d4708
/
source-engine
mirror of https://github.com/nillerusr/source-engine.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
531 Commits
25 Branches
6 Tags
221 MiB
 
 
 
 
 
 
Tree: 490bd8b42d
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '490bd8b42d'
${ noResults }
source-engine/game/server/ai_basenpc.cpp

14135 lines
404 KiB
Raw Blame History

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================//
#include "cbase.h"
#include "ai_basenpc.h"
#include "fmtstr.h"
#include "activitylist.h"
#include "animation.h"
#include "basecombatweapon.h"
#include "soundent.h"
#include "decals.h"
#include "entitylist.h"
#include "eventqueue.h"
#include "entityapi.h"
#include "bitstring.h"
#include "gamerules.h" // For g_pGameRules
#include "scripted.h"
#include "worldsize.h"
#include "game.h"
#include "shot_manipulator.h"
#ifdef HL2_DLL
#include "ai_interactions.h"
#include "hl2_gamerules.h"
#endif // HL2_DLL
#include "ai_network.h"
#include "ai_networkmanager.h"
#include "ai_pathfinder.h"
#include "ai_node.h"
#include "ai_default.h"
#include "ai_schedule.h"
#include "ai_task.h"
#include "ai_hull.h"
#include "ai_moveprobe.h"
#include "ai_hint.h"
#include "ai_navigator.h"
#include "ai_senses.h"
#include "ai_squadslot.h"
#include "ai_memory.h"
#include "ai_squad.h"
#include "ai_localnavigator.h"
#include "ai_tacticalservices.h"
#include "ai_behavior.h"
#include "ai_dynamiclink.h"
#include "AI_Criteria.h"
#include "basegrenade_shared.h"
#include "ammodef.h"
#include "player.h"
#include "sceneentity.h"
#include "ndebugoverlay.h"
#include "mathlib/mathlib.h"
#include "bone_setup.h"
#include "IEffects.h"
#include "vstdlib/random.h"
#include "engine/IEngineSound.h"
#include "tier1/strtools.h"
#include "doors.h"
#include "BasePropDoor.h"
#include "saverestore_utlvector.h"
#include "npcevent.h"
#include "movevars_shared.h"
#include "te_effect_dispatch.h"
#include "globals.h"
#include "saverestore_bitstring.h"
#include "checksum_crc.h"
#include "iservervehicle.h"
#include "filters.h"
#ifdef HL2_DLL
#include "npc_bullseye.h"
#include "hl2_player.h"
#include "weapon_physcannon.h"
#endif
#include "waterbullet.h"
#include "in_buttons.h"
#include "eventlist.h"
#include "globalstate.h"
#include "physics_prop_ragdoll.h"
#include "vphysics/friction.h"
#include "physics_npc_solver.h"
#include "tier0/vcrmode.h"
#include "death_pose.h"
#include "datacache/imdlcache.h"
#include "vstdlib/jobthread.h"
#ifdef HL2_EPISODIC
#include "npc_alyx_episodic.h"
#endif
#ifdef PORTAL
#include "prop_portal_shared.h"
#endif
#include "env_debughistory.h"
#include "collisionutils.h"
extern ConVar sk_healthkit;
// dvs: for opening doors -- these should probably not be here
#include "ai_route.h"
#include "ai_waypoint.h"
#include "utlbuffer.h"
#include "gamestats.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
#ifdef __clang__
// These clang 3.1 warnings don't seem very useful, and cannot easily be
// avoided in this file.
#pragma GCC diagnostic ignored "-Wdangling-else" // warning: add explicit braces to avoid dangling else [-Wdangling-else]
#endif
//#define DEBUG_LOOK
bool RagdollManager_SaveImportant( CAI_BaseNPC *pNPC );
#define MIN_PHYSICS_FLINCH_DAMAGE 5.0f
#define NPC_GRENADE_FEAR_DIST 200
#define MAX_GLASS_PENETRATION_DEPTH 16.0f
#define FINDNAMEDENTITY_MAX_ENTITIES 32 // max number of entities to be considered for random entity selection in FindNamedEntity
extern bool g_fDrawLines;
extern short g_sModelIndexLaser; // holds the index for the laser beam
extern short g_sModelIndexLaserDot; // holds the index for the laser beam dot
// Debugging tools
ConVar ai_no_select_box( "ai_no_select_box", "0" );
ConVar ai_show_think_tolerance( "ai_show_think_tolerance", "0" );
ConVar ai_debug_think_ticks( "ai_debug_think_ticks", "0" );
ConVar ai_debug_doors( "ai_debug_doors", "0" );
ConVar ai_debug_enemies( "ai_debug_enemies", "0" );
ConVar ai_rebalance_thinks( "ai_rebalance_thinks", "1" );
ConVar ai_use_efficiency( "ai_use_efficiency", "1" );
ConVar ai_use_frame_think_limits( "ai_use_frame_think_limits", "1" );
ConVar ai_default_efficient( "ai_default_efficient", ( IsX360() ) ? "1" : "0" );
ConVar ai_efficiency_override( "ai_efficiency_override", "0" );
ConVar ai_debug_efficiency( "ai_debug_efficiency", "0" );
ConVar ai_debug_dyninteractions( "ai_debug_dyninteractions", "0", FCVAR_NONE, "Debug the NPC dynamic interaction system." );
ConVar ai_frametime_limit( "ai_frametime_limit", "50", FCVAR_NONE, "frametime limit for min efficiency AIE_NORMAL (in sec's)." );
ConVar ai_use_think_optimizations( "ai_use_think_optimizations", "1" );
ConVar ai_test_moveprobe_ignoresmall( "ai_test_moveprobe_ignoresmall", "0" );
#ifdef HL2_EPISODIC
extern ConVar ai_vehicle_avoidance;
#endif // HL2_EPISODIC
#ifndef _RETAIL
#define ShouldUseEfficiency() ( ai_use_think_optimizations.GetBool() && ai_use_efficiency.GetBool() )
#define ShouldUseFrameThinkLimits() ( ai_use_think_optimizations.GetBool() && ai_use_frame_think_limits.GetBool() )
#define ShouldRebalanceThinks() ( ai_use_think_optimizations.GetBool() && ai_rebalance_thinks.GetBool() )
#define ShouldDefaultEfficient() ( ai_use_think_optimizations.GetBool() && ai_default_efficient.GetBool() )
#else
#define ShouldUseEfficiency() ( true )
#define ShouldUseFrameThinkLimits() ( true )
#define ShouldRebalanceThinks() ( true )
#define ShouldDefaultEfficient() ( true )
#endif
#ifndef _RETAIL
#define DbgEnemyMsg if ( !ai_debug_enemies.GetBool() ) ; else DevMsg
#else
#define DbgEnemyMsg if ( 0 ) ; else DevMsg
#endif
#ifdef DEBUG_AI_FRAME_THINK_LIMITS
#define DbgFrameLimitMsg DevMsg
#else
#define DbgFrameLimitMsg (void)
#endif
// NPC damage adjusters
ConVar sk_npc_head( "sk_npc_head","2" );
ConVar sk_npc_chest( "sk_npc_chest","1" );
ConVar sk_npc_stomach( "sk_npc_stomach","1" );
ConVar sk_npc_arm( "sk_npc_arm","1" );
ConVar sk_npc_leg( "sk_npc_leg","1" );
ConVar showhitlocation( "showhitlocation", "0" );
// Squad debugging
ConVar ai_debug_squads( "ai_debug_squads", "0" );
ConVar ai_debug_loners( "ai_debug_loners", "0" );
// Shoot trajectory
ConVar ai_lead_time( "ai_lead_time","0.0" );
ConVar ai_shot_stats( "ai_shot_stats", "0" );
ConVar ai_shot_stats_term( "ai_shot_stats_term", "1000" );
ConVar ai_shot_bias( "ai_shot_bias", "1.0" );
ConVar ai_spread_defocused_cone_multiplier( "ai_spread_defocused_cone_multiplier","3.0" );
ConVar ai_spread_cone_focus_time( "ai_spread_cone_focus_time","0.6" );
ConVar ai_spread_pattern_focus_time( "ai_spread_pattern_focus_time","0.8" );
ConVar ai_reaction_delay_idle( "ai_reaction_delay_idle","0.3" );
ConVar ai_reaction_delay_alert( "ai_reaction_delay_alert", "0.1" );
ConVar ai_strong_optimizations( "ai_strong_optimizations", ( IsX360() ) ? "1" : "0" );
bool AIStrongOpt( void )
{
return ai_strong_optimizations.GetBool();
}
//-----------------------------------------------------------------------------
//
// Crude frame timings
//
CFastTimer g_AIRunTimer;
CFastTimer g_AIPostRunTimer;
CFastTimer g_AIMoveTimer;
CFastTimer g_AIConditionsTimer;
CFastTimer g_AIPrescheduleThinkTimer;
CFastTimer g_AIMaintainScheduleTimer;
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
CAI_Manager g_AI_Manager;
//-------------------------------------
CAI_Manager::CAI_Manager()
{
m_AIs.EnsureCapacity( MAX_AIS );
}
//-------------------------------------
CAI_BaseNPC **CAI_Manager::AccessAIs()
{
if (m_AIs.Count())
return &m_AIs[0];
return NULL;
}
//-------------------------------------
int CAI_Manager::NumAIs()
{
return m_AIs.Count();
}
//-------------------------------------
void CAI_Manager::AddAI( CAI_BaseNPC *pAI )
{
m_AIs.AddToTail( pAI );
}
//-------------------------------------
void CAI_Manager::RemoveAI( CAI_BaseNPC *pAI )
{
int i = m_AIs.Find( pAI );
if ( i != -1 )
m_AIs.FastRemove( i );
}
//-----------------------------------------------------------------------------
// ================================================================
// Init static data
// ================================================================
int CAI_BaseNPC::m_nDebugBits = 0;
CAI_BaseNPC* CAI_BaseNPC::m_pDebugNPC = NULL;
int CAI_BaseNPC::m_nDebugPauseIndex = -1;
CAI_ClassScheduleIdSpace CAI_BaseNPC::gm_ClassScheduleIdSpace( true );
CAI_GlobalScheduleNamespace CAI_BaseNPC::gm_SchedulingSymbols;
CAI_LocalIdSpace CAI_BaseNPC::gm_SquadSlotIdSpace( true );
string_t CAI_BaseNPC::gm_iszPlayerSquad;
int CAI_BaseNPC::gm_iNextThinkRebalanceTick;
float CAI_BaseNPC::gm_flTimeLastSpawn;
int CAI_BaseNPC::gm_nSpawnedThisFrame;
CSimpleSimTimer CAI_BaseNPC::m_AnyUpdateEnemyPosTimer;
//
// Deferred Navigation calls go here
//
CPostFrameNavigationHook g_PostFrameNavigationHook;
CPostFrameNavigationHook *PostFrameNavigationSystem( void )
{
return &g_PostFrameNavigationHook;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CPostFrameNavigationHook::Init( void )
{
m_Functors.Purge();
m_bGameFrameRunning = false;
return true;
}
// Main query job
CJob *g_pQueuedNavigationQueryJob = NULL;
static void ProcessNavigationQueries( CFunctor **pData, unsigned int nCount )
{
// Run all queued navigation on a separate thread
for ( int i = 0; i < nCount; i++ )
{
(*pData[i])();
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CPostFrameNavigationHook::FrameUpdatePreEntityThink( void )
{
// If the thread is executing, then wait for it to finish
if ( g_pQueuedNavigationQueryJob )
{
g_pQueuedNavigationQueryJob->WaitForFinishAndRelease();
g_pQueuedNavigationQueryJob = NULL;
m_Functors.Purge();
}
if ( ai_post_frame_navigation.GetBool() == false )
return;
SetGrameFrameRunning( true );
}
//-----------------------------------------------------------------------------
// Purpose: Now that the game frame has collected all the navigation queries, service them
//-----------------------------------------------------------------------------
void CPostFrameNavigationHook::FrameUpdatePostEntityThink( void )
{
if ( ai_post_frame_navigation.GetBool() == false )
return;
// The guts of the NPC will check against this to decide whether or not to queue its navigation calls
SetGrameFrameRunning( false );
// Throw this off to a thread job
g_pQueuedNavigationQueryJob = ThreadExecute( &ProcessNavigationQueries, m_Functors.Base(), m_Functors.Count() );
}
//-----------------------------------------------------------------------------
// Purpose: Queue up our navigation call
//-----------------------------------------------------------------------------
void CPostFrameNavigationHook::EnqueueEntityNavigationQuery( CAI_BaseNPC *pNPC, CFunctor *pFunctor )
{
if ( ai_post_frame_navigation.GetBool() == false )
return;
m_Functors.AddToTail( pFunctor );
pNPC->SetNavigationDeferred( true );
}
//
// Deferred Navigation calls go here
//
// ================================================================
// Class Methods
// ================================================================
//-----------------------------------------------------------------------------
// Purpose: Static debug function to clear schedules for all NPCS
// Input :
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ClearAllSchedules(void)
{
CAI_BaseNPC *npc = gEntList.NextEntByClass( (CAI_BaseNPC *)NULL );
while (npc)
{
npc->ClearSchedule( "CAI_BaseNPC::ClearAllSchedules" );
npc->GetNavigator()->ClearGoal();
npc = gEntList.NextEntByClass(npc);
}
}
// ==============================================================================
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::Event_Gibbed( const CTakeDamageInfo &info )
{
bool gibbed = CorpseGib( info );
if ( gibbed )
{
// don't remove players!
UTIL_Remove( this );
SetThink( NULL ); //We're going away, so don't think anymore.
}
else
{
CorpseFade();
}
return gibbed;
}
//=========================================================
// GetFlinchActivity - determines the best type of flinch
// anim to play.
//=========================================================
Activity CAI_BaseNPC::GetFlinchActivity( bool bHeavyDamage, bool bGesture )
{
Activity flinchActivity;
switch ( LastHitGroup() )
{
// pick a region-specific flinch
case HITGROUP_HEAD:
flinchActivity = bGesture ? ACT_GESTURE_FLINCH_HEAD : ACT_FLINCH_HEAD;
break;
case HITGROUP_STOMACH:
flinchActivity = bGesture ? ACT_GESTURE_FLINCH_STOMACH : ACT_FLINCH_STOMACH;
break;
case HITGROUP_LEFTARM:
flinchActivity = bGesture ? ACT_GESTURE_FLINCH_LEFTARM : ACT_FLINCH_LEFTARM;
break;
case HITGROUP_RIGHTARM:
flinchActivity = bGesture ? ACT_GESTURE_FLINCH_RIGHTARM : ACT_FLINCH_RIGHTARM;
break;
case HITGROUP_LEFTLEG:
flinchActivity = bGesture ? ACT_GESTURE_FLINCH_LEFTLEG : ACT_FLINCH_LEFTLEG;
break;
case HITGROUP_RIGHTLEG:
flinchActivity = bGesture ? ACT_GESTURE_FLINCH_RIGHTLEG : ACT_FLINCH_RIGHTLEG;
break;
case HITGROUP_CHEST:
flinchActivity = bGesture ? ACT_GESTURE_FLINCH_CHEST : ACT_FLINCH_CHEST;
break;
case HITGROUP_GEAR:
case HITGROUP_GENERIC:
default:
// just get a generic flinch.
if ( bHeavyDamage )
{
flinchActivity = bGesture ? ACT_GESTURE_BIG_FLINCH : ACT_BIG_FLINCH;
}
else
{
flinchActivity = bGesture ? ACT_GESTURE_SMALL_FLINCH : ACT_SMALL_FLINCH;
}
break;
}
// do we have a sequence for the ideal activity?
if ( SelectWeightedSequence ( flinchActivity ) == ACTIVITY_NOT_AVAILABLE )
{
if ( bHeavyDamage )
{
flinchActivity = bGesture ? ACT_GESTURE_BIG_FLINCH : ACT_BIG_FLINCH;
// If we fail at finding a big flinch, resort to a small one
if ( SelectWeightedSequence ( flinchActivity ) == ACTIVITY_NOT_AVAILABLE )
{
flinchActivity = bGesture ? ACT_GESTURE_SMALL_FLINCH : ACT_SMALL_FLINCH;
}
}
else
{
flinchActivity = bGesture ? ACT_GESTURE_SMALL_FLINCH : ACT_SMALL_FLINCH;
}
}
return flinchActivity;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CleanupOnDeath( CBaseEntity *pCulprit, bool bFireDeathOutput )
{
if ( !m_bDidDeathCleanup )
{
m_bDidDeathCleanup = true;
if ( m_NPCState == NPC_STATE_SCRIPT && m_hCine )
{
// bail out of this script here
m_hCine->CancelScript();
// now keep going with the death code
}
if ( GetHintNode() )
{
GetHintNode()->Unlock();
SetHintNode( NULL );
}
if( bFireDeathOutput )
{
m_OnDeath.FireOutput( pCulprit, this );
}
// Vacate any strategy slot I might have
VacateStrategySlot();
// Remove from squad if in one
if (m_pSquad)
{
// If I'm in idle it means that I didn't see who killed me
// and my squad is still in idle state. Tell squad we have
// an enemy to wake them up and put the enemy position at
// my death position
if ( m_NPCState == NPC_STATE_IDLE && pCulprit)
{
// If we already have some danger memory, don't do this cheat
if ( GetEnemies()->GetDangerMemory() == NULL )
{
UpdateEnemyMemory( pCulprit, GetAbsOrigin() );
}
}
// Remove from squad
m_pSquad->RemoveFromSquad(this, true);
m_pSquad = NULL;
}
RemoveActorFromScriptedScenes( this, false /*all scenes*/ );
}
else
DevMsg( "Unexpected double-death-cleanup\n" );
}
void CAI_BaseNPC::SelectDeathPose( const CTakeDamageInfo &info )
{
if ( !GetModelPtr() || (info.GetDamageType() & DMG_PREVENT_PHYSICS_FORCE) )
return;
if ( ShouldPickADeathPose() == false )
return;
Activity aActivity = ACT_INVALID;
int iDeathFrame = 0;
SelectDeathPoseActivityAndFrame( this, info, LastHitGroup(), aActivity, iDeathFrame );
if ( aActivity == ACT_INVALID )
{
SetDeathPose( ACT_INVALID );
SetDeathPoseFrame( 0 );
return;
}
SetDeathPose( SelectWeightedSequence( aActivity ) );
SetDeathPoseFrame( iDeathFrame );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::Event_Killed( const CTakeDamageInfo &info )
{
if (IsCurSchedule(SCHED_NPC_FREEZE))
{
// We're frozen; don't die.
return;
}
Wake( false );
//Adrian: Select a death pose to extrapolate the ragdoll's velocity.
SelectDeathPose( info );
m_lifeState = LIFE_DYING;
CleanupOnDeath( info.GetAttacker() );
StopLoopingSounds();
DeathSound( info );
if ( ( GetFlags() & FL_NPC ) && ( ShouldGib( info ) == false ) )
{
SetTouch( NULL );
}
BaseClass::Event_Killed( info );
if ( m_bFadeCorpse )
{
m_bImportanRagdoll = RagdollManager_SaveImportant( this );
}
// Make sure this condition is fired too (OnTakeDamage breaks out before this happens on death)
SetCondition( COND_LIGHT_DAMAGE );
SetIdealState( NPC_STATE_DEAD );
// Some characters rely on getting a state transition, even to death.
// zombies, for instance. When a character becomes a ragdoll, their
// server entity ceases to think, so we have to set the dead state here
// because the AI code isn't going to pick up the change on the next think
// for us.
// Adrian - Only set this if we are going to become a ragdoll. We still want to
// select SCHED_DIE or do something special when this NPC dies and we wont
// catch the change of state if we set this to whatever the ideal state is.
if ( CanBecomeRagdoll() || IsRagdoll() )
SetState( NPC_STATE_DEAD );
// If the remove-no-ragdoll flag is set in the damage type, we're being
// told to remove ourselves immediately on death. This is used when something
// else has some special reason for us to vanish instead of creating a ragdoll.
// i.e. The barnacle does this because it's already got a ragdoll for us.
if ( info.GetDamageType() & DMG_REMOVENORAGDOLL )
{
if ( !IsEFlagSet( EFL_IS_BEING_LIFTED_BY_BARNACLE ) )
{
// Go away
RemoveDeferred();
}
}
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::Ignite( float flFlameLifetime, bool bNPCOnly, float flSize, bool bCalledByLevelDesigner )
{
BaseClass::Ignite( flFlameLifetime, bNPCOnly, flSize, bCalledByLevelDesigner );
#ifdef HL2_EPISODIC
CBasePlayer *pPlayer = AI_GetSinglePlayer();
if ( pPlayer->IRelationType( this ) != D_LI )
{
CNPC_Alyx *alyx = CNPC_Alyx::GetAlyx();
if ( alyx )
{
alyx->EnemyIgnited( this );
}
}
#endif
}
//-----------------------------------------------------------------------------
ConVar ai_block_damage( "ai_block_damage","0" );
bool CAI_BaseNPC::PassesDamageFilter( const CTakeDamageInfo &info )
{
if ( ai_block_damage.GetBool() )
return false;
// FIXME: hook a friendly damage filter to the npc instead?
if ( (CapabilitiesGet() & bits_CAP_FRIENDLY_DMG_IMMUNE) && info.GetAttacker() && info.GetAttacker() != this )
{
// check attackers relationship with me
CBaseCombatCharacter *npcEnemy = info.GetAttacker()->MyCombatCharacterPointer();
bool bHitByVehicle = false;
if ( !npcEnemy )
{
if ( info.GetAttacker()->GetServerVehicle() )
{
bHitByVehicle = true;
}
}
if ( bHitByVehicle || (npcEnemy && npcEnemy->IRelationType( this ) == D_LI) )
{
m_fNoDamageDecal = true;
if ( npcEnemy && npcEnemy->IsPlayer() )
{
m_OnDamagedByPlayer.FireOutput( info.GetAttacker(), this );
// This also counts as being harmed by player's squad.
m_OnDamagedByPlayerSquad.FireOutput( info.GetAttacker(), this );
}
return false;
}
}
if ( !BaseClass::PassesDamageFilter( info ) )
{
m_fNoDamageDecal = true;
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
int CAI_BaseNPC::OnTakeDamage_Alive( const CTakeDamageInfo &info )
{
Forget( bits_MEMORY_INCOVER );
if ( !BaseClass::OnTakeDamage_Alive( info ) )
return 0;
if ( GetSleepState() == AISS_WAITING_FOR_THREAT )
Wake();
// NOTE: This must happen after the base class is called; we need to reduce
// health before the pain sound, since some NPCs use the final health
// level as a modifier to determine which pain sound to use.
// REVISIT: Combine soldiers shoot each other a lot and then talk about it
// this improves that case a bunch, but it seems kind of harsh.
if ( !m_pSquad || !m_pSquad->SquadIsMember( info.GetAttacker() ) )
{
PainSound( info );// "Ouch!"
}
// See if we're running a dynamic interaction that should break when I am damaged.
if ( IsActiveDynamicInteraction() )
{
ScriptedNPCInteraction_t *pInteraction = GetRunningDynamicInteraction();
if ( pInteraction->iLoopBreakTriggerMethod & SNPCINT_LOOPBREAK_ON_DAMAGE )
{
// Can only break when we're in the action anim
if ( m_hCine->IsPlayingAction() )
{
m_hCine->StopActionLoop( true );
}
}
}
// If we're not allowed to die, refuse to die
// Allow my interaction partner to kill me though
if ( m_iHealth <= 0 && HasInteractionCantDie() && info.GetAttacker() != m_hInteractionPartner )
{
m_iHealth = 1;
}
#if 0
// HACKHACK Don't kill npcs in a script. Let them break their scripts first
// THIS is a Half-Life 1 hack that's not cutting the mustard in the scripts
// that have been authored for Half-Life 2 thus far. (sjb)
if ( m_NPCState == NPC_STATE_SCRIPT )
{
SetCondition( COND_LIGHT_DAMAGE );
}
#endif
// -----------------------------------
// Fire outputs
// -----------------------------------
if ( m_flLastDamageTime != gpGlobals->curtime )
{
// only fire once per frame
m_OnDamaged.FireOutput( info.GetAttacker(), this);
if( info.GetAttacker()->IsPlayer() )
{
m_OnDamagedByPlayer.FireOutput( info.GetAttacker(), this );
// This also counts as being harmed by player's squad.
m_OnDamagedByPlayerSquad.FireOutput( info.GetAttacker(), this );
}
else
{
// See if the person that injured me is an NPC.
CAI_BaseNPC *pAttacker = dynamic_cast<CAI_BaseNPC *>( info.GetAttacker() );
CBasePlayer *pPlayer = AI_GetSinglePlayer();
if( pAttacker && pAttacker->IsAlive() && pPlayer )
{
if( pAttacker->GetSquad() != NULL && pAttacker->IsInPlayerSquad() )
{
m_OnDamagedByPlayerSquad.FireOutput( info.GetAttacker(), this );
}
}
}
}
if( (info.GetDamageType() & DMG_CRUSH) && !(info.GetDamageType() & DMG_PHYSGUN) && info.GetDamage() >= MIN_PHYSICS_FLINCH_DAMAGE )
{
SetCondition( COND_PHYSICS_DAMAGE );
}
if ( m_iHealth <= ( m_iMaxHealth / 2 ) )
{
m_OnHalfHealth.FireOutput( info.GetAttacker(), this );
}
// react to the damage (get mad)
if ( ( (GetFlags() & FL_NPC) == 0 ) || !info.GetAttacker() )
return 1;
// If the attacker was an NPC or client update my position memory
if ( info.GetAttacker()->GetFlags() & (FL_NPC | FL_CLIENT) )
{
// ------------------------------------------------------------------
// DO NOT CHANGE THIS CODE W/O CONSULTING
// Only update information about my attacker I don't see my attacker
// ------------------------------------------------------------------
if ( !FInViewCone( info.GetAttacker() ) || !FVisible( info.GetAttacker() ) )
{
// -------------------------------------------------------------
// If I have an inflictor (enemy / grenade) update memory with
// position of inflictor, otherwise update with an position
// estimate for where the attack came from
// ------------------------------------------------------
Vector vAttackPos;
if (info.GetInflictor())
{
vAttackPos = info.GetInflictor()->GetAbsOrigin();
}
else
{
vAttackPos = (GetAbsOrigin() + ( g_vecAttackDir * 64 ));
}
// ----------------------------------------------------------------
// If I already have an enemy, assume that the attack
// came from the enemy and update my enemy's position
// unless I already know about the attacker or I can see my enemy
// ----------------------------------------------------------------
if ( GetEnemy() != NULL &&
!GetEnemies()->HasMemory( info.GetAttacker() ) &&
!HasCondition(COND_SEE_ENEMY) )
{
UpdateEnemyMemory(GetEnemy(), vAttackPos, GetEnemy());
}
// ----------------------------------------------------------------
// If I already know about this enemy, update his position
// ----------------------------------------------------------------
else if (GetEnemies()->HasMemory( info.GetAttacker() ))
{
UpdateEnemyMemory(info.GetAttacker(), vAttackPos);
}
// -----------------------------------------------------------------
// Otherwise just note the position, but don't add enemy to my list
// -----------------------------------------------------------------
else
{
UpdateEnemyMemory(NULL, vAttackPos);
}
}
// add pain to the conditions
if ( IsLightDamage( info ) )
{
SetCondition( COND_LIGHT_DAMAGE );
}
if ( IsHeavyDamage( info ) )
{
SetCondition( COND_HEAVY_DAMAGE );
}
ForceGatherConditions();
// Keep track of how much consecutive damage I have recieved
if ((gpGlobals->curtime - m_flLastDamageTime) < 1.0)
{
m_flSumDamage += info.GetDamage();
}
else
{
m_flSumDamage = info.GetDamage();
}
m_flLastDamageTime = gpGlobals->curtime;
if ( info.GetAttacker() && info.GetAttacker()->IsPlayer() )
m_flLastPlayerDamageTime = gpGlobals->curtime;
GetEnemies()->OnTookDamageFrom( info.GetAttacker() );
if (m_flSumDamage > m_iMaxHealth*0.3)
{
SetCondition(COND_REPEATED_DAMAGE);
}
NotifyFriendsOfDamage( info.GetAttacker() );
}
// ---------------------------------------------------------------
// Insert a combat sound so that nearby NPCs know I've been hit
// ---------------------------------------------------------------
CSoundEnt::InsertSound( SOUND_COMBAT, GetAbsOrigin(), 1024, 0.5, this, SOUNDENT_CHANNEL_INJURY );
return 1;
}
//=========================================================
// OnTakeDamage_Dying - takedamage function called when a npc's
// corpse is damaged.
//=========================================================
int CAI_BaseNPC::OnTakeDamage_Dying( const CTakeDamageInfo &info )
{
if ( info.GetDamageType() & DMG_PLASMA )
{
if ( m_takedamage != DAMAGE_EVENTS_ONLY )
{
m_iHealth -= info.GetDamage();
if (m_iHealth < -500)
{
UTIL_Remove(this);
}
}
}
return BaseClass::OnTakeDamage_Dying( info );
}
//=========================================================
// OnTakeDamage_Dead - takedamage function called when a npc's
// corpse is damaged.
//=========================================================
int CAI_BaseNPC::OnTakeDamage_Dead( const CTakeDamageInfo &info )
{
Vector vecDir;
// grab the vector of the incoming attack. ( pretend that the inflictor is a little lower than it really is, so the body will tend to fly upward a bit).
vecDir = vec3_origin;
if ( info.GetInflictor() )
{
vecDir = info.GetInflictor()->WorldSpaceCenter() - Vector ( 0, 0, 10 ) - WorldSpaceCenter();
VectorNormalize( vecDir );
g_vecAttackDir = vecDir;
}
#if 0// turn this back on when the bounding box issues are resolved.
SetGroundEntity( NULL );
GetLocalOrigin().z += 1;
// let the damage scoot the corpse around a bit.
if ( info.GetInflictor() && (info.GetAttacker()->GetSolid() != SOLID_TRIGGER) )
{
ApplyAbsVelocityImpulse( vecDir * -DamageForce( flDamage ) );
}
#endif
// kill the corpse if enough damage was done to destroy the corpse and the damage is of a type that is allowed to destroy the corpse.
if ( g_pGameRules->Damage_ShouldGibCorpse( info.GetDamageType() ) )
{
// Accumulate corpse gibbing damage, so you can gib with multiple hits
if ( m_takedamage != DAMAGE_EVENTS_ONLY )
{
m_iHealth -= info.GetDamage() * 0.1;
}
}
if ( info.GetDamageType() & DMG_PLASMA )
{
if ( m_takedamage != DAMAGE_EVENTS_ONLY )
{
m_iHealth -= info.GetDamage();
if (m_iHealth < -500)
{
UTIL_Remove(this);
}
}
}
return 1;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CAI_BaseNPC::NotifyFriendsOfDamage( CBaseEntity *pAttackerEntity )
{
CAI_BaseNPC *pAttacker = pAttackerEntity->MyNPCPointer();
if ( pAttacker )
{
const Vector &origin = GetAbsOrigin();
for ( int i = 0; i < g_AI_Manager.NumAIs(); i++ )
{
const float NEAR_Z = 10*12;
const float NEAR_XY_SQ = Square( 50*12 );
CAI_BaseNPC *pNpc = g_AI_Manager.AccessAIs()[i];
if ( pNpc && pNpc != this )
{
const Vector &originNpc = pNpc->GetAbsOrigin();
if ( fabsf( originNpc.z - origin.z ) < NEAR_Z )
{
if ( (originNpc.AsVector2D() - origin.AsVector2D()).LengthSqr() < NEAR_XY_SQ )
{
if ( pNpc->GetSquad() == GetSquad() || IRelationType( pNpc ) == D_LI )
pNpc->OnFriendDamaged( this, pAttacker );
}
}
}
}
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OnFriendDamaged( CBaseCombatCharacter *pSquadmate, CBaseEntity *pAttacker )
{
if ( GetSleepState() != AISS_WAITING_FOR_INPUT )
{
float distSqToThreat = ( GetAbsOrigin() - pAttacker->GetAbsOrigin() ).LengthSqr();
if ( GetSleepState() != AISS_AWAKE && distSqToThreat < Square( 20 * 12 ) )
Wake();
if ( distSqToThreat < Square( 50 * 12 ) )
ForceGatherConditions();
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsLightDamage( const CTakeDamageInfo &info )
{
// ALL nonzero damage is light damage! Mask off COND_LIGHT_DAMAGE if you want to ignore light damage.
return ( info.GetDamage() > 0 );
}
bool CAI_BaseNPC::IsHeavyDamage( const CTakeDamageInfo &info )
{
return ( info.GetDamage() > 20 );
}
void CAI_BaseNPC::DoRadiusDamage( const CTakeDamageInfo &info, int iClassIgnore, CBaseEntity *pEntityIgnore )
{
RadiusDamage( info, GetAbsOrigin(), info.GetDamage() * 2.5, iClassIgnore, pEntityIgnore );
}
void CAI_BaseNPC::DoRadiusDamage( const CTakeDamageInfo &info, const Vector &vecSrc, int iClassIgnore, CBaseEntity *pEntityIgnore )
{
RadiusDamage( info, vecSrc, info.GetDamage() * 2.5, iClassIgnore, pEntityIgnore );
}
//-----------------------------------------------------------------------------
// Set the contents types that are solid by default to all NPCs
//-----------------------------------------------------------------------------
unsigned int CAI_BaseNPC::PhysicsSolidMaskForEntity( void ) const
{
return MASK_NPCSOLID;
}
//=========================================================
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::DecalTrace( trace_t *pTrace, char const *decalName )
{
if ( m_fNoDamageDecal )
{
m_fNoDamageDecal = false;
// @Note (toml 04-23-03): e3, don't decal face on damage if still alive
return;
}
BaseClass::DecalTrace( pTrace, decalName );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ImpactTrace( trace_t *pTrace, int iDamageType, const char *pCustomImpactName )
{
if ( m_fNoDamageDecal )
{
m_fNoDamageDecal = false;
// @Note (toml 04-23-03): e3, don't decal face on damage if still alive
return;
}
BaseClass::ImpactTrace( pTrace, iDamageType, pCustomImpactName );
}
//---------------------------------------------------------
// Return the number by which to multiply incoming damage
// based on the hitgroup it hits. This exists mainly so
// that individual NPC's can have more or less resistance
// to damage done to certain hitgroups.
//---------------------------------------------------------
float CAI_BaseNPC::GetHitgroupDamageMultiplier( int iHitGroup, const CTakeDamageInfo &info )
{
switch( iHitGroup )
{
case HITGROUP_GENERIC:
return 1.0f;
case HITGROUP_HEAD:
return sk_npc_head.GetFloat();
case HITGROUP_CHEST:
return sk_npc_chest.GetFloat();
case HITGROUP_STOMACH:
return sk_npc_stomach.GetFloat();
case HITGROUP_LEFTARM:
case HITGROUP_RIGHTARM:
return sk_npc_arm.GetFloat();
case HITGROUP_LEFTLEG:
case HITGROUP_RIGHTLEG:
return sk_npc_leg.GetFloat();
default:
return 1.0f;
}
}
//=========================================================
// TraceAttack
//=========================================================
void CAI_BaseNPC::TraceAttack( const CTakeDamageInfo &info, const Vector &vecDir, trace_t *ptr, CDmgAccumulator *pAccumulator )
{
m_fNoDamageDecal = false;
if ( m_takedamage == DAMAGE_NO )
return;
CTakeDamageInfo subInfo = info;
SetLastHitGroup( ptr->hitgroup );
m_nForceBone = ptr->physicsbone; // save this bone for physics forces
Assert( m_nForceBone > -255 && m_nForceBone < 256 );
bool bDebug = showhitlocation.GetBool();
switch ( ptr->hitgroup )
{
case HITGROUP_GENERIC:
if( bDebug ) DevMsg("Hit Location: Generic\n");
break;
// hit gear, react but don't bleed
case HITGROUP_GEAR:
subInfo.SetDamage( 0.01 );
ptr->hitgroup = HITGROUP_GENERIC;
if( bDebug ) DevMsg("Hit Location: Gear\n");
break;
case HITGROUP_HEAD:
subInfo.ScaleDamage( GetHitgroupDamageMultiplier(ptr->hitgroup, info) );
if( bDebug ) DevMsg("Hit Location: Head\n");
break;
case HITGROUP_CHEST:
subInfo.ScaleDamage( GetHitgroupDamageMultiplier(ptr->hitgroup, info) );
if( bDebug ) DevMsg("Hit Location: Chest\n");
break;
case HITGROUP_STOMACH:
subInfo.ScaleDamage( GetHitgroupDamageMultiplier(ptr->hitgroup, info) );
if( bDebug ) DevMsg("Hit Location: Stomach\n");
break;
case HITGROUP_LEFTARM:
case HITGROUP_RIGHTARM:
subInfo.ScaleDamage( GetHitgroupDamageMultiplier(ptr->hitgroup, info) );
if( bDebug ) DevMsg("Hit Location: Left/Right Arm\n");
break
;
case HITGROUP_LEFTLEG:
case HITGROUP_RIGHTLEG:
subInfo.ScaleDamage( GetHitgroupDamageMultiplier(ptr->hitgroup, info) );
if( bDebug ) DevMsg("Hit Location: Left/Right Leg\n");
break;
default:
if( bDebug ) DevMsg("Hit Location: UNKNOWN\n");
break;
}
if ( subInfo.GetDamage() >= 1.0 && !(subInfo.GetDamageType() & DMG_SHOCK ) )
{
if( !IsPlayer() || ( IsPlayer() && g_pGameRules->IsMultiplayer() ) )
{
// NPC's always bleed. Players only bleed in multiplayer.
SpawnBlood( ptr->endpos, vecDir, BloodColor(), subInfo.GetDamage() );// a little surface blood.
}
TraceBleed( subInfo.GetDamage(), vecDir, ptr, subInfo.GetDamageType() );
if ( ptr->hitgroup == HITGROUP_HEAD && m_iHealth - subInfo.GetDamage() > 0 )
{
m_fNoDamageDecal = true;
}
}
// Airboat gun will impart major force if it's about to kill him....
if ( info.GetDamageType() & DMG_AIRBOAT )
{
if ( subInfo.GetDamage() >= GetHealth() )
{
float flMagnitude = subInfo.GetDamageForce().Length();
if ( (flMagnitude != 0.0f) && (flMagnitude < 400.0f * 65.0f) )
{
subInfo.ScaleDamageForce( 400.0f * 65.0f / flMagnitude );
}
}
}
if( info.GetInflictor() )
{
subInfo.SetInflictor( info.GetInflictor() );
}
else
{
subInfo.SetInflictor( info.GetAttacker() );
}
AddMultiDamage( subInfo, this );
}
//-----------------------------------------------------------------------------
// Purpose: Checks if point is in spread angle between source and target Pos
// Used to prevent friendly fire
// Input : Source of attack, target position, spread angle
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::PointInSpread( CBaseCombatCharacter *pCheckEntity, const Vector &sourcePos, const Vector &targetPos, const Vector &testPoint, float flSpread, float maxDistOffCenter )
{
float distOffLine = CalcDistanceToLine2D( testPoint.AsVector2D(), sourcePos.AsVector2D(), targetPos.AsVector2D() );
if ( distOffLine < maxDistOffCenter )
{
Vector toTarget = targetPos - sourcePos;
float distTarget = VectorNormalize(toTarget);
Vector toTest = testPoint - sourcePos;
float distTest = VectorNormalize(toTest);
// Only reject if target is on other side
if (distTarget > distTest)
{
toTarget.z = 0.0;
toTest.z = 0.0;
float dotProduct = DotProduct(toTarget,toTest);
if (dotProduct > flSpread)
{
return true;
}
else if( dotProduct > 0.0f )
{
// If this guy is in front, do the hull/line test:
if( pCheckEntity )
{
float flBBoxDist = NAI_Hull::Width( pCheckEntity->GetHullType() );
flBBoxDist *= 1.414f; // sqrt(2)
// !!!BUGBUG - this 2d check will stop a citizen shooting at a gunship or strider
// if another citizen is between them, even though the strider or gunship may be
// high up in the air (sjb)
distOffLine = CalcDistanceToLine( testPoint, sourcePos, targetPos );
if( distOffLine < flBBoxDist )
{
return true;
}
}
}
}
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Checks if player is in spread angle between source and target Pos
// Used to prevent friendly fire
// Input : Source of attack, target position, spread angle
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::PlayerInSpread( const Vector &sourcePos, const Vector &targetPos, float flSpread, float maxDistOffCenter, bool ignoreHatedPlayers )
{
// loop through all players
for (int i = 1; i <= gpGlobals->maxClients; i++ )
{
CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
if ( pPlayer && ( !ignoreHatedPlayers || IRelationType( pPlayer ) != D_HT ) )
{
if ( PointInSpread( pPlayer, sourcePos, targetPos, pPlayer->WorldSpaceCenter(), flSpread, maxDistOffCenter ) )
return true;
}
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Checks if player is in range of given location. Used by NPCs
// to prevent friendly fire
// Input :
// Output :
//-----------------------------------------------------------------------------
CBaseEntity *CAI_BaseNPC::PlayerInRange( const Vector &vecLocation, float flDist )
{
// loop through all players
for (int i = 1; i <= gpGlobals->maxClients; i++ )
{
CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
if (pPlayer && (vecLocation - pPlayer->WorldSpaceCenter() ).Length2D() <= flDist)
{
return pPlayer;
}
}
return NULL;
}
#define BULLET_WIZZDIST 80.0
#define SLOPE ( -1.0 / BULLET_WIZZDIST )
void BulletWizz( Vector vecSrc, Vector vecEndPos, edict_t *pShooter, bool isTracer )
{
CBasePlayer *pPlayer;
Vector vecBulletPath;
Vector vecPlayerPath;
Vector vecBulletDir;
Vector vecNearestPoint;
float flDist;
float flBulletDist;
vecBulletPath = vecEndPos - vecSrc;
vecBulletDir = vecBulletPath;
VectorNormalize(vecBulletDir);
// see how near this bullet passed by player in a single player game
// for multiplayer, we need to go through the list of clients.
for (int i = 1; i <= gpGlobals->maxClients; i++ )
{
pPlayer = UTIL_PlayerByIndex( i );
if ( !pPlayer )
continue;
// Don't hear one's own bullets
if( pPlayer->edict() == pShooter )
continue;
vecPlayerPath = pPlayer->EarPosition() - vecSrc;
flDist = DotProduct( vecPlayerPath, vecBulletDir );
vecNearestPoint = vecSrc + vecBulletDir * flDist;
// FIXME: minus m_vecViewOffset?
flBulletDist = ( vecNearestPoint - pPlayer->EarPosition() ).Length();
}
}
//-----------------------------------------------------------------------------
// Hits triggers with raycasts
//-----------------------------------------------------------------------------
class CTriggerTraceEnum : public IEntityEnumerator
{
public:
CTriggerTraceEnum( Ray_t *pRay, const CTakeDamageInfo &info, const Vector& dir, int contentsMask ) :
m_info( info ), m_VecDir(dir), m_ContentsMask(contentsMask), m_pRay(pRay)
{
}
virtual bool EnumEntity( IHandleEntity *pHandleEntity )
{
trace_t tr;
CBaseEntity *pEnt = gEntList.GetBaseEntity( pHandleEntity->GetRefEHandle() );
// Done to avoid hitting an entity that's both solid & a trigger.
if ( pEnt->IsSolid() )
return true;
enginetrace->ClipRayToEntity( *m_pRay, m_ContentsMask, pHandleEntity, &tr );
if (tr.fraction < 1.0f)
{
pEnt->DispatchTraceAttack( m_info, m_VecDir, &tr );
ApplyMultiDamage();
}
return true;
}
private:
Vector m_VecDir;
int m_ContentsMask;
Ray_t *m_pRay;
CTakeDamageInfo m_info;
};
void CBaseEntity::TraceAttackToTriggers( const CTakeDamageInfo &info, const Vector& start, const Vector& end, const Vector& dir )
{
Ray_t ray;
ray.Init( start, end );
CTriggerTraceEnum triggerTraceEnum( &ray, info, dir, MASK_SHOT );
enginetrace->EnumerateEntities( ray, true, &triggerTraceEnum );
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : const char
//-----------------------------------------------------------------------------
const char *CAI_BaseNPC::GetTracerType( void )
{
if ( GetActiveWeapon() )
{
return GetActiveWeapon()->GetTracerType();
}
return BaseClass::GetTracerType();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &vecTracerSrc -
// &tr -
// iTracerType -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::MakeTracer( const Vector &vecTracerSrc, const trace_t &tr, int iTracerType )
{
if ( GetActiveWeapon() )
{
GetActiveWeapon()->MakeTracer( vecTracerSrc, tr, iTracerType );
return;
}
BaseClass::MakeTracer( vecTracerSrc, tr, iTracerType );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::FireBullets( const FireBulletsInfo_t &info )
{
#ifdef HL2_DLL
// If we're shooting at a bullseye, become perfectly accurate if the bullseye demands it
if ( GetEnemy() && GetEnemy()->Classify() == CLASS_BULLSEYE )
{
CNPC_Bullseye *pBullseye = dynamic_cast<CNPC_Bullseye*>(GetEnemy());
if ( pBullseye && pBullseye->UsePerfectAccuracy() )
{
FireBulletsInfo_t accurateInfo = info;
accurateInfo.m_vecSpread = vec3_origin;
BaseClass::FireBullets( accurateInfo );
return;
}
}
#endif
BaseClass::FireBullets( info );
}
//-----------------------------------------------------------------------------
// Shot statistics
//-----------------------------------------------------------------------------
void CBaseEntity::UpdateShotStatistics( const trace_t &tr )
{
if ( ai_shot_stats.GetBool() )
{
CAI_BaseNPC *pNpc = MyNPCPointer();
if ( pNpc )
{
pNpc->m_TotalShots++;
if ( tr.m_pEnt == pNpc->GetEnemy() )
{
pNpc->m_TotalHits++;
}
}
}
}
//-----------------------------------------------------------------------------
// Handle shot entering water
//-----------------------------------------------------------------------------
void CBaseEntity::HandleShotImpactingGlass( const FireBulletsInfo_t &info,
const trace_t &tr, const Vector &vecDir, ITraceFilter *pTraceFilter )
{
// Move through the glass until we're at the other side
Vector testPos = tr.endpos + ( vecDir * MAX_GLASS_PENETRATION_DEPTH );
CEffectData data;
data.m_vNormal = tr.plane.normal;
data.m_vOrigin = tr.endpos;
DispatchEffect( "GlassImpact", data );
trace_t penetrationTrace;
// Re-trace as if the bullet had passed right through
UTIL_TraceLine( testPos, tr.endpos, MASK_SHOT, pTraceFilter, &penetrationTrace );
// See if we found the surface again
if ( penetrationTrace.startsolid || tr.fraction == 0.0f || penetrationTrace.fraction == 1.0f )
return;
//FIXME: This is technically frustrating MultiDamage, but multiple shots hitting multiple targets in one call
// would do exactly the same anyway...
// Impact the other side (will look like an exit effect)
DoImpactEffect( penetrationTrace, GetAmmoDef()->DamageType(info.m_iAmmoType) );
data.m_vNormal = penetrationTrace.plane.normal;
data.m_vOrigin = penetrationTrace.endpos;
DispatchEffect( "GlassImpact", data );
// Refire the round, as if starting from behind the glass
FireBulletsInfo_t behindGlassInfo;
behindGlassInfo.m_iShots = 1;
behindGlassInfo.m_vecSrc = penetrationTrace.endpos;
behindGlassInfo.m_vecDirShooting = vecDir;
behindGlassInfo.m_vecSpread = vec3_origin;
behindGlassInfo.m_flDistance = info.m_flDistance*( 1.0f - tr.fraction );
behindGlassInfo.m_iAmmoType = info.m_iAmmoType;
behindGlassInfo.m_iTracerFreq = info.m_iTracerFreq;
behindGlassInfo.m_flDamage = info.m_flDamage;
behindGlassInfo.m_pAttacker = info.m_pAttacker ? info.m_pAttacker : this;
behindGlassInfo.m_nFlags = info.m_nFlags;
FireBullets( behindGlassInfo );
}
//-----------------------------------------------------------------------------
// Computes the tracer start position
//-----------------------------------------------------------------------------
#define SHOT_UNDERWATER_BUBBLE_DIST 400
void CBaseEntity::CreateBubbleTrailTracer( const Vector &vecShotSrc, const Vector &vecShotEnd, const Vector &vecShotDir )
{
int nBubbles;
Vector vecBubbleEnd;
float flLengthSqr = vecShotSrc.DistToSqr( vecShotEnd );
if ( flLengthSqr > SHOT_UNDERWATER_BUBBLE_DIST * SHOT_UNDERWATER_BUBBLE_DIST )
{
VectorMA( vecShotSrc, SHOT_UNDERWATER_BUBBLE_DIST, vecShotDir, vecBubbleEnd );
nBubbles = WATER_BULLET_BUBBLES_PER_INCH * SHOT_UNDERWATER_BUBBLE_DIST;
}
else
{
float flLength = sqrt(flLengthSqr) - 0.1f;
nBubbles = WATER_BULLET_BUBBLES_PER_INCH * flLength;
VectorMA( vecShotSrc, flLength, vecShotDir, vecBubbleEnd );
}
Vector vecTracerSrc;
ComputeTracerStartPosition( vecShotSrc, &vecTracerSrc );
UTIL_BubbleTrail( vecTracerSrc, vecBubbleEnd, nBubbles );
}
//=========================================================
//=========================================================
void CAI_BaseNPC::MakeDamageBloodDecal ( int cCount, float flNoise, trace_t *ptr, Vector vecDir )
{
// make blood decal on the wall!
trace_t Bloodtr;
Vector vecTraceDir;
int i;
if ( !IsAlive() )
{
// dealing with a dead npc.
if ( m_iMaxHealth <= 0 )
{
// no blood decal for a npc that has already decalled its limit.
return;
}
else
{
m_iMaxHealth -= 1;
}
}
for ( i = 0 ; i < cCount ; i++ )
{
vecTraceDir = vecDir;
vecTraceDir.x += random->RandomFloat( -flNoise, flNoise );
vecTraceDir.y += random->RandomFloat( -flNoise, flNoise );
vecTraceDir.z += random->RandomFloat( -flNoise, flNoise );
AI_TraceLine( ptr->endpos, ptr->endpos + vecTraceDir * 172, MASK_SOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &Bloodtr);
if ( Bloodtr.fraction != 1.0 )
{
UTIL_BloodDecalTrace( &Bloodtr, BloodColor() );
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &tr -
// nDamageType -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::DoImpactEffect( trace_t &tr, int nDamageType )
{
if ( GetActiveWeapon() != NULL )
{
GetActiveWeapon()->DoImpactEffect( tr, nDamageType );
return;
}
BaseClass::DoImpactEffect( tr, nDamageType );
}
//---------------------------------------------------------
//---------------------------------------------------------
#define InterruptFromCondition( iCondition ) \
AI_RemapFromGlobal( ( AI_IdIsLocal( iCondition ) ? GetClassScheduleIdSpace()->ConditionLocalToGlobal( iCondition ) : iCondition ) )
void CAI_BaseNPC::SetCondition( int iCondition )
{
int interrupt = InterruptFromCondition( iCondition );
if ( interrupt == -1 )
{
Assert(0);
return;
}
m_Conditions.Set( interrupt );
}
//---------------------------------------------------------
//---------------------------------------------------------
bool CAI_BaseNPC::HasCondition( int iCondition )
{
int interrupt = InterruptFromCondition( iCondition );
if ( interrupt == -1 )
{
Assert(0);
return false;
}
bool bReturn = m_Conditions.IsBitSet(interrupt);
return (bReturn);
}
//---------------------------------------------------------
//---------------------------------------------------------
bool CAI_BaseNPC::HasCondition( int iCondition, bool bUseIgnoreConditions )
{
if ( bUseIgnoreConditions )
return HasCondition( iCondition );
int interrupt = InterruptFromCondition( iCondition );
if ( interrupt == -1 )
{
Assert(0);
return false;
}
bool bReturn = m_ConditionsPreIgnore.IsBitSet(interrupt);
return (bReturn);
}
//---------------------------------------------------------
//---------------------------------------------------------
void CAI_BaseNPC::ClearCondition( int iCondition )
{
int interrupt = InterruptFromCondition( iCondition );
if ( interrupt == -1 )
{
Assert(0);
return;
}
m_Conditions.Clear(interrupt);
}
//---------------------------------------------------------
//---------------------------------------------------------
void CAI_BaseNPC::ClearConditions( int *pConditions, int nConditions )
{
for ( int i = 0; i < nConditions; ++i )
{
int iCondition = pConditions[i];
int interrupt = InterruptFromCondition( iCondition );
if ( interrupt == -1 )
{
Assert(0);
continue;
}
m_Conditions.Clear( interrupt );
}
}
//---------------------------------------------------------
//---------------------------------------------------------
void CAI_BaseNPC::SetIgnoreConditions( int *pConditions, int nConditions )
{
for ( int i = 0; i < nConditions; ++i )
{
int iCondition = pConditions[i];
int interrupt = InterruptFromCondition( iCondition );
if ( interrupt == -1 )
{
Assert(0);
continue;
}
m_InverseIgnoreConditions.Clear( interrupt ); // clear means ignore
}
}
void CAI_BaseNPC::ClearIgnoreConditions( int *pConditions, int nConditions )
{
for ( int i = 0; i < nConditions; ++i )
{
int iCondition = pConditions[i];
int interrupt = InterruptFromCondition( iCondition );
if ( interrupt == -1 )
{
Assert(0);
continue;
}
m_InverseIgnoreConditions.Set( interrupt ); // set means don't ignore
}
}
//---------------------------------------------------------
//---------------------------------------------------------
bool CAI_BaseNPC::HasInterruptCondition( int iCondition )
{
if( !GetCurSchedule() )
{
return false;
}
int interrupt = InterruptFromCondition( iCondition );
if ( interrupt == -1 )
{
Assert(0);
return false;
}
return ( m_Conditions.IsBitSet( interrupt ) && GetCurSchedule()->HasInterrupt( interrupt ) );
}
//---------------------------------------------------------
//---------------------------------------------------------
bool CAI_BaseNPC::ConditionInterruptsCurSchedule( int iCondition )
{
if( !GetCurSchedule() )
{
return false;
}
int interrupt = InterruptFromCondition( iCondition );
if ( interrupt == -1 )
{
Assert(0);
return false;
}
return ( GetCurSchedule()->HasInterrupt( interrupt ) );
}
//---------------------------------------------------------
//---------------------------------------------------------
bool CAI_BaseNPC::ConditionInterruptsSchedule( int localScheduleID, int iCondition )
{
CAI_Schedule *pSchedule = GetSchedule( localScheduleID );
if ( !pSchedule )
return false;
int interrupt = InterruptFromCondition( iCondition );
if ( interrupt == -1 )
{
Assert(0);
return false;
}
return ( pSchedule->HasInterrupt( interrupt ) );
}
//-----------------------------------------------------------------------------
// Purpose: Sets the interrupt conditions for a scripted schedule
// Input : interrupt - the level of interrupt we allow
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetScriptedScheduleIgnoreConditions( Interruptability_t interrupt )
{
static int g_GeneralConditions[] =
{
COND_CAN_MELEE_ATTACK1,
COND_CAN_MELEE_ATTACK2,
COND_CAN_RANGE_ATTACK1,
COND_CAN_RANGE_ATTACK2,
COND_ENEMY_DEAD,
COND_HEAR_BULLET_IMPACT,
COND_HEAR_COMBAT,
COND_HEAR_DANGER,
COND_HEAR_PHYSICS_DANGER,
COND_NEW_ENEMY,
COND_PROVOKED,
COND_SEE_ENEMY,
COND_SEE_FEAR,
COND_SMELL,
};
static int g_DamageConditions[] =
{
COND_HEAVY_DAMAGE,
COND_LIGHT_DAMAGE,
COND_RECEIVED_ORDERS,
};
ClearIgnoreConditions( g_GeneralConditions, ARRAYSIZE(g_GeneralConditions) );
ClearIgnoreConditions( g_DamageConditions, ARRAYSIZE(g_DamageConditions) );
if ( interrupt > GENERAL_INTERRUPTABILITY )
SetIgnoreConditions( g_GeneralConditions, ARRAYSIZE(g_GeneralConditions) );
if ( interrupt > DAMAGEORDEATH_INTERRUPTABILITY )
SetIgnoreConditions( g_DamageConditions, ARRAYSIZE(g_DamageConditions) );
}
//-----------------------------------------------------------------------------
// Returns whether we currently have any interrupt conditions that would
// interrupt the given schedule.
