package Classes {
    import flash.display.Bitmap;
    import flash.display.BitmapData;
    import flash.display.DisplayObject;
    import flash.display.Sprite;
    import flash.display.Stage;
    
    import gs.TweenLite;
    
    public class Transition {

//---------------------------------------------------------------------------------------
// Assets
//---------------------------------------------------------------------------------------
        [Embed("../_assets/assets.swf",symbol="transitionMaskMC")]
        private var transitionMaskMC:Class;

//---------------------------------------------------------------------------------------
// Properties
//---------------------------------------------------------------------------------------
        private var playField:Sprite;

        private var grabBitmapData:BitmapData;
        private var grabBitmap:Bitmap;

        private var transitionMask:Sprite;
            
//------------------------------------------------
// System
//------------------------------------------------
        private var main:Main;
        private var mainMovie:DisplayObject;
        private var stage:Stage;

        private var callBack:Function;
        
//---------------------------------------------------------------------------------------
//Constructor
//---------------------------------------------------------------------------------------
        public function Transition(){
            main=Main.getInstance();
            mainMovie=main.getMainMovie();
            stage=main.getStage();

            grabBitmapData=new BitmapData(640,480,false,0);
            grabBitmap=new Bitmap(grabBitmapData);
            grabBitmap.cacheAsBitmap=true;
            
            transitionMask=new transitionMaskMC();
            transitionMask.cacheAsBitmap=true;
        }
        
//---------------------------------------------------------------------------------------
// Public
//---------------------------------------------------------------------------------------
        public function toString():String {
            return "Transition";
        }        

//---------------------------------------------------------------------------------------
        public function grabScreen(callBackArg:Function):void{
            callBack=callBackArg;

            if(playField==null){
                playField=main.getInitObj().getPlayField().transition;
            }

            grabBitmapData.draw(stage);
            transitionMask.x=-160;
            grabBitmap.mask=transitionMask;
            playField.addChild(grabBitmap);
            playField.addChild(transitionMask);

            callBackArg();

            TweenLite.to(transitionMask, 1.5, {x:640, delay:0.2,onComplete:houseKeeping});

        }

//---------------------------------------------------------------------------------------
        public function houseKeeping():void{
            playField.removeChild(transitionMask);
            playField.removeChild(grabBitmap);
        }

//---------------------------------------------------------------------------------------
    }
}