Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose: This is the soldier version of the combine, analogous to the HL1 grunt.
//
//=============================================================================//
#include "cbase.h"
#include "ai_hull.h"
#include "ai_motor.h"
#include "npc_combines.h"
#include "bitstring.h"
#include "engine/IEngineSound.h"
#include "soundent.h"
#include "ndebugoverlay.h"
#include "npcevent.h"
#include "hl2/hl2_player.h"
#include "game.h"
#include "ammodef.h"
#include "explode.h"
#include "ai_memory.h"
#include "Sprite.h"
#include "soundenvelope.h"
#include "weapon_physcannon.h"
#include "hl2_gamerules.h"
#include "gameweaponmanager.h"
#include "vehicle_base.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
ConVar sk_combine_s_health( "sk_combine_s_health","0");
ConVar sk_combine_s_kick( "sk_combine_s_kick","0");
ConVar sk_combine_guard_health( "sk_combine_guard_health", "0");
ConVar sk_combine_guard_kick( "sk_combine_guard_kick", "0");
// Whether or not the combine guard should spawn health on death
ConVar combine_guard_spawn_health( "combine_guard_spawn_health", "1" );
extern ConVar sk_plr_dmg_buckshot;
extern ConVar sk_plr_num_shotgun_pellets;
//Whether or not the combine should spawn health on death
ConVar combine_spawn_health( "combine_spawn_health", "1" );
LINK_ENTITY_TO_CLASS( npc_combine_s, CNPC_CombineS );
#define AE_SOLDIER_BLOCK_PHYSICS 20 // trying to block an incoming physics object
extern Activity ACT_WALK_EASY;
extern Activity ACT_WALK_MARCH;
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
void CNPC_CombineS::Spawn( void )
{
Precache();
SetModel( STRING( GetModelName() ) );
if( IsElite() )
{
// Stronger, tougher.
SetHealth( sk_combine_guard_health.GetFloat() );
SetMaxHealth( sk_combine_guard_health.GetFloat() );
SetKickDamage( sk_combine_guard_kick.GetFloat() );
}
else
{
SetHealth( sk_combine_s_health.GetFloat() );
SetMaxHealth( sk_combine_s_health.GetFloat() );
SetKickDamage( sk_combine_s_kick.GetFloat() );
}
CapabilitiesAdd( bits_CAP_ANIMATEDFACE );
CapabilitiesAdd( bits_CAP_MOVE_SHOOT );
CapabilitiesAdd( bits_CAP_DOORS_GROUP );
BaseClass::Spawn();
#if HL2_EPISODIC
if (m_iUseMarch && !HasSpawnFlags(SF_NPC_START_EFFICIENT))
{
Msg( "Soldier %s is set to use march anim, but is not an efficient AI. The blended march anim can only be used for dead-ahead walks!\n", GetDebugName() );
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
void CNPC_CombineS::Precache()
{
const char *pModelName = STRING( GetModelName() );
if( !Q_stricmp( pModelName, "models/combine_super_soldier.mdl" ) )
{
m_fIsElite = true;
}
else
{
m_fIsElite = false;
}
if( !GetModelName() )
{
SetModelName( MAKE_STRING( "models/combine_soldier.mdl" ) );
}
PrecacheModel( STRING( GetModelName() ) );
UTIL_PrecacheOther( "item_healthvial" );
UTIL_PrecacheOther( "weapon_frag" );
UTIL_PrecacheOther( "item_ammo_ar2_altfire" );
BaseClass::Precache();
}
void CNPC_CombineS::DeathSound( const CTakeDamageInfo &info )
{
// NOTE: The response system deals with this at the moment
if ( GetFlags() & FL_DISSOLVING )
return;
GetSentences()->Speak( "COMBINE_DIE", SENTENCE_PRIORITY_INVALID, SENTENCE_CRITERIA_ALWAYS );
}
//-----------------------------------------------------------------------------
// Purpose: Soldiers use CAN_RANGE_ATTACK2 to indicate whether they can throw
// a grenade. Because they check only every half-second or so, this
// condition must persist until it is updated again by the code
// that determines whether a grenade can be thrown, so prevent the
// base class from clearing it out. (sjb)
//-----------------------------------------------------------------------------
void CNPC_CombineS::ClearAttackConditions( )
{
bool fCanRangeAttack2 = HasCondition( COND_CAN_RANGE_ATTACK2 );
// Call the base class.
