bool FDrawInfo::CollectSubsectorsFloor(subsector_t * sub, sector_t * anchor)
{
// mark it checked
sub->validcount=validcount;
// We must collect any subsector that either is connected to this one with a miniseg
// or has the same visplane.
// We must not collect any subsector that has the anchor's visplane!
if (!sub->degenerate)
{
// Is not being rendered so don't bother.
if (!(ss_renderflags[DWORD(sub-subsectors)]&SSRF_PROCESSED)) return true;
if (sub->render_sector->GetTexture(sector_t::floor) != anchor->GetTexture(sector_t::floor) ||
sub->render_sector->GetPlaneTexZ(sector_t::floor)!=anchor->GetPlaneTexZ(sector_t::floor) ||
GetFloorLight(sub->render_sector)!=GetFloorLight(anchor))
{
if (sub==viewsubsector && viewz<anchor->GetPlaneTexZ(sector_t::floor)) inview=true;
HandledSubsectors.Push (sub);
}
}
// We can assume that all segs in this subsector are connected to a subsector that has
// to be checked as well
for(DWORD j=0; j<sub->numlines; j++)
{
seg_t * seg = sub->firstline + j;
if (seg->PartnerSeg)
{
subsector_t * backsub = seg->PartnerSeg->Subsector;
// could be an anchor itself.
if (!CheckAnchorFloor (backsub)) // must not be an anchor itself!
{
if (backsub->validcount!=validcount)
{
if (!CollectSubsectorsFloor (backsub, anchor)) return false;
}
}
else if (sub->render_sector == backsub->render_sector)
{
// Any anchor not within the original anchor's visplane terminates the processing.
if (sub->render_sector->GetTexture(sector_t::floor)!=anchor->GetTexture(sector_t::floor) ||
sub->render_sector->GetPlaneTexZ(sector_t::floor)!=anchor->GetPlaneTexZ(sector_t::floor) ||
GetFloorLight(sub->render_sector)!=GetFloorLight(anchor))
{
return false;
}
}
if (!seg->linedef || (seg->frontsector==seg->backsector && sub->render_sector!=backsub->render_sector))
lowersegs.Push(seg);
}
}
return true;
}
void HWDrawInfo::HandleHackedSubsectors()
{
viewsubsector = Level->PointInRenderSubsector(Viewpoint.Pos);
// Each subsector may only be processed once in this loop!
validcount++;
for(unsigned int i=0;i<SubsectorHacks.Size();i++)
{
subsector_t * sub = SubsectorHacks[i].sub;
if (sub->validcount!=validcount && CheckAnchorFloor(sub))
{
// Now collect everything that is connected with this subsector.
HandledSubsectors.Clear();
inview=false;
lowersegs.Clear();
if (CollectSubsectorsFloor(sub, sub->render_sector))
{
for(unsigned int j=0;j<HandledSubsectors.Size();j++)
{
gl_subsectorrendernode * node = NewSubsectorRenderNode();
node->sub = HandledSubsectors[j];
AddOtherFloorPlane(sub->render_sector->sectornum, node);
}
if (inview) ProcessLowerMinisegs(lowersegs);
}
}
}
// Each subsector may only be processed once in this loop!
validcount++;
for(unsigned int i=0;i<SubsectorHacks.Size();i++)
{
subsector_t * sub = SubsectorHacks[i].sub;
if (sub->validcount!=validcount && CheckAnchorCeiling(sub))
{
// Now collect everything that is connected with this subsector.
HandledSubsectors.Clear();
if (CollectSubsectorsCeiling(sub, sub->render_sector))
{
for(unsigned int j=0;j<HandledSubsectors.Size();j++)
{
gl_subsectorrendernode * node = NewSubsectorRenderNode();
node->sub = HandledSubsectors[j];
AddOtherCeilingPlane(sub->render_sector->sectornum, node);
}
}
}
}
SubsectorHacks.Clear();
}
void FDrawInfo::HandleHackedSubsectors()
{
lowershcount=uppershcount=0;
totalssms.Reset();
totalssms.Clock();
viewsubsector = R_PointInSubsector(viewx, viewy);
// Each subsector may only be processed once in this loop!
validcount++;
for(unsigned int i=0; i<SubsectorHacks.Size(); i++)
{
subsector_t * sub = SubsectorHacks[i].sub;
if (sub->validcount!=validcount && CheckAnchorFloor(sub))
{
// Now collect everything that is connected with this subsector.
HandledSubsectors.Clear();
inview=false;
lowersegs.Clear();
if (CollectSubsectorsFloor(sub, sub->render_sector))
{
for(unsigned int j=0; j<HandledSubsectors.Size(); j++)
{
gl_subsectorrendernode * node = SSR_List.GetNew();
node->sub = HandledSubsectors[j];
AddOtherFloorPlane(sub->render_sector->sectornum, node);
}
if (inview) for(unsigned int j=0; j<lowersegs.Size(); j++)
{
seg_t * seg=lowersegs[j];
GLRenderer->ProcessLowerMiniseg (seg, seg->Subsector->render_sector, seg->PartnerSeg->Subsector->render_sector);
}
lowershcount+=HandledSubsectors.Size();
}
}
}
// Each subsector may only be processed once in this loop!
validcount++;
for(unsigned int i=0; i<SubsectorHacks.Size(); i++)
{
subsector_t * sub = SubsectorHacks[i].sub;
if (sub->validcount!=validcount && CheckAnchorCeiling(sub))
{
// Now collect everything that is connected with this subsector.
HandledSubsectors.Clear();
if (CollectSubsectorsCeiling(sub, sub->render_sector))
{
for(unsigned int j=0; j<HandledSubsectors.Size(); j++)
{
gl_subsectorrendernode * node = SSR_List.GetNew();
node->sub = HandledSubsectors[j];
AddOtherCeilingPlane(sub->render_sector->sectornum, node);
}
uppershcount+=HandledSubsectors.Size();
}
}
}
SubsectorHacks.Clear();
totalssms.Unclock();
}