Fix line endings. WHAMMY.

1 files changed, 342 insertions, 342 deletions

diff --git a/mp/src/game/server/trigger_portal.cpp b/mp/src/game/server/trigger_portal.cpp
index 5e7eb911..17508047 100644
--- a/mp/src/game/server/trigger_portal.cpp
+++ b/mp/src/game/server/trigger_portal.cpp
@@ -1,343 +1,343 @@
-//========= Copyright Valve Corporation, All rights reserved. ============//

-//

-// Purpose: Entity which teleports touched entities and reorients their physics

-//

-//=============================================================================//

-

-#include "cbase.h"

-#include "baseentity.h"

-#include "triggers.h"

-#include "modelentities.h"

-#include "saverestore_utlvector.h"

-#include "player_pickup.h"

-#include "vphysics/friction.h"

-

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

-#include "tier0/memdbgon.h"

-

-#define TRIGGER_DISABLED_THINK			"PortalDisabledThink"

-

-ConVar portal_debug( "portal_debug", "0", FCVAR_CHEAT, "Turn on debugging for portal connections." );

-

-//////////////////////////////////////////////////////////////////////////

-// CTriggerPortal

-// Moves touched entity to a target location, changing the model's orientation

-// to match the exit target. It differs from CTriggerTeleport in that it

-// reorients physics and has inputs to enable/disable its function.

-//////////////////////////////////////////////////////////////////////////

-class CTriggerPortal : public CBaseTrigger

-{

-public:

-	DECLARE_DATADESC();

-	DECLARE_CLASS( CTriggerPortal, CBaseTrigger );

-	DECLARE_SERVERCLASS();

-

-	virtual void Spawn( void );

-	virtual void Activate();

-

-	void Touch( CBaseEntity *pOther );

-	void EndTouch(CBaseEntity *pOther);

-	void DisableForIncomingEntity( CBaseEntity *pEntity );

-	bool IsTouchingPortal( CBaseEntity *pEntity );

-

-	void DisabledThink( void );

-

-	// TEMP: Since brushes have no directionality, give this wall a forward face specified in hammer

-	QAngle						m_qFaceAngles;

-

-private:

-	string_t					m_strRemotePortal;

-	CNetworkHandle( CTriggerPortal, m_hRemotePortal );

-	CUtlVector<EHANDLE>			m_hDisabledForEntities;

-

-	// Input for setting remote portal entity (for teleporting to it)

-	void SetRemotePortal ( const char* strRemotePortalName );

-	void InputSetRemotePortal ( inputdata_t &inputdata );

-

-};

-

-LINK_ENTITY_TO_CLASS( trigger_portal, CTriggerPortal );

-

-BEGIN_DATADESC( CTriggerPortal )

-	DEFINE_KEYFIELD( m_strRemotePortal, FIELD_STRING, "RemotePortal" ),

-

-	DEFINE_FIELD( m_hRemotePortal, FIELD_EHANDLE ),

-	DEFINE_UTLVECTOR( m_hDisabledForEntities, FIELD_EHANDLE ),

-

-	// TEMP: Only keep this field while portals are still brushes

-	DEFINE_FIELD( m_qFaceAngles, FIELD_VECTOR ),

-

-	DEFINE_THINKFUNC( DisabledThink ),

-

-	DEFINE_INPUTFUNC( FIELD_VOID, "Enable", InputEnable ),

-	DEFINE_INPUTFUNC( FIELD_VOID, "Disable", InputDisable ),

-	DEFINE_INPUTFUNC( FIELD_STRING, "SetRemotePortal", InputSetRemotePortal ),

-END_DATADESC()

-

-IMPLEMENT_SERVERCLASS_ST( CTriggerPortal, DT_TriggerPortal )

-	SendPropEHandle(SENDINFO(m_hRemotePortal)),

-END_SEND_TABLE()

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-//-----------------------------------------------------------------------------

-void CTriggerPortal::Spawn( void )

-{

-	BaseClass::Spawn();

-

-	InitTrigger();

-}

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-// Input  :  - 

-//-----------------------------------------------------------------------------

-void CTriggerPortal::Activate()

-{

-	BaseClass::Activate();

-

-	m_qFaceAngles = this->GetAbsAngles();

-

-	// keep the remote portal's pointer at activate time to avoid redundant FindEntity calls

-	if ( m_strRemotePortal != NULL_STRING )

-	{

-		SetRemotePortal( STRING(m_strRemotePortal) );

-		m_strRemotePortal = NULL_STRING;

