1HEADmaster

1 files changed, 952 insertions, 0 deletions

diff --git a/game/client/portal/c_prop_portal.cpp b/game/client/portal/c_prop_portal.cpp
new file mode 100644
index 0000000..7ca3812
--- /dev/null
+++ b/game/client/portal/c_prop_portal.cpp
@@ -0,0 +1,952 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//===========================================================================//
+
+#include "cbase.h"
+#include "c_prop_portal.h"
+#include "portal_shareddefs.h"
+#include "clientsideeffects.h"
+#include "tier0/vprof.h"
+#include "materialsystem/itexture.h"
+#include "hud_macros.h"
+#include "igamesystem.h"
+#include "view.h"						// For MainViewOrigin()
+#include "clientleafsystem.h"			// For finding the leaves our portals are in
+#include "portal_render_targets.h"		// Access to static references to Portal-specific render textures
+#include "toolframework/itoolframework.h"
+#include "toolframework_client.h"
+#include "tier1/KeyValues.h"
+#include "rendertexture.h"
+#include "prop_portal_shared.h"
+#include "particles_new.h"
+
+#include "c_portal_player.h"
+
+#include "c_pixel_visibility.h"
+
+#include "glow_overlay.h"
+
+#include "dlight.h"
+#include "iefx.h"
+
+#include "simple_keys.h"
+
+#ifdef _DEBUG
+#include "filesystem.h"
+#endif
+
+#include "debugoverlay_shared.h"
+
+
+LINK_ENTITY_TO_CLASS( prop_portal, C_Prop_Portal );
+
+IMPLEMENT_CLIENTCLASS_DT( C_Prop_Portal, DT_Prop_Portal, CProp_Portal )
+	RecvPropEHandle( RECVINFO(m_hLinkedPortal) ),
+	RecvPropBool( RECVINFO(m_bActivated) ),
+	RecvPropBool( RECVINFO(m_bIsPortal2) ),
+END_RECV_TABLE()
+
+
+void __MsgFunc_EntityPortalled(bf_read &msg)
+{
+	long iEncodedEHandle;
+	int iEntity, iSerialNum;
+
+
+	//grab portal EHANDLE
+	iEncodedEHandle = msg.ReadLong();
+
+	if( iEncodedEHandle == INVALID_NETWORKED_EHANDLE_VALUE )
+		return;
+
+	iEntity = iEncodedEHandle & ((1 << MAX_EDICT_BITS) - 1);
+	iSerialNum = iEncodedEHandle >> MAX_EDICT_BITS;
+
+	EHANDLE hPortal( iEntity, iSerialNum );
+	C_Prop_Portal *pPortal = ( C_Prop_Portal *)(hPortal.Get());
+
+	if( pPortal == NULL )
+		return;
+
+
+
+	//grab other entity's EHANDLE
+
+	iEncodedEHandle = msg.ReadLong();
+
+	if( iEncodedEHandle == INVALID_NETWORKED_EHANDLE_VALUE )
+		return;	
+
+	iEntity = iEncodedEHandle & ((1 << MAX_EDICT_BITS) - 1);
+	iSerialNum = iEncodedEHandle >> MAX_EDICT_BITS;
+
+	EHANDLE hEntity( iEntity, iSerialNum );
+	C_BaseEntity *pEntity = hEntity.Get();
+	if( pEntity == NULL )
+		return;
+
+
+
+	bool bIsPlayer = pEntity->IsPlayer();
+
+	Vector ptNewPosition;
+	ptNewPosition.x = msg.ReadFloat();
+	ptNewPosition.y = msg.ReadFloat();
+	ptNewPosition.z = msg.ReadFloat();
+	QAngle qNewAngles;
+	qNewAngles.x = msg.ReadFloat();
+	qNewAngles.y = msg.ReadFloat();
+	qNewAngles.z = msg.ReadFloat();
+
+	Vector vecOldInterpolatedPos;
+	QAngle qaOldInterpolatedRot;
+	if ( pEntity->IsToolRecording() )
+	{
+		vecOldInterpolatedPos = pEntity->GetOriginInterpolator().GetCurrent();
+		qaOldInterpolatedRot = pEntity->GetRotationInterpolator().GetCurrent();
+	}
+
+	pEntity->AddEFlags( EFL_DIRTY_ABSTRANSFORM );
+
+	VMatrix matTransform = pPortal->MatrixThisToLinked();
+	//VMatrix matInvTransform = pPortal->m_hLinkedPortal->MatrixThisToLinked();
+
+	CInterpolatedVar< QAngle > &rotInterp = pEntity->GetRotationInterpolator();
+	CInterpolatedVar< Vector > &posInterp = pEntity->GetOriginInterpolator();
+
+	Vector ptCurrentPosition = posInterp.GetCurrent();
+	Vector ptInvCurrentPosition = matTransform * ptCurrentPosition;
+	bool bAlreadyTeleported = ((ptCurrentPosition - ptNewPosition).LengthSqr() < (ptInvCurrentPosition - ptNewPosition).LengthSqr()); //newest network update closer to destination than transformed to destination indicates it's already been transformed