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::HasConditionsToInterruptSchedule( int nLocalScheduleID )
{
CAI_Schedule *pSchedule = GetSchedule( nLocalScheduleID );
if ( !pSchedule )
return false;
CAI_ScheduleBits bitsMask;
pSchedule->GetInterruptMask( &bitsMask );
CAI_ScheduleBits bitsOut;
AccessConditionBits().And( bitsMask, &bitsOut );
return !bitsOut.IsAllClear();
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsCustomInterruptConditionSet( int nCondition )
{
int interrupt = InterruptFromCondition( nCondition );
if ( interrupt == -1 )
{
Assert(0);
return false;
}
return m_CustomInterruptConditions.IsBitSet( interrupt );
}
//-----------------------------------------------------------------------------
// Purpose: Sets a flag in the custom interrupt flags, translating the condition
// to the proper global space, if necessary
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetCustomInterruptCondition( int nCondition )
{
int interrupt = InterruptFromCondition( nCondition );
if ( interrupt == -1 )
{
Assert(0);
return;
}
m_CustomInterruptConditions.Set( interrupt );
}
//-----------------------------------------------------------------------------
// Purpose: Clears a flag in the custom interrupt flags, translating the condition
// to the proper global space, if necessary
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ClearCustomInterruptCondition( int nCondition )
{
int interrupt = InterruptFromCondition( nCondition );
if ( interrupt == -1 )
{
Assert(0);
return;
}
m_CustomInterruptConditions.Clear( interrupt );
}
//-----------------------------------------------------------------------------
// Purpose: Clears all the custom interrupt flags.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ClearCustomInterruptConditions()
{
m_CustomInterruptConditions.ClearAll();
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetDistLook( float flDistLook )
{
m_pSenses->SetDistLook( flDistLook );
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::QueryHearSound( CSound *pSound )
{
if ( pSound->SoundContext() & SOUND_CONTEXT_COMBINE_ONLY )
return false;
if ( pSound->SoundContext() & SOUND_CONTEXT_ALLIES_ONLY )
{
if ( !IsPlayerAlly() )
return false;
}
if ( pSound->IsSoundType( SOUND_PLAYER ) && GetState() == NPC_STATE_IDLE && !FVisible( pSound->GetSoundReactOrigin() ) )
{
// NPC's that are IDLE should disregard player movement sounds if they can't see them.
// This does not affect them hearing the player's weapon.
// !!!BUGBUG - this probably makes NPC's not hear doors opening, because doors opening put SOUND_PLAYER
// in the world, but the door's model will block the FVisible() trace and this code will then
// deduce that the sound can not be heard
return false;
}
// Disregard footsteps from our own class type
if ( pSound->IsSoundType( SOUND_COMBAT ) && pSound->SoundChannel() == SOUNDENT_CHANNEL_NPC_FOOTSTEP )
{
if ( pSound->m_hOwner && pSound->m_hOwner->ClassMatches( m_iClassname ) )
return false;
}
if( ShouldIgnoreSound( pSound ) )
return false;
return true;
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::QuerySeeEntity( CBaseEntity *pEntity, bool bOnlyHateOrFearIfNPC )
{
if ( bOnlyHateOrFearIfNPC && pEntity->IsNPC() )
{
Disposition_t disposition = IRelationType( pEntity );
return ( disposition == D_HT || disposition == D_FR );
}
return true;
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OnLooked( int iDistance )
{
// DON'T let visibility information from last frame sit around!
static int conditionsToClear[] =
{
COND_SEE_HATE,
COND_SEE_DISLIKE,
COND_SEE_ENEMY,
COND_SEE_FEAR,
COND_SEE_NEMESIS,
COND_SEE_PLAYER,
COND_LOST_PLAYER,
COND_ENEMY_WENT_NULL,
};
bool bHadSeePlayer = HasCondition(COND_SEE_PLAYER);
ClearConditions( conditionsToClear, ARRAYSIZE( conditionsToClear ) );
AISightIter_t iter;
CBaseEntity *pSightEnt;
pSightEnt = GetSenses()->GetFirstSeenEntity( &iter );
while( pSightEnt )
{
if ( pSightEnt->IsPlayer() )
{
// if we see a client, remember that (mostly for scripted AI)
SetCondition(COND_SEE_PLAYER);
m_flLastSawPlayerTime = gpGlobals->curtime;
}
Disposition_t relation = IRelationType( pSightEnt );
// the looker will want to consider this entity
// don't check anything else about an entity that can't be seen, or an entity that you don't care about.
if ( relation != D_NU )
{
if ( pSightEnt == GetEnemy() )
{
// we know this ent is visible, so if it also happens to be our enemy, store that now.
SetCondition(COND_SEE_ENEMY);
}
// don't add the Enemy's relationship to the conditions. We only want to worry about conditions when
// we see npcs other than the Enemy.
switch ( relation )
{
case D_HT:
{
int priority = IRelationPriority( pSightEnt );
if (priority < 0)
{
SetCondition(COND_SEE_DISLIKE);
}
else if (priority > 10)
{
SetCondition(COND_SEE_NEMESIS);
}
else
{
SetCondition(COND_SEE_HATE);
}
UpdateEnemyMemory(pSightEnt,pSightEnt->GetAbsOrigin());
break;
}
case D_FR:
UpdateEnemyMemory(pSightEnt,pSightEnt->GetAbsOrigin());
SetCondition(COND_SEE_FEAR);
break;
case D_LI:
case D_NU:
break;
default:
DevWarning( 2, "%s can't assess %s\n", GetClassname(), pSightEnt->GetClassname() );
break;
}
}
pSightEnt = GetSenses()->GetNextSeenEntity( &iter );
}
// Did we lose the player?
if ( bHadSeePlayer && !HasCondition(COND_SEE_PLAYER) )
{
SetCondition(COND_LOST_PLAYER);
}
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OnListened()
{
AISoundIter_t iter;
CSound *pCurrentSound;
static int conditionsToClear[] =
{
COND_HEAR_DANGER,
COND_HEAR_COMBAT,
COND_HEAR_WORLD,
COND_HEAR_PLAYER,
COND_HEAR_THUMPER,
COND_HEAR_BUGBAIT,
COND_HEAR_PHYSICS_DANGER,
COND_HEAR_BULLET_IMPACT,
COND_HEAR_MOVE_AWAY,
COND_NO_HEAR_DANGER,
COND_SMELL,
};
ClearConditions( conditionsToClear, ARRAYSIZE( conditionsToClear ) );
pCurrentSound = GetSenses()->GetFirstHeardSound( &iter );
while ( pCurrentSound )
{
// the npc cares about this sound, and it's close enough to hear.
int condition = COND_NONE;
if ( pCurrentSound->FIsSound() )
{
// this is an audible sound.
switch( pCurrentSound->SoundTypeNoContext() )
{
case SOUND_DANGER:
if( gpGlobals->curtime > m_flIgnoreDangerSoundsUntil)
condition = COND_HEAR_DANGER;
break;
case SOUND_THUMPER: condition = COND_HEAR_THUMPER; break;
case SOUND_BUGBAIT: condition = COND_HEAR_BUGBAIT; break;
case SOUND_COMBAT:
if ( pCurrentSound->SoundChannel() == SOUNDENT_CHANNEL_SPOOKY_NOISE )
{
condition = COND_HEAR_SPOOKY;
}
else
{
condition = COND_HEAR_COMBAT;
}
break;
case SOUND_WORLD: condition = COND_HEAR_WORLD; break;
case SOUND_PLAYER: condition = COND_HEAR_PLAYER; break;
case SOUND_BULLET_IMPACT: condition = COND_HEAR_BULLET_IMPACT; break;
case SOUND_PHYSICS_DANGER: condition = COND_HEAR_PHYSICS_DANGER; break;
case SOUND_DANGER_SNIPERONLY:/* silence warning */ break;
case SOUND_MOVE_AWAY: condition = COND_HEAR_MOVE_AWAY; break;
case SOUND_PLAYER_VEHICLE: condition = COND_HEAR_PLAYER; break;
default:
DevMsg( "**ERROR: NPC %s hearing sound of unknown type %d!\n", GetClassname(), pCurrentSound->SoundType() );
break;
}
}
else
{
// if not a sound, must be a smell - determine if it's just a scent, or if it's a food scent
condition = COND_SMELL;
}
if ( condition != COND_NONE )
{
SetCondition( condition );
}
pCurrentSound = GetSenses()->GetNextHeardSound( &iter );
}
if( !HasCondition( COND_HEAR_DANGER ) )
{
SetCondition( COND_NO_HEAR_DANGER );
}
// Sound outputs
if ( HasCondition( COND_HEAR_WORLD ) )
{
m_OnHearWorld.FireOutput(this, this);
}
if ( HasCondition( COND_HEAR_PLAYER ) )
{
m_OnHearPlayer.FireOutput(this, this);
}
if ( HasCondition( COND_HEAR_COMBAT ) ||
HasCondition( COND_HEAR_BULLET_IMPACT ) ||
HasCondition( COND_HEAR_DANGER ) )
{
m_OnHearCombat.FireOutput(this, this);
}
}
//=========================================================
// FValidateHintType - tells use whether or not the npc cares
// about the type of Hint Node given
//=========================================================
bool CAI_BaseNPC::FValidateHintType ( CAI_Hint *pHint )
{
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Override in subclasses to associate specific hint types
// with activities
//-----------------------------------------------------------------------------
Activity CAI_BaseNPC::GetHintActivity( short sHintType, Activity HintsActivity )
{
if ( HintsActivity != ACT_INVALID )
return HintsActivity;
return ACT_IDLE;
}
//-----------------------------------------------------------------------------
// Purpose: Override in subclasses to give specific hint types delays
// before they can be used again
// Input :
// Output :
//-----------------------------------------------------------------------------
float CAI_BaseNPC::GetHintDelay( short sHintType )
{
return 0;
}
//-----------------------------------------------------------------------------
// Purpose: Return incoming grenade if spotted
// Input :
// Output :
//-----------------------------------------------------------------------------
CBaseGrenade* CAI_BaseNPC::IncomingGrenade(void)
{
int iDist;
AIEnemiesIter_t iter;
for( AI_EnemyInfo_t *pEMemory = GetEnemies()->GetFirst(&iter); pEMemory != NULL; pEMemory = GetEnemies()->GetNext(&iter) )
{
CBaseGrenade* pBG = dynamic_cast<CBaseGrenade*>((CBaseEntity*)pEMemory->hEnemy);
// Make sure this memory is for a grenade and grenade is not dead
if (!pBG || pBG->m_lifeState == LIFE_DEAD)
continue;
// Make sure it's visible
if (!FVisible(pBG))
continue;
// Check if it's near me
iDist = ( pBG->GetAbsOrigin() - GetAbsOrigin() ).Length();
if ( iDist <= NPC_GRENADE_FEAR_DIST )
return pBG;
// Check if it's headed towards me
Vector vGrenadeDir = GetAbsOrigin() - pBG->GetAbsOrigin();
Vector vGrenadeVel;
pBG->GetVelocity( &vGrenadeVel, NULL );
VectorNormalize(vGrenadeDir);
VectorNormalize(vGrenadeVel);
float flDotPr = DotProduct(vGrenadeDir, vGrenadeVel);
if (flDotPr > 0.85)
return pBG;
}
return NULL;
}
//-----------------------------------------------------------------------------
// Purpose: Check my physical state with the environment
// Input :
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::TryRestoreHull(void)
{
if ( IsUsingSmallHull() && GetCurSchedule() )
{
trace_t tr;
Vector vUpBit = GetAbsOrigin();
vUpBit.z += 1;
AI_TraceHull( GetAbsOrigin(), vUpBit, GetHullMins(),
GetHullMaxs(), MASK_SOLID, this, COLLISION_GROUP_NONE, &tr );
if ( !tr.startsolid && (tr.fraction == 1.0) )
{
SetHullSizeNormal();
}
}
}
//=========================================================
//=========================================================
int CAI_BaseNPC::GetSoundInterests( void )
{
return SOUND_WORLD | SOUND_COMBAT | SOUND_PLAYER | SOUND_PLAYER_VEHICLE |
SOUND_BULLET_IMPACT;
}
//---------------------------------------------------------
//---------------------------------------------------------
int CAI_BaseNPC::GetSoundPriority( CSound *pSound )
{
int iSoundTypeNoContext = pSound->SoundTypeNoContext();
int iSoundContext = pSound->SoundContext();
if( iSoundTypeNoContext & SOUND_DANGER )
{
return SOUND_PRIORITY_HIGHEST;
}
if( iSoundTypeNoContext & SOUND_COMBAT )
{
if( iSoundContext & SOUND_CONTEXT_EXPLOSION )
{
return SOUND_PRIORITY_VERY_HIGH;
}
return SOUND_PRIORITY_HIGH;
}
return SOUND_PRIORITY_NORMAL;
}
//---------------------------------------------------------
// Return the loudest sound of this type in the sound list
//---------------------------------------------------------
CSound *CAI_BaseNPC::GetLoudestSoundOfType( int iType )
{
return CSoundEnt::GetLoudestSoundOfType( iType, EarPosition() );
}
//=========================================================
// GetBestSound - returns a pointer to the sound the npc
// should react to. Right now responds only to nearest sound.
//=========================================================
CSound* CAI_BaseNPC::GetBestSound( int validTypes )
{
if ( m_pLockedBestSound->m_iType != SOUND_NONE )
return m_pLockedBestSound;
CSound *pResult = GetSenses()->GetClosestSound( false, validTypes );
if ( pResult == NULL)
DevMsg( "Warning: NULL Return from GetBestSound\n" ); // condition previously set now no longer true. Have seen this when play too many sounds...
return pResult;
}
//=========================================================
// PBestScent - returns a pointer to the scent the npc
// should react to. Right now responds only to nearest scent
//=========================================================
CSound* CAI_BaseNPC::GetBestScent( void )
{
CSound *pResult = GetSenses()->GetClosestSound( true );
if ( pResult == NULL)
DevMsg("Warning: NULL Return from GetBestScent\n" );
return pResult;
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::LockBestSound()
{
UnlockBestSound();
CSound *pBestSound = GetBestSound();
if ( pBestSound )
*m_pLockedBestSound = *pBestSound;
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::UnlockBestSound()
{
if ( m_pLockedBestSound->m_iType != SOUND_NONE )
{
m_pLockedBestSound->m_iType = SOUND_NONE;
OnListened(); // reset hearing conditions
}
}
//-----------------------------------------------------------------------------
// Purpose: Return true if the specified sound is visible. Handles sounds generated by entities correctly.
// Input : *pSound -
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::SoundIsVisible( CSound *pSound )
{
CBaseEntity *pBlocker = NULL;
if ( !FVisible( pSound->GetSoundReactOrigin(), MASK_BLOCKLOS, &pBlocker ) )
{
// Is the blocker the sound owner?
if ( pBlocker && pBlocker == pSound->m_hOwner )
return true;
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Returns true if target is in legal range of eye movements
// Input :
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::ValidEyeTarget(const Vector &lookTargetPos)
{
Vector vHeadDir = HeadDirection3D( );
Vector lookTargetDir = lookTargetPos - EyePosition();
VectorNormalize(lookTargetDir);
// Only look if it doesn't crank my eyeballs too far
float dotPr = DotProduct(lookTargetDir, vHeadDir);
if (dotPr > 0.7)
{
return true;
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Integrate head turn over time
// Input :
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetHeadDirection( const Vector &vTargetPos, float flInterval)
{
if (!(CapabilitiesGet() & bits_CAP_TURN_HEAD))
return;
#ifdef DEBUG_LOOK
// Draw line in body, head, and eye directions
Vector vEyePos = EyePosition();
Vector vHeadDir;
HeadDirection3D(&vHeadDir);
Vector vBodyDir;
BodyDirection2D(&vBodyDir);
//UNDONE <<TODO>>
// currently eye dir just returns head dir, so use vTargetPos for now
//Vector vEyeDir; w
//EyeDirection3D(&vEyeDir);
NDebugOverlay::Line( vEyePos, vEyePos+(50*vHeadDir), 255, 0, 0, false, 0.1 );
NDebugOverlay::Line( vEyePos, vEyePos+(50*vBodyDir), 0, 255, 0, false, 0.1 );
NDebugOverlay::Line( vEyePos, vTargetPos, 0, 0, 255, false, 0.1 );
#endif
//--------------------------------------
// Set head yaw
//--------------------------------------
float flDesiredYaw = VecToYaw(vTargetPos - GetLocalOrigin()) - GetLocalAngles().y;
if (flDesiredYaw > 180)
flDesiredYaw -= 360;
if (flDesiredYaw < -180)
flDesiredYaw += 360;
float iRate = 0.8;
// Make frame rate independent
float timeToUse = flInterval;
while (timeToUse > 0)
{
m_flHeadYaw = (iRate * m_flHeadYaw) + (1-iRate)*flDesiredYaw;
timeToUse -= 0.1;
}
if (m_flHeadYaw > 360) m_flHeadYaw = 0;
m_flHeadYaw = SetBoneController( 0, m_flHeadYaw );
//--------------------------------------
// Set head pitch
//--------------------------------------
Vector vEyePosition = EyePosition();
float fTargetDist = (vTargetPos - vEyePosition).Length();
float fVertDist = vTargetPos.z - vEyePosition.z;
float flDesiredPitch = -RAD2DEG(atan(fVertDist/fTargetDist));
// Make frame rate independent
timeToUse = flInterval;
while (timeToUse > 0)
{
m_flHeadPitch = (iRate * m_flHeadPitch) + (1-iRate)*flDesiredPitch;
timeToUse -= 0.1;
}
if (m_flHeadPitch > 360) m_flHeadPitch = 0;
SetBoneController( 1, m_flHeadPitch );
}
//------------------------------------------------------------------------------
// Purpose : Calculate the NPC's eye direction in 2D world space
// Input :
// Output :
//------------------------------------------------------------------------------
Vector CAI_BaseNPC::EyeDirection2D( void )
{
// UNDONE
// For now just return head direction....
return HeadDirection2D( );
}
//------------------------------------------------------------------------------
// Purpose : Calculate the NPC's eye direction in 2D world space
// Input :
// Output :
//------------------------------------------------------------------------------
Vector CAI_BaseNPC::EyeDirection3D( void )
{
// UNDONE //<<TODO>>
// For now just return head direction....
return HeadDirection3D( );
}
//------------------------------------------------------------------------------
// Purpose : Calculate the NPC's head direction in 2D world space
// Input :
// Output :
//------------------------------------------------------------------------------
Vector CAI_BaseNPC::HeadDirection2D( void )
{
// UNDONE <<TODO>>
// This does not account for head rotations in the animation,
// only those done via bone controllers
// Head yaw is in local cooridnate so it must be added to the body's yaw
QAngle bodyAngles = BodyAngles();
float flWorldHeadYaw = m_flHeadYaw + bodyAngles.y;
// Convert head yaw into facing direction
return UTIL_YawToVector( flWorldHeadYaw );
}
//------------------------------------------------------------------------------
// Purpose : Calculate the NPC's head direction in 3D world space
// Input :
// Output :
//------------------------------------------------------------------------------
Vector CAI_BaseNPC::HeadDirection3D( void )
{
Vector vHeadDirection;
// UNDONE <<TODO>>
// This does not account for head rotations in the animation,
// only those done via bone controllers
// Head yaw is in local cooridnate so it must be added to the body's yaw
QAngle bodyAngles = BodyAngles();
float flWorldHeadYaw = m_flHeadYaw + bodyAngles.y;
// Convert head yaw into facing direction
AngleVectors( QAngle( m_flHeadPitch, flWorldHeadYaw, 0), &vHeadDirection );
return vHeadDirection;
}
//-----------------------------------------------------------------------------
// Purpose: Look at other NPCs and clients from time to time
// Input :
// Output :
//-----------------------------------------------------------------------------
CBaseEntity *CAI_BaseNPC::EyeLookTarget( void )
{
if (m_flNextEyeLookTime < gpGlobals->curtime)
{
CBaseEntity* pBestEntity = NULL;
float fBestDist = MAX_COORD_RANGE;
float fTestDist;
CBaseEntity *pEntity = NULL;
for ( CEntitySphereQuery sphere( GetAbsOrigin(), 1024, 0 ); (pEntity = sphere.GetCurrentEntity()) != NULL; sphere.NextEntity() )
{
if (pEntity == this)
{
continue;
}
CAI_BaseNPC *pNPC = pEntity->MyNPCPointer();
if (pNPC || (pEntity->GetFlags() & FL_CLIENT))
{
fTestDist = (GetAbsOrigin() - pEntity->EyePosition()).Length();
if (fTestDist < fBestDist)
{
if (ValidEyeTarget(pEntity->EyePosition()))
{
fBestDist = fTestDist;
pBestEntity = pEntity;
}
}
}
}
if (pBestEntity)
{
m_flNextEyeLookTime = gpGlobals->curtime + random->RandomInt(1,5);
m_hEyeLookTarget = pBestEntity;
}
}
return m_hEyeLookTarget;
}
//-----------------------------------------------------------------------------
// Purpose: Set direction that the NPC aiming their gun
// returns true is the passed Vector is in
// the caller's forward aim cone. The dot product is performed
// in 2d, making the view cone infinitely tall. By default, the
// callers aim cone is assumed to be very narrow
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::FInAimCone( const Vector &vecSpot )
{
Vector los = ( vecSpot - GetAbsOrigin() );
// do this in 2D
los.z = 0;
VectorNormalize( los );
Vector facingDir = BodyDirection2D( );
float flDot = DotProduct( los, facingDir );
if (CapabilitiesGet() & bits_CAP_AIM_GUN)
{
// FIXME: query current animation for ranges
return ( flDot > DOT_30DEGREE );
}
if ( flDot > 0.994 )//!!!BUGBUG - magic number same as FacingIdeal(), what is this?
return true;
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Cache whatever pose parameters we intend to use
//-----------------------------------------------------------------------------
void CAI_BaseNPC::PopulatePoseParameters( void )
{
m_poseAim_Pitch = LookupPoseParameter( "aim_pitch" );
m_poseAim_Yaw = LookupPoseParameter( "aim_yaw" );
m_poseMove_Yaw = LookupPoseParameter( "move_yaw" );
BaseClass::PopulatePoseParameters();
}
//-----------------------------------------------------------------------------
// Purpose: Set direction that the NPC aiming their gun
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetAim( const Vector &aimDir )
{
QAngle angDir;
VectorAngles( aimDir, angDir );
float curPitch = GetPoseParameter( m_poseAim_Pitch );
float curYaw = GetPoseParameter( m_poseAim_Yaw );
float newPitch;
float newYaw;
if( GetEnemy() )
{
// clamp and dampen movement
newPitch = curPitch + 0.8 * UTIL_AngleDiff( UTIL_ApproachAngle( angDir.x, curPitch, 20 ), curPitch );
float flRelativeYaw = UTIL_AngleDiff( angDir.y, GetAbsAngles().y );
// float flNewTargetYaw = UTIL_ApproachAngle( flRelativeYaw, curYaw, 20 );
// float newYaw = curYaw + 0.8 * UTIL_AngleDiff( flNewTargetYaw, curYaw );
newYaw = curYaw + UTIL_AngleDiff( flRelativeYaw, curYaw );
}
else
{
// Sweep your weapon more slowly if you're not fighting someone
newPitch = curPitch + 0.6 * UTIL_AngleDiff( UTIL_ApproachAngle( angDir.x, curPitch, 20 ), curPitch );
float flRelativeYaw = UTIL_AngleDiff( angDir.y, GetAbsAngles().y );
newYaw = curYaw + 0.6 * UTIL_AngleDiff( flRelativeYaw, curYaw );
}
newPitch = AngleNormalize( newPitch );
newYaw = AngleNormalize( newYaw );
SetPoseParameter( m_poseAim_Pitch, newPitch );
SetPoseParameter( m_poseAim_Yaw, newYaw );
// Msg("yaw %.0f (%.0f %.0f)\n", newYaw, angDir.y, GetAbsAngles().y );
// Calculate our interaction yaw.
// If we've got a small adjustment off our abs yaw, use that.
// Otherwise, use our abs yaw.
if ( fabs(newYaw) < 20 )
{
m_flInteractionYaw = angDir.y;
}
else
{
m_flInteractionYaw = GetAbsAngles().y;
}
}
void CAI_BaseNPC::RelaxAim( )
{
float curPitch = GetPoseParameter( m_poseAim_Pitch );
float curYaw = GetPoseParameter( m_poseAim_Yaw );
// dampen existing aim
float newPitch = AngleNormalize( UTIL_ApproachAngle( 0, curPitch, 3 ) );
float newYaw = AngleNormalize( UTIL_ApproachAngle( 0, curYaw, 2 ) );
SetPoseParameter( m_poseAim_Pitch, newPitch );
SetPoseParameter( m_poseAim_Yaw, newYaw );
// DevMsg("relax aim %.0f %0.f\n", newPitch, newYaw );
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::AimGun()
{
if (GetEnemy())
{
Vector vecShootOrigin;
vecShootOrigin = Weapon_ShootPosition();
Vector vecShootDir = GetShootEnemyDir( vecShootOrigin, false );
SetAim( vecShootDir );
}
else
{
RelaxAim( );
}
}
//-----------------------------------------------------------------------------
// Purpose: Set direction that the NPC is looking
// Input :
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::MaintainLookTargets ( float flInterval )
{
// --------------------------------------------------------
// Try to look at enemy if I have one
// --------------------------------------------------------
if ((CBaseEntity*)GetEnemy())
{
if ( ValidEyeTarget(GetEnemy()->EyePosition()) )
{
SetHeadDirection(GetEnemy()->EyePosition(),flInterval);
SetViewtarget( GetEnemy()->EyePosition() );
return;
}
}
#if 0
// --------------------------------------------------------
// First check if I've been assigned to look at an entity
// --------------------------------------------------------
CBaseEntity *lookTarget = EyeLookTarget();
if (lookTarget && ValidEyeTarget(lookTarget->EyePosition()))
{
SetHeadDirection(lookTarget->EyePosition(),flInterval);
SetViewtarget( lookTarget->EyePosition() );
return;
}
#endif
// --------------------------------------------------------
// If I'm moving, look at my target position
// --------------------------------------------------------
if (GetNavigator()->IsGoalActive() && ValidEyeTarget(GetNavigator()->GetCurWaypointPos()))
{
SetHeadDirection(GetNavigator()->GetCurWaypointPos(),flInterval);
SetViewtarget( GetNavigator()->GetCurWaypointPos() );
return;
}
// -------------------------------------
// If I hear a combat sounds look there
// -------------------------------------
if ( HasCondition(COND_HEAR_COMBAT) || HasCondition(COND_HEAR_DANGER) )
{
CSound *pSound = GetBestSound();
if ( pSound && pSound->IsSoundType(SOUND_COMBAT | SOUND_DANGER) )
{
if (ValidEyeTarget( pSound->GetSoundOrigin() ))
{
SetHeadDirection(pSound->GetSoundOrigin(),flInterval);
SetViewtarget( pSound->GetSoundOrigin() );
return;
}
}
}
// -------------------------------------
// Otherwise just look around randomly
// -------------------------------------
// Check that look target position is still valid
if (m_flNextEyeLookTime > gpGlobals->curtime)
{
if (!ValidEyeTarget(m_vEyeLookTarget))
{
// Force choosing of new look target
m_flNextEyeLookTime = 0;
}
}
if (m_flNextEyeLookTime < gpGlobals->curtime)
{
Vector vBodyDir = BodyDirection2D( );
/*
Vector lookSpread = Vector(0.82,0.82,0.22);
float x = random->RandomFloat(-0.5,0.5) + random->RandomFloat(-0.5,0.5);
float y = random->RandomFloat(-0.5,0.5) + random->RandomFloat(-0.5,0.5);
float z = random->RandomFloat(-0.5,0.5) + random->RandomFloat(-0.5,0.5);
QAngle angles;
VectorAngles( vBodyDir, angles );
Vector forward, right, up;
AngleVectors( angles, &forward, &right, &up );
Vector vecDir = vBodyDir + (x * lookSpread.x * forward) + (y * lookSpread.y * right) + (z * lookSpread.z * up);
float lookDist = random->RandomInt(50,2000);
m_vEyeLookTarget = EyePosition() + lookDist*vecDir;
*/
m_vEyeLookTarget = EyePosition() + 500*vBodyDir;
m_flNextEyeLookTime = gpGlobals->curtime + 0.5; // random->RandomInt(1,5);
}
SetHeadDirection(m_vEyeLookTarget,flInterval);
// ----------------------------------------------------
// Integrate eye turn in frame rate independent manner
// ----------------------------------------------------
float timeToUse = flInterval;
while (timeToUse > 0)
{
m_vCurEyeTarget = ((1 - m_flEyeIntegRate) * m_vCurEyeTarget + m_flEyeIntegRate * m_vEyeLookTarget);
timeToUse -= 0.1;
}
SetViewtarget( m_vCurEyeTarget );
}
//-----------------------------------------------------------------------------
// Let the motor deal with turning presentation issues
//-----------------------------------------------------------------------------
void CAI_BaseNPC::MaintainTurnActivity( )
{
// Don't bother if we're in a vehicle
if ( IsInAVehicle() )
return;
AI_PROFILE_SCOPE( CAI_BaseNPC_MaintainTurnActivity );
GetMotor()->MaintainTurnActivity( );
}
//-----------------------------------------------------------------------------
// Here's where all motion occurs
//-----------------------------------------------------------------------------
void CAI_BaseNPC::PerformMovement()
{
// don't bother to move if the npc isn't alive
if (!IsAlive())
return;
AI_PROFILE_SCOPE(CAI_BaseNPC_PerformMovement);
g_AIMoveTimer.Start();
float flInterval = ( m_flTimeLastMovement != FLT_MAX ) ? gpGlobals->curtime - m_flTimeLastMovement : 0.1;
m_pNavigator->Move( ROUND_TO_TICKS( flInterval ) );
m_flTimeLastMovement = gpGlobals->curtime;
g_AIMoveTimer.End();
}
//-----------------------------------------------------------------------------
// Updates to npc after movement is completed
//-----------------------------------------------------------------------------
void CAI_BaseNPC::PostMovement()
{
AI_PROFILE_SCOPE( CAI_BaseNPC_PostMovement );
InvalidateBoneCache();
if ( GetModelPtr() && GetModelPtr()->SequencesAvailable() )
{
float flInterval = GetAnimTimeInterval();
if ( CapabilitiesGet() & bits_CAP_AIM_GUN )
{
AI_PROFILE_SCOPE( CAI_BaseNPC_PM_AimGun );
AimGun();
}
else
{
// NPCs with bits_CAP_AIM_GUN update this in SetAim, called by AimGun.
m_flInteractionYaw = GetAbsAngles().y;
}
// set look targets for npcs with animated faces
if ( CapabilitiesGet() & bits_CAP_ANIMATEDFACE )
{
AI_PROFILE_SCOPE( CAI_BaseNPC_PM_MaintainLookTargets );
MaintainLookTargets(flInterval);
}
}
{
AI_PROFILE_SCOPE( CAI_BaseNPC_PM_MaintainTurnActivity );
// update turning as needed
MaintainTurnActivity( );
}
}
//-----------------------------------------------------------------------------
float g_AINextDisabledMessageTime;
extern bool IsInCommentaryMode( void );
bool CAI_BaseNPC::PreThink( void )
{
// ----------------------------------------------------------
// Skip AI if its been disabled or networks haven't been
// loaded, and put a warning message on the screen
//
// Don't do this if the convar wants it hidden
// ----------------------------------------------------------
if ( (CAI_BaseNPC::m_nDebugBits & bits_debugDisableAI || !g_pAINetworkManager->NetworksLoaded()) )
{
if ( gpGlobals->curtime >= g_AINextDisabledMessageTime && !IsInCommentaryMode() )
{
g_AINextDisabledMessageTime = gpGlobals->curtime + 0.5f;
hudtextparms_s tTextParam;
tTextParam.x = 0.7;
tTextParam.y = 0.65;
tTextParam.effect = 0;
tTextParam.r1 = 255;
tTextParam.g1 = 255;
tTextParam.b1 = 255;
tTextParam.a1 = 255;
tTextParam.r2 = 255;
tTextParam.g2 = 255;
tTextParam.b2 = 255;
tTextParam.a2 = 255;
tTextParam.fadeinTime = 0;
tTextParam.fadeoutTime = 0;
tTextParam.holdTime = 0.6;
tTextParam.fxTime = 0;
tTextParam.channel = 1;
UTIL_HudMessageAll( tTextParam, "A.I. Disabled...\n" );
}
SetActivity( ACT_IDLE );
return false;
}
// --------------------------------------------------------
// If debug stepping
// --------------------------------------------------------
if (CAI_BaseNPC::m_nDebugBits & bits_debugStepAI)
{
if (m_nDebugCurIndex >= CAI_BaseNPC::m_nDebugPauseIndex)
{
if (!GetNavigator()->IsGoalActive())
{
m_flPlaybackRate = 0;
}
return false;
}
else
{
m_flPlaybackRate = 1;
}
}
if ( m_hOpeningDoor.Get() && AIIsDebuggingDoors( this ) )
{
NDebugOverlay::Line( EyePosition(), m_hOpeningDoor->WorldSpaceCenter(), 255, 255, 255, false, .1 );
}
return true;
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::RunAnimation( void )
{
VPROF_BUDGET( "CAI_BaseNPC_RunAnimation", VPROF_BUDGETGROUP_SERVER_ANIM );
if ( !GetModelPtr() )
return;
float flInterval = GetAnimTimeInterval();
StudioFrameAdvance( ); // animate
if ((CAI_BaseNPC::m_nDebugBits & bits_debugStepAI) && !GetNavigator()->IsGoalActive())
{
flInterval = 0;
}
// start or end a fidget
// This needs a better home -- switching animations over time should be encapsulated on a per-activity basis
// perhaps MaintainActivity() or a ShiftAnimationOverTime() or something.
if ( m_NPCState != NPC_STATE_SCRIPT && m_NPCState != NPC_STATE_DEAD && m_Activity == ACT_IDLE && IsActivityFinished() )
{
int iSequence;
// FIXME: this doesn't reissue a translation, so if the idle activity translation changes over time, it'll never get reset
if ( SequenceLoops() )
{
// animation does loop, which means we're playing subtle idle. Might need to fidget.
iSequence = SelectWeightedSequence ( m_translatedActivity );
}
else
{
// animation that just ended doesn't loop! That means we just finished a fidget
// and should return to our heaviest weighted idle (the subtle one)
iSequence = SelectHeaviestSequence ( m_translatedActivity );
}
if ( iSequence != ACTIVITY_NOT_AVAILABLE )
{
ResetSequence( iSequence ); // Set to new anim (if it's there)
//Adrian: Basically everywhere else in the AI code this variable gets set to whatever our sequence is.
//But here it doesn't and not setting it causes any animation set through here to be stomped by the
//ideal sequence before it has a chance of playing out (since there's code that reselects the ideal
//sequence if it doesn't match the current one).
if ( hl2_episodic.GetBool() )
{
m_nIdealSequence = iSequence;
}
}
}
DispatchAnimEvents( this );
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::PostRun( void )
{
AI_PROFILE_SCOPE(CAI_BaseNPC_PostRun);
g_AIPostRunTimer.Start();
if ( !IsMoving() )
{
if ( GetIdealActivity() == ACT_WALK ||
GetIdealActivity() == ACT_RUN ||
GetIdealActivity() == ACT_WALK_AIM ||
GetIdealActivity() == ACT_RUN_AIM )
{
PostRunStopMoving();
}
}
RunAnimation();
// update slave items (weapons)
Weapon_FrameUpdate();
g_AIPostRunTimer.End();
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::PostRunStopMoving()
{
DbgNavMsg1( this, "NPC %s failed to stop properly, slamming activity\n", GetDebugName() );
if ( !GetNavigator()->SetGoalFromStoppingPath() )
SetIdealActivity( GetStoppedActivity() ); // This is to prevent running in place
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::ShouldAlwaysThink()
{
// @TODO (toml 07-08-03): This needs to be beefed up.
// There are simple cases already seen where an AI can briefly leave
// the PVS while navigating to the player. Perhaps should incorporate a heuristic taking into
// account mode, enemy, last time saw player, player range etc. For example, if enemy is player,
// and player is within 100 feet, and saw the player within the past 15 seconds, keep running...
return HasSpawnFlags(SF_NPC_ALWAYSTHINK);
}
//-----------------------------------------------------------------------------
// Purpose: Return true if the Player should be running the auto-move-out-of-way
// avoidance code, which also means that the NPC shouldn't care about running into the Player.
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::ShouldPlayerAvoid( void )
{
if ( GetState() == NPC_STATE_SCRIPT )
return true;
if ( IsInAScript() )
return true;
if ( IsInLockedScene() == true )
return true;
if ( HasSpawnFlags( SF_NPC_ALTCOLLISION ) )
return true;
return false;
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::UpdateEfficiency( bool bInPVS )
{
// Sleeping NPCs always dormant
if ( GetSleepState() != AISS_AWAKE )
{
SetEfficiency( AIE_DORMANT );
return;
}
m_bInChoreo = ( GetState() == NPC_STATE_SCRIPT || IsCurSchedule( SCHED_SCENE_GENERIC, false ) );
if ( !ShouldUseEfficiency() )
{
SetEfficiency( AIE_NORMAL );
SetMoveEfficiency( AIME_NORMAL );
return;
}
//---------------------------------
CBasePlayer *pPlayer = AI_GetSinglePlayer();
static Vector vPlayerEyePosition;
static Vector vPlayerForward;
static int iPrevFrame = -1;
if ( gpGlobals->framecount != iPrevFrame )
{
iPrevFrame = gpGlobals->framecount;
if ( pPlayer )
{
pPlayer->EyePositionAndVectors( &vPlayerEyePosition, &vPlayerForward, NULL, NULL );
}
}
Vector vToNPC = GetAbsOrigin() - vPlayerEyePosition;
float playerDist = VectorNormalize( vToNPC );
bool bPlayerFacing;
bool bClientPVSExpanded = UTIL_ClientPVSIsExpanded();
if ( pPlayer )
{
bPlayerFacing = ( bClientPVSExpanded || ( bInPVS && vPlayerForward.Dot( vToNPC ) > 0 ) );
}
else
{
playerDist = 0;
bPlayerFacing = true;
}
//---------------------------------
bool bInVisibilityPVS = ( bClientPVSExpanded && UTIL_FindClientInVisibilityPVS( edict() ) != NULL );
//---------------------------------
if ( ( bInPVS && ( bPlayerFacing || playerDist < 25*12 ) ) || bClientPVSExpanded )
{
SetMoveEfficiency( AIME_NORMAL );
}
else
{
SetMoveEfficiency( AIME_EFFICIENT );
}
//---------------------------------
if ( !IsRetail() && ai_efficiency_override.GetInt() > AIE_NORMAL && ai_efficiency_override.GetInt() <= AIE_DORMANT )
{
SetEfficiency( (AI_Efficiency_t)ai_efficiency_override.GetInt() );
return;
}
//---------------------------------
// Some conditions will always force normal
if ( gpGlobals->curtime - GetLastAttackTime() < .15 )
{
SetEfficiency( AIE_NORMAL );
return;
}
bool bFramerateOk = ( gpGlobals->frametime < ai_frametime_limit.GetFloat() );
if ( m_bForceConditionsGather ||
gpGlobals->curtime - GetLastAttackTime() < .2 ||
gpGlobals->curtime - m_flLastDamageTime < .2 ||
( GetState() < NPC_STATE_IDLE || GetState() > NPC_STATE_SCRIPT ) ||
( ( bInPVS || bInVisibilityPVS ) &&
( ( GetTask() && !TaskIsRunning() ) ||
GetTaskInterrupt() > 0 ||
m_bInChoreo ) ) )
{
SetEfficiency( ( bFramerateOk ) ? AIE_NORMAL : AIE_EFFICIENT );
return;
}
AI_Efficiency_t minEfficiency;
if ( !ShouldDefaultEfficient() )
{
minEfficiency = ( bFramerateOk ) ? AIE_NORMAL : AIE_EFFICIENT;
}
else
{
minEfficiency = ( bFramerateOk ) ? AIE_EFFICIENT : AIE_VERY_EFFICIENT;
}
// Stay normal if there's any chance of a relevant danger sound
bool bPotentialDanger = false;
if ( GetSoundInterests() & SOUND_DANGER )
{
int iSound = CSoundEnt::ActiveList();
while ( iSound != SOUNDLIST_EMPTY )
{
CSound *pCurrentSound = CSoundEnt::SoundPointerForIndex( iSound );
float hearingSensitivity = HearingSensitivity();
Vector vEarPosition = EarPosition();
if ( pCurrentSound && (SOUND_DANGER & pCurrentSound->SoundType()) )
{
float flHearDistanceSq = pCurrentSound->Volume() * hearingSensitivity;
flHearDistanceSq *= flHearDistanceSq;
if ( pCurrentSound->GetSoundOrigin().DistToSqr( vEarPosition ) <= flHearDistanceSq )
{
bPotentialDanger = true;
break;
}
}
iSound = pCurrentSound->NextSound();
}
}
if ( bPotentialDanger )
{
SetEfficiency( minEfficiency );
return;
}
//---------------------------------
if ( !pPlayer )
{
// No heuristic currently for dedicated servers
SetEfficiency( minEfficiency );
return;
}
enum
{
DIST_NEAR,
DIST_MID,
DIST_FAR
};
int range;
if ( bInPVS )
{
if ( playerDist < 15*12 )
{
SetEfficiency( minEfficiency );
return;
}
range = ( playerDist < 50*12 ) ? DIST_NEAR :
( playerDist < 200*12 ) ? DIST_MID : DIST_FAR;
}
else
{
range = ( playerDist < 25*12 ) ? DIST_NEAR :
( playerDist < 100*12 ) ? DIST_MID : DIST_FAR;
}
// Efficiency mappings
int state = GetState();
if (state == NPC_STATE_SCRIPT ) // Treat script as alert. Already confirmed not in PVS
state = NPC_STATE_ALERT;
static AI_Efficiency_t mappings[] =
{
// Idle
// In PVS
// Facing
AIE_NORMAL,
AIE_EFFICIENT,
AIE_EFFICIENT,
// Not facing
AIE_EFFICIENT,
AIE_EFFICIENT,
AIE_VERY_EFFICIENT,
// Not in PVS
AIE_VERY_EFFICIENT,
AIE_SUPER_EFFICIENT,
AIE_SUPER_EFFICIENT,
// Alert
// In PVS
// Facing
AIE_NORMAL,
AIE_EFFICIENT,
AIE_EFFICIENT,
// Not facing
AIE_NORMAL,
AIE_EFFICIENT,
AIE_EFFICIENT,
// Not in PVS
AIE_EFFICIENT,
AIE_VERY_EFFICIENT,
AIE_SUPER_EFFICIENT,
// Combat
// In PVS
// Facing
AIE_NORMAL,
AIE_NORMAL,
AIE_EFFICIENT,
// Not facing
AIE_NORMAL,
AIE_EFFICIENT,
AIE_EFFICIENT,
// Not in PVS
AIE_NORMAL,
AIE_EFFICIENT,
AIE_VERY_EFFICIENT,
};
static const int stateBase[] = { 0, 9, 18 };
const int NOT_FACING_OFFSET = 3;
const int NO_PVS_OFFSET = 6;
int iStateOffset = stateBase[state - NPC_STATE_IDLE] ;
int iFacingOffset = (!bInPVS || bPlayerFacing) ? 0 : NOT_FACING_OFFSET;
int iPVSOffset = (bInPVS) ? 0 : NO_PVS_OFFSET;
int iMapping = iStateOffset + iPVSOffset + iFacingOffset + range;
Assert( iMapping < ARRAYSIZE( mappings ) );
AI_Efficiency_t efficiency = mappings[iMapping];
//---------------------------------
AI_Efficiency_t maxEfficiency = AIE_SUPER_EFFICIENT;
if ( bInVisibilityPVS && state >= NPC_STATE_ALERT )
{
maxEfficiency = AIE_EFFICIENT;
}
else if ( bInVisibilityPVS || HasCondition( COND_SEE_PLAYER ) )
{
maxEfficiency = AIE_VERY_EFFICIENT;
}
//---------------------------------
SetEfficiency( clamp( efficiency, minEfficiency, maxEfficiency ) );
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::UpdateSleepState( bool bInPVS )
{
if ( GetSleepState() > AISS_AWAKE )
{
CBasePlayer *pLocalPlayer = AI_GetSinglePlayer();
if ( !pLocalPlayer )
{
if ( gpGlobals->maxClients > 1 )
{
Wake();
}
else
{
Warning( "CAI_BaseNPC::UpdateSleepState called with NULL pLocalPlayer\n" );
}
return;
}
if ( m_flWakeRadius > .1 && !(pLocalPlayer->GetFlags() & FL_NOTARGET) && ( pLocalPlayer->GetAbsOrigin() - GetAbsOrigin() ).LengthSqr() <= Square(m_flWakeRadius) )
Wake();
else if ( GetSleepState() == AISS_WAITING_FOR_PVS )
{
if ( bInPVS )
Wake();
}
else if ( GetSleepState() == AISS_WAITING_FOR_THREAT )
{
if ( HasCondition( COND_LIGHT_DAMAGE ) || HasCondition( COND_HEAVY_DAMAGE ) )
Wake();
else
{
if ( bInPVS )
{
for (int i = 1; i <= gpGlobals->maxClients; i++ )
{
CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
if ( pPlayer && !(pPlayer->GetFlags() & FL_NOTARGET) && pPlayer->FVisible( this ) )
Wake();
}
}
// Should check for visible danger sounds
if ( (GetSoundInterests() & SOUND_DANGER) && !(HasSpawnFlags(SF_NPC_WAIT_TILL_SEEN)) )
{
int iSound = CSoundEnt::ActiveList();
while ( iSound != SOUNDLIST_EMPTY )
{
CSound *pCurrentSound = CSoundEnt::SoundPointerForIndex( iSound );
Assert( pCurrentSound );
if ( (pCurrentSound->SoundType() & SOUND_DANGER) &&
GetSenses()->CanHearSound( pCurrentSound ) &&
SoundIsVisible( pCurrentSound ))
{
Wake();
break;
}
iSound = pCurrentSound->NextSound();
}
}
}
}
}
else
{
// NPC is awake
// Don't let an NPC sleep if they're running a script!
if( !IsInAScript() && m_NPCState != NPC_STATE_SCRIPT )
{
if( HasSleepFlags(AI_SLEEP_FLAG_AUTO_PVS) )
{
if( !HasCondition(COND_IN_PVS) )
{
SetSleepState( AISS_WAITING_FOR_PVS );
Sleep();
}
}
if( HasSleepFlags(AI_SLEEP_FLAG_AUTO_PVS_AFTER_PVS) )
{
if( HasCondition(COND_IN_PVS) )
{
// OK, we're in the player's PVS. Now switch to regular old AUTO_PVS sleep rules.
AddSleepFlags(AI_SLEEP_FLAG_AUTO_PVS);
RemoveSleepFlags(AI_SLEEP_FLAG_AUTO_PVS_AFTER_PVS);
}
}
}
}
}
//-----------------------------------------------------------------------------
struct AIRebalanceInfo_t
{
CAI_BaseNPC * pNPC;
int iNextThinkTick;
bool bInPVS;
float dotPlayer;
float distPlayer;
};
int __cdecl ThinkRebalanceCompare( const AIRebalanceInfo_t *pLeft, const AIRebalanceInfo_t *pRight )
{
int base = pLeft->iNextThinkTick - pRight->iNextThinkTick;
if ( base != 0 )
return base;
if ( !pLeft->bInPVS && !pRight->bInPVS )
return 0;
if ( !pLeft->bInPVS )
return 1;
if ( !pRight->bInPVS )
return -1;
if ( pLeft->dotPlayer < 0 && pRight->dotPlayer < 0 )
return 0;
if ( pLeft->dotPlayer < 0 )
return 1;
if ( pRight->dotPlayer < 0 )
return -1;
const float NEAR_PLAYER = 50*12;
if ( pLeft->distPlayer < NEAR_PLAYER && pRight->distPlayer >= NEAR_PLAYER )
return -1;
if ( pRight->distPlayer < NEAR_PLAYER && pLeft->distPlayer >= NEAR_PLAYER )
return 1;
if ( pLeft->dotPlayer > pRight->dotPlayer )
return -1;
if ( pLeft->dotPlayer < pRight->dotPlayer )
return 1;
return 0;
}
inline bool CAI_BaseNPC::CanThinkRebalance()
{
if ( m_pfnThink != (BASEPTR)&CAI_BaseNPC::CallNPCThink )
{
return false;
}
if ( m_bInChoreo )
{
return false;
}
if ( m_NPCState == NPC_STATE_DEAD )
{
return false;
}
if ( GetSleepState() != AISS_AWAKE )
{
return false;
}
if ( !m_bUsingStandardThinkTime /*&& m_iFrameBlocked == -1 */ )
{
return false;
}
return true;
}
void CAI_BaseNPC::RebalanceThinks()
{
bool bDebugThinkTicks = ai_debug_think_ticks.GetBool();
if ( bDebugThinkTicks )
{
static int iPrevTick;
static int nThinksInTick;
static int nRebalanceableThinksInTick;
if ( gpGlobals->tickcount != iPrevTick )
{
DevMsg( "NPC per tick is %d [%d] (tick %d, frame %d)\n", nRebalanceableThinksInTick, nThinksInTick, iPrevTick, gpGlobals->framecount );
iPrevTick = gpGlobals->tickcount;
nThinksInTick = 0;
nRebalanceableThinksInTick = 0;
}
nThinksInTick++;
if ( CanThinkRebalance() )
nRebalanceableThinksInTick++;
}
if ( ShouldRebalanceThinks() && gpGlobals->tickcount >= gm_iNextThinkRebalanceTick )
{
AI_PROFILE_SCOPE(AI_Think_Rebalance );
static CUtlVector<AIRebalanceInfo_t> rebalanceCandidates( 16, 64 );
gm_iNextThinkRebalanceTick = gpGlobals->tickcount + TIME_TO_TICKS( random->RandomFloat( 3, 5) );
int i;
CBasePlayer *pPlayer = AI_GetSinglePlayer();
Vector vPlayerForward;
Vector vPlayerEyePosition;
vPlayerForward.Init();
vPlayerEyePosition.Init();
if ( pPlayer )
{
pPlayer->EyePositionAndVectors( &vPlayerEyePosition, &vPlayerForward, NULL, NULL );
}
int iTicksPer10Hz = TIME_TO_TICKS( .1 );
int iMinTickRebalance = gpGlobals->tickcount - 1; // -1 needed for alternate ticks
int iMaxTickRebalance = gpGlobals->tickcount + iTicksPer10Hz;
for ( i = 0; i < g_AI_Manager.NumAIs(); i++ )
{
CAI_BaseNPC *pCandidate = g_AI_Manager.AccessAIs()[i];
if ( pCandidate->CanThinkRebalance() &&
( pCandidate->GetNextThinkTick() >= iMinTickRebalance &&
pCandidate->GetNextThinkTick() < iMaxTickRebalance ) )
{
int iInfo = rebalanceCandidates.AddToTail();
rebalanceCandidates[iInfo].pNPC = pCandidate;
rebalanceCandidates[iInfo].iNextThinkTick = pCandidate->GetNextThinkTick();
if ( pCandidate->IsFlaggedEfficient() )
{
rebalanceCandidates[iInfo].bInPVS = false;
}
else if ( pPlayer )
{
Vector vToCandidate = pCandidate->EyePosition() - vPlayerEyePosition;
rebalanceCandidates[iInfo].bInPVS = ( UTIL_FindClientInPVS( pCandidate->edict() ) != NULL );
rebalanceCandidates[iInfo].distPlayer = VectorNormalize( vToCandidate );
rebalanceCandidates[iInfo].dotPlayer = vPlayerForward.Dot( vToCandidate );
}
else
{
rebalanceCandidates[iInfo].bInPVS = true;
rebalanceCandidates[iInfo].dotPlayer = 1;
rebalanceCandidates[iInfo].distPlayer = 0;
}
}
else if ( bDebugThinkTicks )
DevMsg( " Ignoring %d\n", pCandidate->GetNextThinkTick() );
}
if ( rebalanceCandidates.Count() )
{
rebalanceCandidates.Sort( ThinkRebalanceCompare );
int iMaxThinkersPerTick = ceil( (float)( rebalanceCandidates.Count() + 1 ) / (float)iTicksPer10Hz ); // +1 to account for "this"
int iCurTickDistributing = MIN( gpGlobals->tickcount, rebalanceCandidates[0].iNextThinkTick );
int iRemainingThinksToDistribute = iMaxThinkersPerTick - 1; // Start with one fewer first time because "this" is
// always gets a slot in the current tick to avoid complications
// in the calculation of "last think"
if ( bDebugThinkTicks )
{
DevMsg( "Rebalance %d!\n", rebalanceCandidates.Count() + 1 );
DevMsg( " Distributing %d\n", iCurTickDistributing );
}
for ( i = 0; i < rebalanceCandidates.Count(); i++ )
{
if ( iRemainingThinksToDistribute == 0 || rebalanceCandidates[i].iNextThinkTick > iCurTickDistributing )
{
if ( rebalanceCandidates[i].iNextThinkTick <= iCurTickDistributing )
{
iCurTickDistributing = iCurTickDistributing + 1;
}
else
{
iCurTickDistributing = rebalanceCandidates[i].iNextThinkTick;
}
if ( bDebugThinkTicks )
DevMsg( " Distributing %d\n", iCurTickDistributing );
iRemainingThinksToDistribute = iMaxThinkersPerTick;
}
if ( rebalanceCandidates[i].pNPC->GetNextThinkTick() != iCurTickDistributing )
{
if ( bDebugThinkTicks )
DevMsg( " Bumping %d to %d\n", rebalanceCandidates[i].pNPC->GetNextThinkTick(), iCurTickDistributing );
rebalanceCandidates[i].pNPC->SetNextThink( TICKS_TO_TIME( iCurTickDistributing ) );
}
else if ( bDebugThinkTicks )
{
DevMsg( " Leaving %d\n", rebalanceCandidates[i].pNPC->GetNextThinkTick() );
}
iRemainingThinksToDistribute--;
}
}
rebalanceCandidates.RemoveAll();
if ( bDebugThinkTicks )
{
DevMsg( "New distribution is:\n");
for ( i = 0; i < g_AI_Manager.NumAIs(); i++ )
{
DevMsg( " %d\n", g_AI_Manager.AccessAIs()[i]->GetNextThinkTick() );
}
}
Assert( GetNextThinkTick() == TICK_NEVER_THINK ); // never change this objects tick
}
}
static float g_NpcTimeThisFrame;
static float g_StartTimeCurThink;
bool CAI_BaseNPC::PreNPCThink()
{
static int iPrevFrame = -1;
static float frameTimeLimit = FLT_MAX;
static const ConVar *pHostTimescale;
if ( frameTimeLimit == FLT_MAX )
{
pHostTimescale = cvar->FindVar( "host_timescale" );
}
bool bUseThinkLimits = ( !m_bInChoreo && ShouldUseFrameThinkLimits() );
#ifdef _DEBUG
const float NPC_THINK_LIMIT = 30.0 / 1000.0;
#else
const float NPC_THINK_LIMIT = ( !IsXbox() ) ? (10.0 / 1000.0) : (12.5 / 1000.0);
#endif
g_StartTimeCurThink = 0;
if ( bUseThinkLimits && VCRGetMode() == VCR_Disabled )
{
if ( m_iFrameBlocked == gpGlobals->framecount )
{
DbgFrameLimitMsg( "Stalled %d (%d)\n", this, gpGlobals->framecount );
SetNextThink( gpGlobals->curtime );
return false;
}
else if ( gpGlobals->framecount != iPrevFrame )
{
DbgFrameLimitMsg( "--- FRAME: %d (%d)\n", this, gpGlobals->framecount );
float timescale = pHostTimescale->GetFloat();
if ( timescale < 1 )
timescale = 1;
iPrevFrame = gpGlobals->framecount;
frameTimeLimit = NPC_THINK_LIMIT * timescale;
g_NpcTimeThisFrame = 0;
}
else
{
if ( g_NpcTimeThisFrame > NPC_THINK_LIMIT )
{
float timeSinceLastRealThink = gpGlobals->curtime - m_flLastRealThinkTime;
// Don't bump anyone more that a quarter second
if ( timeSinceLastRealThink <= .25 )
{
DbgFrameLimitMsg( "Bumped %d (%d)\n", this, gpGlobals->framecount );
m_iFrameBlocked = gpGlobals->framecount;
SetNextThink( gpGlobals->curtime );
return false;
}
else
{
DbgFrameLimitMsg( "(Over %d )\n", this );
}
}
}
DbgFrameLimitMsg( "Running %d (%d)\n", this, gpGlobals->framecount );
g_StartTimeCurThink = engine->Time();
m_iFrameBlocked = -1;
m_nLastThinkTick = TIME_TO_TICKS( m_flLastRealThinkTime );
}
return true;
}
void CAI_BaseNPC::PostNPCThink( void )
{
if ( g_StartTimeCurThink != 0.0 && VCRGetMode() == VCR_Disabled )
{
g_NpcTimeThisFrame += engine->Time() - g_StartTimeCurThink;
}
}
void CAI_BaseNPC::CallNPCThink( void )
{
RebalanceThinks();
//---------------------------------
m_bUsingStandardThinkTime = false;
//---------------------------------
if ( !PreNPCThink() )
{
return;
}
// reduce cache queries by locking model in memory
MDLCACHE_CRITICAL_SECTION();
this->NPCThink();
m_flLastRealThinkTime = gpGlobals->curtime;
PostNPCThink();
}
bool NPC_CheckBrushExclude( CBaseEntity *pEntity, CBaseEntity *pBrush )
{
CAI_BaseNPC *pNPC = pEntity->MyNPCPointer();
if ( pNPC )
{
return pNPC->GetMoveProbe()->ShouldBrushBeIgnored( pBrush );
}
return false;
}
class CTraceFilterPlayerAvoidance : public CTraceFilterEntitiesOnly
{
public:
CTraceFilterPlayerAvoidance( const CBaseEntity *pEntity ) { m_pIgnore = pEntity; }
virtual bool ShouldHitEntity( IHandleEntity *pHandleEntity, int contentsMask )
{
CBaseEntity *pEntity = EntityFromEntityHandle( pHandleEntity );
if ( m_pIgnore == pEntity )
return false;
if ( pEntity->IsPlayer() )
return true;
return false;
}
private:
const CBaseEntity *m_pIgnore;
};
void CAI_BaseNPC::GetPlayerAvoidBounds( Vector *pMins, Vector *pMaxs )
{
*pMins = WorldAlignMins();
*pMaxs = WorldAlignMaxs();
}
ConVar ai_debug_avoidancebounds( "ai_debug_avoidancebounds", "0" );
void CAI_BaseNPC::SetPlayerAvoidState( void )
{
bool bShouldPlayerAvoid = false;
Vector vNothing;
GetSequenceLinearMotion( GetSequence(), &vNothing );
bool bIsMoving = ( IsMoving() || ( vNothing != vec3_origin ) );
//If we are coming out of a script, check if we are stuck inside the player.
