OrdinaryMagician/vkdoom_m
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- Merge latest ZDBSP changes into trunk.

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SVN r2094 (trunk)
This commit is contained in:
Randy Heit 2010-01-03 01:03:44 +00:00
commit 8bbd90b200
3 changed files with 36 additions and 6 deletions
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31
src/nodebuild.cpp
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@ -490,7 +490,8 @@ int FNodeBuilder::SelectSplitter (DWORD set, node_t &node, DWORD &splitseg, int
int FNodeBuilder::Heuristic (node_t &node, DWORD set, bool honorNoSplit)
{
int score = 0;
// Set the initial score above 0 so that near vertex anti-weighting is less likely to produce a negative score.
int score = 1000000;
int segsInSet = 0;
int counts[2] = { 0, 0 };
int realSegs[2] = { 0, 0 };
@ -596,7 +597,28 @@ int FNodeBuilder::Heuristic (node_t &node, DWORD set, bool honorNoSplit)
frac = InterceptVector (node, *test);
if (frac < 0.001 || frac > 0.999)
{
score -= int(1 / frac);
FPrivVert *v1 = &Vertices[test->v1];
FPrivVert *v2 = &Vertices[test->v2];
double x = v1->x, y = v1->y;
x += frac * (v2->x - x);
y += frac * (v2->y - y);
if (fabs(x - v1->x) < VERTEX_EPSILON+1 && fabs(y - v1->y) < VERTEX_EPSILON+1)
{
D(Printf("Splitter will produce same start vertex as seg %d\n", i));
return -1;
}
if (fabs(x - v2->x) < VERTEX_EPSILON+1 && fabs(y - v2->y) < VERTEX_EPSILON+1)
{
D(Printf("Splitter will produce same end vertex as seg %d\n", i));
return -1;
}
if (frac > 0.999)
{
frac = 1 - frac;
}
int penalty = int(1 / frac);
score = MAX(score - penalty, 1);
D(Printf ("Penalized splitter by %d for being near endpt of seg %d (%f).\n", penalty, i, frac));
}
counts[0]++;
@ -767,6 +789,11 @@ void FNodeBuilder::SplitSegs (DWORD set, node_t &node, DWORD splitseg, DWORD &ou
newvert.y += fixed_t(frac * double(Vertices[seg->v2].y - newvert.y));
vertnum = VertexMap->SelectVertexClose (newvert);
if (vertnum == seg->v1 || vertnum == seg->v2)
{
Printf("SelectVertexClose selected endpoint of seg %u\n", set);
}
seg2 = SplitSeg (set, vertnum, sidev1);
Segs[seg2].next = outset0;