+
+
+	UTIL_TransformInterpolatedAngle( rotInterp, matTransform.As3x4(), bAlreadyTeleported );
+
+	if( bIsPlayer ) //the player's origin != player's center, transforms are performed about centers
+	{
+		VMatrix matShiftOrigin;
+		matShiftOrigin.Identity();
+		Vector vTranslate( 0.0f, 0.0f, 36.0f );
+		matShiftOrigin.SetTranslation( vTranslate );
+		matTransform = matTransform * matShiftOrigin;
+		vTranslate = -vTranslate;
+		matShiftOrigin.SetTranslation( vTranslate );
+		matTransform = matShiftOrigin * matTransform;
+	}
+
+	UTIL_TransformInterpolatedPosition( posInterp, matTransform, bAlreadyTeleported );
+
+
+	if( bIsPlayer )
+		((C_Portal_Player *)pEntity)->PlayerPortalled( pPortal );
+
+	if ( pEntity->IsToolRecording() )
+	{
+		static EntityTeleportedRecordingState_t state;
+
+		KeyValues *msg = new KeyValues( "entity_teleported" );
+		msg->SetPtr( "state", &state );
+		state.m_bTeleported = true;
+		state.m_bViewOverride = false;
+		state.m_vecTo = ptNewPosition;
+		state.m_qaTo = qNewAngles;
+		state.m_teleportMatrix = matTransform.As3x4();
+
+		// Post a message back to all IToolSystems
+		Assert( (int)pEntity->GetToolHandle() != 0 );
+		ToolFramework_PostToolMessage( pEntity->GetToolHandle(), msg );
+
+		msg->deleteThis();
+	}
+}
+
+static ConVar portal_demohack( "portal_demohack", "0", FCVAR_ARCHIVE, "Do the demo_legacy_rollback setting to help during demo playback of going through portals." );
+
+class C_PortalInitHelper : public CAutoGameSystem
+{
+	virtual bool Init()
+	{
+		//HOOK_MESSAGE( PlayerPortalled );
+		HOOK_MESSAGE( EntityPortalled );
+		if ( portal_demohack.GetBool() )
+		{
+			ConVarRef demo_legacy_rollback_ref( "demo_legacy_rollback" );
+			demo_legacy_rollback_ref.SetValue( false ); //Portal demos are wrong if the eyes rollback as far as regular demos
+		}
+		// However, there are probably bugs with this when jump ducking, etc.
+		return true;
+	}
+};
+static C_PortalInitHelper s_PortalInitHelper;
+
+
+
+C_Prop_Portal::C_Prop_Portal( void )
+{
+	TransformedLighting.m_LightShadowHandle = CLIENTSHADOW_INVALID_HANDLE;
+	CProp_Portal_Shared::AllPortals.AddToTail( this );
+}
+
+C_Prop_Portal::~C_Prop_Portal( void )
+{
+	CProp_Portal_Shared::AllPortals.FindAndRemove( this );
+	g_pPortalRender->RemovePortal( this );
+
+	for( int i = m_GhostRenderables.Count(); --i >= 0; )
+	{
+		delete m_GhostRenderables[i];
+	}
+	m_GhostRenderables.RemoveAll();
+}
+
+void C_Prop_Portal::Spawn( void )
+{
+	SetThink( &C_Prop_Portal::ClientThink );
+	SetNextClientThink( CLIENT_THINK_ALWAYS );
+
+	m_matrixThisToLinked.Identity(); //don't accidentally teleport objects to zero space
+	BaseClass::Spawn();
+}
+
+void C_Prop_Portal::Activate( void )
+{
+	BaseClass::Activate();
+}
+
+void C_Prop_Portal::ClientThink( void )
+{
+	bool bDidAnything = false;
+	if( m_fStaticAmount > 0.0f )
+	{
+		m_fStaticAmount -= gpGlobals->absoluteframetime;
+		if( m_fStaticAmount < 0.0f ) 
+			m_fStaticAmount = 0.0f;
+
+		bDidAnything = true;
+	}
+	if( m_fSecondaryStaticAmount > 0.0f )
+	{
+		m_fSecondaryStaticAmount -= gpGlobals->absoluteframetime;
+		if( m_fSecondaryStaticAmount < 0.0f ) 
+			m_fSecondaryStaticAmount = 0.0f;
+
+		bDidAnything = true;
+	}
+
+	if( m_fOpenAmount < 1.0f )
+	{
+		m_fOpenAmount += gpGlobals->absoluteframetime * 2.0f;
+		if( m_fOpenAmount > 1.0f ) 
+			m_fOpenAmount = 1.0f;
+
+		bDidAnything = true;
+	}
+
+	if( bDidAnything == false )
+	{
+		SetNextClientThink( CLIENT_THINK_NEVER );
+	}
+}
+
+void C_Prop_Portal::Simulate()
+{
+	BaseClass::Simulate();
+
+	//clear list of ghosted entities from last frame, and clear the clipping planes we put on them
