1 files changed, 72 insertions, 0 deletions
diff --git a/game/client/cstrike/fx_cs_knifeslash.cpp b/game/client/cstrike/fx_cs_knifeslash.cpp
new file mode 100644
index 0000000..107ee36
--- /dev/null
+++ b/game/client/cstrike/fx_cs_knifeslash.cpp
@@ -0,0 +1,72 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Game-specific impact effect hooks
+//
+//=============================================================================//
+#include "cbase.h"
+#include "decals.h"
+#include "iefx.h"
+#include "fx_impact.h"
+#include "tempent.h"
+#include "c_te_effect_dispatch.h"
+#include "c_te_legacytempents.h"
+
+void KnifeSlash( 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 == NULL )
+		return;
+
+	int decalNumber = decalsystem->GetDecalIndexForName( GetImpactDecal( pEntity, iMaterial, iDamageType ) );
+	if ( decalNumber == -1 )
+		return;
+
+	// vector perpendicular to the slash direction
+	// so we can align the slash decal to that
+	Vector vecPerp;
+	AngleVectors( data.m_vAngles, NULL, &vecPerp, NULL );
+
+	const ConVar *decals =cvar->FindVar( "r_decals" );
+
+	if ( decals && decals->GetInt() )
+	{
+		if ( (pEntity->entindex() == 0) && (iHitbox != 0) )
+		{
+			// Setup our shot information
+			Vector shotDir = vecOrigin - vecStart;
+			float flLength = VectorNormalize( shotDir );
+			Vector traceExt;
+			VectorMA( vecStart, flLength + 8.0f, shotDir, traceExt );
+
+			// Special case for world entity with hitbox (that's a static prop):
+			// In this case, we've hit a static prop. Decal it!
+			staticpropmgr->AddDecalToStaticProp( vecStart, traceExt, iHitbox - 1, decalNumber, true, tr );
+		}
+		else
+		{
+			effects->DecalShoot( decalNumber,
+						pEntity->entindex(),
+						pEntity->GetModel(),
+						pEntity->GetAbsOrigin(),
+						pEntity->GetAbsAngles(),
+						vecOrigin,
+						&vecPerp,
+						0 );
+		}
+		
+	}
+
+	if( Impact( vecOrigin, vecStart, iMaterial, iDamageType, iHitbox, pEntity, tr, data.m_fFlags ) )
+	{
+		// Check for custom effects based on the Decal index
+		PerformCustomEffects( vecOrigin, tr, vecShotDir, iMaterial, 1.0 );	
+	}
+}
+
+DECLARE_CLIENT_EFFECT( "KnifeSlash",		KnifeSlash );