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1 files changed, 275 insertions, 0 deletions

diff --git a/game/client/hl2/fx_hl2_impacts.cpp b/game/client/hl2/fx_hl2_impacts.cpp
new file mode 100644
index 0000000..ac75b85
--- /dev/null
+++ b/game/client/hl2/fx_hl2_impacts.cpp
@@ -0,0 +1,275 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Game-specific impact effect hooks
+//
+//=============================================================================//
+#include "cbase.h"
+#include "fx_impact.h"
+#include "fx.h"
+#include "decals.h"
+#include "fx_quad.h"
+#include "fx_sparks.h"
+
+#include "tier0/vprof.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Handle jeep impacts
+//-----------------------------------------------------------------------------
+void ImpactJeepCallback( const CEffectData &data )
+{
+	trace_t tr;
+	Vector vecOrigin, vecStart, vecShotDir;
+	int iMaterial, iDamageType, iHitbox;
+	short nSurfaceProp;
+	C_BaseEntity *pEntity = ParseImpactData( data, &vecOrigin, &vecStart, &vecShotDir, nSurfaceProp, iMaterial, iDamageType, iHitbox );
+
+	if ( !pEntity )
+	{
+		// This happens for impacts that occur on an object that's then destroyed.
+		// Clear out the fraction so it uses the server's data
+		tr.fraction = 1.0;
+		PlayImpactSound( pEntity, tr, vecOrigin, nSurfaceProp );
+		return;
+	}
+
+	// If we hit, perform our custom effects and play the sound
+	if ( Impact( vecOrigin, vecStart, iMaterial, iDamageType, iHitbox, pEntity, tr ) )
+	{
+		// Check for custom effects based on the Decal index
+		PerformCustomEffects( vecOrigin, tr, vecShotDir, iMaterial, 2 );
+	}
+
+	PlayImpactSound( pEntity, tr, vecOrigin, nSurfaceProp );
+}
+
+DECLARE_CLIENT_EFFECT( "ImpactJeep", ImpactJeepCallback );
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Handle gauss impacts
+//-----------------------------------------------------------------------------
+void ImpactGaussCallback( const CEffectData &data )
+{
+	trace_t tr;
+	Vector vecOrigin, vecStart, vecShotDir;
+	int iMaterial, iDamageType, iHitbox;
+	short nSurfaceProp;
+	C_BaseEntity *pEntity = ParseImpactData( data, &vecOrigin, &vecStart, &vecShotDir, nSurfaceProp, iMaterial, iDamageType, iHitbox );
+
+	if ( !pEntity )
+	{
+		// This happens for impacts that occur on an object that's then destroyed.
+		// Clear out the fraction so it uses the server's data
+		tr.fraction = 1.0;
+		PlayImpactSound( pEntity, tr, vecOrigin, nSurfaceProp );
+		return;
+	}
+
+	// If we hit, perform our custom effects and play the sound
+	if ( Impact( vecOrigin, vecStart, iMaterial, iDamageType, iHitbox, pEntity, tr ) )
+	{
+		// Check for custom effects based on the Decal index
+		PerformCustomEffects( vecOrigin, tr, vecShotDir, iMaterial, 2 );
+	}
+
+	PlayImpactSound( pEntity, tr, vecOrigin, nSurfaceProp );
+}
+
+DECLARE_CLIENT_EFFECT( "ImpactGauss", ImpactGaussCallback );
+
+//-----------------------------------------------------------------------------
+// Purpose: Handle weapon impacts
+//-----------------------------------------------------------------------------
+void ImpactCallback( const CEffectData &data )
+{
+	VPROF_BUDGET( "ImpactCallback", VPROF_BUDGETGROUP_PARTICLE_RENDERING );
+
+	trace_t tr;
+	Vector vecOrigin, vecStart, vecShotDir;
+	int iMaterial, iDamageType, iHitbox;
+	short nSurfaceProp;
+	C_BaseEntity *pEntity = ParseImpactData( data, &vecOrigin, &vecStart, &vecShotDir, nSurfaceProp, iMaterial, iDamageType, iHitbox );
+
+	if ( !pEntity )
+	{
+		// This happens for impacts that occur on an object that's then destroyed.
