//-----------------------------------------------------------------------------
// Purpose: Used to iterate all the entities within a sphere.
// Input : pStartEntity -
// vecCenter -
// flRadius -
//-----------------------------------------------------------------------------
CBaseEntity *CGlobalEntityList::FindEntityInSphere( CBaseEntity *pStartEntity, const Vector &vecCenter, float flRadius )
{
const CEntInfo *pInfo = pStartEntity ? GetEntInfoPtr( pStartEntity->GetRefEHandle() )->m_pNext : FirstEntInfo();
for ( ;pInfo; pInfo = pInfo->m_pNext )
{
CBaseEntity *ent = (CBaseEntity *)pInfo->m_pEntity;
if ( !ent )
{
DevWarning( "NULL entity in global entity list!\n" );
continue;
}
if ( !ent->edict() )
continue;
Vector vecRelativeCenter;
ent->CollisionProp()->WorldToCollisionSpace( vecCenter, &vecRelativeCenter );
if ( !IsBoxIntersectingSphere( ent->CollisionProp()->OBBMins(), ent->CollisionProp()->OBBMaxs(), vecRelativeCenter, flRadius ) )
continue;
return ent;
}
// nothing found
return NULL;
}
int R_MarkLightsLeaf( dlight_t *light, int bit, mleaf_t *pLeaf )
{
int countMarked = 0;
for ( int i = 0; i < pLeaf->dispCount; i++ )
{
IDispInfo *pDispInfo = MLeaf_Disaplcement( pLeaf, i );
SurfaceHandle_t parentSurfID = pDispInfo->GetParent();
if ( parentSurfID )
{
// Don't redo all this work if we already hit this surface and decided it's lit by this light.
msurfacelighting_t *pLighting = SurfaceLighting( parentSurfID );
if( !R_IsDLightAlreadyMarked( pLighting, bit) )
{
// Do a different test for displacement surfaces.
Vector bmin, bmax;
MSurf_DispInfo( parentSurfID )->GetBoundingBox( bmin, bmax );
if ( IsBoxIntersectingSphere(bmin, bmax, light->origin, light->GetRadius()) )
{
R_MarkSurfaceDLight( parentSurfID, pLighting, bit );
countMarked++;
}
}
}
}
SurfaceHandle_t *pHandle = &host_state.worldbrush->marksurfaces[pLeaf->firstmarksurface];
for ( int i = 0; i < pLeaf->nummarksurfaces; i++ )
{
SurfaceHandle_t surfID = pHandle[i];
ASSERT_SURF_VALID( surfID );
// only process leaf surfaces
if ( MSurf_Flags( surfID ) & SURFDRAW_NODE )
continue;
// Don't redo all this work if we already hit this surface and decided it's lit by this light.
msurfacelighting_t *pLighting = SurfaceLighting( surfID );
if(R_IsDLightAlreadyMarked(pLighting, bit))
continue;
float dist = DotProduct( light->origin, MSurf_Plane( surfID ).normal) - MSurf_Plane( surfID ).dist;
if ( dist > light->GetRadius() || dist < -light->GetRadius() )
continue;
countMarked += R_TryLightMarkSurface( light, pLighting, surfID, bit );
}
return countMarked;
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CDispPaintMgr::PaintSphereDispBBoxOverlap( const Vector &vCenter, float flRadius,
const Vector &vBBoxMin, const Vector &vBBoxMax )
{
return IsBoxIntersectingSphere( vBBoxMin, vBBoxMax, vCenter, flRadius );
}