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-rw-r--r--src/Vector3.h10
1 files changed, 4 insertions, 6 deletions
diff --git a/src/Vector3.h b/src/Vector3.h
index c4b72fd57..19ab0b021 100644
--- a/src/Vector3.h
+++ b/src/Vector3.h
@@ -396,13 +396,11 @@ public:
/** Provides a hash of a vector's contents */
size_t operator()(const Vector3<What> & a_Vector) const
{
- // Guaranteed to have no hash collisions for any 128x128x128 area
- size_t Hash = 0;
+ // Guaranteed to have non repeating hashes for any 128x128x128 area
+ size_t Hash = static_cast<size_t>(a_Vector.y);
+ Hash <<= 16;
Hash ^= static_cast<size_t>(a_Vector.x);
- Hash <<= 8;
- Hash ^= static_cast<size_t>(a_Vector.y);
- Hash <<= 8;
- Hash ^= static_cast<size_t>(a_Vector.z);
+ Hash ^= static_cast<size_t>(a_Vector.z) << 8;
return Hash;
}
};