/**
 * 4.塔的普通攻击CD减少
 * @Author: chenxin
 * @Date: 2020-11-16 20:19:32
 */
namespace KTGMGemClient
{
    public class DecreaseTowerAttackCD : EndlessBuff
    {
        /// 根据宝石id获得计算好的CD值
        /// </summary>
        /// <param name="gemId">Tower的id</param>
        /// <param name="fireDuration">发射时间间隔</param>
        /// <returns></returns>
        public float GetDecreaseCD(int gemId, float fireDuration)
        {
            float ret = fireDuration;

            for (int i = 0; i < BuffList.Count; ++i)
            {
                if (!IsEffective(BuffList[i], gemId)) continue;

                ret -= BuffList[i].Config.buff_effect[1];

                // 小于下限，就不会再减少了
                if (ret <= BuffList[i].Config.buff_effect[2])
                {
                    ret = BuffList[i].Config.buff_effect[2];
                    break;
                }
            }

            return ret;
        }
    }
}