[C#] Use HashCode.Combine() for basic composite types instead of xor

modules/mono/glue/GodotSharp/GodotSharp/Core/Aabb.cs

@@ -723,7 +723,7 @@ namespace Godot
         /// <returns>A hash code for this AABB.</returns>
         public override readonly int GetHashCode()
         {
-            return _position.GetHashCode() ^ _size.GetHashCode();
+            return HashCode.Combine(_position, _size);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Basis.cs

@@ -1123,7 +1123,7 @@ namespace Godot
         /// <returns>A hash code for this basis.</returns>
         public override readonly int GetHashCode()
         {
-            return Row0.GetHashCode() ^ Row1.GetHashCode() ^ Row2.GetHashCode();
+            return HashCode.Combine(Row0, Row1, Row2);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Color.cs

@@ -1308,7 +1308,7 @@ namespace Godot
         /// <returns>A hash code for this color.</returns>
         public override readonly int GetHashCode()
         {
-            return R.GetHashCode() ^ G.GetHashCode() ^ B.GetHashCode() ^ A.GetHashCode();
+            return HashCode.Combine(R, G, B, A);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Plane.cs

@@ -414,7 +414,7 @@ namespace Godot
         /// <returns>A hash code for this plane.</returns>
         public override readonly int GetHashCode()
         {
-            return _normal.GetHashCode() ^ _d.GetHashCode();
+            return HashCode.Combine(_normal, _d);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Projection.cs

@@ -1001,7 +1001,7 @@ namespace Godot
         /// <returns>A hash code for this projection.</returns>
         public override readonly int GetHashCode()
         {
-            return Y.GetHashCode() ^ X.GetHashCode() ^ Z.GetHashCode() ^ W.GetHashCode();
+            return HashCode.Combine(X, Y, Z, W);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Quaternion.cs

@@ -800,7 +800,7 @@ namespace Godot
         /// <returns>A hash code for this quaternion.</returns>
         public override readonly int GetHashCode()
         {
-            return Y.GetHashCode() ^ X.GetHashCode() ^ Z.GetHashCode() ^ W.GetHashCode();
+            return HashCode.Combine(X, Y, Z, W);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2.cs

@@ -459,7 +459,7 @@ namespace Godot
         /// <returns>A hash code for this rect.</returns>
         public override readonly int GetHashCode()
         {
-            return _position.GetHashCode() ^ _size.GetHashCode();
+            return HashCode.Combine(_position, _size);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Rect2I.cs

@@ -419,7 +419,7 @@ namespace Godot
         /// <returns>A hash code for this rect.</returns>
         public override readonly int GetHashCode()
         {
-            return _position.GetHashCode() ^ _size.GetHashCode();
+            return HashCode.Combine(_position, _size);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Transform2D.cs

@@ -626,7 +626,7 @@ namespace Godot
         /// <returns>A hash code for this transform.</returns>
         public override readonly int GetHashCode()
         {
-            return X.GetHashCode() ^ Y.GetHashCode() ^ Origin.GetHashCode();
+            return HashCode.Combine(X, Y, Origin);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Transform3D.cs

@@ -653,7 +653,7 @@ namespace Godot
         /// <returns>A hash code for this transform.</returns>
         public override readonly int GetHashCode()
         {
-            return Basis.GetHashCode() ^ Origin.GetHashCode();
+            return HashCode.Combine(Basis, Origin);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Vector2.cs

@@ -1000,7 +1000,7 @@ namespace Godot
         /// <returns>A hash code for this vector.</returns>
         public override readonly int GetHashCode()
         {
-            return Y.GetHashCode() ^ X.GetHashCode();
+            return HashCode.Combine(X, Y);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Vector2I.cs

@@ -556,7 +556,7 @@ namespace Godot
         /// <returns>A hash code for this vector.</returns>
         public override readonly int GetHashCode()
         {
-            return Y.GetHashCode() ^ X.GetHashCode();
+            return HashCode.Combine(X, Y);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Vector3.cs

@@ -1102,7 +1102,7 @@ namespace Godot
         /// <returns>A hash code for this vector.</returns>
         public override readonly int GetHashCode()
         {
-            return Y.GetHashCode() ^ X.GetHashCode() ^ Z.GetHashCode();
+            return HashCode.Combine(X, Y, Z);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Vector3I.cs

@@ -611,7 +611,7 @@ namespace Godot
         /// <returns>A hash code for this vector.</returns>
         public override readonly int GetHashCode()
         {
-            return Y.GetHashCode() ^ X.GetHashCode() ^ Z.GetHashCode();
+            return HashCode.Combine(X, Y, Z);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Vector4.cs

@@ -884,7 +884,7 @@ namespace Godot
         /// <returns>A hash code for this vector.</returns>
         public override readonly int GetHashCode()
         {
-            return Y.GetHashCode() ^ X.GetHashCode() ^ Z.GetHashCode() ^ W.GetHashCode();
+            return HashCode.Combine(X, Y, Z, W);
         }
 
         /// <summary>

modules/mono/glue/GodotSharp/GodotSharp/Core/Vector4I.cs

@@ -632,7 +632,7 @@ namespace Godot
         /// <returns>A hash code for this vector.</returns>
         public override readonly int GetHashCode()
         {
-            return Y.GetHashCode() ^ X.GetHashCode() ^ Z.GetHashCode() ^ W.GetHashCode();
+            return HashCode.Combine(X, Y, Z, W);
         }
 
         /// <summary>