Add new components: HealComponent, HitComponent, HomingMissileMotionComponent, LeverComponent, and TriggerLeverComponent

scripts/components/HealComponent.cs

@@ -0,0 +1,48 @@
+using Godot;
+using Mr.BrickAdventures.scripts.Resources;
+
+namespace Mr.BrickAdventures.scripts.components;
+
+public partial class HealComponent : Node
+{
+    [Export] public GpuParticles2D HealFx { get; set; }
+    [Export] public CollectableComponent Collectable { get; set; }
+
+    public override void _Ready()
+    {
+        if (Collectable == null)
+        {
+            GD.PushError("HealComponent: Collectable is not set.");
+            return;
+        }
+        
+        Collectable.Collected += OnCollected;
+    }
+
+    private void OnCollected(Variant amount, CollectableType type, Node2D body)
+    {
+        if (type != CollectableType.Health) return;
+
+        if (Collectable == null) return;
+        
+        var healthComponent = body.GetNodeOrNull<HealthComponent>("HealthComponent");
+        if (healthComponent == null) return;
+
+        var value = amount.AsSingle();
+        healthComponent.IncreaseHealth(value);
+        if (HealFx != null)
+        {
+            PlayHealFx();
+        }
+        
+        Owner.QueueFree();
+    }
+
+    private void PlayHealFx()
+    {
+        if (HealFx == null) return;
+        
+        HealFx.Restart();
+        HealFx.Emitting = true;
+    }
+}