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- fix a render glitch with Back to Saturn X MAP06: Do not flood missing upper and lower textures with the backsector's flat if that backsector is malformed (i.e. has no area.)
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a280c20b4e
commit
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2 changed files with 13 additions and 4 deletions
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@ -233,6 +233,7 @@ static void SpreadHackedFlag(subsector_t * sub)
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if (!(sub2->hacked&1) && sub2->render_sector == sub->render_sector)
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{
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sub2->hacked|=1;
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sub->hacked &= ~4;
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SpreadHackedFlag (sub2);
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}
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}
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@ -285,7 +286,7 @@ static void PrepareSectorData()
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subsectors[i].render_sector != seg[j].PartnerSeg->Subsector->render_sector)
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{
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DPrintf("Found hack: (%d,%d) (%d,%d)\n", seg[j].v1->x>>16, seg[j].v1->y>>16, seg[j].v2->x>>16, seg[j].v2->y>>16);
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subsectors[i].hacked|=1;
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subsectors[i].hacked|=5;
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SpreadHackedFlag(&subsectors[i]);
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}
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if (seg[j].PartnerSeg==NULL) subsectors[i].hacked|=2; // used for quick termination checks
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@ -1417,7 +1417,7 @@ void GLWall::Process(seg_t *seg, sector_t * frontsector, sector_t * backsector)
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sector_t * realback;
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#ifdef _DEBUG
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if (seg->linedef-lines==636)
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if (seg->linedef-lines==1276)
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{
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int a = 0;
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}
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@ -1635,7 +1635,11 @@ void GLWall::Process(seg_t *seg, sector_t * frontsector, sector_t * backsector)
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}
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else if (!(seg->sidedef->Flags & WALLF_POLYOBJ))
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{
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gl_drawinfo->AddUpperMissingTexture(seg->sidedef, sub, bch1a);
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// skip processing if the back is a malformed subsector
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if (!(seg->PartnerSeg->Subsector->hacked & 4))
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{
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gl_drawinfo->AddUpperMissingTexture(seg->sidedef, sub, bch1a);
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}
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}
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}
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}
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@ -1704,7 +1708,11 @@ void GLWall::Process(seg_t *seg, sector_t * frontsector, sector_t * backsector)
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else if (backsector->GetTexture(sector_t::floor) != skyflatnum &&
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!(seg->sidedef->Flags & WALLF_POLYOBJ))
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{
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gl_drawinfo->AddLowerMissingTexture(seg->sidedef, sub, bfh1);
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// skip processing if the back is a malformed subsector
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if (!(seg->PartnerSeg->Subsector->hacked & 4))
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{
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gl_drawinfo->AddLowerMissingTexture(seg->sidedef, sub, bfh1);
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}
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}
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}
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}
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