From c606b4d893fc1f95ee11cfd398cd930218a56e13 Mon Sep 17 00:00:00 2001
From: boy0001 <jessepaleg@gmail.com>
Date: Fri, 7 Nov 2014 22:15:19 +1100
Subject: [PATCH] Hows this?

---
 .../com/intellectualcrafters/plot/Plot.java   | 28 ++++++++++++++-----
 .../com/intellectualcrafters/plot/PlotId.java | 24 ++++++++++++----
 2 files changed, 40 insertions(+), 12 deletions(-)

diff --git a/PlotSquared/src/main/java/com/intellectualcrafters/plot/Plot.java b/PlotSquared/src/main/java/com/intellectualcrafters/plot/Plot.java
index 3004da105..12386d1d5 100644
--- a/PlotSquared/src/main/java/com/intellectualcrafters/plot/Plot.java
+++ b/PlotSquared/src/main/java/com/intellectualcrafters/plot/Plot.java
@@ -288,12 +288,26 @@ public class Plot implements Cloneable {
      */
     @Override
     public int hashCode() {
-        final int
-                x = getId().x,
-                z = getId().y;
-        String
-                xL = (x + "").length() + "",
-                zL = (z + "").length() + "";
-        return Integer.parseInt(xL + x + zL + z);
+        int x = id.x;
+        int y = id.y;
+        if (x >= 0) {
+            if (y >= 0) {
+                return x*x + 3*x + 2*x*y + y + y*y;
+            }
+            else {
+                int y1 = -y;
+                return x*x + 3*x + 2*x*y1 + y1 + y1*y1 + 1;
+            }
+        }
+        else {
+            int x1 = -x;
+            if (y >= 0) {
+                return -(x1*x1 + 3*x1 + 2*x1*y + y + y*y);
+            }
+            else {
+                int y1 = -y;
+                return -(x1*x1 + 3*x1 + 2*x1*y1 + y1 + y1*y1 + 1);
+            }
+        }
     }
 }
diff --git a/PlotSquared/src/main/java/com/intellectualcrafters/plot/PlotId.java b/PlotSquared/src/main/java/com/intellectualcrafters/plot/PlotId.java
index 50004d3b6..2a8c0b78c 100644
--- a/PlotSquared/src/main/java/com/intellectualcrafters/plot/PlotId.java
+++ b/PlotSquared/src/main/java/com/intellectualcrafters/plot/PlotId.java
@@ -45,10 +45,24 @@ public class PlotId {
 
     @Override
     public int hashCode() {
-        final int prime = 31;
-        int result = 1;
-        result = (prime * result) + this.x;
-        result = (prime * result) + this.y;
-        return result;
+        if (x >= 0) {
+            if (y >= 0) {
+                return x*x + 3*x + 2*x*y + y + y*y;
+            }
+            else {
+                int y1 = -y;
+                return x*x + 3*x + 2*x*y1 + y1 + y1*y1 + 1;
+            }
+        }
+        else {
+            int x1 = -x;
+            if (y >= 0) {
+                return -(x1*x1 + 3*x1 + 2*x1*y + y + y*y);
+            }
+            else {
+                int y1 = -y;
+                return -(x1*x1 + 3*x1 + 2*x1*y1 + y1 + y1*y1 + 1);
+            }
+        }
     }
 }