if ( m_bPerformAvoidance || ( ShouldPlayerAvoid() && bIsMoving ) )
{
trace_t trace;
Vector vMins, vMaxs;
GetPlayerAvoidBounds( &vMins, &vMaxs );
CBasePlayer *pLocalPlayer = AI_GetSinglePlayer();
if ( pLocalPlayer )
{
bShouldPlayerAvoid = IsBoxIntersectingBox( GetAbsOrigin() + vMins, GetAbsOrigin() + vMaxs,
pLocalPlayer->GetAbsOrigin() + pLocalPlayer->WorldAlignMins(), pLocalPlayer->GetAbsOrigin() + pLocalPlayer->WorldAlignMaxs() );
}
if ( ai_debug_avoidancebounds.GetBool() )
{
int iRed = ( bShouldPlayerAvoid == true ) ? 255 : 0;
NDebugOverlay::Box( GetAbsOrigin(), vMins, vMaxs, iRed, 0, 255, 64, 0.1 );
}
}
m_bPlayerAvoidState = ShouldPlayerAvoid();
m_bPerformAvoidance = bShouldPlayerAvoid;
if ( GetCollisionGroup() == COLLISION_GROUP_NPC || GetCollisionGroup() == COLLISION_GROUP_NPC_ACTOR )
{
if ( m_bPerformAvoidance == true )
{
SetCollisionGroup( COLLISION_GROUP_NPC_ACTOR );
}
else
{
SetCollisionGroup( COLLISION_GROUP_NPC );
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Enables player avoidance when the player's vphysics shadow penetrates our vphysics shadow. This can
// happen when the player is hit by a combine ball, which pushes them into an adjacent npc. Subclasses should
// override this if it causes problems, but in general this will solve cases of the player getting stuck in
// the NPC from being pushed.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::PlayerPenetratingVPhysics( void )
{
m_bPerformAvoidance = true;
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::CheckPVSCondition()
{
bool bInPVS = ( UTIL_FindClientInPVS( edict() ) != NULL ) || (UTIL_ClientPVSIsExpanded() && UTIL_FindClientInVisibilityPVS( edict() ));
if ( bInPVS )
SetCondition( COND_IN_PVS );
else
ClearCondition( COND_IN_PVS );
return bInPVS;
}
//-----------------------------------------------------------------------------
// NPC Think - calls out to core AI functions and handles this
// npc's specific animation events
//
void CAI_BaseNPC::NPCThink( void )
{
if ( m_bCheckContacts )
{
CheckPhysicsContacts();
}
Assert( !(m_NPCState == NPC_STATE_DEAD && m_lifeState == LIFE_ALIVE) );
//---------------------------------
SetNextThink( TICK_NEVER_THINK );
//---------------------------------
bool bInPVS = CheckPVSCondition();
//---------------------------------
UpdateSleepState( bInPVS );
//---------------------------------
bool bRanDecision = false;
if ( GetEfficiency() < AIE_DORMANT && GetSleepState() == AISS_AWAKE )
{
static CFastTimer timer;
float thinkLimit = ai_show_think_tolerance.GetFloat();
if ( thinkLimit > 0 )
timer.Start();
if ( g_pAINetworkManager && g_pAINetworkManager->IsInitialized() )
{
VPROF_BUDGET( "NPCs", VPROF_BUDGETGROUP_NPCS );
AI_PROFILE_SCOPE_BEGIN_( GetClassScheduleIdSpace()->GetClassName() ); // need to use a string stable from map load to map load
SetPlayerAvoidState();
if ( PreThink() )
{
if ( m_flNextDecisionTime <= gpGlobals->curtime )
{
bRanDecision = true;
m_ScheduleState.bTaskRanAutomovement = false;
m_ScheduleState.bTaskUpdatedYaw = false;
RunAI();
}
else
{
if ( m_ScheduleState.bTaskRanAutomovement )
AutoMovement();
if ( m_ScheduleState.bTaskUpdatedYaw )
GetMotor()->UpdateYaw();
}
PostRun();
PerformMovement();
m_bIsMoving = IsMoving();
PostMovement();
SetSimulationTime( gpGlobals->curtime );
}
else
m_flTimeLastMovement = FLT_MAX;
AI_PROFILE_SCOPE_END();
}
if ( thinkLimit > 0 )
{
timer.End();
float thinkTime = g_AIRunTimer.GetDuration().GetMillisecondsF();
if ( thinkTime > thinkLimit )
{
int color = (int)RemapVal( thinkTime, thinkLimit, thinkLimit * 3, 96.0, 255.0 );
if ( color > 255 )
color = 255;
else if ( color < 96 )
color = 96;
Vector right;
Vector vecPoint;
vecPoint = EyePosition() + Vector( 0, 0, 12 );
GetVectors( NULL, &right, NULL );
NDebugOverlay::Line( vecPoint, vecPoint + Vector( 0, 0, 64 ), color, 0, 0, false , 1.0 );
NDebugOverlay::Line( vecPoint, vecPoint + Vector( 0, 0, 16 ) + right * 16, color, 0, 0, false , 1.0 );
NDebugOverlay::Line( vecPoint, vecPoint + Vector( 0, 0, 16 ) - right * 16, color, 0, 0, false , 1.0 );
}
}
}
m_bUsingStandardThinkTime = ( GetNextThinkTick() == TICK_NEVER_THINK );
UpdateEfficiency( bInPVS );
if ( m_bUsingStandardThinkTime )
{
static const char *ppszEfficiencies[] =
{
"AIE_NORMAL",
"AIE_EFFICIENT",
"AIE_VERY_EFFICIENT",
"AIE_SUPER_EFFICIENT",
"AIE_DORMANT",
};
static const char *ppszMoveEfficiencies[] =
{
"AIME_NORMAL",
"AIME_EFFICIENT",
};
if ( ai_debug_efficiency.GetBool() )
DevMsg( this, "Eff: %s, Move: %s\n", ppszEfficiencies[GetEfficiency()], ppszMoveEfficiencies[GetMoveEfficiency()] );
static float g_DecisionIntervals[] =
{
.1, // AIE_NORMAL
.2, // AIE_EFFICIENT
.4, // AIE_VERY_EFFICIENT
.6, // AIE_SUPER_EFFICIENT
};
if ( bRanDecision )
{
m_flNextDecisionTime = gpGlobals->curtime + g_DecisionIntervals[GetEfficiency()];
}
if ( GetMoveEfficiency() == AIME_NORMAL || GetEfficiency() == AIE_NORMAL )
{
SetNextThink( gpGlobals->curtime + .1 );
}
else
{
SetNextThink( gpGlobals->curtime + .2 );
}
}
else
{
m_flNextDecisionTime = 0;
}
}
//=========================================================
// CAI_BaseNPC - USE - will make a npc angry at whomever
// activated it.
//=========================================================
void CAI_BaseNPC::NPCUse ( CBaseEntity *pActivator, CBaseEntity *pCaller, USE_TYPE useType, float value )
{
return;
// Can't +USE NPCs running scripts
if ( GetState() == NPC_STATE_SCRIPT )
return;
if ( IsInAScript() )
return;
SetIdealState( NPC_STATE_ALERT );
}
//-----------------------------------------------------------------------------
// Purpose: Virtual function that allows us to have any npc ignore a set of
// shared conditions.
//
//-----------------------------------------------------------------------------
void CAI_BaseNPC::RemoveIgnoredConditions( void )
{
m_ConditionsPreIgnore = m_Conditions;
m_Conditions.And( m_InverseIgnoreConditions, &m_Conditions );
if ( m_NPCState == NPC_STATE_SCRIPT && m_hCine )
m_hCine->RemoveIgnoredConditions();
}
//=========================================================
// RangeAttack1Conditions
//=========================================================
int CAI_BaseNPC::RangeAttack1Conditions ( float flDot, float flDist )
{
if ( flDist < 64)
{
return COND_TOO_CLOSE_TO_ATTACK;
}
else if (flDist > 784)
{
return COND_TOO_FAR_TO_ATTACK;
}
else if (flDot < 0.5)
{
return COND_NOT_FACING_ATTACK;
}
return COND_CAN_RANGE_ATTACK1;
}
//=========================================================
// RangeAttack2Conditions
//=========================================================
int CAI_BaseNPC::RangeAttack2Conditions ( float flDot, float flDist )
{
if ( flDist < 64)
{
return COND_TOO_CLOSE_TO_ATTACK;
}
else if (flDist > 512)
{
return COND_TOO_FAR_TO_ATTACK;
}
else if (flDot < 0.5)
{
return COND_NOT_FACING_ATTACK;
}
return COND_CAN_RANGE_ATTACK2;
}
//=========================================================
// MeleeAttack1Conditions
//=========================================================
int CAI_BaseNPC::MeleeAttack1Conditions ( float flDot, float flDist )
{
if ( flDist > 64)
{
return COND_TOO_FAR_TO_ATTACK;
}
else if (flDot < 0.7)
{
return 0;
}
else if (GetEnemy() == NULL)
{
return 0;
}
// Decent fix to keep folks from kicking/punching hornets and snarks is to check the onground flag(sjb)
if ( GetEnemy()->GetFlags() & FL_ONGROUND )
{
return COND_CAN_MELEE_ATTACK1;
}
return 0;
}
//=========================================================
// MeleeAttack2Conditions
//=========================================================
int CAI_BaseNPC::MeleeAttack2Conditions ( float flDot, float flDist )
{
if ( flDist > 64)
{
return COND_TOO_FAR_TO_ATTACK;
}
else if (flDot < 0.7)
{
return 0;
}
return COND_CAN_MELEE_ATTACK2;
}
// Get capability mask
int CAI_BaseNPC::CapabilitiesGet( void ) const
{
int capability = m_afCapability;
if ( GetActiveWeapon() )
{
capability |= GetActiveWeapon()->CapabilitiesGet();
}
return capability;
}
// Set capability mask
int CAI_BaseNPC::CapabilitiesAdd( int capability )
{
m_afCapability |= capability;
return m_afCapability;
}
// Set capability mask
int CAI_BaseNPC::CapabilitiesRemove( int capability )
{
m_afCapability &= ~capability;
return m_afCapability;
}
// Clear capability mask
void CAI_BaseNPC::CapabilitiesClear( void )
{
m_afCapability = 0;
}
//=========================================================
// ClearAttacks - clear out all attack conditions
//=========================================================
void CAI_BaseNPC::ClearAttackConditions( )
{
// Clear all attack conditions
ClearCondition( COND_CAN_RANGE_ATTACK1 );
ClearCondition( COND_CAN_RANGE_ATTACK2 );
ClearCondition( COND_CAN_MELEE_ATTACK1 );
ClearCondition( COND_CAN_MELEE_ATTACK2 );
ClearCondition( COND_WEAPON_HAS_LOS );
ClearCondition( COND_WEAPON_BLOCKED_BY_FRIEND );
ClearCondition( COND_WEAPON_PLAYER_IN_SPREAD ); // Player in shooting direction
ClearCondition( COND_WEAPON_PLAYER_NEAR_TARGET ); // Player near shooting position
ClearCondition( COND_WEAPON_SIGHT_OCCLUDED );
}
//=========================================================
// GatherAttackConditions - sets all of the bits for attacks that the
// npc is capable of carrying out on the passed entity.
//=========================================================
void CAI_BaseNPC::GatherAttackConditions( CBaseEntity *pTarget, float flDist )
{
AI_PROFILE_SCOPE(CAI_BaseNPC_GatherAttackConditions);
Vector vecLOS = ( pTarget->GetAbsOrigin() - GetAbsOrigin() );
vecLOS.z = 0;
VectorNormalize( vecLOS );
Vector vBodyDir = BodyDirection2D( );
float flDot = DotProduct( vecLOS, vBodyDir );
// we know the enemy is in front now. We'll find which attacks the npc is capable of by
// checking for corresponding Activities in the model file, then do the simple checks to validate
// those attack types.
int capability;
Vector targetPos;
bool bWeaponHasLOS;
int condition;
capability = CapabilitiesGet();
// Clear all attack conditions
AI_PROFILE_SCOPE_BEGIN( CAI_BaseNPC_GatherAttackConditions_PrimaryWeaponLOS );
// @TODO (toml 06-15-03): There are simple cases where
// the upper torso of the enemy is visible, and the NPC is at an angle below
// them, but the above test fails because BodyTarget returns the center of
// the target. This needs some better handling/closer evaluation
// Try the eyes first, as likely to succeed (because can see or else wouldn't be here) thus reducing
// the odds of the need for a second trace
ClearAttackConditions();
targetPos = pTarget->EyePosition();
bWeaponHasLOS = CurrentWeaponLOSCondition( targetPos, true );
AI_PROFILE_SCOPE_END();
if ( !bWeaponHasLOS )
{
AI_PROFILE_SCOPE( CAI_BaseNPC_GatherAttackConditions_SecondaryWeaponLOS );
ClearAttackConditions( );
targetPos = pTarget->BodyTarget( GetAbsOrigin() );
bWeaponHasLOS = CurrentWeaponLOSCondition( targetPos, true );
}
else
{
SetCondition( COND_WEAPON_HAS_LOS );
}
bool bWeaponIsReady = (GetActiveWeapon() && !IsWeaponStateChanging());
// FIXME: move this out of here
if ( (capability & bits_CAP_WEAPON_RANGE_ATTACK1) && bWeaponIsReady )
{
AI_PROFILE_SCOPE( CAI_BaseNPC_GatherAttackConditions_WeaponRangeAttack1Condition );
condition = GetActiveWeapon()->WeaponRangeAttack1Condition(flDot, flDist);
if ( condition == COND_NOT_FACING_ATTACK && FInAimCone( targetPos ) )
DevMsg( "Warning: COND_NOT_FACING_ATTACK set but FInAimCone is true\n" );
if (condition != COND_CAN_RANGE_ATTACK1 || bWeaponHasLOS)
{
SetCondition(condition);
}
}
else if ( capability & bits_CAP_INNATE_RANGE_ATTACK1 )
{
AI_PROFILE_SCOPE( CAI_BaseNPC_GatherAttackConditions_RangeAttack1Condition );
condition = RangeAttack1Conditions( flDot, flDist );
if (condition != COND_CAN_RANGE_ATTACK1 || bWeaponHasLOS)
{
SetCondition(condition);
}
}
if ( (capability & bits_CAP_WEAPON_RANGE_ATTACK2) && bWeaponIsReady && ( GetActiveWeapon()->CapabilitiesGet() & bits_CAP_WEAPON_RANGE_ATTACK2 ) )
{
AI_PROFILE_SCOPE( CAI_BaseNPC_GatherAttackConditions_WeaponRangeAttack2Condition );
condition = GetActiveWeapon()->WeaponRangeAttack2Condition(flDot, flDist);
if (condition != COND_CAN_RANGE_ATTACK2 || bWeaponHasLOS)
{
SetCondition(condition);
}
}
else if ( capability & bits_CAP_INNATE_RANGE_ATTACK2 )
{
AI_PROFILE_SCOPE( CAI_BaseNPC_GatherAttackConditions_RangeAttack2Condition );
condition = RangeAttack2Conditions( flDot, flDist );
if (condition != COND_CAN_RANGE_ATTACK2 || bWeaponHasLOS)
{
SetCondition(condition);
}
}
if ( (capability & bits_CAP_WEAPON_MELEE_ATTACK1) && bWeaponIsReady)
{
AI_PROFILE_SCOPE( CAI_BaseNPC_GatherAttackConditions_WeaponMeleeAttack1Condition );
SetCondition(GetActiveWeapon()->WeaponMeleeAttack1Condition(flDot, flDist));
}
else if ( capability & bits_CAP_INNATE_MELEE_ATTACK1 )
{
AI_PROFILE_SCOPE( CAI_BaseNPC_GatherAttackConditions_MeleeAttack1Condition );
SetCondition(MeleeAttack1Conditions ( flDot, flDist ));
}
if ( (capability & bits_CAP_WEAPON_MELEE_ATTACK2) && bWeaponIsReady)
{
AI_PROFILE_SCOPE( CAI_BaseNPC_GatherAttackConditions_WeaponMeleeAttack2Condition );
SetCondition(GetActiveWeapon()->WeaponMeleeAttack2Condition(flDot, flDist));
}
else if ( capability & bits_CAP_INNATE_MELEE_ATTACK2 )
{
AI_PROFILE_SCOPE( CAI_BaseNPC_GatherAttackConditions_MeleeAttack2Condition );
SetCondition(MeleeAttack2Conditions ( flDot, flDist ));
}
// -----------------------------------------------------------------
// If any attacks are possible clear attack specific bits
// -----------------------------------------------------------------
if (HasCondition(COND_CAN_RANGE_ATTACK2) ||
HasCondition(COND_CAN_RANGE_ATTACK1) ||
HasCondition(COND_CAN_MELEE_ATTACK2) ||
HasCondition(COND_CAN_MELEE_ATTACK1) )
{
ClearCondition(COND_TOO_CLOSE_TO_ATTACK);
ClearCondition(COND_TOO_FAR_TO_ATTACK);
ClearCondition(COND_WEAPON_BLOCKED_BY_FRIEND);
}
}
//=========================================================
// SetState
//=========================================================
void CAI_BaseNPC::SetState( NPC_STATE State )
{
NPC_STATE OldState;
OldState = m_NPCState;
if ( State != m_NPCState )
{
m_flLastStateChangeTime = gpGlobals->curtime;
}
switch( State )
{
// Drop enemy pointers when going to idle
case NPC_STATE_IDLE:
if ( GetEnemy() != NULL )
{
SetEnemy( NULL ); // not allowed to have an enemy anymore.
DevMsg( 2, "Stripped\n" );
}
break;
}
bool fNotifyChange = false;
if( m_NPCState != State )
{
// Don't notify if we're changing to a state we're already in!
fNotifyChange = true;
}
m_NPCState = State;
SetIdealState( State );
// Notify the character that its state has changed.
if( fNotifyChange )
{
OnStateChange( OldState, m_NPCState );
}
}
bool CAI_BaseNPC::WokeThisTick() const
{
return m_nWakeTick == gpGlobals->tickcount ? true : false;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CAI_BaseNPC::Wake( bool bFireOutput )
{
if ( GetSleepState() != AISS_AWAKE )
{
m_nWakeTick = gpGlobals->tickcount;
SetSleepState( AISS_AWAKE );
RemoveEffects( EF_NODRAW );
if ( bFireOutput )
m_OnWake.FireOutput( this, this );
if ( m_bWakeSquad && GetSquad() )
{
AISquadIter_t iter;
for ( CAI_BaseNPC *pSquadMember = GetSquad()->GetFirstMember( &iter ); pSquadMember; pSquadMember = GetSquad()->GetNextMember( &iter ) )
{
if ( pSquadMember->IsAlive() && pSquadMember != this )
{
pSquadMember->m_bWakeSquad = false;
pSquadMember->Wake();
}
}
}
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CAI_BaseNPC::Sleep()
{
// Don't render.
AddEffects( EF_NODRAW );
if( GetState() == NPC_STATE_SCRIPT )
{
Warning( "%s put to sleep while in Scripted state!\n", GetClassname() );
}
VacateStrategySlot();
// Slam my schedule.
SetSchedule( SCHED_SLEEP );
m_OnSleep.FireOutput( this, this );
}
//-----------------------------------------------------------------------------
// Sets all sensing-related conditions
//-----------------------------------------------------------------------------
void CAI_BaseNPC::PerformSensing( void )
{
GetSenses()->PerformSensing();
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ClearSenseConditions( void )
{
static int conditionsToClear[] =
{
COND_SEE_HATE,
COND_SEE_DISLIKE,
COND_SEE_ENEMY,
COND_SEE_FEAR,
COND_SEE_NEMESIS,
COND_SEE_PLAYER,
COND_HEAR_DANGER,
COND_HEAR_COMBAT,
COND_HEAR_WORLD,
COND_HEAR_PLAYER,
COND_HEAR_THUMPER,
COND_HEAR_BUGBAIT,
COND_HEAR_PHYSICS_DANGER,
COND_HEAR_MOVE_AWAY,
COND_SMELL,
};
ClearConditions( conditionsToClear, ARRAYSIZE( conditionsToClear ) );
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CheckOnGround( void )
{
bool bScriptedWait = ( IsCurSchedule( SCHED_WAIT_FOR_SCRIPT ) || ( m_hCine && m_scriptState == CAI_BaseNPC::SCRIPT_WAIT ) );
if ( !bScriptedWait && !HasCondition( COND_FLOATING_OFF_GROUND ) )
{
// parented objects are never floating
if (GetMoveParent() != NULL)
return;
// NPCs in scripts with the fly flag shouldn't fall.
// FIXME: should NPCS with FL_FLY ever fall? Doesn't seem like they should.
if ( ( GetState() == NPC_STATE_SCRIPT ) && ( GetFlags() & FL_FLY ) )
return;
if ( ( GetNavType() == NAV_GROUND ) && ( GetMoveType() != MOVETYPE_VPHYSICS ) && ( GetMoveType() != MOVETYPE_NONE ) )
{
if ( m_CheckOnGroundTimer.Expired() )
{
m_CheckOnGroundTimer.Set(0.5);
// check a shrunk box centered around the foot
Vector maxs = WorldAlignMaxs();
Vector mins = WorldAlignMins();
if ( mins != maxs ) // some NPCs have no hull, so mins == maxs == vec3_origin
{
maxs -= Vector( 0.0f, 0.0f, 0.2f );
Vector vecStart = GetAbsOrigin() + Vector( 0, 0, .1f );
Vector vecDown = GetAbsOrigin();
vecDown.z -= 4.0;
trace_t trace;
m_pMoveProbe->TraceHull( vecStart, vecDown, mins, maxs, MASK_NPCSOLID, &trace );
if (trace.fraction == 1.0)
{
SetCondition( COND_FLOATING_OFF_GROUND );
SetGroundEntity( NULL );
}
else
{
if ( trace.startsolid && trace.m_pEnt->GetMoveType() == MOVETYPE_VPHYSICS &&
trace.m_pEnt->VPhysicsGetObject() && trace.m_pEnt->VPhysicsGetObject()->GetMass() < VPHYSICS_LARGE_OBJECT_MASS )
{
// stuck inside a small physics object?
m_CheckOnGroundTimer.Set(0.1f);
NPCPhysics_CreateSolver( this, trace.m_pEnt, true, 0.25f );
if ( VPhysicsGetObject() )
{
VPhysicsGetObject()->RecheckContactPoints();
}
}
// Check to see if someone changed the ground on us...
if ( trace.m_pEnt && trace.m_pEnt != GetGroundEntity() )
{
SetGroundEntity( trace.m_pEnt );
}
}
}
}
}
}
else
{
// parented objects are never floating
if ( bScriptedWait || GetMoveParent() != NULL || (GetFlags() & FL_ONGROUND ) || GetNavType() != NAV_GROUND )
{
ClearCondition( COND_FLOATING_OFF_GROUND );
}
}
}
void CAI_BaseNPC::NotifyPushMove()
{
// don't recheck ground when I'm being push-moved
m_CheckOnGroundTimer.Set( 0.5f );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::CanFlinch( void )
{
if ( IsCurSchedule( SCHED_BIG_FLINCH ) )
return false;
if ( m_flNextFlinchTime >= gpGlobals->curtime )
return false;
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CheckFlinches( void )
{
// If we're currently flinching, don't allow gesture flinches to be overlaid
if ( IsCurSchedule( SCHED_BIG_FLINCH ) )
{
ClearCondition( COND_LIGHT_DAMAGE );
ClearCondition( COND_HEAVY_DAMAGE );
}
// If we've taken heavy damage, try to do a full schedule flinch
if ( HasCondition(COND_HEAVY_DAMAGE) )
{
// If we've already flinched recently, gesture flinch instead.
if ( HasMemory(bits_MEMORY_FLINCHED) )
{
// Clear the heavy damage condition so we don't interrupt schedules
// when we play a gesture flinch because we recently did a full flinch.
// Prevents the player from stun-locking enemies, even though they don't full flinch.
ClearCondition( COND_HEAVY_DAMAGE );
}
else if ( !HasInterruptCondition(COND_HEAVY_DAMAGE) )
{
// If we have taken heavy damage, but the current schedule doesn't
// break on that, resort to just playing a gesture flinch.
PlayFlinchGesture();
}
// Otherwise, do nothing. The heavy damage will interrupt our schedule and we'll flinch.
}
else if ( HasCondition( COND_LIGHT_DAMAGE ) )
{
// If we have taken light damage play gesture flinches
PlayFlinchGesture();
}
// If it's been a while since we did a full flinch, forget that we flinched so we'll flinch fully again
if ( HasMemory(bits_MEMORY_FLINCHED) && gpGlobals->curtime > m_flNextFlinchTime )
{
Forget(bits_MEMORY_FLINCHED);
}
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::GatherConditions( void )
{
m_bConditionsGathered = true;
g_AIConditionsTimer.Start();
if( gpGlobals->curtime > m_flTimePingEffect && m_flTimePingEffect > 0.0f )
{
// Turn off the pinging.
DispatchUpdateTransmitState();
m_flTimePingEffect = 0.0f;
}
if ( m_NPCState != NPC_STATE_NONE && m_NPCState != NPC_STATE_DEAD )
{
if ( FacingIdeal() )
Forget( bits_MEMORY_TURNING );
bool bForcedGather = m_bForceConditionsGather;
m_bForceConditionsGather = false;
if ( m_pfnThink != (BASEPTR)&CAI_BaseNPC::CallNPCThink )
{
if ( UTIL_FindClientInPVS( edict() ) != NULL )
SetCondition( COND_IN_PVS );
else
ClearCondition( COND_IN_PVS );
}
// Sample the environment. Do this unconditionally if there is a player in this
// npc's PVS. NPCs in COMBAT state are allowed to simulate when there is no player in
// the same PVS. This is so that any fights in progress will continue even if the player leaves the PVS.
if ( !IsFlaggedEfficient() &&
( bForcedGather ||
HasCondition( COND_IN_PVS ) ||
ShouldAlwaysThink() ||
m_NPCState == NPC_STATE_COMBAT ) )
{
CheckOnGround();
if ( ShouldPlayIdleSound() )
{
AI_PROFILE_SCOPE(CAI_BaseNPC_IdleSound);
IdleSound();
}
PerformSensing();
GetEnemies()->RefreshMemories();
ChooseEnemy();
// Check to see if there is a better weapon available
if (Weapon_IsBetterAvailable())
{
SetCondition(COND_BETTER_WEAPON_AVAILABLE);
}
if ( GetCurSchedule() &&
( m_NPCState == NPC_STATE_IDLE || m_NPCState == NPC_STATE_ALERT) &&
GetEnemy() &&
!HasCondition( COND_NEW_ENEMY ) &&
GetCurSchedule()->HasInterrupt( COND_NEW_ENEMY ) )
{
// @Note (toml 05-05-04): There seems to be a case where an NPC can not respond
// to COND_NEW_ENEMY. Only evidence right now is save
// games after the fact, so for now, just patching it up
DevMsg( 2, "Had to force COND_NEW_ENEMY\n" );
SetCondition(COND_NEW_ENEMY);
}
}
else
{
// if not done, can have problems if leave PVS in same frame heard/saw things,
// since only PerformSensing clears conditions
ClearSenseConditions();
}
// do these calculations if npc has an enemy.
if ( GetEnemy() != NULL )
{
if ( !IsFlaggedEfficient() )
{
GatherEnemyConditions( GetEnemy() );
m_flLastEnemyTime = gpGlobals->curtime;
}
else
{
SetEnemy( NULL );
}
}
// do these calculations if npc has a target
if ( GetTarget() != NULL )
{
CheckTarget( GetTarget() );
}
CheckAmmo();
CheckFlinches();
CheckSquad();
}
else
ClearCondition( COND_IN_PVS );
g_AIConditionsTimer.End();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::PrescheduleThink( void )
{
#ifdef HL2_EPISODIC
CheckForScriptedNPCInteractions();
#endif
// If we use weapons, and our desired weapon state is not the current, fix it
if( (CapabilitiesGet() & bits_CAP_USE_WEAPONS) && (m_iDesiredWeaponState == DESIREDWEAPONSTATE_HOLSTERED || m_iDesiredWeaponState == DESIREDWEAPONSTATE_UNHOLSTERED || m_iDesiredWeaponState == DESIREDWEAPONSTATE_HOLSTERED_DESTROYED ) )
{
if ( IsAlive() && !IsInAScript() )
{
if ( !IsCurSchedule( SCHED_MELEE_ATTACK1, false ) && !IsCurSchedule( SCHED_MELEE_ATTACK2, false ) &&
!IsCurSchedule( SCHED_RANGE_ATTACK1, false ) && !IsCurSchedule( SCHED_RANGE_ATTACK2, false ) )
{
if ( m_iDesiredWeaponState == DESIREDWEAPONSTATE_HOLSTERED || m_iDesiredWeaponState == DESIREDWEAPONSTATE_HOLSTERED_DESTROYED )
{
HolsterWeapon();
}
else if ( m_iDesiredWeaponState == DESIREDWEAPONSTATE_UNHOLSTERED )
{
UnholsterWeapon();
}
}
}
else
{
// Throw away the request
m_iDesiredWeaponState = DESIREDWEAPONSTATE_IGNORE;
}
}
}
//-----------------------------------------------------------------------------
// Main entry point for processing AI
//-----------------------------------------------------------------------------
void CAI_BaseNPC::RunAI( void )
{
AI_PROFILE_SCOPE(CAI_BaseNPC_RunAI);
g_AIRunTimer.Start();
if( ai_debug_squads.GetBool() )
{
if( IsInSquad() && GetSquad() && !CAI_Squad::IsSilentMember(this ) && ( GetSquad()->IsLeader( this ) || GetSquad()->NumMembers() == 1 ) )
{
AISquadIter_t iter;
CAI_Squad *pSquad = GetSquad();
Vector right;
Vector vecPoint;
vecPoint = EyePosition() + Vector( 0, 0, 12 );
GetVectors( NULL, &right, NULL );
NDebugOverlay::Line( vecPoint, vecPoint + Vector( 0, 0, 64 ), 0, 255, 0, false , 0.1 );
NDebugOverlay::Line( vecPoint, vecPoint + Vector( 0, 0, 32 ) + right * 32, 0, 255, 0, false , 0.1 );
NDebugOverlay::Line( vecPoint, vecPoint + Vector( 0, 0, 32 ) - right * 32, 0, 255, 0, false , 0.1 );
for ( CAI_BaseNPC *pSquadMember = pSquad->GetFirstMember( &iter, false ); pSquadMember; pSquadMember = pSquad->GetNextMember( &iter, false ) )
{
if ( pSquadMember != this )
NDebugOverlay::Line( EyePosition(), pSquadMember->EyePosition(), 0,
CAI_Squad::IsSilentMember(pSquadMember) ? 127 : 255, 0, false , 0.1 );
}
}
}
if( ai_debug_loners.GetBool() && !IsInSquad() && AI_IsSinglePlayer() )
{
Vector right;
Vector vecPoint;
vecPoint = EyePosition() + Vector( 0, 0, 12 );
UTIL_GetLocalPlayer()->GetVectors( NULL, &right, NULL );
NDebugOverlay::Line( vecPoint, vecPoint + Vector( 0, 0, 64 ), 255, 0, 0, false , 0.1 );
NDebugOverlay::Line( vecPoint, vecPoint + Vector( 0, 0, 32 ) + right * 32, 255, 0, 0, false , 0.1 );
NDebugOverlay::Line( vecPoint, vecPoint + Vector( 0, 0, 32 ) - right * 32, 255, 0, 0, false , 0.1 );
}
#ifdef _DEBUG
m_bSelected = ( (m_debugOverlays & OVERLAY_NPC_SELECTED_BIT) != 0 );
#endif
m_bConditionsGathered = false;
m_bSkippedChooseEnemy = false;
if ( g_pDeveloper->GetInt() && !GetNavigator()->IsOnNetwork() )
{
AddTimedOverlay( "NPC w/no reachable nodes!", 5 );
}
AI_PROFILE_SCOPE_BEGIN(CAI_BaseNPC_RunAI_GatherConditions);
GatherConditions();
RemoveIgnoredConditions();
AI_PROFILE_SCOPE_END();
if ( !m_bConditionsGathered )
m_bConditionsGathered = true; // derived class didn't call to base
TryRestoreHull();
g_AIPrescheduleThinkTimer.Start();
AI_PROFILE_SCOPE_BEGIN(CAI_RunAI_PrescheduleThink);
PrescheduleThink();
AI_PROFILE_SCOPE_END();
g_AIPrescheduleThinkTimer.End();
MaintainSchedule();
PostscheduleThink();
ClearTransientConditions();
g_AIRunTimer.End();
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ClearTransientConditions()
{
// if the npc didn't use these conditions during the above call to MaintainSchedule()
// we throw them out cause we don't want them sitting around through the lifespan of a schedule
// that doesn't use them.
ClearCondition( COND_LIGHT_DAMAGE );
ClearCondition( COND_HEAVY_DAMAGE );
ClearCondition( COND_PHYSICS_DAMAGE );
ClearCondition( COND_PLAYER_PUSHING );
}
//-----------------------------------------------------------------------------
// Selecting the idle ideal state
//-----------------------------------------------------------------------------
NPC_STATE CAI_BaseNPC::SelectIdleIdealState()
{
// IDLE goes to ALERT upon hearing a sound
// IDLE goes to ALERT upon being injured
// IDLE goes to ALERT upon seeing food
// IDLE goes to COMBAT upon sighting an enemy
if ( HasCondition(COND_NEW_ENEMY) ||
HasCondition(COND_SEE_ENEMY) )
{
// new enemy! This means an idle npc has seen someone it dislikes, or
// that a npc in combat has found a more suitable target to attack
return NPC_STATE_COMBAT;
}
// Set our ideal yaw if we've taken damage
if ( HasCondition(COND_LIGHT_DAMAGE) ||
HasCondition(COND_HEAVY_DAMAGE) ||
(!GetEnemy() && gpGlobals->curtime - GetEnemies()->LastTimeSeen( AI_UNKNOWN_ENEMY ) < TIME_CARE_ABOUT_DAMAGE ) )
{
Vector vecEnemyLKP;
// Fill in where we're trying to look
if ( GetEnemy() )
{
vecEnemyLKP = GetEnemyLKP();
}
else
{
if ( GetEnemies()->Find( AI_UNKNOWN_ENEMY ) )
{
vecEnemyLKP = GetEnemies()->LastKnownPosition( AI_UNKNOWN_ENEMY );
}
else
{
// Don't have an enemy, so face the direction the last attack came from (don't face north)
vecEnemyLKP = WorldSpaceCenter() + ( g_vecAttackDir * 128 );
}
}
// Set the ideal
GetMotor()->SetIdealYawToTarget( vecEnemyLKP );
return NPC_STATE_ALERT;
}
if ( HasCondition(COND_HEAR_DANGER) ||
HasCondition(COND_HEAR_COMBAT) ||
HasCondition(COND_HEAR_WORLD) ||
HasCondition(COND_HEAR_PLAYER) ||
HasCondition(COND_HEAR_THUMPER) ||
HasCondition(COND_HEAR_BULLET_IMPACT) )
{
// Interrupted by a sound. So make our ideal yaw the
// source of the sound!
CSound *pSound;
pSound = GetBestSound();
Assert( pSound != NULL );
if ( pSound )
{
// BRJ 1/7/04: This code used to set the ideal yaw.
// It's really side-effecty to set the yaw here.
// That is now done by the FACE_BESTSOUND schedule.
// Revert this change if it causes problems.
GetMotor()->SetIdealYawToTarget( pSound->GetSoundReactOrigin() );
if ( pSound->IsSoundType( SOUND_COMBAT | SOUND_DANGER | SOUND_BULLET_IMPACT ) )
{
return NPC_STATE_ALERT;
}
}
}
if ( HasInterruptCondition(COND_SMELL) )
{
return NPC_STATE_ALERT;
}
return NPC_STATE_INVALID;
}
//-----------------------------------------------------------------------------
// Selecting the alert ideal state
//-----------------------------------------------------------------------------
NPC_STATE CAI_BaseNPC::SelectAlertIdealState()
{
// ALERT goes to IDLE upon becoming bored
// ALERT goes to COMBAT upon sighting an enemy
if ( HasCondition(COND_NEW_ENEMY) ||
HasCondition(COND_SEE_ENEMY) ||
GetEnemy() != NULL )
{
return NPC_STATE_COMBAT;
}
// Set our ideal yaw if we've taken damage
if ( HasCondition(COND_LIGHT_DAMAGE) ||
HasCondition(COND_HEAVY_DAMAGE) ||
(!GetEnemy() && gpGlobals->curtime - GetEnemies()->LastTimeSeen( AI_UNKNOWN_ENEMY ) < TIME_CARE_ABOUT_DAMAGE ) )
{
Vector vecEnemyLKP;
// Fill in where we're trying to look
if ( GetEnemy() )
{
vecEnemyLKP = GetEnemyLKP();
}
else
{
if ( GetEnemies()->Find( AI_UNKNOWN_ENEMY ) )
{
vecEnemyLKP = GetEnemies()->LastKnownPosition( AI_UNKNOWN_ENEMY );
}
else
{
// Don't have an enemy, so face the direction the last attack came from (don't face north)
vecEnemyLKP = WorldSpaceCenter() + ( g_vecAttackDir * 128 );
}
}
// Set the ideal
GetMotor()->SetIdealYawToTarget( vecEnemyLKP );
return NPC_STATE_ALERT;
}
if ( HasCondition(COND_HEAR_DANGER) ||
HasCondition(COND_HEAR_COMBAT) )
{
CSound *pSound = GetBestSound();
AssertOnce( pSound != NULL );
if ( pSound )
{
GetMotor()->SetIdealYawToTarget( pSound->GetSoundReactOrigin() );
}
return NPC_STATE_ALERT;
}
if ( ShouldGoToIdleState() )
{
return NPC_STATE_IDLE;
}
return NPC_STATE_INVALID;
}
//-----------------------------------------------------------------------------
// Selecting the alert ideal state
//-----------------------------------------------------------------------------
NPC_STATE CAI_BaseNPC::SelectScriptIdealState()
{
if ( HasCondition(COND_TASK_FAILED) ||
HasCondition(COND_LIGHT_DAMAGE) ||
HasCondition(COND_HEAVY_DAMAGE) )
{
ExitScriptedSequence(); // This will set the ideal state
}
if ( m_IdealNPCState == NPC_STATE_IDLE )
{
// Exiting a script. Select the ideal state assuming we were idle now.
m_NPCState = NPC_STATE_IDLE;
NPC_STATE eIdealState = SelectIdealState();
m_NPCState = NPC_STATE_SCRIPT;
return eIdealState;
}
return NPC_STATE_INVALID;
}
//-----------------------------------------------------------------------------
// Purpose: Surveys the Conditions information available and finds the best
// new state for a npc.
//
// NOTICE the CAI_BaseNPC implementation of this function does not care about
// private conditions!
//
// Output : NPC_STATE - the suggested ideal state based on current conditions.
//-----------------------------------------------------------------------------
NPC_STATE CAI_BaseNPC::SelectIdealState( void )
{
// dvs: FIXME: lots of side effecty code in here!! this function should ONLY return an ideal state!
// ---------------------------
// Do some squad stuff first
// ---------------------------
if (m_pSquad)
{
switch( m_NPCState )
{
case NPC_STATE_IDLE:
case NPC_STATE_ALERT:
if ( HasCondition ( COND_NEW_ENEMY ) )
{
m_pSquad->SquadNewEnemy( GetEnemy() );
}
break;
}
}
// ---------------------------
// Set ideal state
// ---------------------------
switch ( m_NPCState )
{
case NPC_STATE_IDLE:
{
NPC_STATE nState = SelectIdleIdealState();
if ( nState != NPC_STATE_INVALID )
return nState;
}
break;
case NPC_STATE_ALERT:
{
NPC_STATE nState = SelectAlertIdealState();
if ( nState != NPC_STATE_INVALID )
return nState;
}
break;
case NPC_STATE_COMBAT:
// COMBAT goes to ALERT upon death of enemy
{
if ( GetEnemy() == NULL )
{
DevWarning( 2, "***Combat state with no enemy!\n" );
return NPC_STATE_ALERT;
}
break;
}
case NPC_STATE_SCRIPT:
{
NPC_STATE nState = SelectScriptIdealState();
if ( nState != NPC_STATE_INVALID )
return nState;
}
break;
case NPC_STATE_DEAD:
return NPC_STATE_DEAD;
}
// The best ideal state is the current ideal state.
return m_IdealNPCState;
}
//------------------------------------------------------------------------------
//------------------------------------------------------------------------------
void CAI_BaseNPC::GiveWeapon( string_t iszWeaponName )
{
CBaseCombatWeapon *pWeapon = Weapon_Create( STRING(iszWeaponName) );
if ( !pWeapon )
{
Warning( "Couldn't create weapon %s to give NPC %s.\n", STRING(iszWeaponName), STRING(GetEntityName()) );
return;
}
// If I have a weapon already, drop it
if ( GetActiveWeapon() )
{
Weapon_Drop( GetActiveWeapon() );
}
// If I have a name, make my weapon match it with "_weapon" appended
if ( GetEntityName() != NULL_STRING )
{
pWeapon->SetName( AllocPooledString(UTIL_VarArgs("%s_weapon", STRING(GetEntityName()) )) );
}
Weapon_Equip( pWeapon );
// Handle this case
OnGivenWeapon( pWeapon );
}
//-----------------------------------------------------------------------------
// Rather specific function that tells us if an NPC is in the process of
// moving to a weapon with the intent to pick it up.
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsMovingToPickupWeapon()
{
return IsCurSchedule( SCHED_NEW_WEAPON );
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::ShouldLookForBetterWeapon()
{
if( m_flNextWeaponSearchTime > gpGlobals->curtime )
return false;
if( !(CapabilitiesGet() & bits_CAP_USE_WEAPONS) )
return false;
// Already armed and currently fighting. Don't try to upgrade.
if( GetActiveWeapon() && m_NPCState == NPC_STATE_COMBAT )
return false;
if( IsMovingToPickupWeapon() )
return false;
if( !IsPlayerAlly() && GetActiveWeapon() )
return false;
if( IsInAScript() )
return false;
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Check if a better weapon is available.
// For now check if there is a weapon and I don't have one. In
// the future
// UNDONE: actually rate the weapons based on there strength
// Input :
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::Weapon_IsBetterAvailable()
{
if( m_iszPendingWeapon != NULL_STRING )
{
// Some weapon is reserved for us.
return true;
}
if( ShouldLookForBetterWeapon() )
{
if( GetActiveWeapon() )
{
m_flNextWeaponSearchTime = gpGlobals->curtime + 2;
}
else
{
if( IsInPlayerSquad() )
{
// Look for a weapon frequently.
m_flNextWeaponSearchTime = gpGlobals->curtime + 1;
}
else
{
m_flNextWeaponSearchTime = gpGlobals->curtime + 2;
}
}
if ( Weapon_FindUsable( WEAPON_SEARCH_DELTA ) )
{
return true;
}
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Returns true is weapon has a line of sight. If bSetConditions is
// true, also sets LOC conditions
// Input :
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::WeaponLOSCondition(const Vector &ownerPos, const Vector &targetPos, bool bSetConditions )
{
#if 0
// @TODO (toml 03-07-04): this code might be better (not tested)
Vector vecLocalRelativePosition;
VectorITransform( npcOwner->Weapon_ShootPosition(), npcOwner->EntityToWorldTransform(), vecLocalRelativePosition );
// Compute desired test transform
// Compute desired x axis
Vector xaxis;
VectorSubtract( targetPos, ownerPos, xaxis );
// FIXME: Insert angle test here?
float flAngle = acos( xaxis.z / xaxis.Length() );
xaxis.z = 0.0f;
float flLength = VectorNormalize( xaxis );
if ( flLength < 1e-3 )
return false;
Vector yaxis( -xaxis.y, xaxis.x, 0.0f );
matrix3x4_t losTestToWorld;
MatrixInitialize( losTestToWorld, ownerPos, xaxis, yaxis, zaxis );
Vector barrelPos;
VectorTransform( vecLocalRelativePosition, losTestToWorld, barrelPos );
#endif
bool bHaveLOS = true;
if (GetActiveWeapon())
{
bHaveLOS = GetActiveWeapon()->WeaponLOSCondition(ownerPos, targetPos, bSetConditions);
}
else if (CapabilitiesGet() & bits_CAP_INNATE_RANGE_ATTACK1)
{
bHaveLOS = InnateWeaponLOSCondition(ownerPos, targetPos, bSetConditions);
}
else
{
if (bSetConditions)
{
SetCondition( COND_NO_WEAPON );
}
bHaveLOS = false;
}
// -------------------------------------------
// Check for friendly fire with the player
// -------------------------------------------
if ( CapabilitiesGet() & ( bits_CAP_NO_HIT_PLAYER | bits_CAP_NO_HIT_SQUADMATES ) )
{
float spread = 0.92f;
if ( GetActiveWeapon() )
{
Vector vSpread = GetAttackSpread( GetActiveWeapon() );
if ( vSpread.x > VECTOR_CONE_15DEGREES.x )
spread = FastCos( asin(vSpread.x) );
else // too much error because using point not box
spread = 0.99145f; // "15 degrees"
}
if ( CapabilitiesGet() & bits_CAP_NO_HIT_PLAYER)
{
// Check shoot direction relative to player
if (PlayerInSpread( ownerPos, targetPos, spread, 8*12 ))
{
if (bSetConditions)
{
SetCondition( COND_WEAPON_PLAYER_IN_SPREAD );
}
bHaveLOS = false;
}
/* For grenades etc. check that player is clear?
// Check player position also
if (PlayerInRange( targetPos, 100 ))
{
SetCondition( COND_WEAPON_PLAYER_NEAR_TARGET );
}
*/
}
if ( bHaveLOS )
{
if ( ( CapabilitiesGet() & bits_CAP_NO_HIT_SQUADMATES) && m_pSquad && GetEnemy() )
{
if ( IsSquadmateInSpread( ownerPos, targetPos, spread, 8*12 ) )
{
SetCondition( COND_WEAPON_BLOCKED_BY_FRIEND );
bHaveLOS = false;
}
}
}
}
return bHaveLOS;
}
//-----------------------------------------------------------------------------
// Purpose: Check the innate weapon LOS for an owner at an arbitrary position
// If bSetConditions is true, LOS related conditions will also be set
// Input :
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::InnateWeaponLOSCondition( const Vector &ownerPos, const Vector &targetPos, bool bSetConditions )
{
// --------------------
// Check for occlusion
// --------------------
// Base class version assumes innate weapon position is at eye level
Vector barrelPos = ownerPos + GetViewOffset();
trace_t tr;
AI_TraceLine( barrelPos, targetPos, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr);
if ( tr.fraction == 1.0 )
{
return true;
}
CBaseEntity *pHitEntity = tr.m_pEnt;
// Translate a hit vehicle into its passenger if found
if ( GetEnemy() != NULL )
{
CBaseCombatCharacter *pCCEnemy = GetEnemy()->MyCombatCharacterPointer();
if ( pCCEnemy != NULL && pCCEnemy->IsInAVehicle() )
{
// Ok, player in vehicle, check if vehicle is target we're looking at, fire if it is
// Also, check to see if the owner of the entity is the vehicle, in which case it's valid too.
// This catches vehicles that use bone followers.
CBaseEntity *pVehicleEnt = pCCEnemy->GetVehicleEntity();
if ( pHitEntity == pVehicleEnt || pHitEntity->GetOwnerEntity() == pVehicleEnt )
return true;
}
}
if ( pHitEntity == GetEnemy() )
{
return true;
}
else if ( pHitEntity && pHitEntity->MyCombatCharacterPointer() )
{
if (IRelationType( pHitEntity ) == D_HT)
{
return true;
}
else if (bSetConditions)
{
SetCondition(COND_WEAPON_BLOCKED_BY_FRIEND);
}
}
else if (bSetConditions)
{
SetCondition(COND_WEAPON_SIGHT_OCCLUDED);
SetEnemyOccluder(tr.m_pEnt);
}
return false;
}
//=========================================================
// CanCheckAttacks - prequalifies a npc to do more fine
// checking of potential attacks.
//=========================================================
bool CAI_BaseNPC::FCanCheckAttacks( void )
{
// Not allowed to check attacks while climbing or jumping
// Otherwise schedule is interrupted while on ladder/etc
// which is NOT a legal place to attack from
if ( GetNavType() == NAV_CLIMB || GetNavType() == NAV_JUMP )
return false;
if ( HasCondition(COND_SEE_ENEMY) && !HasCondition( COND_ENEMY_TOO_FAR))
{
return true;
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Return dist. to enemy (closest of origin/head/feet)
// Input :
// Output :
//-----------------------------------------------------------------------------
float CAI_BaseNPC::EnemyDistance( CBaseEntity *pEnemy )
{
Vector enemyDelta = pEnemy->WorldSpaceCenter() - WorldSpaceCenter();
// NOTE: We ignore rotation for computing height. Assume it isn't an effect
// we care about, so we simply use OBBSize().z for height.
// Otherwise you'd do this:
// pEnemy->CollisionProp()->WorldSpaceSurroundingBounds( &enemyMins, &enemyMaxs );
// float enemyHeight = enemyMaxs.z - enemyMins.z;
float enemyHeight = pEnemy->CollisionProp()->OBBSize().z;
float myHeight = CollisionProp()->OBBSize().z;
// max distance our centers can be apart with the boxes still overlapping
float flMaxZDist = ( enemyHeight + myHeight ) * 0.5f;
// see if the enemy is closer to my head, feet or in between
if ( enemyDelta.z > flMaxZDist )
{
// enemy feet above my head, compute distance from my head to his feet
enemyDelta.z -= flMaxZDist;
}
else if ( enemyDelta.z < -flMaxZDist )
{
// enemy head below my feet, return distance between my feet and his head
enemyDelta.z += flMaxZDist;
}
else
{
// boxes overlap in Z, no delta
enemyDelta.z = 0;
}
return enemyDelta.Length();
}
//-----------------------------------------------------------------------------
float CAI_BaseNPC::GetReactionDelay( CBaseEntity *pEnemy )
{
return ( m_NPCState == NPC_STATE_ALERT || m_NPCState == NPC_STATE_COMBAT ) ?
ai_reaction_delay_alert.GetFloat() :
ai_reaction_delay_idle.GetFloat();
}
//-----------------------------------------------------------------------------
// Purpose: Update information on my enemy
// Input :
// Output : Returns true is new enemy, false is known enemy
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::UpdateEnemyMemory( CBaseEntity *pEnemy, const Vector &position, CBaseEntity *pInformer )
{
bool firstHand = ( pInformer == NULL || pInformer == this );
AI_PROFILE_SCOPE(CAI_BaseNPC_UpdateEnemyMemory);
if ( GetEnemies() )
{
// If the was eluding me and allow the NPC to play a sound
if (GetEnemies()->HasEludedMe(pEnemy))
{
FoundEnemySound();
}
float reactionDelay = ( !pInformer || pInformer == this ) ? GetReactionDelay( pEnemy ) : 0.0;
bool result = GetEnemies()->UpdateMemory(GetNavigator()->GetNetwork(), pEnemy, position, reactionDelay, firstHand);
if ( !firstHand && pEnemy && result && GetState() == NPC_STATE_IDLE ) // if it's a new potential enemy
ForceDecisionThink();
if ( firstHand && pEnemy && m_pSquad )
{
m_pSquad->UpdateEnemyMemory( this, pEnemy, position );
}
return result;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Remembers the thing my enemy is hiding behind. Called when either
// COND_ENEMY_OCCLUDED or COND_WEAPON_SIGHT_OCCLUDED is set.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetEnemyOccluder(CBaseEntity *pBlocker)
{
m_hEnemyOccluder = pBlocker;
}
//-----------------------------------------------------------------------------
// Purpose: Gets the thing my enemy is hiding behind (assuming they are hiding).
//-----------------------------------------------------------------------------
CBaseEntity *CAI_BaseNPC::GetEnemyOccluder(void)
{
return m_hEnemyOccluder.Get();
}
//-----------------------------------------------------------------------------
// Purpose: part of the Condition collection process
// gets and stores data and conditions pertaining to a npc's
// enemy.
