You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
1.9 KiB
75 lines
1.9 KiB
//===== Copyright © 1996-2005, Valve Corporation, All rights reserved. ======//
|
|
//
|
|
// Purpose:
|
|
//
|
|
// $NoKeywords: $
|
|
//===========================================================================//
|
|
|
|
#include "cbase.h"
|
|
#include "func_areaportalbase.h"
|
|
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
|
#include "tier0/memdbgon.h"
|
|
|
|
// A sphere around the player used for backface culling of areaportals.
|
|
#define VIEWER_PADDING 80
|
|
|
|
|
|
CUtlLinkedList<CFuncAreaPortalBase*, unsigned short> g_AreaPortals;
|
|
|
|
|
|
|
|
//---------------------------------------------------------
|
|
// Save/Restore
|
|
//---------------------------------------------------------
|
|
BEGIN_DATADESC( CFuncAreaPortalBase )
|
|
|
|
DEFINE_FIELD( m_portalNumber, FIELD_INTEGER ),
|
|
DEFINE_KEYFIELD( m_iPortalVersion, FIELD_INTEGER, "PortalVersion" )
|
|
// DEFINE_FIELD( m_AreaPortalsElement, FIELD_SHORT ),
|
|
|
|
END_DATADESC()
|
|
|
|
|
|
|
|
|
|
CFuncAreaPortalBase::CFuncAreaPortalBase()
|
|
{
|
|
m_portalNumber = -1;
|
|
m_AreaPortalsElement = g_AreaPortals.AddToTail( this );
|
|
m_iPortalVersion = 0;
|
|
}
|
|
|
|
|
|
CFuncAreaPortalBase::~CFuncAreaPortalBase()
|
|
{
|
|
g_AreaPortals.Remove( m_AreaPortalsElement );
|
|
}
|
|
|
|
|
|
bool CFuncAreaPortalBase::UpdateVisibility( const CUtlVector< Vector > &vecOrigins, float fovDistanceAdjustFactor, bool &bIsOpenOnClient )
|
|
{
|
|
// NOTE: We leave bIsOpenOnClient alone on purpose here. See the header for a description of why.
|
|
|
|
if( m_portalNumber == -1 )
|
|
return false;
|
|
|
|
// See if the viewer is on the backside.
|
|
for ( int i = 0; i < vecOrigins.Count(); ++i )
|
|
{
|
|
const Vector &vOrigin = vecOrigins[ i ];
|
|
VPlane plane;
|
|
if( !engine->GetAreaPortalPlane( vOrigin, m_portalNumber, &plane ) )
|
|
return true; // leave it open if there's an error here for some reason
|
|
|
|
// If either players' origin is on the front, the areaportal is considered opened...
|
|
if( plane.DistTo( vOrigin ) + VIEWER_PADDING > 0 )
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|