From 7403a3a11bd2ce24b7422160bc4636a611726b4a Mon Sep 17 00:00:00 2001
From: RedworkDE <10944644+RedworkDE@users.noreply.github.com>
Date: Fri, 3 Feb 2023 00:23:40 +0100
Subject: C#: Implement `IEquatable<>` and equality operators in `NodePath` -
 Implement `IEquatable<>` interface. - Implement `==` and `!=` operators. -
 Override `Equals` and `GetHashCode`.

---
 .../GodotSharp/Core/NativeInterop/NativeFuncs.cs   |  4 +++
 .../glue/GodotSharp/GodotSharp/Core/NodePath.cs    | 34 +++++++++++++++++++++-
 2 files changed, 37 insertions(+), 1 deletion(-)

(limited to 'modules/mono/glue/GodotSharp')

diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/NativeFuncs.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/NativeFuncs.cs
index 1e23689c95..8ac18c4314 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/NativeFuncs.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/NativeInterop/NativeFuncs.cs
@@ -459,6 +459,10 @@ namespace Godot.NativeInterop
 
         public static partial godot_bool godotsharp_node_path_is_absolute(in godot_node_path p_self);
 
+        public static partial godot_bool godotsharp_node_path_equals(in godot_node_path p_self, in godot_node_path p_other);
+
+        public static partial int godotsharp_node_path_hash(in godot_node_path p_self);
+
         // GD, etc
 
         internal static partial void godotsharp_bytes_to_var(in godot_packed_byte_array p_bytes,
diff --git a/modules/mono/glue/GodotSharp/GodotSharp/Core/NodePath.cs b/modules/mono/glue/GodotSharp/GodotSharp/Core/NodePath.cs
index b02bd167a1..f216fb7ea3 100644
--- a/modules/mono/glue/GodotSharp/GodotSharp/Core/NodePath.cs
+++ b/modules/mono/glue/GodotSharp/GodotSharp/Core/NodePath.cs
@@ -39,7 +39,7 @@ namespace Godot
     /// new NodePath("/root/MyAutoload"); // If you have an autoloaded node or scene.
     /// </code>
     /// </example>
-    public sealed class NodePath : IDisposable
+    public sealed class NodePath : IDisposable, IEquatable<NodePath>
     {
         internal godot_node_path.movable NativeValue;
 
@@ -288,5 +288,37 @@ namespace Godot
         /// </summary>
         /// <returns>If the <see cref="NodePath"/> is empty.</returns>
         public bool IsEmpty => NativeValue.DangerousSelfRef.IsEmpty;
+
+        public static bool operator ==(NodePath left, NodePath right)
+        {
+            if (left is null)
+                return right is null;
+            return left.Equals(right);
+        }
+
+        public static bool operator !=(NodePath left, NodePath right)
+        {
+            return !(left == right);
+        }
+
+        public bool Equals(NodePath other)
+        {
+            if (other is null)
+                return false;
+            var self = (godot_node_path)NativeValue;
+            var otherNative = (godot_node_path)other.NativeValue;
+            return NativeFuncs.godotsharp_node_path_equals(self, otherNative).ToBool();
+        }
+
+        public override bool Equals(object obj)
+        {
+            return ReferenceEquals(this, obj) || (obj is NodePath other && Equals(other));
+        }
+
+        public override int GetHashCode()
+        {
+            var self = (godot_node_path)NativeValue;
+            return NativeFuncs.godotsharp_node_path_hash(self);
+        }
     }
 }
-- 
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