1HEADmaster

1 files changed, 185 insertions, 0 deletions

diff --git a/game/client/dod/fx_dod_impact.cpp b/game/client/dod/fx_dod_impact.cpp
new file mode 100644
index 0000000..29de5cb
--- /dev/null
+++ b/game/client/dod/fx_dod_impact.cpp
@@ -0,0 +1,185 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Game-specific impact effect hooks
+//
+//=============================================================================//
+#include "cbase.h"
+#include "fx_impact.h"
+#include "engine/IEngineSound.h"
+
+#include "decals.h"
+#include "IEffects.h"
+#include "fx.h"
+#include "c_impact_effects.h"
+#include "fx_fleck.h"
+
+//-----------------------------------------------------------------------------
+// This does the actual debris flecks
+//-----------------------------------------------------------------------------
+#define	FLECK_MIN_SPEED		64.0f
+#define	FLECK_MAX_SPEED		128.0f
+#define	FLECK_GRAVITY		800.0f
+#define	FLECK_DAMPEN		0.3f
+#define	FLECK_ANGULAR_SPRAY	0.6f
+
+static void FX_Flecks( const Vector& origin, trace_t *trace, char materialType, int iScale )
+{
+	Vector	color;
+	GetColorForSurface( trace, &color );
+
+	Vector	spawnOffset	= trace->endpos + ( trace->plane.normal * 1.0f );
+
+	CSmartPtr<CFleckParticles> fleckEmitter = CFleckParticles::Create( "FX_DebrisFlecks", spawnOffset, Vector(5,5,5) );
+
+	if ( !fleckEmitter )
+		return;
+
+	// Handle increased scale
+	float flMaxSpeed = FLECK_MAX_SPEED * iScale;
+	float flAngularSpray = MAX( 0.2, FLECK_ANGULAR_SPRAY - ( (float)iScale * 0.2f) ); // More power makes the spray more controlled
+
+	// Setup our collision information
+	fleckEmitter->m_ParticleCollision.Setup( spawnOffset, &trace->plane.normal, flAngularSpray, FLECK_MIN_SPEED, flMaxSpeed, FLECK_GRAVITY, FLECK_DAMPEN );
+
+	PMaterialHandle	*hMaterial;
+
+	switch ( materialType )
+	{
+	case CHAR_TEX_WOOD:
+		hMaterial = g_Mat_Fleck_Wood;
+		break;
+
+	case CHAR_TEX_CONCRETE:
+	case CHAR_TEX_TILE:
+	default:
+		hMaterial = g_Mat_Fleck_Cement;
+		break;
+	}
+
+	Vector	dir, end;
+
+	float	colorRamp;
+
+	int	numFlecks = random->RandomInt( 4, 16 ) * iScale;
+
+	FleckParticle	*pFleckParticle;
+
+	//Dump out flecks
+	int i;
+	for ( i = 0; i < numFlecks; i++ )
+	{
+		pFleckParticle = (FleckParticle *) fleckEmitter->AddParticle( sizeof(FleckParticle), hMaterial[random->RandomInt(0,1)], spawnOffset );
+
+		if ( pFleckParticle == NULL )
+			break;
+
+		pFleckParticle->m_flLifetime	= 0.0f;
+		pFleckParticle->m_flDieTime		= 3.0f;
+
+		dir[0] = trace->plane.normal[0] + random->RandomFloat( -flAngularSpray, flAngularSpray );
+		dir[1] = trace->plane.normal[1] + random->RandomFloat( -flAngularSpray, flAngularSpray );
+		dir[2] = trace->plane.normal[2] + random->RandomFloat( -flAngularSpray, flAngularSpray );
+
+		pFleckParticle->m_uchSize		= random->RandomInt( 1, 2 );
+
+		pFleckParticle->m_vecVelocity	= dir * ( random->RandomFloat( FLECK_MIN_SPEED, flMaxSpeed) * ( 3 - pFleckParticle->m_uchSize ) );
+
+		pFleckParticle->m_flRoll		= random->RandomFloat( 0, 360 );
