调用xlua读取lua脚本

发表于 2023/10/25 更新于 2023/11/07

作者 Jauved

4 分钟阅读

调用xlua读取lua脚本

00 前言

对于一些形如以下格式的数据, 可能需要通过c#去读取这些lua数据.

01 处理方法

首先, 安装xlua, 将Assets和Tools保持路径覆盖到Unity工程中即可. 然后打开工程运行”XLua->Generate Code”.

之后, 编写以下主类脚本

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

[Serializable]
public class LuaLoader<T>
{
    public TextAsset luaScript; // 从Resources加载的Lua脚本
    [HideInInspector]
    public Dictionary<int, T> DataDictionary;

    private LuaEnv _luaEnv;
    public Dictionary<int, T> GetData()
    {
        // TextAsset luaScript = Resources.Load<TextAsset>("Cfg_Effect.lua");
        // Debug.Log(luaScript.text);
        _luaEnv = _luaEnv ?? new LuaEnv();

        // 执行Lua脚本
        _luaEnv.DoString(luaScript.text);

        // 获取Lua表中的数据
        // var data = _luaEnv.Global.Get<Dictionary<int,Dictionary<string,object>>>("data");
        var data2 = _luaEnv.Global.Get<Dictionary<int, T>>("data");

        // Debug.Log(data2[1].Path);
        // 将数组赋值给到CfgEffects以便外部调用.
        DataDictionary = data2;
        return data2;
    }

    public void Dispose()
    {
        _luaEnv.Dispose();
    }
}

然后, 根据数据结构编写以下子类和对应的结构体即可:

  
using System;
using UnityEngine;

[Serializable]
public class LuaEffectLoader : LuaLoader<CfgEffect>
{

    public void Check()
    {
        DataDictionary[1].DebugLog();
    }

}

public struct CfgEffect
{
    public int EffectId;
    public string Path;
    public string Path2;
    public int DestoryTime;
    public int PreLoadEff;
    public int FlowBones;
    public int Direction;
    public int FollowScale;
    public int Mirror;
    public int Scaling;

    public void DebugLog()
    {
        Debug.Log($"EffectId:   {EffectId}\nPath:   {Path}");
    }
}

并用一个统一的单例来管理

  
public class SkillPreviewerDataManager : MonoSingleton<SkillPreviewerDataManager>
{
    public LuaEffectLoader luaEffectLoader = new LuaEffectLoader();
    public LuaSkillLoader luaSkillLoader = new LuaSkillLoader();

    protected override void Awake()
    {
        base.Awake();
    }
    void Start()
    {
        luaEffectLoader.GetData();
        luaSkillLoader.GetData();
        luaEffectLoader.Check();
        luaSkillLoader.Check();
    }

    // Update is called once per frame
    void Update()
    {
        
    }
    
    private void OnDestroy()
    {
        // 释放LuaEnv
        luaEffectLoader.Dispose();
        luaSkillLoader.Dispose();
    }
}

单例的父类

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

public abstract class MonoSingleton<T> : MonoBehaviour where T : MonoSingleton<T>
{
    private static T _instance;
    public static T instance
    {
        get
        {
            if (_instance==null)
            {
                Debug.Log(typeof(T).ToString()+"is Null");
                // Do Something
            }
            return _instance;
        }
    }

    protected virtual void Awake()
    {
        _instance = this as T;
    }

}