Add FloatingTextManager and FloatingText for displaying UI messages; update CollectableComponent and HealthComponent to utilize new floating text features

Autoloads/FloatingTextManager.cs

@@ -0,0 +1,52 @@
+using System.Globalization;
+using Godot;
+using Mr.BrickAdventures.scripts.UI;
+
+namespace Mr.BrickAdventures.Autoloads;
+
+public partial class FloatingTextManager : Node
+{
+    [Export] public PackedScene FloatingTextScene { get; set; }
+    
+    [ExportGroup("Colors")]
+    [Export] public Color DamageColor { get; set; } = new Color("#ff4b4b"); // Red
+    [Export] public Color HealColor { get; set; } = new Color("#4bff65");   // Green
+    [Export] public Color CoinColor { get; set; } = new Color("#ffd700");   // Gold
+    [Export] public Color MessageColor { get; set; } = new Color("#ffffff"); // White
+    
+    public void ShowDamage(float amount, Vector2 position)
+    {
+        var text = Mathf.Round(amount * 100f).ToString(CultureInfo.InvariantCulture);
+        CreateFloatingText(text, position, DamageColor);
+    }
+    
+    public void ShowHeal(float amount, Vector2 position)
+    {
+        var text = $"+{Mathf.Round(amount)}";
+        CreateFloatingText(text, position, HealColor);
+    }
+
+    public void ShowCoin(int amount, Vector2 position)
+    {
+        var text = $"+{amount}";
+        CreateFloatingText(text, position, CoinColor);
+    }
+    
+    public void ShowMessage(string message, Vector2 position)
+    {
+        CreateFloatingText(message, position, MessageColor);
+    }
+    
+    private void CreateFloatingText(string text, Vector2 position, Color color)
+    {
+        if (FloatingTextScene == null)
+        {
+            GD.PushError("FloatingTextManager: FloatingTextScene is not set!");
+            return;
+        }
+
+        var popup = FloatingTextScene.Instantiate<FloatingText>();
+        GetTree().CurrentScene.AddChild(popup);
+        popup.Show(text, position, color);
+    }
+}