Main/Assets/Code/Logic/SceneOcSystem/SceneOcSystem.cs

using Thousandto.Code.Logic;
using Thousandto.Core.Asset;
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace Thousandto.Code.Center
{
    /// <summary>
    /// 场景遮挡剔除
    /// </summary>
    public class SceneOcSystem
    {
        #region//私有变量
        //是否初始化完成
        private bool _isLoadFinish = false;
        private int _colRow = 0;
        //当前玩家所处的视口id
        private int _curProtalId = 0;
        private List<int> _idList = new List<int>();
        private Dictionary<int, List<string>> _dicOcData = new Dictionary<int, List<string>>();
        private Dictionary<string, Transform> _dicTrans = new Dictionary<string, Transform>();
        #endregion

        #region//属性
        public bool IsLoadFinish
        {
            get
            {
                return _isLoadFinish;
            }
        }
        public Dictionary<int, List<string>> DicOcData
        {
            get
            {
                return _dicOcData;
            }
        }
        #endregion

        #region//公共函数
        //加载数据
        public void LoadParam()
        {
            LoadScriptAsset();
        }
        //检查物件是否被遮挡剔除
        public bool CheckOc( Transform trans )
        {
            LocalPlayer lp = GameCenter.GameSceneSystem.GetLocalPlayer();
            if (lp == null)
                return true;
            //UnityEngine.Debug.LogError(string.Format("玩家在视口： {0} 处", _curProtalId));
            if (_dicOcData.ContainsKey(_curProtalId))
            {
                string path = string.Empty;
                path = GetTransPath(trans, path);
                List<string> listPath = _dicOcData[_curProtalId];
                if (listPath != null)
                {
                    if (listPath.Contains(path))
                        return true;
                }
                else
                    return false;
            }
            else
                return false;
            return false;
        }

        public void Update()
        {
            //判断玩家视口是否改变了
            LocalPlayer lp = GameCenter.GameSceneSystem.GetLocalPlayer();
            if (lp != null)
            {
                int protalId = GetPortalId(lp);
                if (_curProtalId != protalId)
                {
                    _curProtalId = protalId;
                    //玩家所在视口发生了变化 更新物件的遮挡剔除
                    //GameCenter.SceneRestoreSystem.Update();
                }
            }
        }
        #endregion

        #region//私有函数
        private void LoadScriptAsset()
        {
            string name = GameCenter.GameSceneSystem.GetActivedScene().Cfg.LevelName;
            string path = string.Format("Scene/OcclusionCulling/{0}_OcMapScript", name);
            ResourcesEx.LoadAsync(path, AssetTypeCode.None, (o, b, err) =>
            {
                if (o is ScriptableObject)
                {
                    var asset = o as ScriptableObject;
                    Type type = o.GetType();
                    OcMapDataProxy proxy = new OcMapDataProxy(type, asset);
                    proxy.SetOcMapData(_dicOcData, _idList);
                    if (_idList != null && _idList.Count > 0)
                        _colRow = _idList[0];
                    _isLoadFinish = true;
                }
            }, AsyncActionType.LoadObject);
        }

        private int GetPortalId(LocalPlayer lp)
        {
            //int row = (int)Math.Floor((lp.Position.z - GameCenter.SceneRestoreSystem.Min.y) / (GameCenter.SceneRestoreSystem.Max.y - GameCenter.SceneRestoreSystem.Min.y) * _colRow);
            //int col = (int)Math.Floor((lp.Position.x - GameCenter.SceneRestoreSystem.Min.x) / (GameCenter.SceneRestoreSystem.Max.x - GameCenter.SceneRestoreSystem.Min.x) * _colRow);
            //int cel = row * _colRow + col;
            //return cel;
            return 0;
        }

        private string GetTransPath(Transform trans, string path)
        {
            if (trans == null)
                return path;
            if (string.IsNullOrEmpty(path))
                path = string.Format("{0}", trans.name);
            else
                path = string.Format("{0}/{1}", trans.name, path);
            if (string.Equals(trans.name, "SceneRoot"))
                return path;
            return GetTransPath(trans.parent, path);
        }
        #endregion
    }
}