baseline: OpenMU upstream b5a0961 (fresh source)

src/GameLogic/PlayerActions/Quests/ElfSoldierBuffRequestAction.cs

@@ -0,0 +1,64 @@
+// <copyright file="ElfSoldierBuffRequestAction.cs" company="MUnique">
+// Licensed under the MIT License. See LICENSE file in the project root for full license information.
+// </copyright>
+
+namespace MUnique.OpenMU.GameLogic.PlayerActions.Quests;
+
+using MUnique.OpenMU.AttributeSystem;
+using MUnique.OpenMU.DataModel.Attributes;
+using MUnique.OpenMU.GameLogic.Attributes;
+using MUnique.OpenMU.GameLogic.Views;
+using MUnique.OpenMU.Interfaces;
+
+/// <summary>
+/// Action of requesting the elf soldier buff.
+/// </summary>
+/// <remarks>
+/// Instead of hard-coding all this stuff, we could define something like a 'RequestableBuff' in the MonsterDefinition.
+/// </remarks>
+public class ElfSoldierBuffRequestAction
+{
+    private static readonly short ElfSoldierNumber = 257;
+
+    private static readonly MagicEffectDefinition BuffEffect = new SoldierBuffMagicEffectDefinition
+    {
+        InformObservers = true,
+        Name = "Elf Soldier Buff",
+        Number = 3,
+        StopByDeath = true,
+    };
+
+    /// <summary>
+    /// Requests the buff and adds it to the <see cref="Player.MagicEffectList"/> when the player is allowed to get it.
+    /// </summary>
+    /// <param name="player">The player.</param>
+    public async ValueTask RequestBuffAsync(Player player)
+    {
+        if (player.OpenedNpc is null
+            || player.OpenedNpc.Definition.NpcWindow != NpcWindow.NpcDialog
+            || player.OpenedNpc.Definition.Number != ElfSoldierNumber)
+        {
+            return;
+        }
+
+        if (player.Level > 220)
+        {
+            await player.ShowLocalizedBlueMessageAsync(nameof(PlayerMessage.ElfSoldierStrongEnoughMessage)).ConfigureAwait(false);
+            return;
+        }
+
+        await player.MagicEffectList.AddEffectAsync(new MagicEffect(
+            TimeSpan.FromMinutes(60),
+            BuffEffect,
+            new MagicEffect.ElementWithTarget(new ConstantElement(50 + (player.Level / 5), AggregateType.AddFinal), Stats.DefenseFinal),
+            new MagicEffect.ElementWithTarget(new ConstantElement(45 + (player.Level / 3)), Stats.GreaterDamageBonus))).ConfigureAwait(false);
+    }
+
+    private sealed class SoldierBuffMagicEffectDefinition : MagicEffectDefinition
+    {
+        public SoldierBuffMagicEffectDefinition()
+        {
+            this.PowerUpDefinitions = new List<PowerUpDefinition>(2);
+        }
+    }
+}