调用Lua方法

CallLuaFunction.cs

  1.     //#define TEST_GC
  2.     using UnityEngine;
  3.     using System.Collections;
  4.     using LuaInterface;
  5.     using System;
  7.     public class CallLuaFunction : MonoBehaviour 
  8.     {
  9.         private string script = 
  10.             @"  function luaFunc(num)                        
  11.                     return num + 1
  12.                 end
  14.                 test = {}
  15.                 test.luaFunc = luaFunc
  16.             ";
  18.         LuaFunction func = null;
  19.         LuaState lua = null;
  20.         string tips = null;
  22.         void Start () 
  23.         {
  24.     #if !TEST_GC
  25.         #if UNITY_5
  26.             Application.logMessageReceived += ShowTips;
  27.         #else
  28.             Application.RegisterLogCallback(ShowTips);
  29.         #endif
  30.     #endif
  31.             lua = new LuaState();
  32.             lua.Start();
  33.             lua.DoString(script);
  35.             //Get the function object
  36.             func = lua.GetFunction("test.luaFunc");
  38.             if (func != null)
  39.             {
  40.                 //有gc alloc
  41.                 object[] r = func.Call(123456);
  42.                 Debugger.Log("generic call return: {0}", r[0]);
  44.                 // no gc alloc
  45.                 int num = CallFunc();
  46.                 Debugger.Log("expansion call return: {0}", num);
  47.             }
  49.             lua.CheckTop();
  50.         }
  52.         void ShowTips(string msg, string stackTrace, LogType type)
  53.         {
  54.             tips += msg;
  55.             tips += "\r\n";
  56.         }
  58.     #if !TEST_GC
  59.         void OnGUI()
  60.         {
  61.             GUI.Label(new Rect(Screen.width / 2 - 200, Screen.height / 2 - 150, 400, 300), tips);
  62.         }
  63.     #endif
  65.         void OnDestroy()
  66.         {
  67.             if (func != null)
  68.             {
  69.                 func.Dispose();
  70.                 func = null;
  71.             }
  73.             lua.Dispose();
  74.             lua = null;
  76.     #if !TEST_GC
  77.         #if UNITY_5
  78.             Application.logMessageReceived -= ShowTips;
  79.         #else
  80.             Application.RegisterLogCallback(null);
  81.         #endif
  82.     #endif
  83.         }
  85.         int CallFunc()
  86.         {        
  87.             func.BeginPCall();                
  88.             func.Push(123456);
  89.             func.PCall();        
  90.             int num = (int)func.CheckNumber();                    
  91.             func.EndPCall();
  92.             return num;                
  93.         }
  95.         //在profiler中查看gc alloc
  96.     #if TEST_GC
  97.         void Update () 
  98.         {
  99.             func.Call(123456);
  100.             //CallFunc();        
  101.         }
  102.     #endif
  103.     }

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