/******************************************************************
 *
 * 桥接对象池管理器
 *
 ******************************************************************/

cc.Class( {

    extends: cc.Component,

    ctor: function() {
        this.pools = {};
    },

    onLoad: function() {
        nx.pools = this;
        this.clean();
    },

    onDestroy: function() {
        if( window.nx ){
            nx.pools = null;
            this.clean();
        }
       
        
    },

    // 获取单池(通过Node节点)
    getPool: function( _key, _node, _initCount = 10 ) {

        // 存在返回
        let pool = this.pools[_key];
        if( pool ) {
            return pool;
        }

        // 新建无模板
        if( !_node ) {
            nx.error( `[对象池]不存在${_key},获取失败!` );
            return null;
        }

        // Prefab实例化
        if( _node instanceof cc.Prefab ) {
            _node = cc.instantiate( _node );
        }

        // 新建
        pool = nx.factory.create( "bridge.pool", {
            key: _key,
            prefab: _node,
            count: _initCount,
        } );
        this.pools[_key] = pool;
        return pool;

    },

    // 对象回收
    put: function( _node ) {

        if( !_node ) {
            return;
        }
        
        if( nx.dt.strEmpty( _node.poolKey ) ) {
            nx.error( "回收失败,没有关联池信息!" );
            _node.removeFromParent( true );
            return;
        }

        // 池子不存在
        let pool = this.pools[_node.poolKey];
        if( !pool ) {
            nx.warn( "[回收失败,没有关联池:", _node.poolKey );
            _node.removeFromParent( true );
            return;
        }

        // 回收
        _node.position = cc.Vec2.ZERO;
        pool.put( _node );

    },

    // 全子节点回收
    putChildren: function( _node ) {

        let chds = _node.children;
        while( chds.length > 0 ) {
            this.put( chds[0] );
        }
        _node.removeAllChildren( false );

    },

    // 清理
    clean: function() {

        for( let k in this.pools ) {
            nx.factory.remove( this.pools[k] );
        }
        this.pools = {};

    },

} );