-	}

-}

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-// Input  : &inputdata - 

-//-----------------------------------------------------------------------------

-void CTriggerPortal::InputSetRemotePortal(inputdata_t &inputdata )

-{

-	SetRemotePortal( inputdata.value.String() );

-}

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-// Input  : strRemotePortalName - 

-//-----------------------------------------------------------------------------

-void CTriggerPortal::SetRemotePortal(const char *strRemotePortalName )

-{

-	m_hRemotePortal = dynamic_cast<CTriggerPortal*> (gEntList.FindEntityByName( NULL, strRemotePortalName, NULL, NULL, NULL ));

-	if ( m_hRemotePortal == NULL )

-	{

-		Warning ( "trigger_portal: Cannot find remote portal entity named %s\n", strRemotePortalName );

-	}

-}

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-// Input  : *pOther - 

-//-----------------------------------------------------------------------------

-void CTriggerPortal::EndTouch(CBaseEntity *pOther)

-{

-	BaseClass::EndTouch(pOther);

-

-	if ( portal_debug.GetBool() )

-	{

-		Msg("%s ENDTOUCH: for %s\n", GetDebugName(), pOther->GetDebugName() );

-	}

-

-	EHANDLE hHandle;

-	hHandle = pOther;

-	m_hDisabledForEntities.FindAndRemove( hHandle );

-}

-

-//-----------------------------------------------------------------------------

-// Purpose: Upon touching a non-filtered entity, CTriggerPortal teleports them to it's

-//			remote portal location.

-// Input  : *pOther - 

-//-----------------------------------------------------------------------------

-void CTriggerPortal::Touch( CBaseEntity *pOther )

-{

-	// If we are enabled, and allowed to react to the touched entity

-	if ( PassesTriggerFilters(pOther) )

-	{

-		// If we somehow lost our pointer to the remote portal, get a new one

-		if ( m_hRemotePortal == NULL )

-		{

-			Disable();

-			return;

-		}

-

-		bool bDebug = portal_debug.GetBool();

-		if ( bDebug )

-		{

-			Msg("%s TOUCH: for %s\n", GetDebugName(), pOther->GetDebugName() );

-		}

-

-		// Don't touch entities that came through us and haven't left us yet.

-		EHANDLE hHandle;

-		hHandle = pOther;

-		if ( m_hDisabledForEntities.Find(hHandle) != m_hDisabledForEntities.InvalidIndex() )

-		{

-			Msg("    IGNORED\n", GetDebugName(), pOther->GetDebugName() );

-			return;

-		}

-

-		Pickup_ForcePlayerToDropThisObject( pOther );

-

-		// de-ground this entity

-        pOther->SetGroundEntity( NULL );

-

-		// Build a this --> remote transformation

-		VMatrix matMyModelToWorld, matMyInverse;

-		matMyModelToWorld = this->EntityToWorldTransform();

-		MatrixInverseGeneral ( matMyModelToWorld, matMyInverse );

-

-		// Teleport our object

-		VMatrix matRemotePortalTransform = m_hRemotePortal->EntityToWorldTransform();

-		Vector ptNewOrigin, vLook, vRight, vUp, vNewLook;

-		pOther->GetVectors( &vLook, &vRight, &vUp );

-

-		// Move origin

-		ptNewOrigin = matMyInverse * pOther->GetAbsOrigin();

-		ptNewOrigin = matRemotePortalTransform * Vector( ptNewOrigin.x, -ptNewOrigin.y, ptNewOrigin.z );

-

-		// Re-aim camera

-		vNewLook	= matMyInverse.ApplyRotation( vLook );

-		vNewLook	= matRemotePortalTransform.ApplyRotation( Vector( -vNewLook.x, -vNewLook.y, vNewLook.z ) );

-

-		// Reorient the physics

-	 	Vector vVelocity, vOldVelocity;

-		pOther->GetVelocity( &vOldVelocity );

-		vVelocity = matMyInverse.ApplyRotation( vOldVelocity );

-		vVelocity = matRemotePortalTransform.ApplyRotation( Vector( -vVelocity.x, -vVelocity.y, vVelocity.z ) );

-

-		QAngle qNewAngles;

-		VectorAngles( vNewLook, qNewAngles );

-		

-		if ( pOther->IsPlayer() )

-		{

-			((CBasePlayer*)pOther)->SnapEyeAngles(qNewAngles);

-		}

-

-		Vector vecOldPos = pOther->WorldSpaceCenter();

