Prevent transform of noise3d result in getBlockSeed2

diff --git a/src/mapgen.cpp b/src/mapgen.cpp
index 3f83d21785757042960442886586453e4ca42f32..ef3daf305a7d8d287083057907074d3b6ede4f5c 100644 (file)
--- a/src/mapgen.cpp
+++ b/src/mapgen.cpp
@@ -112,7 +112,9 @@ u32 Mapgen::getBlockSeed(v3s16 p, int seed)
 
 u32 Mapgen::getBlockSeed2(v3s16 p, int seed)
 {
-       return noise3d(p.X, p.Y, p.Z, seed);
+       u32 n = 1619 * p.X + 31337 * p.Y + 52591 * p.Z + 1013 * seed;
+       n = (n >> 13) ^ n;
+       return (n * (n * n * 60493 + 19990303) + 1376312589);
 }