Game emits a boot event, which its managers listen for

Author: photonstorm

src/animations/AnimationManager.js

@@ -67,6 +67,10 @@ var AnimationManager = new Class({
          * @property {boolean} [paused=false]
          */
         this.paused = false;
+
+        this.name = 'AnimationManager';
+
+        game.events.once('boot', this.boot, this);
     },
 
     /**
@@ -77,9 +81,9 @@ var AnimationManager = new Class({
      * 
      * @param {[type]} textureManager - [description]
      */
-    boot: function (textureManager)
+    boot: function ()
     {
-        this.textureManager = textureManager;
+        this.textureManager = this.game.textures;
     },
 
     /**

src/boot/Game.js

@@ -187,15 +187,7 @@ var Game = new Class({
 
         AddToDOM(this.canvas, this.config.parent);
 
-        this.textures.boot();
-
-        this.anims.boot(this.textures);
-
-        this.plugins.boot();
-
-        this.input.boot();
-
-        this.scene.boot();
+        this.events.emit('boot');
 
         this.isRunning = true;
 

src/input/InputManager.js

@@ -43,6 +43,8 @@ var InputManager = new Class({
         // this._tempMatrix = new TransformMatrix();
         this._tempPoint = { x: 0, y: 0 };
         this._tempHitTest = [];
+
+        game.events.once('boot', this.boot, this);
     },
 
     /**

src/scene/SceneManager.js

@@ -56,6 +56,8 @@ var SceneManager = new Class({
                 });
             }
         }
+
+        game.events.once('boot', this.boot, this);
     },
 
     /**
@@ -185,11 +187,16 @@ var SceneManager = new Class({
             scene.init.call(scene, scene.sys.settings.data);
         }
 
-        var loader = scene.sys.load;
-            
-        loader.reset();
+        var loader;
 
-        if (scene.preload)
+        if (scene.sys.load)
+        {
+            loader = scene.sys.load;
+                
+            loader.reset();
+        }
+
+        if (loader && scene.preload)
         {
             scene.preload(this.game);
 
@@ -349,6 +356,7 @@ var SceneManager = new Class({
 
             //  Default required functions
 
+            /*
             if (!newScene.init)
             {
                 newScene.init = NOOP;
@@ -368,16 +376,19 @@ var SceneManager = new Class({
             {
                 newScene.shutdown = NOOP;
             }
+            */
 
             if (!newScene.update)
             {
                 newScene.update = NOOP;
             }
 
+            /*
             if (!newScene.render)
             {
                 newScene.render = NOOP;
             }
+            */
 
             return newScene;
         }
@@ -446,11 +457,16 @@ var SceneManager = new Class({
 
         //  Extract callbacks or set NOOP
 
-        var defaults = [ 'init', 'preload', 'create', 'shutdown', 'update', 'render' ];
+        var defaults = [ 'init', 'preload', 'create', 'update', 'render' ];
 
         for (var i = 0; i < defaults.length; i++)
         {
-            newScene[defaults[i]] = GetValue(sceneConfig, defaults[i], NOOP);
+            var sceneCallback = GetValue(sceneConfig, defaults[i], null);
+
+            if (sceneCallback)
+            {
+                newScene[defaults[i]] = sceneCallback;
+            }
         }
 
         //  Now let's move across any other functions or properties that may exist
@@ -932,7 +948,12 @@ var SceneManager = new Class({
 
             scene.sys.start(data);
 
-            var loader = scene.sys.load;
+            var loader;
+
+            if (scene.sys.load)
+            {
+                loader = scene.sys.load;
+            }
 
             //  Files payload?
             if (loader && Array.isArray(scene.sys.settings.files))

src/textures/TextureManager.js

@@ -23,10 +23,14 @@ var TextureManager = new Class({
     {
         this.game = game;
 
+        this.name = 'TextureManager';
+
         this.list = {};
 
         this._tempCanvas = CanvasPool.create2D(this, 1, 1);
         this._tempContext = this._tempCanvas.getContext('2d');
+
+        game.events.once('boot', this.boot, this);
     },
 
     boot: function ()