Added original SDK code for Alien Swarm.

2025-09-20 04:26:03 +08:00 · 2010-07-22 01:46:14 -05:00
commit c0a96ff1e8
3740 changed files with 1243478 additions and 0 deletions
--- a/game/server/EntityParticleTrail.cpp
+++ b/game/server/EntityParticleTrail.cpp
@ -0,0 +1,207 @@
+//========= Copyright <20> 1996-2005, 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 );
+}