import { GameUIObject } from './GameUIObject';
export class GameUIScene extends GameUIObject {
    name: string;
    /** 
     * 递归获取游戏场景中所有名字为name的游戏对象
     */
    getGameObjectsRecursion(name: string): GameUIObject[] {
        if (!name || !this.children) return null;
        var _gameobjects: GameUIObject[]    = [];
        for (var i: number = 0, l: number   = this.children.length; i < l; i++) {
            this._findGameobject(name, this.children[i], _gameobjects);
        }
        return _gameobjects;
    }

    private _findGameobject(name: string, gameuiobject: GameUIObject, list: GameUIObject[]) {
        if (gameuiobject.name === name) {
            list.push(gameuiobject);
        } else {
            if (gameuiobject.children) {
                for (let i: number = 0, l: number = gameuiobject.children.length; i < l; i++){
                    this._findGameobject(name, gameuiobject.children[i], list);
                }
            }
        }
    }

    getGameObjectByUID(uid: number): GameUIObject{
        let list: GameUIObject[] = [];
        for (let i: number = 0, l: number = this.children.length; i < l; i++){
            this._search(uid, this.children[i], list);
            if (list.length > 0)
                break;    
        }
        return list[0];    
    }

    private _search(compareUID: number, uiGameobject: GameUIObject, list: GameUIObject[]) {
        if (compareUID === uiGameobject.UID) {
            list.push(uiGameobject);
            return;
        } else {
            if (uiGameobject.children) {
                for (let i: number = 0, l: number = uiGameobject.children.length; i < l; i++){
                    this._search(compareUID, uiGameobject.children[i], list);
                }
            }
        }
    }
}