Refactor GameManager session state handling and add new components: CanBeLaunchedComponent, IceEffectComponent, JumpPadComponent, KillPlayerOutOfScreenComponent, KnockbackComponent, LifetimeComponent, MagneticSkillComponent, OutOfScreenComponent, PeriodicShootingComponent, PlayerDeathComponent, ProgressiveDamageComponent, ProjectileComponent, ProjectileInitComponent, RequirementComponent, ScoreComponent, ShipMovementComponent, ShipShooterComponent, and SideToSideMovementComponent

scripts/components/MagneticSkillComponent.cs

@@ -0,0 +1,78 @@
+using System;
+using Godot;
+using Godot.Collections;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+public partial class MagneticSkillComponent : Node
+{
+    [Export] public Area2D MagneticArea { get; set; }
+    [Export] public float MagneticMoveDuration { get; set; } = 1.25f;
+
+    private Array<Node2D> _collectablesToPickUp = [];
+
+    public override void _Ready()
+    {
+        MagneticArea.AreaEntered += OnAreaEntered;
+        MagneticArea.BodyEntered += OnBodyEntered;
+    }
+
+    public override void _Process(double delta)
+    {
+        foreach (var collectable in _collectablesToPickUp)
+        {
+            if (!IsInstanceValid(collectable))
+            {
+                _collectablesToPickUp.Remove(collectable);
+                continue;
+            }
+            
+            MoveCollectableToOwner(collectable);
+        }
+    }
+    
+    private void OnBodyEntered(Node2D body)
+    {
+        if (!HasComponentInChildren(body, "Collectable")) return;
+
+        if (_collectablesToPickUp.Contains(body)) return;
+        _collectablesToPickUp.Add(body);
+    }
+    
+    private void OnAreaEntered(Area2D area)
+    {
+        if (!HasComponentInChildren(area, "Collectable")) return;
+        
+        if (_collectablesToPickUp.Contains(area)) return;
+        _collectablesToPickUp.Add(area);
+    }
+
+    private bool HasComponentInChildren(Node node, string componentName)
+    {
+        if (node == null) return false;
+        
+        if (node.HasNode(componentName)) return true;
+
+        foreach (var child in node.GetChildren())
+        {
+            if (child is { } childNode && HasComponentInChildren(childNode, componentName))
+            {
+                return true;
+            }
+        }
+        
+        return false;
+    }
+
+    private void MoveCollectableToOwner(Node2D collectable)
+    {
+        if (!IsInstanceValid(collectable)) return;
+
+        if (Owner is not Node2D root) return;
+        
+        var direction = (root.GlobalPosition - collectable.GlobalPosition).Normalized();
+        var speed = direction.Length() / MagneticMoveDuration;
+
+        collectable.GlobalPosition += direction.Normalized() * speed;
+    }
+}