+	for( int i = m_hGhostingEntities.Count(); --i >= 0; )
+	{
+		C_BaseEntity *pEntity = m_hGhostingEntities[i].Get();
+
+		if( pEntity != NULL )
+			pEntity->m_bEnableRenderingClipPlane = false;
+	}
+	m_hGhostingEntities.RemoveAll();
+
+
+	if( !IsActivedAndLinked() )
+	{
+		//remove all ghost renderables
+		for( int i = m_GhostRenderables.Count(); --i >= 0; )
+		{
+			delete m_GhostRenderables[i];
+		}
+		
+		m_GhostRenderables.RemoveAll();
+
+		return;
+	}
+
+
+
+	//Find objects that are intersecting the portal and mark them for later replication on the remote portal's side
+	C_Portal_Player *pLocalPlayer = C_Portal_Player::GetLocalPlayer();
+	C_BaseViewModel *pLocalPlayerViewModel = pLocalPlayer->GetViewModel();
+
+	CBaseEntity *pEntsNearPortal[1024];
+	int iEntsNearPortal = UTIL_EntitiesInSphere( pEntsNearPortal, 1024, GetNetworkOrigin(), PORTAL_HALF_HEIGHT, 0, PARTITION_CLIENT_NON_STATIC_EDICTS );
+
+	if( iEntsNearPortal != 0 )
+	{
+		float fClipPlane[4];
+		fClipPlane[0] = m_plane_Origin.normal.x;
+		fClipPlane[1] = m_plane_Origin.normal.y;
+		fClipPlane[2] = m_plane_Origin.normal.z;
+		fClipPlane[3] = m_plane_Origin.dist - 0.3f;
+
+		for( int i = 0; i != iEntsNearPortal; ++i )
+		{
+			CBaseEntity *pEntity = pEntsNearPortal[i];
+			Assert( pEntity != NULL );
+
+			bool bIsMovable = false;
+
+			C_BaseEntity *pMoveEntity = pEntity;
+			MoveType_t moveType = MOVETYPE_NONE;
+
+			//unmoveables and doors can never get halfway in the portal
+			while ( pMoveEntity )
+			{
+				moveType = pMoveEntity->GetMoveType();
+
+				if ( !( moveType == MOVETYPE_NONE || moveType == MOVETYPE_PUSH ) )
+				{
+					bIsMovable = true;
+					pMoveEntity = NULL;
+				}
+				else
+					pMoveEntity = pMoveEntity->GetMoveParent();
+			}
+
+			if ( !bIsMovable )
+				continue;
+
+			Assert( dynamic_cast<C_Prop_Portal *>(pEntity) == NULL ); //should have been killed with (pEntity->GetMoveType() == MOVETYPE_NONE) check. Infinite recursion is infinitely bad.
+
+			if( pEntity == pLocalPlayerViewModel )
+				continue; //avoid ghosting view models
+
+			bool bActivePlayerWeapon = false;
+
+			C_BaseCombatWeapon *pWeapon = dynamic_cast<C_BaseCombatWeapon*>( pEntity );
+			if ( pWeapon )
+			{
+				C_Portal_Player *pPortalPlayer = ToPortalPlayer( pWeapon->GetOwner() );
+				if ( pPortalPlayer ) 
+				{
+					if ( pPortalPlayer->GetActiveWeapon() != pWeapon )
+						continue; // don't ghost player owned non selected weapons
+					else
+						bActivePlayerWeapon = true;
+				}
+			}
+
+			Vector ptEntCenter = pEntity->WorldSpaceCenter();
+			if( bActivePlayerWeapon )
+				ptEntCenter = pWeapon->GetOwner()->WorldSpaceCenter();
+
+			if( (m_plane_Origin.normal.Dot( ptEntCenter ) - m_plane_Origin.dist) < -5.0f )
+				continue; //entity is behind the portal, most likely behind the wall the portal is placed on
+
+			if( !CProp_Portal_Shared::IsEntityTeleportable( pEntity ) )
+				continue;
+
+			if ( bActivePlayerWeapon )
+			{
+				if( !m_PortalSimulator.EntityHitBoxExtentIsInPortalHole( pWeapon->GetOwner() ) && 
+					!m_PortalSimulator.EntityHitBoxExtentIsInPortalHole( pWeapon ) )
+					continue;
+			}
+			else if( pEntity->IsPlayer() )
+			{
+				if( !m_PortalSimulator.EntityHitBoxExtentIsInPortalHole( (C_BaseAnimating*)pEntity ) )
+					continue;
+			}
+			else
+			{
+				if( !m_PortalSimulator.EntityIsInPortalHole( pEntity ) )
+					continue;
+			}
+
+			pEntity->m_bEnableRenderingClipPlane = true;
+			memcpy( pEntity->m_fRenderingClipPlane, fClipPlane, sizeof( float ) * 4 );
+
+			EHANDLE hEnt = pEntity;
+			m_hGhostingEntities.AddToTail( hEnt );
+		}
+	}
+
+	//now, fix up our list of ghosted renderables.