// @TODO (toml 07-27-03): this should become subservient to the senses. right
// now, it yields different result
// Input :
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::GatherEnemyConditions( CBaseEntity *pEnemy )
{
AI_PROFILE_SCOPE(CAI_BaseNPC_GatherEnemyConditions);
ClearCondition( COND_ENEMY_FACING_ME );
ClearCondition( COND_BEHIND_ENEMY );
// ---------------------------
// Set visibility conditions
// ---------------------------
if ( HasCondition( COND_NEW_ENEMY ) || GetSenses()->GetTimeLastUpdate( GetEnemy() ) == gpGlobals->curtime )
{
AI_PROFILE_SCOPE_BEGIN(CAI_BaseNPC_GatherEnemyConditions_Visibility);
ClearCondition( COND_HAVE_ENEMY_LOS );
ClearCondition( COND_ENEMY_OCCLUDED );
CBaseEntity *pBlocker = NULL;
SetEnemyOccluder(NULL);
bool bSensesDidSee = GetSenses()->DidSeeEntity( pEnemy );
if ( !bSensesDidSee && ( ( EnemyDistance( pEnemy ) >= GetSenses()->GetDistLook() ) || !FVisible( pEnemy, MASK_BLOCKLOS, &pBlocker ) ) )
{
// No LOS to enemy
SetEnemyOccluder(pBlocker);
SetCondition( COND_ENEMY_OCCLUDED );
ClearCondition( COND_SEE_ENEMY );
if (HasMemory( bits_MEMORY_HAD_LOS ))
{
AI_PROFILE_SCOPE(CAI_BaseNPC_GatherEnemyConditions_Outputs);
// Send output event
if (GetEnemy()->IsPlayer())
{
m_OnLostPlayerLOS.FireOutput( GetEnemy(), this );
}
m_OnLostEnemyLOS.FireOutput( GetEnemy(), this );
}
Forget( bits_MEMORY_HAD_LOS );
}
else
{
// Have LOS but may not be in view cone
SetCondition( COND_HAVE_ENEMY_LOS );
if ( bSensesDidSee )
{
// Have LOS and in view cone
SetCondition( COND_SEE_ENEMY );
}
else
{
ClearCondition( COND_SEE_ENEMY );
}
if (!HasMemory( bits_MEMORY_HAD_LOS ))
{
AI_PROFILE_SCOPE(CAI_BaseNPC_GatherEnemyConditions_Outputs);
// Send output event
EHANDLE hEnemy;
hEnemy.Set( GetEnemy() );
if (GetEnemy()->IsPlayer())
{
m_OnFoundPlayer.Set(hEnemy, this, this);
m_OnFoundEnemy.Set(hEnemy, this, this);
}
else
{
m_OnFoundEnemy.Set(hEnemy, this, this);
}
}
Remember( bits_MEMORY_HAD_LOS );
}
AI_PROFILE_SCOPE_END();
}
// -------------------
// If enemy is dead
// -------------------
if ( !pEnemy->IsAlive() )
{
SetCondition( COND_ENEMY_DEAD );
ClearCondition( COND_SEE_ENEMY );
ClearCondition( COND_ENEMY_OCCLUDED );
return;
}
float flDistToEnemy = EnemyDistance(pEnemy);
AI_PROFILE_SCOPE_BEGIN(CAI_BaseNPC_GatherEnemyConditions_SeeEnemy);
if ( HasCondition( COND_SEE_ENEMY ) )
{
// Trail the enemy a bit if he's moving
if (pEnemy->GetSmoothedVelocity() != vec3_origin)
{
Vector vTrailPos = pEnemy->GetAbsOrigin() - pEnemy->GetSmoothedVelocity() * random->RandomFloat( -0.05, 0 );
UpdateEnemyMemory(pEnemy,vTrailPos);
}
else
{
UpdateEnemyMemory(pEnemy,pEnemy->GetAbsOrigin());
}
// If it's not an NPC, assume it can't see me
if ( pEnemy->MyCombatCharacterPointer() && pEnemy->MyCombatCharacterPointer()->FInViewCone ( this ) )
{
SetCondition ( COND_ENEMY_FACING_ME );
ClearCondition ( COND_BEHIND_ENEMY );
}
else
{
ClearCondition( COND_ENEMY_FACING_ME );
SetCondition ( COND_BEHIND_ENEMY );
}
}
else if ( (!HasCondition(COND_ENEMY_OCCLUDED) && !HasCondition(COND_SEE_ENEMY)) && ( flDistToEnemy <= 256 ) )
{
// if the enemy is not occluded, and unseen, that means it is behind or beside the npc.
// if the enemy is near enough the npc, we go ahead and let the npc know where the
// enemy is. Send the enemy in as the informer so this knowledge will be regarded as
// secondhand so that the NPC doesn't
UpdateEnemyMemory( pEnemy, pEnemy->GetAbsOrigin(), pEnemy );
}
AI_PROFILE_SCOPE_END();
float tooFar = m_flDistTooFar;
if ( GetActiveWeapon() && HasCondition(COND_SEE_ENEMY) )
{
tooFar = MAX( m_flDistTooFar, GetActiveWeapon()->m_fMaxRange1 );
}
if ( flDistToEnemy >= tooFar )
{
// enemy is very far away from npc
SetCondition( COND_ENEMY_TOO_FAR );
}
else
{
ClearCondition( COND_ENEMY_TOO_FAR );
}
if ( FCanCheckAttacks() )
{
// This may also call SetEnemyOccluder!
GatherAttackConditions( GetEnemy(), flDistToEnemy );
}
else
{
ClearAttackConditions();
}
// If my enemy has moved significantly, or if the enemy has changed update my path
UpdateEnemyPos();
// If my target entity has moved significantly, update my path
// This is an odd place to put this, but where else should it go?
UpdateTargetPos();
// ----------------------------------------------------------------------------
// Check if enemy is reachable via the node graph unless I'm not on a network
// ----------------------------------------------------------------------------
if (GetNavigator()->IsOnNetwork())
{
// Note that unreachablity times out
if (IsUnreachable(GetEnemy()))
{
SetCondition(COND_ENEMY_UNREACHABLE);
}
}
//-----------------------------------------------------------------------
// If I haven't seen the enemy in a while he may have eluded me
//-----------------------------------------------------------------------
if (gpGlobals->curtime - GetEnemyLastTimeSeen() > 8)
{
//-----------------------------------------------------------------------
// I'm at last known position at enemy isn't in sight then has eluded me
// ----------------------------------------------------------------------
Vector flEnemyLKP = GetEnemyLKP();
if (((flEnemyLKP - GetAbsOrigin()).Length2D() < 48) &&
!HasCondition(COND_SEE_ENEMY))
{
MarkEnemyAsEluded();
}
//-------------------------------------------------------------------
// If enemy isn't reachable, I can see last known position and enemy
// isn't there, then he has eluded me
// ------------------------------------------------------------------
if (!HasCondition(COND_SEE_ENEMY) && HasCondition(COND_ENEMY_UNREACHABLE))
{
if ( !FVisible( flEnemyLKP ) )
{
MarkEnemyAsEluded();
}
}
}
}
//-----------------------------------------------------------------------------
// In the case of goaltype enemy, update the goal position
//-----------------------------------------------------------------------------
float CAI_BaseNPC::GetGoalRepathTolerance( CBaseEntity *pGoalEnt, GoalType_t type, const Vector &curGoal, const Vector &curTargetPos )
{
float distToGoal = ( GetAbsOrigin() - curTargetPos ).Length() - GetNavigator()->GetArrivalDistance();
float distMoved1Sec = GetSmoothedVelocity().Length();
float result = 120; // FIXME: why 120?
if (distMoved1Sec > 0.0)
{
float t = distToGoal / distMoved1Sec;
result = clamp( 120.f * t, 0.f, 120.f );
// Msg("t %.2f : d %.0f (%.0f)\n", t, result, distMoved1Sec );
}
if ( !pGoalEnt->IsPlayer() )
result *= 1.20;
return result;
}
//-----------------------------------------------------------------------------
// In the case of goaltype enemy, update the goal position
//-----------------------------------------------------------------------------
void CAI_BaseNPC::UpdateEnemyPos()
{
// Don't perform path recomputations during a climb or a jump
if ( !GetNavigator()->IsInterruptable() )
return;
if ( m_AnyUpdateEnemyPosTimer.Expired() && m_UpdateEnemyPosTimer.Expired() )
{
// FIXME: does GetGoalRepathTolerance() limit re-routing enough to remove this?
// m_UpdateEnemyPosTimer.Set( 0.5, 1.0 );
// If my enemy has moved significantly, or if the enemy has changed update my path
if ( GetNavigator()->GetGoalType() == GOALTYPE_ENEMY )
{
if (m_hEnemy != GetNavigator()->GetGoalTarget())
{
GetNavigator()->SetGoalTarget( m_hEnemy, vec3_origin );
}
else
{
Vector vEnemyLKP = GetEnemyLKP();
TranslateNavGoal( GetEnemy(), vEnemyLKP );
float tolerance = GetGoalRepathTolerance( GetEnemy(), GOALTYPE_ENEMY, GetNavigator()->GetGoalPos(), vEnemyLKP);
if ( (GetNavigator()->GetGoalPos() - vEnemyLKP).Length() > tolerance )
{
// FIXME: when fleeing crowds, won't this severely limit the effectiveness of each individual? Shouldn't this be a mutex that's held for some period so that at least one attacker is effective?
m_AnyUpdateEnemyPosTimer.Set( 0.1 ); // FIXME: what's a reasonable interval?
if ( !GetNavigator()->RefindPathToGoal( false ) )
{
TaskFail( FAIL_NO_ROUTE );
}
}
}
}
}
}
//-----------------------------------------------------------------------------
// In the case of goaltype targetent, update the goal position
//-----------------------------------------------------------------------------
void CAI_BaseNPC::UpdateTargetPos()
{
// BRJ 10/7/02
// FIXME: make this check time based instead of distance based!
// Don't perform path recomputations during a climb or a jump
if ( !GetNavigator()->IsInterruptable() )
return;
// If my target entity has moved significantly, or has changed, update my path
// This is an odd place to put this, but where else should it go?
if ( GetNavigator()->GetGoalType() == GOALTYPE_TARGETENT )
{
if (m_hTargetEnt != GetNavigator()->GetGoalTarget())
{
GetNavigator()->SetGoalTarget( m_hTargetEnt, vec3_origin );
}
else if ( GetNavigator()->GetGoalFlags() & AIN_UPDATE_TARGET_POS )
{
if ( GetTarget() == NULL || (GetNavigator()->GetGoalPos() - GetTarget()->GetAbsOrigin()).Length() > GetGoalRepathTolerance( GetTarget(), GOALTYPE_TARGETENT, GetNavigator()->GetGoalPos(), GetTarget()->GetAbsOrigin()) )
{
if ( !GetNavigator()->RefindPathToGoal( false ) )
{
TaskFail( FAIL_NO_ROUTE );
}
}
}
}
}
//-----------------------------------------------------------------------------
// Purpose: part of the Condition collection process
// gets and stores data and conditions pertaining to a npc's
// enemy.
// Input :
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CheckTarget( CBaseEntity *pTarget )
{
AI_PROFILE_SCOPE(CAI_Enemies_CheckTarget);
ClearCondition ( COND_HAVE_TARGET_LOS );
ClearCondition ( COND_TARGET_OCCLUDED );
// ---------------------------
// Set visibility conditions
// ---------------------------
if ( ( EnemyDistance( pTarget ) >= GetSenses()->GetDistLook() ) || !FVisible( pTarget ) )
{
// No LOS to target
SetCondition( COND_TARGET_OCCLUDED );
}
else
{
// Have LOS (may not be in view cone)
SetCondition( COND_HAVE_TARGET_LOS );
}
UpdateTargetPos();
}
//-----------------------------------------------------------------------------
// Purpose: Creates a bullseye of limited lifespan at the provided position
// Input : vecOrigin - Where to create the bullseye
// duration - The lifespan of the bullseye
// Output : A BaseNPC pointer to the bullseye
//
// NOTES : It is the caller's responsibility to set up relationships with
// this bullseye!
//-----------------------------------------------------------------------------
CAI_BaseNPC *CAI_BaseNPC::CreateCustomTarget( const Vector &vecOrigin, float duration )
{
#ifdef HL2_DLL
CNPC_Bullseye *pTarget = (CNPC_Bullseye*)CreateEntityByName( "npc_bullseye" );
ASSERT( pTarget != NULL );
// Build a nonsolid bullseye and place it in the desired location
// The bullseye must take damage or the SetHealth 0 call will not be able
pTarget->AddSpawnFlags( SF_BULLSEYE_NONSOLID );
pTarget->SetAbsOrigin( vecOrigin );
pTarget->Spawn();
// Set it up to remove itself, unless told to be infinite (-1)
if( duration > -1 )
{
variant_t value;
value.SetFloat(0);
g_EventQueue.AddEvent( pTarget, "SetHealth", value, duration, this, this );
}
return pTarget;
#else
return NULL;
#endif// HL2_DLL
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : eNewActivity -
// Output : Activity
//-----------------------------------------------------------------------------
Activity CAI_BaseNPC::NPC_TranslateActivity( Activity eNewActivity )
{
Assert( eNewActivity != ACT_INVALID );
if (eNewActivity == ACT_RANGE_ATTACK1)
{
if ( IsCrouching() )
{
eNewActivity = ACT_RANGE_ATTACK1_LOW;
}
}
else if (eNewActivity == ACT_RELOAD)
{
if (IsCrouching())
{
eNewActivity = ACT_RELOAD_LOW;
}
}
else if ( eNewActivity == ACT_IDLE )
{
if ( IsCrouching() )
{
eNewActivity = ACT_CROUCHIDLE;
}
}
// ====
// HACK : LEIPZIG 06 - The underlying problem is that the AR2 and SMG1 cannot map IDLE_ANGRY to a crouched equivalent automatically
// which causes the character to pop up and down in their idle state of firing while crouched. -- jdw
else if ( eNewActivity == ACT_IDLE_ANGRY_SMG1 )
{
if ( IsCrouching() )
{
eNewActivity = ACT_RANGE_AIM_LOW;
}
}
// ====
if (CapabilitiesGet() & bits_CAP_DUCK)
{
if (eNewActivity == ACT_RELOAD)
{
return GetReloadActivity(GetHintNode());
}
else if ((eNewActivity == ACT_COVER ) ||
(eNewActivity == ACT_IDLE && HasMemory(bits_MEMORY_INCOVER)))
{
Activity nCoverActivity = GetCoverActivity(GetHintNode());
// ---------------------------------------------------------------
// Some NPCs don't have a cover activity defined so just use idle
// ---------------------------------------------------------------
if (SelectWeightedSequence( nCoverActivity ) == ACTIVITY_NOT_AVAILABLE)
{
nCoverActivity = ACT_IDLE;
}
return nCoverActivity;
}
}
return eNewActivity;
}
//-----------------------------------------------------------------------------
Activity CAI_BaseNPC::TranslateActivity( Activity idealActivity, Activity *pIdealWeaponActivity )
{
const int MAX_TRIES = 5;
int count = 0;
bool bIdealWeaponRequired = false;
Activity idealWeaponActivity;
Activity baseTranslation;
bool bWeaponRequired = false;
Activity weaponTranslation;
Activity last;
Activity current;
idealWeaponActivity = Weapon_TranslateActivity( idealActivity, &bIdealWeaponRequired );
if ( pIdealWeaponActivity )
*pIdealWeaponActivity = idealWeaponActivity;
baseTranslation = idealActivity;
weaponTranslation = idealActivity;
last = idealActivity;
while ( count++ < MAX_TRIES )
{
current = NPC_TranslateActivity( last );
if ( current != last )
baseTranslation = current;
weaponTranslation = Weapon_TranslateActivity( current, &bWeaponRequired );
if ( weaponTranslation == last )
break;
last = weaponTranslation;
}
AssertMsg( count < MAX_TRIES, "Circular activity translation!" );
if ( last == ACT_SCRIPT_CUSTOM_MOVE )
return ACT_SCRIPT_CUSTOM_MOVE;
if ( HaveSequenceForActivity( weaponTranslation ) )
return weaponTranslation;
if ( bWeaponRequired )
{
// only complain about an activity once
static CUtlVector< Activity > sUniqueActivities;
if (!sUniqueActivities.Find( weaponTranslation))
{
// FIXME: warning
DevWarning( "%s missing activity \"%s\" needed by weapon\"%s\"\n",
GetClassname(), GetActivityName( weaponTranslation ), GetActiveWeapon()->GetClassname() );
sUniqueActivities.AddToTail( weaponTranslation );
}
}
if ( baseTranslation != weaponTranslation && HaveSequenceForActivity( baseTranslation ) )
return baseTranslation;
if ( idealWeaponActivity != baseTranslation && HaveSequenceForActivity( idealWeaponActivity ) )
return idealActivity;
if ( idealActivity != idealWeaponActivity && HaveSequenceForActivity( idealActivity ) )
return idealActivity;
Assert( !HaveSequenceForActivity( idealActivity ) );
if ( idealActivity == ACT_RUN )
{
idealActivity = ACT_WALK;
}
else if ( idealActivity == ACT_WALK )
{
idealActivity = ACT_RUN;
}
return idealActivity;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : NewActivity -
// iSequence -
// translatedActivity -
// weaponActivity -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ResolveActivityToSequence(Activity NewActivity, int &iSequence, Activity &translatedActivity, Activity &weaponActivity)
{
AI_PROFILE_SCOPE( CAI_BaseNPC_ResolveActivityToSequence );
iSequence = ACTIVITY_NOT_AVAILABLE;
translatedActivity = TranslateActivity( NewActivity, &weaponActivity );
if ( NewActivity == ACT_SCRIPT_CUSTOM_MOVE )
{
iSequence = GetScriptCustomMoveSequence();
}
else
{
iSequence = SelectWeightedSequence( translatedActivity );
if ( iSequence == ACTIVITY_NOT_AVAILABLE )
{
static CAI_BaseNPC *pLastWarn;
static Activity lastWarnActivity;
static float timeLastWarn;
if ( ( pLastWarn != this && lastWarnActivity != translatedActivity ) || gpGlobals->curtime - timeLastWarn > 5.0 )
{
DevWarning( "%s:%s:%s has no sequence for act:%s\n", GetClassname(), GetDebugName(), STRING( GetModelName() ), ActivityList_NameForIndex(translatedActivity) );
pLastWarn = this;
lastWarnActivity = translatedActivity;
timeLastWarn = gpGlobals->curtime;
}
if ( translatedActivity == ACT_RUN )
{
translatedActivity = ACT_WALK;
iSequence = SelectWeightedSequence( translatedActivity );
}
}
}
if ( iSequence == ACT_INVALID )
{
// Abject failure. Use sequence zero.
iSequence = 0;
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : NewActivity -
// iSequence -
// translatedActivity -
// weaponActivity -
//-----------------------------------------------------------------------------
extern ConVar ai_sequence_debug;
void CAI_BaseNPC::SetActivityAndSequence(Activity NewActivity, int iSequence, Activity translatedActivity, Activity weaponActivity)
{
m_translatedActivity = translatedActivity;
if (ai_sequence_debug.GetBool() == true && (m_debugOverlays & OVERLAY_NPC_SELECTED_BIT))
{
DevMsg("SetActivityAndSequence : %s: %s:%s -> %s:%s / %s:%s\n", GetClassname(),
GetActivityName(GetActivity()), GetSequenceName(GetSequence()),
GetActivityName(NewActivity), GetSequenceName(iSequence),
GetActivityName(translatedActivity), GetActivityName(weaponActivity) );
}
// Set to the desired anim, or default anim if the desired is not present
if ( iSequence > ACTIVITY_NOT_AVAILABLE )
{
if ( GetSequence() != iSequence || !SequenceLoops() )
{
//
// Don't reset frame between movement phased animations
if (!IsActivityMovementPhased( m_Activity ) ||
!IsActivityMovementPhased( NewActivity ))
{
SetCycle( 0 );
}
}
ResetSequence( iSequence );
Weapon_SetActivity( weaponActivity, SequenceDuration( iSequence ) );
}
else
{
// Not available try to get default anim
ResetSequence( 0 );
}
// Set the view position based on the current activity
SetViewOffset( EyeOffset(m_translatedActivity) );
if (m_Activity != NewActivity)
{
OnChangeActivity(NewActivity);
}
// NOTE: We DO NOT write the translated activity here.
// This is to abstract the activity translation from the AI code.
// As far as the code is concerned, a translation is merely a new set of sequences
// that should be regarded as the activity in question.
// Go ahead and set this so it doesn't keep trying when the anim is not present
m_Activity = NewActivity;
// this cannot be called until m_Activity stores NewActivity!
GetMotor()->RecalculateYawSpeed();
}
//-----------------------------------------------------------------------------
// Purpose: Sets the activity to the desired activity immediately, skipping any
// transition sequences.
// Input : NewActivity -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetActivity( Activity NewActivity )
{
// If I'm already doing the NewActivity I can bail.
// FIXME: Should this be based on the current translated activity and ideal translated activity (calculated below)?
// The old code only cared about the logical activity, not translated.
if (m_Activity == NewActivity)
{
return;
}
// Don't do this if I'm playing a transition, unless it's ACT_RESET.
if ( NewActivity != ACT_RESET && m_Activity == ACT_TRANSITION && m_IdealActivity != ACT_DO_NOT_DISTURB )
{
return;
}
if (ai_sequence_debug.GetBool() == true && (m_debugOverlays & OVERLAY_NPC_SELECTED_BIT))
{
DevMsg("SetActivity : %s: %s -> %s\n", GetClassname(), GetActivityName(GetActivity()), GetActivityName(NewActivity));
}
if ( !GetModelPtr() )
return;
// In case someone calls this with something other than the ideal activity.
m_IdealActivity = NewActivity;
// Resolve to ideals and apply directly, skipping transitions.
ResolveActivityToSequence(m_IdealActivity, m_nIdealSequence, m_IdealTranslatedActivity, m_IdealWeaponActivity);
//DevMsg("%s: SLAM %s -> %s\n", GetClassname(), GetSequenceName(GetSequence()), GetSequenceName(m_nIdealSequence));
SetActivityAndSequence(m_IdealActivity, m_nIdealSequence, m_IdealTranslatedActivity, m_IdealWeaponActivity);
}
//-----------------------------------------------------------------------------
// Purpose: Sets the activity that we would like to transition toward.
// Input : NewActivity -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetIdealActivity( Activity NewActivity )
{
// ignore if it's an ACT_TRANSITION, it means somewhere we're setting IdealActivity with a bogus intermediate value
if (NewActivity == ACT_TRANSITION)
{
Assert( 0 );
return;
}
if (ai_sequence_debug.GetBool() == true && (m_debugOverlays & OVERLAY_NPC_SELECTED_BIT))
{
DevMsg("SetIdealActivity : %s: %s -> %s\n", GetClassname(), GetActivityName(GetActivity()), GetActivityName(NewActivity));
}
if (NewActivity == ACT_RESET)
{
// They probably meant to call SetActivity(ACT_RESET)... we'll fix it for them.
SetActivity(ACT_RESET);
return;
}
m_IdealActivity = NewActivity;
if( NewActivity == ACT_DO_NOT_DISTURB )
{
// Don't resolve anything! Leave it the way the user has it right now.
return;
}
if ( !GetModelPtr() )
return;
// Perform translation in case we need to change sequences within a single activity,
// such as between a standing idle and a crouching idle.
ResolveActivityToSequence(m_IdealActivity, m_nIdealSequence, m_IdealTranslatedActivity, m_IdealWeaponActivity);
}
//-----------------------------------------------------------------------------
// Purpose: Moves toward the ideal activity through any transition sequences.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::AdvanceToIdealActivity(void)
{
// If there is a transition sequence between the current sequence and the ideal sequence...
int nNextSequence = FindTransitionSequence(GetSequence(), m_nIdealSequence, NULL);
if (nNextSequence != -1)
{
// We found a transition sequence or possibly went straight to
// the ideal sequence.
if (nNextSequence != m_nIdealSequence)
{
// DevMsg("%s: TRANSITION %s -> %s -> %s\n", GetClassname(), GetSequenceName(GetSequence()), GetSequenceName(nNextSequence), GetSequenceName(m_nIdealSequence));
Activity eWeaponActivity = ACT_TRANSITION;
Activity eTranslatedActivity = ACT_TRANSITION;
// Figure out if the transition sequence has an associated activity that
// we can use for our weapon. Do activity translation also.
Activity eTransitionActivity = GetSequenceActivity(nNextSequence);
if (eTransitionActivity != ACT_INVALID)
{
int nDiscard;
ResolveActivityToSequence(eTransitionActivity, nDiscard, eTranslatedActivity, eWeaponActivity);
}
// Set activity and sequence to the transition stuff. Set the activity to ACT_TRANSITION
// so we know we're in a transition.
SetActivityAndSequence(ACT_TRANSITION, nNextSequence, eTranslatedActivity, eWeaponActivity);
}
else
{
//DevMsg("%s: IDEAL %s -> %s\n", GetClassname(), GetSequenceName(GetSequence()), GetSequenceName(m_nIdealSequence));
// Set activity and sequence to the ideal stuff that was set up in MaintainActivity.
SetActivityAndSequence(m_IdealActivity, m_nIdealSequence, m_IdealTranslatedActivity, m_IdealWeaponActivity);
}
}
// Else go straight there to the ideal activity.
else
{
//DevMsg("%s: Unable to get from sequence %s to %s!\n", GetClassname(), GetSequenceName(GetSequence()), GetSequenceName(m_nIdealSequence));
SetActivity(m_IdealActivity);
}
}
//-----------------------------------------------------------------------------
// Purpose: Tries to achieve our ideal animation state, playing any transition
// sequences that we need to play to get there.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::MaintainActivity(void)
{
AI_PROFILE_SCOPE( CAI_BaseNPC_MaintainActivity );
if ( m_lifeState == LIFE_DEAD )
{
// Don't maintain activities if we're daid.
// Blame Speyrer
return;
}
if ((GetState() == NPC_STATE_SCRIPT))
{
// HACK: finish any transitions we might be playing before we yield control to the script
if (GetActivity() != ACT_TRANSITION)
{
// Our animation state is being controlled by a script.
return;
}
}
if( m_IdealActivity == ACT_DO_NOT_DISTURB || !GetModelPtr() )
{
return;
}
// We may have work to do if we aren't playing our ideal activity OR if we
// aren't playing our ideal sequence.
if ((GetActivity() != m_IdealActivity) || (GetSequence() != m_nIdealSequence))
{
if (ai_sequence_debug.GetBool() == true && (m_debugOverlays & OVERLAY_NPC_SELECTED_BIT))
{
DevMsg("MaintainActivity %s : %s:%s -> %s:%s\n", GetClassname(),
GetActivityName(GetActivity()), GetSequenceName(GetSequence()),
GetActivityName(m_IdealActivity), GetSequenceName(m_nIdealSequence));
}
bool bAdvance = false;
// If we're in a transition activity, see if we are done with the transition.
if (GetActivity() == ACT_TRANSITION)
{
// If the current sequence is finished, try to go to the next one
// closer to our ideal sequence.
if (IsSequenceFinished())
{
bAdvance = true;
}
// Else a transition sequence is in progress, do nothing.
}
// Else get a specific sequence for the activity and try to transition to that.
else
{
// Save off a target sequence and translated activities to apply when we finish
// playing all the transitions and finally arrive at our ideal activity.
ResolveActivityToSequence(m_IdealActivity, m_nIdealSequence, m_IdealTranslatedActivity, m_IdealWeaponActivity);
bAdvance = true;
}
if (bAdvance)
{
// Try to go to the next sequence closer to our ideal sequence.
AdvanceToIdealActivity();
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Returns true if our ideal activity has finished playing.
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsActivityFinished( void )
{
return (IsSequenceFinished() && (GetSequence() == m_nIdealSequence));
}
//-----------------------------------------------------------------------------
// Purpose: Checks to see if the activity is one of the standard phase-matched movement activities
// Input : activity
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsActivityMovementPhased( Activity activity )
{
switch( activity )
{
case ACT_WALK:
case ACT_WALK_AIM:
case ACT_WALK_CROUCH:
case ACT_WALK_CROUCH_AIM:
case ACT_RUN:
case ACT_RUN_AIM:
case ACT_RUN_CROUCH:
case ACT_RUN_CROUCH_AIM:
case ACT_RUN_PROTECTED:
return true;
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OnChangeActivity( Activity eNewActivity )
{
if ( eNewActivity == ACT_RUN ||
eNewActivity == ACT_RUN_AIM ||
eNewActivity == ACT_WALK )
{
Stand();
}
}
//=========================================================
// SetSequenceByName
//=========================================================
void CAI_BaseNPC::SetSequenceByName( const char *szSequence )
{
int iSequence = LookupSequence( szSequence );
if ( iSequence > ACTIVITY_NOT_AVAILABLE )
SetSequenceById( iSequence );
else
{
DevWarning( 2, "%s has no sequence %s to match request\n", GetClassname(), szSequence );
SetSequence( 0 ); // Set to the reset anim (if it's there)
}
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetSequenceById( int iSequence )
{
// Set to the desired anim, or default anim if the desired is not present
if ( iSequence > ACTIVITY_NOT_AVAILABLE )
{
if ( GetSequence() != iSequence || !SequenceLoops() )
{
SetCycle( 0 );
}
ResetSequence( iSequence ); // Set to the reset anim (if it's there)
GetMotor()->RecalculateYawSpeed();
}
else
{
// Not available try to get default anim
DevWarning( 2, "%s invalid sequence requested\n", GetClassname() );
SetSequence( 0 ); // Set to the reset anim (if it's there)
}
}
//-----------------------------------------------------------------------------
// Purpose: Returns the target entity
// Input :
// Output :
//-----------------------------------------------------------------------------
CBaseEntity *CAI_BaseNPC::GetNavTargetEntity(void)
{
if ( GetNavigator()->GetGoalType() == GOALTYPE_ENEMY )
return m_hEnemy;
else if ( GetNavigator()->GetGoalType() == GOALTYPE_TARGETENT )
return m_hTargetEnt;
return NULL;
}
//-----------------------------------------------------------------------------
// Purpose: returns zero if the caller can jump from
// vecStart to vecEnd ignoring collisions with pTarget
//
// if the throw fails, returns the distance
// that can be travelled before an obstacle is hit
//-----------------------------------------------------------------------------
#include "ai_initutils.h"
//#define _THROWDEBUG
float CAI_BaseNPC::ThrowLimit( const Vector &vecStart,
const Vector &vecEnd,
float fGravity,
float fArcSize,
const Vector &mins,
const Vector &maxs,
CBaseEntity *pTarget,
Vector *jumpVel,
CBaseEntity **pBlocker)
{
// Get my jump velocity
Vector rawJumpVel = CalcThrowVelocity(vecStart, vecEnd, fGravity, fArcSize);
*jumpVel = rawJumpVel;
Vector vecFrom = vecStart;
// Calculate the total time of the jump minus a tiny fraction
float jumpTime = (vecStart - vecEnd).Length2D()/rawJumpVel.Length2D();
float timeStep = jumpTime / 10.0;
Vector gravity = Vector(0,0,fGravity);
// this loop takes single steps to the goal.
for (float flTime = 0 ; flTime < jumpTime-0.1 ; flTime += timeStep )
{
// Calculate my position after the time step (average velocity over this time step)
Vector nextPos = vecFrom + (rawJumpVel - 0.5 * gravity * timeStep) * timeStep;
// If last time step make next position the target position
if ((flTime + timeStep) > jumpTime)
{
nextPos = vecEnd;
}
trace_t tr;
AI_TraceHull( vecFrom, nextPos, mins, maxs, MASK_SOLID, this, COLLISION_GROUP_NONE, &tr );
if (tr.startsolid || tr.fraction < 1.0)
{
CBaseEntity *pEntity = tr.m_pEnt;
// If we hit the target we are good to go!
if (pEntity == pTarget)
{
return 0;
}
#ifdef _THROWDEBUG
NDebugOverlay::Line( vecFrom, nextPos, 255, 0, 0, true, 1.0 );
#endif
// ----------------------------------------------------------
// If blocked by an npc remember
// ----------------------------------------------------------
*pBlocker = pEntity;
// Return distance sucessfully traveled before block encountered
return ((tr.endpos - vecStart).Length());
}
#ifdef _THROWDEBUG
else
{
NDebugOverlay::Line( vecFrom, nextPos, 255, 255, 255, true, 1.0 );
}
#endif
rawJumpVel = rawJumpVel - gravity * timeStep;
vecFrom = nextPos;
}
return 0;
}
//-----------------------------------------------------------------------------
// Purpose: Called to initialize or re-initialize the vphysics hull when the size
// of the NPC changes
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetupVPhysicsHull()
{
if ( GetMoveType() == MOVETYPE_VPHYSICS || GetMoveType() == MOVETYPE_NONE )
return;
if ( VPhysicsGetObject() )
{
// Disable collisions to get
VPhysicsGetObject()->EnableCollisions(false);
VPhysicsDestroyObject();
}
VPhysicsInitShadow( true, false );
IPhysicsObject *pPhysObj = VPhysicsGetObject();
if ( pPhysObj )
{
float mass = Studio_GetMass(GetModelPtr());
if ( mass > 0 )
{
pPhysObj->SetMass( mass );
}
#if _DEBUG
else
{
DevMsg("Warning: %s has no physical mass\n", STRING(GetModelName()));
}
#endif
IPhysicsShadowController *pController = pPhysObj->GetShadowController();
float avgsize = (WorldAlignSize().x + WorldAlignSize().y) * 0.5;
//pController->SetTeleportDistance( avgsize * 0.5 );
m_bCheckContacts = true;
}
}
// Check for problematic physics objects resting on this NPC.
// They can screw up his navigation, so attach a controller to
// help separate the NPC & physics when you encounter these.
ConVar ai_auto_contact_solver( "ai_auto_contact_solver", "1" );
void CAI_BaseNPC::CheckPhysicsContacts()
{
return;
if ( gpGlobals->frametime <= 0.0f || !ai_auto_contact_solver.GetBool() )
return;
m_bCheckContacts = false;
if ( GetMoveType() == MOVETYPE_STEP && VPhysicsGetObject())
{
IPhysicsObject *pPhysics = VPhysicsGetObject();
IPhysicsFrictionSnapshot *pSnapshot = pPhysics->CreateFrictionSnapshot();
CBaseEntity *pGroundEntity = GetGroundEntity();
float heightCheck = GetAbsOrigin().z + GetHullMaxs().z;
Vector npcVel;
pPhysics->GetVelocity( &npcVel, NULL );
CBaseEntity *pOtherEntity = NULL;
bool createSolver = false;
float solverTime = 0.0f;
while ( pSnapshot->IsValid() )
{
IPhysicsObject *pOther = pSnapshot->GetObject(1);
if( !pOther )
continue;
pOtherEntity = static_cast<CBaseEntity *>(pOther->GetGameData());
if ( pOtherEntity && pGroundEntity != pOtherEntity )
{
float otherMass = PhysGetEntityMass(pOtherEntity);
if ( pOtherEntity->GetMoveType() == MOVETYPE_VPHYSICS && pOther->IsMoveable() &&
otherMass < VPHYSICS_LARGE_OBJECT_MASS && !pOtherEntity->GetServerVehicle() )
{
m_bCheckContacts = true;
Vector vel, point;
pOther->GetVelocity( &vel, NULL );
pSnapshot->GetContactPoint( point );
// compare the relative velocity
vel -= npcVel;
// slow moving object probably won't clear itself.
// Either set ignore, or disable collisions entirely
if ( vel.LengthSqr() < 5.0f*5.0f )
{
float topdist = fabs(point.z-heightCheck);
// 4 seconds to ignore this for nav
solverTime = 4.0f;
if ( topdist < 2.0f )
{
// Resting on my head so disable collisions for a bit
solverTime = 0.5f; // UNDONE: Tune
if ( pOther->GetGameFlags() & FVPHYSICS_PLAYER_HELD )
{
// player is being a monkey
solverTime = 0.25f;
}
//Msg("Dropping %s from %s\n", pOtherEntity->GetClassname(), GetClassname() );
Assert( !NPCPhysics_SolverExists(this, pOtherEntity) );
createSolver = true;
break;
}
}
}
}
pSnapshot->NextFrictionData();
}
pPhysics->DestroyFrictionSnapshot( pSnapshot );
if ( createSolver )
{
// turn collisions back on once we've been separated for enough time
NPCPhysics_CreateSolver( this, pOtherEntity, true, solverTime );
pPhysics->RecheckContactPoints();
}
}
}
void CAI_BaseNPC::StartTouch( CBaseEntity *pOther )
{
BaseClass::StartTouch(pOther);
if ( pOther->GetMoveType() == MOVETYPE_VPHYSICS )
{
m_bCheckContacts = true;
}
}
//-----------------------------------------------------------------------------
// Purpose: To be called instead of UTIL_SetSize, so pathfinding hull
// and actual hull agree
// Input :
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetHullSizeNormal( bool force )
{
if ( m_fIsUsingSmallHull || force )
{
// Find out what the height difference will be between the versions and adjust our bbox accordingly to keep us level
const float flScale = GetModelScale();
Vector vecMins = ( GetHullMins() * flScale );
Vector vecMaxs = ( GetHullMaxs() * flScale );
UTIL_SetSize( this, vecMins, vecMaxs );
m_fIsUsingSmallHull = false;
if ( VPhysicsGetObject() )
{
SetupVPhysicsHull();
}
}
}
//-----------------------------------------------------------------------------
// Purpose: To be called instead of UTIL_SetSize, so pathfinding hull
// and actual hull agree
// Input :
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::SetHullSizeSmall( bool force )
{
if ( !m_fIsUsingSmallHull || force )
{
UTIL_SetSize(this, NAI_Hull::SmallMins(GetHullType()),NAI_Hull::SmallMaxs(GetHullType()));
m_fIsUsingSmallHull = true;
if ( VPhysicsGetObject() )
{
SetupVPhysicsHull();
}
}
return true;
}
//-----------------------------------------------------------------------------
// Checks to see that the nav hull is valid for the NPC
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsNavHullValid() const
{
Assert( GetSolid() != SOLID_BSP );
Vector hullMin = GetHullMins();
Vector hullMax = GetHullMaxs();
Vector vecMins, vecMaxs;
if ( GetSolid() == SOLID_BBOX )
{
vecMins = WorldAlignMins();
vecMaxs = WorldAlignMaxs();
}
else if ( GetSolid() == SOLID_VPHYSICS )
{
Assert( VPhysicsGetObject() );
const CPhysCollide *pPhysCollide = VPhysicsGetObject()->GetCollide();
physcollision->CollideGetAABB( &vecMins, &vecMaxs, pPhysCollide, GetAbsOrigin(), GetAbsAngles() );
vecMins -= GetAbsOrigin();
vecMaxs -= GetAbsOrigin();
}
else
{
vecMins = hullMin;
vecMaxs = hullMax;
}
if ( (hullMin.x > vecMins.x) || (hullMax.x < vecMaxs.x) ||
(hullMin.y > vecMins.y) || (hullMax.y < vecMaxs.y) ||
(hullMin.z > vecMins.z) || (hullMax.z < vecMaxs.z) )
{
return false;
}
return true;
}
//=========================================================
// NPCInit - after a npc is spawned, it needs to
// be dropped into the world, checked for mobility problems,
// and put on the proper path, if any. This function does
// all of those things after the npc spawns. Any
// initialization that should take place for all npcs
// goes here.
//=========================================================
void CAI_BaseNPC::NPCInit ( void )
{
if (!g_pGameRules->FAllowNPCs())
{
UTIL_Remove( this );
return;
}
if( IsWaitingToRappel() )
{
// If this guy's supposed to rappel, keep him from
// falling to the ground when he spawns.
AddFlag( FL_FLY );
}
#ifdef _DEBUG
// Make sure that the bounding box is appropriate for the hull size...
// FIXME: We can't test vphysics objects because NPCInit occurs before VPhysics is set up
if ( GetSolid() != SOLID_VPHYSICS && !IsSolidFlagSet(FSOLID_NOT_SOLID) )
{
if ( !IsNavHullValid() )
{
Warning("NPC Entity %s (%d) has a bounding box which extends outside its nav box!\n",
STRING(m_iClassname), entindex() );
}
}
#endif
// Set fields common to all npcs
AddFlag( FL_AIMTARGET | FL_NPC );
AddSolidFlags( FSOLID_NOT_STANDABLE );
m_flOriginalYaw = GetAbsAngles().y;
SetBlocksLOS( false );
SetGravity(1.0); // Don't change
m_takedamage = DAMAGE_YES;
GetMotor()->SetIdealYaw( GetLocalAngles().y );
m_iMaxHealth = m_iHealth;
m_lifeState = LIFE_ALIVE;
SetIdealState( NPC_STATE_IDLE );// Assume npc will be idle, until proven otherwise
SetIdealActivity( ACT_IDLE );
SetActivity( ACT_IDLE );
#ifdef HL1_DLL
SetDeathPose( ACT_INVALID );
#endif
ClearCommandGoal();
ClearSchedule( "Initializing NPC" );
GetNavigator()->ClearGoal();
InitBoneControllers( ); // FIX: should be done in Spawn
if ( GetModelPtr() )
{
ResetActivityIndexes();
ResetEventIndexes();
}
SetHintNode( NULL );
m_afMemory = MEMORY_CLEAR;
SetEnemy( NULL );
m_flDistTooFar = 1024.0;
SetDistLook( 2048.0 );
if ( HasSpawnFlags( SF_NPC_LONG_RANGE ) )
{
m_flDistTooFar = 1e9f;
SetDistLook( 6000.0 );
}
// Clear conditions
m_Conditions.ClearAll();
// set eye position
SetDefaultEyeOffset();
// Only give weapon of allowed to have one
if (CapabilitiesGet() & bits_CAP_USE_WEAPONS)
{ // Does this npc spawn with a weapon
if ( m_spawnEquipment != NULL_STRING && strcmp(STRING(m_spawnEquipment), "0"))
{
CBaseCombatWeapon *pWeapon = Weapon_Create( STRING(m_spawnEquipment) );
if ( pWeapon )
{
// If I have a name, make my weapon match it with "_weapon" appended
if ( GetEntityName() != NULL_STRING )
{
pWeapon->SetName( AllocPooledString(UTIL_VarArgs("%s_weapon", STRING(GetEntityName()))) );
}
if ( GetEffects() & EF_NOSHADOW )
{
// BUGBUG: if this NPC drops this weapon it will forevermore have no shadow
pWeapon->AddEffects( EF_NOSHADOW );
}
Weapon_Equip( pWeapon );
}
}
}
// Robin: Removed this, since it stomps the weapon's settings, and it's stomped
// by OnUpdateShotRegulator() as soon as they finish firing the first time.
//GetShotRegulator()->SetParameters( 2, 6, 0.3f, 0.8f );
SetUse ( &CAI_BaseNPC::NPCUse );
// NOTE: Can't call NPC Init Think directly... logic changed about
// what time it is when worldspawn happens..
// We must put off the rest of our initialization
// until we're sure everything else has had a chance to spawn. Otherwise
// we may try to reference entities that haven't spawned yet.(sjb)
SetThink( &CAI_BaseNPC::NPCInitThink );
SetNextThink( gpGlobals->curtime + 0.01f );
ForceGatherConditions();
// HACKHACK: set up a pre idle animation
// NOTE: Must do this before CreateVPhysics() so bone followers have the correct initial positions.
if ( HasSpawnFlags( SF_NPC_WAIT_FOR_SCRIPT ) )
{
const char *pStartSequence = CAI_ScriptedSequence::GetSpawnPreIdleSequenceForScript( this );
if ( pStartSequence )
{
SetSequence( LookupSequence( pStartSequence ) );
}
}
CreateVPhysics();
if ( HasSpawnFlags( SF_NPC_START_EFFICIENT ) )
{
SetEfficiency( AIE_EFFICIENT );
}
m_bFadeCorpse = ShouldFadeOnDeath();
m_GiveUpOnDeadEnemyTimer.Set( 0.75, 2.0 );
m_flTimeLastMovement = FLT_MAX;
m_flIgnoreDangerSoundsUntil = 0;
SetDeathPose( ACT_INVALID );
SetDeathPoseFrame( 0 );
m_EnemiesSerialNumber = -1;
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::CreateVPhysics()
{
if ( IsAlive() && !VPhysicsGetObject() )
{
SetupVPhysicsHull();
}
return true;
}
//-----------------------------------------------------------------------------
// Set up the shot regulator based on the equipped weapon
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OnUpdateShotRegulator( )
{
CBaseCombatWeapon *pWeapon = GetActiveWeapon();
if ( !pWeapon )
return;
// Default values
m_ShotRegulator.SetBurstInterval( pWeapon->GetFireRate(), pWeapon->GetFireRate() );
m_ShotRegulator.SetBurstShotCountRange( pWeapon->GetMinBurst(), pWeapon->GetMaxBurst() );
m_ShotRegulator.SetRestInterval( pWeapon->GetMinRestTime(), pWeapon->GetMaxRestTime() );
// Let the behavior have a whack at it.
if ( GetRunningBehavior() )
{
GetRunningBehavior()->OnUpdateShotRegulator();
}
}
//-----------------------------------------------------------------------------
// Set up the shot regulator based on the equipped weapon
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OnChangeActiveWeapon( CBaseCombatWeapon *pOldWeapon, CBaseCombatWeapon *pNewWeapon )
{
BaseClass::OnChangeActiveWeapon( pOldWeapon, pNewWeapon );
// Shot regulator code
if ( pNewWeapon )
{
OnUpdateShotRegulator();
m_ShotRegulator.Reset( true );
}
}
//-----------------------------------------------------------------------------
// Purpose: Tests to see if NPC can holster their weapon (if animation exists to holster weapon)
// Output : true if holster weapon animation exists
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::CanHolsterWeapon( void )
{
int seq = SelectWeightedSequence( ACT_DISARM );
return (seq >= 0);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int CAI_BaseNPC::HolsterWeapon( void )
{
if ( IsWeaponHolstered() )
return -1;
int iHolsterGesture = FindGestureLayer( ACT_DISARM );
if ( iHolsterGesture != -1 )
return iHolsterGesture;
int iLayer = AddGesture( ACT_DISARM, true );
//iLayer = AddGesture( ACT_GESTURE_DISARM, true );
if (iLayer != -1)
{
// Prevent firing during the holster / unholster
float flDuration = GetLayerDuration( iLayer );
m_ShotRegulator.FireNoEarlierThan( gpGlobals->curtime + flDuration + 0.5 );
if( m_iDesiredWeaponState == DESIREDWEAPONSTATE_HOLSTERED_DESTROYED )
{
m_iDesiredWeaponState = DESIREDWEAPONSTATE_CHANGING_DESTROY;
}
else
{
m_iDesiredWeaponState = DESIREDWEAPONSTATE_CHANGING;
}
// Make sure we don't try to reload while we're holstering
ClearCondition(COND_LOW_PRIMARY_AMMO);
ClearCondition(COND_NO_PRIMARY_AMMO);
ClearCondition(COND_NO_SECONDARY_AMMO);
}
return iLayer;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
int CAI_BaseNPC::UnholsterWeapon( void )
{
if ( !IsWeaponHolstered() )
return -1;
int iHolsterGesture = FindGestureLayer( ACT_ARM );
if ( iHolsterGesture != -1 )
return iHolsterGesture;
// Deploy the first weapon you can find
for (int i = 0; i < WeaponCount(); i++)
{
if ( GetWeapon( i ))
{
SetActiveWeapon( GetWeapon(i) );
int iLayer = AddGesture( ACT_ARM, true );
//iLayer = AddGesture( ACT_GESTURE_ARM, true );
if (iLayer != -1)
{
// Prevent firing during the holster / unholster
float flDuration = GetLayerDuration( iLayer );
m_ShotRegulator.FireNoEarlierThan( gpGlobals->curtime + flDuration + 0.5 );
m_iDesiredWeaponState = DESIREDWEAPONSTATE_CHANGING;
}
// Refill the clip
if ( GetActiveWeapon()->UsesClipsForAmmo1() )
{
GetActiveWeapon()->m_iClip1 = GetActiveWeapon()->GetMaxClip1();
}
// Make sure we don't try to reload while we're unholstering
ClearCondition(COND_LOW_PRIMARY_AMMO);
ClearCondition(COND_NO_PRIMARY_AMMO);
ClearCondition(COND_NO_SECONDARY_AMMO);
return iLayer;
}
}
return -1;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputHolsterWeapon( inputdata_t &inputdata )
{
m_iDesiredWeaponState = DESIREDWEAPONSTATE_HOLSTERED;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputHolsterAndDestroyWeapon( inputdata_t &inputdata )
{
m_iDesiredWeaponState = DESIREDWEAPONSTATE_HOLSTERED_DESTROYED;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputUnholsterWeapon( inputdata_t &inputdata )
{
m_iDesiredWeaponState = DESIREDWEAPONSTATE_UNHOLSTERED;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsWeaponHolstered( void )
{
if( !GetActiveWeapon() )
return true;
if( GetActiveWeapon()->IsEffectActive(EF_NODRAW) )
return true;
return false;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsWeaponStateChanging( void )
{
return ( m_iDesiredWeaponState == DESIREDWEAPONSTATE_CHANGING || m_iDesiredWeaponState == DESIREDWEAPONSTATE_CHANGING_DESTROY );
}
//-----------------------------------------------------------------------------
// Set up the shot regulator based on the equipped weapon
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OnRangeAttack1()
{
SetLastAttackTime( gpGlobals->curtime );
// Houston, there is a problem!
AssertOnce( GetShotRegulator()->ShouldShoot() );
m_ShotRegulator.OnFiredWeapon();
if ( m_ShotRegulator.IsInRestInterval() )
{
OnUpdateShotRegulator();
}
SetNextAttack( m_ShotRegulator.NextShotTime() );
}
//-----------------------------------------------------------------------------
// Purpose: Initialze the relationship table from the keyvalues
// Input :
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InitRelationshipTable(void)
{
AddRelationship( STRING( m_RelationshipString ), NULL );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::AddRelationship( const char *pszRelationship, CBaseEntity *pActivator )
{
// Parse the keyvalue data
char parseString[1000];
Q_strncpy(parseString, pszRelationship, sizeof(parseString));
// Look for an entity string
char *entityString = strtok(parseString," ");
while (entityString)
{
// Get the disposition
char *dispositionString = strtok(NULL," ");
Disposition_t disposition = D_NU;
if ( dispositionString )
{
if (!stricmp(dispositionString,"D_HT"))
{
disposition = D_HT;
}
else if (!stricmp(dispositionString,"D_FR"))
{
disposition = D_FR;
}
else if (!stricmp(dispositionString,"D_LI"))
{
disposition = D_LI;
}
else if (!stricmp(dispositionString,"D_NU"))
{
disposition = D_NU;
}
else
{
disposition = D_NU;
Warning( "***ERROR***\nBad relationship type (%s) to unknown entity (%s)!\n", dispositionString,entityString );
Assert( 0 );
return;
}
}
else
{
Warning("Can't parse relationship info (%s) - Expecting 'name [D_HT, D_FR, D_LI, D_NU] [1-99]'\n", pszRelationship );
Assert(0);
return;
}
// Get the priority
char *priorityString = strtok(NULL," ");
int priority = ( priorityString ) ? atoi(priorityString) : DEF_RELATIONSHIP_PRIORITY;
bool bFoundEntity = false;
// Try to get pointer to an entity of this name
CBaseEntity *entity = gEntList.FindEntityByName( NULL, entityString );
while( entity )
{
// make sure you catch all entities of this name.
bFoundEntity = true;
AddEntityRelationship(entity, disposition, priority );
entity = gEntList.FindEntityByName( entity, entityString );
}
if( !bFoundEntity )
{
// Need special condition for player as we can only have one
if (!stricmp("player", entityString) || !stricmp("!player", entityString))
{
AddClassRelationship( CLASS_PLAYER, disposition, priority );
}
// Otherwise try to create one too see if a valid classname and get class type
else
{
// HACKHACK:
CBaseEntity *pEntity = CanCreateEntityClass( entityString ) ? CreateEntityByName( entityString ) : NULL;
if (pEntity)
{
AddClassRelationship( pEntity->Classify(), disposition, priority );
UTIL_RemoveImmediate(pEntity);
}
else
{
DevWarning( "Couldn't set relationship to unknown entity or class (%s)!\n", entityString );
}
}
}
// Check for another entity in the list
entityString = strtok(NULL," ");
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CAI_BaseNPC::AddEntityRelationship( CBaseEntity *pEntity, Disposition_t nDisposition, int nPriority )
{
#if 0
ForceGatherConditions();
#endif
BaseClass::AddEntityRelationship( pEntity, nDisposition, nPriority );
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CAI_BaseNPC::AddClassRelationship( Class_T nClass, Disposition_t nDisposition, int nPriority )
{
#if 0
ForceGatherConditions();
#endif
BaseClass::AddClassRelationship( nClass, nDisposition, nPriority );
}
//=========================================================
// NPCInitThink - Calls StartNPC. Startnpc is
// virtual, but this function cannot be
//=========================================================
void CAI_BaseNPC::NPCInitThink ( void )
{
// Initialize the relationship table
InitRelationshipTable();
StartNPC();
PostNPCInit();
if( GetSleepState() == AISS_AUTO_PVS )
{
// This code is a bit wonky, but it makes it easier for level designers to
// select this option in Hammer. So we set a sleep flag to indicate the choice,
// and then set the sleep state to awake (normal)
AddSleepFlags( AI_SLEEP_FLAG_AUTO_PVS );
SetSleepState( AISS_AWAKE );
}
if( GetSleepState() == AISS_AUTO_PVS_AFTER_PVS )
{
AddSleepFlags( AI_SLEEP_FLAG_AUTO_PVS_AFTER_PVS );
SetSleepState( AISS_AWAKE );
}
if ( GetSleepState() > AISS_AWAKE )
{
Sleep();
}
m_flLastRealThinkTime = gpGlobals->curtime;
}
//=========================================================
// StartNPC - final bit of initization before a npc
// is turned over to the AI.
//=========================================================
void CAI_BaseNPC::StartNPC( void )
{
// Raise npc off the floor one unit, then drop to floor
if ( (GetMoveType() != MOVETYPE_FLY) && (GetMoveType() != MOVETYPE_FLYGRAVITY) &&
!(CapabilitiesGet() & bits_CAP_MOVE_FLY) &&
!HasSpawnFlags( SF_NPC_FALL_TO_GROUND ) && !IsWaitingToRappel() && !GetMoveParent() )
{
Vector origin = GetLocalOrigin();
if (!GetMoveProbe()->FloorPoint( origin + Vector(0, 0, 0.1), MASK_NPCSOLID, 0, -2048, &origin ))
{
Warning( "NPC %s stuck in wall--level design error at (%.2f %.2f %.2f)\n", GetClassname(), GetAbsOrigin().x, GetAbsOrigin().y, GetAbsOrigin().z );
if ( g_pDeveloper->GetInt() > 1 )
{
m_debugOverlays |= OVERLAY_BBOX_BIT;
}
}
SetLocalOrigin( origin );
}
else
{
SetGroundEntity( NULL );
}
if ( m_target != NULL_STRING )// this npc has a target
{
// Find the npc's initial target entity, stash it
SetGoalEnt( gEntList.FindEntityByName( NULL, m_target ) );
if ( !GetGoalEnt() )
{
Warning( "ReadyNPC()--%s couldn't find target %s\n", GetClassname(), STRING(m_target));
}
else
{
StartTargetHandling( GetGoalEnt() );
}
}
//SetState ( m_IdealNPCState );
//SetActivity ( m_IdealActivity );
InitSquad();
//---------------------------------
//
// Spread think times of simultaneously spawned NPCs so that they don't all happen at the same time
//
// Think distribution based on spawn order is:
//
// Tick offset Think time Spawn order
// 0 0 1
// 1 0.015 13
// 2 0.03 5
// 3 0.045 9
// 4 0.06 18
// 5 0.075 3
// 6 0.09 15
// 7 0.105 11
// 8 0.12 7
// 9 0.135 17
// 10 0.15 2
// 11 0.165 14
// 12 0.18 6
// 13 0.195 19
// 14 0.21 10
// 15 0.225 4
// 16 0.24 16
// 17 0.255 12
// 18 0.27 8
// 19 0.285 20
// If this NPC is spawning late in the game, just push through the rest of the initialization
// start thinking right now. Some spread is added to handle triggered spawns that bring
// a bunch of NPCs into the level
SetThink ( &CAI_BaseNPC::CallNPCThink );
if ( gm_flTimeLastSpawn != gpGlobals->curtime )
{
gm_nSpawnedThisFrame = 0;
gm_flTimeLastSpawn = gpGlobals->curtime;
}
static const float nextThinkTimes[20] =
{
.0, .150, .075, .225, .030, .180, .120, .270, .045, .210, .105, .255, .015, .165, .090, .240, .135, .060, .195, .285
};
SetNextThink( gpGlobals->curtime + nextThinkTimes[gm_nSpawnedThisFrame % 20] );
gm_nSpawnedThisFrame++;
//---------------------------------
m_ScriptArrivalActivity = AIN_DEF_ACTIVITY;
m_strScriptArrivalSequence = NULL_STRING;
if ( HasSpawnFlags(SF_NPC_WAIT_FOR_SCRIPT) )
{
SetState( NPC_STATE_IDLE );
m_Activity = m_IdealActivity;
m_nIdealSequence = GetSequence();
SetSchedule( SCHED_WAIT_FOR_SCRIPT );
}
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::StartTargetHandling( CBaseEntity *pTargetEnt )
{
// set the npc up to walk a path corner path.
// !!!BUGBUG - this is a minor bit of a hack.
