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.
397 Commits
25 Branches
6 Tags
221 MiB
 
 
 
 
 
 
Tree: 17ff01c7ab
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '17ff01c7ab'
${ noResults }
source-engine/game/server/hl1/hl1_npc_bullsquid.cpp

1167 lines
30 KiB
Raw Blame History

//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: Cute hound like Alien.
//
// $NoKeywords: $
//=============================================================================//
#include "cbase.h"
#include "game.h"
#include "ai_default.h"
#include "ai_schedule.h"
#include "ai_hull.h"
#include "ai_route.h"
#include "ai_hint.h"
#include "ai_navigator.h"
#include "ai_senses.h"
#include "npcevent.h"
#include "animation.h"
#include "hl1_npc_bullsquid.h"
#include "gib.h"
#include "soundent.h"
#include "ndebugoverlay.h"
#include "vstdlib/random.h"
#include "engine/IEngineSound.h"
#include "hl1_grenade_spit.h"
#include "util.h"
#include "shake.h"
#include "movevars_shared.h"
#include "decals.h"
#include "hl2_shareddefs.h"
#include "ammodef.h"
#define SQUID_SPRINT_DIST 256 // how close the squid has to get before starting to sprint and refusing to swerve
ConVar sk_bullsquid_health ( "sk_bullsquid_health", "0" );
ConVar sk_bullsquid_dmg_bite ( "sk_bullsquid_dmg_bite", "0" );
ConVar sk_bullsquid_dmg_whip ( "sk_bullsquid_dmg_whip", "0" );
extern ConVar sk_bullsquid_dmg_spit;
//=========================================================
// monster-specific schedule types
//=========================================================
enum
{
SCHED_SQUID_HURTHOP = LAST_SHARED_SCHEDULE,
SCHED_SQUID_SEECRAB,
SCHED_SQUID_EAT,
SCHED_SQUID_SNIFF_AND_EAT,
SCHED_SQUID_WALLOW,
SCHED_SQUID_CHASE_ENEMY,
};
//=========================================================
// monster-specific tasks
//=========================================================
enum
{
TASK_SQUID_HOPTURN = LAST_SHARED_TASK,
TASK_SQUID_EAT,
};
//-----------------------------------------------------------------------------
// Squid Conditions
//-----------------------------------------------------------------------------
enum
{
COND_SQUID_SMELL_FOOD = LAST_SHARED_CONDITION + 1,
};
//=========================================================
// Monster's Anim Events Go Here
//=========================================================
#define BSQUID_AE_SPIT ( 1 )
#define BSQUID_AE_BITE ( 2 )
#define BSQUID_AE_BLINK ( 3 )
#define BSQUID_AE_TAILWHIP ( 4 )
#define BSQUID_AE_HOP ( 5 )
#define BSQUID_AE_THROW ( 6 )
LINK_ENTITY_TO_CLASS( monster_bullchicken, CNPC_Bullsquid );
int ACT_SQUID_EXCITED;
int ACT_SQUID_EAT;
int ACT_SQUID_DETECT_SCENT;
int ACT_SQUID_INSPECT_FLOOR;
//=========================================================
// Bullsquid's spit projectile
//=========================================================
class CSquidSpit : public CBaseEntity
{
DECLARE_CLASS( CSquidSpit, CBaseEntity );
public:
void Spawn( void );
void Precache( void );
static void Shoot( CBaseEntity *pOwner, Vector vecStart, Vector vecVelocity );
void Touch( CBaseEntity *pOther );
void Animate( void );
int m_nSquidSpitSprite;
DECLARE_DATADESC();
void SetSprite( CBaseEntity *pSprite )
{
m_hSprite = pSprite;
}
CBaseEntity *GetSprite( void )
{
return m_hSprite.Get();
}
private:
EHANDLE m_hSprite;
};
LINK_ENTITY_TO_CLASS( squidspit, CSquidSpit );
BEGIN_DATADESC( CSquidSpit )
DEFINE_FIELD( m_nSquidSpitSprite, FIELD_INTEGER ),
DEFINE_FIELD( m_hSprite, FIELD_EHANDLE ),
END_DATADESC()
void CSquidSpit::Precache( void )
{
m_nSquidSpitSprite = PrecacheModel("sprites/bigspit.vmt");// client side spittle.