+		// Clear out the fraction so it uses the server's data
+		tr.fraction = 1.0;
+		PlayImpactSound( pEntity, tr, vecOrigin, nSurfaceProp );
+		return;
+	}
+
+	// If we hit, perform our custom effects and play the sound
+	if ( Impact( vecOrigin, vecStart, iMaterial, iDamageType, iHitbox, pEntity, tr ) )
+	{
+		// Check for custom effects based on the Decal index
+		PerformCustomEffects( vecOrigin, tr, vecShotDir, iMaterial, 1.0 );
+	}
+
+	PlayImpactSound( pEntity, tr, vecOrigin, nSurfaceProp );
+}
+
+DECLARE_CLIENT_EFFECT( "Impact", ImpactCallback );
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : &origin - 
+//			&normal - 
+//			scale - 
+//-----------------------------------------------------------------------------
+void FX_AirboatGunImpact( const Vector &origin, const Vector &normal, float scale )
+{
+#ifdef _XBOX
+
+	Vector offset = origin + ( normal * 1.0f );
+
+	CSmartPtr<CTrailParticles> sparkEmitter = CTrailParticles::Create( "FX_MetalSpark 1" );
+
+	if ( sparkEmitter == NULL )
+		return;
+
+	//Setup our information
+	sparkEmitter->SetSortOrigin( offset );
+	sparkEmitter->SetFlag( bitsPARTICLE_TRAIL_VELOCITY_DAMPEN );
+	sparkEmitter->SetVelocityDampen( 8.0f );
+	sparkEmitter->SetGravity( 800.0f );
+	sparkEmitter->SetCollisionDamped( 0.25f );
+	sparkEmitter->GetBinding().SetBBox( offset - Vector( 32, 32, 32 ), offset + Vector( 32, 32, 32 ) );
+
+	int	numSparks = random->RandomInt( 4, 8 );
+
+	TrailParticle	*pParticle;
+	PMaterialHandle	hMaterial = sparkEmitter->GetPMaterial( "effects/spark" );
+	Vector			dir;
+
+	float	length	= 0.1f;
+
+	//Dump out sparks
+	for ( int i = 0; i < numSparks; i++ )
+	{
+		pParticle = (TrailParticle *) sparkEmitter->AddParticle( sizeof(TrailParticle), hMaterial, offset );
+
+		if ( pParticle == NULL )
+			return;
+
+		pParticle->m_flLifetime	= 0.0f;
+		pParticle->m_flDieTime	= random->RandomFloat( 0.05f, 0.1f );
+
+		float	spreadOfs = random->RandomFloat( 0.0f, 2.0f );
+
+		dir[0] = normal[0] + random->RandomFloat( -(0.5f*spreadOfs), (0.5f*spreadOfs) );
+		dir[1] = normal[1] + random->RandomFloat( -(0.5f*spreadOfs), (0.5f*spreadOfs) );
+		dir[2] = normal[2] + random->RandomFloat( -(0.5f*spreadOfs), (0.5f*spreadOfs) );
+
+		VectorNormalize( dir );
+
+		pParticle->m_flWidth		= random->RandomFloat( 1.0f, 4.0f );
+		pParticle->m_flLength		= random->RandomFloat( length*0.25f, length );
+
+		pParticle->m_vecVelocity	= dir * random->RandomFloat( (128.0f*(2.0f-spreadOfs)), (512.0f*(2.0f-spreadOfs)) );
+
+		Color32Init( pParticle->m_color, 255, 255, 255, 255 );
+	}
+
+#else
+
+	// Normal metal spark
+	FX_MetalSpark( origin, normal, normal, (int) scale );
+
+#endif // _XBOX
+
+	// Add a quad to highlite the hit point
+	FX_AddQuad( origin, 
+				normal, 
+				random->RandomFloat( 16, 32 ),
+				random->RandomFloat( 32, 48 ),
+				0.75f, 
+				1.0f,
+				0.0f,
+				0.4f,
+				random->RandomInt( 0, 360 ), 
+				0,
+				Vector( 1.0f, 1.0f, 1.0f ), 
+				0.05f, 
+				"effects/combinemuzzle2_nocull",
+				(FXQUAD_BIAS_SCALE|FXQUAD_BIAS_ALPHA) );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Handle weapon impacts from the airboat gun shooting (cheaper versions)
+//-----------------------------------------------------------------------------
+void ImpactAirboatGunCallback( const CEffectData &data )
+{
+	VPROF_BUDGET( "ImpactAirboatGunCallback", VPROF_BUDGETGROUP_PARTICLE_RENDERING );
+
+	trace_t tr;
+	Vector vecOrigin, vecStart, vecShotDir;
+	int iMaterial, iDamageType, iHitbox;
+	short nSurfaceProp;
+	C_BaseEntity *pEntity = ParseImpactData( data, &vecOrigin, &vecStart, &vecShotDir, nSurfaceProp, iMaterial, iDamageType, iHitbox );
+
+	if ( !pEntity )
+	{
+		// This happens for impacts that occur on an object that's then destroyed.
