baseline: OpenMU upstream b5a0961 (fresh source)

src/Pathfinding/NodeComparer.cs

@@ -0,0 +1,17 @@
+// <copyright file="NodeComparer.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.Pathfinding;
+
+using System.Diagnostics.CodeAnalysis;
+
+/// <summary>
+/// A comparer to sort nodes based on their <see cref="Node.PredictedTotalCost"/> value.
+/// </summary>
+public class NodeComparer : IComparer<Node>
+{
+    /// <inheritdoc/>
+    [SuppressMessage("ReSharper", "PossibleNullReferenceException", Justification = "We are sure that these parameters are never null. A check would reduce performance.")]
+    public int Compare(Node? a, Node? b) => a!.PredictedTotalCost - b!.PredictedTotalCost;
+}