/**
  * 检查地块上物品是否成熟(比如鸡蛋、牛奶等)
  * @param $uid
  * @param $data Map record
  */
 private function checkHarvestItem($data)
 {
     if (!$data || !$data->raw_materials) {
         return;
     }
     $store = new StoreModel($this->lang);
     $item = $store->getStoreById($data->id);
     if (!$item || !isset($item->collect_in) || !$item->collect_in) {
         return;
     }
     $collect_in = $item->collect_in / ($data->animals ? $data->animals : 1);
     $num = min(self::MAX_PRODUCTS - $data->products, min($data->raw_materials, floor(($this->timestamp - $data->start_time) / $collect_in)));
     $this->debugMsg('New Products: ' . $num);
     if ($num <= 0) {
         return;
     }
     // 没有饲料了 或者 存储位已满 开始时间为 0
     if ($data->raw_materials == $num || $num + $data->products >= self::MAX_PRODUCTS) {
         $updata = array('products' => $num, 'raw_materials' => 0 - $num, 'start_time' => 0 - $data->start_time);
     } else {
         $updata = array('products' => $num, 'raw_materials' => 0 - $num, 'start_time' => $num * $collect_in);
     }
     // 更新地图
     $map = new MapModel();
     $ret = $map->increaseMapItem($this->uid, $data->x, $data->y, $updata);
     $this->debugMsg($map->getLastQuery());
     return $ret;
 }