// JAYJAY
// NPC will start turning towards his destination
bool bIsFlying = (GetMoveType() == MOVETYPE_FLY) || (GetMoveType() == MOVETYPE_FLYGRAVITY);
AI_NavGoal_t goal( GOALTYPE_PATHCORNER, pTargetEnt->GetAbsOrigin(),
bIsFlying ? ACT_FLY : ACT_WALK,
AIN_DEF_TOLERANCE, AIN_YAW_TO_DEST);
SetState( NPC_STATE_IDLE );
SetSchedule( SCHED_IDLE_WALK );
if ( !GetNavigator()->SetGoal( goal ) )
{
DevWarning( 2, "Can't Create Route!\n" );
}
}
//-----------------------------------------------------------------------------
// Purpose: Connect my memory to the squad's
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::InitSquad( void )
{
// -------------------------------------------------------
// If I form squads add me to a squad
// -------------------------------------------------------
if (!m_pSquad && ( CapabilitiesGet() & bits_CAP_SQUAD ))
{
if ( !m_SquadName )
{
DevMsg(2, "Found %s that isn't in a squad\n",GetClassname());
}
else
{
m_pSquad = g_AI_SquadManager.FindCreateSquad(this, m_SquadName);
}
}
return ( m_pSquad != NULL );
}
//-----------------------------------------------------------------------------
// Purpose: Get the memory for this NPC
//-----------------------------------------------------------------------------
CAI_Enemies *CAI_BaseNPC::GetEnemies( void )
{
return m_pEnemies;
}
//-----------------------------------------------------------------------------
// Purpose: Remove this NPC's memory
//-----------------------------------------------------------------------------
void CAI_BaseNPC::RemoveMemory( void )
{
delete m_pEnemies;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::TaskComplete( bool fIgnoreSetFailedCondition )
{
EndTaskOverlay();
// Handy thing to use for debugging
//if (IsCurSchedule(SCHED_PUT_HERE) &&
// GetTask()->iTask == TASK_PUT_HERE)
//{
// int put_breakpoint_here = 5;
//}
if ( fIgnoreSetFailedCondition || !HasCondition(COND_TASK_FAILED) )
{
SetTaskStatus( TASKSTATUS_COMPLETE );
}
}
void CAI_BaseNPC::TaskMovementComplete( void )
{
switch( GetTaskStatus() )
{
case TASKSTATUS_NEW:
case TASKSTATUS_RUN_MOVE_AND_TASK:
SetTaskStatus( TASKSTATUS_RUN_TASK );
break;
case TASKSTATUS_RUN_MOVE:
TaskComplete();
break;
case TASKSTATUS_RUN_TASK:
// FIXME: find out how to safely restart movement
//Warning( "Movement completed twice!\n" );
//Assert( 0 );
break;
case TASKSTATUS_COMPLETE:
break;
}
// JAY: Put this back in.
// UNDONE: Figure out how much of the timestep was consumed by movement
// this frame and restart the movement/schedule engine if necessary
if ( m_scriptState != SCRIPT_CUSTOM_MOVE_TO_MARK )
{
SetIdealActivity( GetStoppedActivity() );
}
// Advance past the last node (in case there is some event at this node)
if ( GetNavigator()->IsGoalActive() )
{
GetNavigator()->AdvancePath();
}
// Now clear the path, it's done.
GetNavigator()->ClearGoal();
OnMovementComplete();
}
int CAI_BaseNPC::TaskIsRunning( void )
{
if ( GetTaskStatus() != TASKSTATUS_COMPLETE &&
GetTaskStatus() != TASKSTATUS_RUN_MOVE )
return 1;
return 0;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::TaskFail( AI_TaskFailureCode_t code )
{
EndTaskOverlay();
// Handy tool for debugging
//if (IsCurSchedule(SCHED_PUT_NAME_HERE))
//{
// int put_breakpoint_here = 5;
//}
// If in developer mode save the fail text for debug output
if (g_pDeveloper->GetInt())
{
m_failText = TaskFailureToString( code );
m_interuptSchedule = NULL;
m_failedSchedule = GetCurSchedule();
if (m_debugOverlays & OVERLAY_TASK_TEXT_BIT)
{
DevMsg(this, AIMF_IGNORE_SELECTED, " TaskFail -> %s\n", m_failText );
}
ADD_DEBUG_HISTORY( HISTORY_AI_DECISIONS, UTIL_VarArgs("%s(%d): TaskFail -> %s\n", GetDebugName(), entindex(), m_failText ) );
//AddTimedOverlay( fail_text, 5);
}
m_ScheduleState.taskFailureCode = code;
SetCondition(COND_TASK_FAILED);
Forget( bits_MEMORY_TURNING );
}
//------------------------------------------------------------------------------
// Purpose : Remember that this entity wasn't reachable
// Input :
// Output :
//------------------------------------------------------------------------------
void CAI_BaseNPC::RememberUnreachable(CBaseEntity *pEntity, float duration )
{
if ( pEntity == GetEnemy() )
{
ForceChooseNewEnemy();
}
const float NPC_UNREACHABLE_TIMEOUT = ( duration > 0.0 ) ? duration : 3;
// Only add to list if not already on it
for (int i=m_UnreachableEnts.Size()-1;i>=0;i--)
{
// If record already exists just update mark time
if (pEntity == m_UnreachableEnts[i].hUnreachableEnt)
{
m_UnreachableEnts[i].fExpireTime = gpGlobals->curtime + NPC_UNREACHABLE_TIMEOUT;
m_UnreachableEnts[i].vLocationWhenUnreachable = pEntity->GetAbsOrigin();
return;
}
}
// Add new unreachabe entity to list
int nNewIndex = m_UnreachableEnts.AddToTail();
m_UnreachableEnts[nNewIndex].hUnreachableEnt = pEntity;
m_UnreachableEnts[nNewIndex].fExpireTime = gpGlobals->curtime + NPC_UNREACHABLE_TIMEOUT;
m_UnreachableEnts[nNewIndex].vLocationWhenUnreachable = pEntity->GetAbsOrigin();
}
//------------------------------------------------------------------------------
// Purpose : Returns true is entity was remembered as unreachable.
// After a time delay reachability is checked
// Input :
// Output :
//------------------------------------------------------------------------------
bool CAI_BaseNPC::IsUnreachable(CBaseEntity *pEntity)
{
float UNREACHABLE_DIST_TOLERANCE_SQ = (120*120);
// Note that it's ok to remove elements while I'm iterating
// as long as I iterate backwards and remove them using FastRemove
for (int i=m_UnreachableEnts.Size()-1;i>=0;i--)
{
// Remove any dead elements
if (m_UnreachableEnts[i].hUnreachableEnt == NULL)
{
m_UnreachableEnts.FastRemove(i);
}
else if (pEntity == m_UnreachableEnts[i].hUnreachableEnt)
{
// Test for reachablility on any elements that have timed out
if ( gpGlobals->curtime > m_UnreachableEnts[i].fExpireTime ||
pEntity->GetAbsOrigin().DistToSqr(m_UnreachableEnts[i].vLocationWhenUnreachable) > UNREACHABLE_DIST_TOLERANCE_SQ)
{
m_UnreachableEnts.FastRemove(i);
return false;
}
return true;
}
}
return false;
}
bool CAI_BaseNPC::IsValidEnemy( CBaseEntity *pEnemy )
{
CAI_BaseNPC *pEnemyNPC = pEnemy->MyNPCPointer();
if ( pEnemyNPC && pEnemyNPC->CanBeAnEnemyOf( this ) == false )
return false;
// Test our enemy filter
if ( m_hEnemyFilter.Get()!= NULL && m_hEnemyFilter->PassesFilter( this, pEnemy ) == false )
return false;
return true;
}
bool CAI_BaseNPC::CanBeAnEnemyOf( CBaseEntity *pEnemy )
{
if ( GetSleepState() > AISS_WAITING_FOR_THREAT )
return false;
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Picks best enemy from my list of enemies
// Prefers reachable enemies over enemies that are unreachable,
// regardless of priority. For enemies that are both reachable or
// unreachable picks by priority. If priority is the same, picks
// by distance.
// Input :
// Output :
//-----------------------------------------------------------------------------
CBaseEntity *CAI_BaseNPC::BestEnemy( void )
{
AI_PROFILE_SCOPE( CAI_BaseNPC_BestEnemy );
// TODO - may want to consider distance, attack types, back turned, etc.
CBaseEntity* pBestEnemy = NULL;
int iBestDistSq = MAX_COORD_RANGE * MAX_COORD_RANGE;// so first visible entity will become the closest.
int iBestPriority = -1000;
bool bBestUnreachable = true; // Forces initial check
ThreeState_t fBestSeen = TRS_NONE;
ThreeState_t fBestVisible = TRS_NONE;
int iDistSq;
bool bUnreachable = false;
AIEnemiesIter_t iter;
DbgEnemyMsg( this, "BestEnemy() {\n" );
for( AI_EnemyInfo_t *pEMemory = GetEnemies()->GetFirst(&iter); pEMemory != NULL; pEMemory = GetEnemies()->GetNext(&iter) )
{
CBaseEntity *pEnemy = pEMemory->hEnemy;
if (!pEnemy || !pEnemy->IsAlive())
{
if ( pEnemy )
DbgEnemyMsg( this, " %s rejected: dead\n", pEnemy->GetDebugName() );
continue;
}
if ( (pEnemy->GetFlags() & FL_NOTARGET) )
{
DbgEnemyMsg( this, " %s rejected: no target\n", pEnemy->GetDebugName() );
continue;
}
if ( m_bIgnoreUnseenEnemies )
{
const float TIME_CONSIDER_ENEMY_UNSEEN = .4;
if ( pEMemory->timeLastSeen < gpGlobals->curtime - TIME_CONSIDER_ENEMY_UNSEEN )
{
DbgEnemyMsg( this, " %s rejected: not seen and set to ignore unseen enemies\n", pEnemy->GetDebugName() );
continue;
}
}
// UNDONE: Move relationship checks into IsValidEnemy?
Disposition_t relation = IRelationType( pEnemy );
if ( (relation != D_HT && relation != D_FR) )
{
DbgEnemyMsg( this, " %s rejected: no hate/fear\n", pEnemy->GetDebugName() );
continue;
}
if ( m_flAcceptableTimeSeenEnemy > 0.0 && pEMemory->timeLastSeen < m_flAcceptableTimeSeenEnemy )
{
DbgEnemyMsg( this, " %s rejected: old\n", pEnemy->GetDebugName() );
continue;
}
if ( pEMemory->timeValidEnemy > gpGlobals->curtime )
{
DbgEnemyMsg( this, " %s rejected: not yet valid\n", pEnemy->GetDebugName() );
continue;
}
// Skip enemies that have eluded me to prevent infinite loops
if ( pEMemory->bEludedMe )
{
DbgEnemyMsg( this, " %s rejected: eluded\n", pEnemy->GetDebugName() );
continue;
}
// Skip enemies I fear that I've never seen. (usually seen through an enemy finder)
if ( relation == D_FR && !pEMemory->bUnforgettable && pEMemory->timeFirstSeen == AI_INVALID_TIME )
{
DbgEnemyMsg( this, " %s rejected: feared, but never seen\n", pEnemy->GetDebugName() );
continue;
}
if ( !IsValidEnemy( pEnemy ) )
{
DbgEnemyMsg( this, " %s rejected: not valid\n", pEnemy->GetDebugName() );
continue;
}
// establish the reachability of this enemy
bUnreachable = IsUnreachable(pEnemy);
// If best is reachable and current is unreachable, skip the unreachable enemy regardless of priority
if (!bBestUnreachable && bUnreachable)
{
DbgEnemyMsg( this, " %s rejected: unreachable\n", pEnemy->GetDebugName() );
continue;
}
// If best is unreachable and current is reachable, always pick the current regardless of priority
if (bBestUnreachable && !bUnreachable)
{
DbgEnemyMsg( this, " %s accepted (1)\n", pEnemy->GetDebugName() );
if ( pBestEnemy )
DbgEnemyMsg( this, " (%s displaced)\n", pBestEnemy->GetDebugName() );
iBestPriority = IRelationPriority ( pEnemy );
iBestDistSq = (pEnemy->GetAbsOrigin() - GetAbsOrigin() ).LengthSqr();
pBestEnemy = pEnemy;
bBestUnreachable = bUnreachable;
fBestSeen = TRS_NONE;
fBestVisible = TRS_NONE;
}
// If both are unreachable or both are reachable, choose enemy based on priority and distance
else if ( IRelationPriority( pEnemy ) > iBestPriority )
{
DbgEnemyMsg( this, " %s accepted\n", pEnemy->GetDebugName() );
if ( pBestEnemy )
DbgEnemyMsg( this, " (%s displaced due to priority, %d > %d )\n", pBestEnemy->GetDebugName(), IRelationPriority( pEnemy ), iBestPriority );
// this entity is disliked MORE than the entity that we
// currently think is the best visible enemy. No need to do
// a distance check, just get mad at this one for now.
iBestPriority = IRelationPriority ( pEnemy );
iBestDistSq = ( pEnemy->GetAbsOrigin() - GetAbsOrigin() ).LengthSqr();
pBestEnemy = pEnemy;
bBestUnreachable = bUnreachable;
fBestSeen = TRS_NONE;
fBestVisible = TRS_NONE;
}
else if ( IRelationPriority( pEnemy ) == iBestPriority )
{
// this entity is disliked just as much as the entity that
// we currently think is the best visible enemy, so we only
// get mad at it if it is closer.
iDistSq = ( pEnemy->GetAbsOrigin() - GetAbsOrigin() ).LengthSqr();
bool bAcceptCurrent = false;
bool bCloser = ( ( iBestDistSq - iDistSq ) > EnemyDistTolerance() );
ThreeState_t fCurSeen = TRS_NONE;
ThreeState_t fCurVisible = TRS_NONE;
// The following code is constructed in such a verbose manner to
// ensure the expensive calls only occur if absolutely needed
// If current is farther, and best has previously been confirmed as seen or visible, move on
if ( !bCloser)
{
if ( fBestSeen == TRS_TRUE || fBestVisible == TRS_TRUE )
{
DbgEnemyMsg( this, " %s rejected: current is closer and seen\n", pEnemy->GetDebugName() );
continue;
}
}
// If current is closer, and best has previously been confirmed as not seen and not visible, take it
if ( bCloser)
{
if ( fBestSeen == TRS_FALSE && fBestVisible == TRS_FALSE )
{
bAcceptCurrent = true;
}
}
if ( !bAcceptCurrent )
{
// If current is closer, and seen, take it
if ( bCloser )
{
fCurSeen = ( GetSenses()->DidSeeEntity( pEnemy ) ) ? TRS_TRUE : TRS_FALSE;
bAcceptCurrent = ( fCurSeen == TRS_TRUE );
}
}
if ( !bAcceptCurrent )
{
// If current is farther, and best is seen, move on
if ( !bCloser )
{
if ( fBestSeen == TRS_NONE )
{
fBestSeen = ( GetSenses()->DidSeeEntity( pBestEnemy ) ) ? TRS_TRUE : TRS_FALSE;
}
if ( fBestSeen == TRS_TRUE )
{
DbgEnemyMsg( this, " %s rejected: current is closer and seen\n", pEnemy->GetDebugName() );
continue;
}
}
// At this point, need to start performing expensive tests
if ( bCloser && fBestVisible == TRS_NONE )
{
// Perform shortest FVisible
fCurVisible = ( ( EnemyDistance( pEnemy ) < GetSenses()->GetDistLook() ) && FVisible( pEnemy ) ) ? TRS_TRUE : TRS_FALSE;
bAcceptCurrent = ( fCurVisible == TRS_TRUE );
}
// Alas, must do the most expensive comparison
if ( !bAcceptCurrent )
{
if ( fBestSeen == TRS_NONE )
{
fBestSeen = ( GetSenses()->DidSeeEntity( pBestEnemy ) ) ? TRS_TRUE : TRS_FALSE;
}
if ( fBestVisible == TRS_NONE )
{
fBestVisible = ( ( EnemyDistance( pBestEnemy ) < GetSenses()->GetDistLook() ) && FVisible( pBestEnemy ) ) ? TRS_TRUE : TRS_FALSE;
}
if ( fCurSeen == TRS_NONE )
{
fCurSeen = ( GetSenses()->DidSeeEntity( pEnemy ) ) ? TRS_TRUE : TRS_FALSE;
}
if ( fCurVisible == TRS_NONE )
{
fCurVisible = ( ( EnemyDistance( pEnemy ) < GetSenses()->GetDistLook() ) && FVisible( pEnemy ) ) ? TRS_TRUE : TRS_FALSE;
}
bool bBestSeenOrVisible = ( fBestSeen == TRS_TRUE || fBestVisible == TRS_TRUE );
bool bCurSeenOrVisible = ( fCurSeen == TRS_TRUE || fCurVisible == TRS_TRUE );
if ( !bCloser)
{
if ( bBestSeenOrVisible )
{
DbgEnemyMsg( this, " %s rejected: current is closer and seen\n", pEnemy->GetDebugName() );
continue;
}
else if ( !bCurSeenOrVisible )
{
DbgEnemyMsg( this, " %s rejected: current is closer and neither is seen\n", pEnemy->GetDebugName() );
continue;
}
}
else // Closer
{
if ( !bCurSeenOrVisible && bBestSeenOrVisible )
{
DbgEnemyMsg( this, " %s rejected: current is father but seen\n", pEnemy->GetDebugName() );
continue;
}
}
}
}
DbgEnemyMsg( this, " %s accepted\n", pEnemy->GetDebugName() );
if ( pBestEnemy )
DbgEnemyMsg( this, " (%s displaced due to distance/visibility)\n", pBestEnemy->GetDebugName() );
fBestSeen = fCurSeen;
fBestVisible = fCurVisible;
iBestDistSq = iDistSq;
iBestPriority = IRelationPriority ( pEnemy );
pBestEnemy = pEnemy;
bBestUnreachable = bUnreachable;
}
else
DbgEnemyMsg( this, " %s rejected: lower priority\n", pEnemy->GetDebugName() );
}
DbgEnemyMsg( this, "} == %s\n", pBestEnemy->GetDebugName() );
return pBestEnemy;
}
//-----------------------------------------------------------------------------
// Purpose: Given a node returns the appropriate reload activity
// Input :
// Output :
//-----------------------------------------------------------------------------
Activity CAI_BaseNPC::GetReloadActivity( CAI_Hint* pHint )
{
Activity nReloadActivity = ACT_RELOAD;
if (pHint && GetEnemy()!=NULL)
{
switch (pHint->HintType())
{
case HINT_TACTICAL_COVER_LOW:
case HINT_TACTICAL_COVER_MED:
{
if (SelectWeightedSequence( ACT_RELOAD_LOW ) != ACTIVITY_NOT_AVAILABLE)
{
Vector vEyePos = GetAbsOrigin() + EyeOffset(ACT_RELOAD_LOW);
// Check if this location will block the threat's line of sight to me
trace_t tr;
AI_TraceLOS( vEyePos, GetEnemy()->EyePosition(), this, &tr );
if (tr.fraction != 1.0)
{
nReloadActivity = ACT_RELOAD_LOW;
}
}
break;
}
}
}
return nReloadActivity;
}
//-----------------------------------------------------------------------------
// Purpose: Given a node returns the appropriate cover activity
// Input :
// Output :
//-----------------------------------------------------------------------------
Activity CAI_BaseNPC::GetCoverActivity( CAI_Hint *pHint )
{
Activity nCoverActivity = ACT_INVALID;
// ---------------------------------------------------------------
// Check if hint node specifies different cover type
// ---------------------------------------------------------------
if (pHint)
{
switch (pHint->HintType())
{
case HINT_TACTICAL_COVER_MED:
{
nCoverActivity = ACT_COVER_MED;
break;
}
case HINT_TACTICAL_COVER_LOW:
{
nCoverActivity = ACT_COVER_LOW;
break;
}
}
}
if ( nCoverActivity == ACT_INVALID )
nCoverActivity = ACT_COVER;
return nCoverActivity;
}
//=========================================================
// CalcIdealYaw - gets a yaw value for the caller that would
// face the supplied vector. Value is stuffed into the npc's
// ideal_yaw
//=========================================================
float CAI_BaseNPC::CalcIdealYaw( const Vector &vecTarget )
{
Vector vecProjection;
// strafing npc needs to face 90 degrees away from its goal
if ( GetNavigator()->GetMovementActivity() == ACT_STRAFE_LEFT )
{
vecProjection.x = -vecTarget.y;
vecProjection.y = vecTarget.x;
return UTIL_VecToYaw( vecProjection - GetLocalOrigin() );
}
else if ( GetNavigator()->GetMovementActivity() == ACT_STRAFE_RIGHT )
{
vecProjection.x = vecTarget.y;
vecProjection.y = vecTarget.x;
return UTIL_VecToYaw( vecProjection - GetLocalOrigin() );
}
else
{
return UTIL_VecToYaw ( vecTarget - GetLocalOrigin() );
}
}
//=========================================================
// SetEyePosition
//
// queries the npc's model for $eyeposition and copies
// that vector to the npc's m_vDefaultEyeOffset and m_vecViewOffset
//
//=========================================================
void CAI_BaseNPC::SetDefaultEyeOffset ( void )
{
if ( GetModelPtr() )
{
GetEyePosition( GetModelPtr(), m_vDefaultEyeOffset );
if ( m_vDefaultEyeOffset == vec3_origin )
{
if ( Classify() != CLASS_NONE )
{
DevMsg( "WARNING: %s(%s) has no eye offset in .qc!\n", GetClassname(), STRING(GetModelName()) );
}
VectorAdd( WorldAlignMins(), WorldAlignMaxs(), m_vDefaultEyeOffset );
m_vDefaultEyeOffset *= 0.75;
}
}
else
m_vDefaultEyeOffset = vec3_origin;
SetViewOffset( m_vDefaultEyeOffset );
}
//------------------------------------------------------------------------------
// Purpose : Returns eye offset for an NPC for the given activity
// Input :
// Output :
//------------------------------------------------------------------------------
Vector CAI_BaseNPC::EyeOffset( Activity nActivity )
{
if ( CapabilitiesGet() & bits_CAP_DUCK )
{
if ( IsCrouchedActivity( nActivity ) )
return GetCrouchEyeOffset();
}
// if the hint doesn't tell anything, assume current state
if ( IsCrouching() )
return GetCrouchEyeOffset();
return m_vDefaultEyeOffset * GetModelScale();
}
//-----------------------------------------------------------------------------
// Purpose:
// Output : Vector
//-----------------------------------------------------------------------------
Vector CAI_BaseNPC::EyePosition( void )
{
if ( IsCrouching() )
return GetAbsOrigin() + GetCrouchEyeOffset();
return BaseClass::EyePosition();
}
//------------------------------------------------------------------------------
// Purpose :
// Input :
// Output :
//------------------------------------------------------------------------------
void CAI_BaseNPC::HandleAnimEvent( animevent_t *pEvent )
{
// UNDONE: Share this code into CBaseAnimating as appropriate?
switch( pEvent->event )
{
case SCRIPT_EVENT_DEAD:
if ( m_NPCState == NPC_STATE_SCRIPT )
{
m_lifeState = LIFE_DYING;
// Kill me now! (and fade out when CineCleanup() is called)
#if _DEBUG
DevMsg( 2, "Death event: %s\n", GetClassname() );
#endif
m_iHealth = 0;
}
#if _DEBUG
else
DevWarning( 2, "INVALID death event:%s\n", GetClassname() );
#endif
break;
case SCRIPT_EVENT_NOT_DEAD:
if ( m_NPCState == NPC_STATE_SCRIPT )
{
m_lifeState = LIFE_ALIVE;
// This is for life/death sequences where the player can determine whether a character is dead or alive after the script
m_iHealth = m_iMaxHealth;
}
break;
case SCRIPT_EVENT_SOUND: // Play a named wave file
{
EmitSound( pEvent->options );
}
break;
case SCRIPT_EVENT_SOUND_VOICE:
{
EmitSound( pEvent->options );
}
break;
case SCRIPT_EVENT_SENTENCE_RND1: // Play a named sentence group 33% of the time
if (random->RandomInt(0,2) == 0)
break;
// fall through...
case SCRIPT_EVENT_SENTENCE: // Play a named sentence group
SENTENCEG_PlayRndSz( edict(), pEvent->options, 1.0, SNDLVL_TALKING, 0, 100 );
break;
case SCRIPT_EVENT_FIREEVENT:
{
//
// Fire a script event. The number of the script event to fire is in the options string.
//
if ( m_hCine != NULL )
{
m_hCine->FireScriptEvent( atoi( pEvent->options ) );
}
else
{
// FIXME: look so see if it's playing a vcd and fire those instead
// AssertOnce( 0 );
}
break;
}
case SCRIPT_EVENT_FIRE_INPUT:
{
variant_t emptyVariant;
this->AcceptInput( pEvent->options, this, this, emptyVariant, 0 );
break;
}
case SCRIPT_EVENT_NOINTERRUPT: // Can't be interrupted from now on
if ( m_hCine )
m_hCine->AllowInterrupt( false );
break;
case SCRIPT_EVENT_CANINTERRUPT: // OK to interrupt now
if ( m_hCine )
m_hCine->AllowInterrupt( true );
break;
#if 0
case SCRIPT_EVENT_INAIR: // Don't engine->DropToFloor()
case SCRIPT_EVENT_ENDANIMATION: // Set ending animation sequence to
break;
#endif
case SCRIPT_EVENT_BODYGROUPON:
case SCRIPT_EVENT_BODYGROUPOFF:
case SCRIPT_EVENT_BODYGROUPTEMP:
DevMsg( "Bodygroup!\n" );
break;
case AE_NPC_ATTACK_BROADCAST:
break;
case NPC_EVENT_BODYDROP_HEAVY:
if ( GetFlags() & FL_ONGROUND )
{
EmitSound( "AI_BaseNPC.BodyDrop_Heavy" );
}
break;
case NPC_EVENT_BODYDROP_LIGHT:
if ( GetFlags() & FL_ONGROUND )
{
EmitSound( "AI_BaseNPC.BodyDrop_Light" );
}
break;
case NPC_EVENT_SWISHSOUND:
{
// NO NPC may use this anim event unless that npc's precache precaches this sound!!!
EmitSound( "AI_BaseNPC.SwishSound" );
break;
}
case NPC_EVENT_180TURN:
{
//DevMsg( "Turned!\n" );
SetIdealActivity( ACT_IDLE );
Forget( bits_MEMORY_TURNING );
SetBoneController( 0, GetLocalAngles().y );
IncrementInterpolationFrame();
break;
}
case NPC_EVENT_ITEM_PICKUP:
{
CBaseEntity *pPickup = NULL;
//
// Figure out what we're supposed to pick up.
//
if ( pEvent->options && strlen( pEvent->options ) > 0 )
{
// Pick up the weapon or item that was specified in the anim event.
pPickup = gEntList.FindEntityGenericNearest( pEvent->options, GetAbsOrigin(), 256, this );
}
else
{
// Pick up the weapon or item that was found earlier and cached in our target pointer.
pPickup = GetTarget();
}
// Make sure we found something to pick up.
if ( !pPickup )
{
TaskFail("Item no longer available!\n");
break;
}
// Make sure the item hasn't moved.
float flDist = ( pPickup->WorldSpaceCenter() - GetAbsOrigin() ).Length2D();
if ( flDist > ITEM_PICKUP_TOLERANCE )
{
TaskFail("Item has moved!\n");
break;
}
CBaseCombatWeapon *pWeapon = dynamic_cast<CBaseCombatWeapon *>( pPickup );
if ( pWeapon )
{
// Picking up a weapon.
CBaseCombatCharacter *pOwner = pWeapon->GetOwner();
if ( pOwner )
{
TaskFail( "Weapon in use by someone else" );
}
else if ( !pWeapon )
{
TaskFail( "Weapon doesn't exist" );
}
else if (!Weapon_CanUse( pWeapon ))
{
TaskFail( "Can't use this weapon type" );
}
else
{
PickupWeapon( pWeapon );
TaskComplete();
break;
}
}
else
{
// Picking up an item.
PickupItem( pPickup );
TaskComplete();
}
break;
}
case NPC_EVENT_WEAPON_SET_SEQUENCE_NUMBER:
{
CBaseCombatWeapon *pWeapon = GetActiveWeapon();
if ((pWeapon) && (pEvent->options))
{
int nSequence = atoi(pEvent->options);
if (nSequence != -1)
{
pWeapon->ResetSequence(nSequence);
}
}
break;
}
case NPC_EVENT_WEAPON_SET_SEQUENCE_NAME:
{
CBaseCombatWeapon *pWeapon = GetActiveWeapon();
if ((pWeapon) && (pEvent->options))
{
int nSequence = pWeapon->LookupSequence(pEvent->options);
if (nSequence != -1)
{
pWeapon->ResetSequence(nSequence);
}
}
break;
}
case NPC_EVENT_WEAPON_SET_ACTIVITY:
{
CBaseCombatWeapon *pWeapon = GetActiveWeapon();
if ((pWeapon) && (pEvent->options))
{
Activity act = (Activity)pWeapon->LookupActivity(pEvent->options);
if (act != ACT_INVALID)
{
// FIXME: where should the duration come from? normally it would come from the current sequence
Weapon_SetActivity(act, 0);
}
}
break;
}
case NPC_EVENT_WEAPON_DROP:
{
//
// Drop our active weapon (or throw it at the specified target entity).
//
CBaseEntity *pTarget = NULL;
if (pEvent->options)
{
pTarget = gEntList.FindEntityGeneric(NULL, pEvent->options, this);
}
if (pTarget)
{
Vector vecTargetPos = pTarget->WorldSpaceCenter();
Weapon_Drop(GetActiveWeapon(), &vecTargetPos);
}
else
{
Weapon_Drop(GetActiveWeapon());
}
break;
}
case EVENT_WEAPON_RELOAD:
{
if ( GetActiveWeapon() )
{
GetActiveWeapon()->WeaponSound( RELOAD_NPC );
GetActiveWeapon()->m_iClip1 = GetActiveWeapon()->GetMaxClip1();
ClearCondition(COND_LOW_PRIMARY_AMMO);
ClearCondition(COND_NO_PRIMARY_AMMO);
ClearCondition(COND_NO_SECONDARY_AMMO);
}
break;
}
case EVENT_WEAPON_RELOAD_SOUND:
{
if ( GetActiveWeapon() )
{
GetActiveWeapon()->WeaponSound( RELOAD_NPC );
}
break;
}
case EVENT_WEAPON_RELOAD_FILL_CLIP:
{
if ( GetActiveWeapon() )
{
GetActiveWeapon()->m_iClip1 = GetActiveWeapon()->GetMaxClip1();
ClearCondition(COND_LOW_PRIMARY_AMMO);
ClearCondition(COND_NO_PRIMARY_AMMO);
ClearCondition(COND_NO_SECONDARY_AMMO);
}
break;
}
case NPC_EVENT_LEFTFOOT:
case NPC_EVENT_RIGHTFOOT:
// For right now, do nothing. All functionality for this lives in individual npcs.
break;
case NPC_EVENT_OPEN_DOOR:
{
CBasePropDoor *pDoor = (CBasePropDoor *)(CBaseEntity *)GetNavigator()->GetPath()->GetCurWaypoint()->GetEHandleData();
if (pDoor != NULL)
{
OpenPropDoorNow( pDoor );
}
break;
}
default:
if ((pEvent->type & AE_TYPE_NEWEVENTSYSTEM) && (pEvent->type & AE_TYPE_SERVER))
{
if (pEvent->event == AE_NPC_HOLSTER)
{
// Cache off the weapon.
CBaseCombatWeapon *pWeapon = GetActiveWeapon();
Assert( pWeapon != NULL );
GetActiveWeapon()->Holster();
SetActiveWeapon( NULL );
//Force the NPC to recalculate it's arrival activity since it'll most likely be wrong now that we don't have a weapon out.
GetNavigator()->SetArrivalSequence( ACT_INVALID );
if ( m_iDesiredWeaponState == DESIREDWEAPONSTATE_CHANGING_DESTROY )
{
// Get rid of it!
UTIL_Remove( pWeapon );
}
if ( m_iDesiredWeaponState != DESIREDWEAPONSTATE_IGNORE )
{
m_iDesiredWeaponState = DESIREDWEAPONSTATE_IGNORE;
m_Activity = ACT_RESET;
}
return;
}
else if (pEvent->event == AE_NPC_DRAW)
{
if (GetActiveWeapon())
{
GetActiveWeapon()->Deploy();
//Force the NPC to recalculate it's arrival activity since it'll most likely be wrong now.
GetNavigator()->SetArrivalSequence( ACT_INVALID );
if ( m_iDesiredWeaponState != DESIREDWEAPONSTATE_IGNORE )
{
m_iDesiredWeaponState = DESIREDWEAPONSTATE_IGNORE;
m_Activity = ACT_RESET;
}
}
return;
}
else if ( pEvent->event == AE_NPC_BODYDROP_HEAVY )
{
if ( GetFlags() & FL_ONGROUND )
{
EmitSound( "AI_BaseNPC.BodyDrop_Heavy" );
}
return;
}
else if ( pEvent->event == AE_NPC_LEFTFOOT || pEvent->event == AE_NPC_RIGHTFOOT )
{
return;
}
else if ( pEvent->event == AE_NPC_RAGDOLL )
{
// Convert to ragdoll immediately
BecomeRagdollOnClient( vec3_origin );
return;
}
else if ( pEvent->event == AE_NPC_ADDGESTURE )
{
Activity act = ( Activity )LookupActivity( pEvent->options );
if (act != ACT_INVALID)
{
act = TranslateActivity( act );
if (act != ACT_INVALID)
{
AddGesture( act );
}
}
return;
}
else if ( pEvent->event == AE_NPC_RESTARTGESTURE )
{
Activity act = ( Activity )LookupActivity( pEvent->options );
if (act != ACT_INVALID)
{
act = TranslateActivity( act );
if (act != ACT_INVALID)
{
RestartGesture( act );
}
}
return;
}
else if ( pEvent->event == AE_NPC_WEAPON_DROP )
{
// Drop our active weapon (or throw it at the specified target entity).
CBaseEntity *pTarget = NULL;
if (pEvent->options)
{
pTarget = gEntList.FindEntityGeneric(NULL, pEvent->options, this);
}
if (pTarget)
{
Vector vecTargetPos = pTarget->WorldSpaceCenter();
Weapon_Drop(GetActiveWeapon(), &vecTargetPos);
}
else
{
Weapon_Drop(GetActiveWeapon());
}
return;
}
else if ( pEvent->event == AE_NPC_WEAPON_SET_ACTIVITY )
{
CBaseCombatWeapon *pWeapon = GetActiveWeapon();
if ((pWeapon) && (pEvent->options))
{
Activity act = (Activity)pWeapon->LookupActivity(pEvent->options);
if (act == ACT_INVALID)
{
// Try and translate it
act = Weapon_TranslateActivity( (Activity)CAI_BaseNPC::GetActivityID(pEvent->options), NULL );
}
if (act != ACT_INVALID)
{
// FIXME: where should the duration come from? normally it would come from the current sequence
Weapon_SetActivity(act, 0);
}
}
return;
}
else if ( pEvent->event == AE_NPC_SET_INTERACTION_CANTDIE )
{
SetInteractionCantDie( (atoi(pEvent->options) != 0) );
return;
}
else if ( pEvent->event == AE_NPC_HURT_INTERACTION_PARTNER )
{
// If we're currently interacting with an enemy, hurt them/me
if ( m_hInteractionPartner )
{
CAI_BaseNPC *pTarget = NULL;
CAI_BaseNPC *pAttacker = NULL;
if ( pEvent->options )
{
char szEventOptions[128];
Q_strncpy( szEventOptions, pEvent->options, sizeof(szEventOptions) );
char *pszParam = strtok( szEventOptions, " " );
if ( pszParam )
{
if ( !Q_strncmp( pszParam, "ME", 2 ) )
{
pTarget = this;
pAttacker = m_hInteractionPartner;
}
else if ( !Q_strncmp( pszParam, "THEM", 4 ) )
{
pAttacker = this;
pTarget = m_hInteractionPartner;
}
pszParam = strtok(NULL," ");
if ( pAttacker && pTarget && pszParam )
{
int iDamage = atoi( pszParam );
if ( iDamage )
{
// We've got a target, and damage. Now hurt them.
CTakeDamageInfo info;
info.SetDamage( iDamage );
info.SetAttacker( pAttacker );
info.SetInflictor( pAttacker );
info.SetDamageType( DMG_GENERIC | DMG_PREVENT_PHYSICS_FORCE );
pTarget->TakeDamage( info );
return;
}
}
}
}
// Bad data. Explain how to use this anim event.
const char *pName = EventList_NameForIndex( pEvent->event );
DevWarning( 1, "Bad %s format. Should be: { AE_NPC_HURT_INTERACTION_PARTNER <frame number> \"<ME/THEM> <Amount of damage done>\" }\n", pName );
return;
}
DevWarning( "%s received AE_NPC_HURT_INTERACTION_PARTNER anim event, but it's not interacting with anything.\n", GetDebugName() );
return;
}
}
// FIXME: why doesn't this code pass unhandled events down to its parent?
// Came from my weapon?
//Adrian I'll clean this up once the old event system is phased out.
if ( pEvent->pSource != this || ( pEvent->type & AE_TYPE_NEWEVENTSYSTEM && pEvent->type & AE_TYPE_WEAPON ) || (pEvent->event >= EVENT_WEAPON && pEvent->event <= EVENT_WEAPON_LAST) )
{
Weapon_HandleAnimEvent( pEvent );
}
else
{
BaseClass::HandleAnimEvent( pEvent );
}
break;
}
}
//-----------------------------------------------------------------------------
// Purpose: Override base class to add display of routes
// Input :
// Output : Current text offset from the top
//-----------------------------------------------------------------------------
void CAI_BaseNPC::DrawDebugGeometryOverlays(void)
{
// Handy for debug
//NDebugOverlay::Cross3D(EyePosition(),Vector(-2,-2,-2),Vector(2,2,2),0,255,0,true);
// ------------------------------
// Remove me if requested
// ------------------------------
if (m_debugOverlays & OVERLAY_NPC_ZAP_BIT)
{
VacateStrategySlot();
Weapon_Drop( GetActiveWeapon() );
m_iHealth = 0;
SetThink( &CAI_BaseNPC::SUB_Remove );
}
// ------------------------------
// properly kill an NPC.
// ------------------------------
if (m_debugOverlays & OVERLAY_NPC_KILL_BIT)
{
CTakeDamageInfo info;
info.SetDamage( m_iHealth );
info.SetAttacker( this );
info.SetInflictor( ( AI_IsSinglePlayer() ) ? (CBaseEntity *)AI_GetSinglePlayer() : (CBaseEntity *)this );
info.SetDamageType( DMG_GENERIC );
m_debugOverlays &= ~OVERLAY_NPC_KILL_BIT;
TakeDamage( info );
return;
}
// ------------------------------
// Draw route if requested
// ------------------------------
if ((m_debugOverlays & OVERLAY_NPC_ROUTE_BIT))
{
GetNavigator()->DrawDebugRouteOverlay();
if ( IsMoving() )
{
float yaw = GetMotor()->GetIdealYaw();
Vector vecYaw = UTIL_YawToVector(yaw);
NDebugOverlay::Line(WorldSpaceCenter(),WorldSpaceCenter() + vecYaw * GetHullWidth() * .5,255,255,255,true,0.0);
}
}
if (!(CAI_BaseNPC::m_nDebugBits & bits_debugDisableAI) && (IsCurSchedule(SCHED_FORCED_GO) || IsCurSchedule(SCHED_FORCED_GO_RUN)))
{
NDebugOverlay::Box(m_vecLastPosition, Vector(-5,-5,-5),Vector(5,5,5), 255, 0, 255, 0, 0);
NDebugOverlay::HorzArrow( GetAbsOrigin(), m_vecLastPosition, 16, 255, 0, 255, 64, true, 0 );
}
// ------------------------------
// Draw red box around if selected
// ------------------------------
if ((m_debugOverlays & OVERLAY_NPC_SELECTED_BIT) && !ai_no_select_box.GetBool())
{
NDebugOverlay::EntityBounds(this, 255, 0, 0, 20, 0);
}
// ------------------------------
// Draw nearest node if selected
// ------------------------------
if ((m_debugOverlays & OVERLAY_NPC_NEAREST_BIT))
{
int iNodeID = GetPathfinder()->NearestNodeToNPC();
if (iNodeID != NO_NODE)
{
NDebugOverlay::Box(GetNavigator()->GetNetwork()->AccessNodes()[iNodeID]->GetPosition(GetHullType()), Vector(-10,-10,-10),Vector(10,10,10), 255, 255, 255, 0, 0);
}
}
// ------------------------------
// Draw viewcone if selected
// ------------------------------
if ((m_debugOverlays & OVERLAY_NPC_VIEWCONE_BIT))
{
float flViewRange = acos(m_flFieldOfView);
Vector vEyeDir = EyeDirection2D( );
Vector vLeftDir, vRightDir;
float fSin, fCos;
SinCos( flViewRange, &fSin, &fCos );
vLeftDir.x = vEyeDir.x * fCos - vEyeDir.y * fSin;
vLeftDir.y = vEyeDir.x * fSin + vEyeDir.y * fCos;
vLeftDir.z = vEyeDir.z;
fSin = sin(-flViewRange);
fCos = cos(-flViewRange);
vRightDir.x = vEyeDir.x * fCos - vEyeDir.y * fSin;
vRightDir.y = vEyeDir.x * fSin + vEyeDir.y * fCos;
vRightDir.z = vEyeDir.z;
// Visualize it
NDebugOverlay::VertArrow( EyePosition(), EyePosition() + ( vLeftDir * 200 ), 64, 255, 0, 0, 50, false, 0 );
NDebugOverlay::VertArrow( EyePosition(), EyePosition() + ( vRightDir * 200 ), 64, 255, 0, 0, 50, false, 0 );
NDebugOverlay::VertArrow( EyePosition(), EyePosition() + ( vEyeDir * 100 ), 8, 0, 255, 0, 50, false, 0 );
NDebugOverlay::Box(EyePosition(), -Vector(2,2,2), Vector(2,2,2), 0, 255, 0, 128, 0 );
}
// ----------------------------------------------
// Draw the relationships for this NPC to others
// ----------------------------------------------
if ( m_debugOverlays & OVERLAY_NPC_RELATION_BIT )
{
// Show the relationships to entities around us
int r = 0;
int g = 0;
int b = 0;
int nRelationship;
CAI_BaseNPC **ppAIs = g_AI_Manager.AccessAIs();
// Rate all NPCs
for ( int i = 0; i < g_AI_Manager.NumAIs(); i++ )
{
if ( ppAIs[i] == NULL || ppAIs[i] == this )
continue;
// Get our relation to the target
nRelationship = IRelationType( ppAIs[i] );
// Get the color for the arrow
UTIL_GetDebugColorForRelationship( nRelationship, r, g, b );
// Draw an arrow
NDebugOverlay::HorzArrow( GetAbsOrigin(), ppAIs[i]->GetAbsOrigin(), 16, r, g, b, 64, true, 0.0f );
}
// Also include all players
for ( int i = 1; i <= gpGlobals->maxClients; i++ )
{
CBasePlayer *pPlayer = UTIL_PlayerByIndex( i );
if ( pPlayer == NULL )
continue;
// Get our relation to the target
nRelationship = IRelationType( pPlayer );
// Get the color for the arrow
UTIL_GetDebugColorForRelationship( nRelationship, r, g, b );
// Draw an arrow
NDebugOverlay::HorzArrow( GetAbsOrigin(), pPlayer->GetAbsOrigin(), 16, r, g, b, 64, true, 0.0f );
}
}
// ------------------------------
// Draw enemies if selected
// ------------------------------
if ((m_debugOverlays & OVERLAY_NPC_ENEMIES_BIT))
{
AIEnemiesIter_t iter;
for( AI_EnemyInfo_t *eMemory = GetEnemies()->GetFirst(&iter); eMemory != NULL; eMemory = GetEnemies()->GetNext(&iter) )
{
if (eMemory->hEnemy)
{
CBaseCombatCharacter *npcEnemy = (eMemory->hEnemy)->MyCombatCharacterPointer();
if (npcEnemy)
{
float r,g,b;
char debugText[255];
debugText[0] = NULL;
if (npcEnemy == GetEnemy())
{
Q_strncat(debugText,"Current Enemy", sizeof( debugText ), COPY_ALL_CHARACTERS );
}
else if (npcEnemy == GetTarget())
{
Q_strncat(debugText,"Current Target", sizeof( debugText ), COPY_ALL_CHARACTERS );
}
else
{
Q_strncat(debugText,"Other Memory", sizeof( debugText ), COPY_ALL_CHARACTERS );
}
if (IsUnreachable(npcEnemy))
{
Q_strncat(debugText," (Unreachable)", sizeof( debugText ), COPY_ALL_CHARACTERS );
}
if (eMemory->bEludedMe)
{
Q_strncat(debugText," (Eluded)", sizeof( debugText ), COPY_ALL_CHARACTERS );
}
// Unreachable enemy drawn in green
if (IsUnreachable(npcEnemy))
{
r = 0;
g = 255;
b = 0;
}
// Eluded enemy drawn in blue
else if (eMemory->bEludedMe)
{
r = 0;
g = 0;
b = 255;
}
// Current enemy drawn in red
else if (npcEnemy == GetEnemy())
{
r = 255;
g = 0;
b = 0;
}
// Current traget drawn in magenta
else if (npcEnemy == GetTarget())
{
r = 255;
g = 0;
b = 255;
}
// All other enemies drawn in pink
else
{
r = 255;
g = 100;
b = 100;
}
Vector drawPos = eMemory->vLastKnownLocation;
NDebugOverlay::Text( drawPos, debugText, false, 0.0 );
// If has a line on the player draw cross slightly in front so player can see
if (npcEnemy->IsPlayer() &&
(eMemory->vLastKnownLocation - npcEnemy->GetAbsOrigin()).Length()<10 )
{
Vector vEnemyFacing = npcEnemy->BodyDirection2D( );
Vector eyePos = npcEnemy->EyePosition() + vEnemyFacing*10.0;
Vector upVec = Vector(0,0,2);
Vector sideVec;
CrossProduct( vEnemyFacing, upVec, sideVec);
NDebugOverlay::Line(eyePos+sideVec+upVec, eyePos-sideVec-upVec, r,g,b, false,0);
NDebugOverlay::Line(eyePos+sideVec-upVec, eyePos-sideVec+upVec, r,g,b, false,0);
NDebugOverlay::Text( eyePos, debugText, false, 0.0 );
}
else
{
NDebugOverlay::Cross3D(drawPos,NAI_Hull::Mins(npcEnemy->GetHullType()),NAI_Hull::Maxs(npcEnemy->GetHullType()),r,g,b,false,0);
}
}
}
}
}
// ----------------------------------------------
// Draw line to target and enemy entity if exist
// ----------------------------------------------
if ((m_debugOverlays & OVERLAY_NPC_FOCUS_BIT))
{
if (GetEnemy() != NULL)
{
NDebugOverlay::Line(EyePosition(),GetEnemy()->EyePosition(),255,0,0,true,0.0);
}
if (GetTarget() != NULL)
{
NDebugOverlay::Line(EyePosition(),GetTarget()->EyePosition(),0,0,255,true,0.0);
}
}
GetPathfinder()->DrawDebugGeometryOverlays(m_debugOverlays);
CBaseEntity::DrawDebugGeometryOverlays();
}
//-----------------------------------------------------------------------------
// Purpose: Draw any debug text overlays
// Input :
// Output : Current text offset from the top
//-----------------------------------------------------------------------------
int CAI_BaseNPC::DrawDebugTextOverlays(void)
{
int text_offset = 0;
// ---------------------
// Print Baseclass text
// ---------------------
text_offset = BaseClass::DrawDebugTextOverlays();
if (m_debugOverlays & OVERLAY_NPC_SQUAD_BIT)
{
// Print health
char tempstr[512];
Q_snprintf(tempstr,sizeof(tempstr),"Health: %i",m_iHealth.Get());
EntityText(text_offset,tempstr,0);
text_offset++;
// Print squad name
Q_strncpy(tempstr,"Squad: ",sizeof(tempstr));
if (m_pSquad)
{
Q_strncat(tempstr,m_pSquad->GetName(),sizeof(tempstr), COPY_ALL_CHARACTERS);
if( m_pSquad->GetLeader() == this )
{
Q_strncat(tempstr," (LEADER)",sizeof(tempstr), COPY_ALL_CHARACTERS);
}
Q_strncat(tempstr,"\n",sizeof(tempstr), COPY_ALL_CHARACTERS);
}
else
{
Q_strncat(tempstr," - \n",sizeof(tempstr), COPY_ALL_CHARACTERS);
}
EntityText(text_offset,tempstr,0);
text_offset++;
// Print enemy name
Q_strncpy(tempstr,"Enemy: ",sizeof(tempstr));
if (GetEnemy())
{
if (GetEnemy()->GetEntityName() != NULL_STRING)
{
Q_strncat(tempstr,STRING(GetEnemy()->GetEntityName()),sizeof(tempstr), COPY_ALL_CHARACTERS);
Q_strncat(tempstr,"\n",sizeof(tempstr), COPY_ALL_CHARACTERS);
}
else
{
Q_strncat(tempstr,STRING(GetEnemy()->m_iClassname),sizeof(tempstr), COPY_ALL_CHARACTERS);
Q_strncat(tempstr,"\n",sizeof(tempstr), COPY_ALL_CHARACTERS);
}
}
else
{
Q_strncat(tempstr," - \n",sizeof(tempstr), COPY_ALL_CHARACTERS);
}
EntityText(text_offset,tempstr,0);
text_offset++;
// Print slot
Q_snprintf(tempstr,sizeof(tempstr),"Slot: %s (%d)\n",
SquadSlotName(m_iMySquadSlot), m_iMySquadSlot);
EntityText(text_offset,tempstr,0);
text_offset++;
}
if (m_debugOverlays & OVERLAY_TEXT_BIT)
{
char tempstr[512];
// --------------
// Print Health
// --------------
Q_snprintf(tempstr,sizeof(tempstr),"Health: %i (DACC:%1.2f)",m_iHealth.Get(), GetDamageAccumulator() );
EntityText(text_offset,tempstr,0);
text_offset++;
// --------------
// Print State
// --------------
static const char *pStateNames[] = { "None", "Idle", "Alert", "Combat", "Scripted", "PlayDead", "Dead" };
if ( (int)m_NPCState < ARRAYSIZE(pStateNames) )
{
Q_snprintf(tempstr,sizeof(tempstr),"Stat: %s, ", pStateNames[m_NPCState] );
EntityText(text_offset,tempstr,0);
text_offset++;
}
// -----------------
// Start Scripting?
// -----------------
if( IsInAScript() )
{
Q_snprintf(tempstr,sizeof(tempstr),"STARTSCRIPTING" );
EntityText(text_offset,tempstr,0);
text_offset++;
}
// -----------------
// Hint Group?
// -----------------
if( GetHintGroup() != NULL_STRING )
{
Q_snprintf(tempstr,sizeof(tempstr),"Hint Group: %s", STRING(GetHintGroup()) );
EntityText(text_offset,tempstr,0);
text_offset++;
}
// -----------------
// Print MotionType
// -----------------
int navTypeIndex = (int)GetNavType() + 1;
static const char *pMoveNames[] = { "None", "Ground", "Jump", "Fly", "Climb" };
Assert( navTypeIndex >= 0 && navTypeIndex < ARRAYSIZE(pMoveNames) );
if ( navTypeIndex < ARRAYSIZE(pMoveNames) )
{
Q_snprintf(tempstr,sizeof(tempstr),"Move: %s, ", pMoveNames[navTypeIndex] );
EntityText(text_offset,tempstr,0);
text_offset++;
}
// --------------
// Print Schedule
// --------------
if ( GetCurSchedule() )
{
CAI_BehaviorBase *pBehavior = GetRunningBehavior();
if ( pBehavior )
{
Q_snprintf(tempstr,sizeof(tempstr),"Behv: %s, ", pBehavior->GetName() );
EntityText(text_offset,tempstr,0);
text_offset++;
}
const char *pName = NULL;
pName = GetCurSchedule()->GetName();
if ( !pName )
{
pName = "Unknown";
}
Q_snprintf(tempstr,sizeof(tempstr),"Schd: %s, ", pName );
EntityText(text_offset,tempstr,0);
text_offset++;
if (m_debugOverlays & OVERLAY_NPC_TASK_BIT)
{
for (int i = 0 ; i < GetCurSchedule()->NumTasks(); i++)
{
Q_snprintf(tempstr,sizeof(tempstr),"%s%s%s%s",
((i==0) ? "Task:":" "),
((i==GetScheduleCurTaskIndex()) ? "->" :" "),
TaskName(GetCurSchedule()->GetTaskList()[i].iTask),
((i==GetScheduleCurTaskIndex()) ? "<-" :""));
EntityText(text_offset,tempstr,0);
text_offset++;
}
}
else
{
const Task_t *pTask = GetTask();
if ( pTask )
{
Q_snprintf(tempstr,sizeof(tempstr),"Task: %s (#%d), ", TaskName(pTask->iTask), GetScheduleCurTaskIndex() );
}
else
{
Q_strncpy(tempstr,"Task: None",sizeof(tempstr));
}
EntityText(text_offset,tempstr,0);
text_offset++;
}
}
// --------------
// Print Acitivity
// --------------
if( m_Activity != ACT_INVALID && m_IdealActivity != ACT_INVALID && m_Activity != ACT_RESET)
{
Activity iActivity = TranslateActivity( m_Activity );
Activity iIdealActivity = Weapon_TranslateActivity( m_IdealActivity );
iIdealActivity = NPC_TranslateActivity( iIdealActivity );
const char *pszActivity = GetActivityName( iActivity );
const char *pszIdealActivity = GetActivityName( iIdealActivity );
const char *pszRootActivity = GetActivityName( m_Activity );
Q_snprintf(tempstr,sizeof(tempstr),"Actv: %s (%s) [%s]\n", pszActivity, pszIdealActivity, pszRootActivity );
}
else if (m_Activity == ACT_RESET)
{
Q_strncpy(tempstr,"Actv: RESET",sizeof(tempstr) );
}
else
{
Q_strncpy(tempstr,"Actv: INVALID", sizeof(tempstr) );
}
EntityText(text_offset,tempstr,0);
text_offset++;
//
// Print all the current conditions.