-		if ( bDebug )

-		{

-			NDebugOverlay::Box( pOther->GetAbsOrigin(), pOther->WorldAlignMins(), pOther->WorldAlignMaxs(), 255,0,0, 8, 20 );

-			NDebugOverlay::Axis( pOther->GetAbsOrigin(), pOther->GetAbsAngles(), 10.0f, true, 50 );

-		}

-

-		// place player at the new destination

-		CTriggerPortal *pPortal = m_hRemotePortal.Get();

-		pPortal->DisableForIncomingEntity( pOther );

-		pOther->Teleport( &ptNewOrigin, &qNewAngles, &vVelocity );

-

-		if ( bDebug )

-		{

-			NDebugOverlay::Box( pOther->GetAbsOrigin(), pOther->WorldAlignMins(), pOther->WorldAlignMaxs(), 0,255,0, 8, 20 );

-			NDebugOverlay::Line( vecOldPos, pOther->WorldSpaceCenter(), 0,255,0, true, 20 );

-			NDebugOverlay::Axis( pOther->GetAbsOrigin(), pOther->GetAbsAngles(), 10.0f, true, 50 );

-

-			Msg("%s TELEPORTED: %s\n", GetDebugName(), pOther->GetDebugName() );

-		}

-

-		// test collision on the new teleport location

-		Vector vMin, vMax, vCenter;

-		pOther->CollisionProp()->WorldSpaceAABB( &vMin, &vMax );

-		vCenter = (vMin + vMax) * 0.5f;

-		vMin -= vCenter;

-		vMax -= vCenter;

-

-		Vector vStart, vEnd;

-		vStart	= ptNewOrigin;

-		vEnd	= ptNewOrigin;

-

-		Ray_t ray;

-		ray.Init( vStart, vEnd, vMin, vMax );

-		trace_t tr;

-		pPortal->TestCollision( ray, pOther->PhysicsSolidMaskForEntity(), tr );

-

-		// Teleportation caused us to hit something, deal with it.

-		if ( tr.DidHit() )

-		{

-			

-		}

-

-		

-	}

-}

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-//-----------------------------------------------------------------------------

-void CTriggerPortal::DisableForIncomingEntity( CBaseEntity *pEntity )

-{

-	EHANDLE hHandle;

-	hHandle = pEntity;

-	Assert( m_hDisabledForEntities.Find(hHandle) == m_hDisabledForEntities.InvalidIndex() );

-	m_hDisabledForEntities.AddToTail( hHandle );

-

-	// Start thinking, and remove the other as soon as it's not touching me.

-	// Needs to be done in addition to EndTouch, because entities may move fast

-	// enough through the portal to come out not touching the other portal.

-	SetContextThink( DisabledThink, gpGlobals->curtime + 0.1, TRIGGER_DISABLED_THINK );

-}

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-//-----------------------------------------------------------------------------

-void CTriggerPortal::DisabledThink( void )

-{

-	// If we've got no disabled entities left, we're done

-	if ( !m_hDisabledForEntities.Count() )

-	{

-		SetContextThink( NULL, gpGlobals->curtime, TRIGGER_DISABLED_THINK );

-		return;

-	}

-

-	for ( int i = m_hDisabledForEntities.Count()-1; i >= 0; i-- )

-	{

-		CBaseEntity *pEntity = m_hDisabledForEntities[i];

-		if ( !pEntity || !IsTouchingPortal(pEntity) )

-		{

-			m_hDisabledForEntities.Remove(i);

-		}

-	}

-

-	SetContextThink( DisabledThink, gpGlobals->curtime + 0.1, TRIGGER_DISABLED_THINK );

-}

-

-//-----------------------------------------------------------------------------

-// Purpose: 

-//-----------------------------------------------------------------------------

-bool CTriggerPortal::IsTouchingPortal( CBaseEntity *pEntity )

-{

-	// First, check the touchlinks. This will find non-vphysics entities touching us

-    touchlink_t *root = ( touchlink_t * )GetDataObject( TOUCHLINK );

-	if ( root )

-	{

-		for ( touchlink_t *link = root->nextLink; link != root; link = link->nextLink )

-		{

-			CBaseEntity *pTouch = link->entityTouched;

-			if ( pTouch == pEntity )

-				return true;

-		}

-	}

-

-	// Then check the friction snapshot. This will find vphysics objects touching us.