PrecacheScriptSound( "NPC_BigMomma.SpitTouch1" );
PrecacheScriptSound( "NPC_BigMomma.SpitHit1" );
PrecacheScriptSound( "NPC_BigMomma.SpitHit2" );
}
void CSquidSpit:: Spawn( void )
{
Precache();
SetMoveType ( MOVETYPE_FLY );
SetClassname( "squidspit" );
SetSolid( SOLID_BBOX );
m_nRenderMode = kRenderTransAlpha;
SetRenderColorA( 255 );
SetModel( "" );
SetSprite( CSprite::SpriteCreate( "sprites/bigspit.vmt", GetAbsOrigin(), true ) );
UTIL_SetSize( this, Vector( 0, 0, 0), Vector(0, 0, 0) );
SetCollisionGroup( HL2COLLISION_GROUP_SPIT );
}
void CSquidSpit::Shoot( CBaseEntity *pOwner, Vector vecStart, Vector vecVelocity )
{
CSquidSpit *pSpit = CREATE_ENTITY( CSquidSpit, "squidspit" );
pSpit->Spawn();
UTIL_SetOrigin( pSpit, vecStart );
pSpit->SetAbsVelocity( vecVelocity );
pSpit->SetOwnerEntity( pOwner );
CSprite *pSprite = (CSprite*)pSpit->GetSprite();
if ( pSprite )
{
pSprite->SetAttachment( pSpit, 0 );
pSprite->SetOwnerEntity( pSpit );
pSprite->SetScale( 0.5 );
pSprite->SetTransparency( pSpit->m_nRenderMode, pSpit->m_clrRender->r, pSpit->m_clrRender->g, pSpit->m_clrRender->b, pSpit->m_clrRender->a, pSpit->m_nRenderFX );
}
CPVSFilter filter( vecStart );
VectorNormalize( vecVelocity );
te->SpriteSpray( filter, 0.0, &vecStart , &vecVelocity, pSpit->m_nSquidSpitSprite, 210, 25, 15 );
}
void CSquidSpit::Touch ( CBaseEntity *pOther )
{
trace_t tr;
int iPitch;
if ( pOther->GetSolidFlags() & FSOLID_TRIGGER )
return;
if ( pOther->GetCollisionGroup() == HL2COLLISION_GROUP_SPIT)
{
return;
}
// splat sound
iPitch = random->RandomFloat( 90, 110 );
EmitSound( "NPC_BigMomma.SpitTouch1" );
switch ( random->RandomInt( 0, 1 ) )
{
case 0:
EmitSound( "NPC_BigMomma.SpitHit1" );
break;
case 1:
EmitSound( "NPC_BigMomma.SpitHit2" );
break;
}
if ( !pOther->m_takedamage )
{
// make a splat on the wall
UTIL_TraceLine( GetAbsOrigin(), GetAbsOrigin() + GetAbsVelocity() * 10, MASK_SOLID, this, COLLISION_GROUP_NONE, &tr );
UTIL_DecalTrace(&tr, "BeerSplash" );
// make some flecks
CPVSFilter filter( tr.endpos );
te->SpriteSpray( filter, 0.0, &tr.endpos, &tr.plane.normal, m_nSquidSpitSprite, 30, 8, 5 );
}
else
{
CTakeDamageInfo info( this, this, sk_bullsquid_dmg_spit.GetFloat(), DMG_BULLET );
CalculateBulletDamageForce( &info, GetAmmoDef()->Index("9mmRound"), GetAbsVelocity(), GetAbsOrigin() );
pOther->TakeDamage( info );
}
UTIL_Remove( m_hSprite );
UTIL_Remove( this );
}
BEGIN_DATADESC( CNPC_Bullsquid )
DEFINE_FIELD( m_fCanThreatDisplay, FIELD_BOOLEAN ),
DEFINE_FIELD( m_flLastHurtTime, FIELD_TIME ),
DEFINE_FIELD( m_flNextSpitTime, FIELD_TIME ),
DEFINE_FIELD( m_flHungryTime, FIELD_TIME ),
END_DATADESC()
//=========================================================
// Spawn
//=========================================================
void CNPC_Bullsquid::Spawn()
{
Precache( );
SetModel( "models/bullsquid.mdl");
SetHullType(HULL_WIDE_SHORT);
SetHullSizeNormal();
SetSolid( SOLID_BBOX );
AddSolidFlags( FSOLID_NOT_STANDABLE );
SetMoveType( MOVETYPE_STEP );
m_bloodColor = BLOOD_COLOR_GREEN;
SetRenderColor( 255, 255, 255, 255 );
m_iHealth = sk_bullsquid_health.GetFloat();
m_flFieldOfView = 0.2;// indicates the width of this monster's forward view cone ( as a dotproduct result )
m_NPCState = NPC_STATE_NONE;
CapabilitiesClear();
CapabilitiesAdd( bits_CAP_MOVE_GROUND | bits_CAP_INNATE_RANGE_ATTACK1 | bits_CAP_INNATE_MELEE_ATTACK1 | bits_CAP_INNATE_MELEE_ATTACK2 );
m_fCanThreatDisplay = TRUE;
m_flNextSpitTime = gpGlobals->curtime;
NPCInit();
m_flDistTooFar = 784;
}
//=========================================================
// Precache - precaches all resources this monster needs
//=========================================================
void CNPC_Bullsquid::Precache()
{
BaseClass::Precache();
PrecacheModel("models/bullsquid.mdl");
PrecacheModel("sprites/bigspit.vmt");// spit projectile.