//
if (m_debugOverlays & OVERLAY_NPC_CONDITIONS_BIT)
{
bool bHasConditions = false;
for (int i = 0; i < MAX_CONDITIONS; i++)
{
if (m_Conditions.IsBitSet(i))
{
Q_snprintf(tempstr, sizeof(tempstr), "Cond: %s\n", ConditionName(AI_RemapToGlobal(i)));
EntityText(text_offset, tempstr, 0);
text_offset++;
bHasConditions = true;
}
}
if (!bHasConditions)
{
Q_snprintf(tempstr,sizeof(tempstr),"(no conditions)");
EntityText(text_offset,tempstr,0);
text_offset++;
}
}
if ( GetFlags() & FL_FLY )
{
EntityText(text_offset,"HAS FL_FLY",0);
text_offset++;
}
// --------------
// Print Interrupte
// --------------
if (m_interuptSchedule)
{
const char *pName = NULL;
pName = m_interuptSchedule->GetName();
if ( !pName )
{
pName = "Unknown";
}
Q_snprintf(tempstr,sizeof(tempstr),"Intr: %s (%s)\n", pName, m_interruptText );
EntityText(text_offset,tempstr,0);
text_offset++;
}
// --------------
// Print Failure
// --------------
if (m_failedSchedule)
{
const char *pName = NULL;
pName = m_failedSchedule->GetName();
if ( !pName )
{
pName = "Unknown";
}
Q_snprintf(tempstr,sizeof(tempstr),"Fail: %s (%s)\n", pName,m_failText );
EntityText(text_offset,tempstr,0);
text_offset++;
}
// -------------------------------
// Print any important condtions
// -------------------------------
if (HasCondition(COND_ENEMY_TOO_FAR))
{
EntityText(text_offset,"Enemy too far to attack",0);
text_offset++;
}
if ( GetAbsVelocity() != vec3_origin || GetLocalAngularVelocity() != vec3_angle )
{
char tmp[512];
Q_snprintf( tmp, sizeof(tmp), "Vel %.1f %.1f %.1f Ang: %.1f %.1f %.1f\n",
GetAbsVelocity().x, GetAbsVelocity().y, GetAbsVelocity().z,
GetLocalAngularVelocity().x, GetLocalAngularVelocity().y, GetLocalAngularVelocity().z );
EntityText(text_offset,tmp,0);
text_offset++;
}
// -------------------------------
// Print shot accuracy
// -------------------------------
if ( m_LastShootAccuracy != -1 && ai_shot_stats.GetBool() )
{
CFmtStr msg;
EntityText(text_offset,msg.sprintf("Cur Accuracy: %.1f", m_LastShootAccuracy),0);
text_offset++;
if ( m_TotalShots )
{
EntityText(text_offset,msg.sprintf("Act Accuracy: %.1f", ((float)m_TotalHits/(float)m_TotalShots)*100.0),0);
text_offset++;
}
if ( GetActiveWeapon() && GetEnemy() )
{
Vector curSpread = GetAttackSpread(GetActiveWeapon(), GetEnemy());
float curCone = RAD2DEG(asin(curSpread.x)) * 2;
float bias = GetSpreadBias( GetActiveWeapon(), GetEnemy());
EntityText(text_offset,msg.sprintf("Cone %.1f, Bias %.2f", curCone, bias),0);
text_offset++;
}
}
if ( GetGoalEnt() && GetNavigator()->GetGoalType() == GOALTYPE_PATHCORNER )
{
Q_strncpy(tempstr,"Pathcorner/goal ent: ",sizeof(tempstr));
if (GetGoalEnt()->GetEntityName() != NULL_STRING)
{
Q_strncat(tempstr,STRING(GetGoalEnt()->GetEntityName()),sizeof(tempstr), COPY_ALL_CHARACTERS);
}
else
{
Q_strncat(tempstr,STRING(GetGoalEnt()->m_iClassname),sizeof(tempstr), COPY_ALL_CHARACTERS);
}
EntityText(text_offset, tempstr, 0);
text_offset++;
}
if ( VPhysicsGetObject() )
{
vphysics_objectstress_t stressOut;
CalculateObjectStress( VPhysicsGetObject(), this, &stressOut );
Q_snprintf(tempstr, sizeof(tempstr),"Stress: %.2f", stressOut.receivedStress );
EntityText(text_offset, tempstr, 0);
text_offset++;
}
if ( m_pSquad )
{
if( m_pSquad->IsLeader(this) )
{
Q_snprintf(tempstr, sizeof(tempstr),"**Squad Leader**" );
EntityText(text_offset, tempstr, 0);
text_offset++;
}
Q_snprintf(tempstr, sizeof(tempstr), "SquadSlot:%s", GetSquadSlotDebugName( GetMyStrategySlot() ) );
EntityText(text_offset, tempstr, 0);
text_offset++;
}
}
return text_offset;
}
//-----------------------------------------------------------------------------
// Purpose: Displays information in the console about the state of this npc.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ReportAIState( void )
{
static const char *pStateNames[] = { "None", "Idle", "Alert", "Combat", "Scripted", "PlayDead", "Dead" };
DevMsg( "%s: ", GetClassname() );
if ( (int)m_NPCState < ARRAYSIZE(pStateNames) )
DevMsg( "State: %s, ", pStateNames[m_NPCState] );
if( m_Activity != ACT_INVALID && m_IdealActivity != ACT_INVALID )
{
const char *pszActivity = GetActivityName(m_Activity);
const char *pszIdealActivity = GetActivityName(m_IdealActivity);
DevMsg( "Activity: %s - Ideal Activity: %s\n", pszActivity, pszIdealActivity );
}
if ( GetCurSchedule() )
{
const char *pName = NULL;
pName = GetCurSchedule()->GetName();
if ( !pName )
pName = "Unknown";
DevMsg( "Schedule %s, ", pName );
const Task_t *pTask = GetTask();
if ( pTask )
DevMsg( "Task %d (#%d), ", pTask->iTask, GetScheduleCurTaskIndex() );
}
else
DevMsg( "No Schedule, " );
if ( GetEnemy() != NULL )
{
g_pEffects->Sparks( GetEnemy()->GetAbsOrigin() + Vector( 0, 0, 64 ) );
DevMsg( "\nEnemy is %s", GetEnemy()->GetClassname() );
}
else
DevMsg( "No enemy " );
if ( IsMoving() )
{
DevMsg( " Moving " );
if ( m_flMoveWaitFinished > gpGlobals->curtime )
DevMsg( ": Stopped for %.2f. ", m_flMoveWaitFinished - gpGlobals->curtime );
else if ( m_IdealActivity == GetStoppedActivity() )
DevMsg( ": In stopped anim. " );
}
DevMsg( "Leader." );
DevMsg( "\n" );
DevMsg( "Yaw speed:%3.1f,Health: %3d\n", GetMotor()->GetYawSpeed(), m_iHealth.Get() );
if ( GetGroundEntity() )
{
DevMsg( "Groundent:%s\n\n", GetGroundEntity()->GetClassname() );
}
else
{
DevMsg( "Groundent: NULL\n\n" );
}
}
//-----------------------------------------------------------------------------
ConVar ai_report_task_timings_on_limit( "ai_report_task_timings_on_limit", "0", FCVAR_ARCHIVE );
ConVar ai_think_limit_label( "ai_think_limit_label", "0", FCVAR_ARCHIVE );
void CAI_BaseNPC::ReportOverThinkLimit( float time )
{
DevMsg( "%s thinking for %.02fms!!! (%s); r%.2f (c%.2f, pst%.2f, ms%.2f), p-r%.2f, m%.2f\n",
GetDebugName(), time, GetCurSchedule()->GetName(),
g_AIRunTimer.GetDuration().GetMillisecondsF(),
g_AIConditionsTimer.GetDuration().GetMillisecondsF(),
g_AIPrescheduleThinkTimer.GetDuration().GetMillisecondsF(),
g_AIMaintainScheduleTimer.GetDuration().GetMillisecondsF(),
g_AIPostRunTimer.GetDuration().GetMillisecondsF(),
g_AIMoveTimer.GetDuration().GetMillisecondsF() );
if (ai_think_limit_label.GetBool())
{
Vector tmp;
CollisionProp()->NormalizedToWorldSpace( Vector( 0.5f, 0.5f, 1.0f ), &tmp );
tmp.z += 16;
float max = -1;
const char *pszMax = "unknown";
if ( g_AIConditionsTimer.GetDuration().GetMillisecondsF() > max )
{
max = g_AIConditionsTimer.GetDuration().GetMillisecondsF();
pszMax = "Conditions";
}
if ( g_AIPrescheduleThinkTimer.GetDuration().GetMillisecondsF() > max )
{
max = g_AIPrescheduleThinkTimer.GetDuration().GetMillisecondsF();
pszMax = "Pre-think";
}
if ( g_AIMaintainScheduleTimer.GetDuration().GetMillisecondsF() > max )
{
max = g_AIMaintainScheduleTimer.GetDuration().GetMillisecondsF();
pszMax = "Schedule";
}
if ( g_AIPostRunTimer.GetDuration().GetMillisecondsF() > max )
{
max = g_AIPostRunTimer.GetDuration().GetMillisecondsF();
pszMax = "Post-run";
}
if ( g_AIMoveTimer.GetDuration().GetMillisecondsF() > max )
{
max = g_AIMoveTimer.GetDuration().GetMillisecondsF();
pszMax = "Move";
}
NDebugOverlay::Text( tmp, (char*)(const char *)CFmtStr( "Slow %.1f, %s %.1f ", time, pszMax, max ), false, 1 );
}
if ( ai_report_task_timings_on_limit.GetBool() )
DumpTaskTimings();
}
//-----------------------------------------------------------------------------
// Purpose: Returns whether or not this npc can play the scripted sequence or AI
// sequence that is trying to possess it. If DisregardState is set, the npc
// will be sucked into the script no matter what state it is in. ONLY
// Scripted AI ents should allow this.
// Input : fDisregardNPCState -
// interruptLevel -
// eMode - If the function returns true, eMode will be one of the following values:
// CAN_PLAY_NOW
// CAN_PLAY_ENQUEUED
// Output :
//-----------------------------------------------------------------------------
CanPlaySequence_t CAI_BaseNPC::CanPlaySequence( bool fDisregardNPCState, int interruptLevel )
{
CanPlaySequence_t eReturn = CAN_PLAY_NOW;
if ( m_hCine )
{
if ( !m_hCine->CanEnqueueAfter() )
{
// npc is already running one scripted sequence and has an important script to play next
return CANNOT_PLAY;
}
eReturn = CAN_PLAY_ENQUEUED;
}
if ( !IsAlive() )
{
// npc is dead!
return CANNOT_PLAY;
}
// An NPC in a vehicle cannot play a scripted sequence
if ( IsInAVehicle() )
return CANNOT_PLAY;
if ( fDisregardNPCState )
{
// ok to go, no matter what the npc state. (scripted AI)
// No clue as to how to proced if they're climbing or jumping
// Assert( GetNavType() != NAV_JUMP && GetNavType() != NAV_CLIMB );
return eReturn;
}
if ( m_NPCState == NPC_STATE_NONE || m_NPCState == NPC_STATE_IDLE || m_IdealNPCState == NPC_STATE_IDLE )
{
// ok to go, but only in these states
return eReturn;
}
if ( m_NPCState == NPC_STATE_ALERT && interruptLevel >= SS_INTERRUPT_BY_NAME )
{
return eReturn;
}
// unknown situation
return CANNOT_PLAY;
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetHintGroup( string_t newGroup, bool bHintGroupNavLimiting )
{
string_t oldGroup = m_strHintGroup;
m_strHintGroup = newGroup;
m_bHintGroupNavLimiting = bHintGroupNavLimiting;
if ( oldGroup != newGroup )
OnChangeHintGroup( oldGroup, newGroup );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
Vector CAI_BaseNPC::GetShootEnemyDir( const Vector &shootOrigin, bool bNoisy )
{
CBaseEntity *pEnemy = GetEnemy();
if ( pEnemy )
{
Vector vecEnemyLKP = GetEnemyLKP();
Vector vecEnemyOffset = pEnemy->BodyTarget( shootOrigin, bNoisy ) - pEnemy->GetAbsOrigin();
#ifdef PORTAL
// Translate the enemy's position across the portals if it's only seen in the portal view cone
if ( !FInViewCone( vecEnemyLKP ) || !FVisible( vecEnemyLKP ) )
{
CProp_Portal *pPortal = FInViewConeThroughPortal( vecEnemyLKP );
if ( pPortal )
{
UTIL_Portal_VectorTransform( pPortal->m_hLinkedPortal->MatrixThisToLinked(), vecEnemyOffset, vecEnemyOffset );
UTIL_Portal_PointTransform( pPortal->m_hLinkedPortal->MatrixThisToLinked(), vecEnemyLKP, vecEnemyLKP );
}
}
#endif
Vector retval = vecEnemyOffset + vecEnemyLKP - shootOrigin;
VectorNormalize( retval );
return retval;
}
else
{
Vector forward;
AngleVectors( GetLocalAngles(), &forward );
return forward;
}
}
//-----------------------------------------------------------------------------
// Simulates many times and reports statistical accuracy.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CollectShotStats( const Vector &vecShootOrigin, const Vector &vecShootDir )
{
#ifdef HL2_DLL
if( ai_shot_stats.GetBool() != 0 && GetEnemy()->IsPlayer() )
{
int iterations = ai_shot_stats_term.GetInt();
int iHits = 0;
Vector testDir = vecShootDir;
CShotManipulator manipulator( testDir );
for( int i = 0 ; i < iterations ; i++ )
{
// Apply appropriate accuracy.
manipulator.ApplySpread( GetAttackSpread( GetActiveWeapon(), GetEnemy() ), GetSpreadBias( GetActiveWeapon(), GetEnemy() ) );
Vector shotDir = manipulator.GetResult();
Vector vecEnd = vecShootOrigin + shotDir * 8192;
trace_t tr;
AI_TraceLine( vecShootOrigin, vecEnd, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr);
if( tr.m_pEnt && tr.m_pEnt == GetEnemy() )
{
iHits++;
}
Vector vecProjectedPosition = GetActualShootPosition( vecShootOrigin );
Vector testDir = vecProjectedPosition - vecShootOrigin;
VectorNormalize( testDir );
manipulator.SetShootDir( testDir );
}
float flHitPercent = ((float)iHits / (float)iterations) * 100.0;
m_LastShootAccuracy = flHitPercent;
//DevMsg("Shots:%d Hits:%d Percentage:%.1f\n", iterations, iHits, flHitPercent);
}
else
{
m_LastShootAccuracy = -1;
}
#endif
}
#ifdef HL2_DLL
//-----------------------------------------------------------------------------
// Purpose: Return the actual position the NPC wants to fire at when it's trying
// to hit it's current enemy.
//-----------------------------------------------------------------------------
Vector CAI_BaseNPC::GetActualShootPosition( const Vector &shootOrigin )
{
// Project the target's location into the future.
Vector vecEnemyLKP = GetEnemyLKP();
Vector vecEnemyOffset = GetEnemy()->BodyTarget( shootOrigin ) - GetEnemy()->GetAbsOrigin();
Vector vecTargetPosition = vecEnemyOffset + vecEnemyLKP;
#ifdef PORTAL
// Check if it's also visible through portals
CProp_Portal *pPortal = FInViewConeThroughPortal( vecEnemyLKP );
if ( pPortal )
{
// Get the target's position through portals
Vector vecEnemyOffsetTransformed;
Vector vecEnemyLKPTransformed;
UTIL_Portal_VectorTransform( pPortal->m_hLinkedPortal->MatrixThisToLinked(), vecEnemyOffset, vecEnemyOffsetTransformed );
UTIL_Portal_PointTransform( pPortal->m_hLinkedPortal->MatrixThisToLinked(), vecEnemyLKP, vecEnemyLKPTransformed );
Vector vecTargetPositionTransformed = vecEnemyOffsetTransformed + vecEnemyLKPTransformed;
// Get the distance to the target with and without portals
float fDistanceToEnemyThroughPortalSqr = GetAbsOrigin().DistToSqr( vecTargetPositionTransformed );
float fDistanceToEnemySqr = GetAbsOrigin().DistToSqr( vecTargetPosition );
if ( fDistanceToEnemyThroughPortalSqr < fDistanceToEnemySqr || !FInViewCone( vecEnemyLKP ) || !FVisible( vecEnemyLKP ) )
{
// We're better off shooting through the portals
vecTargetPosition = vecTargetPositionTransformed;
}
}
#endif
// lead for some fraction of a second.
return (vecTargetPosition + ( GetEnemy()->GetSmoothedVelocity() * ai_lead_time.GetFloat() ));
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
float CAI_BaseNPC::GetSpreadBias( CBaseCombatWeapon *pWeapon, CBaseEntity *pTarget )
{
float bias = BaseClass::GetSpreadBias( pWeapon, pTarget );
AI_EnemyInfo_t *pEnemyInfo = m_pEnemies->Find( pTarget );
if ( ai_shot_bias.GetFloat() != 1.0 )
bias = ai_shot_bias.GetFloat();
if ( pEnemyInfo )
{
float timeToFocus = ai_spread_pattern_focus_time.GetFloat();
if ( timeToFocus > 0.0 )
{
float timeSinceValidEnemy = gpGlobals->curtime - pEnemyInfo->timeValidEnemy;
if ( timeSinceValidEnemy < 0.0f )
{
timeSinceValidEnemy = 0.0f;
}
float timeSinceReacquire = gpGlobals->curtime - pEnemyInfo->timeLastReacquired;
if ( timeSinceValidEnemy < timeToFocus )
{
float scale = timeSinceValidEnemy / timeToFocus;
Assert( scale >= 0.0 && scale <= 1.0 );
bias *= scale;
}
else if ( timeSinceReacquire < timeToFocus ) // handled seperately as might be tuning seperately
{
float scale = timeSinceReacquire / timeToFocus;
Assert( scale >= 0.0 && scale <= 1.0 );
bias *= scale;
}
}
}
return bias;
}
//-----------------------------------------------------------------------------
Vector CAI_BaseNPC::GetAttackSpread( CBaseCombatWeapon *pWeapon, CBaseEntity *pTarget )
{
Vector baseResult = BaseClass::GetAttackSpread( pWeapon, pTarget );
AI_EnemyInfo_t *pEnemyInfo = m_pEnemies->Find( pTarget );
if ( pEnemyInfo )
{
float timeToFocus = ai_spread_cone_focus_time.GetFloat();
if ( timeToFocus > 0.0 )
{
float timeSinceValidEnemy = gpGlobals->curtime - pEnemyInfo->timeValidEnemy;
if ( timeSinceValidEnemy < 0 )
timeSinceValidEnemy = 0;
if ( timeSinceValidEnemy < timeToFocus )
{
float coneMultiplier = ai_spread_defocused_cone_multiplier.GetFloat();
if ( coneMultiplier > 1.0 )
{
float scale = 1.0 - timeSinceValidEnemy / timeToFocus;
Assert( scale >= 0.0 && scale <= 1.0 );
float multiplier = ( (coneMultiplier - 1.0) * scale ) + 1.0;
baseResult *= multiplier;
}
}
}
}
return baseResult;
}
//-----------------------------------------------------------------------------
// Similar to calling GetShootEnemyDir, but returns the exact trajectory to
// fire the bullet along, after calculating for target speed, location,
// concealment, etc.
//
// Ultimately, this code results in the shooter aiming his weapon somewhere ahead of
// a moving target. Since bullet traces are instant, aiming ahead of a target
// will result in more misses than hits. This is designed to provide targets with
// a bonus when moving perpendicular to the shooter's line of sight.
//
// Do not confuse this with leading a target in an effort to more easily hit it.
//
// This code PENALIZES a target for moving directly along the shooter's line of sight.
//
// This code REWARDS a target for moving perpendicular to the shooter's line of sight.
//-----------------------------------------------------------------------------
Vector CAI_BaseNPC::GetActualShootTrajectory( const Vector &shootOrigin )
{
if( !GetEnemy() )
return GetShootEnemyDir( shootOrigin );
// If we're above water shooting at a player underwater, bias some of the shots forward of
// the player so that they see the cool bubble trails in the water ahead of them.
if (GetEnemy()->IsPlayer() && (GetWaterLevel() != 3) && (GetEnemy()->GetWaterLevel() == 3))
{
#if 1
if (random->RandomInt(0, 4) < 3)
{
Vector vecEnemyForward;
GetEnemy()->GetVectors( &vecEnemyForward, NULL, NULL );
vecEnemyForward.z = 0;
// Lead up to a second ahead of them unless they are moving backwards.
Vector vecEnemyVelocity = GetEnemy()->GetSmoothedVelocity();
VectorNormalize( vecEnemyVelocity );
float flVelocityScale = vecEnemyForward.Dot( vecEnemyVelocity );
if ( flVelocityScale < 0.0f )
{
flVelocityScale = 0.0f;
}
Vector vecAimPos = GetEnemy()->EyePosition() + ( 48.0f * vecEnemyForward ) + (flVelocityScale * GetEnemy()->GetSmoothedVelocity() );
//NDebugOverlay::Cross3D(vecAimPos, Vector(-16,-16,-16), Vector(16,16,16), 255, 255, 0, true, 1.0f );
//vecAimPos.z = UTIL_WaterLevel( vecAimPos, vecAimPos.z, vecAimPos.z + 400.0f );
//NDebugOverlay::Cross3D(vecAimPos, Vector(-32,-32,-32), Vector(32,32,32), 255, 0, 0, true, 1.0f );
Vector vecShotDir = vecAimPos - shootOrigin;
VectorNormalize( vecShotDir );
return vecShotDir;
}
#else
if (random->RandomInt(0, 4) < 3)
{
// Aim at a point a few feet in front of the player's eyes
Vector vecEnemyForward;
GetEnemy()->GetVectors( &vecEnemyForward, NULL, NULL );
Vector vecAimPos = GetEnemy()->EyePosition() + (120.0f * vecEnemyForward );
Vector vecShotDir = vecAimPos - shootOrigin;
VectorNormalize( vecShotDir );
CShotManipulator manipulator( vecShotDir );
manipulator.ApplySpread( VECTOR_CONE_10DEGREES, 1 );
vecShotDir = manipulator.GetResult();
return vecShotDir;
}
#endif
}
Vector vecProjectedPosition = GetActualShootPosition( shootOrigin );
Vector shotDir = vecProjectedPosition - shootOrigin;
VectorNormalize( shotDir );
CollectShotStats( shootOrigin, shotDir );
// NOW we have a shoot direction. Where a 100% accurate bullet should go.
// Modify it by weapon proficiency.
// construct a manipulator
CShotManipulator manipulator( shotDir );
// Apply appropriate accuracy.
bool bUsePerfectAccuracy = false;
if ( GetEnemy() && GetEnemy()->Classify() == CLASS_BULLSEYE )
{
CNPC_Bullseye *pBullseye = dynamic_cast<CNPC_Bullseye*>(GetEnemy());
if ( pBullseye && pBullseye->UsePerfectAccuracy() )
{
bUsePerfectAccuracy = true;
}
}
if ( !bUsePerfectAccuracy )
{
manipulator.ApplySpread( GetAttackSpread( GetActiveWeapon(), GetEnemy() ), GetSpreadBias( GetActiveWeapon(), GetEnemy() ) );
shotDir = manipulator.GetResult();
}
// Look for an opportunity to make misses hit interesting things.
CBaseCombatCharacter *pEnemy;
pEnemy = GetEnemy()->MyCombatCharacterPointer();
if( pEnemy && pEnemy->ShouldShootMissTarget( this ) )
{
Vector vecEnd = shootOrigin + shotDir * 8192;
trace_t tr;
AI_TraceLine(shootOrigin, vecEnd, MASK_SHOT, this, COLLISION_GROUP_NONE, &tr);
if( tr.fraction != 1.0 && tr.m_pEnt && tr.m_pEnt->m_takedamage != DAMAGE_NO )
{
// Hit something we can harm. Just shoot it.
return manipulator.GetResult();
}
// Find something interesting around the enemy to shoot instead of just missing.
CBaseEntity *pMissTarget = pEnemy->FindMissTarget();
if( pMissTarget )
{
shotDir = pMissTarget->WorldSpaceCenter() - shootOrigin;
VectorNormalize( shotDir );
}
}
return shotDir;
}
#endif // HL2_DLL
//-----------------------------------------------------------------------------
Vector CAI_BaseNPC::BodyTarget( const Vector &posSrc, bool bNoisy )
{
Vector low = WorldSpaceCenter() - ( WorldSpaceCenter() - GetAbsOrigin() ) * .25;
Vector high = EyePosition();
Vector delta = high - low;
Vector result;
if ( bNoisy )
{
// bell curve
float rand1 = random->RandomFloat( 0.0, 0.5 );
float rand2 = random->RandomFloat( 0.0, 0.5 );
result = low + delta * rand1 + delta * rand2;
}
else
result = low + delta * 0.5;
return result;
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::ShouldMoveAndShoot()
{
return ( ( CapabilitiesGet() & bits_CAP_MOVE_SHOOT ) != 0 );
}
//=========================================================
// FacingIdeal - tells us if a npc is facing its ideal
// yaw. Created this function because many spots in the
// code were checking the yawdiff against this magic
// number. Nicer to have it in one place if we're gonna
// be stuck with it.
//=========================================================
bool CAI_BaseNPC::FacingIdeal( void )
{
if ( fabs( GetMotor()->DeltaIdealYaw() ) <= 0.006 )//!!!BUGBUG - no magic numbers!!!
{
return true;
}
return false;
}
//---------------------------------
void CAI_BaseNPC::AddFacingTarget( CBaseEntity *pTarget, float flImportance, float flDuration, float flRamp )
{
GetMotor()->AddFacingTarget( pTarget, flImportance, flDuration, flRamp );
}
void CAI_BaseNPC::AddFacingTarget( const Vector &vecPosition, float flImportance, float flDuration, float flRamp )
{
GetMotor()->AddFacingTarget( vecPosition, flImportance, flDuration, flRamp );
}
void CAI_BaseNPC::AddFacingTarget( CBaseEntity *pTarget, const Vector &vecPosition, float flImportance, float flDuration, float flRamp )
{
GetMotor()->AddFacingTarget( pTarget, vecPosition, flImportance, flDuration, flRamp );
}
float CAI_BaseNPC::GetFacingDirection( Vector &vecDir )
{
return (GetMotor()->GetFacingDirection( vecDir ));
}
//---------------------------------
int CAI_BaseNPC::PlaySentence( const char *pszSentence, float delay, float volume, soundlevel_t soundlevel, CBaseEntity *pListener )
{
int sentenceIndex = -1;
if ( pszSentence && IsAlive() )
{
if ( pszSentence[0] == '!' )
{
sentenceIndex = SENTENCEG_Lookup( pszSentence );
CPASAttenuationFilter filter( this, soundlevel );
CBaseEntity::EmitSentenceByIndex( filter, entindex(), CHAN_VOICE, sentenceIndex, volume, soundlevel, 0, PITCH_NORM );
}
else
{
sentenceIndex = SENTENCEG_PlayRndSz( edict(), pszSentence, volume, soundlevel, 0, PITCH_NORM );
}
}
return sentenceIndex;
}
int CAI_BaseNPC::PlayScriptedSentence( const char *pszSentence, float delay, float volume, soundlevel_t soundlevel, bool bConcurrent, CBaseEntity *pListener )
{
return PlaySentence( pszSentence, delay, volume, soundlevel, pListener );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
CBaseEntity *CAI_BaseNPC::FindNamedEntity( const char *name, IEntityFindFilter *pFilter )
{
if ( !stricmp( name, "!player" ))
{
return ( CBaseEntity * )AI_GetSinglePlayer();
}
else if ( !stricmp( name, "!enemy" ) )
{
if (GetEnemy() != NULL)
return GetEnemy();
}
else if ( !stricmp( name, "!self" ) || !stricmp( name, "!target1" ) )
{
return this;
}
else if ( !stricmp( name, "!nearestfriend" ) || !stricmp( name, "!friend" ) )
{
// FIXME: look at CBaseEntity *CNPCSimpleTalker::FindNearestFriend(bool fPlayer)
// punt for now
return ( CBaseEntity * )AI_GetSinglePlayer();
}
else if (!stricmp( name, "self" ))
{
static int selfwarningcount = 0;
// fix the vcd, the reserved names have changed
if ( ++selfwarningcount < 5 )
{
DevMsg( "ERROR: \"self\" is no longer used, use \"!self\" in vcd instead!\n" );
}
return this;
}
else if ( !stricmp( name, "Player" ))
{
static int playerwarningcount = 0;
if ( ++playerwarningcount < 5 )
{
DevMsg( "ERROR: \"player\" is no longer used, use \"!player\" in vcd instead!\n" );
}
return ( CBaseEntity * )AI_GetSinglePlayer();
}
else
{
// search for up to 32 entities with the same name and choose one randomly
CBaseEntity *entityList[ FINDNAMEDENTITY_MAX_ENTITIES ];
CBaseEntity *entity;
int iCount;
entity = NULL;
for( iCount = 0; iCount < FINDNAMEDENTITY_MAX_ENTITIES; iCount++ )
{
entity = gEntList.FindEntityByName( entity, name, NULL, NULL, NULL, pFilter );
if ( !entity )
{
break;
}
entityList[ iCount ] = entity;
}
if ( iCount > 0 )
{
int index = RandomInt( 0, iCount - 1 );
entity = entityList[ index ];
return entity;
}
}
return NULL;
}
void CAI_BaseNPC::CorpseFallThink( void )
{
if ( GetFlags() & FL_ONGROUND )
{
SetThink ( NULL );
SetSequenceBox( );
}
else
{
SetNextThink( gpGlobals->curtime + 0.1f );
}
}
// Call after animation/pose is set up
void CAI_BaseNPC::NPCInitDead( void )
{
InitBoneControllers();
RemoveSolidFlags( FSOLID_NOT_SOLID );
// so he'll fall to ground
SetMoveType( MOVETYPE_FLYGRAVITY, MOVECOLLIDE_FLY_BOUNCE );
SetCycle( 0 );
ResetSequenceInfo( );
m_flPlaybackRate = 0;
// Copy health
m_iMaxHealth = m_iHealth;
m_lifeState = LIFE_DEAD;
UTIL_SetSize(this, vec3_origin, vec3_origin );
// Setup health counters, etc.
SetThink( &CAI_BaseNPC::CorpseFallThink );
SetNextThink( gpGlobals->curtime + 0.5f );
}
//=========================================================
// BBoxIsFlat - check to see if the npc's bounding box
// is lying flat on a surface (traces from all four corners
// are same length.)
//=========================================================
bool CAI_BaseNPC::BBoxFlat ( void )
{
trace_t tr;
Vector vecPoint;
float flXSize, flYSize;
float flLength;
float flLength2;
flXSize = WorldAlignSize().x / 2;
flYSize = WorldAlignSize().y / 2;
vecPoint.x = GetAbsOrigin().x + flXSize;
vecPoint.y = GetAbsOrigin().y + flYSize;
vecPoint.z = GetAbsOrigin().z;
AI_TraceLine ( vecPoint, vecPoint - Vector ( 0, 0, 100 ), MASK_NPCSOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &tr );
flLength = (vecPoint - tr.endpos).Length();
vecPoint.x = GetAbsOrigin().x - flXSize;
vecPoint.y = GetAbsOrigin().y - flYSize;
AI_TraceLine ( vecPoint, vecPoint - Vector ( 0, 0, 100 ), MASK_NPCSOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &tr );
flLength2 = (vecPoint - tr.endpos).Length();
if ( flLength2 > flLength )
{
return false;
}
flLength = flLength2;
vecPoint.x = GetAbsOrigin().x - flXSize;
vecPoint.y = GetAbsOrigin().y + flYSize;
AI_TraceLine ( vecPoint, vecPoint - Vector ( 0, 0, 100 ), MASK_NPCSOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &tr );
flLength2 = (vecPoint - tr.endpos).Length();
if ( flLength2 > flLength )
{
return false;
}
flLength = flLength2;
vecPoint.x = GetAbsOrigin().x + flXSize;
vecPoint.y = GetAbsOrigin().y - flYSize;
AI_TraceLine ( vecPoint, vecPoint - Vector ( 0, 0, 100 ), MASK_NPCSOLID_BRUSHONLY, this, COLLISION_GROUP_NONE, &tr );
flLength2 = (vecPoint - tr.endpos).Length();
if ( flLength2 > flLength )
{
return false;
}
flLength = flLength2;
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pEnemy -
// bSetCondNewEnemy -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetEnemy( CBaseEntity *pEnemy, bool bSetCondNewEnemy )
{
if (m_hEnemy != pEnemy)
{
ClearAttackConditions( );
VacateStrategySlot();
m_GiveUpOnDeadEnemyTimer.Stop();
// If we've just found a new enemy, set the condition
if ( pEnemy && bSetCondNewEnemy )
{
SetCondition( COND_NEW_ENEMY );
}
}
// Assert( (pEnemy == NULL) || (m_NPCState == NPC_STATE_COMBAT) );
m_hEnemy = pEnemy;
m_flTimeEnemyAcquired = gpGlobals->curtime;
m_LastShootAccuracy = -1;
m_TotalShots = 0;
m_TotalHits = 0;
if ( !pEnemy )
ClearCondition( COND_NEW_ENEMY );
}
const Vector &CAI_BaseNPC::GetEnemyLKP() const
{
return (const_cast<CAI_BaseNPC *>(this))->GetEnemies()->LastKnownPosition( GetEnemy() );
}
float CAI_BaseNPC::GetEnemyLastTimeSeen() const
{
return (const_cast<CAI_BaseNPC *>(this))->GetEnemies()->LastTimeSeen( GetEnemy() );
}
void CAI_BaseNPC::MarkEnemyAsEluded()
{
GetEnemies()->MarkAsEluded( GetEnemy() );
}
void CAI_BaseNPC::ClearEnemyMemory()
{
GetEnemies()->ClearMemory( GetEnemy() );
}
bool CAI_BaseNPC::EnemyHasEludedMe() const
{
return (const_cast<CAI_BaseNPC *>(this))->GetEnemies()->HasEludedMe( GetEnemy() );
}
void CAI_BaseNPC::SetTarget( CBaseEntity *pTarget )
{
m_hTargetEnt = pTarget;
}
//=========================================================
// Choose Enemy - tries to find the best suitable enemy for the npc.
//=========================================================
bool CAI_BaseNPC::ShouldChooseNewEnemy()
{
CBaseEntity *pEnemy = GetEnemy();
if ( pEnemy )
{
if ( GetEnemies()->GetSerialNumber() != m_EnemiesSerialNumber )
{
return true;
}
m_EnemiesSerialNumber = GetEnemies()->GetSerialNumber();
if ( EnemyHasEludedMe() || (IRelationType( pEnemy ) != D_HT && IRelationType( pEnemy ) != D_FR) || !IsValidEnemy( pEnemy ) )
{
DbgEnemyMsg( this, "ShouldChooseNewEnemy() --> true (1)\n" );
return true;
}
if ( HasCondition(COND_SEE_HATE) || HasCondition(COND_SEE_DISLIKE) || HasCondition(COND_SEE_NEMESIS) || HasCondition(COND_SEE_FEAR) )
{
DbgEnemyMsg( this, "ShouldChooseNewEnemy() --> true (2)\n" );
return true;
}
if ( !pEnemy->IsAlive() )
{
if ( m_GiveUpOnDeadEnemyTimer.IsRunning() )
{
if ( m_GiveUpOnDeadEnemyTimer.Expired() )
{
DbgEnemyMsg( this, "ShouldChooseNewEnemy() --> true (3)\n" );
return true;
}
}
else
m_GiveUpOnDeadEnemyTimer.Start();
}
AI_EnemyInfo_t *pInfo = GetEnemies()->Find( pEnemy );
if ( m_FailChooseEnemyTimer.Expired() )
{
m_FailChooseEnemyTimer.Set( 1.5 );
if ( HasCondition( COND_TASK_FAILED ) ||
( pInfo && ( pInfo->timeAtFirstHand == AI_INVALID_TIME || gpGlobals->curtime - pInfo->timeLastSeen > 10 ) ) )
{
return true;
}
}
if ( pInfo && pInfo->timeValidEnemy < gpGlobals->curtime )
{
DbgEnemyMsg( this, "ShouldChooseNewEnemy() --> false\n" );
return false;
}
}
DbgEnemyMsg( this, "ShouldChooseNewEnemy() --> true (4)\n" );
m_EnemiesSerialNumber = GetEnemies()->GetSerialNumber();
return true;
}
//-------------------------------------
bool CAI_BaseNPC::ChooseEnemy( void )
{
AI_PROFILE_SCOPE(CAI_Enemies_ChooseEnemy);
DbgEnemyMsg( this, "ChooseEnemy() {\n" );
//---------------------------------
//
// Gather initial conditions
//
CBaseEntity *pInitialEnemy = GetEnemy();
CBaseEntity *pChosenEnemy = pInitialEnemy;
// Use memory bits in case enemy pointer altered outside this function, (e.g., ehandle goes NULL)
bool fHadEnemy = ( HasMemory( bits_MEMORY_HAD_ENEMY | bits_MEMORY_HAD_PLAYER ) );
bool fEnemyWasPlayer = HasMemory( bits_MEMORY_HAD_PLAYER );
bool fEnemyWentNull = ( fHadEnemy && !pInitialEnemy );
bool fEnemyEluded = ( fEnemyWentNull || ( pInitialEnemy && GetEnemies()->HasEludedMe( pInitialEnemy ) ) );
//---------------------------------
//
// Establish suitability of choosing a new enemy
//
bool fHaveCondNewEnemy;
bool fHaveCondLostEnemy;
if ( !m_ScheduleState.bScheduleWasInterrupted && GetCurSchedule() && !FScheduleDone() )
{
Assert( InterruptFromCondition( COND_NEW_ENEMY ) == COND_NEW_ENEMY && InterruptFromCondition( COND_LOST_ENEMY ) == COND_LOST_ENEMY );
fHaveCondNewEnemy = GetCurSchedule()->HasInterrupt( COND_NEW_ENEMY );
fHaveCondLostEnemy = GetCurSchedule()->HasInterrupt( COND_LOST_ENEMY );
// See if they've been added as a custom interrupt
if ( !fHaveCondNewEnemy )
{
fHaveCondNewEnemy = IsCustomInterruptConditionSet( COND_NEW_ENEMY );
}
if ( !fHaveCondLostEnemy )
{
fHaveCondLostEnemy = IsCustomInterruptConditionSet( COND_LOST_ENEMY );
}
}
else
{
fHaveCondNewEnemy = true; // not having a schedule is the same as being interruptable by any condition
fHaveCondLostEnemy = true;
}
if ( !fEnemyWentNull )
{
if ( !fHaveCondNewEnemy && !( fHaveCondLostEnemy && fEnemyEluded ) )
{
// DO NOT mess with the npc's enemy pointer unless the schedule the npc is currently
// running will be interrupted by COND_NEW_ENEMY or COND_LOST_ENEMY. This will
// eliminate the problem of npcs getting a new enemy while they are in a schedule
// that doesn't care, and then not realizing it by the time they get to a schedule
// that does. I don't feel this is a good permanent fix.
m_bSkippedChooseEnemy = true;
DbgEnemyMsg( this, "Skipped enemy selection due to schedule restriction\n" );
DbgEnemyMsg( this, "}\n" );
return ( pChosenEnemy != NULL );
}
}
else if ( !fHaveCondNewEnemy && !fHaveCondLostEnemy && GetCurSchedule() )
{
DevMsg( 2, "WARNING: AI enemy went NULL but schedule (%s) is not interested\n", GetCurSchedule()->GetName() );
}
m_bSkippedChooseEnemy = false;
//---------------------------------
//
// Select a target
//
if ( ShouldChooseNewEnemy() )
{
pChosenEnemy = BestEnemy();
}
//---------------------------------
//
// React to result of selection
//
bool fChangingEnemy = ( pChosenEnemy != pInitialEnemy );
if ( fChangingEnemy || fEnemyWentNull )
{
DbgEnemyMsg( this, "Enemy changed from %s to %s\n", pInitialEnemy->GetDebugName(), pChosenEnemy->GetDebugName() );
Forget( bits_MEMORY_HAD_ENEMY | bits_MEMORY_HAD_PLAYER );
// Did our old enemy snuff it?
if ( pInitialEnemy && !pInitialEnemy->IsAlive() )
{
SetCondition( COND_ENEMY_DEAD );
}
SetEnemy( pChosenEnemy );
if ( fHadEnemy )
{
// Vacate any strategy slot on old enemy
VacateStrategySlot();
// Force output event for establishing LOS
Forget( bits_MEMORY_HAD_LOS );
// m_flLastAttackTime = 0;
}
if ( !pChosenEnemy )
{
// Don't break on enemies going null if they've been killed
if ( !HasCondition(COND_ENEMY_DEAD) )
{
SetCondition( COND_ENEMY_WENT_NULL );
}
if ( fEnemyEluded )
{
SetCondition( COND_LOST_ENEMY );
LostEnemySound();
}
if ( fEnemyWasPlayer )
{
m_OnLostPlayer.FireOutput( pInitialEnemy, this );
}
m_OnLostEnemy.FireOutput( pInitialEnemy, this);
}
else
{
Remember( ( pChosenEnemy->IsPlayer() ) ? bits_MEMORY_HAD_PLAYER : bits_MEMORY_HAD_ENEMY );
}
}
//---------------------------------
return ( pChosenEnemy != NULL );
}
//=========================================================
void CAI_BaseNPC::PickupWeapon( CBaseCombatWeapon *pWeapon )
{
pWeapon->OnPickedUp( this );
Weapon_Equip( pWeapon );
m_iszPendingWeapon = NULL_STRING;
}
//=========================================================
// DropItem - dead npc drops named item
//=========================================================
CBaseEntity *CAI_BaseNPC::DropItem ( const char *pszItemName, Vector vecPos, QAngle vecAng )
{
if ( !pszItemName )
{
DevMsg( "DropItem() - No item name!\n" );
return NULL;
}
CBaseEntity *pItem = CBaseEntity::Create( pszItemName, vecPos, vecAng, this );
if ( pItem )
{
if ( g_pGameRules->IsAllowedToSpawn( pItem ) == false )
{
UTIL_Remove( pItem );
return NULL;
}
IPhysicsObject *pPhys = pItem->VPhysicsGetObject();
if ( pPhys )
{
// Add an extra push in a random direction
Vector vel = RandomVector( -64.0f, 64.0f );
AngularImpulse angImp = RandomAngularImpulse( -300.0f, 300.0f );
vel[2] = 0.0f;
pPhys->AddVelocity( &vel, &angImp );
}
else
{
// do we want this behavior to be default?! (sjb)
pItem->ApplyAbsVelocityImpulse( GetAbsVelocity() );
pItem->ApplyLocalAngularVelocityImpulse( AngularImpulse( 0, random->RandomFloat( 0, 100 ), 0 ) );
}
return pItem;
}
else
{
DevMsg( "DropItem() - Didn't create!\n" );
return NULL;
}
}
bool CAI_BaseNPC::ShouldFadeOnDeath( void )
{
if ( g_RagdollLVManager.IsLowViolence() )
{
return true;
}
else
{
// if flagged to fade out
return HasSpawnFlags(SF_NPC_FADE_CORPSE);
}
}
//-----------------------------------------------------------------------------
// Purpose: Indicates whether or not this npc should play an idle sound now.
//
//
// Output : Returns true if yes, false if no.
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::ShouldPlayIdleSound( void )
{
if ( ( m_NPCState == NPC_STATE_IDLE || m_NPCState == NPC_STATE_ALERT ) &&
random->RandomInt(0,99) == 0 && !HasSpawnFlags(SF_NPC_GAG) )
{
return true;
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Make a sound that other AI's can hear, to broadcast our presence
// Input : volume (radius) of the sound.
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::MakeAIFootstepSound( float volume, float duration )
{
CSoundEnt::InsertSound( SOUND_COMBAT, EyePosition(), volume, duration, this, SOUNDENT_CHANNEL_NPC_FOOTSTEP );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::FOkToMakeSound( int soundPriority )
{
// ask the squad to filter sounds if I'm in one
if ( m_pSquad )
{
if ( !m_pSquad->FOkToMakeSound( soundPriority ) )
return false;
}
else
{
// otherwise, check my own sound timer
// Am I making uninterruptable sound?
if (gpGlobals->curtime <= m_flSoundWaitTime)
{
if ( soundPriority <= m_nSoundPriority )
return false;
}
}
// no talking outside of combat if gagged.
if ( HasSpawnFlags(SF_NPC_GAG) && ( m_NPCState != NPC_STATE_COMBAT ) )
return false;
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
void CAI_BaseNPC::JustMadeSound( int soundPriority, float flSoundLength )
{
m_flSoundWaitTime = gpGlobals->curtime + flSoundLength + random->RandomFloat(1.5, 2.0);
m_nSoundPriority = soundPriority;
if (m_pSquad)
{
m_pSquad->JustMadeSound( soundPriority, gpGlobals->curtime + flSoundLength + random->RandomFloat(1.5, 2.0) );
}
}
Activity CAI_BaseNPC::GetStoppedActivity( void )
{
if (GetNavigator()->IsGoalActive())
{
Activity activity = GetNavigator()->GetArrivalActivity();
if (activity > ACT_RESET)
{
return activity;
}
}
return ACT_IDLE;
}
//=========================================================
//=========================================================
void CAI_BaseNPC::OnScheduleChange ( void )
{
EndTaskOverlay();
m_pNavigator->OnScheduleChange();
m_flMoveWaitFinished = 0;
VacateStrategySlot();
// If I still have have a route, clear it
// FIXME: Routes should only be cleared inside of tasks (kenb)
GetNavigator()->ClearGoal();
UnlockBestSound();
// If I locked a hint node clear it
if ( HasMemory(bits_MEMORY_LOCKED_HINT) && GetHintNode() != NULL)
{
float hintDelay = GetHintDelay(GetHintNode()->HintType());
GetHintNode()->Unlock(hintDelay);
SetHintNode( NULL );
}
}
CBaseCombatCharacter* CAI_BaseNPC::GetEnemyCombatCharacterPointer()
{
if ( GetEnemy() == NULL )
return NULL;
return GetEnemy()->MyCombatCharacterPointer();
}
// Global Savedata for npc
//
// This should be an exact copy of the var's in the header. Fields
// that aren't save/restored are commented out
BEGIN_DATADESC( CAI_BaseNPC )
// m_pSchedule (reacquired on restore)
DEFINE_EMBEDDED( m_ScheduleState ),
DEFINE_FIELD( m_IdealSchedule, FIELD_INTEGER ), // handled specially but left in for "virtual" schedules
DEFINE_FIELD( m_failSchedule, FIELD_INTEGER ), // handled specially but left in for "virtual" schedules
DEFINE_FIELD( m_bUsingStandardThinkTime, FIELD_BOOLEAN ),
DEFINE_FIELD( m_flLastRealThinkTime, FIELD_TIME ),
// m_iFrameBlocked (not saved)
// m_bInChoreo (not saved)
// m_bDoPostRestoreRefindPath (not saved)
// gm_flTimeLastSpawn (static)
// gm_nSpawnedThisFrame (static)
// m_Conditions (custom save)
// m_CustomInterruptConditions (custom save)
// m_ConditionsPreIgnore (custom save)
// m_InverseIgnoreConditions (custom save)
// m_poseAim_Pitch (not saved; recomputed on restore)
// m_poseAim_Yaw (not saved; recomputed on restore)
// m_poseMove_Yaw (not saved; recomputed on restore)
DEFINE_FIELD( m_flTimePingEffect, FIELD_TIME ),
DEFINE_FIELD( m_bForceConditionsGather, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bConditionsGathered, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bSkippedChooseEnemy, FIELD_BOOLEAN ),
DEFINE_FIELD( m_NPCState, FIELD_INTEGER ),
DEFINE_FIELD( m_IdealNPCState, FIELD_INTEGER ),
DEFINE_FIELD( m_flLastStateChangeTime, FIELD_TIME ),
DEFINE_FIELD( m_Efficiency, FIELD_INTEGER ),
DEFINE_FIELD( m_MoveEfficiency, FIELD_INTEGER ),
DEFINE_FIELD( m_flNextDecisionTime, FIELD_TIME ),
DEFINE_KEYFIELD( m_SleepState, FIELD_INTEGER, "sleepstate" ),
DEFINE_FIELD( m_SleepFlags, FIELD_INTEGER ),
DEFINE_KEYFIELD( m_flWakeRadius, FIELD_FLOAT, "wakeradius" ),
DEFINE_KEYFIELD( m_bWakeSquad, FIELD_BOOLEAN, "wakesquad" ),
DEFINE_FIELD( m_nWakeTick, FIELD_TICK ),
DEFINE_CUSTOM_FIELD( m_Activity, ActivityDataOps() ),
DEFINE_CUSTOM_FIELD( m_translatedActivity, ActivityDataOps() ),
DEFINE_CUSTOM_FIELD( m_IdealActivity, ActivityDataOps() ),
DEFINE_CUSTOM_FIELD( m_IdealTranslatedActivity, ActivityDataOps() ),
DEFINE_CUSTOM_FIELD( m_IdealWeaponActivity, ActivityDataOps() ),
DEFINE_FIELD( m_nIdealSequence, FIELD_INTEGER ),
DEFINE_EMBEDDEDBYREF( m_pSenses ),
DEFINE_EMBEDDEDBYREF( m_pLockedBestSound ),
DEFINE_FIELD( m_hEnemy, FIELD_EHANDLE ),
DEFINE_FIELD( m_flTimeEnemyAcquired, FIELD_TIME ),
DEFINE_FIELD( m_hTargetEnt, FIELD_EHANDLE ),
DEFINE_EMBEDDED( m_GiveUpOnDeadEnemyTimer ),
DEFINE_EMBEDDED( m_FailChooseEnemyTimer ),
DEFINE_FIELD( m_EnemiesSerialNumber, FIELD_INTEGER ),
DEFINE_FIELD( m_flAcceptableTimeSeenEnemy, FIELD_TIME ),
DEFINE_EMBEDDED( m_UpdateEnemyPosTimer ),
// m_flTimeAnyUpdateEnemyPos (static)
DEFINE_FIELD( m_vecCommandGoal, FIELD_VECTOR ),
DEFINE_EMBEDDED( m_CommandMoveMonitor ),
DEFINE_FIELD( m_flSoundWaitTime, FIELD_TIME ),
DEFINE_FIELD( m_nSoundPriority, FIELD_INTEGER ),
DEFINE_FIELD( m_flIgnoreDangerSoundsUntil, FIELD_TIME ),
DEFINE_FIELD( m_afCapability, FIELD_INTEGER ),
DEFINE_FIELD( m_flMoveWaitFinished, FIELD_TIME ),
DEFINE_FIELD( m_hOpeningDoor, FIELD_EHANDLE ),
DEFINE_EMBEDDEDBYREF( m_pNavigator ),
DEFINE_EMBEDDEDBYREF( m_pLocalNavigator ),
DEFINE_EMBEDDEDBYREF( m_pPathfinder ),
DEFINE_EMBEDDEDBYREF( m_pMoveProbe ),
DEFINE_EMBEDDEDBYREF( m_pMotor ),
DEFINE_UTLVECTOR(m_UnreachableEnts, FIELD_EMBEDDED),
DEFINE_FIELD( m_hInteractionPartner, FIELD_EHANDLE ),
DEFINE_FIELD( m_hLastInteractionTestTarget, FIELD_EHANDLE ),
DEFINE_FIELD( m_hForcedInteractionPartner, FIELD_EHANDLE ),
DEFINE_FIELD( m_flForcedInteractionTimeout, FIELD_TIME ),
DEFINE_FIELD( m_vecForcedWorldPosition, FIELD_POSITION_VECTOR ),
DEFINE_FIELD( m_bCannotDieDuringInteraction, FIELD_BOOLEAN ),
DEFINE_FIELD( m_iInteractionState, FIELD_INTEGER ),
DEFINE_FIELD( m_iInteractionPlaying, FIELD_INTEGER ),
DEFINE_UTLVECTOR(m_ScriptedInteractions,FIELD_EMBEDDED),
DEFINE_FIELD( m_flInteractionYaw, FIELD_FLOAT ),
DEFINE_EMBEDDED( m_CheckOnGroundTimer ),
DEFINE_FIELD( m_vDefaultEyeOffset, FIELD_VECTOR ),
DEFINE_FIELD( m_flNextEyeLookTime, FIELD_TIME ),
DEFINE_FIELD( m_flEyeIntegRate, FIELD_FLOAT ),
DEFINE_FIELD( m_vEyeLookTarget, FIELD_POSITION_VECTOR ),
DEFINE_FIELD( m_vCurEyeTarget, FIELD_POSITION_VECTOR ),
DEFINE_FIELD( m_hEyeLookTarget, FIELD_EHANDLE ),
DEFINE_FIELD( m_flHeadYaw, FIELD_FLOAT ),
DEFINE_FIELD( m_flHeadPitch, FIELD_FLOAT ),
DEFINE_FIELD( m_flOriginalYaw, FIELD_FLOAT ),
DEFINE_FIELD( m_bInAScript, FIELD_BOOLEAN ),
DEFINE_FIELD( m_scriptState, FIELD_INTEGER ),
DEFINE_FIELD( m_hCine, FIELD_EHANDLE ),
DEFINE_CUSTOM_FIELD( m_ScriptArrivalActivity, ActivityDataOps() ),
DEFINE_FIELD( m_strScriptArrivalSequence, FIELD_STRING ),
DEFINE_FIELD( m_flSceneTime, FIELD_TIME ),
DEFINE_FIELD( m_iszSceneCustomMoveSeq, FIELD_STRING ),
// m_pEnemies Saved specially in ai_saverestore.cpp
DEFINE_FIELD( m_afMemory, FIELD_INTEGER ),
DEFINE_FIELD( m_hEnemyOccluder, FIELD_EHANDLE ),
DEFINE_FIELD( m_flSumDamage, FIELD_FLOAT ),
DEFINE_FIELD( m_flLastDamageTime, FIELD_TIME ),
DEFINE_FIELD( m_flLastPlayerDamageTime, FIELD_TIME ),
DEFINE_FIELD( m_flLastSawPlayerTime, FIELD_TIME ),
DEFINE_FIELD( m_flLastAttackTime, FIELD_TIME ),
DEFINE_FIELD( m_flLastEnemyTime, FIELD_TIME ),
DEFINE_FIELD( m_flNextWeaponSearchTime, FIELD_TIME ),
DEFINE_FIELD( m_iszPendingWeapon, FIELD_STRING ),
DEFINE_KEYFIELD( m_bIgnoreUnseenEnemies, FIELD_BOOLEAN , "ignoreunseenenemies"),
DEFINE_EMBEDDED( m_ShotRegulator ),
DEFINE_FIELD( m_iDesiredWeaponState, FIELD_INTEGER ),
// m_pSquad Saved specially in ai_saverestore.cpp
DEFINE_KEYFIELD(m_SquadName, FIELD_STRING, "squadname" ),
DEFINE_FIELD( m_iMySquadSlot, FIELD_INTEGER ),
DEFINE_KEYFIELD( m_strHintGroup, FIELD_STRING, "hintgroup" ),
DEFINE_KEYFIELD( m_bHintGroupNavLimiting, FIELD_BOOLEAN, "hintlimiting" ),
DEFINE_EMBEDDEDBYREF( m_pTacticalServices ),
DEFINE_FIELD( m_flWaitFinished, FIELD_TIME ),
DEFINE_FIELD( m_flNextFlinchTime, FIELD_TIME ),
DEFINE_FIELD( m_flNextDodgeTime, FIELD_TIME ),
DEFINE_EMBEDDED( m_MoveAndShootOverlay ),
DEFINE_FIELD( m_vecLastPosition, FIELD_POSITION_VECTOR ),
DEFINE_FIELD( m_vSavePosition, FIELD_POSITION_VECTOR ),
DEFINE_FIELD( m_vInterruptSavePosition, FIELD_POSITION_VECTOR ),
DEFINE_FIELD( m_pHintNode, FIELD_EHANDLE),
DEFINE_FIELD( m_cAmmoLoaded, FIELD_INTEGER ),
DEFINE_FIELD( m_flDistTooFar, FIELD_FLOAT ),
DEFINE_FIELD( m_hGoalEnt, FIELD_EHANDLE ),
DEFINE_FIELD( m_flTimeLastMovement, FIELD_TIME ),
DEFINE_KEYFIELD(m_spawnEquipment, FIELD_STRING, "additionalequipment" ),
DEFINE_FIELD( m_fNoDamageDecal, FIELD_BOOLEAN ),
DEFINE_FIELD( m_hStoredPathTarget, FIELD_EHANDLE ),
DEFINE_FIELD( m_vecStoredPathGoal, FIELD_POSITION_VECTOR ),
DEFINE_FIELD( m_nStoredPathType, FIELD_INTEGER ),
DEFINE_FIELD( m_fStoredPathFlags, FIELD_INTEGER ),
DEFINE_FIELD( m_bDidDeathCleanup, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bCrouchDesired, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bForceCrouch, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bIsCrouching, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bPerformAvoidance, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bIsMoving, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bFadeCorpse, FIELD_BOOLEAN ),
DEFINE_FIELD( m_iDeathPose, FIELD_INTEGER ),
DEFINE_FIELD( m_iDeathFrame, FIELD_INTEGER ),
DEFINE_FIELD( m_bCheckContacts, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bSpeedModActive, FIELD_BOOLEAN ),
DEFINE_FIELD( m_iSpeedModRadius, FIELD_INTEGER ),
DEFINE_FIELD( m_iSpeedModSpeed, FIELD_INTEGER ),
DEFINE_FIELD( m_hEnemyFilter, FIELD_EHANDLE ),
DEFINE_KEYFIELD( m_iszEnemyFilterName, FIELD_STRING, "enemyfilter" ),
DEFINE_FIELD( m_bImportanRagdoll, FIELD_BOOLEAN ),
DEFINE_FIELD( m_bPlayerAvoidState, FIELD_BOOLEAN ),
// Satisfy classcheck
// DEFINE_FIELD( m_ScheduleHistory, CUtlVector < AIScheduleChoice_t > ),
// m_fIsUsingSmallHull TODO -- This needs more consideration than simple save/load
// m_failText DEBUG
// m_interruptText DEBUG
// m_failedSchedule DEBUG
// m_interuptSchedule DEBUG
// m_nDebugCurIndex DEBUG
// m_LastShootAccuracy DEBUG
// m_RecentShotAccuracy DEBUG
// m_TotalShots DEBUG
// m_TotalHits DEBUG
// m_bSelected DEBUG
// m_TimeLastShotMark DEBUG
// m_bDeferredNavigation
// Outputs
DEFINE_OUTPUT( m_OnDamaged, "OnDamaged" ),
DEFINE_OUTPUT( m_OnDeath, "OnDeath" ),
DEFINE_OUTPUT( m_OnHalfHealth, "OnHalfHealth" ),
DEFINE_OUTPUT( m_OnFoundEnemy, "OnFoundEnemy" ),
DEFINE_OUTPUT( m_OnLostEnemyLOS, "OnLostEnemyLOS" ),
DEFINE_OUTPUT( m_OnLostEnemy, "OnLostEnemy" ),
DEFINE_OUTPUT( m_OnFoundPlayer, "OnFoundPlayer" ),
DEFINE_OUTPUT( m_OnLostPlayerLOS, "OnLostPlayerLOS" ),
DEFINE_OUTPUT( m_OnLostPlayer, "OnLostPlayer" ),
DEFINE_OUTPUT( m_OnHearWorld, "OnHearWorld" ),
DEFINE_OUTPUT( m_OnHearPlayer, "OnHearPlayer" ),
DEFINE_OUTPUT( m_OnHearCombat, "OnHearCombat" ),
DEFINE_OUTPUT( m_OnDamagedByPlayer, "OnDamagedByPlayer" ),
DEFINE_OUTPUT( m_OnDamagedByPlayerSquad, "OnDamagedByPlayerSquad" ),
DEFINE_OUTPUT( m_OnDenyCommanderUse, "OnDenyCommanderUse" ),
DEFINE_OUTPUT( m_OnRappelTouchdown, "OnRappelTouchdown" ),
DEFINE_OUTPUT( m_OnWake, "OnWake" ),
DEFINE_OUTPUT( m_OnSleep, "OnSleep" ),
DEFINE_OUTPUT( m_OnForcedInteractionStarted, "OnForcedInteractionStarted" ),
DEFINE_OUTPUT( m_OnForcedInteractionAborted, "OnForcedInteractionAborted" ),
DEFINE_OUTPUT( m_OnForcedInteractionFinished, "OnForcedInteractionFinished" ),
// Inputs
DEFINE_INPUTFUNC( FIELD_STRING, "SetRelationship", InputSetRelationship ),
DEFINE_INPUTFUNC( FIELD_STRING, "SetEnemyFilter", InputSetEnemyFilter ),
DEFINE_INPUTFUNC( FIELD_INTEGER, "SetHealth", InputSetHealth ),
DEFINE_INPUTFUNC( FIELD_VOID, "BeginRappel", InputBeginRappel ),
DEFINE_INPUTFUNC( FIELD_STRING, "SetSquad", InputSetSquad ),
DEFINE_INPUTFUNC( FIELD_VOID, "Wake", InputWake ),
DEFINE_INPUTFUNC( FIELD_STRING, "ForgetEntity", InputForgetEntity ),
DEFINE_INPUTFUNC( FIELD_FLOAT, "IgnoreDangerSounds", InputIgnoreDangerSounds ),
DEFINE_INPUTFUNC( FIELD_VOID, "Break", InputBreak ),
DEFINE_INPUTFUNC( FIELD_VOID, "StartScripting", InputStartScripting ),
DEFINE_INPUTFUNC( FIELD_VOID, "StopScripting", InputStopScripting ),
DEFINE_INPUTFUNC( FIELD_VOID, "GagEnable", InputGagEnable ),
DEFINE_INPUTFUNC( FIELD_VOID, "GagDisable", InputGagDisable ),
DEFINE_INPUTFUNC( FIELD_VOID, "InsideTransition", InputInsideTransition ),
DEFINE_INPUTFUNC( FIELD_VOID, "OutsideTransition", InputOutsideTransition ),
DEFINE_INPUTFUNC( FIELD_VOID, "ActivateSpeedModifier", InputActivateSpeedModifier ),
DEFINE_INPUTFUNC( FIELD_VOID, "DisableSpeedModifier", InputDisableSpeedModifier ),
DEFINE_INPUTFUNC( FIELD_INTEGER, "SetSpeedModRadius", InputSetSpeedModifierRadius ),
DEFINE_INPUTFUNC( FIELD_INTEGER, "SetSpeedModSpeed", InputSetSpeedModifierSpeed ),
DEFINE_INPUTFUNC( FIELD_VOID, "HolsterWeapon", InputHolsterWeapon ),
DEFINE_INPUTFUNC( FIELD_VOID, "HolsterAndDestroyWeapon", InputHolsterAndDestroyWeapon ),
DEFINE_INPUTFUNC( FIELD_VOID, "UnholsterWeapon", InputUnholsterWeapon ),
DEFINE_INPUTFUNC( FIELD_STRING, "ForceInteractionWithNPC", InputForceInteractionWithNPC ),
DEFINE_INPUTFUNC( FIELD_STRING, "UpdateEnemyMemory", InputUpdateEnemyMemory ),
// Function pointers
DEFINE_USEFUNC( NPCUse ),
DEFINE_THINKFUNC( CallNPCThink ),
DEFINE_THINKFUNC( CorpseFallThink ),
DEFINE_THINKFUNC( NPCInitThink ),
END_DATADESC()
BEGIN_SIMPLE_DATADESC( AIScheduleState_t )
DEFINE_FIELD( iCurTask, FIELD_INTEGER ),
DEFINE_FIELD( fTaskStatus, FIELD_INTEGER ),
DEFINE_FIELD( timeStarted, FIELD_TIME ),
DEFINE_FIELD( timeCurTaskStarted, FIELD_TIME ),
DEFINE_FIELD( taskFailureCode, FIELD_INTEGER ),
DEFINE_FIELD( iTaskInterrupt, FIELD_INTEGER ),
DEFINE_FIELD( bTaskRanAutomovement, FIELD_BOOLEAN ),
DEFINE_FIELD( bTaskUpdatedYaw, FIELD_BOOLEAN ),
DEFINE_FIELD( bScheduleWasInterrupted, FIELD_BOOLEAN ),
END_DATADESC()
IMPLEMENT_SERVERCLASS_ST( CAI_BaseNPC, DT_AI_BaseNPC )
SendPropInt( SENDINFO( m_lifeState ), 3, SPROP_UNSIGNED ),
SendPropBool( SENDINFO( m_bPerformAvoidance ) ),
SendPropBool( SENDINFO( m_bIsMoving ) ),
SendPropBool( SENDINFO( m_bFadeCorpse ) ),
SendPropInt( SENDINFO( m_iDeathPose ), ANIMATION_SEQUENCE_BITS ),
SendPropInt( SENDINFO( m_iDeathFrame ), 5 ),
SendPropBool( SENDINFO( m_bSpeedModActive ) ),
SendPropInt( SENDINFO( m_iSpeedModRadius ) ),
SendPropInt( SENDINFO( m_iSpeedModSpeed ) ),
SendPropBool( SENDINFO( m_bImportanRagdoll ) ),
SendPropFloat( SENDINFO( m_flTimePingEffect ) ),
END_SEND_TABLE()
//-------------------------------------
BEGIN_SIMPLE_DATADESC( UnreachableEnt_t )
DEFINE_FIELD( hUnreachableEnt, FIELD_EHANDLE ),
DEFINE_FIELD( fExpireTime, FIELD_TIME ),
DEFINE_FIELD( vLocationWhenUnreachable, FIELD_POSITION_VECTOR ),
END_DATADESC()
//-------------------------------------
BEGIN_SIMPLE_DATADESC( ScriptedNPCInteraction_Phases_t )
DEFINE_FIELD( iszSequence, FIELD_STRING ),
DEFINE_FIELD( iActivity, FIELD_INTEGER ),
END_DATADESC()
//-------------------------------------
BEGIN_SIMPLE_DATADESC( ScriptedNPCInteraction_t )
DEFINE_FIELD( iszInteractionName, FIELD_STRING ),
DEFINE_FIELD( iFlags, FIELD_INTEGER ),
DEFINE_FIELD( iTriggerMethod, FIELD_INTEGER ),
DEFINE_FIELD( iLoopBreakTriggerMethod, FIELD_INTEGER ),
DEFINE_FIELD( vecRelativeOrigin, FIELD_VECTOR ),
DEFINE_FIELD( angRelativeAngles, FIELD_VECTOR ),
DEFINE_FIELD( vecRelativeVelocity, FIELD_VECTOR ),
DEFINE_FIELD( flDelay, FIELD_FLOAT ),
DEFINE_FIELD( flDistSqr, FIELD_FLOAT ),
DEFINE_FIELD( iszMyWeapon, FIELD_STRING ),
DEFINE_FIELD( iszTheirWeapon, FIELD_STRING ),
DEFINE_EMBEDDED_ARRAY( sPhases, SNPCINT_NUM_PHASES ),
DEFINE_FIELD( matDesiredLocalToWorld, FIELD_VMATRIX ),
DEFINE_FIELD( bValidOnCurrentEnemy, FIELD_BOOLEAN ),
DEFINE_FIELD( flNextAttemptTime, FIELD_TIME ),
END_DATADESC()
//-------------------------------------
void CAI_BaseNPC::PostConstructor( const char *szClassname )
{
BaseClass::PostConstructor( szClassname );
CreateComponents();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::Activate( void )
{
BaseClass::Activate();
if ( GetModelPtr() )
{
ParseScriptedNPCInteractions();
}
// Get a handle to my enemy filter entity if there is one.