-	IPhysicsObject *pPhysics = VPhysicsGetObject();

-	if ( !pPhysics )

-		return false;

-

-	IPhysicsFrictionSnapshot *pSnapshot = pPhysics->CreateFrictionSnapshot();

-	bool bFound = false;

-	while ( pSnapshot->IsValid() )

-	{

-		IPhysicsObject *pOther = pSnapshot->GetObject( 1 );

-		if ( ((CBaseEntity *)pOther->GetGameData()) == pEntity )

-		{

-			bFound = true;

-			break;

-		}

-

-		pSnapshot->NextFrictionData();

-	}

-	pPhysics->DestroyFrictionSnapshot( pSnapshot );

-

-	return bFound;

+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Entity which teleports touched entities and reorients their physics
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "baseentity.h"
+#include "triggers.h"
+#include "modelentities.h"
+#include "saverestore_utlvector.h"
+#include "player_pickup.h"
+#include "vphysics/friction.h"
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+#define TRIGGER_DISABLED_THINK			"PortalDisabledThink"
+
+ConVar portal_debug( "portal_debug", "0", FCVAR_CHEAT, "Turn on debugging for portal connections." );
+
+//////////////////////////////////////////////////////////////////////////
+// CTriggerPortal
+// Moves touched entity to a target location, changing the model's orientation
+// to match the exit target. It differs from CTriggerTeleport in that it
+// reorients physics and has inputs to enable/disable its function.
+//////////////////////////////////////////////////////////////////////////
+class CTriggerPortal : public CBaseTrigger
+{
+public:
+	DECLARE_DATADESC();
+	DECLARE_CLASS( CTriggerPortal, CBaseTrigger );
+	DECLARE_SERVERCLASS();
+
+	virtual void Spawn( void );
+	virtual void Activate();
+
+	void Touch( CBaseEntity *pOther );
+	void EndTouch(CBaseEntity *pOther);
+	void DisableForIncomingEntity( CBaseEntity *pEntity );
+	bool IsTouchingPortal( CBaseEntity *pEntity );
+
+	void DisabledThink( void );
+
+	// TEMP: Since brushes have no directionality, give this wall a forward face specified in hammer
+	QAngle						m_qFaceAngles;
+
+private:
+	string_t					m_strRemotePortal;
+	CNetworkHandle( CTriggerPortal, m_hRemotePortal );
+	CUtlVector<EHANDLE>			m_hDisabledForEntities;
+
+	// Input for setting remote portal entity (for teleporting to it)
+	void SetRemotePortal ( const char* strRemotePortalName );
+	void InputSetRemotePortal ( inputdata_t &inputdata );
+
+};
+
+LINK_ENTITY_TO_CLASS( trigger_portal, CTriggerPortal );
+
+BEGIN_DATADESC( CTriggerPortal )
+	DEFINE_KEYFIELD( m_strRemotePortal, FIELD_STRING, "RemotePortal" ),
+
+	DEFINE_FIELD( m_hRemotePortal, FIELD_EHANDLE ),
+	DEFINE_UTLVECTOR( m_hDisabledForEntities, FIELD_EHANDLE ),
+
+	// TEMP: Only keep this field while portals are still brushes
+	DEFINE_FIELD( m_qFaceAngles, FIELD_VECTOR ),
+
+	DEFINE_THINKFUNC( DisabledThink ),
+
+	DEFINE_INPUTFUNC( FIELD_VOID, "Enable", InputEnable ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "Disable", InputDisable ),
+	DEFINE_INPUTFUNC( FIELD_STRING, "SetRemotePortal", InputSetRemotePortal ),
+END_DATADESC()
+
+IMPLEMENT_SERVERCLASS_ST( CTriggerPortal, DT_TriggerPortal )
+	SendPropEHandle(SENDINFO(m_hRemotePortal)),
+END_SEND_TABLE()
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTriggerPortal::Spawn( void )
+{
+	BaseClass::Spawn();
+
+	InitTrigger();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  :  - 
+//-----------------------------------------------------------------------------
+void CTriggerPortal::Activate()
+{
+	BaseClass::Activate();
+
+	m_qFaceAngles = this->GetAbsAngles();
+
+	// keep the remote portal's pointer at activate time to avoid redundant FindEntity calls
+	if ( m_strRemotePortal != NULL_STRING )
+	{