PrecacheScriptSound( "Bullsquid.Idle" );
PrecacheScriptSound( "Bullsquid.Pain" );
PrecacheScriptSound( "Bullsquid.Alert" );
PrecacheScriptSound( "Bullsquid.Die" );
PrecacheScriptSound( "Bullsquid.Attack" );
PrecacheScriptSound( "Bullsquid.Bite" );
PrecacheScriptSound( "Bullsquid.Growl" );
}
int CNPC_Bullsquid::TranslateSchedule( int scheduleType )
{
switch ( scheduleType )
{
case SCHED_CHASE_ENEMY:
return SCHED_SQUID_CHASE_ENEMY;
break;
}
return BaseClass::TranslateSchedule( scheduleType );
}
//-----------------------------------------------------------------------------
// Purpose: Indicates this monster's place in the relationship table.
// Output :
//-----------------------------------------------------------------------------
Class_T CNPC_Bullsquid::Classify( void )
{
return CLASS_ALIEN_PREDATOR;
}
//=========================================================
// IdleSound
//=========================================================
#define SQUID_ATTN_IDLE (float)1.5
void CNPC_Bullsquid::IdleSound( void )
{
CPASAttenuationFilter filter( this, SQUID_ATTN_IDLE );
EmitSound( filter, entindex(), "Bullsquid.Idle" );
}
//=========================================================
// PainSound
//=========================================================
void CNPC_Bullsquid::PainSound( const CTakeDamageInfo &info )
{
CPASAttenuationFilter filter( this );
EmitSound( filter, entindex(), "Bullsquid.Pain" );
}
//=========================================================
// AlertSound
//=========================================================
void CNPC_Bullsquid::AlertSound( void )
{
CPASAttenuationFilter filter( this );
EmitSound( filter, entindex(), "Bullsquid.Alert" );
}
//=========================================================
// DeathSound
//=========================================================
void CNPC_Bullsquid::DeathSound( const CTakeDamageInfo &info )
{
CPASAttenuationFilter filter( this );
EmitSound( filter, entindex(), "Bullsquid.Die" );
}
//=========================================================
// AttackSound
//=========================================================
void CNPC_Bullsquid::AttackSound( void )
{
CPASAttenuationFilter filter( this );
EmitSound( filter, entindex(), "Bullsquid.Attack" );
}
//=========================================================
// SetYawSpeed - allows each sequence to have a different
// turn rate associated with it.
//=========================================================
float CNPC_Bullsquid::MaxYawSpeed( void )
{
float flYS = 0;
switch ( GetActivity() )
{
case ACT_WALK: flYS = 90; break;
case ACT_RUN: flYS = 90; break;
case ACT_IDLE: flYS = 90; break;
case ACT_RANGE_ATTACK1: flYS = 90; break;
default:
flYS = 90;
break;
}
return flYS;
}
//=========================================================
// HandleAnimEvent - catches the monster-specific messages
// that occur when tagged animation frames are played.
//=========================================================
void CNPC_Bullsquid::HandleAnimEvent( animevent_t *pEvent )
{
switch( pEvent->event )
{
case BSQUID_AE_SPIT:
{
if ( GetEnemy() )
{
Vector vecSpitOffset;
Vector vecSpitDir;
Vector vRight, vUp, vForward;
AngleVectors ( GetAbsAngles(), &vForward, &vRight, &vUp );
// !!!HACKHACK - the spot at which the spit originates (in front of the mouth) was measured in 3ds and hardcoded here.
// we should be able to read the position of bones at runtime for this info.
vecSpitOffset = ( vRight * 8 + vForward * 60 + vUp * 50 );
vecSpitOffset = ( GetAbsOrigin() + vecSpitOffset );
vecSpitDir = ( ( GetEnemy()->BodyTarget( GetAbsOrigin() ) ) - vecSpitOffset );
VectorNormalize( vecSpitDir );
vecSpitDir.x += random->RandomFloat( -0.05, 0.05 );
vecSpitDir.y += random->RandomFloat( -0.05, 0.05 );
vecSpitDir.z += random->RandomFloat( -0.05, 0 );
AttackSound();
CSquidSpit::Shoot( this, vecSpitOffset, vecSpitDir * 900 );
}
}
break;
case BSQUID_AE_BITE:
{
// SOUND HERE!