if ( m_iszEnemyFilterName != NULL_STRING )
{
CBaseEntity *pFilter = gEntList.FindEntityByName( NULL, m_iszEnemyFilterName );
if ( pFilter != NULL )
{
m_hEnemyFilter = dynamic_cast<CBaseFilter*>(pFilter);
}
}
#ifdef AI_MONITOR_FOR_OSCILLATION
m_ScheduleHistory.RemoveAll();
#endif//AI_MONITOR_FOR_OSCILLATION
}
void CAI_BaseNPC::Precache( void )
{
gm_iszPlayerSquad = AllocPooledString( PLAYER_SQUADNAME ); // cache for fast IsPlayerSquad calls
if ( m_spawnEquipment != NULL_STRING && strcmp(STRING(m_spawnEquipment), "0") )
{
UTIL_PrecacheOther( STRING(m_spawnEquipment) );
}
// Make sure schedules are loaded for this NPC type
if (!LoadedSchedules())
{
DevMsg("ERROR: Rejecting spawn of %s as error in NPC's schedules.\n",GetDebugName());
UTIL_Remove(this);
return;
}
PrecacheScriptSound( "AI_BaseNPC.SwishSound" );
PrecacheScriptSound( "AI_BaseNPC.BodyDrop_Heavy" );
PrecacheScriptSound( "AI_BaseNPC.BodyDrop_Light" );
PrecacheScriptSound( "AI_BaseNPC.SentenceStop" );
BaseClass::Precache();
}
//-----------------------------------------------------------------------------
const short AI_EXTENDED_SAVE_HEADER_VERSION = 5;
const short AI_EXTENDED_SAVE_HEADER_RESET_VERSION = 3;
const short AI_EXTENDED_SAVE_HEADER_FIRST_VERSION_WITH_CONDITIONS = 2;
const short AI_EXTENDED_SAVE_HEADER_FIRST_VERSION_WITH_SCHEDULE_ID_FIXUP = 3;
const short AI_EXTENDED_SAVE_HEADER_FIRST_VERSION_WITH_SEQUENCE = 4;
const short AI_EXTENDED_SAVE_HEADER_FIRST_VERSION_WITH_NAVIGATOR_SAVE = 5;
struct AIExtendedSaveHeader_t
{
AIExtendedSaveHeader_t()
: version(AI_EXTENDED_SAVE_HEADER_VERSION),
flags(0),
scheduleCrc(0)
{
szSchedule[0] = 0;
szIdealSchedule[0] = 0;
szFailSchedule[0] = 0;
szSequence[0] = 0;
}
short version;
unsigned flags;
char szSchedule[128];
CRC32_t scheduleCrc;
char szIdealSchedule[128];
char szFailSchedule[128];
char szSequence[128];
DECLARE_SIMPLE_DATADESC();
};
enum AIExtendedSaveHeaderFlags_t
{
AIESH_HAD_ENEMY = 0x01,
AIESH_HAD_TARGET = 0x02,
AIESH_HAD_NAVGOAL = 0x04,
};
//-------------------------------------
BEGIN_SIMPLE_DATADESC( AIExtendedSaveHeader_t )
DEFINE_FIELD( version, FIELD_SHORT ),
DEFINE_FIELD( flags, FIELD_INTEGER ),
DEFINE_AUTO_ARRAY( szSchedule, FIELD_CHARACTER ),
DEFINE_FIELD( scheduleCrc, FIELD_INTEGER ),
DEFINE_AUTO_ARRAY( szIdealSchedule, FIELD_CHARACTER ),
DEFINE_AUTO_ARRAY( szFailSchedule, FIELD_CHARACTER ),
DEFINE_AUTO_ARRAY( szSequence, FIELD_CHARACTER ),
END_DATADESC()
//-------------------------------------
int CAI_BaseNPC::Save( ISave &save )
{
AIExtendedSaveHeader_t saveHeader;
if ( GetEnemy() )
saveHeader.flags |= AIESH_HAD_ENEMY;
if ( GetTarget() )
saveHeader.flags |= AIESH_HAD_TARGET;
if ( GetNavigator()->IsGoalActive() )
saveHeader.flags |= AIESH_HAD_NAVGOAL;
if ( m_pSchedule )
{
const char *pszSchedule = m_pSchedule->GetName();
Assert( Q_strlen( pszSchedule ) < sizeof( saveHeader.szSchedule ) - 1 );
Q_strncpy( saveHeader.szSchedule, pszSchedule, sizeof( saveHeader.szSchedule ) );
CRC32_Init( &saveHeader.scheduleCrc );
CRC32_ProcessBuffer( &saveHeader.scheduleCrc, (void *)m_pSchedule->GetTaskList(), m_pSchedule->NumTasks() * sizeof(Task_t) );
CRC32_Final( &saveHeader.scheduleCrc );
}
else
{
saveHeader.szSchedule[0] = 0;
saveHeader.scheduleCrc = 0;
}
int idealSchedule = GetGlobalScheduleId( m_IdealSchedule );
if ( idealSchedule != -1 && idealSchedule != AI_RemapToGlobal( SCHED_NONE ) && idealSchedule != AI_RemapToGlobal( SCHED_AISCRIPT ) )
{
CAI_Schedule *pIdealSchedule = GetSchedule( m_IdealSchedule );
if ( pIdealSchedule )
{
const char *pszIdealSchedule = pIdealSchedule->GetName();
Assert( Q_strlen( pszIdealSchedule ) < sizeof( saveHeader.szIdealSchedule ) - 1 );
Q_strncpy( saveHeader.szIdealSchedule, pszIdealSchedule, sizeof( saveHeader.szIdealSchedule ) );
}
}
int failSchedule = GetGlobalScheduleId( m_failSchedule );
if ( failSchedule != -1 && failSchedule != AI_RemapToGlobal( SCHED_NONE ) && failSchedule != AI_RemapToGlobal( SCHED_AISCRIPT ) )
{
CAI_Schedule *pFailSchedule = GetSchedule( m_failSchedule );
if ( pFailSchedule )
{
const char *pszFailSchedule = pFailSchedule->GetName();
Assert( Q_strlen( pszFailSchedule ) < sizeof( saveHeader.szFailSchedule ) - 1 );
Q_strncpy( saveHeader.szFailSchedule, pszFailSchedule, sizeof( saveHeader.szFailSchedule ) );
}
}
if ( GetSequence() != ACT_INVALID && GetModelPtr() )
{
const char *pszSequenceName = GetSequenceName( GetSequence() );
if ( pszSequenceName && *pszSequenceName )
{
Assert( Q_strlen( pszSequenceName ) < sizeof( saveHeader.szSequence ) - 1 );
Q_strncpy( saveHeader.szSequence, pszSequenceName, sizeof(saveHeader.szSequence) );
}
}
save.WriteAll( &saveHeader );
save.StartBlock();
SaveConditions( save, m_Conditions );
SaveConditions( save, m_CustomInterruptConditions );
SaveConditions( save, m_ConditionsPreIgnore );
CAI_ScheduleBits ignoreConditions;
m_InverseIgnoreConditions.Not( &ignoreConditions );
SaveConditions( save, ignoreConditions );
save.EndBlock();
save.StartBlock();
GetNavigator()->Save( save );
save.EndBlock();
return BaseClass::Save(save);
}
//-------------------------------------
void CAI_BaseNPC::DiscardScheduleState()
{
// We don't save/restore routes yet
GetNavigator()->ClearGoal();
// We don't save/restore schedules yet
ClearSchedule( "Restoring NPC" );
// Reset animation
m_Activity = ACT_RESET;
// If we don't have an enemy, clear conditions like see enemy, etc.
if ( GetEnemy() == NULL )
{
m_Conditions.ClearAll();
}
// went across a transition and lost my m_hCine
bool bLostScript = ( m_NPCState == NPC_STATE_SCRIPT && m_hCine == NULL );
if ( bLostScript )
{
// UNDONE: Do something better here?
// for now, just go back to idle and let the AI figure out what to do.
SetState( NPC_STATE_IDLE );
SetIdealState( NPC_STATE_IDLE );
DevMsg(1, "Scripted Sequence stripped on level transition for %s\n", GetDebugName() );
}
}
//-------------------------------------
void CAI_BaseNPC::OnRestore()
{
gm_iszPlayerSquad = AllocPooledString( PLAYER_SQUADNAME ); // cache for fast IsPlayerSquad calls
if ( m_bDoPostRestoreRefindPath && CAI_NetworkManager::NetworksLoaded() )
{
CAI_DynamicLink::InitDynamicLinks();
if ( !GetNavigator()->RefindPathToGoal( false ) )
DiscardScheduleState();
}
else
{
GetNavigator()->ClearGoal();
}
BaseClass::OnRestore();
m_bCheckContacts = true;
}
//-------------------------------------
int CAI_BaseNPC::Restore( IRestore &restore )
{
AIExtendedSaveHeader_t saveHeader;
restore.ReadAll( &saveHeader );
if ( saveHeader.version >= AI_EXTENDED_SAVE_HEADER_FIRST_VERSION_WITH_CONDITIONS )
{
restore.StartBlock();
RestoreConditions( restore, &m_Conditions );
RestoreConditions( restore, &m_CustomInterruptConditions );
RestoreConditions( restore, &m_ConditionsPreIgnore );
CAI_ScheduleBits ignoreConditions;
RestoreConditions( restore, &ignoreConditions );
ignoreConditions.Not( &m_InverseIgnoreConditions );
restore.EndBlock();
}
if ( saveHeader.version >= AI_EXTENDED_SAVE_HEADER_FIRST_VERSION_WITH_NAVIGATOR_SAVE )
{
restore.StartBlock();
GetNavigator()->Restore( restore );
restore.EndBlock();
}
// do a normal restore
int status = BaseClass::Restore(restore);
if ( !status )
return 0;
// Do schedule fix-up
if ( saveHeader.version >= AI_EXTENDED_SAVE_HEADER_FIRST_VERSION_WITH_SCHEDULE_ID_FIXUP )
{
if ( saveHeader.szIdealSchedule[0] )
{
CAI_Schedule *pIdealSchedule = g_AI_SchedulesManager.GetScheduleByName( saveHeader.szIdealSchedule );
m_IdealSchedule = ( pIdealSchedule ) ? pIdealSchedule->GetId() : SCHED_NONE;
}
if ( saveHeader.szFailSchedule[0] )
{
CAI_Schedule *pFailSchedule = g_AI_SchedulesManager.GetScheduleByName( saveHeader.szFailSchedule );
m_failSchedule = ( pFailSchedule ) ? pFailSchedule->GetId() : SCHED_NONE;
}
}
bool bLostSequence = false;
if ( saveHeader.version >= AI_EXTENDED_SAVE_HEADER_FIRST_VERSION_WITH_SEQUENCE && saveHeader.szSequence[0] && GetModelPtr() )
{
SetSequence( LookupSequence( saveHeader.szSequence ) );
if ( GetSequence() == ACT_INVALID )
{
DevMsg( this, AIMF_IGNORE_SELECTED, "Discarding missing sequence %s on load.\n", saveHeader.szSequence );
SetSequence( 0 );
bLostSequence = true;
}
Assert( IsValidSequence( GetSequence() ) );
}
bool bLostScript = ( m_NPCState == NPC_STATE_SCRIPT && m_hCine == NULL );
bool bDiscardScheduleState = ( bLostScript ||
bLostSequence ||
saveHeader.szSchedule[0] == 0 ||
saveHeader.version < AI_EXTENDED_SAVE_HEADER_RESET_VERSION ||
( (saveHeader.flags & AIESH_HAD_ENEMY) && !GetEnemy() ) ||
( (saveHeader.flags & AIESH_HAD_TARGET) && !GetTarget() ) );
if ( m_ScheduleState.taskFailureCode >= NUM_FAIL_CODES )
m_ScheduleState.taskFailureCode = FAIL_NO_TARGET; // must have been a string, gotta punt
if ( !bDiscardScheduleState )
{
m_pSchedule = g_AI_SchedulesManager.GetScheduleByName( saveHeader.szSchedule );
if ( m_pSchedule )
{
CRC32_t scheduleCrc;
CRC32_Init( &scheduleCrc );
CRC32_ProcessBuffer( &scheduleCrc, (void *)m_pSchedule->GetTaskList(), m_pSchedule->NumTasks() * sizeof(Task_t) );
CRC32_Final( &scheduleCrc );
if ( scheduleCrc != saveHeader.scheduleCrc )
{
m_pSchedule = NULL;
}
}
}
if ( !m_pSchedule )
bDiscardScheduleState = true;
if ( !bDiscardScheduleState )
m_bDoPostRestoreRefindPath = ( ( saveHeader.flags & AIESH_HAD_NAVGOAL) != 0 );
else
{
m_bDoPostRestoreRefindPath = false;
DiscardScheduleState();
}
return status;
}
//-------------------------------------
void CAI_BaseNPC::SaveConditions( ISave &save, const CAI_ScheduleBits &conditions )
{
for (int i = 0; i < MAX_CONDITIONS; i++)
{
if (conditions.IsBitSet(i))
{
const char *pszConditionName = ConditionName(AI_RemapToGlobal(i));
if ( !pszConditionName )
break;
save.WriteString( pszConditionName );
}
}
save.WriteString( "" );
}
//-------------------------------------
void CAI_BaseNPC::RestoreConditions( IRestore &restore, CAI_ScheduleBits *pConditions )
{
pConditions->ClearAll();
char szCondition[256];
for (;;)
{
restore.ReadString( szCondition, sizeof(szCondition), 0 );
if ( !szCondition[0] )
break;
int iCondition = GetSchedulingSymbols()->ConditionSymbolToId( szCondition );
if ( iCondition != -1 )
pConditions->Set( AI_RemapFromGlobal( iCondition ) );
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::KeyValue( const char *szKeyName, const char *szValue )
{
bool bResult = BaseClass::KeyValue( szKeyName, szValue );
if( !bResult )
{
// Defer unhandled Keys to behaviors
CAI_BehaviorBase **ppBehaviors = AccessBehaviors();
for ( int i = 0; i < NumBehaviors(); i++ )
{
if( ppBehaviors[ i ]->KeyValue( szKeyName, szValue ) )
{
return true;
}
}
}
return bResult;
}
//-----------------------------------------------------------------------------
// Purpose: Debug function to make this NPC freeze in place (or unfreeze).
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ToggleFreeze(void)
{
if (!IsCurSchedule(SCHED_NPC_FREEZE))
{
// Freeze them.
SetCondition(COND_NPC_FREEZE);
SetMoveType(MOVETYPE_NONE);
SetGravity(0);
SetLocalAngularVelocity(vec3_angle);
SetAbsVelocity( vec3_origin );
}
else
{
// Unfreeze them.
SetCondition(COND_NPC_UNFREEZE);
m_Activity = ACT_RESET;
// BUGBUG: this might not be the correct movetype!
SetMoveType( MOVETYPE_STEP );
// Doesn't restore gravity to the original value, but who cares?
SetGravity(1);
}
}
//-----------------------------------------------------------------------------
// Purpose: Written by subclasses macro to load schedules
// Input :
// Output :
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::LoadSchedules(void)
{
return true;
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::LoadedSchedules(void)
{
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Constructor
// Input :
// Output :
//-----------------------------------------------------------------------------
CAI_BaseNPC::CAI_BaseNPC(void)
: m_UnreachableEnts( 0, 4 ),
m_bDeferredNavigation( false )
{
m_pMotor = NULL;
m_pMoveProbe = NULL;
m_pNavigator = NULL;
m_pSenses = NULL;
m_pPathfinder = NULL;
m_pLocalNavigator = NULL;
m_pSchedule = NULL;
m_IdealSchedule = SCHED_NONE;
#ifdef _DEBUG
// necessary since in debug, we initialize vectors to NAN for debugging
m_vecLastPosition.Init();
m_vSavePosition.Init();
m_vEyeLookTarget.Init();
m_vCurEyeTarget.Init();
m_vDefaultEyeOffset.Init();
#endif
m_bDidDeathCleanup = false;
m_afCapability = 0; // Make sure this is cleared in the base class
SetHullType(HULL_HUMAN); // Give human hull by default, subclasses should override
m_iMySquadSlot = SQUAD_SLOT_NONE;
m_flSumDamage = 0;
m_flLastDamageTime = 0;
m_flLastAttackTime = 0;
m_flSoundWaitTime = 0;
m_flNextEyeLookTime = 0;
m_flHeadYaw = 0;
m_flHeadPitch = 0;
m_spawnEquipment = NULL_STRING;
m_SquadName = NULL_STRING;
m_pEnemies = new CAI_Enemies;
m_bIgnoreUnseenEnemies = false;
m_flEyeIntegRate = 0.95;
SetTarget( NULL );
m_pSquad = NULL;
m_flMoveWaitFinished = 0;
m_fIsUsingSmallHull = true;
m_bHintGroupNavLimiting = false;
m_fNoDamageDecal = false;
SetInAScript( false );
m_pLockedBestSound = new CSound;
m_pLockedBestSound->m_iType = SOUND_NONE;
// ----------------------------
// Debugging fields
// ----------------------------
m_interruptText = NULL;
m_failText = NULL;
m_failedSchedule = NULL;
m_interuptSchedule = NULL;
m_nDebugPauseIndex = 0;
g_AI_Manager.AddAI( this );
if ( g_AI_Manager.NumAIs() == 1 )
{
m_AnyUpdateEnemyPosTimer.Force();
gm_flTimeLastSpawn = -1;
gm_nSpawnedThisFrame = 0;
gm_iNextThinkRebalanceTick = 0;
}
m_iFrameBlocked = -1;
m_bInChoreo = true; // assume so until call to UpdateEfficiency()
SetCollisionGroup( COLLISION_GROUP_NPC );
}
//-----------------------------------------------------------------------------
// Purpose: Destructor
// Input :
// Output :
//-----------------------------------------------------------------------------
CAI_BaseNPC::~CAI_BaseNPC(void)
{
g_AI_Manager.RemoveAI( this );
delete m_pLockedBestSound;
RemoveMemory();
delete m_pPathfinder;
delete m_pNavigator;
delete m_pMotor;
delete m_pLocalNavigator;
delete m_pMoveProbe;
delete m_pSenses;
delete m_pTacticalServices;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::UpdateOnRemove(void)
{
if ( !m_bDidDeathCleanup )
{
if ( m_NPCState == NPC_STATE_DEAD )
DevMsg( "May not have cleaned up on NPC death\n");
CleanupOnDeath( NULL, false );
}
// Chain at end to mimic destructor unwind order
BaseClass::UpdateOnRemove();
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
int CAI_BaseNPC::UpdateTransmitState()
{
if( gpGlobals->curtime < m_flTimePingEffect )
{
return SetTransmitState( FL_EDICT_ALWAYS );
}
return BaseClass::UpdateTransmitState();
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::CreateComponents()
{
m_pSenses = CreateSenses();
if ( !m_pSenses )
return false;
m_pMotor = CreateMotor();
if ( !m_pMotor )
return false;
m_pLocalNavigator = CreateLocalNavigator();
if ( !m_pLocalNavigator )
return false;
m_pMoveProbe = CreateMoveProbe();
if ( !m_pMoveProbe )
return false;
m_pNavigator = CreateNavigator();
if ( !m_pNavigator )
return false;
m_pPathfinder = CreatePathfinder();
if ( !m_pPathfinder )
return false;
m_pTacticalServices = CreateTacticalServices();
if ( !m_pTacticalServices )
return false;
m_MoveAndShootOverlay.SetOuter( this );
m_pMotor->Init( m_pLocalNavigator );
m_pLocalNavigator->Init( m_pNavigator );
m_pNavigator->Init( g_pBigAINet );
m_pPathfinder->Init( g_pBigAINet );
m_pTacticalServices->Init( g_pBigAINet );
return true;
}
//-----------------------------------------------------------------------------
CAI_Senses *CAI_BaseNPC::CreateSenses()
{
CAI_Senses *pSenses = new CAI_Senses;
pSenses->SetOuter( this );
return pSenses;
}
//-----------------------------------------------------------------------------
CAI_Motor *CAI_BaseNPC::CreateMotor()
{
return new CAI_Motor( this );
}
//-----------------------------------------------------------------------------
CAI_MoveProbe *CAI_BaseNPC::CreateMoveProbe()
{
return new CAI_MoveProbe( this );
}
//-----------------------------------------------------------------------------
CAI_LocalNavigator *CAI_BaseNPC::CreateLocalNavigator()
{
return new CAI_LocalNavigator( this );
}
//-----------------------------------------------------------------------------
CAI_TacticalServices *CAI_BaseNPC::CreateTacticalServices()
{
return new CAI_TacticalServices( this );
}
//-----------------------------------------------------------------------------
CAI_Navigator *CAI_BaseNPC::CreateNavigator()
{
return new CAI_Navigator( this );
}
//-----------------------------------------------------------------------------
CAI_Pathfinder *CAI_BaseNPC::CreatePathfinder()
{
return new CAI_Pathfinder( this );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputSetRelationship( inputdata_t &inputdata )
{
AddRelationship( inputdata.value.String(), inputdata.pActivator );
}
//-----------------------------------------------------------------------------
// Won't affect the current enemy, only future enemy acquisitions.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputSetEnemyFilter( inputdata_t &inputdata )
{
// Get a handle to my enemy filter entity if there is one.
CBaseEntity *pFilter = gEntList.FindEntityByName( NULL, inputdata.value.StringID() );
m_hEnemyFilter = dynamic_cast<CBaseFilter*>(pFilter);
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputSetHealth( inputdata_t &inputdata )
{
int iNewHealth = inputdata.value.Int();
int iDelta = abs(GetHealth() - iNewHealth);
if ( iNewHealth > GetHealth() )
{
TakeHealth( iDelta, DMG_GENERIC );
}
else if ( iNewHealth < GetHealth() )
{
TakeDamage( CTakeDamageInfo( this, this, iDelta, DMG_GENERIC ) );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputBeginRappel( inputdata_t &inputdata )
{
BeginRappel();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputSetSquad( inputdata_t &inputdata )
{
if ( !( CapabilitiesGet() & bits_CAP_SQUAD ) )
{
Warning("SetSquad Input received for NPC %s, but that NPC can't use squads.\n", GetDebugName() );
return;
}
m_SquadName = inputdata.value.StringID();
// Removing from squad?
if ( m_SquadName == NULL_STRING )
{
if ( m_pSquad )
{
m_pSquad->RemoveFromSquad(this, true);
m_pSquad = NULL;
}
}
else
{
m_pSquad = g_AI_SquadManager.FindCreateSquad(this, m_SquadName);
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputWake( inputdata_t &inputdata )
{
Wake();
// Check if we have a path to follow. This is normally done in StartNPC,
// but putting the NPC to sleep will cancel it, so we have to do it again.
if ( m_target != NULL_STRING )// this npc has a target
{
// Find the npc's initial target entity, stash it
SetGoalEnt( gEntList.FindEntityByName( NULL, m_target ) );
if ( !GetGoalEnt() )
{
Warning( "ReadyNPC()--%s couldn't find target %s\n", GetClassname(), STRING(m_target));
}
else
{
StartTargetHandling( GetGoalEnt() );
}
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputForgetEntity( inputdata_t &inputdata )
{
const char *pszEntityToForget = inputdata.value.String();
if ( g_pDeveloper->GetInt() && pszEntityToForget[strlen( pszEntityToForget ) - 1] == '*' )
DevMsg( "InputForgetEntity does not support wildcards\n" );
CBaseEntity *pEntity = gEntList.FindEntityByName( NULL, pszEntityToForget );
if ( pEntity )
{
if ( GetEnemy() == pEntity )
{
SetEnemy( NULL );
SetIdealState( NPC_STATE_ALERT );
}
GetEnemies()->ClearMemory( pEntity );
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputIgnoreDangerSounds( inputdata_t &inputdata )
{
// Default is 10 seconds.
float flDelay = 10.0f;
if( inputdata.value.Float() > 0.0f )
{
flDelay = inputdata.value.Float();
}
m_flIgnoreDangerSoundsUntil = gpGlobals->curtime + flDelay;
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputUpdateEnemyMemory( inputdata_t &inputdata )
{
const char *pszEnemy = inputdata.value.String();
CBaseEntity *pEnemy = gEntList.FindEntityByName( NULL, pszEnemy );
if( pEnemy )
{
UpdateEnemyMemory( pEnemy, pEnemy->GetAbsOrigin(), this );
}
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &inputdata -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputOutsideTransition( inputdata_t &inputdata )
{
}
//-----------------------------------------------------------------------------
// Purpose: Called when this NPC transitions to another level with the player
// Input : &inputdata -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputInsideTransition( inputdata_t &inputdata )
{
CleanupScriptsOnTeleport( true );
// If we're inside a vcd, tell it to stop
if ( IsCurSchedule( SCHED_SCENE_GENERIC, false ) )
{
RemoveActorFromScriptedScenes( this, false );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CleanupScriptsOnTeleport( bool bEnrouteAsWell )
{
// If I'm running a scripted sequence, I need to clean up
if ( m_NPCState == NPC_STATE_SCRIPT && m_hCine )
{
if ( !bEnrouteAsWell )
{
//
// Don't cancel scripts when they're teleporting an NPC
// to the script for the purposes of movement.
//
if ( ( m_scriptState == CAI_BaseNPC::SCRIPT_WALK_TO_MARK ) ||
( m_scriptState == CAI_BaseNPC::SCRIPT_RUN_TO_MARK ) ||
( m_scriptState == CAI_BaseNPC::SCRIPT_CUSTOM_MOVE_TO_MARK ) ||
m_hCine->IsTeleportingDueToMoveTo() )
{
return;
}
}
m_hCine->ScriptEntityCancel( m_hCine, true );
}
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::HandleInteraction(int interactionType, void *data, CBaseCombatCharacter* sourceEnt)
{
#ifdef HL2_DLL
if ( interactionType == g_interactionBarnacleVictimGrab )
{
// Make the victim stop thinking so they're as good as dead without
// shocking the system by destroying the entity.
StopLoopingSounds();
BarnacleDeathSound();
SetThink( NULL );
// Gag the NPC so they won't talk anymore
AddSpawnFlags( SF_NPC_GAG );
// Drop any weapon they're holding
if ( GetActiveWeapon() )
{
Weapon_Drop( GetActiveWeapon() );
}
return true;
}
#endif // HL2_DLL
return BaseClass::HandleInteraction( interactionType, data, sourceEnt );
}
CAI_BaseNPC *CAI_BaseNPC::GetInteractionPartner( void )
{
if ( m_hInteractionPartner == NULL )
return NULL;
return m_hInteractionPartner->MyNPCPointer();
}
//-----------------------------------------------------------------------------
// Purpose: Called when exiting a scripted sequence.
// Output : Returns true if alive, false if dead.
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::ExitScriptedSequence( )
{
if ( m_lifeState == LIFE_DYING )
{
// is this legal?
// BUGBUG -- This doesn't call Killed()
SetIdealState( NPC_STATE_DEAD );
return false;
}
if (m_hCine)
{
m_hCine->CancelScript( );
}
return true;
}
ConVar sv_test_scripted_sequences( "sv_test_scripted_sequences", "0", FCVAR_NONE, "Tests for scripted sequences that are embedded in the world. Run through your map with this set to check for NPCs falling through the world." );
bool CAI_BaseNPC::CineCleanup()
{
CAI_ScriptedSequence *pOldCine = m_hCine;
int nSavedFlags = ( m_hCine ? m_hCine->m_savedFlags : GetFlags() );
bool bDestroyCine = false;
if ( IsRunningDynamicInteraction() )
{
bDestroyCine = true;
// Re-enable physics collisions between me & the other NPC
if ( m_hInteractionPartner )
{
PhysEnableEntityCollisions( this, m_hInteractionPartner );
//Msg("%s(%s) enabled collisions with %s(%s) at %0.2f\n", GetClassname(), GetDebugName(), m_hInteractionPartner->GetClassName(), m_hInteractionPartner->GetDebugName(), gpGlobals->curtime );
}
if ( m_hForcedInteractionPartner )
{
// We've finished a forced interaction. Let the mapmaker know.
m_OnForcedInteractionFinished.FireOutput( this, this );
}
// Clear interaction partner, because we're not running a scripted sequence anymore
m_hInteractionPartner = NULL;
CleanupForcedInteraction();
}
// am I linked to a cinematic?
if (m_hCine)
{
// okay, reset me to what it thought I was before
m_hCine->SetTarget( NULL );
// NOTE that this will have had EF_NODRAW removed in script.dll when it's cached off
SetEffects( m_hCine->m_saved_effects );
SetCollisionGroup( m_hCine->m_savedCollisionGroup );
}
else
{
// arg, punt
AddSolidFlags( FSOLID_NOT_STANDABLE );
}
m_hCine = NULL;
SetTarget( NULL );
SetGoalEnt( NULL );
if (m_lifeState == LIFE_DYING)
{
// last frame of death animation?
if ( m_iHealth > 0 )
{
m_iHealth = 0;
}
AddSolidFlags( FSOLID_NOT_SOLID );
SetState( NPC_STATE_DEAD );
m_lifeState = LIFE_DEAD;
UTIL_SetSize( this, WorldAlignMins(), Vector(WorldAlignMaxs().x, WorldAlignMaxs().y, WorldAlignMins().z + 2) );
if ( pOldCine && pOldCine->HasSpawnFlags( SF_SCRIPT_LEAVECORPSE ) )
{
SetUse( NULL ); // BUGBUG -- This doesn't call Killed()
SetThink( NULL ); // This will probably break some stuff
SetTouch( NULL );
}
else
SUB_StartFadeOut(); // SetThink( SUB_DoNothing );
//Not becoming a ragdoll, so set the NOINTERP flag on.
if ( CanBecomeRagdoll() == false )
{
StopAnimation();
IncrementInterpolationFrame(); // Don't interpolate either, assume the corpse is positioned in its final resting place
}
SetMoveType( MOVETYPE_NONE );
return false;
}
// If we actually played a sequence
if ( pOldCine && pOldCine->m_iszPlay != NULL_STRING && pOldCine->PlayedSequence() )
{
if ( !pOldCine->HasSpawnFlags(SF_SCRIPT_DONT_TELEPORT_AT_END) )
{
// reset position
Vector new_origin;
QAngle new_angle;
GetBonePosition( 0, new_origin, new_angle );
// Figure out how far they have moved
// We can't really solve this problem because we can't query the movement of the origin relative
// to the sequence. We can get the root bone's position as we do here, but there are
// cases where the root bone is in a different relative position to the entity's origin
// before/after the sequence plays. So we are stuck doing this:
// !!!HACKHACK: Float the origin up and drop to floor because some sequences have
// irregular motion that can't be properly accounted for.
// UNDONE: THIS SHOULD ONLY HAPPEN IF WE ACTUALLY PLAYED THE SEQUENCE.
Vector oldOrigin = GetLocalOrigin();
// UNDONE: ugly hack. Don't move NPC if they don't "seem" to move
// this really needs to be done with the AX,AY,etc. flags, but that aren't consistantly
// being set, so animations that really do move won't be caught.
if ((oldOrigin - new_origin).Length2D() < 8.0)
new_origin = oldOrigin;
Vector origin = GetLocalOrigin();
origin.x = new_origin.x;
origin.y = new_origin.y;
origin.z += 1;
if ( nSavedFlags & FL_FLY )
{
origin.z = new_origin.z;
SetLocalOrigin( origin );
}
else
{
SetLocalOrigin( origin );
int drop = UTIL_DropToFloor( this, MASK_NPCSOLID, UTIL_GetLocalPlayer() );
// Origin in solid? Set to org at the end of the sequence
if ( ( drop < 0 ) || sv_test_scripted_sequences.GetBool() )
{
SetLocalOrigin( oldOrigin );
}
else if ( drop == 0 ) // Hanging in air?
{
Vector origin = GetLocalOrigin();
origin.z = new_origin.z;
SetLocalOrigin( origin );
SetGroundEntity( NULL );
}
}
origin = GetLocalOrigin();
// teleport if it's a non-trivial distance
if ((oldOrigin - origin).Length() > 8.0)
{
// Call teleport to notify
Teleport( &origin, NULL, NULL );
SetLocalOrigin( origin );
IncrementInterpolationFrame();
}
if ( m_iHealth <= 0 )
{
// Dropping out because he got killed
SetIdealState( NPC_STATE_DEAD );
SetCondition( COND_LIGHT_DAMAGE );
m_lifeState = LIFE_DYING;
}
}
// We should have some animation to put these guys in, but for now it's idle.
// Due to NOINTERP above, there won't be any blending between this anim & the sequence
m_Activity = ACT_RESET;
}
// set them back into a normal state
if ( m_iHealth > 0 )
{
SetIdealState( NPC_STATE_IDLE );
}
else
{
// Dropping out because he got killed
SetIdealState( NPC_STATE_DEAD );
SetCondition( COND_LIGHT_DAMAGE );
}
// SetAnimation( m_NPCState );
CLEARBITS(m_spawnflags, SF_NPC_WAIT_FOR_SCRIPT );
if ( bDestroyCine )
{
UTIL_Remove( pOldCine );
}
return true;
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::Teleport( const Vector *newPosition, const QAngle *newAngles, const Vector *newVelocity )
{
CleanupScriptsOnTeleport( false );
BaseClass::Teleport( newPosition, newAngles, newVelocity );
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::FindSpotForNPCInRadius( Vector *pResult, const Vector &vStartPos, CAI_BaseNPC *pNPC, float radius, bool bOutOfPlayerViewcone )
{
CBasePlayer *pPlayer = AI_GetSinglePlayer();
QAngle fan;
fan.x = 0;
fan.z = 0;
for( fan.y = 0 ; fan.y < 360 ; fan.y += 18.0 )
{
Vector vecTest;
Vector vecDir;
AngleVectors( fan, &vecDir );
vecTest = vStartPos + vecDir * radius;
if ( bOutOfPlayerViewcone && pPlayer && !pPlayer->FInViewCone( vecTest ) )
continue;
trace_t tr;
UTIL_TraceLine( vecTest, vecTest - Vector( 0, 0, 8192 ), MASK_SHOT, pNPC, COLLISION_GROUP_NONE, &tr );
if( tr.fraction == 1.0 )
{
continue;
}
UTIL_TraceHull( tr.endpos,
tr.endpos + Vector( 0, 0, 10 ),
pNPC->GetHullMins(),
pNPC->GetHullMaxs(),
MASK_NPCSOLID,
pNPC,
COLLISION_GROUP_NONE,
&tr );
if( tr.fraction == 1.0 && pNPC->GetMoveProbe()->CheckStandPosition( tr.endpos, MASK_NPCSOLID ) )
{
*pResult = tr.endpos;
return true;
}
}
return false;
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsNavigationUrgent()
{
// return true if the navigation is for something that can't react well to failure
if ( IsCurSchedule( SCHED_SCRIPTED_WALK, false ) ||
IsCurSchedule( SCHED_SCRIPTED_RUN, false ) ||
IsCurSchedule( SCHED_SCRIPTED_CUSTOM_MOVE, false ) ||
( IsCurSchedule( SCHED_SCENE_GENERIC, false ) && IsInLockedScene() ) )
{
return true;
}
return false;
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::ShouldFailNav( bool bMovementFailed )
{
#ifdef HL2_EPISODIC
if ( ai_vehicle_avoidance.GetBool() )
{
// Never be blocked this way by a vehicle (creates too many headaches around the levels)
CBaseEntity *pEntity = GetNavigator()->GetBlockingEntity();
if ( pEntity && pEntity->GetServerVehicle() )
{
// Vital allies never get stuck, and urgent moves cannot be blocked by a vehicle
if ( Classify() == CLASS_PLAYER_ALLY_VITAL || IsNavigationUrgent() )
return false;
}
}
#endif // HL2_EPISODIC
// It's up to the schedule that requested movement to deal with failed movement. Currently, only a handfull of
// schedules are considered Urgent, and they need to deal with what to do when there's no route, which by inspection
// they'd don't.
if ( IsNavigationUrgent())
{
return false;
}
return true;
}
Navigation_t CAI_BaseNPC::GetNavType() const
{
return m_pNavigator->GetNavType();
}
void CAI_BaseNPC::SetNavType( Navigation_t navType )
{
m_pNavigator->SetNavType( navType );
}
//-----------------------------------------------------------------------------
// NPCs can override this to tweak with how costly particular movements are
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::MovementCost( int moveType, const Vector &vecStart, const Vector &vecEnd, float *pCost )
{
// We have nothing to say on the matter, but derived classes might
return false;
}
bool CAI_BaseNPC::OverrideMoveFacing( const AILocalMoveGoal_t &move, float flInterval )
{
return false;
}
bool CAI_BaseNPC::OverrideMove( float flInterval )
{
return false;
}
//=========================================================
// VecToYaw - turns a directional vector into a yaw value
// that points down that vector.
//=========================================================
float CAI_BaseNPC::VecToYaw( const Vector &vecDir )
{
if (vecDir.x == 0 && vecDir.y == 0 && vecDir.z == 0)
return GetLocalAngles().y;
return UTIL_VecToYaw( vecDir );
}
//-----------------------------------------------------------------------------
// Inherited from IAI_MotorMovementServices
//-----------------------------------------------------------------------------
float CAI_BaseNPC::CalcYawSpeed( void )
{
// Negative values are invalud
return -1.0f;
}
bool CAI_BaseNPC::OnCalcBaseMove( AILocalMoveGoal_t *pMoveGoal,
float distClear,
AIMoveResult_t *pResult )
{
if ( pMoveGoal->directTrace.pObstruction )
{
CBasePropDoor *pPropDoor = dynamic_cast<CBasePropDoor *>( pMoveGoal->directTrace.pObstruction );
if ( pPropDoor && OnUpcomingPropDoor( pMoveGoal, pPropDoor, distClear, pResult ) )
{
return true;
}
}
return false;
}
bool CAI_BaseNPC::OnObstructionPreSteer( AILocalMoveGoal_t *pMoveGoal,
float distClear,
AIMoveResult_t *pResult )
{
if ( pMoveGoal->directTrace.pObstruction )
{
CBaseDoor *pDoor = dynamic_cast<CBaseDoor *>( pMoveGoal->directTrace.pObstruction );
if ( pDoor && OnObstructingDoor( pMoveGoal, pDoor, distClear, pResult ) )
{
return true;
}
}
return false;
}
bool CAI_BaseNPC::OnObstructingDoor( AILocalMoveGoal_t *pMoveGoal,
CBaseDoor *pDoor,
float distClear,
AIMoveResult_t *pResult )
{
if ( pMoveGoal->maxDist < distClear )
return false;
// By default, NPCs don't know how to open doors
if ( pDoor->m_toggle_state == TS_AT_BOTTOM || pDoor->m_toggle_state == TS_GOING_DOWN )
{
if ( distClear < 0.1 )
{
*pResult = AIMR_BLOCKED_ENTITY;
}
else
{
pMoveGoal->maxDist = distClear;
*pResult = AIMR_OK;
}
return true;
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : pMoveGoal -
// pDoor -
// distClear -
// default -
// spawn -
// oldorg -
// pfPosition -
// neworg -
// Output : Returns true if movement is solved, false otherwise.
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::OnUpcomingPropDoor( AILocalMoveGoal_t *pMoveGoal,
CBasePropDoor *pDoor,
float distClear,
AIMoveResult_t *pResult )
{
if ( (pMoveGoal->flags & AILMG_TARGET_IS_GOAL) && pMoveGoal->maxDist < distClear )
return false;
if ( pMoveGoal->maxDist + GetHullWidth() * .25 < distClear )
return false;
if (pDoor == m_hOpeningDoor)
{
if ( pDoor->IsNPCOpening( this ) )
{
// We're in the process of opening the door, don't be blocked by it.
pMoveGoal->maxDist = distClear;
*pResult = AIMR_OK;
return true;
}
m_hOpeningDoor = NULL;
}
if ((CapabilitiesGet() & bits_CAP_DOORS_GROUP) && !pDoor->IsDoorLocked() && (pDoor->IsDoorClosed() || pDoor->IsDoorClosing()))
{
AI_Waypoint_t *pOpenDoorRoute = NULL;
opendata_t opendata;
pDoor->GetNPCOpenData(this, opendata);
// dvs: FIXME: local route might not be sufficient
pOpenDoorRoute = GetPathfinder()->BuildLocalRoute(
GetLocalOrigin(),
opendata.vecStandPos,
NULL,
bits_WP_TO_DOOR | bits_WP_DONT_SIMPLIFY,
NO_NODE,
bits_BUILD_GROUND | bits_BUILD_IGNORE_NPCS,
0.0);
if ( pOpenDoorRoute )
{
if ( AIIsDebuggingDoors(this) )
{
NDebugOverlay::Cross3D(opendata.vecStandPos + Vector(0,0,1), 32, 255, 255, 255, false, 1.0 );
Msg( "Opening door!\n" );
}
// Attach the door to the waypoint so we open it when we get there.
// dvs: FIXME: this is kind of bullshit, I need to find the exact waypoint to open the door
// should I just walk the path until I find it?
pOpenDoorRoute->m_hData = pDoor;
GetNavigator()->GetPath()->PrependWaypoints( pOpenDoorRoute );
m_hOpeningDoor = pDoor;
pMoveGoal->maxDist = distClear;
*pResult = AIMR_CHANGE_TYPE;
return true;
}
else
AIDoorDebugMsg( this, "Failed create door route!\n" );
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Called by the navigator to initiate the opening of a prop_door
// that is in our way.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OpenPropDoorBegin( CBasePropDoor *pDoor )
{
// dvs: not quite working, disabled for now.
//opendata_t opendata;
//pDoor->GetNPCOpenData(this, opendata);
//
//if (HaveSequenceForActivity(opendata.eActivity))
//{
// SetIdealActivity(opendata.eActivity);
//}
//else
{
// We don't have an appropriate sequence, just open the door magically.
OpenPropDoorNow( pDoor );
}
}
//-----------------------------------------------------------------------------
// Purpose: Called when we are trying to open a prop_door and it's time to start
// the door moving. This is called either in response to an anim event
// or as a fallback when we don't have an appropriate open activity.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OpenPropDoorNow( CBasePropDoor *pDoor )
{
// Start the door moving.
pDoor->NPCOpenDoor(this);
// Wait for the door to finish opening before trying to move through the doorway.
m_flMoveWaitFinished = gpGlobals->curtime + pDoor->GetOpenInterval();
}
//-----------------------------------------------------------------------------
// Purpose: Called when the door we were trying to open becomes fully open.
// Input : pDoor -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OnDoorFullyOpen(CBasePropDoor *pDoor)
{
// We're done with the door.
m_hOpeningDoor = NULL;
}
//-----------------------------------------------------------------------------
// Purpose: Called when the door we were trying to open becomes blocked before opening.
// Input : pDoor -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::OnDoorBlocked(CBasePropDoor *pDoor)
{
// dvs: FIXME: do something so that we don't loop forever trying to open this door
// not clearing out the door handle will cause the NPC to invalidate the connection
// We're done with the door.
//m_hOpeningDoor = NULL;
}
//-----------------------------------------------------------------------------
// Purpose: Template NPCs are marked as templates by the level designer. They
// do not spawn, but their keyvalues are saved for use by a template
// spawner.
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsTemplate( void )
{
return HasSpawnFlags( SF_NPC_TEMPLATE );
}
//-----------------------------------------------------------------------------
//
// Movement code for walking + flying
//
//-----------------------------------------------------------------------------
int CAI_BaseNPC::FlyMove( const Vector& pfPosition, unsigned int mask )
{
Vector oldorg, neworg;
trace_t trace;
// try the move
VectorCopy( GetAbsOrigin(), oldorg );
VectorAdd( oldorg, pfPosition, neworg );
UTIL_TraceEntity( this, oldorg, neworg, mask, &trace );
if (trace.fraction == 1)
{
if ( (GetFlags() & FL_SWIM) && enginetrace->GetPointContents(trace.endpos) == CONTENTS_EMPTY )
return false; // swim monster left water
SetAbsOrigin( trace.endpos );
PhysicsTouchTriggers();
return true;
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : ent -
// Dir - Normalized direction vector for movement.
// dist - Distance along 'Dir' to move.
// iMode -
// Output : Returns nonzero on success, zero on failure.
//-----------------------------------------------------------------------------
int CAI_BaseNPC::WalkMove( const Vector& vecPosition, unsigned int mask )
{
if ( GetFlags() & (FL_FLY | FL_SWIM) )
{
return FlyMove( vecPosition, mask );
}
if ( (GetFlags() & FL_ONGROUND) == 0 )
{
return 0;
}
trace_t trace;
Vector oldorg, neworg, end;
Vector move( vecPosition[0], vecPosition[1], 0.0f );
VectorCopy( GetAbsOrigin(), oldorg );
VectorAdd( oldorg, move, neworg );
// push down from a step height above the wished position
float flStepSize = sv_stepsize.GetFloat();
neworg[2] += flStepSize;
VectorCopy(neworg, end);
end[2] -= flStepSize*2;
UTIL_TraceEntity( this, neworg, end, mask, &trace );
if ( trace.allsolid )
return false;
if (trace.startsolid)
{
neworg[2] -= flStepSize;
UTIL_TraceEntity( this, neworg, end, mask, &trace );
if ( trace.allsolid || trace.startsolid )
return false;
}
if (trace.fraction == 1)
{
// if monster had the ground pulled out, go ahead and fall
if ( GetFlags() & FL_PARTIALGROUND )
{
SetAbsOrigin( oldorg + move );
PhysicsTouchTriggers();
SetGroundEntity( NULL );
return true;
}
return false; // walked off an edge
}
// check point traces down for dangling corners
SetAbsOrigin( trace.endpos );
if (UTIL_CheckBottom( this, NULL, flStepSize ) == 0)
{
if ( GetFlags() & FL_PARTIALGROUND )
{
// entity had floor mostly pulled out from underneath it
// and is trying to correct
PhysicsTouchTriggers();
return true;
}
// Reset to original position
SetAbsOrigin( oldorg );
return false;
}
if ( GetFlags() & FL_PARTIALGROUND )
{
// Con_Printf ("back on ground\n");
RemoveFlag( FL_PARTIALGROUND );
}
// the move is ok
SetGroundEntity( trace.m_pEnt );
PhysicsTouchTriggers();
return true;
}
//-----------------------------------------------------------------------------
static void AIMsgGuts( CAI_BaseNPC *pAI, unsigned flags, const char *pszMsg )
{
int len = strlen( pszMsg );
const char *pszFmt2 = NULL;
if ( len && pszMsg[len-1] == '\n' )
{
(const_cast<char *>(pszMsg))[len-1] = 0;
pszFmt2 = "%s (%s: %d/%s) [%d]\n";
}
else
pszFmt2 = "%s (%s: %d/%s) [%d]";
DevMsg( pszFmt2,
pszMsg,
pAI->GetClassname(),
pAI->entindex(),
( pAI->GetEntityName() == NULL_STRING ) ? "<unnamed>" : STRING(pAI->GetEntityName()),
gpGlobals->tickcount );
}
void DevMsg( CAI_BaseNPC *pAI, unsigned flags, const char *pszFormat, ... )
{
if ( (flags & AIMF_IGNORE_SELECTED) || (pAI->m_debugOverlays & OVERLAY_NPC_SELECTED_BIT) )
{
va_list ap;
va_start(ap, pszFormat);
char szTempMsgBuf[512];
V_vsprintf_safe( szTempMsgBuf, pszFormat, ap );
AIMsgGuts( pAI, flags, szTempMsgBuf );
va_end(ap);
}
}
//-----------------------------------------------------------------------------
void DevMsg( CAI_BaseNPC *pAI, const char *pszFormat, ... )
{
if ( (pAI->m_debugOverlays & OVERLAY_NPC_SELECTED_BIT) )
{
va_list ap;
va_start(ap, pszFormat);
char szTempMsgBuf[512];
V_vsprintf_safe( szTempMsgBuf, pszFormat, ap );
AIMsgGuts( pAI, 0, szTempMsgBuf );
va_end(ap);
}
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsPlayerAlly( CBasePlayer *pPlayer )
{
if ( pPlayer == NULL )
{
// in multiplayer mode we need a valid pPlayer
// or override this virtual function
if ( !AI_IsSinglePlayer() )
return false;
// NULL means single player mode
pPlayer = UTIL_GetLocalPlayer();
}
return ( !pPlayer || IRelationType( pPlayer ) == D_LI );
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::SetCommandGoal( const Vector &vecGoal )
{
m_vecCommandGoal = vecGoal;
m_CommandMoveMonitor.ClearMark();
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ClearCommandGoal()
{
m_vecCommandGoal = vec3_invalid;
m_CommandMoveMonitor.ClearMark();
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsInPlayerSquad() const
{
return ( m_pSquad && MAKE_STRING(m_pSquad->GetName()) == GetPlayerSquadName() && !CAI_Squad::IsSilentMember(this) );
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::CanBeUsedAsAFriend( void )
{
if ( IsCurSchedule(SCHED_FORCED_GO) || IsCurSchedule(SCHED_FORCED_GO_RUN) )
return false;
return true;
}
//-----------------------------------------------------------------------------
Vector CAI_BaseNPC::GetSmoothedVelocity( void )
{
if( GetNavType() == NAV_GROUND || GetNavType() == NAV_FLY )
{
return m_pMotor->GetCurVel();
}
return BaseClass::GetSmoothedVelocity();
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsCoverPosition( const Vector &vecThreat, const Vector &vecPosition )
{
trace_t tr;
// By default, we ignore the viewer (me) when determining cover positions
CTraceFilterLOS filter( NULL, COLLISION_GROUP_NONE, this );
// If I'm trying to find cover from the player, and the player is in a vehicle,
// ignore the vehicle for the purpose of determining line of sight.