+		SetRemotePortal( STRING(m_strRemotePortal) );
+		m_strRemotePortal = NULL_STRING;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : &inputdata - 
+//-----------------------------------------------------------------------------
+void CTriggerPortal::InputSetRemotePortal(inputdata_t &inputdata )
+{
+	SetRemotePortal( inputdata.value.String() );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : strRemotePortalName - 
+//-----------------------------------------------------------------------------
+void CTriggerPortal::SetRemotePortal(const char *strRemotePortalName )
+{
+	m_hRemotePortal = dynamic_cast<CTriggerPortal*> (gEntList.FindEntityByName( NULL, strRemotePortalName, NULL, NULL, NULL ));
+	if ( m_hRemotePortal == NULL )
+	{
+		Warning ( "trigger_portal: Cannot find remote portal entity named %s\n", strRemotePortalName );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+// Input  : *pOther - 
+//-----------------------------------------------------------------------------
+void CTriggerPortal::EndTouch(CBaseEntity *pOther)
+{
+	BaseClass::EndTouch(pOther);
+
+	if ( portal_debug.GetBool() )
+	{
+		Msg("%s ENDTOUCH: for %s\n", GetDebugName(), pOther->GetDebugName() );
+	}
+
+	EHANDLE hHandle;
+	hHandle = pOther;
+	m_hDisabledForEntities.FindAndRemove( hHandle );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Upon touching a non-filtered entity, CTriggerPortal teleports them to it's
+//			remote portal location.
+// Input  : *pOther - 
+//-----------------------------------------------------------------------------
+void CTriggerPortal::Touch( CBaseEntity *pOther )
+{
+	// If we are enabled, and allowed to react to the touched entity
+	if ( PassesTriggerFilters(pOther) )
+	{
+		// If we somehow lost our pointer to the remote portal, get a new one
+		if ( m_hRemotePortal == NULL )
+		{
+			Disable();
+			return;
+		}
+
+		bool bDebug = portal_debug.GetBool();
+		if ( bDebug )
+		{
+			Msg("%s TOUCH: for %s\n", GetDebugName(), pOther->GetDebugName() );
+		}
+
+		// Don't touch entities that came through us and haven't left us yet.
+		EHANDLE hHandle;
+		hHandle = pOther;
+		if ( m_hDisabledForEntities.Find(hHandle) != m_hDisabledForEntities.InvalidIndex() )
+		{
+			Msg("    IGNORED\n", GetDebugName(), pOther->GetDebugName() );
+			return;
+		}
+
+		Pickup_ForcePlayerToDropThisObject( pOther );
+
+		// de-ground this entity
+        pOther->SetGroundEntity( NULL );
+
+		// Build a this --> remote transformation
+		VMatrix matMyModelToWorld, matMyInverse;
+		matMyModelToWorld = this->EntityToWorldTransform();
+		MatrixInverseGeneral ( matMyModelToWorld, matMyInverse );
+
+		// Teleport our object
+		VMatrix matRemotePortalTransform = m_hRemotePortal->EntityToWorldTransform();
+		Vector ptNewOrigin, vLook, vRight, vUp, vNewLook;
+		pOther->GetVectors( &vLook, &vRight, &vUp );
+
+		// Move origin
+		ptNewOrigin = matMyInverse * pOther->GetAbsOrigin();
+		ptNewOrigin = matRemotePortalTransform * Vector( ptNewOrigin.x, -ptNewOrigin.y, ptNewOrigin.z );
+
+		// Re-aim camera
+		vNewLook	= matMyInverse.ApplyRotation( vLook );
+		vNewLook	= matRemotePortalTransform.ApplyRotation( Vector( -vNewLook.x, -vNewLook.y, vNewLook.z ) );
+
+		// Reorient the physics
+	 	Vector vVelocity, vOldVelocity;
+		pOther->GetVelocity( &vOldVelocity );
+		vVelocity = matMyInverse.ApplyRotation( vOldVelocity );
+		vVelocity = matRemotePortalTransform.ApplyRotation( Vector( -vVelocity.x, -vVelocity.y, vVelocity.z ) );
+
+		QAngle qNewAngles;
+		VectorAngles( vNewLook, qNewAngles );
+		
+		if ( pOther->IsPlayer() )
+		{
+			((CBasePlayer*)pOther)->SnapEyeAngles(qNewAngles);
+		}
+
+		Vector vecOldPos = pOther->WorldSpaceCenter();
