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game/client/tf/tf_fx_ejectbrass.cpp

@@ -0,0 +1,109 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Game-specific impact effect hooks
+//
+//=============================================================================//
+#include "cbase.h"
+#include "c_te_effect_dispatch.h"
+#include "tempent.h"
+#include "c_te_legacytempents.h"
+#include "tf_shareddefs.h"
+#include "tf_weapon_parse.h"
+#include "econ_item_system.h"
+
+#define TE_RIFLE_SHELL 1024
+#define TE_PISTOL_SHELL 2048
+
+extern CTFWeaponInfo *GetTFWeaponInfo( int iWeapon );
+
+//-----------------------------------------------------------------------------
+// Purpose: TF Eject Brass
+//-----------------------------------------------------------------------------
+void TF_EjectBrassCallback( const CEffectData &data )
+{
+	const char *pszBrassModel = NULL;
+
+	// If we got given a definition index, see if it has a brass model override
+	if ( data.m_nDamageType )
+	{
+		CEconItemDefinition *pDef = ItemSystem()->GetStaticDataForItemByDefIndex( data.m_nDamageType );
+		if ( pDef )
+		{
+			pszBrassModel = pDef->GetBrassModelOverride();
+
+			// Allow weapon definitions to disable brass ejection
+			if ( pszBrassModel && !pszBrassModel[0] )
+				return;
+		}
+	}
+
+	// Otherwise, use the weapon default
+	if ( !pszBrassModel || !pszBrassModel[0] )
+	{
+		CTFWeaponInfo *pWeaponInfo = GetTFWeaponInfo( data.m_nHitBox );
+		if ( pWeaponInfo )
+		{
+			pszBrassModel = pWeaponInfo->m_szBrassModel;
+		}
+	}
+
+	if ( !pszBrassModel || !pszBrassModel[0] )
+		return;
+
+	Vector vForward, vRight, vUp;
+	AngleVectors( data.m_vAngles, &vForward, &vRight, &vUp );
+
+	QAngle vecShellAngles;
+	VectorAngles( -vUp, vecShellAngles );
+	
+	Vector vecVelocity = random->RandomFloat( 130, 180 ) * vForward +
+						 random->RandomFloat( -30, 30 ) * vRight +
+						 random->RandomFloat( -30, 30 ) * vUp;
+
+	float flLifeTime = 10.0f;
+
+	model_t *pModel = (model_t *)engine->LoadModel( pszBrassModel );
+	if ( !pModel )
+		return;
+	
+	int flags = FTENT_FADEOUT | FTENT_GRAVITY | FTENT_COLLIDEALL | FTENT_HITSOUND | FTENT_ROTATE;
+
+	if ( data.m_nHitBox == TF_WEAPON_MINIGUN )
+	{
+		// More velocity for Jake
+		vecVelocity = random->RandomFloat( 130, 250 ) * vForward +
+			random->RandomFloat( -100, 100 ) * vRight +
+			random->RandomFloat( -30, 80 ) * vUp;
+	}
+
+	Assert( pModel );	
+
+	C_LocalTempEntity *pTemp = tempents->SpawnTempModel( pModel, data.m_vOrigin, vecShellAngles, vecVelocity, flLifeTime, FTENT_NEVERDIE );
+	if ( pTemp == NULL )
+		return;
+
+	pTemp->m_vecTempEntAngVelocity[0] = random->RandomFloat(-512,511);
+	pTemp->m_vecTempEntAngVelocity[1] = random->RandomFloat(-255,255);
+	pTemp->m_vecTempEntAngVelocity[2] = random->RandomFloat(-255,255);
+
+	pTemp->hitSound = TE_PISTOL_SHELL;
+
+	pTemp->SetGravity( 0.4 );
+
+	pTemp->m_flSpriteScale = 10;
+
+	pTemp->flags = flags;
+
+	// don't collide with owner
+	pTemp->clientIndex = data.entindex();
+	if ( pTemp->clientIndex < 0 )
+	{
+		pTemp->clientIndex = 0;
+	}
+
+	// ::ShouldCollide decides what this collides with
+	pTemp->flags |= FTENT_COLLISIONGROUP;
+	pTemp->SetCollisionGroup( COLLISION_GROUP_DEBRIS );
+}
+
+DECLARE_CLIENT_EFFECT( "TF_EjectBrass", TF_EjectBrassCallback );