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Fix r_mergeLightmaps 0 crashing OpenGL2 renderer
tr.fatLightmapStep was 0 and caused modulus division by 0.
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1 changed files with 10 additions and 6 deletions
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@ -524,11 +524,13 @@ static float FatPackU(float input, int lightmapnum)
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if (tr.worldDeluxeMapping)
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lightmapnum >>= 1;
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lightmapnum %= (tr.fatLightmapStep * tr.fatLightmapStep);
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if(tr.fatLightmapSize > 0)
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{
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int x = lightmapnum % tr.fatLightmapStep;
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int x;
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lightmapnum %= (tr.fatLightmapStep * tr.fatLightmapStep);
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x = lightmapnum % tr.fatLightmapStep;
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return (input / ((float)tr.fatLightmapStep)) + ((1.0 / ((float)tr.fatLightmapStep)) * (float)x);
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}
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@ -544,11 +546,13 @@ static float FatPackV(float input, int lightmapnum)
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if (tr.worldDeluxeMapping)
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lightmapnum >>= 1;
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lightmapnum %= (tr.fatLightmapStep * tr.fatLightmapStep);
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if(tr.fatLightmapSize > 0)
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{
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int y = lightmapnum / tr.fatLightmapStep;
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int y;
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lightmapnum %= (tr.fatLightmapStep * tr.fatLightmapStep);
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y = lightmapnum / tr.fatLightmapStep;
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return (input / ((float)tr.fatLightmapStep)) + ((1.0 / ((float)tr.fatLightmapStep)) * (float)y);
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}
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