+		if ( bDebug )
+		{
+			NDebugOverlay::Box( pOther->GetAbsOrigin(), pOther->WorldAlignMins(), pOther->WorldAlignMaxs(), 255,0,0, 8, 20 );
+			NDebugOverlay::Axis( pOther->GetAbsOrigin(), pOther->GetAbsAngles(), 10.0f, true, 50 );
+		}
+
+		// place player at the new destination
+		CTriggerPortal *pPortal = m_hRemotePortal.Get();
+		pPortal->DisableForIncomingEntity( pOther );
+		pOther->Teleport( &ptNewOrigin, &qNewAngles, &vVelocity );
+
+		if ( bDebug )
+		{
+			NDebugOverlay::Box( pOther->GetAbsOrigin(), pOther->WorldAlignMins(), pOther->WorldAlignMaxs(), 0,255,0, 8, 20 );
+			NDebugOverlay::Line( vecOldPos, pOther->WorldSpaceCenter(), 0,255,0, true, 20 );
+			NDebugOverlay::Axis( pOther->GetAbsOrigin(), pOther->GetAbsAngles(), 10.0f, true, 50 );
+
+			Msg("%s TELEPORTED: %s\n", GetDebugName(), pOther->GetDebugName() );
+		}
+
+		// test collision on the new teleport location
+		Vector vMin, vMax, vCenter;
+		pOther->CollisionProp()->WorldSpaceAABB( &vMin, &vMax );
+		vCenter = (vMin + vMax) * 0.5f;
+		vMin -= vCenter;
+		vMax -= vCenter;
+
+		Vector vStart, vEnd;
+		vStart	= ptNewOrigin;
+		vEnd	= ptNewOrigin;
+
+		Ray_t ray;
+		ray.Init( vStart, vEnd, vMin, vMax );
+		trace_t tr;
+		pPortal->TestCollision( ray, pOther->PhysicsSolidMaskForEntity(), tr );
+
+		// Teleportation caused us to hit something, deal with it.
+		if ( tr.DidHit() )
+		{
+			
+		}
+
+		
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTriggerPortal::DisableForIncomingEntity( CBaseEntity *pEntity )
+{
+	EHANDLE hHandle;
+	hHandle = pEntity;
+	Assert( m_hDisabledForEntities.Find(hHandle) == m_hDisabledForEntities.InvalidIndex() );
+	m_hDisabledForEntities.AddToTail( hHandle );
+
+	// Start thinking, and remove the other as soon as it's not touching me.
+	// Needs to be done in addition to EndTouch, because entities may move fast
+	// enough through the portal to come out not touching the other portal.
+	SetContextThink( DisabledThink, gpGlobals->curtime + 0.1, TRIGGER_DISABLED_THINK );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTriggerPortal::DisabledThink( void )
+{
+	// If we've got no disabled entities left, we're done
+	if ( !m_hDisabledForEntities.Count() )
+	{
+		SetContextThink( NULL, gpGlobals->curtime, TRIGGER_DISABLED_THINK );
+		return;
+	}
+
+	for ( int i = m_hDisabledForEntities.Count()-1; i >= 0; i-- )
+	{
+		CBaseEntity *pEntity = m_hDisabledForEntities[i];
+		if ( !pEntity || !IsTouchingPortal(pEntity) )
+		{
+			m_hDisabledForEntities.Remove(i);
+		}
+	}
+
+	SetContextThink( DisabledThink, gpGlobals->curtime + 0.1, TRIGGER_DISABLED_THINK );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CTriggerPortal::IsTouchingPortal( CBaseEntity *pEntity )
+{
+	// First, check the touchlinks. This will find non-vphysics entities touching us
+    touchlink_t *root = ( touchlink_t * )GetDataObject( TOUCHLINK );
+	if ( root )
+	{
+		for ( touchlink_t *link = root->nextLink; link != root; link = link->nextLink )
+		{
+			CBaseEntity *pTouch = link->entityTouched;
+			if ( pTouch == pEntity )
+				return true;
+		}
+	}
+
+	// Then check the friction snapshot. This will find vphysics objects touching us.
+	IPhysicsObject *pPhysics = VPhysicsGetObject();
+	if ( !pPhysics )
+		return false;
+
+	IPhysicsFrictionSnapshot *pSnapshot = pPhysics->CreateFrictionSnapshot();
+	bool bFound = false;
+	while ( pSnapshot->IsValid() )
+	{
+		IPhysicsObject *pOther = pSnapshot->GetObject( 1 );
+		if ( ((CBaseEntity *)pOther->GetGameData()) == pEntity )
+		{
+			bFound = true;
+			break;
+		}
+
+		pSnapshot->NextFrictionData();
+	}
+	pPhysics->DestroyFrictionSnapshot( pSnapshot );
+
+	return bFound;
 }
\ No newline at end of file