CBaseEntity *pHurt = CheckTraceHullAttack( 70, Vector(-16,-16,-16), Vector(16,16,16), sk_bullsquid_dmg_bite.GetFloat(), DMG_SLASH );
if ( pHurt )
{
Vector forward, up;
AngleVectors( GetAbsAngles(), &forward, NULL, &up );
pHurt->SetAbsVelocity( pHurt->GetAbsVelocity() - (forward * 100) );
pHurt->SetAbsVelocity( pHurt->GetAbsVelocity() + (up * 100) );
pHurt->SetGroundEntity( NULL );
}
}
break;
case BSQUID_AE_TAILWHIP:
{
CBaseEntity *pHurt = CheckTraceHullAttack( 70, Vector(-16,-16,-16), Vector(16,16,16), sk_bullsquid_dmg_whip.GetFloat(), DMG_SLASH | DMG_ALWAYSGIB );
if ( pHurt )
{
Vector right, up;
AngleVectors( GetAbsAngles(), NULL, &right, &up );
if ( pHurt->GetFlags() & ( FL_NPC | FL_CLIENT ) )
pHurt->ViewPunch( QAngle( 20, 0, -20 ) );
pHurt->SetAbsVelocity( pHurt->GetAbsVelocity() + (right * 200) );
pHurt->SetAbsVelocity( pHurt->GetAbsVelocity() + (up * 100) );
}
}
break;
case BSQUID_AE_BLINK:
{
// close eye.
m_nSkin = 1;
}
break;
case BSQUID_AE_HOP:
{
float flGravity = GetCurrentGravity();
// throw the squid up into the air on this frame.
if ( GetFlags() & FL_ONGROUND )
{
SetGroundEntity( NULL );
}
// jump into air for 0.8 (24/30) seconds
Vector vecVel = GetAbsVelocity();
vecVel.z += ( 0.625 * flGravity ) * 0.5;
SetAbsVelocity( vecVel );
}
break;
case BSQUID_AE_THROW:
{
// squid throws its prey IF the prey is a client.
CBaseEntity *pHurt = CheckTraceHullAttack( 70, Vector(-16,-16,-16), Vector(16,16,16), 0, 0 );
if ( pHurt )
{
// croonchy bite sound
CPASAttenuationFilter filter( this );
EmitSound( filter, entindex(), "Bullsquid.Bite" );
// screeshake transforms the viewmodel as well as the viewangle. No problems with seeing the ends of the viewmodels.
UTIL_ScreenShake( pHurt->GetAbsOrigin(), 25.0, 1.5, 0.7, 2, SHAKE_START );
if ( pHurt->IsPlayer() )
{
Vector forward, up;
AngleVectors( GetAbsAngles(), &forward, NULL, &up );
pHurt->SetAbsVelocity( pHurt->GetAbsVelocity() + forward * 300 + up * 300 );
}
}
}
break;
default:
BaseClass::HandleAnimEvent( pEvent );
}
}
int CNPC_Bullsquid::RangeAttack1Conditions( float flDot, float flDist )
{
if ( IsMoving() && flDist >= 512 )
{
// squid will far too far behind if he stops running to spit at this distance from the enemy.
return ( COND_NONE );
}
if ( flDist > 85 && flDist <= 784 && flDot >= 0.5 && gpGlobals->curtime >= m_flNextSpitTime )
{
if ( GetEnemy() != NULL )
{
if ( fabs( GetAbsOrigin().z - GetEnemy()->GetAbsOrigin().z ) > 256 )
{
// don't try to spit at someone up really high or down really low.
return( COND_NONE );
}
}
if ( IsMoving() )
{
// don't spit again for a long time, resume chasing enemy.
m_flNextSpitTime = gpGlobals->curtime + 5;
}
else
{
// not moving, so spit again pretty soon.
m_flNextSpitTime = gpGlobals->curtime + 0.5;
}
return( COND_CAN_RANGE_ATTACK1 );
}
return( COND_NONE );
}
//=========================================================
// MeleeAttack2Conditions - bullsquid is a big guy, so has a longer
// melee range than most monsters. This is the tailwhip attack
//=========================================================
int CNPC_Bullsquid::MeleeAttack1Conditions( float flDot, float flDist )
{
if ( GetEnemy()->m_iHealth <= sk_bullsquid_dmg_whip.GetFloat() && flDist <= 85 && flDot >= 0.7 )
{
return ( COND_CAN_MELEE_ATTACK1 );
}
return( COND_NONE );
}
//=========================================================
// MeleeAttack2Conditions - bullsquid is a big guy, so has a longer
// melee range than most monsters. This is the bite attack.