+	{
+		bool *bStillInUse = (bool *)stackalloc( sizeof( bool ) * (m_GhostRenderables.Count() + m_hGhostingEntities.Count()) );
+		memset( bStillInUse, 0, sizeof( bool ) * (m_GhostRenderables.Count() + m_hGhostingEntities.Count()) );
+
+		for( int i = m_hGhostingEntities.Count(); --i >= 0; )
+		{
+			C_BaseEntity *pRenderable = m_hGhostingEntities[i].Get();
+
+			int j;
+			for( j = m_GhostRenderables.Count(); --j >= 0; )
+			{
+				if( pRenderable == m_GhostRenderables[j]->m_pGhostedRenderable )
+				{
+					bStillInUse[j] = true;
+					m_GhostRenderables[j]->PerFrameUpdate();
+					break;
+				}
+			}
+			
+			if ( j >= 0 )
+				continue;
+
+			//newly added
+			C_BaseEntity *pEntity = m_hGhostingEntities[i];
+
+			bool bIsHeldWeapon = false;
+			C_BaseCombatWeapon *pWeapon = dynamic_cast<C_BaseCombatWeapon*>( pEntity );
+			if ( pWeapon && ToPortalPlayer( pWeapon->GetOwner() ) )
+				bIsHeldWeapon = true;
+
+			C_PortalGhostRenderable *pNewGhost = new C_PortalGhostRenderable( this,
+																				pRenderable, 
+																				pEntity->GetRenderGroup(), 
+																				m_matrixThisToLinked, 
+																				m_fGhostRenderablesClip,
+																				(pEntity == pLocalPlayer || bIsHeldWeapon) );
+			Assert( pNewGhost );
+
+			bStillInUse[ m_GhostRenderables.AddToTail( pNewGhost ) ] = true;
+			pNewGhost->PerFrameUpdate();
+
+			// HACK - I just copied the CClientTools::OnEntityCreated code here,
+			// since the ghosts aren't really entities - they don't have an entindex,
+			// they're not in the entitylist, and they get created during Simulate(),
+			// which isn't valid for real entities, since it changes the simulate list
+			// -jd
+			if ( ToolsEnabled() && clienttools->IsInRecordingMode() )
+			{
+				// Send deletion message to tool interface
+				KeyValues *kv = new KeyValues( "created" );
+				HTOOLHANDLE h = clienttools->AttachToEntity( pNewGhost );
+				ToolFramework_PostToolMessage( h, kv );
+
+				kv->deleteThis();
+			}
+		}
+
+		//remove unused ghosts
+		for ( int i = m_GhostRenderables.Count(); --i >= 0; )
+		{
+			if ( bStillInUse[i] )
+				continue;
+
+			// HACK - I just copied the CClientTools::OnEntityDeleted code here,
+			// since the ghosts aren't really entities - they don't have an entindex,
+			// they're not in the entitylist, and they get created during Simulate(),
+			// which isn't valid for real entities, since it changes the simulate list
+			// -jd
+			C_PortalGhostRenderable *pGhost = m_GhostRenderables[i];
+			if ( ToolsEnabled() )
+			{
+				HTOOLHANDLE handle = pGhost ? pGhost->GetToolHandle() : (HTOOLHANDLE)0;
+				if ( handle != (HTOOLHANDLE)0 )
+				{
+					if ( clienttools->IsInRecordingMode() )
+					{
+						// Send deletion message to tool interface
+						KeyValues *kv = new KeyValues( "deleted" );
+						ToolFramework_PostToolMessage( handle, kv );
+						kv->deleteThis();
+					}
+
+					clienttools->DetachFromEntity( pGhost );
+				}
+			}
+
+			delete pGhost;
+			m_GhostRenderables.FastRemove( i );
+		}
+	}
+
+	//ensure the shared clip plane is up to date
+	C_Prop_Portal *pLinkedPortal = m_hLinkedPortal.Get();
+
+	m_fGhostRenderablesClip[0] = pLinkedPortal->m_plane_Origin.normal.x;
+	m_fGhostRenderablesClip[1] = pLinkedPortal->m_plane_Origin.normal.y;
+	m_fGhostRenderablesClip[2] = pLinkedPortal->m_plane_Origin.normal.z;
+	m_fGhostRenderablesClip[3] = pLinkedPortal->m_plane_Origin.dist - 0.75f;
+}
+
+void C_Prop_Portal::UpdateOnRemove( void )
+{
+	if( TransformedLighting.m_LightShadowHandle != CLIENTSHADOW_INVALID_HANDLE )
+	{
+		g_pClientShadowMgr->DestroyFlashlight( TransformedLighting.m_LightShadowHandle );
+		TransformedLighting.m_LightShadowHandle = CLIENTSHADOW_INVALID_HANDLE;
+	}
+
