First version of the SOurce SDK 2013

1 files changed, 207 insertions, 0 deletions

diff --git a/mp/src/game/server/EntityParticleTrail.cpp b/mp/src/game/server/EntityParticleTrail.cpp
new file mode 100644
index 00000000..b8ef20e3
--- /dev/null
+++ b/mp/src/game/server/EntityParticleTrail.cpp
@@ -0,0 +1,207 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//

+//

+// Purpose: Drops particles where the entity was.

+//

+//=============================================================================//

+

+#include "cbase.h"

+#include "EntityParticleTrail.h"

+#include "networkstringtable_gamedll.h"

+

+// memdbgon must be the last include file in a .cpp file!!!

+#include "tier0/memdbgon.h"

+

+//-----------------------------------------------------------------------------

+// Used to retire the entity

+//-----------------------------------------------------------------------------

+static const char *s_pRetireContext = "RetireContext";

+

+

+//-----------------------------------------------------------------------------

+// Save/load 

+//-----------------------------------------------------------------------------

+BEGIN_DATADESC( CEntityParticleTrail )

+

+	DEFINE_FIELD( m_iMaterialName, FIELD_MATERIALINDEX ),

+	DEFINE_EMBEDDED( m_Info ),

+	DEFINE_FIELD( m_hConstraintEntity, FIELD_EHANDLE ),

+

+	// Think this should be handled by StartTouch/etc.

+//	DEFINE_FIELD( m_nRefCount, FIELD_INTEGER ),

+

+END_DATADESC()

+

+

+//-----------------------------------------------------------------------------

+// Networking

+//-----------------------------------------------------------------------------

+IMPLEMENT_SERVERCLASS_ST( CEntityParticleTrail, DT_EntityParticleTrail )

+	SendPropInt(SENDINFO(m_iMaterialName), MAX_MATERIAL_STRING_BITS, SPROP_UNSIGNED ),

+	SendPropDataTable( SENDINFO_DT( m_Info ), &REFERENCE_SEND_TABLE( DT_EntityParticleTrailInfo ) ),

+	SendPropEHandle(SENDINFO(m_hConstraintEntity)),

+END_SEND_TABLE()

+

+

+LINK_ENTITY_TO_CLASS( env_particle_trail, CEntityParticleTrail );

+

+

+//-----------------------------------------------------------------------------

+// Purpose: Creates a flame and attaches it to a target entity.

+// Input  : pTarget - 

+//-----------------------------------------------------------------------------

+CEntityParticleTrail *CEntityParticleTrail::Create( CBaseEntity *pTarget, const EntityParticleTrailInfo_t &info, CBaseEntity *pConstraintEntity )

+{

+	int iMaterialName = GetMaterialIndex( STRING(info.m_strMaterialName) );

+

+	// Look for other particle trails on the entity + copy state to the new entity

+	CEntityParticleTrail *pTrail;

+	CBaseEntity *pNext;

+	for ( CBaseEntity *pChild = pTarget->FirstMoveChild(); pChild; pChild = pNext )

+	{

+		pNext = pChild->NextMovePeer();

+		pTrail = dynamic_cast<CEntityParticleTrail*>(pChild);

+		if ( pTrail && (pTrail->m_iMaterialName == iMaterialName) )

+		{

+			// Prevent destruction if it re-enters the field

+			pTrail->IncrementRefCount();

+			return pTrail;

+		}

+	}

+

+	pTrail = (CEntityParticleTrail *)CreateEntityByName( "env_particle_trail" );

+	if ( pTrail == NULL )

+		return NULL;

+

+	pTrail->m_hConstraintEntity = pConstraintEntity;

+	pTrail->m_iMaterialName = iMaterialName;

+	pTrail->m_Info.CopyFrom(info);

+	pTrail->m_nRefCount = 1;

+	pTrail->AttachToEntity( pTarget );

+	pTrail->Spawn();

+	return pTrail;

+}

+

+

+//-----------------------------------------------------------------------------

+// Spawn

+//-----------------------------------------------------------------------------

+void CEntityParticleTrail::Spawn()

+{

+	BaseClass::Spawn();

+

+	/*

+	SetThink( &CEntityParticleTrail::BoogieThink );

