baseline: OpenMU upstream b5a0961 (fresh source)

src/GameServer/RemoteView/Quest/CurrentlyActiveQuestsPlugIn.cs

@@ -0,0 +1,70 @@
+// <copyright file="CurrentlyActiveQuestsPlugIn.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.Quest;
+
+using System.Runtime.InteropServices;
+using MUnique.OpenMU.GameLogic.Views.Quest;
+using MUnique.OpenMU.GameServer.MessageHandler.Quests;
+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="ICurrentlyActiveQuestsPlugIn"/> which is forwarding everything to the game client with specific data packets.
+/// </summary>
+[PlugIn]
+[Display(Name = nameof(PlugInResources.CurrentlyActiveQuestsPlugIn_Name), Description = nameof(PlugInResources.CurrentlyActiveQuestsPlugIn_Description), ResourceType = typeof(PlugInResources))]
+[Guid("9851157D-97CA-42F3-840C-8448D02B49A4")]
+[MinimumClient(5, 0, ClientLanguage.Invariant)]
+public class CurrentlyActiveQuestsPlugIn : ICurrentlyActiveQuestsPlugIn
+{
+    private readonly RemotePlayer _player;
+
+    /// <summary>
+    /// Initializes a new instance of the <see cref="CurrentlyActiveQuestsPlugIn"/> class.
+    /// </summary>
+    /// <param name="player">The player.</param>
+    public CurrentlyActiveQuestsPlugIn(RemotePlayer player)
+    {
+        this._player = player;
+    }
+
+    /// <inheritdoc />
+    public async ValueTask ShowActiveQuestsAsync()
+    {
+        var connection = this._player.Connection;
+        if (connection is null || this._player.SelectedCharacter is not { } character)
+        {
+            return;
+        }
+
+        int Write()
+        {
+            const int maxQuestsPerPacket = 62;
+            var activeQuests = character.QuestStates
+                .Where(state => state.Group != QuestConstants.LegacyQuestGroup && state.ActiveQuest != null)
+                .Select(s => s.ActiveQuest!)
+                .Take(maxQuestsPerPacket)
+                .ToList();
+            var size = QuestStateListRef.GetRequiredSize(activeQuests.Count);
+            var span = connection.Output.GetSpan(size)[..size];
+            var message = new QuestStateListRef(span);
+            byte i = 0;
+            foreach (var activeQuest in activeQuests)
+            {
+                var questIdentification = message[i];
+                questIdentification.Number = (ushort)activeQuest.Number;
+                questIdentification.Group = (ushort)activeQuest.Group;
+                i++;
+            }
+
+            message.QuestCount = i;
+            return size;
+        }
+
+        await connection.SendAsync(Write).ConfigureAwait(false);
+    }
+}