/*
=============
idRenderWorldLocal::FindViewLightsAndEntites
All the modelrefs and lightrefs that are in visible areas
will have viewEntitys and viewLights created for them.
The scissorRects on the viewEntitys and viewLights may be empty if
they were considered, but not actually visible.
Entities and lights can have cached viewEntities / viewLights that
will be used if the viewCount variable matches.
=============
*/
void idRenderWorldLocal::FindViewLightsAndEntities() {
SCOPED_PROFILE_EVENT( "FindViewLightsAndEntities" );
// bumping this counter invalidates cached viewLights / viewEntities,
// when a light or entity is next considered, it will create a new
// viewLight / viewEntity
tr.viewCount++;
// clear the visible lightDef and entityDef lists
tr.viewDef->viewLights = NULL;
tr.viewDef->viewEntitys = NULL;
// all areas are initially not visible, but each portal
// chain that leads to them will expand the visible rectangle
for ( int i = 0; i < numPortalAreas; i++ ) {
areaScreenRect[i].Clear();
}
// find the area to start the portal flooding in
if ( !r_usePortals.GetBool() ) {
// debug tool to force no portal culling
tr.viewDef->areaNum = -1;
} else {
tr.viewDef->areaNum = PointInArea( tr.viewDef->initialViewAreaOrigin );
}
// determine all possible connected areas for
// light-behind-door culling
BuildConnectedAreas();
// flow through all the portals and add models / lights
if ( r_singleArea.GetBool() ) {
// if debugging, only mark this area
// if we are outside the world, don't draw anything
if ( tr.viewDef->areaNum >= 0 ) {
static int lastPrintedAreaNum;
if ( tr.viewDef->areaNum != lastPrintedAreaNum ) {
lastPrintedAreaNum = tr.viewDef->areaNum;
common->Printf( "entering portal area %i\n", tr.viewDef->areaNum );
}
portalStack_t ps;
for ( int i = 0; i < 5; i++ ) {
ps.portalPlanes[i] = tr.viewDef->frustum[i];
}
ps.numPortalPlanes = 5;
ps.rect = tr.viewDef->scissor;
AddAreaToView( tr.viewDef->areaNum, &ps );
}
} else {
// note that the center of projection for flowing through portals may
// be a different point than initialViewAreaOrigin for subviews that
// may have the viewOrigin in a solid/invalid area
FlowViewThroughPortals( tr.viewDef->renderView.vieworg, 5, tr.viewDef->frustum );
}
}
/*
=============
FindViewLightsAndEntites
All the modelrefs and lightrefs that are in visible areas
will have viewEntitys and viewLights created for them.
The scissorRects on the viewEntitys and viewLights may be empty if
they were considered, but not actually visible.
=============
*/
void idRenderWorldLocal::FindViewLightsAndEntities(void)
{
// clear the visible lightDef and entityDef lists
tr.viewDef->viewLights = NULL;
tr.viewDef->viewEntitys = NULL;
// find the area to start the portal flooding in
if (!r_usePortals.GetBool()) {
// debug tool to force no portal culling
tr.viewDef->areaNum = -1;
} else {
tr.viewDef->areaNum = PointInArea(tr.viewDef->initialViewAreaOrigin);
}
// determine all possible connected areas for
// light-behind-door culling
BuildConnectedAreas();
// bump the view count, invalidating all
// visible areas
tr.viewCount++;
// flow through all the portals and add models / lights
if (r_singleArea.GetBool()) {
// if debugging, only mark this area
// if we are outside the world, don't draw anything
if (tr.viewDef->areaNum >= 0) {
portalStack_t ps;
int i;
static int lastPrintedAreaNum;
if (tr.viewDef->areaNum != lastPrintedAreaNum) {
lastPrintedAreaNum = tr.viewDef->areaNum;
common->Printf("entering portal area %i\n", tr.viewDef->areaNum);
}
for (i = 0 ; i < 5 ; i++) {
ps.portalPlanes[i] = tr.viewDef->frustum[i];
}
ps.numPortalPlanes = 5;
ps.rect = tr.viewDef->scissor;
AddAreaRefs(tr.viewDef->areaNum, &ps);
}
} else {
// note that the center of projection for flowing through portals may
// be a different point than initialViewAreaOrigin for subviews that
// may have the viewOrigin in a solid/invalid area
FlowViewThroughPortals(tr.viewDef->renderView.vieworg, 5, tr.viewDef->frustum);
}
}
