Clean up events, add weapon tag for weaker on swing

Zennysoft.Game.Ma/src/player/Player.cs

@@ -323,6 +323,12 @@ public partial class Player : CharacterBody3D, IPlayer, IProvide<IPlayer>
       AnimationPlayer.Play("hit_wall");
     else if (!AnimationPlayer.IsPlaying())
       PlayAttackAnimation();
+    else
+      return;
+
+      var weapon = EquipmentComponent.EquippedWeapon.Value as Weapon;
+    if (weapon.WeaponTag == WeaponTag.DegradeOnSwing)
+      _playerEffectService.Degrade();
   }
 
   private void ThrowItem()
@@ -367,6 +373,10 @@ public partial class Player : CharacterBody3D, IPlayer, IProvide<IPlayer>
     CollisionDetector.AreaEntered -= CollisionDetector_AreaEntered;
     HealthComponent.HealthReachedZero -= Die;
     HealthTimer.Timeout -= OnHealthTimerTimeout;
+    HealthComponent.CurrentHP.Changed -= InverseHPToAttackPowerSync;
+    HealthComponent.HealthReachedZero -= Die;
+    ExperiencePointsComponent.PlayerLevelUp -= OnLevelUp;
+    PlayerFXAnimations.AnimationFinished -= PlayerFXAnimations_AnimationFinished;
   }
 
   private void Move(float delta)

Zennysoft.Game.Ma/src/player/PlayerEffectService.cs

@@ -1,4 +1,5 @@
 using Godot;
+using Zennysoft.Game.Ma;
 using Zennysoft.Ma.Adapter;
 using Zennysoft.Ma.Adapter.Entity;
 
@@ -23,4 +24,12 @@ internal class PlayerEffectService
     if (rand <= _player.TotalLuck)
       enemy.Die();
   }
+
+  public void Degrade()
+  {
+    var weapon = _player.EquipmentComponent.EquippedWeapon.Value as Weapon;
+    var newAttack = Mathf.Max(weapon.BonusAttack - 1, 0);
+    weapon.SetWeaponAttack(newAttack);
+    _player.EquipmentComponent.UpdateEquipment(weapon);
+  }
 }