1 files changed, 139 insertions, 0 deletions
diff --git a/game/server/portal/func_portal_detector.cpp b/game/server/portal/func_portal_detector.cpp
new file mode 100644
index 0000000..660da49
--- /dev/null
+++ b/game/server/portal/func_portal_detector.cpp
@@ -0,0 +1,139 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: A volume in which no portal can be placed. Keeps a global list loaded in from the map
+//			and provides an interface with which prop_portal can get this list and avoid successfully
+//			creating portals wholly or partially inside the volume.
+//
+// $NoKeywords: $
+//======================================================================================//
+
+#include "cbase.h"
+#include "func_portal_detector.h"
+#include "prop_portal_shared.h"
+#include "portal_shareddefs.h"
+#include "portal_util_shared.h"
+
+
+// memdbgon must be the last include file in a .cpp file!!!
+#include "tier0/memdbgon.h"
+
+// Spawnflags
+#define SF_START_INACTIVE			0x01
+
+
+LINK_ENTITY_TO_CLASS( func_portal_detector, CFuncPortalDetector );
+
+BEGIN_DATADESC( CFuncPortalDetector )
+
+	DEFINE_FIELD( m_bActive, FIELD_BOOLEAN ),
+	DEFINE_KEYFIELD( m_iLinkageGroupID, FIELD_INTEGER, "LinkageGroupID" ),
+
+	// Inputs
+	DEFINE_INPUTFUNC( FIELD_VOID, "Disable", InputDisable ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "Enable", InputEnable ),
+	DEFINE_INPUTFUNC( FIELD_VOID, "Toggle", InputToggle ),
+
+	DEFINE_OUTPUT( m_OnStartTouchPortal1, "OnStartTouchPortal1" ),
+	DEFINE_OUTPUT( m_OnStartTouchPortal2, "OnStartTouchPortal2" ),
+	DEFINE_OUTPUT( m_OnStartTouchLinkedPortal, "OnStartTouchLinkedPortal" ),
+	DEFINE_OUTPUT( m_OnStartTouchBothLinkedPortals, "OnStartTouchBothLinkedPortals" ),
+
+	DEFINE_FUNCTION( IsActive ),
+
+END_DATADESC()
+
+
+void CFuncPortalDetector::Spawn()
+{
+	BaseClass::Spawn();
+
+	if ( m_spawnflags & SF_START_INACTIVE )
+	{
+		m_bActive = false;
+	}
+	else
+	{
+		m_bActive = true;
+	}
+
+	// Bind to our model, cause we need the extents for bounds checking
+	SetModel( STRING( GetModelName() ) );
+	SetRenderMode( kRenderNone );	// Don't draw
+	SetSolid( SOLID_VPHYSICS );		// we may want slanted walls, so we'll use OBB
+	AddSolidFlags( FSOLID_NOT_SOLID );
+}
+
+void CFuncPortalDetector::OnActivate( void )
+{
+	Vector vMin, vMax;
+	CollisionProp()->WorldSpaceAABB( &vMin, &vMax );
+
+	Vector vBoxCenter = ( vMin + vMax ) * 0.5f;
+	Vector vBoxExtents = ( vMax - vMin ) * 0.5f;
+
+	bool bTouchedPortal1 = false;
+	bool bTouchedPortal2 = false;
+
+	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];
+
+			//require that it's active and/or linked?
+
+			if( pTempPortal->GetLinkageGroup() == m_iLinkageGroupID && UTIL_IsBoxIntersectingPortal( vBoxCenter, vBoxExtents, pTempPortal ) )
+			{
+				if( pTempPortal->IsPortal2() )
+				{
+					m_OnStartTouchPortal2.FireOutput( pTempPortal, this );
+
+					if ( pTempPortal->IsActivedAndLinked() )
+					{
+						bTouchedPortal2 = true;
+						m_OnStartTouchLinkedPortal.FireOutput( pTempPortal, this );
+					}
+				}
+				else
+				{
+					m_OnStartTouchPortal1.FireOutput( pTempPortal, this );
+
+					if ( pTempPortal->IsActivedAndLinked() )
+					{
+						bTouchedPortal1 = true;
+						m_OnStartTouchLinkedPortal.FireOutput( pTempPortal, this );
+					}
+				}
+			}
+		}
+	}
+
+	if ( bTouchedPortal1 && bTouchedPortal2 )
+	{
+		m_OnStartTouchBothLinkedPortals.FireOutput( this, this );
+	}
+}
+
+void CFuncPortalDetector::InputDisable( inputdata_t &inputdata )
+{
+	m_bActive = false;
+}
+
+void CFuncPortalDetector::InputEnable( inputdata_t &inputdata )
+{
+	m_bActive = true;
+
+	OnActivate();
+}
+
+void CFuncPortalDetector::InputToggle( inputdata_t &inputdata )
+{
+	m_bActive = !m_bActive;
+
+	if ( m_bActive )
+	{
+		OnActivate();
+	}
+}