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- fixed sector mesh generator to allow sectors with non-continuous wall loops.

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Blood has a few such sectors.
This commit is contained in:
Christoph Oelckers 2021-03-31 21:26:57 +02:00
parent 4cc0afe587
commit 3c4429f2a8
1 changed files with 25 additions and 12 deletions
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37
source/core/sectorgeometry.cpp
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@ -224,26 +224,39 @@ void SectorGeometry::MakeVertices(unsigned int secnum, int plane)
polygon.resize(1);
curPoly = &polygon.back();
FixedBitArray<MAXWALLSB> done;
int fz = sec->floorz, cz = sec->ceilingz;
sec->floorz = sec->ceilingz = 0;
for (int i = 0; i < numvertices; i++)
{
auto wal = &wall[sec->wallptr + i];
int vertstoadd = numvertices;
float X = WallStartX(wal);
float Y = WallStartY(wal);
if (fabs(X) > 32768. || fabs(Y) > 32768.)
{
// If we get here there's some fuckery going around with the coordinates. Let's better abort and wait for things to realign.
return;
}
curPoly->push_back(std::make_pair(X, Y));
if (wal->point2 != sec->wallptr+i+1 && i < numvertices - 1)
done.Zero();
while (vertstoadd > 0)
{
int start = 0;
while (done[start] && start < numvertices) start++;
int s = start;
if (start < numvertices)
{
while (!done[start])
{
auto wallp = &wall[sec->wallptr + start];
float X = WallStartX(wallp);
float Y = WallStartY(wallp);
if (fabs(X) > 32768. || fabs(Y) > 32768.)
{
// If we get here there's some fuckery going around with the coordinates. Let's better abort and wait for things to realign.
return;
}
curPoly->push_back(std::make_pair(X, Y));
done.Set(start);
vertstoadd--;
start = wallp->point2 - sec->wallptr;
}
polygon.resize(polygon.size() + 1);
curPoly = &polygon.back();
assert(start == s);
}
}
// Now make sure that the outer boundary is the first polygon by picking a point that's as much to the outside as possible.