baseline: OpenMU upstream b5a0961 (fresh source)

src/GameServer/RemoteView/Duel/DuelStatusUpdatePlugIn.cs

@@ -0,0 +1,62 @@
+// <copyright file="DuelStatusUpdatePlugIn.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.GameServer.RemoteView.Duel;
+
+using System.Runtime.InteropServices;
+using MUnique.OpenMU.GameLogic;
+using MUnique.OpenMU.GameLogic.Views.Duel;
+using MUnique.OpenMU.Network;
+using MUnique.OpenMU.Network.Packets.ServerToClient;
+using MUnique.OpenMU.Network.PlugIns;
+using MUnique.OpenMU.PlugIns;
+
+/// <summary>
+/// The default implementation of the <see cref="IDuelStatusUpdatePlugIn"/> which is forwarding everything to the game client with specific data packets.
+/// </summary>
+[PlugIn]
+[Display(Name = nameof(PlugInResources.DuelStatusUpdatePlugIn_Name), Description = nameof(PlugInResources.DuelStatusUpdatePlugIn_Description), ResourceType = typeof(PlugInResources))]
+[Guid("9C37DF93-7E1C-44BB-914D-DB8B3F96FEE0")]
+[MinimumClient(4, 0, ClientLanguage.Invariant)]
+public class DuelStatusUpdatePlugIn : IDuelStatusUpdatePlugIn
+{
+    private readonly RemotePlayer _player;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="DuelStatusUpdatePlugIn"/> class.
+    /// </summary>
+    /// <param name="player">The player.</param>
+    public DuelStatusUpdatePlugIn(RemotePlayer player) => this._player = player;
+
+    /// <inheritdoc />
+    public async ValueTask UpdateStatusAsync(DuelRoom?[] duelRooms)
+    {
+        if (this._player.Connection is not { } connection)
+        {
+            return;
+        }
+
+        int WritePacket()
+        {
+            var length = DuelStatusRef.Length;
+            var packet = new DuelStatusRef(connection.Output.GetSpan(length)[..length]);
+            for (int i = 0; i < duelRooms.Length; i++)
+            {
+                var duelRoom = duelRooms[i];
+                var duelStatus = packet[i];
+                if (duelRoom is not null)
+                {
+                    duelStatus.Player1Name = duelRoom.Requester.Name;
+                    duelStatus.Player2Name = duelRoom.Opponent.Name;
+                    duelStatus.DuelRunning = duelRoom.State == DuelState.DuelStarted;
+                    duelStatus.DuelOpen = duelRoom.IsOpen;
+                }
+            }
+
+            return length;
+        }
+
+        await connection.SendAsync(WritePacket).ConfigureAwait(false);
+    }
+}