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Merge branch 'master' of https://github.com/coelckers/gzdoom

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This commit is contained in:
Christoph Oelckers 2016-07-30 11:45:19 +02:00
commit b52d457146
1 changed files with 15 additions and 18 deletions
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33
src/gl/compatibility/gl_20.cpp
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@ -705,28 +705,25 @@ bool GLWall::PrepareLight(ADynamicLight * light, int pass)
return false; return false;
} }
if (tcs != NULL) Vector t1;
int outcnt[4] = { 0,0,0,0 };
for (int i = 0; i<4; i++)
{ {
Vector t1; t1.Set(&vtx[i * 3]);
int outcnt[4] = { 0,0,0,0 }; Vector nearToVert = t1 - nearPt;
tcs[i].u = (nearToVert.Dot(right) * scale) + 0.5f;
tcs[i].v = (nearToVert.Dot(up) * scale) + 0.5f;
for (int i = 0; i<4; i++) // quick check whether the light touches this polygon
{ if (tcs[i].u<0) outcnt[0]++;
t1.Set(&vtx[i * 3]); if (tcs[i].u>1) outcnt[1]++;
Vector nearToVert = t1 - nearPt; if (tcs[i].v<0) outcnt[2]++;
tcs[i].u = (nearToVert.Dot(right) * scale) + 0.5f; if (tcs[i].v>1) outcnt[3]++;
tcs[i].v = (nearToVert.Dot(up) * scale) + 0.5f;
// quick check whether the light touches this polygon
if (tcs[i].u<0) outcnt[0]++;
if (tcs[i].u>1) outcnt[1]++;
if (tcs[i].v<0) outcnt[2]++;
if (tcs[i].v>1) outcnt[3]++;
}
// The light doesn't touch this polygon
if (outcnt[0] == 4 || outcnt[1] == 4 || outcnt[2] == 4 || outcnt[3] == 4) return false;
} }
// The light doesn't touch this polygon
if (outcnt[0] == 4 || outcnt[1] == 4 || outcnt[2] == 4 || outcnt[3] == 4) return false;
draw_dlight++; draw_dlight++;
return true; return true;