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

scripts/components/SkillComponentBase.cs

@@ -0,0 +1,29 @@
+using Godot;
+using Mr.BrickAdventures.scripts.interfaces;
+using Mr.BrickAdventures.scripts.Resources;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+/// <summary>
+/// Base class for all skill components to reduce boilerplate.
+/// </summary>
+public abstract partial class SkillComponentBase : Node, ISkill
+{
+    protected PlayerController Player { get; private set; }
+    protected SkillData Data { get; private set; }
+
+    public virtual void Initialize(Node owner, SkillData data)
+    {
+        Player = owner as PlayerController;
+        Data = data;
+
+        if (Player == null)
+        {
+            GD.PrintErr($"{GetType().Name} must be a child of a PlayerController.");
+        }
+    }
+
+    public abstract void Activate();
+    public abstract void Deactivate();
+    public virtual void ApplyUpgrade(SkillUpgrade upgrade) { }
+}