CBaseEntity *pEnemy = GetEnemy();
if ( pEnemy )
{
// Hack to see if our threat position is our enemy
bool bThreatPosIsEnemy = ( (vecThreat - GetEnemy()->EyePosition()).LengthSqr() < 0.1f );
if ( bThreatPosIsEnemy )
{
CBaseCombatCharacter *pCCEnemy = GetEnemy()->MyCombatCharacterPointer();
if ( pCCEnemy != NULL && pCCEnemy->IsInAVehicle() )
{
// Ignore the vehicle
filter.SetPassEntity( pCCEnemy->GetVehicleEntity() );
}
if ( !filter.GetPassEntity() )
{
filter.SetPassEntity( pEnemy );
}
}
}
AI_TraceLOS( vecThreat, vecPosition, this, &tr, &filter );
if( tr.fraction != 1.0 && hl2_episodic.GetBool() )
{
if( tr.m_pEnt->m_iClassname == m_iClassname )
{
// Don't hide behind buddies!
return false;
}
}
return (tr.fraction != 1.0);
}
//-----------------------------------------------------------------------------
float CAI_BaseNPC::SetWait( float minWait, float maxWait )
{
int minThinks = Ceil2Int( minWait * 10 );
if ( maxWait == 0.0 )
{
m_flWaitFinished = gpGlobals->curtime + ( 0.1 * minThinks );
}
else
{
if ( minThinks == 0 ) // random 0..n is almost certain to not return 0
minThinks = 1;
int maxThinks = Ceil2Int( maxWait * 10 );
m_flWaitFinished = gpGlobals->curtime + ( 0.1 * random->RandomInt( minThinks, maxThinks ) );
}
return m_flWaitFinished;
}
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ClearWait()
{
m_flWaitFinished = FLT_MAX;
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsWaitFinished()
{
return ( gpGlobals->curtime >= m_flWaitFinished );
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsWaitSet()
{
return ( m_flWaitFinished != FLT_MAX );
}
void CAI_BaseNPC::TestPlayerPushing( CBaseEntity *pEntity )
{
if ( HasSpawnFlags( SF_NPC_NO_PLAYER_PUSHAWAY ) )
return;
// Heuristic for determining if the player is pushing me away
CBasePlayer *pPlayer = ToBasePlayer( pEntity );
if ( pPlayer && !( pPlayer->GetFlags() & FL_NOTARGET ) )
{
if ( (pPlayer->m_nButtons & (IN_FORWARD|IN_BACK|IN_MOVELEFT|IN_MOVERIGHT)) ||
pPlayer->GetAbsVelocity().AsVector2D().LengthSqr() > 50*50 )
{
SetCondition( COND_PLAYER_PUSHING );
Vector vecPush = GetAbsOrigin() - pPlayer->GetAbsOrigin();
VectorNormalize( vecPush );
CascadePlayerPush( vecPush, pPlayer->WorldSpaceCenter() );
}
}
}
void CAI_BaseNPC::CascadePlayerPush( const Vector &push, const Vector &pushOrigin )
{
//
// Try to push any friends that are in the way.
//
float hullWidth = GetHullWidth();
const Vector & origin = GetAbsOrigin();
const Vector2D &origin2D = origin.AsVector2D();
const float MIN_Z_TO_TRANSMIT = GetHullHeight() * 0.5 + 0.1;
const float DIST_REQD_TO_TRANSMIT_PUSH_SQ = Square( hullWidth * 5 + 0.1 );
const float DIST_FROM_PUSH_VECTOR_REQD_SQ = Square( hullWidth + 0.1 );
Vector2D pushTestPoint = vec2_invalid;
for ( int i = 0; i < g_AI_Manager.NumAIs(); i++ )
{
CAI_BaseNPC *pOther = g_AI_Manager.AccessAIs()[i];
if ( pOther != this && pOther->IRelationType(this) == D_LI && !pOther->HasCondition( COND_PLAYER_PUSHING ) )
{
const Vector &friendOrigin = pOther->GetAbsOrigin();
if ( fabsf( friendOrigin.z - origin.z ) < MIN_Z_TO_TRANSMIT &&
( friendOrigin.AsVector2D() - origin.AsVector2D() ).LengthSqr() < DIST_REQD_TO_TRANSMIT_PUSH_SQ )
{
if ( pushTestPoint == vec2_invalid )
{
pushTestPoint = origin2D - pushOrigin.AsVector2D();
// No normalize, since it wants to just be a big number and we can't be less that a hull away
pushTestPoint *= 2000;
pushTestPoint += origin2D;
}
float t;
float distSq = CalcDistanceSqrToLine2D( friendOrigin.AsVector2D(), origin2D, pushTestPoint, &t );
if ( t > 0 && distSq < DIST_FROM_PUSH_VECTOR_REQD_SQ )
{
pOther->SetCondition( COND_PLAYER_PUSHING );
}
}
}
}
}
//-----------------------------------------------------------------------------
// Break into pieces!
//-----------------------------------------------------------------------------
void CAI_BaseNPC::Break( CBaseEntity *pBreaker )
{
m_takedamage = DAMAGE_NO;
Vector velocity;
AngularImpulse angVelocity;
IPhysicsObject *pPhysics = VPhysicsGetObject();
Vector origin;
QAngle angles;
AddSolidFlags( FSOLID_NOT_SOLID );
if ( pPhysics )
{
pPhysics->GetVelocity( &velocity, &angVelocity );
pPhysics->GetPosition( &origin, &angles );
pPhysics->RecheckCollisionFilter();
}
else
{
velocity = GetAbsVelocity();
QAngleToAngularImpulse( GetLocalAngularVelocity(), angVelocity );
origin = GetAbsOrigin();
angles = GetAbsAngles();
}
breakablepropparams_t params( GetAbsOrigin(), GetAbsAngles(), velocity, angVelocity );
params.impactEnergyScale = m_impactEnergyScale;
params.defCollisionGroup = GetCollisionGroup();
if ( params.defCollisionGroup == COLLISION_GROUP_NONE )
{
// don't automatically make anything COLLISION_GROUP_NONE or it will
// collide with debris being ejected by breaking
params.defCollisionGroup = COLLISION_GROUP_INTERACTIVE;
}
// no damage/damage force? set a burst of 100 for some movement
params.defBurstScale = 100;//pDamageInfo ? 0 : 100;
PropBreakableCreateAll( GetModelIndex(), pPhysics, params, this, -1, false );
UTIL_Remove(this);
}
//-----------------------------------------------------------------------------
// Purpose: Input handler for breaking the breakable immediately.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputBreak( inputdata_t &inputdata )
{
Break( inputdata.pActivator );
}
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::FindNearestValidGoalPos( const Vector &vTestPoint, Vector *pResult )
{
AIMoveTrace_t moveTrace;
Vector vCandidate = vec3_invalid;
if ( GetNavigator()->CanFitAtPosition( vTestPoint, MASK_SOLID_BRUSHONLY ) )
{
if ( GetMoveProbe()->CheckStandPosition( vTestPoint, MASK_SOLID_BRUSHONLY ) )
{
vCandidate = vTestPoint;
}
}
if ( vCandidate == vec3_invalid )
{
int iNearestNode = GetPathfinder()->NearestNodeToPoint( vTestPoint );
if ( iNearestNode != NO_NODE )
{
GetMoveProbe()->MoveLimit( NAV_GROUND,
g_pBigAINet->GetNodePosition(GetHullType(), iNearestNode ),
vTestPoint,
MASK_SOLID_BRUSHONLY,
NULL,
0,
&moveTrace );
if ( ( moveTrace.vEndPosition - vTestPoint ).Length2DSqr() < Square( GetHullWidth() * 3.0 ) &&
GetMoveProbe()->CheckStandPosition( moveTrace.vEndPosition, MASK_SOLID_BRUSHONLY ) )
{
vCandidate = moveTrace.vEndPosition;
}
}
}
if ( vCandidate != vec3_invalid )
{
AI_Waypoint_t *pPathToPoint = GetPathfinder()->BuildRoute( GetAbsOrigin(), vCandidate, AI_GetSinglePlayer(), 5*12, NAV_NONE, true );
if ( pPathToPoint )
{
GetPathfinder()->UnlockRouteNodes( pPathToPoint );
CAI_Path tempPath;
tempPath.SetWaypoints( pPathToPoint ); // path object will delete waypoints
}
else
vCandidate = vec3_invalid;
}
if ( vCandidate == vec3_invalid )
{
GetMoveProbe()->MoveLimit( NAV_GROUND,
GetAbsOrigin(),
vTestPoint,
MASK_SOLID_BRUSHONLY,
NULL,
0,
&moveTrace );
vCandidate = moveTrace.vEndPosition;
}
if ( vCandidate == vec3_invalid )
return false;
if ( pResult != NULL )
{
*pResult = vCandidate;
}
return true;
}
//---------------------------------------------------------
// Pass a direction to get how far an NPC would see if facing
// that direction. Pass nothing to get the length of the NPC's
// current line of sight.
//---------------------------------------------------------
float CAI_BaseNPC::LineOfSightDist( const Vector &vecDir, float zEye )
{
Vector testDir;
if( vecDir == vec3_invalid )
{
testDir = EyeDirection3D();
}
else
{
testDir = vecDir;
}
if ( zEye == FLT_MAX )
zEye = EyePosition().z;
trace_t tr;
// Need to center trace so don't get erratic results based on orientation
Vector testPos( GetAbsOrigin().x, GetAbsOrigin().y, zEye );
AI_TraceLOS( testPos, testPos + testDir * MAX_COORD_RANGE, this, &tr );
return (tr.startpos - tr.endpos ).Length();
}
ConVar ai_LOS_mode( "ai_LOS_mode", "0", FCVAR_REPLICATED );
//-----------------------------------------------------------------------------
// Purpose: Use this to perform AI tracelines that are trying to determine LOS between points.
// LOS checks between entities should use FVisible.
//-----------------------------------------------------------------------------
void AI_TraceLOS( const Vector& vecAbsStart, const Vector& vecAbsEnd, CBaseEntity *pLooker, trace_t *ptr, ITraceFilter *pFilter )
{
AI_PROFILE_SCOPE( AI_TraceLOS );
if ( ai_LOS_mode.GetBool() )
{
// Don't use LOS tracefilter
UTIL_TraceLine( vecAbsStart, vecAbsEnd, MASK_BLOCKLOS, pLooker, COLLISION_GROUP_NONE, ptr );
return;
}
// Use the custom LOS trace filter
CTraceFilterLOS traceFilter( pLooker, COLLISION_GROUP_NONE );
if ( !pFilter )
pFilter = &traceFilter;
AI_TraceLine( vecAbsStart, vecAbsEnd, MASK_BLOCKLOS_AND_NPCS, pFilter, ptr );
}
void CAI_BaseNPC::InputSetSpeedModifierRadius( inputdata_t &inputdata )
{
m_iSpeedModRadius = inputdata.value.Int();
m_iSpeedModRadius *= m_iSpeedModRadius;
}
void CAI_BaseNPC::InputSetSpeedModifierSpeed( inputdata_t &inputdata )
{
m_iSpeedModSpeed = inputdata.value.Int();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsAllowedToDodge( void )
{
// Can't do it if I'm not available
if ( m_NPCState != NPC_STATE_IDLE && m_NPCState != NPC_STATE_ALERT && m_NPCState != NPC_STATE_COMBAT )
return false;
return ( m_flNextDodgeTime <= gpGlobals->curtime );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ParseScriptedNPCInteractions( void )
{
// Already parsed them?
if ( m_ScriptedInteractions.Count() )
return;
// Parse the model's key values and find any dynamic interactions
KeyValues *modelKeyValues = new KeyValues("");
CUtlBuffer buf( 1024, 0, CUtlBuffer::TEXT_BUFFER );
if (! modelinfo->GetModelKeyValue( GetModel(), buf ))
return;
if ( modelKeyValues->LoadFromBuffer( modelinfo->GetModelName( GetModel() ), buf ) )
{
// Do we have a dynamic interactions section?
KeyValues *pkvInteractions = modelKeyValues->FindKey("dynamic_interactions");
if ( pkvInteractions )
{
KeyValues *pkvNode = pkvInteractions->GetFirstSubKey();
while ( pkvNode )
{
ScriptedNPCInteraction_t sInteraction;
sInteraction.iszInteractionName = AllocPooledString( pkvNode->GetName() );
// Trigger method
const char *pszTrigger = pkvNode->GetString( "trigger", NULL );
if ( pszTrigger )
{
if ( !Q_strncmp( pszTrigger, "auto_in_combat", 14) )
{
sInteraction.iTriggerMethod = SNPCINT_AUTOMATIC_IN_COMBAT;
}
}
// Loop Break trigger method
pszTrigger = pkvNode->GetString( "loop_break_trigger", NULL );
if ( pszTrigger )
{
char szTrigger[256];
Q_strncpy( szTrigger, pszTrigger, sizeof(szTrigger) );
char *pszParam = strtok( szTrigger, " " );
while (pszParam)
{
if ( !Q_strncmp( pszParam, "on_damage", 9) )
{
sInteraction.iLoopBreakTriggerMethod |= SNPCINT_LOOPBREAK_ON_DAMAGE;
}
if ( !Q_strncmp( pszParam, "on_flashlight_illum", 19) )
{
sInteraction.iLoopBreakTriggerMethod |= SNPCINT_LOOPBREAK_ON_FLASHLIGHT_ILLUM;
}
pszParam = strtok(NULL," ");
}
}
// Origin
const char *pszOrigin = pkvNode->GetString( "origin_relative", "0 0 0" );
UTIL_StringToVector( sInteraction.vecRelativeOrigin.Base(), pszOrigin );
// Angles
const char *pszAngles = pkvNode->GetString( "angles_relative", NULL );
if ( pszAngles )
{
sInteraction.iFlags |= SCNPC_FLAG_TEST_OTHER_ANGLES;
UTIL_StringToVector( sInteraction.angRelativeAngles.Base(), pszAngles );
}
// Velocity
const char *pszVelocity = pkvNode->GetString( "velocity_relative", NULL );
if ( pszVelocity )
{
sInteraction.iFlags |= SCNPC_FLAG_TEST_OTHER_VELOCITY;
UTIL_StringToVector( sInteraction.vecRelativeVelocity.Base(), pszVelocity );
}
// Entry Sequence
const char *pszSequence = pkvNode->GetString( "entry_sequence", NULL );
if ( pszSequence )
{
sInteraction.sPhases[SNPCINT_ENTRY].iszSequence = AllocPooledString( pszSequence );
}
// Entry Activity
const char *pszActivity = pkvNode->GetString( "entry_activity", NULL );
if ( pszActivity )
{
sInteraction.sPhases[SNPCINT_ENTRY].iActivity = GetActivityID( pszActivity );
}
// Sequence
pszSequence = pkvNode->GetString( "sequence", NULL );
if ( pszSequence )
{
sInteraction.sPhases[SNPCINT_SEQUENCE].iszSequence = AllocPooledString( pszSequence );
}
// Activity
pszActivity = pkvNode->GetString( "activity", NULL );
if ( pszActivity )
{
sInteraction.sPhases[SNPCINT_SEQUENCE].iActivity = GetActivityID( pszActivity );
}
// Exit Sequence
pszSequence = pkvNode->GetString( "exit_sequence", NULL );
if ( pszSequence )
{
sInteraction.sPhases[SNPCINT_EXIT].iszSequence = AllocPooledString( pszSequence );
}
// Exit Activity
pszActivity = pkvNode->GetString( "exit_activity", NULL );
if ( pszActivity )
{
sInteraction.sPhases[SNPCINT_EXIT].iActivity = GetActivityID( pszActivity );
}
// Delay
sInteraction.flDelay = pkvNode->GetFloat( "delay", 10.0 );
// Delta
sInteraction.flDistSqr = pkvNode->GetFloat( "origin_max_delta", (DSS_MAX_DIST * DSS_MAX_DIST) );
// Loop?
if ( pkvNode->GetFloat( "loop_in_action", 0 ) )
{
sInteraction.iFlags |= SCNPC_FLAG_LOOP_IN_ACTION;
}
// Fixup position?
const char *pszDontFixup = pkvNode->GetString( "dont_teleport_at_end", NULL );
if ( pszDontFixup )
{
if ( !Q_stricmp( pszDontFixup, "me" ) || !Q_stricmp( pszDontFixup, "both" ) )
{
sInteraction.iFlags |= SCNPC_FLAG_DONT_TELEPORT_AT_END_ME;
}
else if ( !Q_stricmp( pszDontFixup, "them" ) || !Q_stricmp( pszDontFixup, "both" ) )
{
sInteraction.iFlags |= SCNPC_FLAG_DONT_TELEPORT_AT_END_THEM;
}
}
// Needs a weapon?
const char *pszNeedsWeapon = pkvNode->GetString( "needs_weapon", NULL );
if ( pszNeedsWeapon )
{
if ( !Q_strncmp( pszNeedsWeapon, "ME", 2 ) )
{
sInteraction.iFlags |= SCNPC_FLAG_NEEDS_WEAPON_ME;
}
else if ( !Q_strncmp( pszNeedsWeapon, "THEM", 4 ) )
{
sInteraction.iFlags |= SCNPC_FLAG_NEEDS_WEAPON_THEM;
}
else if ( !Q_strncmp( pszNeedsWeapon, "BOTH", 4 ) )
{
sInteraction.iFlags |= SCNPC_FLAG_NEEDS_WEAPON_ME;
sInteraction.iFlags |= SCNPC_FLAG_NEEDS_WEAPON_THEM;
}
}
// Specific weapon types
const char *pszWeaponName = pkvNode->GetString( "weapon_mine", NULL );
if ( pszWeaponName )
{
sInteraction.iFlags |= SCNPC_FLAG_NEEDS_WEAPON_ME;
sInteraction.iszMyWeapon = AllocPooledString( pszWeaponName );
}
pszWeaponName = pkvNode->GetString( "weapon_theirs", NULL );
if ( pszWeaponName )
{
sInteraction.iFlags |= SCNPC_FLAG_NEEDS_WEAPON_THEM;
sInteraction.iszTheirWeapon = AllocPooledString( pszWeaponName );
}
// Add it to the list
AddScriptedNPCInteraction( &sInteraction );
// Move to next interaction
pkvNode = pkvNode->GetNextKey();
}
}
}
modelKeyValues->deleteThis();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::AddScriptedNPCInteraction( ScriptedNPCInteraction_t *pInteraction )
{
int nNewIndex = m_ScriptedInteractions.AddToTail();
if ( ai_debug_dyninteractions.GetBool() )
{
Msg("%s(%s): Added dynamic interaction: %s\n", GetClassname(), GetDebugName(), STRING(pInteraction->iszInteractionName) );
}
// Copy the interaction over
ScriptedNPCInteraction_t *pNewInt = &(m_ScriptedInteractions[nNewIndex]);
memcpy( pNewInt, pInteraction, sizeof(ScriptedNPCInteraction_t) );
// Calculate the local to world matrix
m_ScriptedInteractions[nNewIndex].matDesiredLocalToWorld.SetupMatrixOrgAngles( pInteraction->vecRelativeOrigin, pInteraction->angRelativeAngles );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
const char *CAI_BaseNPC::GetScriptedNPCInteractionSequence( ScriptedNPCInteraction_t *pInteraction, int iPhase )
{
if ( pInteraction->sPhases[iPhase].iActivity != ACT_INVALID )
{
int iSequence = SelectWeightedSequence( (Activity)pInteraction->sPhases[iPhase].iActivity );
return GetSequenceName( iSequence );
}
if ( pInteraction->sPhases[iPhase].iszSequence != NULL_STRING )
return STRING(pInteraction->sPhases[iPhase].iszSequence);
return NULL;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::StartRunningInteraction( CAI_BaseNPC *pOtherNPC, bool bActive )
{
m_hInteractionPartner = pOtherNPC;
if ( bActive )
{
m_iInteractionState = NPCINT_RUNNING_ACTIVE;
}
else
{
m_iInteractionState = NPCINT_RUNNING_PARTNER;
}
m_bCannotDieDuringInteraction = true;
// Force the NPC into an idle schedule so they don't move.
// NOTE: We must set SCHED_IDLE_STAND directly, to prevent derived NPC
// classes from translating the idle stand schedule away to do something bad.
SetSchedule( GetSchedule(SCHED_IDLE_STAND) );
// Prepare the NPC for the script. Setting this allows the scripted sequences
// that we're about to create to immediately grab & use this NPC right away.
// This prevents the NPC from being able to make any schedule decisions
// before the DSS gets underway.
m_scriptState = SCRIPT_PLAYING;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::StartScriptedNPCInteraction( CAI_BaseNPC *pOtherNPC, ScriptedNPCInteraction_t *pInteraction, Vector vecOtherOrigin, QAngle angOtherAngles )
{
variant_t emptyVariant;
StartRunningInteraction( pOtherNPC, true );
if ( pOtherNPC )
{
pOtherNPC->StartRunningInteraction( this, false );
//Msg("%s(%s) disabled collisions with %s(%s) at %0.2f\n", GetClassname(), GetDebugName(), pOtherNPC->GetClassName(), pOtherNPC->GetDebugName(), gpGlobals->curtime );
PhysDisableEntityCollisions( this, pOtherNPC );
}
// Determine which sequences we're going to use
const char *pszEntrySequence = GetScriptedNPCInteractionSequence( pInteraction, SNPCINT_ENTRY );
const char *pszSequence = GetScriptedNPCInteractionSequence( pInteraction, SNPCINT_SEQUENCE );
const char *pszExitSequence = GetScriptedNPCInteractionSequence( pInteraction, SNPCINT_EXIT );
// Debug
if ( ai_debug_dyninteractions.GetBool() )
{
if ( pOtherNPC )
{
Msg("%s(%s) starting dynamic interaction \"%s\" with %s(%s).\n", GetClassname(), GetDebugName(), STRING(pInteraction->iszInteractionName), pOtherNPC->GetClassname(), pOtherNPC->GetDebugName() );
if ( pszEntrySequence )
{
Msg( " - Entry sequence: %s\n", pszEntrySequence );
}
Msg( " - Core sequence: %s\n", pszSequence );
if ( pszExitSequence )
{
Msg( " - Exit sequence: %s\n", pszExitSequence );
}
}
}
// Create a scripted sequence name that's guaranteed to be unique
char szSSName[256];
if ( pOtherNPC )
{
Q_snprintf( szSSName, sizeof(szSSName), "dss_%s%d%s%d", GetDebugName(), entindex(), pOtherNPC->GetDebugName(), pOtherNPC->entindex() );
}
else
{
Q_snprintf( szSSName, sizeof(szSSName), "dss_%s%d", GetDebugName(), entindex() );
}
string_t iszSSName = AllocPooledString(szSSName);
// Setup next attempt
pInteraction->flNextAttemptTime = gpGlobals->curtime + pInteraction->flDelay + RandomFloat(-2,2);
// Spawn a scripted sequence for this NPC to play the interaction anim
CAI_ScriptedSequence *pMySequence = (CAI_ScriptedSequence*)CreateEntityByName( "scripted_sequence" );
pMySequence->KeyValue( "m_iszEntry", pszEntrySequence );
pMySequence->KeyValue( "m_iszPlay", pszSequence );
pMySequence->KeyValue( "m_iszPostIdle", pszExitSequence );
pMySequence->KeyValue( "m_fMoveTo", "5" );
pMySequence->SetAbsOrigin( GetAbsOrigin() );
QAngle angDesired = GetAbsAngles();
angDesired[YAW] = m_flInteractionYaw;
pMySequence->SetAbsAngles( angDesired );
pMySequence->ForceSetTargetEntity( this, true );
pMySequence->SetName( iszSSName );
pMySequence->AddSpawnFlags( SF_SCRIPT_NOINTERRUPT | SF_SCRIPT_HIGH_PRIORITY | SF_SCRIPT_OVERRIDESTATE );
if ((pInteraction->iFlags & SCNPC_FLAG_DONT_TELEPORT_AT_END_ME) != 0)
{
pMySequence->AddSpawnFlags( SF_SCRIPT_DONT_TELEPORT_AT_END );
}
pMySequence->SetLoopActionSequence( (pInteraction->iFlags & SCNPC_FLAG_LOOP_IN_ACTION) != 0 );
pMySequence->SetSynchPostIdles( true );
if ( ai_debug_dyninteractions.GetBool() )
{
pMySequence->m_debugOverlays |= OVERLAY_TEXT_BIT | OVERLAY_PIVOT_BIT;
}
// Spawn the matching scripted sequence for the other NPC
CAI_ScriptedSequence *pTheirSequence = NULL;
if ( pOtherNPC )
{
pTheirSequence = (CAI_ScriptedSequence*)CreateEntityByName( "scripted_sequence" );
pTheirSequence->KeyValue( "m_iszEntry", pszEntrySequence );
pTheirSequence->KeyValue( "m_iszPlay", pszSequence );
pTheirSequence->KeyValue( "m_iszPostIdle", pszExitSequence );
pTheirSequence->KeyValue( "m_fMoveTo", "5" );
pTheirSequence->SetAbsOrigin( vecOtherOrigin );
pTheirSequence->SetAbsAngles( angOtherAngles );
pTheirSequence->ForceSetTargetEntity( pOtherNPC, true );
pTheirSequence->SetName( iszSSName );
pTheirSequence->AddSpawnFlags( SF_SCRIPT_NOINTERRUPT | SF_SCRIPT_HIGH_PRIORITY | SF_SCRIPT_OVERRIDESTATE );
if ((pInteraction->iFlags & SCNPC_FLAG_DONT_TELEPORT_AT_END_THEM) != 0)
{
pTheirSequence->AddSpawnFlags( SF_SCRIPT_DONT_TELEPORT_AT_END );
}
pTheirSequence->SetLoopActionSequence( (pInteraction->iFlags & SCNPC_FLAG_LOOP_IN_ACTION) != 0 );
pTheirSequence->SetSynchPostIdles( true );
if ( ai_debug_dyninteractions.GetBool() )
{
pTheirSequence->m_debugOverlays |= OVERLAY_TEXT_BIT | OVERLAY_PIVOT_BIT;
}
// Tell their sequence to keep their position relative to me
pTheirSequence->SetupInteractionPosition( this, pInteraction->matDesiredLocalToWorld );
}
// Spawn both sequences at once
pMySequence->Spawn();
if ( pTheirSequence )
{
pTheirSequence->Spawn();
}
// Call activate on both sequences at once
pMySequence->Activate();
if ( pTheirSequence )
{
pTheirSequence->Activate();
}
// Setup the outputs for both sequences. The first kills them both when it finishes
pMySequence->KeyValue( "OnCancelFailedSequence", UTIL_VarArgs("%s,Kill,,0,-1", szSSName ) );
if ( pszExitSequence )
{
pMySequence->KeyValue( "OnPostIdleEndSequence", UTIL_VarArgs("%s,Kill,,0,-1", szSSName ) );
if ( pTheirSequence )
{
pTheirSequence->KeyValue( "OnPostIdleEndSequence", UTIL_VarArgs("%s,Kill,,0,-1", szSSName ) );
}
}
else
{
pMySequence->KeyValue( "OnEndSequence", UTIL_VarArgs("%s,Kill,,0,-1", szSSName ) );
if ( pTheirSequence )
{
pTheirSequence->KeyValue( "OnEndSequence", UTIL_VarArgs("%s,Kill,,0,-1", szSSName ) );
}
}
if ( pTheirSequence )
{
pTheirSequence->KeyValue( "OnCancelFailedSequence", UTIL_VarArgs("%s,Kill,,0,-1", szSSName ) );
}
// Tell both sequences to start
pMySequence->AcceptInput( "BeginSequence", this, this, emptyVariant, 0 );
if ( pTheirSequence )
{
pTheirSequence->AcceptInput( "BeginSequence", this, this, emptyVariant, 0 );
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::CanRunAScriptedNPCInteraction( bool bForced )
{
if ( m_NPCState != NPC_STATE_IDLE && m_NPCState != NPC_STATE_ALERT && m_NPCState != NPC_STATE_COMBAT )
return false;
if ( !IsAlive() )
return false;
if ( IsOnFire() )
return false;
if ( IsCrouching() )
return false;
// Not while running scripted sequences
if ( m_hCine )
return false;
if ( bForced )
{
if ( !m_hForcedInteractionPartner )
return false;
}
else
{
if ( m_hForcedInteractionPartner || m_hInteractionPartner )
return false;
if ( IsInAScript() || !HasCondition(COND_IN_PVS) )
return false;
if ( HasCondition(COND_HEAR_DANGER) || HasCondition(COND_HEAR_MOVE_AWAY) )
return false;
// Default AI prevents interactions while melee attacking, but not ranged attacking
if ( IsCurSchedule( SCHED_MELEE_ATTACK1 ) || IsCurSchedule( SCHED_MELEE_ATTACK2 ) )
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CheckForScriptedNPCInteractions( void )
{
// Are we being forced to interact with another NPC? If so, do that
if ( m_hForcedInteractionPartner )
{
CheckForcedNPCInteractions();
return;
}
// Otherwise, see if we can interaction with our enemy
if ( !m_ScriptedInteractions.Count() || !GetEnemy() )
return;
CAI_BaseNPC *pNPC = GetEnemy()->MyNPCPointer();
if( !pNPC )
return;
// Recalculate interaction capability whenever we switch enemies
if ( m_hLastInteractionTestTarget != GetEnemy() )
{
m_hLastInteractionTestTarget = GetEnemy();
CalculateValidEnemyInteractions();
}
// First, make sure I'm in a state where I can do this
if ( !CanRunAScriptedNPCInteraction() )
return;
if ( pNPC && !pNPC->CanRunAScriptedNPCInteraction() )
return;
for ( int i = 0; i < m_ScriptedInteractions.Count(); i++ )
{
ScriptedNPCInteraction_t *pInteraction = &m_ScriptedInteractions[i];
if ( !pInteraction->bValidOnCurrentEnemy )
continue;
if ( pInteraction->flNextAttemptTime > gpGlobals->curtime )
continue;
Vector vecOrigin;
QAngle angAngles;
if ( InteractionCouldStart( pNPC, pInteraction, vecOrigin, angAngles ) )
{
m_iInteractionPlaying = i;
StartScriptedNPCInteraction( pNPC, pInteraction, vecOrigin, angAngles );
break;
}
}
}
//-----------------------------------------------------------------------------
// Purpose: Calculate all the valid dynamic interactions we can perform with our current enemy
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CalculateValidEnemyInteractions( void )
{
CAI_BaseNPC *pNPC = GetEnemy()->MyNPCPointer();
if ( !pNPC )
return;
bool bDebug = (m_debugOverlays & OVERLAY_NPC_SELECTED_BIT && ai_debug_dyninteractions.GetBool());
if ( bDebug )
{
Msg("%s(%s): Computing valid interactions with %s(%s)\n", GetClassname(), GetDebugName(), pNPC->GetClassname(), pNPC->GetDebugName() );
}
bool bFound = false;
for ( int i = 0; i < m_ScriptedInteractions.Count(); i++ )
{
ScriptedNPCInteraction_t *pInteraction = &m_ScriptedInteractions[i];
pInteraction->bValidOnCurrentEnemy = false;
// If the trigger method of the interaction isn't the one we're after, we're done
if ( pInteraction->iTriggerMethod != SNPCINT_AUTOMATIC_IN_COMBAT )
continue;
if ( !pNPC->GetModelPtr() )
continue;
// If we have a damage filter that prevents us hurting the enemy,
// don't interact with him, since most interactions kill the enemy.
// Create a fake damage info to test it with.
CTakeDamageInfo tempinfo( this, this, vec3_origin, vec3_origin, 1.0, DMG_BULLET );
if ( !pNPC->PassesDamageFilter( tempinfo ) )
continue;
// Check the weapon requirements for the interaction
if ( pInteraction->iFlags & SCNPC_FLAG_NEEDS_WEAPON_ME )
{
if ( !GetActiveWeapon())
continue;
// Check the specific weapon type
if ( pInteraction->iszMyWeapon != NULL_STRING && GetActiveWeapon()->m_iClassname != pInteraction->iszMyWeapon )
continue;
}
if ( pInteraction->iFlags & SCNPC_FLAG_NEEDS_WEAPON_THEM )
{
if ( !pNPC->GetActiveWeapon() )
continue;
// Check the specific weapon type
if ( pInteraction->iszTheirWeapon != NULL_STRING && pNPC->GetActiveWeapon()->m_iClassname != pInteraction->iszTheirWeapon )
continue;
}
// Script needs the other NPC, so make sure they're not dead
if ( !pNPC->IsAlive() )
continue;
// Use sequence? or activity?
if ( pInteraction->sPhases[SNPCINT_SEQUENCE].iActivity != ACT_INVALID )
{
// Resolve the activity to a sequence, and make sure our enemy has it
const char *pszSequence = GetScriptedNPCInteractionSequence( pInteraction, SNPCINT_SEQUENCE );
if ( !pszSequence )
continue;
if ( pNPC->LookupSequence( pszSequence ) == -1 )
continue;
}
else
{
if ( pNPC->LookupSequence( STRING(pInteraction->sPhases[SNPCINT_SEQUENCE].iszSequence) ) == -1 )
continue;
}
pInteraction->bValidOnCurrentEnemy = true;
bFound = true;
if ( bDebug )
{
Msg(" Found: %s\n", STRING(pInteraction->iszInteractionName) );
}
}
if ( bDebug && !bFound )
{
Msg(" No valid interactions found.\n");
}
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CheckForcedNPCInteractions( void )
{
// If we don't have an interaction, we're waiting for our partner to start it. Do nothing.
if ( m_iInteractionPlaying == NPCINT_NONE )
return;
CAI_BaseNPC *pNPC = m_hForcedInteractionPartner->MyNPCPointer();
bool bAbort = false;
// First, make sure both NPCs are able to do this
if ( !CanRunAScriptedNPCInteraction( true ) || !pNPC->CanRunAScriptedNPCInteraction( true ) )
{
// If we were still moving to our target, abort.
if ( m_iInteractionState == NPCINT_MOVING_TO_MARK )
{
bAbort = true;
}
else
{
return;
}
}
// Check to see if we can start our interaction. If we can, dance.
Vector vecOrigin;
QAngle angAngles;
ScriptedNPCInteraction_t *pInteraction = &m_ScriptedInteractions[m_iInteractionPlaying];
if ( !bAbort )
{
if ( !InteractionCouldStart( pNPC, pInteraction, vecOrigin, angAngles ) )
{
if ( ( gpGlobals->curtime > m_flForcedInteractionTimeout ) && ( m_iInteractionState == NPCINT_MOVING_TO_MARK ) )
{
bAbort = true;
}
else
{
return;
}
}
}
if ( bAbort )
{
if ( m_hForcedInteractionPartner )
{
// We've aborted a forced interaction. Let the mapmaker know.
m_OnForcedInteractionAborted.FireOutput( this, this );
}
CleanupForcedInteraction();
pNPC->CleanupForcedInteraction();
return;
}
StartScriptedNPCInteraction( pNPC, pInteraction, vecOrigin, angAngles );
m_OnForcedInteractionStarted.FireOutput( this, this );
}
//-----------------------------------------------------------------------------
// Returns whether two NPCs can fit at each other's origin.
// Kinda like that movie with Eddie Murphy and Dan Akroyd.
//-----------------------------------------------------------------------------
bool CanNPCsTradePlaces( CAI_BaseNPC *pNPC1, CAI_BaseNPC *pNPC2, bool bDebug )
{
bool bTest1At2 = true;
bool bTest2At1 = true;
if ( ( pNPC1->GetHullMins().x <= pNPC2->GetHullMins().x ) &&
( pNPC1->GetHullMins().y <= pNPC2->GetHullMins().y ) &&
( pNPC1->GetHullMins().z <= pNPC2->GetHullMins().z ) &&
( pNPC1->GetHullMaxs().x >= pNPC2->GetHullMaxs().x ) &&
( pNPC1->GetHullMaxs().y >= pNPC2->GetHullMaxs().y ) &&
( pNPC1->GetHullMaxs().z >= pNPC2->GetHullMaxs().z ) )
{
// 1 bigger than 2 in all axes, skip 2 in 1 test
bTest2At1 = false;
}
else if ( ( pNPC2->GetHullMins().x <= pNPC1->GetHullMins().x ) &&
( pNPC2->GetHullMins().y <= pNPC1->GetHullMins().y ) &&
( pNPC2->GetHullMins().z <= pNPC1->GetHullMins().z ) &&
( pNPC2->GetHullMaxs().x >= pNPC1->GetHullMaxs().x ) &&
( pNPC2->GetHullMaxs().y >= pNPC1->GetHullMaxs().y ) &&
( pNPC2->GetHullMaxs().z >= pNPC1->GetHullMaxs().z ) )
{
// 2 bigger than 1 in all axes, skip 1 in 2 test
bTest1At2 = false;
}
trace_t tr;
CTraceFilterSkipTwoEntities traceFilter( pNPC1, pNPC2, COLLISION_GROUP_NONE );
if ( bTest1At2 )
{
AI_TraceHull( pNPC2->GetAbsOrigin(), pNPC2->GetAbsOrigin(), pNPC1->GetHullMins(), pNPC1->GetHullMaxs(), MASK_SOLID, &traceFilter, &tr );
if ( tr.startsolid )
{
if ( bDebug )
{
NDebugOverlay::Box( pNPC2->GetAbsOrigin(), pNPC1->GetHullMins(), pNPC1->GetHullMaxs(), 255,0,0, true, 1.0 );
}
return false;
}
}
if ( bTest2At1 )
{
AI_TraceHull( pNPC1->GetAbsOrigin(), pNPC1->GetAbsOrigin(), pNPC2->GetHullMins(), pNPC2->GetHullMaxs(), MASK_SOLID, &traceFilter, &tr );
if ( tr.startsolid )
{
if ( bDebug )
{
NDebugOverlay::Box( pNPC1->GetAbsOrigin(), pNPC2->GetHullMins(), pNPC2->GetHullMaxs(), 255,0,0, true, 1.0 );
}
return false;
}
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::InteractionCouldStart( CAI_BaseNPC *pOtherNPC, ScriptedNPCInteraction_t *pInteraction, Vector &vecOrigin, QAngle &angAngles )
{
// Get a matrix that'll convert from my local interaction space to world space
VMatrix matMeToWorld, matLocalToWorld;
QAngle angMyCurrent = GetAbsAngles();
angMyCurrent[YAW] = m_flInteractionYaw;
matMeToWorld.SetupMatrixOrgAngles( GetAbsOrigin(), angMyCurrent );
MatrixMultiply( matMeToWorld, pInteraction->matDesiredLocalToWorld, matLocalToWorld );
// Get the desired NPC position in worldspace
vecOrigin = matLocalToWorld.GetTranslation();
MatrixToAngles( matLocalToWorld, angAngles );
bool bDebug = ai_debug_dyninteractions.GetBool();
if ( bDebug )
{
NDebugOverlay::Axis( vecOrigin, angAngles, 20, true, 0.1 );
}
// Determine whether or not the enemy is on the target
float flDistSqr = (vecOrigin - pOtherNPC->GetAbsOrigin()).LengthSqr();
if ( flDistSqr > pInteraction->flDistSqr )
{
if ( bDebug )
{
if ( m_debugOverlays & OVERLAY_NPC_SELECTED_BIT || pOtherNPC->m_debugOverlays & OVERLAY_NPC_SELECTED_BIT )
{
if ( ai_debug_dyninteractions.GetFloat() == 2 )
{
Msg(" %s distsqr: %0.2f (%0.2f %0.2f %0.2f), desired: <%0.2f (%0.2f %0.2f %0.2f)\n", GetDebugName(), flDistSqr,
pOtherNPC->GetAbsOrigin().x, pOtherNPC->GetAbsOrigin().y, pOtherNPC->GetAbsOrigin().z, pInteraction->flDistSqr, vecOrigin.x, vecOrigin.y, vecOrigin.z );
}
}
}
return false;
}
if ( bDebug )
{
Msg("DYNINT: (%s) testing interaction \"%s\"\n", GetDebugName(), STRING(pInteraction->iszInteractionName) );
Msg(" %s is at: %0.2f %0.2f %0.2f\n", GetDebugName(), GetAbsOrigin().x, GetAbsOrigin().y, GetAbsOrigin().z );
Msg(" %s distsqr: %0.2f (%0.2f %0.2f %0.2f), desired: (%0.2f %0.2f %0.2f)\n", GetDebugName(), flDistSqr,
pOtherNPC->GetAbsOrigin().x, pOtherNPC->GetAbsOrigin().y, pOtherNPC->GetAbsOrigin().z, vecOrigin.x, vecOrigin.y, vecOrigin.z );
if ( pOtherNPC )
{
float flOtherSpeed = pOtherNPC->GetSequenceGroundSpeed( pOtherNPC->GetSequence() );
Msg(" %s Speed: %.2f\n", pOtherNPC->GetSequenceName( pOtherNPC->GetSequence() ), flOtherSpeed);
}
}
// Angle check, if we're supposed to
if ( pInteraction->iFlags & SCNPC_FLAG_TEST_OTHER_ANGLES )
{
QAngle angEnemyAngles = pOtherNPC->GetAbsAngles();
bool bMatches = true;
for ( int ang = 0; ang < 3; ang++ )
{
float flAngDiff = AngleDiff( angEnemyAngles[ang], angAngles[ang] );
if ( fabs(flAngDiff) > DSS_MAX_ANGLE_DIFF )
{
bMatches = false;
break;
}
}
if ( !bMatches )
return false;
if ( bDebug )
{
Msg(" %s angle matched: (%0.2f %0.2f %0.2f), desired (%0.2f, %0.2f, %0.2f)\n", GetDebugName(),
anglemod(angEnemyAngles.x), anglemod(angEnemyAngles.y), anglemod(angEnemyAngles.z), anglemod(angAngles.x), anglemod(angAngles.y), anglemod(angAngles.z) );
}
}
// TODO: Velocity check, if we're supposed to
if ( pInteraction->iFlags & SCNPC_FLAG_TEST_OTHER_VELOCITY )
{
}
// Valid so far. Now check to make sure there's nothing in the way.
// This isn't a very good method of checking, but it's cheap and rules out the problems we're seeing so far.
// If we start getting interactions that start a fair distance apart, we're going to need to do more work here.
trace_t tr;
AI_TraceLine( EyePosition(), pOtherNPC->EyePosition(), MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr);
if ( tr.fraction != 1.0 && tr.m_pEnt != pOtherNPC )
{
if ( bDebug )
{
Msg( " %s Interaction was blocked.\n", GetDebugName() );
NDebugOverlay::Line( tr.startpos, tr.endpos, 0,255,0, true, 1.0 );
NDebugOverlay::Line( pOtherNPC->EyePosition(), tr.endpos, 255,0,0, true, 1.0 );
}
return false;
}
if ( bDebug )
{
NDebugOverlay::Line( tr.startpos, tr.endpos, 0,255,0, true, 1.0 );
}
// Do a knee-level trace to find low physics objects
Vector vecMyKnee, vecOtherKnee;
CollisionProp()->NormalizedToWorldSpace( Vector(0,0,0.25f), &vecMyKnee );
pOtherNPC->CollisionProp()->NormalizedToWorldSpace( Vector(0,0,0.25f), &vecOtherKnee );
AI_TraceLine( vecMyKnee, vecOtherKnee, MASK_NPCSOLID, this, COLLISION_GROUP_NONE, &tr);
if ( tr.fraction != 1.0 && tr.m_pEnt != pOtherNPC )
{
if ( bDebug )
{
Msg( " %s Interaction was blocked.\n", GetDebugName() );
NDebugOverlay::Line( tr.startpos, tr.endpos, 0,255,0, true, 1.0 );
NDebugOverlay::Line( vecOtherKnee, tr.endpos, 255,0,0, true, 1.0 );
}
return false;
}
if ( bDebug )
{
NDebugOverlay::Line( tr.startpos, tr.endpos, 0,255,0, true, 1.0 );
}
// Finally, make sure the NPC can actually fit at the interaction position
// This solves problems with NPCs who are a few units or so above the
// interaction point, and would sink into the ground when playing the anim.
CTraceFilterSkipTwoEntities traceFilter( pOtherNPC, this, COLLISION_GROUP_NONE );
AI_TraceHull( vecOrigin, vecOrigin, pOtherNPC->GetHullMins(), pOtherNPC->GetHullMaxs(), MASK_SOLID, &traceFilter, &tr );
if ( tr.startsolid )
{
if ( bDebug )
{
NDebugOverlay::Box( vecOrigin, pOtherNPC->GetHullMins(), pOtherNPC->GetHullMaxs(), 255,0,0, true, 1.0 );
}
return false;
}
// If the NPCs are swapping places during this interaction, make sure they can fit at each
// others' origins before allowing the interaction.
if ( !CanNPCsTradePlaces( this, pOtherNPC, bDebug ) )
{
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose: Return true if this NPC cannot die because it's in an interaction
// and the flag has been set by the animation.
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::HasInteractionCantDie( void )
{
return ( m_bCannotDieDuringInteraction && IsRunningDynamicInteraction() );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &inputdata -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::InputForceInteractionWithNPC( inputdata_t &inputdata )
{
// Get the interaction name & target
char parseString[255];
Q_strncpy(parseString, inputdata.value.String(), sizeof(parseString));
// First, the target's name
char *pszParam = strtok(parseString," ");
if ( !pszParam || !pszParam[0] )
{
Warning("%s(%s) received ForceInteractionWithNPC input with bad parameters: %s\nFormat should be: ForceInteractionWithNPC <target NPC> <interaction name>\n", GetClassname(), GetDebugName(), inputdata.value.String() );
return;
}
// Find the target
CBaseEntity *pTarget = FindNamedEntity( pszParam );
if ( !pTarget )
{
Warning("%s(%s) received ForceInteractionWithNPC input, but couldn't find entity named: %s\n", GetClassname(), GetDebugName(), pszParam );
return;
}
CAI_BaseNPC *pNPC = pTarget->MyNPCPointer();
if ( !pNPC || !pNPC->GetModelPtr() )
{
Warning("%s(%s) received ForceInteractionWithNPC input, but entity named %s cannot run dynamic interactions.\n", GetClassname(), GetDebugName(), pszParam );
return;
}
// Second, the interaction name
pszParam = strtok(NULL," ");
if ( !pszParam || !pszParam[0] )
{
Warning("%s(%s) received ForceInteractionWithNPC input with bad parameters: %s\nFormat should be: ForceInteractionWithNPC <target NPC> <interaction name>\n", GetClassname(), GetDebugName(), inputdata.value.String() );
return;
}
// Find the interaction from the name, and ensure it's one that the target NPC can play
int iInteraction = -1;
for ( int i = 0; i < m_ScriptedInteractions.Count(); i++ )
{
if ( Q_strncmp( pszParam, STRING(m_ScriptedInteractions[i].iszInteractionName), strlen(pszParam) ) )
continue;
// Use sequence? or activity?
if ( m_ScriptedInteractions[i].sPhases[SNPCINT_SEQUENCE].iActivity != ACT_INVALID )
{
if ( !pNPC->HaveSequenceForActivity( (Activity)m_ScriptedInteractions[i].sPhases[SNPCINT_SEQUENCE].iActivity ) )
{
// Other NPC may have all the matching sequences, but just without the activity specified.
// Lets find a single sequence for us, and ensure they have a matching one.
int iMySeq = SelectWeightedSequence( (Activity)m_ScriptedInteractions[i].sPhases[SNPCINT_SEQUENCE].iActivity );
if ( pNPC->LookupSequence( GetSequenceName(iMySeq) ) == -1 )
continue;
}
}
else
{
if ( pNPC->LookupSequence( STRING(m_ScriptedInteractions[i].sPhases[SNPCINT_SEQUENCE].iszSequence) ) == -1 )
continue;
}
iInteraction = i;
break;
}
if ( iInteraction == -1 )
{
Warning("%s(%s) received ForceInteractionWithNPC input, but couldn't find an interaction named %s that entity named %s could run.\n", GetClassname(), GetDebugName(), pszParam, pNPC->GetDebugName() );
return;
}
// Found both pieces of data, lets dance.
StartForcedInteraction( pNPC, iInteraction );
pNPC->StartForcedInteraction( this, NPCINT_NONE );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::StartForcedInteraction( CAI_BaseNPC *pNPC, int iInteraction )
{
m_hForcedInteractionPartner = pNPC;
ClearSchedule( "Starting a forced interaction" );
m_flForcedInteractionTimeout = gpGlobals->curtime + 8.0f;
m_iInteractionPlaying = iInteraction;
m_iInteractionState = NPCINT_MOVING_TO_MARK;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CleanupForcedInteraction( void )
{
m_hForcedInteractionPartner = NULL;
m_iInteractionPlaying = NPCINT_NONE;
m_iInteractionState = NPCINT_NOT_RUNNING;
m_flForcedInteractionTimeout = 0;
}
//-----------------------------------------------------------------------------
// Purpose: Calculate a position to move to so that I can interact with my
// target NPC.
//
// FIXME: THIS ONLY WORKS FOR INTERACTIONS THAT REQUIRE THE TARGET
// NPC TO BE SOME DISTANCE DIRECTLY IN FRONT OF ME.
//-----------------------------------------------------------------------------
void CAI_BaseNPC::CalculateForcedInteractionPosition( void )
{
if ( m_iInteractionPlaying == NPCINT_NONE )
return;
ScriptedNPCInteraction_t *pInteraction = GetRunningDynamicInteraction();
// Pretend I was facing the target, and extrapolate from that the position I should be at
Vector vecToTarget = m_hForcedInteractionPartner->GetAbsOrigin() - GetAbsOrigin();
VectorNormalize( vecToTarget );
QAngle angToTarget;
VectorAngles( vecToTarget, angToTarget );
// Get the desired position in worldspace, relative to the target
VMatrix matMeToWorld, matLocalToWorld;
matMeToWorld.SetupMatrixOrgAngles( GetAbsOrigin(), angToTarget );
MatrixMultiply( matMeToWorld, pInteraction->matDesiredLocalToWorld, matLocalToWorld );
Vector vecOrigin = GetAbsOrigin() - matLocalToWorld.GetTranslation();
m_vecForcedWorldPosition = m_hForcedInteractionPartner->GetAbsOrigin() + vecOrigin;
//NDebugOverlay::Axis( m_vecForcedWorldPosition, angToTarget, 20, true, 3.0 );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : *pPlayer -
//-----------------------------------------------------------------------------
void CAI_BaseNPC::PlayerHasIlluminatedNPC( CBasePlayer *pPlayer, float flDot )
{
#ifdef HL2_EPISODIC
if ( IsActiveDynamicInteraction() )
{
ScriptedNPCInteraction_t *pInteraction = GetRunningDynamicInteraction();
if ( pInteraction->iLoopBreakTriggerMethod & SNPCINT_LOOPBREAK_ON_FLASHLIGHT_ILLUM )
{
// Only do this in alyx darkness mode
if ( HL2GameRules()->IsAlyxInDarknessMode() )
{
// Can only break when we're in the action anim
if ( m_hCine->IsPlayingAction() )
{
m_hCine->StopActionLoop( true );
}
}
}
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::ModifyOrAppendCriteria( AI_CriteriaSet& set )
{
BaseClass::ModifyOrAppendCriteria( set );
// Append time since seen player
if ( m_flLastSawPlayerTime )
{
set.AppendCriteria( "timesinceseenplayer", UTIL_VarArgs( "%f", gpGlobals->curtime - m_flLastSawPlayerTime ) );
}
else
{
set.AppendCriteria( "timesinceseenplayer", "-1" );
}
// Append distance to my enemy
if ( GetEnemy() )
{
set.AppendCriteria( "distancetoenemy", UTIL_VarArgs( "%f", EnemyDistance(GetEnemy()) ) );
}
else
{
set.AppendCriteria( "distancetoenemy", "-1" );
}
}
//-----------------------------------------------------------------------------
// If I were crouching at my current location, could I shoot this target?
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::CouldShootIfCrouching( CBaseEntity *pTarget )
{
bool bWasStanding = !IsCrouching();
Crouch();
Vector vecTarget;
if (GetActiveWeapon())
{
vecTarget = pTarget->BodyTarget( GetActiveWeapon()->GetLocalOrigin() );
}
else
{
vecTarget = pTarget->BodyTarget( GetLocalOrigin() );
}
bool bResult = WeaponLOSCondition( GetLocalOrigin(), vecTarget, false );
if ( bWasStanding )
{
Stand();
}
return bResult;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsCrouchedActivity( Activity activity )
{
Activity realActivity = TranslateActivity(activity);
switch ( realActivity )
{
case ACT_RELOAD_LOW:
case ACT_COVER_LOW:
case ACT_COVER_PISTOL_LOW:
case ACT_COVER_SMG1_LOW:
case ACT_RELOAD_SMG1_LOW:
return true;
}
return false;
}
//-----------------------------------------------------------------------------
// Purpose: Get shoot position of BCC at an arbitrary position
//-----------------------------------------------------------------------------
Vector CAI_BaseNPC::Weapon_ShootPosition( void )
{
Vector right;
GetVectors( NULL, &right, NULL );
bool bStanding = !IsCrouching();
if ( bStanding && (CapabilitiesGet() & bits_CAP_DUCK) )
{
if ( IsCrouchedActivity( GetActivity() ) )
{
bStanding = false;
}
}
if ( !bStanding )
return (GetAbsOrigin() + GetCrouchGunOffset() + right * 8);
return BaseClass::Weapon_ShootPosition();
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::ShouldProbeCollideAgainstEntity( CBaseEntity *pEntity )
{
if ( pEntity->GetMoveType() == MOVETYPE_VPHYSICS )
{
if ( ai_test_moveprobe_ignoresmall.GetBool() && IsNavigationUrgent() )
{
IPhysicsObject *pPhysics = pEntity->VPhysicsGetObject();
if ( pPhysics->IsMoveable() && pPhysics->GetMass() < 40.0 )
return false;
}
}
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::Crouch( void )
{
m_bIsCrouching = true;
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::IsCrouching( void )
{
return ( (CapabilitiesGet() & bits_CAP_DUCK) && m_bIsCrouching );
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CAI_BaseNPC::Stand( void )
{
if ( m_bForceCrouch )
return false;
m_bIsCrouching = false;
DesireStand();
return true;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CAI_BaseNPC::DesireCrouch( void )
{
m_bCrouchDesired = true;
}
bool CAI_BaseNPC::IsInChoreo() const
{
return m_bInChoreo;
}