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>