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Check for overflow on biome lookup - prevent exceptions on some worlds

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This commit is contained in:
Mike Primm 2011-08-09 00:18:38 -05:00
parent 89525c38d5
commit 48ba43aae5
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) { private static final int biomeLookup(int[] argb, int width, double rainfall, double temp) {
int t = (int)((1.0-temp)*(width-1)); int w = width-1;
int h = width - (int)(temp*rainfall*(width-1)) - 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]; return argb[width*h + t];
} }
} }