// this attack will not be performed if the tailwhip attack
// is valid.
//=========================================================
int CNPC_Bullsquid::MeleeAttack2Conditions( float flDot, float flDist )
{
if ( flDist <= 85 && flDot >= 0.7 && !HasCondition( COND_CAN_MELEE_ATTACK1 ) ) // The player & bullsquid can be as much as their bboxes
return ( COND_CAN_MELEE_ATTACK2 );
return( COND_NONE );
}
bool CNPC_Bullsquid::FValidateHintType ( CAI_Hint *pHint )
{
if ( pHint->HintType() == HINT_HL1_WORLD_HUMAN_BLOOD )
return true;
Msg ( "Couldn't validate hint type" );
return false;
}
void CNPC_Bullsquid::RemoveIgnoredConditions( void )
{
if ( m_flHungryTime > gpGlobals->curtime )
ClearCondition( COND_SQUID_SMELL_FOOD );
if ( gpGlobals->curtime - m_flLastHurtTime <= 20 )
{
// haven't been hurt in 20 seconds, so let the squid care about stink.
ClearCondition( COND_SMELL );
}
if ( GetEnemy() != NULL )
{
// ( Unless after a tasty headcrab, yumm ^_^ )
if ( FClassnameIs( GetEnemy(), "monster_headcrab" ) )
ClearCondition( COND_SMELL );
}
}
Disposition_t CNPC_Bullsquid::IRelationType( CBaseEntity *pTarget )
{
if ( gpGlobals->curtime - m_flLastHurtTime < 5 && FClassnameIs ( pTarget, "monster_headcrab" ) )
{
// if squid has been hurt in the last 5 seconds, and is getting relationship for a headcrab,
// tell squid to disregard crab.
return D_NU;
}
return BaseClass::IRelationType ( pTarget );
}
//=========================================================
// TakeDamage - overridden for bullsquid so we can keep track
// of how much time has passed since it was last injured
//=========================================================
int CNPC_Bullsquid::OnTakeDamage_Alive( const CTakeDamageInfo &inputInfo )
{
#if 0 //Fix later.
float flDist;
Vector vecApex, vOffset;
// if the squid is running, has an enemy, was hurt by the enemy, hasn't been hurt in the last 3 seconds, and isn't too close to the enemy,
// it will swerve. (whew).
if ( GetEnemy() != NULL && IsMoving() && pevAttacker == GetEnemy() && gpGlobals->curtime - m_flLastHurtTime > 3 )
{
flDist = ( GetAbsOrigin() - GetEnemy()->GetAbsOrigin() ).Length2D();
if ( flDist > SQUID_SPRINT_DIST )
{
AI_Waypoint_t* pRoute = GetNavigator()->GetPath()->Route();
if ( pRoute )
{
flDist = ( GetAbsOrigin() - pRoute[ pRoute->iNodeID ].vecLocation ).Length2D();// reusing flDist.
if ( GetNavigator()->GetPath()->BuildTriangulationRoute( GetAbsOrigin(), pRoute[ pRoute->iNodeID ].vecLocation, flDist * 0.5, GetEnemy(), &vecApex, &vOffset, NAV_GROUND ) )
{
GetNavigator()->PrependWaypoint( vecApex, bits_WP_TO_DETOUR | bits_WP_DONT_SIMPLIFY );
}
}
}
}
#endif
if ( !FClassnameIs ( inputInfo.GetAttacker(), "monster_headcrab" ) )
{
// don't forget about headcrabs if it was a headcrab that hurt the squid.
m_flLastHurtTime = gpGlobals->curtime;
}
return BaseClass::OnTakeDamage_Alive ( inputInfo );
}
//=========================================================
// GetSoundInterests - returns a bit mask indicating which types
// of sounds this monster regards. In the base class implementation,
// monsters care about all sounds, but no scents.
//=========================================================
int CNPC_Bullsquid::GetSoundInterests ( void )
{
return SOUND_WORLD |
SOUND_COMBAT |
SOUND_CARCASS |
SOUND_MEAT |
SOUND_GARBAGE |
SOUND_PLAYER;
}
//=========================================================
// OnListened - monsters dig through the active sound list for
// any sounds that may interest them. (smells, too!)
//=========================================================
void CNPC_Bullsquid::OnListened( void )
{
AISoundIter_t iter;
CSound *pCurrentSound;
static int conditionsToClear[] =
{
COND_SQUID_SMELL_FOOD,
};
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() )
{
// if not a sound, must be a smell - determine if it's just a scent, or if it's a food scent
if ( pCurrentSound->IsSoundType( SOUND_MEAT | SOUND_CARCASS ) )
{
// the detected scent is a food item
condition = COND_SQUID_SMELL_FOOD;
}
}
if ( condition != COND_NONE )
SetCondition( condition );
pCurrentSound = GetSenses()->GetNextHeardSound( &iter );
}
BaseClass::OnListened();
}
//========================================================
// RunAI - overridden for bullsquid because there are things
// that need to be checked every think.