BaseClass::ClearAttackConditions();
if( fCanRangeAttack2 )
{
// We don't allow the base class to clear this condition because we
// don't sense for it every frame.
SetCondition( COND_CAN_RANGE_ATTACK2 );
}
}
void CNPC_CombineS::PrescheduleThink( void )
{
/*//FIXME: This doesn't need to be in here, it's all debug info
if( HasCondition( COND_HEAR_PHYSICS_DANGER ) )
{
// Don't react unless we see the item!!
CSound *pSound = NULL;
pSound = GetLoudestSoundOfType( SOUND_PHYSICS_DANGER );
if( pSound )
{
if( FInViewCone( pSound->GetSoundReactOrigin() ) )
{
DevMsg( "OH CRAP!\n" );
NDebugOverlay::Line( EyePosition(), pSound->GetSoundReactOrigin(), 0, 0, 255, false, 2.0f );
}
}
}
*/
BaseClass::PrescheduleThink();
}
//-----------------------------------------------------------------------------
// Purpose: Allows for modification of the interrupt mask for the current schedule.
// In the most cases the base implementation should be called first.
//-----------------------------------------------------------------------------
void CNPC_CombineS::BuildScheduleTestBits( void )
{
//Interrupt any schedule with physics danger (as long as I'm not moving or already trying to block)
if ( m_flGroundSpeed == 0.0 && !IsCurSchedule( SCHED_FLINCH_PHYSICS ) )
{
SetCustomInterruptCondition( COND_HEAR_PHYSICS_DANGER );
}
BaseClass::BuildScheduleTestBits();
}
//-----------------------------------------------------------------------------
// Purpose:
// Input :
// Output :
//-----------------------------------------------------------------------------
int CNPC_CombineS::SelectSchedule ( void )
{
return BaseClass::SelectSchedule();
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
float CNPC_CombineS::GetHitgroupDamageMultiplier( int iHitGroup, const CTakeDamageInfo &info )
{
switch( iHitGroup )
{
case HITGROUP_HEAD:
{
// Soldiers take double headshot damage
return 2.0f;
}
}
return BaseClass::GetHitgroupDamageMultiplier( iHitGroup, info );
}
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
void CNPC_CombineS::HandleAnimEvent( animevent_t *pEvent )
{
switch( pEvent->event )
{
case AE_SOLDIER_BLOCK_PHYSICS:
DevMsg( "BLOCKING!\n" );
m_fIsBlocking = true;
break;
default:
BaseClass::HandleAnimEvent( pEvent );
break;
}
}
void CNPC_CombineS::OnChangeActivity( Activity eNewActivity )
{
// Any new sequence stops us blocking.
m_fIsBlocking = false;
BaseClass::OnChangeActivity( eNewActivity );
#if HL2_EPISODIC
// Give each trooper a varied look for his march. Done here because if you do it earlier (eg Spawn, StartTask), the
// pose param gets overwritten.
if (m_iUseMarch)
{
SetPoseParameter("casual", RandomFloat());
}
#endif
}
void CNPC_CombineS::OnListened()
{
BaseClass::OnListened();
if ( HasCondition( COND_HEAR_DANGER ) && HasCondition( COND_HEAR_PHYSICS_DANGER ) )
{
if ( HasInterruptCondition( COND_HEAR_DANGER ) )
{
ClearCondition( COND_HEAR_PHYSICS_DANGER );
}
}
// debugging to find missed schedules
#if 0
if ( HasCondition( COND_HEAR_DANGER ) && !HasInterruptCondition( COND_HEAR_DANGER ) )
{
DevMsg("Ignore danger in %s\n", GetCurSchedule()->GetName() );
}
#endif
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &info -
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
void CNPC_CombineS::Event_Killed( const CTakeDamageInfo &info )
{
// Don't bother if we've been told not to, or the player has a megaphyscannon
if ( combine_spawn_health.GetBool() == false || PlayerHasMegaPhysCannon() )
{
BaseClass::Event_Killed( info );
return;
}
CBasePlayer *pPlayer = ToBasePlayer( info.GetAttacker() );
if ( !pPlayer )
{
CPropVehicleDriveable *pVehicle = dynamic_cast<CPropVehicleDriveable *>( info.GetAttacker() ) ;
if ( pVehicle && pVehicle->GetDriver() && pVehicle->GetDriver()->IsPlayer() )
{
pPlayer = assert_cast<CBasePlayer *>( pVehicle->GetDriver() );
}
}
if ( pPlayer != NULL )
{
// Elites drop alt-fire ammo, so long as they weren't killed by dissolving.
