From 0ee11e358cf613018b7b750a9e6891874a4aaae4 Mon Sep 17 00:00:00 2001
From: Martin Felis <martin@fysx.org>
Date: Sat, 12 Aug 2023 15:20:23 +0200
Subject: [PATCH] Added additional missing equality operators for HexCell.

---
 HexCell.cs            | 26 +++++++++++++++++++++++++-
 tests/HexCellTests.cs |  5 +++++
 2 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/HexCell.cs b/HexCell.cs
index 626a58d..c63c17f 100644
--- a/HexCell.cs
+++ b/HexCell.cs
@@ -1,11 +1,25 @@
 using System;
 using System.Diagnostics;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using Godot;
 using Array = Godot.Collections.Array;
 
-public class HexCell : Resource, IEquatable<HexCell>
+public class HexCell : IEquatable<HexCell>
 {
+    public override bool Equals(object obj)
+    {
+        if (ReferenceEquals(null, obj)) return false;
+        if (ReferenceEquals(this, obj)) return true;
+        if (obj.GetType() != this.GetType()) return false;
+        return Equals((HexCell)obj);
+    }
+
+    public override int GetHashCode()
+    {
+        return _cubeCoords.GetHashCode();
+    }
+
     public static readonly Vector2 size = new Vector2(1, Mathf.Sqrt(3) / 2);
     public static readonly Vector3 DIR_N = new Vector3(0, 1, -1);
     public static readonly Vector3 DIR_NE = new Vector3(1, 0, -1);
@@ -35,6 +49,16 @@ public class HexCell : Resource, IEquatable<HexCell>
         
         return CubeCoords == other.CubeCoords;
     }
+
+    public static bool operator ==(HexCell cellA, HexCell cellB)
+    {
+        return Equals(cellA, cellB);
+    }
+    
+    public static bool operator !=(HexCell cellA, HexCell cellB)
+    {
+        return !(cellA == cellB);
+    }
     
     public HexCell(Vector3 cubeCoords)
     {
diff --git a/tests/HexCellTests.cs b/tests/HexCellTests.cs
index 65a5bd5..9773ce9 100644
--- a/tests/HexCellTests.cs
+++ b/tests/HexCellTests.cs
@@ -27,9 +27,14 @@ public class HexCellTests : TestClass
         cellA.AxialCoords = new Vector2(2, 3);
         cellB.AxialCoords = new Vector2(2, 3);
         Assert.Equal(cellA, cellB);
+        bool result = cellA == cellB;
+        Assert.True(cellA == cellB);
+        Assert.False(cellA != cellB);
         
         cellB.AxialCoords = new Vector2(3, 2);
         Assert.NotEqual(cellA, cellB);
+        Assert.False(cellA == cellB);
+        Assert.True(cellA != cellB);        
     }
 
     [Test]