/**
 *
 * @author 
 *
 */
class GameScene {


    // View3D操作对象
    protected view: egret3d.View3D;

    protected lightGroup: egret3d.LightGroup;

    /**
    * look at 摄像机控制器 。</p>
    * 指定摄像机看向的目标对象。</p>
    * 1.按下鼠标左键并移动鼠标可以使摄像机绕着目标进行旋转。</p>
    * 2.按下键盘的(w s a d) 可以摄像机(上 下 左 右)移动。</p>
    * 3.滑动鼠标滚轮可以控制摄像机的视距。</p>
    */
    private cameraCtl: egret3d.LookAtController;

    private mesh: egret3d.Mesh;

    constructor(context3d: egret3d.Egret3DCanvas) {
        var view = new egret3d.View3D(0, (context3d.height - context3d.width) / 2, context3d.width, context3d.width);
        view.camera3D.lookAt(new egret3d.Vector3D(0, 1000, -1000), new egret3d.Vector3D(0, 0, 0));
        view.backColor = 0xff181818;

        context3d.addView3D(view);
        this.view = view;

        this.cameraCtl = new egret3d.LookAtController(view.camera3D, new egret3d.Object3D());
        this.cameraCtl.lookAtObject.y = 100;

        this.cameraCtl.distance = 500;
        this.cameraCtl.rotationX = 30;
        this.cameraCtl.rotationY = 180;
        context3d.addEventListener(egret3d.Event3D.ENTER_FRAME, this.update, this);

    }

    public createGameScene() {
        let texture = RES.getRes("3d/background.jpg");
        console.log(texture)
        this.view.backImage = texture


        var geo: egret3d.Geometry = RES.getRes("3d/0_Model/Esm/Zhouyu.esm");
        var clip: egret3d.SkeletonAnimationClip = RES.getRes("3d/0_Model/Eam/attack.eam");
        var idleClip: egret3d.SkeletonAnimationClip = RES.getRes("3d/0_Model/Eam/idle.eam");
        var tex: egret3d.ITexture = RES.getRes("3d/0_Model/Texture/hero_01.png");

        clip.animationName = "attack";
        idleClip.animationName = "idle";
        var mesh = new egret3d.Mesh(geo);
        this.mesh = mesh;

        clip.isLoop = false;
        idleClip.isLoop = true;
        mesh.material.diffuseTexture = tex;
        mesh.material.ambientColor = 0xb4b4b4;
        mesh.material.gloss = 10;
        mesh.material.specularLevel = 0.5;

        let skeletonController = mesh.animation.skeletonAnimationController;

        skeletonController.addSkeletonAnimationClip(clip);
        skeletonController.addSkeletonAnimationClip(idleClip);
        skeletonController.addEventListener(egret3d.AnimationEvent3D.COMPLETE, this.onAnimationComplete, this);
        skeletonController.addEventListener(egret3d.AnimationEvent3D.CYCLE, this.onAnimationCycle, this);
        this.view.addChild3D(mesh);
        mesh.animation.play(idleClip.animationName);
        this.lightGroup = new egret3d.LightGroup();
        var dirLight = new egret3d.DirectLight(new egret3d.Vector3D(1, -1, 0))
        this.lightGroup.addLight(dirLight);
        mesh.lightGroup = this.lightGroup;

        // egret3d.Input.addEventListener(egret3d.KeyEvent3D.KEY_DOWN, this.onKeyDown, this);
    }

    protected onKeyDown(e: egret3d.KeyEvent3D) {
        switch (e.keyCode) {
            case egret3d.KeyCode.Key_1:
                this.mesh.animation.play("attack");
                break;
        }
    }

    protected onAnimationComplete(e: egret3d.LoaderEvent3D) {
        console.log("onAnimationComplete");
        this.mesh.animation.play("idle");
    }

    protected onAnimationCycle(e: egret3d.LoaderEvent3D) {
        console.log("播放完成一个循环");
    }

    protected update(e: egret3d.Event3D) {
        this.cameraCtl.update();
    }
}