+	g_pPortalRender->RemovePortal( this );
+
+	BaseClass::UpdateOnRemove();
+}
+
+void C_Prop_Portal::OnNewParticleEffect( const char *pszParticleName, CNewParticleEffect *pNewParticleEffect )
+{
+	if ( Q_stricmp( pszParticleName, "portal_1_overlap" ) == 0 || Q_stricmp( pszParticleName, "portal_2_overlap" ) == 0 )
+	{
+		float fClosestDistanceSqr = -1.0f;
+		Vector vClosestPosition;
+
+		int iPortalCount = CProp_Portal_Shared::AllPortals.Count();
+		if( iPortalCount != 0 )
+		{
+			CProp_Portal **pPortals = CProp_Portal_Shared::AllPortals.Base();
+			for( int i = 0; i != iPortalCount; ++i )
+			{
+				CProp_Portal *pTempPortal = pPortals[i];
+				if ( pTempPortal != this && pTempPortal->m_bActivated )
+				{
+					Vector vPosition = pTempPortal->GetAbsOrigin();
+
+					float fDistanceSqr = pNewParticleEffect->GetRenderOrigin().DistToSqr( vPosition );
+
+					if ( fClosestDistanceSqr == -1.0f || fClosestDistanceSqr > fDistanceSqr )
+					{
+						fClosestDistanceSqr = fDistanceSqr;
+						vClosestPosition = vPosition;
+					}
+				}
+			}
+		}
+
+		if ( fClosestDistanceSqr != -1.0f )
+		{
+			pNewParticleEffect->SetControlPoint( 1, vClosestPosition );
+		}
+	}
+}
+
+void C_Prop_Portal::OnPreDataChanged( DataUpdateType_t updateType )
+{
+	//PreDataChanged.m_matrixThisToLinked = m_matrixThisToLinked;
+	PreDataChanged.m_bIsPortal2 = m_bIsPortal2;
+	PreDataChanged.m_bActivated = m_bActivated;
+	PreDataChanged.m_vOrigin = GetNetworkOrigin();
+	PreDataChanged.m_qAngles = GetNetworkAngles();
+	PreDataChanged.m_hLinkedTo = m_hLinkedPortal.Get();
+
+	BaseClass::OnPreDataChanged( updateType );
+}
+
+//ConVar r_portal_light_innerangle( "r_portal_light_innerangle", "90.0", FCVAR_CLIENTDLL );
+//ConVar r_portal_light_outerangle( "r_portal_light_outerangle", "90.0", FCVAR_CLIENTDLL );
+//ConVar r_portal_light_forward( "r_portal_light_forward", "0.0", FCVAR_CLIENTDLL );
+
+void C_Prop_Portal::OnDataChanged( DataUpdateType_t updateType )
+{
+	C_Prop_Portal *pRemote = m_hLinkedPortal;
+	m_pLinkedPortal = pRemote;
+	GetVectors( &m_vForward, &m_vRight, &m_vUp );
+	m_ptOrigin = GetNetworkOrigin();
+
+	bool bPortalMoved = ( (PreDataChanged.m_vOrigin != m_ptOrigin ) ||
+						(PreDataChanged.m_qAngles != GetNetworkAngles()) || 
+						(PreDataChanged.m_bActivated == false) ||
+						(PreDataChanged.m_bIsPortal2 != m_bIsPortal2) );
+
+	bool bNewLinkage = ( (PreDataChanged.m_hLinkedTo.Get() != m_hLinkedPortal.Get()) );
+	if( bNewLinkage )
+		m_PortalSimulator.DetachFromLinked(); //detach now so moves are theoretically faster
+
+	if( m_bActivated )
+	{
+		//generic stuff we'll need
+		Vector vRemoteUp, vRemoteRight, vRemoteForward, ptRemoteOrigin;
+		if( pRemote )
+		{
+			pRemote->GetVectors( &vRemoteForward, &vRemoteRight, &vRemoteUp );
+			ptRemoteOrigin = pRemote->GetNetworkOrigin();
+		}
+		g_pPortalRender->AddPortal( this ); //will know if we're already added and avoid adding twice
+		 
+		if( bPortalMoved )
+		{			
+			Vector ptForwardOrigin = m_ptOrigin + m_vForward;// * 3.0f;
+			Vector vScaledRight = m_vRight * (PORTAL_HALF_WIDTH * 0.95f);
+			Vector vScaledUp = m_vUp * (PORTAL_HALF_HEIGHT  * 0.95f);
+
+			m_PortalSimulator.MoveTo( GetNetworkOrigin(), GetNetworkAngles() );
+
+			//update our associated portal environment
+			//CPortal_PhysicsEnvironmentMgr::CreateEnvironment( this );
+
+			m_fOpenAmount = 0.0f;
+			//m_fStaticAmount = 1.0f; // This will cause the portal we are opening to show the static effect
+			SetNextClientThink( CLIENT_THINK_ALWAYS ); //we need this to help open up
+
+			//add static to the remote
+			if( pRemote )
+			{
+				pRemote->m_fStaticAmount = 1.0f; // This will cause the other portal to show the static effect
+				pRemote->SetNextClientThink( CLIENT_THINK_ALWAYS );
+			}
+
