import SKDataUtil from "../util/SKDataUtil";
import SKUIUtil from "../util/SKUIUtil";

// 動畫控制
export default class SKAnimation {
    static debug: boolean = false;
    static playAni(node: cc.Node, url: string, speed: number = 12) {
        if (!node) {
cc.log("必須有結點才能播放動畫", url);
console.log("必須有結點才能播放動畫", url)
            return;
        }
        if (SKDataUtil.isEmptyString(url)) {
            let sprite = node.getComponent(cc.Sprite);
            if (sprite) {
                sprite.spriteFrame = null;
            }
            let ani = node.getComponent(cc.Animation);
            if (ani) {
                ani.stop();
            }
            return;
        }
        let atlas = cc.loader.getRes(url, cc.SpriteAtlas);
        if (atlas) {
            this.playOfAtlas(node, atlas, url, speed);
            if (this.debug) {
cc.log("從加載圖集緩存中播放動畫", url);
console.log("從加載圖集緩存中播放動畫", url)
            }
            return;
        }
        cc.loader.loadRes(url, cc.SpriteAtlas, (error, result: cc.SpriteAtlas) => {
            if (error) {
cc.warn("加載動畫資源錯誤", url, error.message);
console.log("加載動畫資源錯誤", url, error.message)
                return;
            }
            SKAnimation.playOfAtlas(node, result, url, speed);
        });
    }
// 通過紋理圖集播放動畫
    static playOfAtlas(node: cc.Node, atlas: cc.SpriteAtlas, url: string, speed: number = 12) {
        if (!SKUIUtil.isValid(node)) {
            cc.log("node is invalid......")
            return;
        }
        let frames = atlas.getSpriteFrames();
        let clip = cc.AnimationClip.createWithSpriteFrames(frames, speed);
        clip.name = url;
        clip.wrapMode = cc.WrapMode.Loop;
        let sprite = node.getComponent(cc.Sprite);
        if (!sprite) {
            sprite = node.addComponent(cc.Sprite);
        }
        sprite.spriteFrame = frames[0];
        sprite.sizeMode = cc.Sprite.SizeMode.RAW;
        sprite.trim = false;
        let ani = node.getComponent(cc.Animation);
        if (!ani) {
            ani = node.addComponent(cc.Animation);
        }
        let index = ani.getClips().indexOf(clip);
        if (index == -1) {
            ani.addClip(clip);
        }
        ani.play(clip.name);
        if (this.debug) {
cc.log("播放動畫:", url);
        }
    }
}