feat(ADAMU-CUSTOM): port remote-NPC (open NPC window from anywhere via 0x8000 marker)

src/GameLogic/GameMap.cs

@@ -103,6 +103,23 @@ public class GameMap
         return result;
     }
 
+    // ADAMU-CUSTOM: remote NPC ("NPC list" mobile feature) — spawn olmuş NPC'yi definition number ile bul.
+    /// <summary>
+    /// Gets a spawned non-player-character on this map by its definition number.
+    /// Used to open an NPC's window remotely (mobile "NPC list" feature), independent
+    /// of the player's position.
+    /// </summary>
+    /// <param name="number">The <see cref="MUnique.OpenMU.DataModel.Configuration.MonsterDefinition.Number"/>.</param>
+    /// <returns>The first matching non-player-character, or <c>null</c>.</returns>
+    public NonPlayerCharacter? GetNpcByNumber(short number)
+    {
+        return this._objectsInMap.Values
+            .OfType<NonPlayerCharacter>()
+            .FirstOrDefault(npc => npc.Definition.Number == number);
+    }
+
+    // ADAMU-CUSTOM end
+
     /// <summary>
     /// Gets the attackables in range of the specified coordinates.
     /// </summary>

src/GameLogic/PlayerActions/TalkNpcAction.cs

@@ -57,6 +57,39 @@ public class TalkNpcAction
         }
     }
 
+    // ADAMU-CUSTOM: remote NPC — NPC'ye definition number ile her yerden konuş (mobile "NPC list").
+    /// <summary>
+    /// Talks to an NPC identified by its definition <paramref name="npcNumber"/>, regardless of the
+    /// player's current position or map (no proximity required). Used by the mobile "NPC list" to
+    /// open a merchant store / chaos machine / vault from anywhere. Loads the NPC's home map if it
+    /// isn't loaded yet, then reuses the normal <see cref="TalkToNpcAsync"/> flow.
+    /// </summary>
+    /// <param name="player">The player.</param>
+    /// <param name="npcNumber">The NPC definition number.</param>
+    public async ValueTask TalkToNpcByNumberAsync(Player player, short npcNumber)
+    {
+        var gameContext = player.GameContext;
+
+        // NPC'nin spawn olduğu haritayı bul, (gerekiyorsa) yükle ve instance'ı al.
+        foreach (var mapDef in gameContext.Configuration.Maps)
+        {
+            if (mapDef.MonsterSpawns is null
+                || !mapDef.MonsterSpawns.Any(s => s.MonsterDefinition?.Number == npcNumber))
+            {
+                continue;
+            }
+
+            var map = await gameContext.GetMapAsync((ushort)mapDef.Number).ConfigureAwait(false);
+            if (map?.GetNpcByNumber(npcNumber) is { } npc)
+            {
+                await this.TalkToNpcAsync(player, npc).ConfigureAwait(false);
+                return;
+            }
+        }
+    }
+
+    // ADAMU-CUSTOM end
+
     /// <summary>
     /// Gets a value indicating whether this action advances the player state to <see cref="PlayerState.NpcDialogOpened" />.
     /// </summary>

src/GameServer/MessageHandler/TalkNpcHandlerPlugInBase.cs

@@ -29,6 +29,17 @@ internal abstract class TalkNpcHandlerPlugInBase : IPacketHandlerPlugIn
     public async ValueTask HandlePacketAsync(Player player, Memory<byte> packet)
     {
         TalkToNpcRequest message = packet;
+
+        // ADAMU-CUSTOM: remote NPC ("NPC list" mobile feature). Object id'leri her zaman <= 0x7FFF
+        // (GameMap IdGenerator), o yüzden yüksek bit serbest marker. Set edilmişse alt 15 bit bir
+        // NPC *definition number*'dır — o NPC'nin penceresini konum/harita bağımsız aç.
+        if ((message.NpcId & 0x8000) != 0)
+        {
+            await this.TalkNpcAction.TalkToNpcByNumberAsync(player, (short)(message.NpcId & 0x7FFF)).ConfigureAwait(false);
+            return;
+        }
+        // ADAMU-CUSTOM end
+
         if (player.CurrentMap?.GetObject(message.NpcId) is NonPlayerCharacter npc)
         {
             await this.TalkNpcAction.TalkToNpcAsync(player, npc).ConfigureAwait(false);