+		pFleckParticle->m_flRollDelta	= random->RandomFloat( 0, 360 );
+
+		colorRamp = random->RandomFloat( 0.75f, 1.25f );
+
+		pFleckParticle->m_uchColor[0] = MIN( 1.0f, color[0]*colorRamp )*255.0f;
+		pFleckParticle->m_uchColor[1] = MIN( 1.0f, color[1]*colorRamp )*255.0f;
+		pFleckParticle->m_uchColor[2] = MIN( 1.0f, color[2]*colorRamp )*255.0f;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Perform custom effects based on the Decal index
+//-----------------------------------------------------------------------------
+void DOD_PerformCustomEffects( const Vector &vecOrigin, trace_t &tr, const Vector &shotDir, int iMaterial, float flScale )
+{
+	// Throw out the effect if any of these are true
+	if ( tr.surface.flags & (SURF_SKY|SURF_NODRAW|SURF_HINT|SURF_SKIP) )
+		return;
+
+	int iScale = (int)flScale;
+	if ( iScale < 1 )
+		iScale = 1;
+
+	// Cement and wood have dust and flecks
+	if ( ( iMaterial == CHAR_TEX_CONCRETE ) ||
+		( iMaterial == CHAR_TEX_TILE ) ||
+		( iMaterial == CHAR_TEX_WOOD ) )
+	{
+		FX_Flecks( vecOrigin, &tr, iMaterial, iScale );
+		FX_DustImpact( vecOrigin, &tr, flScale );
+	}
+	else if ( ( iMaterial == CHAR_TEX_DIRT ) || ( iMaterial == CHAR_TEX_SAND ) )
+	{
+		FX_DustImpact( vecOrigin, &tr, flScale );
+	}
+	else if ( ( iMaterial == CHAR_TEX_METAL ) || ( iMaterial == CHAR_TEX_VENT ) )
+	{
+		Vector	reflect;
+		float	dot = shotDir.Dot( tr.plane.normal );
+		reflect = shotDir + ( tr.plane.normal * ( dot*-2.0f ) );
+
+		reflect[0] += random->RandomFloat( -0.2f, 0.2f );
+		reflect[1] += random->RandomFloat( -0.2f, 0.2f );
+		reflect[2] += random->RandomFloat( -0.2f, 0.2f );
+
+		FX_MetalSpark( vecOrigin, reflect, tr.plane.normal, iScale );
+	}
+	else if ( iMaterial == CHAR_TEX_COMPUTER )
+	{
+		Vector	offset = vecOrigin + ( tr.plane.normal * 1.0f );
+
+		g_pEffects->Sparks( offset );
+	}
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Handle weapon impacts
+//-----------------------------------------------------------------------------
+void ImpactCallback( 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 )
+		return;
+
+	// If we hit, perform our custom effects and play the sound
+	if ( Impact( vecOrigin, vecStart, iMaterial, iDamageType, iHitbox, pEntity, tr ) )
+	{
+		float flScale = 0.75f;
+		C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
+
+		if ( pPlayer )
+		{
+			float flDistSqr = (vecOrigin - pPlayer->GetAbsOrigin()).LengthSqr();
+
+			flScale = RemapValClamped( flDistSqr, (400*400), (1000*1000), 0.8, 1.2 );
+		}		
+
+		// Check for custom effects based on the Decal index
+		DOD_PerformCustomEffects( vecOrigin, tr, vecShotDir, iMaterial, flScale );
+		PlayImpactSound( pEntity, tr, vecOrigin, nSurfaceProp );
+
+		//Play a ricochet sound some of the time
+		if( random->RandomInt(1,10) <= 3 && (iDamageType == DMG_BULLET) )
+		{
+			CLocalPlayerFilter filter;
+			C_BaseEntity::EmitSound( filter, SOUND_FROM_WORLD, "Bounce.Shrapnel", &vecOrigin );
+		}
+	}
+}
+
+DECLARE_CLIENT_EFFECT( "Impact", ImpactCallback );