refactor (#6)

Reviewed-on: #6

Autoloads/EventBus.cs

@@ -1,9 +1,155 @@
 using Godot;
+using Mr.BrickAdventures.scripts.components;
+using Mr.BrickAdventures.scripts.Resources;
 
 namespace Mr.BrickAdventures.Autoloads;
 
+/// <summary>
+/// Global event bus for decoupled communication between game systems.
+/// Use the static Instance property for easy access from anywhere.
+/// </summary>
 public partial class EventBus : Node
 {
+    /// <summary>
+    /// Singleton instance. Available after the autoload is initialized.
+    /// </summary>
+    public static EventBus Instance { get; private set; }
+
+    public override void _Ready()
+    {
+        Instance = this;
+    }
+
+    public override void _ExitTree()
+    {
+        if (Instance == this)
+            Instance = null;
+    }
+
+    #region Level Events
+
     [Signal] public delegate void LevelStartedEventHandler(int levelIndex, Node currentScene);
     [Signal] public delegate void LevelCompletedEventHandler(int levelIndex, Node currentScene, double completionTime);
+    [Signal] public delegate void LevelRestartedEventHandler(int levelIndex);
+
+    public static void EmitLevelStarted(int levelIndex, Node currentScene)
+        => Instance?.EmitSignal(SignalName.LevelStarted, levelIndex, currentScene);
+
+    public static void EmitLevelCompleted(int levelIndex, Node currentScene, double completionTime)
+        => Instance?.EmitSignal(SignalName.LevelCompleted, levelIndex, currentScene, completionTime);
+
+    public static void EmitLevelRestarted(int levelIndex)
+        => Instance?.EmitSignal(SignalName.LevelRestarted, levelIndex);
+
+    #endregion
+
+    #region Player Events
+
+    [Signal] public delegate void PlayerSpawnedEventHandler(PlayerController player);
+    [Signal] public delegate void PlayerDiedEventHandler(Vector2 position);
+    [Signal] public delegate void PlayerDamagedEventHandler(float damage, float remainingHealth, Vector2 position);
+    [Signal] public delegate void PlayerHealedEventHandler(float amount, float newHealth, Vector2 position);
+
+    public static void EmitPlayerSpawned(PlayerController player)
+        => Instance?.EmitSignal(SignalName.PlayerSpawned, player);
+
+    public static void EmitPlayerDied(Vector2 position)
+        => Instance?.EmitSignal(SignalName.PlayerDied, position);
+
+    public static void EmitPlayerDamaged(float damage, float remainingHealth, Vector2 position)
+        => Instance?.EmitSignal(SignalName.PlayerDamaged, damage, remainingHealth, position);
+
+    public static void EmitPlayerHealed(float amount, float newHealth, Vector2 position)
+        => Instance?.EmitSignal(SignalName.PlayerHealed, amount, newHealth, position);
+
+    #endregion
+
+    #region Combat Events
+
+    [Signal] public delegate void EnemyDefeatedEventHandler(Node enemy, Vector2 position);
+    [Signal] public delegate void EnemyDamagedEventHandler(Node enemy, float damage, Vector2 position);
+
+    public static void EmitEnemyDefeated(Node enemy, Vector2 position)
+        => Instance?.EmitSignal(SignalName.EnemyDefeated, enemy, position);
+
+    public static void EmitEnemyDamaged(Node enemy, float damage, Vector2 position)
+        => Instance?.EmitSignal(SignalName.EnemyDamaged, enemy, damage, position);
+
+    #endregion
+
+    #region Collection Events
+
+    [Signal] public delegate void CoinCollectedEventHandler(int amount, Vector2 position);
+    [Signal] public delegate void ItemCollectedEventHandler(CollectableType itemType, float amount, Vector2 position);
+    [Signal] public delegate void ChildRescuedEventHandler(Vector2 position);
+    [Signal] public delegate void SkillCollectedEventHandler(SkillData skill, Vector2 position);
+
+    public static void EmitCoinCollected(int amount, Vector2 position)
+        => Instance?.EmitSignal(SignalName.CoinCollected, amount, position);
+
+    public static void EmitItemCollected(CollectableType itemType, float amount, Vector2 position)
+        => Instance?.EmitSignal(SignalName.ItemCollected, (int)itemType, amount, position);
+
+    public static void EmitChildRescued(Vector2 position)
+        => Instance?.EmitSignal(SignalName.ChildRescued, position);
+
+    public static void EmitSkillCollected(SkillData skill, Vector2 position)
+        => Instance?.EmitSignal(SignalName.SkillCollected, skill, position);
+
+    #endregion
+
+    #region Skill Events
+
+    [Signal] public delegate void SkillUnlockedEventHandler(string skillName, int level);
+    [Signal] public delegate void SkillActivatedEventHandler(string skillName);
+    [Signal] public delegate void SkillDeactivatedEventHandler(string skillName);
+
+    public static void EmitSkillUnlocked(string skillName, int level = 1)
+        => Instance?.EmitSignal(SignalName.SkillUnlocked, skillName, level);
+
+    public static void EmitSkillActivated(string skillName)
+        => Instance?.EmitSignal(SignalName.SkillActivated, skillName);
+
+    public static void EmitSkillDeactivated(string skillName)
+        => Instance?.EmitSignal(SignalName.SkillDeactivated, skillName);
+
+    #endregion
+
+    #region Game State Events
+
+    [Signal] public delegate void GamePausedEventHandler();
+    [Signal] public delegate void GameResumedEventHandler();
+    [Signal] public delegate void GameSavedEventHandler();
+    [Signal] public delegate void GameStartedEventHandler();
+    [Signal] public delegate void GameContinuedEventHandler();
+
+    public static void EmitGamePaused()
+        => Instance?.EmitSignal(SignalName.GamePaused);
+
+    public static void EmitGameResumed()
+        => Instance?.EmitSignal(SignalName.GameResumed);
+
+    public static void EmitGameSaved()
+        => Instance?.EmitSignal(SignalName.GameSaved);
+
+    public static void EmitGameStarted()
+        => Instance?.EmitSignal(SignalName.GameStarted);
+
+    public static void EmitGameContinued()
+        => Instance?.EmitSignal(SignalName.GameContinued);
+
+    #endregion
+
+    #region State Change Events
+
+    [Signal] public delegate void CoinsChangedEventHandler(int totalCoins);
+    [Signal] public delegate void LivesChangedEventHandler(int lives);
+
+    public static void EmitCoinsChanged(int totalCoins)
+        => Instance?.EmitSignal(SignalName.CoinsChanged, totalCoins);
+
+    public static void EmitLivesChanged(int lives)
+        => Instance?.EmitSignal(SignalName.LivesChanged, lives);
+
+    #endregion
 }