1 files changed, 11 insertions, 1 deletions

diff --git a/src/ch/epfl/xblast/Cell.java b/src/ch/epfl/xblast/Cell.java
index d31a889..06dfdbb 100644
--- a/src/ch/epfl/xblast/Cell.java
+++ b/src/ch/epfl/xblast/Cell.java
@@ -171,7 +171,17 @@ public final class Cell {
         if (that == null) return false;
         if (that == this) return true;
         if (!(that instanceof Cell)) return false;
-        return (((Cell) that).x == this.x && ((Cell) that).y == this.y);
+        return (((Cell) that).rowMajorIndex() == this.rowMajorIndex());
+    }
+
+    /**
+     * Returns the hash code for this Cell, given by its row-major index.
+     *
+     * @return the hash code
+     */
+    @Override
+    public int hashCode() {
+        return this.rowMajorIndex();
     }
 
     /**