+			dlight_t *pFakeLight = NULL;
+			ClientShadowHandle_t ShadowHandle = CLIENTSHADOW_INVALID_HANDLE;
+			if( pRemote )
+			{
+				pFakeLight = pRemote->TransformedLighting.m_pEntityLight;
+				ShadowHandle = pRemote->TransformedLighting.m_LightShadowHandle;
+				AssertMsg( (ShadowHandle == CLIENTSHADOW_INVALID_HANDLE) || (TransformedLighting.m_LightShadowHandle == CLIENTSHADOW_INVALID_HANDLE), "Two shadow handles found, should only have one shared handle" );
+				AssertMsg( (pFakeLight == NULL) || (TransformedLighting.m_pEntityLight == NULL), "two lights found, should only have one shared light" );
+				pRemote->TransformedLighting.m_pEntityLight = NULL;
+				pRemote->TransformedLighting.m_LightShadowHandle = CLIENTSHADOW_INVALID_HANDLE;
+			}
+
+			if( TransformedLighting.m_pEntityLight )
+			{
+				pFakeLight = TransformedLighting.m_pEntityLight;
+				TransformedLighting.m_pEntityLight = NULL;
+			}
+
+			if( TransformedLighting.m_LightShadowHandle != CLIENTSHADOW_INVALID_HANDLE )
+			{
+				ShadowHandle = TransformedLighting.m_LightShadowHandle;
+				TransformedLighting.m_LightShadowHandle = CLIENTSHADOW_INVALID_HANDLE;
+			}
+
+			
+
+
+			if( pFakeLight != NULL )
+			{
+				//turn off the light so it doesn't interfere with absorbed light calculations
+				pFakeLight->color.r = 0;
+				pFakeLight->color.g = 0;
+				pFakeLight->color.b = 0;
+				pFakeLight->flags = DLIGHT_NO_WORLD_ILLUMINATION | DLIGHT_NO_MODEL_ILLUMINATION;
+				pFakeLight->radius = 0.0f;
+				render->TouchLight( pFakeLight );
+			}
+
+			if( pRemote ) //now, see if we need to fake light coming through a portal
+			{
+#if 0
+				Vector vLightAtRemotePortal( vec3_origin ), vLightAtLocalPortal( vec3_origin );
+
+				if( pRemote ) //get lighting at remote portal
+				{
+					engine->ComputeLighting( ptRemoteOrigin, NULL, false, vLightAtRemotePortal, NULL );
+				}
+
+				//now get lighting at the local portal
+				{
+					engine->ComputeLighting( ptOrigin, NULL, false, vLightAtLocalPortal, NULL );
+				}
+
+				//Vector vLightDiff = vLightAtLocalPortal - vLightAtRemotePortal;
+				//if( vLightDiff.Length() > 0.6f ) //a significant difference in lighting, remember that the light vectors are NOT normalized in length
+				{
+					//time to fake some light coming through the greater intensity portal to the lower intensity
+					
+					//are we transferring light from the local portal to the remote?
+					bool bLocalToRemote = (vLightAtLocalPortal.Length() > vLightAtRemotePortal.Length());					
+
+					Vector ptLightOrigin, vLightForward, vColor, vClampedColor;
+					float fColorScale;
+					{
+						if( bLocalToRemote )
+						{
+							vColor = vLightAtLocalPortal;
+							vLightForward = vRemoteForward;
+							ptLightOrigin = ptRemoteOrigin;
+						}
+						else
+						{
+							vColor = vLightAtRemotePortal;
+							vLightForward = vForward;
+							ptLightOrigin = ptOrigin;
+						}
+
+						//clamp color values
+						fColorScale = vColor.x;
+						if( vColor.y > fColorScale )
+							fColorScale = vColor.y;
+						if( vColor.z > fColorScale )
+							fColorScale = vColor.z;
+
+						if( fColorScale > 1.0f )
+							vClampedColor = vColor * (1.0f / fColorScale);
+						else
+							vClampedColor = vColor;
+						
+						/*if( vColor.x < 0.0f ) 
+							vColor.x = 0.0f;
+						if( vColor.x > 1.0f ) 
+							vColor.x = 1.0f;
+
+						if( vColor.y < 0.0f ) 
+							vColor.y = 0.0f;
+						if( vColor.y > 1.0f ) 
+							vColor.y = 1.0f;
+
+						if( vColor.z < 0.0f ) 
+							vColor.z = 0.0f;
+						if( vColor.z > 1.0f ) 
+							vColor.z = 1.0f;*/
+					}
+
+
+					if( pFakeLight == NULL )
+						pFakeLight = effects->CL_AllocElight( 0 ); //is there a difference between DLight and ELight when only lighting ents?
