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hash PaddedGridDistributor seed

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This commit is contained in:
dfsek
2021-12-28 20:00:20 -07:00
parent ea7e78c498
commit c926625090
1 changed files with 10 additions and 1 deletions
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11
common/addons/config-distributors/src/main/java/com/dfsek/terra/addons/feature/distributor/distributors/PaddedGridDistributor.java
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@@ -27,11 +27,20 @@ public class PaddedGridDistributor implements Distributor {
int cellX = FastMath.floorDiv(x, cellWidth);
int cellZ = FastMath.floorDiv(z, cellWidth);
Random random = new Random((MathUtil.squash(cellX, cellZ) ^ seed) + salt);
Random random = new Random((murmur64(MathUtil.squash(cellX, cellZ)) ^ seed) + salt);
int pointX = random.nextInt(width) + cellX * cellWidth;
int pointZ = random.nextInt(width) + cellZ * cellWidth;
return x == pointX && z == pointZ;
}
private static long murmur64(long h) {
h ^= h >>> 33;
h *= 0xff51afd7ed558ccdL;
h ^= h >>> 33;
h *= 0xc4ceb9fe1a85ec53L;
h ^= h >>> 33;
return h;
}
}