baseline: OpenMU upstream b5a0961 (fresh source)

src/GameLogic/PlugIns/QuestMonsterKillCountPlugIn.cs

@@ -0,0 +1,83 @@
+// <copyright file="QuestMonsterKillCountPlugIn.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 System.ComponentModel.DataAnnotations;
+using System.Runtime.InteropServices;
+using MUnique.OpenMU.GameLogic.NPC;
+using MUnique.OpenMU.PlugIns;
+
+/// <summary>
+/// This plugin increases the monster kill count of the quest state of active quests.
+/// </summary>
+[PlugIn]
+[Display(Name = nameof(PlugInResources.QuestMonsterKillCountPlugIn_Name), Description = nameof(PlugInResources.QuestMonsterKillCountPlugIn_Description), ResourceType = typeof(PlugInResources))]
+[Guid("416C2231-D7FE-414A-9321-26622E262EF5")]
+public class QuestMonsterKillCountPlugIn : IAttackableGotKilledPlugIn, ISupportCustomConfiguration<QuestMonsterKillCountPlugInConfiguration>, ISupportDefaultCustomConfiguration
+{
+    /// <inheritdoc/>
+    public QuestMonsterKillCountPlugInConfiguration? Configuration { get; set; }
+
+    /// <summary>
+    /// Is called when an <see cref="IAttackable" /> object got killed by another.
+    /// </summary>
+    /// <param name="killed">The killed <see cref="IAttackable" />.</param>
+    /// <param name="killer">The killer.</param>
+    public async ValueTask AttackableGotKilledAsync(IAttackable killed, IAttacker? killer)
+    {
+        var configuration = this.Configuration ??= CreateDefaultConfiguration();
+
+        if (!(killer is Player player && killed is Monster monster)
+            || player.SelectedCharacter?.QuestStates is null)
+        {
+            return;
+        }
+
+        foreach (var questState in player.SelectedCharacter.QuestStates)
+        {
+            if (questState.ActiveQuest is null)
+            {
+                continue;
+            }
+
+            foreach (var killRequirement in questState.ActiveQuest.RequiredMonsterKills.Where(r => object.Equals(r.Monster, monster.Definition)))
+            {
+                if (questState.RequirementStates.FirstOrDefault(s => object.Equals(s.Requirement, killRequirement))
+                    is not { } requirementState)
+                {
+                    requirementState = player.PersistenceContext.CreateNew<QuestMonsterKillRequirementState>();
+                    requirementState.Requirement = killRequirement;
+                    questState.RequirementStates.Add(requirementState);
+                }
+
+                requirementState!.KillCount++;
+
+                if (killRequirement.MinimumNumber >= requirementState!.KillCount
+                    && configuration.Message.GetTranslation(player.Culture) is { Length: > 0 } translation)
+                {
+                    var message = string.Format(
+                        translation,
+                        questState.ActiveQuest.Name.GetTranslation(player.Culture),
+                        monster.Definition.Designation.GetTranslation(player.Culture),
+                        requirementState.KillCount,
+                        killRequirement.MinimumNumber);
+
+                    await player.ShowBlueMessageAsync(message).ConfigureAwait(false);
+                }
+            }
+        }
+    }
+
+    /// <inheritdoc/>
+    public object CreateDefaultConfig()
+    {
+        return CreateDefaultConfiguration();
+    }
+
+    private static QuestMonsterKillCountPlugInConfiguration CreateDefaultConfiguration()
+    {
+        return new QuestMonsterKillCountPlugInConfiguration();
+    }
+}