Replaced Vector.hashCode with a more reliable method

1 files changed, 6 insertions, 5 deletions

diff --git a/src/main/java/org/bukkit/util/Vector.java b/src/main/java/org/bukkit/util/Vector.java
index 8a44c17d..d018a066 100644
--- a/src/main/java/org/bukkit/util/Vector.java
+++ b/src/main/java/org/bukkit/util/Vector.java
@@ -526,16 +526,17 @@ public class Vector implements Cloneable {
     }
 
     /**
-     * Returns a hash code for this vector. Due to floating point errors, this
-     * hash code should not be used in hash tables of any sort.
+     * Returns a hash code for this vector
      *
      * @return hash code
      */
     @Override
     public int hashCode() {
-        return ((int)Double.doubleToLongBits(x) >> 13) ^
-                ((int)Double.doubleToLongBits(y) >> 7) ^
-                (int)Double.doubleToLongBits(z);
+        int hash = 7;
+        hash = 79 * hash + (int) (Double.doubleToLongBits(this.x) ^ (Double.doubleToLongBits(this.x) >>> 32));
+        hash = 79 * hash + (int) (Double.doubleToLongBits(this.y) ^ (Double.doubleToLongBits(this.y) >>> 32));
+        hash = 79 * hash + (int) (Double.doubleToLongBits(this.z) ^ (Double.doubleToLongBits(this.z) >>> 32));
+        return hash;
     }
 
     /**