+	SetNextThink( gpGlobals->curtime + 0.01f );

+

+	if ( HasSpawnFlags( SF_RAGDOLL_BOOGIE_ELECTRICAL ) )

+	{

+		SetContextThink( ZapThink, gpGlobals->curtime + random->RandomFloat( 0.1f, 0.3f ), s_pZapContext ); 

+	}

+	*/

+}

+

+

+//-----------------------------------------------------------------------------

+// Spawn

+//-----------------------------------------------------------------------------

+void CEntityParticleTrail::UpdateOnRemove()

+{

+	g_pNotify->ClearEntity( this );

+

+	BaseClass::UpdateOnRemove();

+}

+

+

+//-----------------------------------------------------------------------------

+// Force our constraint entity to be trasmitted

+//-----------------------------------------------------------------------------

+void CEntityParticleTrail::SetTransmit( CCheckTransmitInfo *pInfo, bool bAlways )

+{

+	// Are we already marked for transmission?

+	if ( pInfo->m_pTransmitEdict->Get( entindex() ) )

+		return;

+

+	BaseClass::SetTransmit( pInfo, bAlways );

+	

+	// Force our constraint entity to be sent too.

+	if ( m_hConstraintEntity )

+	{

+		m_hConstraintEntity->SetTransmit( pInfo, bAlways );

+	}

+}

+

+

+//-----------------------------------------------------------------------------

+// Retire

+//-----------------------------------------------------------------------------

+void CEntityParticleTrail::IncrementRefCount()

+{

+	if ( m_nRefCount == 0 )

+	{

+		SetContextThink( NULL, gpGlobals->curtime, s_pRetireContext );

+	}

+	++m_nRefCount;

+}

+

+void CEntityParticleTrail::DecrementRefCount()

+{

+	--m_nRefCount;

+	Assert( m_nRefCount >= 0 );

+	if ( m_nRefCount == 0 )

+	{

+		FollowEntity( NULL );

+		g_pNotify->ClearEntity( this );

+		SetContextThink( &CEntityParticleTrail::SUB_Remove, gpGlobals->curtime + m_Info.m_flLifetime, s_pRetireContext );

+	}

+}

+

+

+//-----------------------------------------------------------------------------

+// Clean up when the entity goes away.

+//-----------------------------------------------------------------------------

+void CEntityParticleTrail::NotifySystemEvent( CBaseEntity *pNotify, notify_system_event_t eventType, const notify_system_event_params_t &params )

+{

+	BaseClass::NotifySystemEvent( pNotify, eventType, params );

+	Assert( pNotify == GetMoveParent() );

+	if ( eventType == NOTIFY_EVENT_DESTROY )

+	{

+		FollowEntity( NULL );

+		g_pNotify->ClearEntity( this );

+		if ( m_nRefCount != 0 )

+		{

+			m_nRefCount = 0;

+			SetContextThink( &CEntityParticleTrail::SUB_Remove, gpGlobals->curtime + m_Info.m_flLifetime, s_pRetireContext );

+		}

+	}

+}

+

+

+//-----------------------------------------------------------------------------

+// Suppression count

+//-----------------------------------------------------------------------------

+void CEntityParticleTrail::Destroy( CBaseEntity *pTarget, const EntityParticleTrailInfo_t &info )

+{

+	int iMaterialName = GetMaterialIndex( STRING(info.m_strMaterialName) );

+

+	// Look for the particle trail attached to this entity + decrease refcount

+	CBaseEntity *pNext;

+	for ( CBaseEntity *pChild = pTarget->FirstMoveChild(); pChild; pChild = pNext )

+	{

+		pNext = pChild->NextMovePeer();

+		CEntityParticleTrail *pTrail = dynamic_cast<CEntityParticleTrail*>(pChild);

+		if ( !pTrail || (pTrail->m_iMaterialName != iMaterialName) )

+			continue;

+

+		pTrail->DecrementRefCount();

+	}

+}

+

+

+//-----------------------------------------------------------------------------

+// Attach to an entity

+//-----------------------------------------------------------------------------

+void CEntityParticleTrail::AttachToEntity( CBaseEntity *pTarget )

+{

+	FollowEntity( pTarget );

+	g_pNotify->AddEntity( this, pTarget );

+}