using UnityEngine;
using System.Collections;
using System.Collections.Generic;

namespace YLBattle
{
    /// <summary>
    /// 占位管理
    /// </summary>
    public class FightingSeatManager : MonoBehaviour
    {
        /// <summary>
        ///  元素
        /// </summary>
        private List<Transform> mElements = new List<Transform>();

        /// <summary>
        /// 当前战斗占位模式
        /// 0=普通占位 1=PVP
        /// </summary>
        private int seatMode = -1;
        /// <summary>
        /// 
        /// </summary>
        private int mMaxCount = 99;

        /// <summary>
        /// 当前占位根节点
        /// </summary>
        private Transform mSeatRoot = null;

        /// <summary>
        /// 当前占位根节点初始位置
        /// </summary>
        private Vector3 mOrgPosition = Vector3.zero;

        /// <summary>
        /// 实例
        /// </summary>
        public static FightingSeatManager mInstance;

        /// <summary>
        /// 获取单键
        /// </summary>
        /// <returns>单键实例</returns>
        public static FightingSeatManager Instance
        {
            get
            {
                if (mInstance == null)
                {
                    GameObject obj = GameObject.Find("FightingManager");
                    if (obj != null)
                    {
                        mInstance = obj.AddComponent<FightingSeatManager>();

                    }
                }

                return mInstance;
            }
        }

        /// <summary>
        /// 初始化
        /// 卡槽管理+旋转工具+整形工具
        /// </summary>
        public void InitComponents(int mode)
        {
            this.mElements.Clear();

            this.mSeatRoot = BattleStaticFunc.FindTransform(transform, mode == 2 ? "PvPSeat" : "RoleSeat");
            this.mOrgPosition = mSeatRoot.position;

            for (int ei = 0; ei < mMaxCount; ei++)
            {
                Transform obj = BattleStaticFunc.FindTransform(mSeatRoot, "Seat_" + ei.ToString());
                if (obj != null)
                {
                    mElements.Add(obj);
                }
                else
                {
                    break;
                }
            }

        }

        /// <summary>
        /// 通过占位获得占位的Trans
        /// </summary>
        /// <param name="_seat">占位</param>
        /// <param name="_mode">当前战斗模式 0=普通 1=PVP</param>
        /// <returns></returns>
        public Transform GetFightingMapSeat(int _seat, int _mode = 0)
        {
            if (_mode != this.seatMode)
            {
                this.seatMode = _mode;
                InitComponents(this.seatMode);
            }

            if (_seat >= 0 && _seat < this.mElements.Count)
            {
                return this.mElements[_seat];
            }
            return null;
        }

        /// <summary>
        /// 
        /// </summary>
        void Update()
        {
            if (mSeatRoot != null)
            {
                ///同步地图和占位的位置，以达到地图动画和角色共振的效果
                mSeatRoot.position = this.mOrgPosition + FightingMap.Instance.MapPos;
            }
        }

    }

}