//========================================================
void CNPC_Bullsquid::RunAI ( void )
{
// first, do base class stuff
BaseClass::RunAI();
if ( m_nSkin != 0 )
{
// close eye if it was open.
m_nSkin = 0;
}
if ( random->RandomInt( 0,39 ) == 0 )
{
m_nSkin = 1;
}
if ( GetEnemy() != NULL && GetActivity() == ACT_RUN )
{
// chasing enemy. Sprint for last bit
if ( (GetAbsOrigin() - GetEnemy()->GetAbsOrigin()).Length2D() < SQUID_SPRINT_DIST )
{
m_flPlaybackRate = 1.25;
}
}
}
//=========================================================
// GetSchedule
//=========================================================
int CNPC_Bullsquid::SelectSchedule( void )
{
switch ( m_NPCState )
{
case NPC_STATE_ALERT:
{
if ( HasCondition( COND_LIGHT_DAMAGE ) || HasCondition( COND_HEAVY_DAMAGE ) )
{
return SCHED_SQUID_HURTHOP;
}
if ( HasCondition( COND_SQUID_SMELL_FOOD ) )
{
CSound *pSound;
pSound = GetBestScent();
if ( pSound && (!FInViewCone ( pSound->GetSoundOrigin() ) || !FVisible ( pSound->GetSoundOrigin() )) )
{
// scent is behind or occluded
return SCHED_SQUID_SNIFF_AND_EAT;
}
// food is right out in the open. Just go get it.
return SCHED_SQUID_EAT;
}
if ( HasCondition( COND_SMELL ) )
{
// there's something stinky.
CSound *pSound;
pSound = GetBestScent();
if ( pSound )
return SCHED_SQUID_WALLOW;
}
break;
}
case NPC_STATE_COMBAT:
{
// dead enemy
if ( HasCondition( COND_ENEMY_DEAD ) )
{
// call base class, all code to handle dead enemies is centralized there.
return BaseClass::SelectSchedule();
}
if ( HasCondition( COND_NEW_ENEMY ) )
{
if ( m_fCanThreatDisplay && IRelationType( GetEnemy() ) == D_HT && FClassnameIs( GetEnemy(), "monster_headcrab" ) )
{
// this means squid sees a headcrab!
m_fCanThreatDisplay = FALSE;// only do the headcrab dance once per lifetime.
return SCHED_SQUID_SEECRAB;
}
else
{
return SCHED_WAKE_ANGRY;
}
}
if ( HasCondition( COND_SQUID_SMELL_FOOD ) )
{
CSound *pSound;
pSound = GetBestScent();
if ( pSound && (!FInViewCone ( pSound->GetSoundOrigin() ) || !FVisible ( pSound->GetSoundOrigin() )) )
{
// scent is behind or occluded
return SCHED_SQUID_SNIFF_AND_EAT;
}
// food is right out in the open. Just go get it.
return SCHED_SQUID_EAT;
}
if ( HasCondition( COND_CAN_RANGE_ATTACK1 ) )
{
return SCHED_RANGE_ATTACK1;
}
if ( HasCondition( COND_CAN_MELEE_ATTACK1 ) )
{
return SCHED_MELEE_ATTACK1;
}
if ( HasCondition( COND_CAN_MELEE_ATTACK2 ) )
{
return SCHED_MELEE_ATTACK2;
}
return SCHED_CHASE_ENEMY;
break;
}
}
return BaseClass::SelectSchedule();
}
//=========================================================
// FInViewCone - returns true is the passed vector is in
// the caller's forward view cone. The dot product is performed
// in 2d, making the view cone infinitely tall.
//=========================================================
bool CNPC_Bullsquid::FInViewCone ( Vector pOrigin )
{
Vector los = ( pOrigin - GetAbsOrigin() );
// do this in 2D
los.z = 0;
VectorNormalize( los );
Vector facingDir = EyeDirection2D( );
float flDot = DotProduct( los, facingDir );
if ( flDot > m_flFieldOfView )
return true;
return false;
}
//=========================================================
// FVisible - returns true if a line can be traced from
// the caller's eyes to the target vector
//=========================================================
bool CNPC_Bullsquid::FVisible ( Vector vecOrigin )
{
trace_t tr;
Vector vecLookerOrigin;
vecLookerOrigin = EyePosition();//look through the caller's 'eyes'
UTIL_TraceLine(vecLookerOrigin, vecOrigin, MASK_BLOCKLOS, this/*pentIgnore*/, COLLISION_GROUP_NONE, &tr);
if ( tr.fraction != 1.0 )
return false; // Line of sight is not established
else
return true;// line of sight is valid.
