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https://github.com/pangweiwei/slua

Fastest lua binding via static code generating for Unity3D and mono.
https://github.com/pangweiwei/slua

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Fastest lua binding via static code generating for Unity3D and mono.

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# slua

Fastest lua binding via static code generating for Unity3D or mono



Website: http://www.slua.net



slua for Unreal https://github.com/Tencent/sluaunreal



## Continuous Integration Build



| Build | Platform | Type    | Status  |

| ---   | ---      | ---     | ---     |

| *slua-unity* | None | None | None |

| **slua-standalone** | Linux   | Test,Build | [![Build Status](https://travis-ci.org/mr-kelly/slua.svg)](https://travis-ci.org/mr-kelly/slua) |

| **slua-standalone** | Windows | Test,Build,Deploy | [![Build status](https://ci.appveyor.com/api/projects/status/vokwhnu95lx5e8g3?svg=true)](https://ci.appveyor.com/project/mr-kelly/slua) |



## Release Download



- [slua-unity](https://github.com/pangweiwei/slua/releases/latest)

- [slua-standalone](https://www.nuget.org/packages/slua-standalone)



## Integrate with 3rd Lua Library



Standard slua release doesn't contains any 3rd Lua library(like protobuf, lpeg etc), if you want to use this library, can visit this forked repo https://github.com/luzexi/slua, it focus slua on integrate with other 3rd library.



## Use SLua without Unity3D



You can use slua without Unity3D dependency, it call **slua-standalone**. Useful for C# server development. Find it on https://www.nuget.org/packages/slua-standalone , and it's maintained by https://github.com/mr-kelly/slua.



## Framework with slua



You can use this framework to start your project.



This repo https://github.com/lwkl/xproject universal loading framework using slua load lua byte code in all platform.



This repo http://linkcloud.github.io/ poker game using slua.



This repo https://github.com/mr-kelly/KSFramework based on slua for hot reloadable asset bundle framework.



This repo https://github.com/lulersoft/ME_SLua based on slua for simple game framework.



This repo https://github.com/yaukeywang/2DPlatformer-SLua demonstrate 2DPlatformer game using slua.



This repo https://github.com/tenvick/hugula demonstrate Tetris game using slua.



## Help



See inner demo for help or [Document](https://github.com/pangweiwei/slua/wiki) (in chinese).



## Important



For running demo sucessful, you should generate lua wrap file by your self:



Click menu, SLua->All->Make  generate all wrap file for your version of unity.



***Had tested for Unity4.6.1/4.6.2/4.6.3/5.0/5.1/5.2/5.3/5.4/5.5***



## Main feature



- static code generating, no reflection, no extra gc alloc, very fast

- remote debugger

- full support iOS/iOS64, support il2cpp

- above 90% UnityEngine interface exported ( remove flash, platform dependented interface )

- 100% UnityEngine.UI interface ( require Unity4.6+ )

- support standalone mode in .net framework/mono without Unity3D

- support UnityEvent/UnityAction for event callback via lua function

- support delegate via lua function (include iOS)

- support yield call

- support custom class exported

- support extension method

- export enum as integer

- return array as lua table

- using raw luajit, can be replaced with lua5.3/lua5.1



## Usage



copy Assets/Plugins Assets/Slua to your $Project$/Assets folder, you will see Slua menu, 



click Unity->Make UnityEngine, regenerate UnityEngine interface for lua



click Unity->Make UI, regenerate UnityEngine.UI interface for lua



click Custom->Make, generate custom class interface for lua



Clear custom, delete all generated custom interface



Slua/LuaObject contain pre-generated file for exported interface.



Precompiled slua library in Plugins only included x86(32bit)/macosx(32bit)/iOS(armv7,armv7s,arm64)/Android(armv7-a) platform using luajit, you should compile other platform/lua5.1/luajit by yourself, see build.txt for help.



## Usage at a glance



~~~~~~~~~~lua



-- import

import "UnityEngine"



function main()



	-- create gameobject

	local cube = GameObject.CreatePrimitive(UnityEngine.PrimitiveType.Cube)



	-- find gameobject

	local go = GameObject.Find("Canvas/Button")

	

	-- get component by type name

	local btn = go:GetComponent("Button")

	

	-- get out parameter

	local ok,hitinfo = Physics.Raycast(Vector3(0,0,0),Vector3(0,0,1),Slua.out)

	print("Physics Hitinfo",ok,hitinfo)

	

	-- foreach enumeratable object

	for t in Slua.iter(Canvas.transform) do

		print("foreach transorm",t)

	end

	

	-- add event listener

	btn.onClick:AddListener(function()

		local go = GameObject.Find("Canvas/Text")

		local label = go:GetComponent("Text")

		label.text="hello world"

	end)

	

	-- use vector3

	local pos = Vector3(10,10,10)+Vector3(1,1,1)

	cube.transform.position = pos

	

	-- use coroutine

	local c=coroutine.create(function()

		print "coroutine start"



		Yield(WaitForSeconds(2))

		print "coroutine WaitForSeconds 2"



		local www = WWW("http://www.sineysoft.com")

		Yield(www)

		print(#Slua.ToString(www.bytes))

	end)

	coroutine.resume(c)



	-- add delegate

	Deleg.daction = {"+=",self.actionD} --it's ok for iOS

	

	-- remove delegate

	Deleg.daction = {"-=",self.actionD} --it's ok for iOS

	

	-- set delegate

	Deleg.daction = function() print("callback") end --it's ok for iOS

	

	-- remove all

	Deleg.daction = nil

end



~~~~~~~~~~



## Export custom class



add CustomLuaClass attribute to your custom class, waiting for compile completed, click "SLua->Custom->Make", you will get interface file for lua.



~~~~~~~~~~c#



[CustomLuaClass]

public class HelloWorld   {



}



~~~~~~~~~~



## Debugger Support



https://github.com/Tencent/luapanda



### Benchmark



compared with ulua/raw mono.



**with luajit**



![](benchmark.png)



unit is secend, run 200k times / test, more smarller more better.