1 files changed, 109 insertions, 0 deletions
diff --git a/game/server/dod/grenadetrail.cpp b/game/server/dod/grenadetrail.cpp
new file mode 100644
index 0000000..a0dcc2d
--- /dev/null
+++ b/game/server/dod/grenadetrail.cpp
@@ -0,0 +1,109 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//
+//=============================================================================//
+#include "cbase.h"
+#include "grenadetrail.h"
+#include "dt_send.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#define GRENADETRAIL_ENTITYNAME		"env_grenadetrail"
+
+//-----------------------------------------------------------------------------
+//Data table
+//-----------------------------------------------------------------------------
+IMPLEMENT_SERVERCLASS_ST(CGrenadeTrail, DT_GrenadeTrail)
+	SendPropFloat(SENDINFO(m_SpawnRate), 8, 0, 1, 1024),
+	SendPropFloat(SENDINFO(m_ParticleLifetime), 16, SPROP_ROUNDUP, 0.1, 100),
+	SendPropFloat(SENDINFO(m_StopEmitTime), 0, SPROP_NOSCALE),
+	SendPropBool(SENDINFO(m_bEmit) ),
+	SendPropInt(SENDINFO(m_nAttachment), 32 ),	
+END_SEND_TABLE()
+
+
+BEGIN_DATADESC( CGrenadeTrail )
+
+	DEFINE_KEYFIELD( m_SpawnRate, FIELD_FLOAT, "spawnrate" ),
+	DEFINE_KEYFIELD( m_ParticleLifetime, FIELD_FLOAT, "lifetime" ),
+	DEFINE_FIELD( m_StopEmitTime, FIELD_TIME ),
+	DEFINE_FIELD( m_bEmit, FIELD_BOOLEAN ),
+	DEFINE_FIELD( m_nAttachment, FIELD_INTEGER ),
+
+END_DATADESC()
+
+
+LINK_ENTITY_TO_CLASS(env_grenadetrail, CGrenadeTrail);
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : 
+//-----------------------------------------------------------------------------
+CGrenadeTrail::CGrenadeTrail()
+{
+	m_SpawnRate = 10;
+	m_ParticleLifetime = 5;
+	m_StopEmitTime = 0; // Don't stop emitting particles
+	m_bEmit = true;
+	m_nAttachment	= 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose :
+// Input   :
+// Output  :
+//-----------------------------------------------------------------------------
+void CGrenadeTrail::SetEmit(bool bVal)
+{
+	m_bEmit = bVal;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Output : CGrenadeTrail*
+//-----------------------------------------------------------------------------
+CGrenadeTrail* CGrenadeTrail::CreateGrenadeTrail()
+{
+	CBaseEntity *pEnt = CreateEntityByName(GRENADETRAIL_ENTITYNAME);
+	if(pEnt)
+	{
+		CGrenadeTrail *pTrail = dynamic_cast<CGrenadeTrail*>(pEnt);
+		if(pTrail)
+		{
+			pTrail->Activate();
+			return pTrail;
+		}
+		else
+		{
+			UTIL_Remove(pEnt);
+		}
+	}
+
+	return NULL;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Attach the smoke trail to an entity or point 
+// Input  : index - entity that has the attachment
+//			attachment - point to attach to
+//-----------------------------------------------------------------------------
+void CGrenadeTrail::FollowEntity( CBaseEntity *pEntity, const char *pAttachmentName )
+{
+	// For attachments
+	if ( pAttachmentName && pEntity && pEntity->GetBaseAnimating() )
+	{
+		m_nAttachment = pEntity->GetBaseAnimating()->LookupAttachment( pAttachmentName );
+	}
+	else
+	{
+		m_nAttachment = 0;
+	}
+
+	BaseClass::FollowEntity( pEntity );
+}