add hl1,portal,dod source code

game/server/dod/grenadetrail.h

@@ -0,0 +1,31 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+#ifndef GRENADE_TRAIL_H
+#define GRENADE_TRAIL_H
+
+#include "baseparticleentity.h"
+
+//==================================================
+// SmokeTrail
+//==================================================
+
+class CGrenadeTrail : public CBaseParticleEntity
+{
+	DECLARE_DATADESC();
+public:
+	DECLARE_CLASS( CGrenadeTrail, CBaseParticleEntity );
+	DECLARE_SERVERCLASS();
+
+	CGrenadeTrail();
+	void					SetEmit(bool bVal);
+	void					FollowEntity( CBaseEntity *pEntity, const char *pAttachmentName = NULL);
+	static	CGrenadeTrail*	CreateGrenadeTrail();
+
+public:
+	CNetworkVar( float, m_SpawnRate );			// How many particles per second.
+	CNetworkVar( float, m_ParticleLifetime );		// How long do the particles live?
+	CNetworkVar( bool,  m_bEmit );
+	CNetworkVar( float, m_StopEmitTime );			// When do I stop emitting particles?
+	CNetworkVar( int,   m_nAttachment );
+};
+
+#endif //GRENADE_TRAIL_H