baseline: OpenMU upstream b5a0961 (fresh source)

src/GameLogic/PlugIns/KalimaConstants.cs

@@ -0,0 +1,69 @@
+// <copyright file="KalimaConstants.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.GameLogic.PlugIns;
+
+using MUnique.OpenMU.DataModel.Configuration.Items;
+
+/// <summary>
+/// Constants for the Kalima map.
+/// </summary>
+public static class KalimaConstants
+{
+    /// <summary>
+    /// The symbol of kundun item group.
+    /// </summary>
+    internal const byte SymbolOfKundunGroup = 14;
+
+    /// <summary>
+    /// The symbol of kundun item number.
+    /// </summary>
+    internal const byte SymbolOfKundunNumber = 29;
+
+    /// <summary>
+    /// The lost map item group.
+    /// </summary>
+    internal const byte LostMapGroup = 14;
+
+    /// <summary>
+    /// The lost map item number.
+    /// </summary>
+    internal const byte LostMapNumber = 28;
+
+    /// <summary>
+    /// Determines whether the specified item is a lost map.
+    /// </summary>
+    /// <param name="item">The item.</param>
+    /// <returns>
+    ///   <c>true</c> if the specified item is a lost map; otherwise, <c>false</c>.
+    /// </returns>
+    public static bool IsLostMap(this Item item)
+    {
+        return item.Definition.IsLostMap();
+    }
+
+    /// <summary>
+    /// Determines whether the specified item is a lost map.
+    /// </summary>
+    /// <param name="itemDefinition">The item definition.</param>
+    /// <returns>
+    ///   <c>true</c> if the specified item is a lost map; otherwise, <c>false</c>.
+    /// </returns>
+    public static bool IsLostMap(this ItemDefinition? itemDefinition)
+    {
+        return itemDefinition is { Group: LostMapGroup, Number: LostMapNumber };
+    }
+
+    /// <summary>
+    /// Determines whether the specified item is a symbol of kundun.
+    /// </summary>
+    /// <param name="item">The item.</param>
+    /// <returns>
+    ///   <c>true</c> if the specified item is a symbol of kundun; otherwise, <c>false</c>.
+    /// </returns>
+    public static bool IsSymbolOfKundun(this Item item)
+    {
+        return item.Definition is { Group: SymbolOfKundunGroup, Number: SymbolOfKundunNumber };
+    }
+}