X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altoslib%2FAltosPointInt.java;h=a7dd00f7e7e3093914c48bc4d7a1f8be2cd618a4;hb=0cc03210d5d53d12604688f294b6ca39e3a025de;hp=5d884391c8b5502d5d0a679cc72e75a047d6ed58;hpb=7975d088a4ac44c0943134fa41d0e3b88f50b98f;p=fw%2Faltos

diff --git a/altoslib/AltosPointInt.java b/altoslib/AltosPointInt.java
index 5d884391..a7dd00f7 100644
--- a/altoslib/AltosPointInt.java
+++ b/altoslib/AltosPointInt.java
@@ -20,7 +20,19 @@ package org.altusmetrum.altoslib_7;
 public class AltosPointInt {
 	public int	x, y;
 
-	public boolean equals(AltosPointInt n) {
+	public int hashCode() {
+		return  x ^ y;
+	}
+
+	public boolean equals(Object o) {
+		if (o == null)
+			return false;
+
+		if (!(o instanceof AltosPointInt))
+			return false;
+
+		AltosPointInt n = (AltosPointInt) o;
+
 		return n.x == x && n.y == y;
 	}