static BYTE SetCoverage(void *node)
{
if (numnodes == 0)
{
return 0;
}
if (!((size_t)node & 1)) // Keep going until found a subsector
{
node_t *bsp = (node_t *)node;
BYTE coverage = SetCoverage(bsp->children[0]) | SetCoverage(bsp->children[1]);
gl_drawinfo->no_renderflags[bsp-nodes] = coverage;
return coverage;
}
else
{
subsector_t *sub = (subsector_t *)((BYTE *)node - 1);
return gl_drawinfo->ss_renderflags[sub-subsectors] & SSRF_SEEN;
}
}
static uint8_t SetCoverage(HWDrawInfo *di, void *node)
{
if (di->Level->nodes.Size() == 0)
{
return 0;
}
if (!((size_t)node & 1)) // Keep going until found a subsector
{
node_t *bsp = (node_t *)node;
uint8_t coverage = SetCoverage(di, bsp->children[0]) | SetCoverage(di, bsp->children[1]);
di->no_renderflags[bsp->Index()] = coverage;
return coverage;
}
else
{
subsector_t *sub = (subsector_t *)((uint8_t *)node - 1);
return di->ss_renderflags[sub->Index()] & SSRF_SEEN;
}
}
void GLSectorStackPortal::SetupCoverage()
{
for(unsigned i=0; i<subsectors.Size(); i++)
{
subsector_t *sub = subsectors[i];
int plane = origin->plane;
for(int j=0;j<sub->portalcoverage[plane].sscount; j++)
{
subsector_t *dsub = &::subsectors[sub->portalcoverage[plane].subsectors[j]];
currentmapsection[dsub->mapsection>>3] |= 1 << (dsub->mapsection&7);
gl_drawinfo->ss_renderflags[dsub-::subsectors] |= SSRF_SEEN;
}
}
SetCoverage(&nodes[numnodes-1]);
}
void HWSectorStackPortal::SetupCoverage(HWDrawInfo *di)
{
for (unsigned i = 0; i<subsectors.Size(); i++)
{
subsector_t *sub = subsectors[i];
int plane = origin->plane;
for (int j = 0; j<sub->portalcoverage[plane].sscount; j++)
{
subsector_t *dsub = &di->Level->subsectors[sub->portalcoverage[plane].subsectors[j]];
di->CurrentMapSections.Set(dsub->mapsection);
di->ss_renderflags[dsub->Index()] |= SSRF_SEEN;
}
}
SetCoverage(di, di->Level->HeadNode());
}