+
+					if( pFakeLight != NULL ) //be absolutely sure that light allocation hasn't failed
+					{
+						if( bLocalToRemote )
+						{
+							//local light is greater, fake at remote portal
+							pRemote->TransformedLighting.m_pEntityLight = pFakeLight;
+							pFakeLight->key = pRemote->index;							
+						}
+						else
+						{
+							//remote light is greater, fake at local portal
+							TransformedLighting.m_pEntityLight = pFakeLight;
+							pFakeLight->key = index;					
+						}
+
+						pFakeLight->die = gpGlobals->curtime + 1e10;
+						pFakeLight->flags = DLIGHT_NO_WORLD_ILLUMINATION;
+						pFakeLight->minlight = 0.0f;
+						pFakeLight->radius = 500.0f;
+						pFakeLight->m_InnerAngle = 0.0f; //r_portal_light_innerangle.GetFloat();
+						pFakeLight->m_OuterAngle = 120.0f; //r_portal_light_outerangle.GetFloat();
+						pFakeLight->style = 0;
+						
+						pFakeLight->origin = ptLightOrigin;
+						pFakeLight->m_Direction = vLightForward;
+
+						pFakeLight->color.r = vClampedColor.x * 255;
+						pFakeLight->color.g = vClampedColor.y * 255;
+						pFakeLight->color.b = vClampedColor.z * 255;
+						pFakeLight->color.exponent = ((signed int)(((*((unsigned int *)(&fColorScale))) & 0x7F800000) >> 23)) - 125; //strip the exponent from our maximum color
+						//if( pFakeLight->color.exponent < 4 )
+						//	pFakeLight->color.exponent = 4;
+
+						render->TouchLight( pFakeLight );
+					}
+
+					FlashlightState_t state;
+					{
+						state.m_NearZ = 4.0f;
+						state.m_FarZ = 500.0f;
+						state.m_nSpotlightTextureFrame = 0;
+						state.m_pSpotlightTexture = PortalDrawingMaterials::PortalLightTransfer_ShadowTexture;
+						state.m_fConstantAtten = 0.0f;
+						state.m_fLinearAtten = 500.0f;
+						state.m_fQuadraticAtten = 0.0f;			
+						state.m_fHorizontalFOVDegrees = 120.0f;
+						state.m_fVerticalFOVDegrees = 120.0f;
+
+						state.m_bEnableShadows = false;
+						state.m_vecLightOrigin = ptLightOrigin;
+
+						Vector vLightRight, vLightUp( 0.0f, 0.0f, 1.0f );
+						if( fabs( DotProduct( vLightUp, vLightForward ) ) > 0.99f )
+							vLightUp.Init( 0.0f, 1.0f, 0.0f );	// Don't want vLightUp and vLightForward to be parallel
+
+						CrossProduct( vLightUp, vLightForward, vLightRight );
+						VectorNormalize( vLightRight );
+						CrossProduct( vLightForward, vLightRight, vLightUp );
+						VectorNormalize( vLightUp );
+
+						BasisToQuaternion( vLightForward, vLightRight, vLightUp, state.m_quatOrientation );
+
+						state.m_Color[0] = vColor.x * 0.35f;
+						state.m_Color[1] = vColor.y * 0.35f;
+						state.m_Color[2] = vColor.z * 0.35f;
+						state.m_Color[3] = 1.0f;
+					}
+
+					if( ShadowHandle != CLIENTSHADOW_INVALID_HANDLE )
+					{
+						g_pClientShadowMgr->UpdateFlashlightState( ShadowHandle, state ); //simpler update for existing handle
+						g_pClientShadowMgr->UpdateProjectedTexture( ShadowHandle, true );
+					}
+
+					if( ShadowHandle == CLIENTSHADOW_INVALID_HANDLE )
+					{
+						ShadowHandle = g_pClientShadowMgr->CreateFlashlight( state );
+						if( ShadowHandle != CLIENTSHADOW_INVALID_HANDLE )
+							g_pClientShadowMgr->UpdateProjectedTexture( ShadowHandle, true );
+					}
+
+
+					if( bLocalToRemote )
+						pRemote->TransformedLighting.m_LightShadowHandle = ShadowHandle;				
+					else
+						TransformedLighting.m_LightShadowHandle = ShadowHandle;					
+				}
+#endif
+			}
+		}
+	}
+	else
+	{
+		g_pPortalRender->RemovePortal( this );
+
+		m_PortalSimulator.DetachFromLinked();
+
+		if( TransformedLighting.m_pEntityLight )
+		{
+			TransformedLighting.m_pEntityLight->die = gpGlobals->curtime;
