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Merge pull request #389 from mikeprimm/master

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Check for raw biome lookup overflows - prevent array exceptions on some worlds
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mikeprimm 2011-08-08 22:20:06 -07:00
commit 82b7a87a7c
1 changed files with 5 additions and 2 deletions
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7
src/main/java/org/dynmap/hdmap/TexturePack.java
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@ -885,8 +885,11 @@ public class TexturePack {
}
private static final int biomeLookup(int[] argb, int width, double rainfall, double temp) {
int t = (int)((1.0-temp)*(width-1));
int h = width - (int)(temp*rainfall*(width-1)) - 1;
int w = width-1;
int t = (int)((1.0-temp)*w);
int h = (int)((1.0 - (temp*rainfall))*w);
if(h > w) h = w;
if(t > w) t = w;
return argb[width*h + t];
}
}