baseline: OpenMU upstream b5a0961 (fresh source)

src/GameLogic/PlayerActions/Skills/SkillCancellationTokenSource.cs

@@ -0,0 +1,29 @@
+// <copyright file="SkillCancellationTokenSource.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.GameLogic.PlayerActions.Skills;
+
+using System.Threading;
+
+/// <summary>
+/// A <see cref="CancellationTokenSource"/> which allows to specify an explicit target when cancelling the nova skill.
+/// </summary>
+/// <seealso cref="CancellationTokenSource" />
+public class SkillCancellationTokenSource : CancellationTokenSource
+{
+    /// <summary>
+    /// Gets the explicit target identifier.
+    /// </summary>
+    public ushort? ExplicitTargetId { get; private set; }
+
+    /// <summary>
+    /// Communicates a request for cancellation, <see cref="CancellationTokenSource.Cancel()"/>.
+    /// </summary>
+    /// <param name="extraTarget">The extra target.</param>
+    public void CancelWithExtraTarget(ushort? extraTarget)
+    {
+        this.ExplicitTargetId = extraTarget;
+        this.Cancel();
+    }
+}