feat: Implement a comprehensive global event bus with new event handlers and integrate player health and collection events.

scripts/components/HealthComponent.cs

@@ -1,5 +1,6 @@
 using System.Threading.Tasks;
 using Godot;
+using Mr.BrickAdventures;
 using Mr.BrickAdventures.Autoloads;
 
 namespace Mr.BrickAdventures.scripts.components;
@@ -11,22 +12,22 @@ public partial class HealthComponent : Node2D
     [Export] public float MaxHealth { get; set; } = 1.0f;
     [Export] public AudioStreamPlayer2D HurtSfx { get; set; }
     [Export] public AudioStreamPlayer2D HealSfx { get; set; }
-    
+
     [Signal] public delegate void HealthChangedEventHandler(float delta, float totalHealth);
     [Signal] public delegate void DeathEventHandler();
-    
+
     private FloatingTextManager _floatingTextManager;
 
     public override void _Ready()
     {
-        _floatingTextManager = GetNode<FloatingTextManager>("/root/FloatingTextManager");
+        _floatingTextManager = GetNode<FloatingTextManager>(Constants.FloatingTextManagerPath);
     }
-    
+
     public void SetHealth(float newValue)
     {
         _ = ApplyHealthChange(newValue);
     }
-    
+
     public void IncreaseHealth(float delta)
     {
         _ = ApplyHealthChange(Health + delta);
@@ -46,7 +47,7 @@ public partial class HealthComponent : Node2D
 
         if (delta == 0.0f)
             return;
-        
+
         if (delta < 0.0f)
             _floatingTextManager?.ShowDamage(Mathf.Abs(delta), GlobalPosition);
         else
@@ -64,16 +65,27 @@ public partial class HealthComponent : Node2D
                 await HurtSfx.ToSignal(HurtSfx, AudioStreamPlayer2D.SignalName.Finished);
             }
         }
-        
+
         Health = newHealth;
 
         if (Health <= 0f)
         {
             EmitSignalDeath();
+            // Emit global event if this is the player
+            if (Owner is PlayerController)
+                EventBus.EmitPlayerDied(GlobalPosition);
         }
         else
         {
             EmitSignalHealthChanged(delta, Health);
+            // Emit global events if this is the player
+            if (Owner is PlayerController)
+            {
+                if (delta < 0f)
+                    EventBus.EmitPlayerDamaged(Mathf.Abs(delta), Health, GlobalPosition);
+                else
+                    EventBus.EmitPlayerHealed(delta, Health, GlobalPosition);
+            }
         }
     }
 }