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;
}
void R_MarkLightsLeaf( dlight_t *light, int bit, mleaf_t *pLeaf )
{
for( CDispIterator it=pLeaf->GetDispIterator(); it.IsValid(); )
{
CDispLeafLink *pCur = it.Inc();
// get current displacement surface info
IDispInfo *pDispInfo = static_cast<IDispInfo*>( pCur->m_pDispInfo );
int 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 ( SphereToAABBIntersection( light->origin, light->radius, bmin, bmax ) )
{
R_MarkSurfaceDLight( pLighting, bit );
}
}
}
}
for ( int i = 0; i < pLeaf->nummarksurfaces; i++ )
{
int surfID = host_state.worldmodel->brush.marksurfaces[pLeaf->firstmarksurface + 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->radius || dist < -light->radius )
continue;
R_TryLightMarkSurface( light, pLighting, surfID, bit );
}
}
/*
=============
R_MarkLights
=============
*/
void R_MarkLights (dlight_t *light, int bit, mnode_t *node)
{
cplane_t *splitplane;
float dist;
int i;
if (node->contents >= 0)
{
// This is a leaf, so check displacement surfaces and leaf faces
R_MarkLightsLeaf( light, bit, (mleaf_t*)node );
return;
}
splitplane = node->plane;
dist = DotProduct (light->origin, splitplane->normal) - splitplane->dist;
if (dist > light->radius)
{
R_MarkLights (light, bit, node->children[0]);
return;
}
if (dist < -light->radius)
{
R_MarkLights (light, bit, node->children[1]);
return;
}
// mark the polygons
int surfID = node->firstsurface;
for (i=0 ; i<node->numsurfaces ; i++, surfID++)
{
// 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;
R_TryLightMarkSurface( light, pLighting, surfID, bit );
}
R_MarkLights( light, bit, node->children[0] );
R_MarkLights( light, bit, node->children[1] );
}
