baseline: OpenMU upstream b5a0961 (fresh source)

src/GameLogic/WalkingStepsExtensions.cs

@@ -0,0 +1,33 @@
+// <copyright file="WalkingStepsExtensions.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.GameLogic;
+
+using MUnique.OpenMU.Pathfinding;
+
+/// <summary>
+/// Extensions for <see cref="WalkingStep"/>s.
+/// </summary>
+public static class WalkingStepsExtensions
+{
+    /// <summary>
+    /// Gets the starting point of the specified walking steps.
+    /// </summary>
+    /// <param name="steps">The walking steps.</param>
+    /// <returns>The starting point of the specified walking steps.</returns>
+    public static Point GetStart(this Memory<WalkingStep> steps)
+    {
+        return steps.Length == 0 ? default : steps.Span[0].From;
+    }
+
+    /// <summary>
+    /// Gets the target point of the specified walking steps.
+    /// </summary>
+    /// <param name="steps">The walking steps.</param>
+    /// <returns>The target point of the specified walking steps.</returns>
+    public static Point GetTarget(this Memory<WalkingStep> steps)
+    {
+        return steps.Length == 0 ? default : steps.Span[^1].To;
+    }
+}