baseline: OpenMU upstream b5a0961 (fresh source)

src/Persistence/Initialization/Updates/FixLevelDiv20ExcOptionUpdatePlugIn.cs

@@ -0,0 +1,64 @@
+// <copyright file="FixLevelDiv20ExcOptionUpdatePlugIn.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.Persistence.Initialization.Updates;
+
+using System.Runtime.InteropServices;
+using MUnique.OpenMU.AttributeSystem;
+using MUnique.OpenMU.DataModel.Configuration;
+using MUnique.OpenMU.DataModel.Configuration.Items;
+using MUnique.OpenMU.GameLogic.Attributes;
+using MUnique.OpenMU.PlugIns;
+
+/// <summary>
+/// The chaos castle update plugin.
+/// </summary>
+[PlugIn]
+[Display(Name = PlugInName, Description = PlugInDescription)]
+[Guid("B0F275DC-B3C2-4826-8263-FFDC8A8AFAEA")]
+public class FixLevelDiv20ExcOptionUpdatePlugIn : UpdatePlugInBase
+{
+    /// <summary>
+    /// The plug in name.
+    /// </summary>
+    internal const string PlugInName = "Excellent Option Level/20 damage fix";
+
+    /// <summary>
+    /// The plug in description.
+    /// </summary>
+    internal const string PlugInDescription = "This update fixes the excellent option which adds level / 20 as wizardry damage";
+
+    /// <inheritdoc />
+    public override UpdateVersion Version => UpdateVersion.FixLevelDiv20ExcOptionUpdate;
+
+    /// <inheritdoc />
+    public override string DataInitializationKey => VersionSeasonSix.DataInitialization.Id;
+
+    /// <inheritdoc />
+    public override string Name => PlugInName;
+
+    /// <inheritdoc />
+    public override string Description => PlugInDescription;
+
+    /// <inheritdoc />
+    public override bool IsMandatory => true;
+
+    /// <inheritdoc />
+    public override DateTime CreatedAt => new(2023, 04, 03, 20, 5, 0, DateTimeKind.Utc);
+
+    /// <inheritdoc />
+#pragma warning disable CS1998
+    protected override async ValueTask ApplyAsync(IContext context, GameConfiguration gameConfiguration)
+#pragma warning restore CS1998
+    {
+        var level20Relationships = gameConfiguration.ItemOptions
+            .SelectMany(io => io.PossibleOptions.Where(p => p.OptionType == ItemOptionTypes.Excellent))
+            .SelectMany(o => o.PowerUpDefinition?.Boost?.RelatedValues.Where(s => s.InputAttribute == Stats.Level && Math.Abs(s.InputOperand - 20f) < 0.01) ?? Enumerable.Empty<AttributeRelationship>())
+            .ToList();
+        foreach (var relationship in level20Relationships)
+        {
+            relationship.InputOperand = 1f / 20f;
+        }
+    }
+}