}
//=========================================================
// Start task - selects the correct activity and performs
// any necessary calculations to start the next task on the
// schedule. OVERRIDDEN for bullsquid because it needs to
// know explicitly when the last attempt to chase the enemy
// failed, since that impacts its attack choices.
//=========================================================
void CNPC_Bullsquid::StartTask ( const Task_t *pTask )
{
switch ( pTask->iTask )
{
case TASK_MELEE_ATTACK2:
{
CPASAttenuationFilter filter( this );
EmitSound( filter, entindex(), "Bullsquid.Growl" );
BaseClass::StartTask ( pTask );
break;
}
case TASK_SQUID_HOPTURN:
{
SetActivity ( ACT_HOP );
if ( GetEnemy() )
{
Vector vecFacing = ( GetEnemy()->GetAbsOrigin() - GetAbsOrigin() );
VectorNormalize( vecFacing );
GetMotor()->SetIdealYaw( vecFacing );
}
break;
}
case TASK_SQUID_EAT:
{
m_flHungryTime = gpGlobals->curtime + pTask->flTaskData;
break;
}
default:
{
BaseClass::StartTask ( pTask );
break;
}
}
}
//=========================================================
// RunTask
//=========================================================
void CNPC_Bullsquid::RunTask ( const Task_t *pTask )
{
switch ( pTask->iTask )
{
case TASK_SQUID_HOPTURN:
{
if ( GetEnemy() )
{
Vector vecFacing = ( GetEnemy()->GetAbsOrigin() - GetAbsOrigin() );
VectorNormalize( vecFacing );
GetMotor()->SetIdealYaw( vecFacing );
}
if ( IsSequenceFinished() )
{
TaskComplete();
}
break;
}
default:
{
BaseClass::RunTask( pTask );
break;
}
}
}
//=========================================================
// GetIdealState - Overridden for Bullsquid to deal with
// the feature that makes it lose interest in headcrabs for
// a while if something injures it.
//=========================================================
NPC_STATE CNPC_Bullsquid::SelectIdealState ( void )
{
// If no schedule conditions, the new ideal state is probably the reason we're in here.
switch ( m_NPCState )
{
case NPC_STATE_COMBAT:
/*
COMBAT goes to ALERT upon death of enemy
*/
{
if ( GetEnemy() != NULL && ( HasCondition( COND_LIGHT_DAMAGE ) || HasCondition ( COND_HEAVY_DAMAGE ) ) && FClassnameIs( GetEnemy(), "monster_headcrab" ) )
{
// if the squid has a headcrab enemy and something hurts it, it's going to forget about the crab for a while.
SetEnemy( NULL );
return NPC_STATE_ALERT;
}
break;
}
}
return BaseClass::SelectIdealState();
}
//------------------------------------------------------------------------------
//
// Schedules
//
//------------------------------------------------------------------------------
AI_BEGIN_CUSTOM_NPC( monster_bullchicken, CNPC_Bullsquid )
DECLARE_TASK ( TASK_SQUID_HOPTURN )
DECLARE_TASK ( TASK_SQUID_EAT )
DECLARE_CONDITION( COND_SQUID_SMELL_FOOD )
DECLARE_ACTIVITY( ACT_SQUID_EXCITED )
DECLARE_ACTIVITY( ACT_SQUID_EAT )
DECLARE_ACTIVITY( ACT_SQUID_DETECT_SCENT )
DECLARE_ACTIVITY( ACT_SQUID_INSPECT_FLOOR )
//=========================================================
// > SCHED_SQUID_HURTHOP
//=========================================================
DEFINE_SCHEDULE
(
SCHED_SQUID_HURTHOP,
" Tasks"
" TASK_STOP_MOVING 0"