if( IsElite() )
{
#ifdef HL2_EPISODIC
if ( HasSpawnFlags( SF_COMBINE_NO_AR2DROP ) == false )
#endif
{
CBaseEntity *pItem = DropItem( "item_ammo_ar2_altfire", WorldSpaceCenter()+RandomVector(-4,4), RandomAngle(0,360) );
if ( pItem )
{
IPhysicsObject *pObj = pItem->VPhysicsGetObject();
if ( pObj )
{
Vector vel = RandomVector( -64.0f, 64.0f );
AngularImpulse angImp = RandomAngularImpulse( -300.0f, 300.0f );
vel[2] = 0.0f;
pObj->AddVelocity( &vel, &angImp );
}
if( info.GetDamageType() & DMG_DISSOLVE )
{
CBaseAnimating *pAnimating = dynamic_cast<CBaseAnimating*>(pItem);
if( pAnimating )
{
pAnimating->Dissolve( NULL, gpGlobals->curtime, false, ENTITY_DISSOLVE_NORMAL );
}
}
else
{
WeaponManager_AddManaged( pItem );
}
}
}
}
CHalfLife2 *pHL2GameRules = static_cast<CHalfLife2 *>(g_pGameRules);
// Attempt to drop health
if ( pHL2GameRules->NPC_ShouldDropHealth( pPlayer ) )
{
DropItem( "item_healthvial", WorldSpaceCenter()+RandomVector(-4,4), RandomAngle(0,360) );
pHL2GameRules->NPC_DroppedHealth();
}
if ( HasSpawnFlags( SF_COMBINE_NO_GRENADEDROP ) == false )
{
// Attempt to drop a grenade
if ( pHL2GameRules->NPC_ShouldDropGrenade( pPlayer ) )
{
DropItem( "weapon_frag", WorldSpaceCenter()+RandomVector(-4,4), RandomAngle(0,360) );
pHL2GameRules->NPC_DroppedGrenade();
}
}
}
BaseClass::Event_Killed( info );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &info -
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CNPC_CombineS::IsLightDamage( const CTakeDamageInfo &info )
{
return BaseClass::IsLightDamage( info );
}
//-----------------------------------------------------------------------------
// Purpose:
// Input : &info -
// Output : Returns true on success, false on failure.
//-----------------------------------------------------------------------------
bool CNPC_CombineS::IsHeavyDamage( const CTakeDamageInfo &info )
{
// Combine considers AR2 fire to be heavy damage
if ( info.GetAmmoType() == GetAmmoDef()->Index("AR2") )
return true;
// 357 rounds are heavy damage
if ( info.GetAmmoType() == GetAmmoDef()->Index("357") )
return true;
// Shotgun blasts where at least half the pellets hit me are heavy damage
if ( info.GetDamageType() & DMG_BUCKSHOT )
{
int iHalfMax = sk_plr_dmg_buckshot.GetFloat() * sk_plr_num_shotgun_pellets.GetInt() * 0.5;
if ( info.GetDamage() >= iHalfMax )
return true;
}
// Rollermine shocks
if( (info.GetDamageType() & DMG_SHOCK) && hl2_episodic.GetBool() )
{
return true;
}
return BaseClass::IsHeavyDamage( info );
}
#if HL2_EPISODIC
//-----------------------------------------------------------------------------
// Purpose: Translate base class activities into combot activites
//-----------------------------------------------------------------------------
Activity CNPC_CombineS::NPC_TranslateActivity( Activity eNewActivity )
{
// If the special ep2_outland_05 "use march" flag is set, use the more casual marching anim.
if ( m_iUseMarch && eNewActivity == ACT_WALK )
{
eNewActivity = ACT_WALK_MARCH;
}
return BaseClass::NPC_TranslateActivity( eNewActivity );
}
//---------------------------------------------------------
// Save/Restore
//---------------------------------------------------------
BEGIN_DATADESC( CNPC_CombineS )
DEFINE_KEYFIELD( m_iUseMarch, FIELD_INTEGER, "usemarch" ),
END_DATADESC()
#endif