refactor: Consolidate skill component logic into SkillComponentBase and update manager access to singletons.

Autoloads/SkillManager.cs

@@ -18,6 +18,8 @@ public partial class SkillManager : Node
 
     public Dictionary ActiveComponents { get; private set; } = new();
 
+    public static SkillManager Instance { get; private set; }
+
     [Signal]
     public delegate void ActiveThrowSkillChangedEventHandler(BrickThrowComponent throwComponent);
     [Signal]
@@ -25,9 +27,15 @@ public partial class SkillManager : Node
 
     public override void _Ready()
     {
+        Instance = this;
         _gameManager = GetNode<GameManager>(Constants.GameManagerPath);
     }
 
+    public override void _ExitTree()
+    {
+        if (Instance == this) Instance = null;
+    }
+
     /// <summary>
     /// Called by the PlayerController from its _Ready method to register itself with the manager.
     /// </summary>
@@ -143,7 +151,6 @@ public partial class SkillManager : Node
         {
             if (s.Name == skillName)
             {
-                s.IsActive = false;
                 break;
             }
         }
@@ -188,12 +195,16 @@ public partial class SkillManager : Node
         return null;
     }
 
+    public bool IsSkillActive(SkillData skill)
+    {
+        return skill != null && ActiveComponents.ContainsKey(skill.Name);
+    }
+
     public void ActivateSkill(SkillData skill)
     {
         if (!ActiveComponents.ContainsKey(skill.Name))
         {
             AddSkill(skill);
-            skill.IsActive = true;
         }
     }
 
@@ -202,7 +213,6 @@ public partial class SkillManager : Node
         if (ActiveComponents.ContainsKey(skill.Name))
         {
             RemoveSkill(skill.Name);
-            skill.IsActive = false;
         }
     }