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game/server/hl2/ar2_explosion.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "ar2_explosion.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#define AR2EXPLOSION_ENTITYNAME	"ar2explosion"
+
+
+IMPLEMENT_SERVERCLASS_ST(AR2Explosion, DT_AR2Explosion)
+	SendPropString( SENDINFO( m_szMaterialName ) ),
+END_SEND_TABLE()
+
+LINK_ENTITY_TO_CLASS(ar2explosion, AR2Explosion);
+
+
+//---------------------------------------------------------
+// Save/Restore
+//---------------------------------------------------------
+BEGIN_DATADESC( AR2Explosion )
+
+	DEFINE_AUTO_ARRAY( m_szMaterialName, FIELD_CHARACTER ),
+
+END_DATADESC()
+
+
+AR2Explosion* AR2Explosion::CreateAR2Explosion(const Vector &pos)
+{
+	CBaseEntity *pEnt = CreateEntityByName(AR2EXPLOSION_ENTITYNAME);
+	if(pEnt)
+	{
+		AR2Explosion *pEffect = dynamic_cast<AR2Explosion*>(pEnt);
+		if(pEffect && pEffect->edict())
+		{
+			pEffect->SetLocalOrigin( pos );
+			pEffect->Activate();
+			return pEffect;
+		}
+		else
+		{
+			UTIL_Remove(pEnt);
+		}
+	}
+
+	return NULL;
+}
+
+
+//-----------------------------------------------------------------------------
+// A lightweight entity for level-designer placed AR2 explosions.
+//-----------------------------------------------------------------------------
+class CEnvAR2Explosion : public CPointEntity
+{
+public:
+	DECLARE_CLASS( CEnvAR2Explosion, CPointEntity );
+
+	void Spawn( void );
+
+	// Input handlers
+	void InputExplode( inputdata_t &inputdata );
+
+	DECLARE_DATADESC();
+
+private:
+
+	string_t m_iszMaterialName;
+};
+
+
+BEGIN_DATADESC( CEnvAR2Explosion )
+	DEFINE_INPUTFUNC(FIELD_VOID, "Explode", InputExplode),
+	DEFINE_KEYFIELD(m_iszMaterialName, FIELD_STRING, "material"),
+END_DATADESC()
+
+LINK_ENTITY_TO_CLASS( env_ar2explosion, CEnvAR2Explosion );
+
+
+//-----------------------------------------------------------------------------
+// Purpose: So you can see where this function begins and the last one ends.
+//-----------------------------------------------------------------------------
+void CEnvAR2Explosion::Spawn( void )
+{ 
+	Precache();
+
+	SetSolid( SOLID_NONE );
+	AddEffects( EF_NODRAW );
+
+	SetMoveType( MOVETYPE_NONE );
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Creates the explosion effect.
+//-----------------------------------------------------------------------------
+void CEnvAR2Explosion::InputExplode( inputdata_t &inputdata )
+{
+	AR2Explosion *pExplosion = AR2Explosion::CreateAR2Explosion(GetAbsOrigin());
+	if (pExplosion)
+	{
+		pExplosion->SetLifetime( 10 );
+		if (m_iszMaterialName != NULL_STRING)
+		{
+			pExplosion->SetMaterialName(STRING(m_iszMaterialName));
+		}
+	}
+}