xlua - 增加protobuf库
lua下常用的2个protobuf库
1) GitHub - starwing/lua-protobuf: A Lua module to work with Google protobuf
2) GitHub - cloudwu/pbc: A protocol buffers library for C
这边使用第1个库
a) 下载lua-protobuf源码,并解压到xlua的build文件夹根目录
b) CMakeLists.txt中加入以下配置
#begin lua-profobuf set (LPB_SRC "lua-protobuf-master/pb.c") set_property( SOURCE ${LPB_SRC} APPEND PROPERTY COMPILE_DEFINITIONS LUA_LIB ) list(APPEND THIRDPART_INC lua-protobuf) set(THIRDPART_SRC ${THIRDPART_SRC} ${LPB_SRC}) #end lua-protobuf
c) 这边要编译Window下的lua5.3的x64版本的dll,所以运行make_win64_lua53.bat
d) 将新生成的xlua.dll替换Unity中的(如果Unity已打开,需要重启下,才能加载新的dll)
e) 测试是否成功
新建MyLua.cs,用于放dll加载代码
namespace XLua.LuaDLL { public partial class Lua { [DllImport(LUADLL, CallingConvention = CallingConvention.Cdecl)] public static extern int luaopen_pb(System.IntPtr L); [MonoPInvokeCallback(typeof(LuaDLL.lua_CSFunction))] public static int LoadPb(System.IntPtr L) { return luaopen_pb(L); } } }
新建Lua脚本,Lua/Test8.lua.txt
local pb = require("pb") local serpent = require("Scenes.serpent") local protoBytes = Test8MonoInst:LoadProtoFile() pb.load(protoBytes) local data = { name = "Alice", id = 12345, phone = { { number = "1301234567" }, { number = "87654321", type = "WORK" }, } } local data2 = pb.encode("demo.Person", data) local data3 = pb.decode("demo.Person", data2) print(serpent.block(data3))
新建测试脚本Test8.cs
using System.Text; using UnityEditor; using UnityEngine; using XLua; public class Test8 : MonoBehaviour { private LuaEnv m_LuaEnv; void Start() { m_LuaEnv = new LuaEnv(); m_LuaEnv.AddLoader((ref string filePath) => { Debug.Log($"custom loader:{filePath}"); filePath = filePath.Replace('.', '/'); filePath = $"Assets/{filePath}.lua.txt"; var txtAsset = AssetDatabase.LoadAssetAtPath<TextAsset>(filePath); return Encoding.UTF8.GetBytes(txtAsset.text); }); m_LuaEnv.AddBuildin("pb", XLua.LuaDLL.Lua.LoadPb); m_LuaEnv.Global.Set("Test8MonoInst", this); m_LuaEnv.DoString("require('Lua.Test8')"); } void OnDestroy() { if (null != m_LuaEnv) m_LuaEnv.Dispose(); } public byte[] LoadProtoFile() { var txtAsset = AssetDatabase.LoadAssetAtPath<TextAsset>($"Assets/proto.bytes"); //不要用.bytes.txt这样的后缀, 会按错误的Encoding去当做文本读的 if (null != txtAsset) { byte[] bytes = txtAsset.bytes; if (null == bytes) bytes = Encoding.UTF8.GetBytes(txtAsset.text); return bytes; } return null; } }
f) 涉及的proto文件:Src/AddressBook.proto
syntax = "proto2"; package demo; option java_package = "com.demo"; option java_outer_classname = "AddressBook"; message Person { required string name = 1; required int32 id = 2; // Unique ID number for this person. optional string email = 3; enum PhoneType { MOBILE = 0; HOME = 1; WORK = 2; } message PhoneNumber { required string number = 1; optional PhoneType type = 2 [default = HOME]; } repeated PhoneNumber phone = 4; repeated int32 test = 5 [packed=true]; extensions 10 to max; } message Ext { extend Person { optional int32 test = 10; } } // Our address book file is just one of these. message AddressBook { repeated Person person = 1; }
下载proto工具:Releases · protocolbuffers/protobuf (github.com)
proto文件生成二进制文件bat
protoGen.bat
@ECHO OFF CHCP 65001 ECHO start protoc -o "./proto.bytes" "./Src/*.proto" ECHO finsh ECHO= PAUSE
g)
参考
lua-protobuf 使用说明 - 知乎 (zhihu.com)
[游戏开发][unity]Xlua中使用proto、json、lpeg_xlua cjson-CSDN博客
build_xlua_with_libs/build at master · chexiongsheng/build_xlua_with_libs · GitHub
[RS] xLua从LuaJit升级Lua5.3记录 - 简书 (jianshu.com)