Unity 使用tiledmap解析地图的详细过程

1、先使用tiledmap编辑地图，图层用来刷图块，对象用来定义单个格子的数据

2、为每个图块调属性

3、图块需要单独配置属性的就必须创建对象，并设置值

右键设置属性

4、导出json文件

5、代码如下，详细看相应注释

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

public class tmx : MonoBehaviour
{
    void Start()
    {
        TextAsset text = Resources.Load<TextAsset>(string.Format("{0}/{1}", Const.CONFIG_TMX_PATH, "map1"));//加载tmx文件
        JSONNode data = JSONNode.Parse(text.text).AsObject;//将tmx文本转化为json对象

        //1、对象层操作
        Dictionary<string, JSONNode> objectsDic = new Dictionary<string, JSONNode>();
        string layers_objects = data["layers"][1]["objects"].ToString();
        JSONArray arr_layers_objects = JSONNode.Parse(layers_objects).AsArray;
        int tilewidth = int.Parse(data["tilewidth"]);//获取格子宽
        int tileheight = int.Parse(data["tileheight"]);//获取格子高
        foreach (var obj in arr_layers_objects)//遍历所有对象层上的对象
        {
            int key_x = obj.Value["x"] / tilewidth;//格子x轴 除以 格子宽得出这个对象在x轴第几个格子内
            int key_y = obj.Value["y"] / tileheight;//格子y轴 除以 格子高 得出这个对象在y轴第几个格子内
            objectsDic[string.Format("{0}-{1}", key_y, key_x)] = obj.Value["properties"];//将对象里的值保存到对应格子内
        }

        //图层
        string layers_data = data["layers"][0]["data"].ToString();//获取图层内的二维数组
        JSONArray arr_layers_data = JSONNode.Parse(layers_data).AsArray;
        JSONNode tileproperties = data["tilesets"][0]["tileproperties"];//获取对应图层二维数组内的格子对象
        //int tilesets = int.Parse(tileproperties["1"]["ID"]);

        int col = int.Parse(data["width"]);//获取横向有多少个格子
        int row = int.Parse(data["height"]);//获取纵向有多少个格子
        float sprite_size = 0.66f;//每个方格64像素+空余2像素
        Vector3 vec = new Vector3(-int.Parse((col / 2).ToString()) * sprite_size, int.Parse((row / 2).ToString()) * sprite_size, 0);
        for (int i = 0; i < row; i++)//从左向右
        {
            for (int j = 0; j < col; j++)//从上到下
            {
                int gid = arr_layers_data[j + i * col] - 1;//获取二维数组里的值
                if (gid == -1)//如果此格子没有刷，则值为-1
                    continue;
                JSONNode Dic_Grid = tileproperties[gid.ToString()];//转换对应的格子对象

                var go = Instantiate(Resources.Load(string.Format("{0}/{1}", Const.PREFAB_PATH, "Grid"))) as GameObject;
                go.name = string.Format("{0}_{1}_{2}", i, j, int.Parse(Dic_Grid["ID"]));//获取格子对象的ID
                go.transform.SetParent(transform);

                if (objectsDic.ContainsKey(string.Format("{0}-{1}", i, j)))
                {
                    var __objectsDic = objectsDic[string.Format("{0}-{1}", i, j)];
                    if (__objectsDic["ROW"] != null && __objectsDic["COL"] != null)
                    {
                        int __col = int.Parse(__objectsDic["COL"]);
                        int __row = int.Parse(__objectsDic["ROW"]);
                        var start = vec + new Vector3(sprite_size * j, -sprite_size * i, 0);
                        var end = vec + new Vector3(sprite_size * (j + __col - 1), -sprite_size * (i + __row - 1), 0);
                        var pos = (start + end) / 2f;
                        go.transform.localPosition = pos;
                        go.GetComponent<SpriteRenderer>().size = new Vector2(go.GetComponent<SpriteRenderer>().size.x * __col + 0.02f * __col - 0.02f, 0.675f * __row + 0.02f * __row - 0.02f);
                    }
                    else if (__objectsDic["ROW"] != null)
                    {
                        var start = vec.y - sprite_size * i;
                        var end = vec.y - sprite_size * (i + int.Parse(__objectsDic["ROW"]) - 1);
                        var y = (start + end) / 2f;
                        go.transform.localPosition = new Vector3(sprite_size * j + vec.x, y, 0);
                    }
                    else if (__objectsDic["COL"] != null)
                    {
                        var start = vec.x + sprite_size * j;
                        var end = vec.x + sprite_size * (j + int.Parse(__objectsDic["COL"]) - 1);
                        var x = (start + end) / 2f;
                        go.transform.localPosition = new Vector3(x, -sprite_size * i + vec.y, 0);
                    }
                    else
                    {
                        go.transform.localPosition = vec + new Vector3(sprite_size * j, -sprite_size * i, 0);
                    }
                }
                //if (Dic_Grid["ROW"] != null && Dic_Grid["COL"] != null)
                //{
                //    var start = vec + new Vector3(sprite_size * j, -sprite_size * i, 0);
                //    var end = vec + new Vector3(sprite_size * (j + int.Parse(Dic_Grid["COL"]) - 1), -sprite_size * (i + int.Parse(Dic_Grid["ROW"]) - 1), 0);
                //    var pos = (start + end) / 2f;
                //    go.transform.localPosition = pos;
                //}
                //else if (Dic_Grid["ROW"] != null)
                //{
                //    var start = vec.y - sprite_size * i;
                //    var end = vec.y - sprite_size * (i + int.Parse(Dic_Grid["ROW"]) - 1);
                //    var y = (start + end) / 2f;
                //    go.transform.localPosition = new Vector3(sprite_size * j + vec.x, y, 0);
                //}
                //else if (Dic_Grid["COL"] != null)
                //{
                //    var start = vec.x + sprite_size * j;
                //    var end = vec.x + sprite_size * (j + int.Parse(Dic_Grid["COL"]) - 1);
                //    var x = (start + end) / 2f;
                //    go.transform.localPosition = new Vector3(x, -sprite_size * i + vec.y, 0);
                //}
                else
                {
                    go.transform.localPosition = vec + new Vector3(sprite_size * j, -sprite_size * i, 0);
                }

            }
        }

        //Debug.Log(int.Parse((5 / 2).ToString()));
    }

    void Update()
    {

    }
}

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