+		// Clear out the fraction so it uses the server's data
+		tr.fraction = 1.0;
+		PlayImpactSound( pEntity, tr, vecOrigin, nSurfaceProp );
+		return;
+	}
+
+#if !defined( _XBOX )
+	// If we hit, perform our custom effects and play the sound. Don't create decals
+	if ( Impact( vecOrigin, vecStart, iMaterial, iDamageType, iHitbox, pEntity, tr, IMPACT_NODECAL | IMPACT_REPORT_RAGDOLL_IMPACTS ) )
+	{
+		FX_AirboatGunImpact( vecOrigin, tr.plane.normal, 2 );
+	}
+#else
+	FX_AirboatGunImpact( vecOrigin, tr.plane.normal, 1 );
+#endif
+}
+
+DECLARE_CLIENT_EFFECT( "AirboatGunImpact", ImpactAirboatGunCallback );
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Handle weapon impacts from the helicopter shooting (cheaper versions)
+//-----------------------------------------------------------------------------
+void ImpactHelicopterCallback( const CEffectData &data )
+{
+	VPROF_BUDGET( "ImpactHelicopterCallback", VPROF_BUDGETGROUP_PARTICLE_RENDERING );
+
+	trace_t tr;
+	Vector vecOrigin, vecStart, vecShotDir;
+	int iMaterial, iDamageType, iHitbox;
+	short nSurfaceProp;
+	C_BaseEntity *pEntity = ParseImpactData( data, &vecOrigin, &vecStart, &vecShotDir, nSurfaceProp, iMaterial, iDamageType, iHitbox );
+
+	if ( !pEntity )
+	{
+		// This happens for impacts that occur on an object that's then destroyed.
+		// Clear out the fraction so it uses the server's data
+		tr.fraction = 1.0;
+		PlayImpactSound( pEntity, tr, vecOrigin, nSurfaceProp );
+		return;
+	}
+
+	// If we hit, perform our custom effects and play the sound. Don't create decals
+	if ( Impact( vecOrigin, vecStart, iMaterial, iDamageType, iHitbox, pEntity, tr, IMPACT_NODECAL | IMPACT_REPORT_RAGDOLL_IMPACTS ) )
+	{
+		FX_AirboatGunImpact( vecOrigin, tr.plane.normal, IsXbox() ? 1 : 2 );
+
+		// Only do metal + computer custom effects
+		if ( (iMaterial == CHAR_TEX_METAL) || (iMaterial == CHAR_TEX_COMPUTER) )
+		{
+			PerformCustomEffects( vecOrigin, tr, vecShotDir, iMaterial, 1.0, FLAGS_CUSTIOM_EFFECTS_NOFLECKS );
+		}
+	}
+
+	PlayImpactSound( pEntity, tr, vecOrigin, nSurfaceProp );
+}
+
+DECLARE_CLIENT_EFFECT( "HelicopterImpact", ImpactHelicopterCallback );
+