" TASK_SOUND_WAKE 0"
" TASK_SQUID_HOPTURN 0"
" TASK_FACE_ENEMY 0"
" "
" Interrupts"
)
//=========================================================
// > SCHED_SQUID_SEECRAB
//=========================================================
DEFINE_SCHEDULE
(
SCHED_SQUID_SEECRAB,
" Tasks"
" TASK_STOP_MOVING 0"
" TASK_SOUND_WAKE 0"
" TASK_PLAY_SEQUENCE ACTIVITY:ACT_SQUID_EXCITED"
" TASK_FACE_ENEMY 0"
" "
" Interrupts"
" COND_LIGHT_DAMAGE"
" COND_HEAVY_DAMAGE"
)
//=========================================================
// > SCHED_SQUID_EAT
//=========================================================
DEFINE_SCHEDULE
(
SCHED_SQUID_EAT,
" Tasks"
" TASK_STOP_MOVING 0"
" TASK_SQUID_EAT 10"
" TASK_STORE_LASTPOSITION 0"
" TASK_GET_PATH_TO_BESTSCENT 0"
" TASK_WALK_PATH 0"
" TASK_WAIT_FOR_MOVEMENT 0"
" TASK_PLAY_SEQUENCE ACTIVITY:ACT_SQUID_EAT"
" TASK_PLAY_SEQUENCE ACTIVITY:ACT_SQUID_EAT"
" TASK_PLAY_SEQUENCE ACTIVITY:ACT_SQUID_EAT"
" TASK_SQUID_EAT 50"
" TASK_GET_PATH_TO_LASTPOSITION 0"
" TASK_WALK_PATH 0"
" TASK_WAIT_FOR_MOVEMENT 0"
" TASK_CLEAR_LASTPOSITION 0"
" "
" Interrupts"
" COND_LIGHT_DAMAGE"
" COND_HEAVY_DAMAGE"
" COND_NEW_ENEMY"
" COND_SMELL"
)
//=========================================================
// > SCHED_SQUID_SNIFF_AND_EAT
//=========================================================
DEFINE_SCHEDULE
(
SCHED_SQUID_SNIFF_AND_EAT,
" Tasks"
" TASK_STOP_MOVING 0"
" TASK_SQUID_EAT 10"
" TASK_PLAY_SEQUENCE ACTIVITY:ACT_SQUID_DETECT_SCENT"
" TASK_STORE_LASTPOSITION 0"
" TASK_GET_PATH_TO_BESTSCENT 0"
" TASK_WALK_PATH 0"
" TASK_WAIT_FOR_MOVEMENT 0"
" TASK_PLAY_SEQUENCE ACTIVITY:ACT_SQUID_EAT"
" TASK_PLAY_SEQUENCE ACTIVITY:ACT_SQUID_EAT"
" TASK_PLAY_SEQUENCE ACTIVITY:ACT_SQUID_EAT"
" TASK_SQUID_EAT 50"
" TASK_GET_PATH_TO_LASTPOSITION 0"
" TASK_WALK_PATH 0"
" TASK_WAIT_FOR_MOVEMENT 0"
" TASK_CLEAR_LASTPOSITION 0"
" "
" Interrupts"
" COND_LIGHT_DAMAGE"
" COND_HEAVY_DAMAGE"
" COND_NEW_ENEMY"
" COND_SMELL"
)
//=========================================================
// > SCHED_SQUID_WALLOW
//=========================================================
DEFINE_SCHEDULE
(
SCHED_SQUID_WALLOW,
" Tasks"
" TASK_STOP_MOVING 0"
" TASK_SQUID_EAT 10"
" TASK_STORE_LASTPOSITION 0"
" TASK_GET_PATH_TO_BESTSCENT 0"
" TASK_WALK_PATH 0"
" TASK_WAIT_FOR_MOVEMENT 0"
" TASK_PLAY_SEQUENCE ACTIVITY:ACT_SQUID_INSPECT_FLOOR"
" TASK_SQUID_EAT 50"
" TASK_GET_PATH_TO_LASTPOSITION 0"
" TASK_WALK_PATH 0"
" TASK_WAIT_FOR_MOVEMENT 0"
" TASK_CLEAR_LASTPOSITION 0"
" "
" Interrupts"
" COND_LIGHT_DAMAGE"
" COND_HEAVY_DAMAGE"
" COND_NEW_ENEMY"
)
//=========================================================
// > SCHED_SQUID_CHASE_ENEMY
//=========================================================
DEFINE_SCHEDULE
(
SCHED_SQUID_CHASE_ENEMY,
" Tasks"
" TASK_SET_FAIL_SCHEDULE SCHEDULE:SCHED_RANGE_ATTACK1"
" TASK_GET_PATH_TO_ENEMY 0"
" TASK_RUN_PATH 0"
" TASK_WAIT_FOR_MOVEMENT 0"
" "
" Interrupts"
" COND_LIGHT_DAMAGE"
" COND_HEAVY_DAMAGE"
" COND_NEW_ENEMY"
" COND_ENEMY_DEAD"
" COND_SMELL"
" COND_CAN_RANGE_ATTACK1"
" COND_CAN_MELEE_ATTACK1"
" COND_CAN_MELEE_ATTACK2"
" COND_TASK_FAILED"
)
AI_END_CUSTOM_NPC()