+			TransformedLighting.m_pEntityLight = NULL;
+		}
+
+		if( TransformedLighting.m_LightShadowHandle != CLIENTSHADOW_INVALID_HANDLE )
+		{
+			g_pClientShadowMgr->DestroyFlashlight( TransformedLighting.m_LightShadowHandle );
+			TransformedLighting.m_LightShadowHandle = CLIENTSHADOW_INVALID_HANDLE;
+		}
+	}
+
+	if( (PreDataChanged.m_hLinkedTo.Get() != m_hLinkedPortal.Get()) && m_hLinkedPortal.Get() )
+		m_PortalSimulator.AttachTo( &m_hLinkedPortal.Get()->m_PortalSimulator );
+	
+
+	BaseClass::OnDataChanged( updateType );
+	
+	if( bNewLinkage || bPortalMoved )
+	{
+		PortalMoved(); //updates link matrix and internals
+	}
+
+	if ( bPortalMoved )
+	{
+		UpdateOriginPlane();
+	}
+
+	if( bPortalMoved || bNewLinkage )
+	{
+		UpdateGhostRenderables();
+		if( pRemote )
+			pRemote->UpdateGhostRenderables();
+	}
+}
+
+void C_Prop_Portal::UpdateGhostRenderables( void )
+{
+	//lastly, update all ghost renderables
+	for( int i = m_GhostRenderables.Count(); --i >= 0; )
+	{
+		m_GhostRenderables[i]->m_matGhostTransform = m_matrixThisToLinked;;
+	}
+}
+
+extern ConVar building_cubemaps;
+
+int C_Prop_Portal::DrawModel( int flags )
+{
+	// Don't draw in cube maps because it makes an ugly colored splotch
+	if( m_bActivated == false || building_cubemaps.GetBool() )
+		return 0;
+
+	int iRetVal = 0;
+
+	C_Prop_Portal *pLinkedPortal = m_hLinkedPortal.Get();
+
+	if ( pLinkedPortal == NULL )
+	{
+		SetNextClientThink( CLIENT_THINK_ALWAYS ); // we need this to help fade out
+	}
+
+	if ( !g_pPortalRender->ShouldUseStencilsToRenderPortals() )
+	{
+		DrawPortal();
+	}
+
+	if( WillUseDepthDoublerThisDraw() )
+		m_fSecondaryStaticAmount = 0.0f;
+
+	iRetVal = BaseClass::DrawModel( flags );
+
+	return iRetVal;
+}
+
+
+//-----------------------------------------------------------------------------
+// Handle recording for the SFM
+//-----------------------------------------------------------------------------
+void C_Prop_Portal::GetToolRecordingState( KeyValues *msg )
+{
+	if ( !ToolsEnabled() )
+		return;
+
+	VPROF_BUDGET( "C_Prop_Portal::GetToolRecordingState", VPROF_BUDGETGROUP_TOOLS );
+	BaseClass::GetToolRecordingState( m_bActivated, msg );
+
+	if ( !m_bActivated )
+	{
+		BaseEntityRecordingState_t *pBaseEntity = (BaseEntityRecordingState_t*)msg->GetPtr( "baseentity" );
+		pBaseEntity->m_bVisible = false;
+	}
+}
+
+void C_Prop_Portal::UpdateOriginPlane( void )
+{
+	//setup our origin plane
+	GetVectors( &m_plane_Origin.normal, NULL, NULL );
+	m_plane_Origin.dist = m_plane_Origin.normal.Dot( GetAbsOrigin() );
+	m_plane_Origin.signbits = SignbitsForPlane( &m_plane_Origin );
+
+	Vector vAbsNormal;
+	vAbsNormal.x = fabs(m_plane_Origin.normal.x);
+	vAbsNormal.y = fabs(m_plane_Origin.normal.y);
+	vAbsNormal.z = fabs(m_plane_Origin.normal.z);
+
+	if( vAbsNormal.x > vAbsNormal.y )
+	{
+		if( vAbsNormal.x > vAbsNormal.z )
+		{
+			if( vAbsNormal.x > 0.999f )
+				m_plane_Origin.type = PLANE_X;
+			else
+				m_plane_Origin.type = PLANE_ANYX;
+		}
+		else
+		{
+			if( vAbsNormal.z > 0.999f )
+				m_plane_Origin.type = PLANE_Z;
+			else
+				m_plane_Origin.type = PLANE_ANYZ;
+		}
+	}
+	else
+	{
+		if( vAbsNormal.y > vAbsNormal.z )
+		{
+			if( vAbsNormal.y > 0.999f )
+				m_plane_Origin.type = PLANE_Y;
+			else
+				m_plane_Origin.type = PLANE_ANYY;
+		}
+		else
+		{
+			if( vAbsNormal.z > 0.999f )
+				m_plane_Origin.type = PLANE_Z;
+			else
+				m_plane_Origin.type = PLANE_ANYZ;
+		}
+	}
+}
+
+void C_Prop_Portal::SetIsPortal2( bool bValue )
+{
+	m_bIsPortal2 = bValue;
+}
+
+bool C_Prop_Portal::IsActivedAndLinked( void ) const
+{
+	return ( m_bActivated && m_hLinkedPortal.Get() != NULL );
+}