var TAG_SPRITE_BALL = ;

var TAG_SPRITE_USER = ;

var TAG_SPRITE_NPC = ;

var PTM_RATIO = ;

var GRABABLE_MASK_BIT = <<;

var NOT_GRABABLE_MASK = ~GRABABLE_MASK_BIT;

var MainLayer = cc.Layer.extend({

    _ball:null,

    _man:null,

    _rpc:null,

    _leftGoal:null,

    _rightGoal:null,

    _leftPower:null,

    _rightPower:null,

    _time:,

    space:null,

    ctor:function () {

        this._super();

        var size = cc.director.getWinSize();

        this._ball = new Ball();

        this._ball.x = size.width / ;

        this._ball.y = size.height / ;

        this.addChild(this._ball);

        // 左方向

        var btnLeft = cc.MenuItemImage.create(

            res.btn_left_up,

            res.btn_left_down,

            function () {

                this._man.runLeft();

            }, this);

        btnLeft.x = ;

        // 右方向

        var btnRight = cc.MenuItemImage.create(

            res.btn_right_up,

            res.btn_right_down,

            function () {

                this._man.runRight();

            }, this);

        btnRight.x = ;

        // power

        var btnPower = cc.MenuItemImage.create(

            res.btn_power_up,

            res.btn_power_down,

            function () {

                this._man.power();

            }, this);

        btnPower.x = ;

        // jump

        var btnJump = cc.MenuItemImage.create(

            res.btn_jump_up,

            res.btn_jump_down,

            function () {

                this._man.jump();

            }, this);

        btnJump.x = ;

        // kick

        var btnKick = cc.MenuItemImage.create(

            res.btn_kick_up,

            res.btn_kick_down,

            function () {

                this._man.kick();

            }, this);

        btnKick.x = ;

        // 暂停

        var btnPause = cc.MenuItemImage.create(

            "res/pause.png",

            "res/pause2.png",

            function () {

                this.onStop();

            }, this);

        btnPause.x = size.width - ;

        btnPause.y = size.height - ;

        var menu = cc.Menu.create(btnLeft, btnRight, btnPower, btnJump, btnKick, btnPause);

        menu.x = ;

        menu.y = ;

        this.addChild(menu, );

        // 主角

        this._man = new Footballer_cn();

        this._man.flippedX = true;

        this._man.x = ;

        this._man.y = ;

        this._man.anchorX = 0.5;

        this._man.anchorY = ;

        this.addChild(this._man,,TAG_SPRITE_USER);

        this._npc = new Footballer_br();

        this._npc.x = size.width - ;

        this._npc.y = ;

        this._npc.anchorX = 0.5;

        this._npc.anchorY = ;

        this.addChild(this._npc,,TAG_SPRITE_NPC);

        // 球门

        this._leftGoal = new Goalpost(true);

        this._leftGoal.x = ;

        this._leftGoal.y = ;

        this._leftGoal.anchorX = ;

        this._leftGoal.anchorY = ;

        this.addChild(this._leftGoal);

        this._rightGoal = new Goalpost();

        this._rightGoal.x = size.width;

        this._rightGoal.y = ;

        this._rightGoal.anchorX = ;

        this._rightGoal.anchorY = ;

        this.addChild(this._rightGoal);

        // power

        this._leftPower = new PowerProgress(size.width/-,size.height-,,0.5,this);

        this.addChild(this._leftPower, );

        this._rightPower = new PowerProgress(size.width/+,size.height-,,0.5,this);

        this.addChild(this._rightPower, );

        // 系统计划任务，即每帧调用update函数

        this.scheduleUpdate();

        // 自定义计划任务

        this.schedule(this.uiSchedule, );

        cc.sys.dumpRoot();

        cc.sys.garbageCollect();

        this.initChipmunk();

        return true;

    },

    onStop:function () {

        this._bStop = !this._bStop;

        if (this._bStop == true) {

            cc.director.pause();

        }

        else {

            cc.director.resume();

        }

    },

    update:function (dt) {

        this.space.step(dt);

    },

    uiSchedule:function () {

        this._time++;

        this._leftPower.showPower();

        this._rightPower.showPower();

    },

    initChipmunk:function() {

        this.space = new cp.Space();

        var sprite =  this.createPhysicsSprite( cc.p(cc.director.getWinSize().width/ , cc.director.getWinSize().height-) );

        this.addChild( sprite, );

        this.addWalls();

        this.space.gravity = cp.v(, -);

    },

    initPhysics:function() {

        var space = this.space ;

        var staticBody = space.staticBody;

        var winSize = cc.director.getWinSize();

        // Walls

        var walls = [ new cp.SegmentShape( staticBody, cp.v(,), cp.v(winSize.width,),  ),                // bottom

            new cp.SegmentShape( staticBody, cp.v(,winSize.height), cp.v(winSize.width,winSize.height), ),    // top

            new cp.SegmentShape( staticBody, cp.v(,), cp.v(,winSize.height), ),                // left

            new cp.SegmentShape( staticBody, cp.v(winSize.width,), cp.v(winSize.width,winSize.height), )    // right

        ];

        for( var i=; i < walls.length; i++ ) {

            var shape = walls[i];

            shape.setElasticity();

            shape.setFriction();

            space.addStaticShape( shape );

        }

        // Gravity

        space.gravity = cp.v(, -);

    },

    addWalls:function() {

        // Walls

        var winSize = cc.director.getWinSize();

        var walls = [ new cp.SegmentShape( this.space.staticBody, cp.v(,), cp.v(winSize.width,),  ),                // bottom

            new cp.SegmentShape( this.space.staticBody, cp.v(,winSize.height), cp.v(winSize.width,winSize.height), ),    // top

            new cp.SegmentShape( this.space.staticBody, cp.v(,), cp.v(,winSize.height), ),                // left

            new cp.SegmentShape( this.space.staticBody, cp.v(winSize.width,), cp.v(winSize.width,winSize.height), )    // right

        ];

        for( var i=; i < walls.length; i++ ) {

            var shape = walls[i];

            shape.setElasticity(0.8);

            shape.setFriction(0.1);

            this.space.addStaticShape( shape );

        }

    },

    createPhysicsSprite:function( pos ) {

        var radius = ;

        var mass = ;

        var body = new cp.Body(mass, cp.momentForCircle(mass, , radius,cp.v(, )));

        body.setPos( pos );

        this.space.addBody( body );

        var shape = new cp.CircleShape(body, radius,cp.v(, )); //new cp.BoxShape( body, 48, 108);

        shape.setElasticity(  );

        shape.setFriction( 0.1 );

        this.space.addShape( shape );

        var sprite = cc.PhysicsSprite.create(res.b_ball_01);

        sprite.setBody( body );

        return sprite;

    },

    setupDebugNode:function()

    {

        // debug only

        this._debugNode = cc.PhysicsDebugNode.create( this.space );

        this._debugNode.visible = false ;

        this.addChild( this._debugNode );

    }

});

var MainScene = cc.Scene.extend({

    onEnter:function () {

        this._super();

        this.addChild(new GameBackgroundLayer());

        this.addChild(new MainLayer());

    }

});