public void OnActivate()
{
// Create the lua state
luastate = new Lua();
// Setup hooks
dctHooks = new Dictionary<string, List<LuaFunction>>();
// Bind functions
BindFunction("print", "print");
luastate.NewTable("hook");
BindFunction("hook.Add", "hook_Add");
luastate.NewTable("library");
BindFunction("library.AddWeapon", "library_AddWeapon");
BindFunction("library.AddSystem", "library_AddSystem");
BindFunction("library.AddRace", "library_AddRace");
BindFunction("library.AddShipGenerator", "library_AddShipGenerator");
BindFunction("library.AddSectorMapGenerator", "library_AddSectorMapGenerator");
BindFunction("library.GetWeapon", "library_GetWeapon");
BindFunction("library.GetSystem", "library_GetSystem");
BindFunction("library.GetRace", "library_GetRace");
BindFunction("library.GetShip", "library_GetShipGenerator");
BindFunction("library.GetSectorMapGenerator", "library_GetSectorMapGenerator");
BindFunction("library.CreateAnimation", "library_CreateAnimation");
luastate.NewTable("ships");
BindFunction("ships.NewDoor", "ships_NewDoor"); // Is there any way to call the constructor directly from lua code?
// Load lua files
if (!Directory.Exists("lua")) Directory.CreateDirectory("lua");
foreach (string name in Directory.GetFiles("lua"))
luastate.DoFile("lua/" + name);
}
public Engine()
{
Lua = new LuaInterface.Lua();
Lua.NewTable("Client");
Lua.RegisterFunction("Client.ChangeState", this, this.GetType().GetMethod("ChangeClientState"));
Lua.NewTable("NS");
Lua.NewTable("NS.Minor");
Lua.RegisterFunction("NS.Run", this, this.GetType().GetMethod("MethodName"));
Lua.RegisterFunction("Print", this, this.GetType().GetMethod("Print"));
Lua.RegisterFunction("print", this, this.GetType().GetMethod("Print"));
}
public static void Enumeration <T>(Lua lua)
{
#region Sanity checks
if (lua.IsNull())
{
throw new ArgumentNullException("lua");
}
#endregion
var type = typeof(T);
if (!type.IsEnum)
{
throw new ArgumentException("The type must be an enumeration!");
}
string[] names = Enum.GetNames(type);
var values = (T[])Enum.GetValues(type);
lua.NewTable(type.Name);
for (int i = 0; i < names.Length; i++)
{
string path = type.Name + "." + names[i];
lua[path] = values[i];
}
}
public static LuaTable CreateTable(this LuaInterface.Lua lua, string tableName)
{
if (string.IsNullOrEmpty(tableName))
{
throw new ArgumentNullException(nameof(tableName));
}
lua.NewTable(tableName);
return(lua.GetTable(tableName));
}
//[STAThread]
private static void Main(string[] args)
{
if (args.Length > 0)
{
// For attaching from the debugger
// Thread.Sleep(20000);
using (var lua = new LuaInterface.Lua())
{
//lua.OpenLibs(); // steffenj: Lua 5.1.1 API change (all libs already opened in Lua constructor!)
lua.NewTable("arg");
LuaTable argc = (LuaTable)lua["arg"];
argc[-1] = "LuaRunner";
argc[0] = args[0];
for (int i = 1; i < args.Length; i++)
{
argc[i] = args[i];
}
argc["n"] = args.Length - 1;
try
{
//Console.WriteLine("DoFile(" + args[0] + ");");
lua.DoFile(args[0]);
}
catch (Exception e)
{
// steffenj: BEGIN error message improved, output is now in decending order of importance (message, where, stacktrace)
// limit size of strack traceback message to roughly 1 console screen height
string trace = e.StackTrace;
if (e.StackTrace.Length > 1300)
{
trace = e.StackTrace.Substring(0, 1300) + " [...] (traceback cut short)";
}
Console.WriteLine();
Console.WriteLine(e.Message);
Console.WriteLine(e.Source + " raised a " + e.GetType().ToString());
Console.WriteLine(trace);
// wait for keypress if there is an error
Console.ReadKey();
// steffenj: END error message improved
}
}
}
else
{
Console.WriteLine("LuaRunner -- runs Lua scripts with CLR access");
Console.WriteLine("Usage: luarunner <script.lua> [{<arg>}]");
}
}
public static void Main(string[] args)
{
if(args.Length > 0)
{
// For attaching from the debugger
// Thread.Sleep(20000);
using(Lua lua = new Lua())
{
//lua.OpenLibs(); // steffenj: Lua 5.1.1 API change (all libs already opened in Lua constructor!)
lua.NewTable("arg");
LuaTable argc = (LuaTable)lua["arg"];
argc[-1] = "LuaRunner";
argc[0] = args[0];
for(int i = 1; i < args.Length; i++)
argc[i] = args[i];
argc["n"] = args.Length - 1;
try
{
//Console.WriteLine("DoFile(" + args[0] + ");");
lua.DoFile(args[0]);
}
catch(Exception e)
{
// steffenj: BEGIN error message improved, output is now in decending order of importance (message, where, stacktrace)
// limit size of strack traceback message to roughly 1 console screen height
string trace = e.StackTrace;
if(e.StackTrace.Length > 1300)
trace = e.StackTrace.Substring(0, 1300) + " [...] (traceback cut short)";
Console.WriteLine();
Console.WriteLine(e.Message);
Console.WriteLine(e.Source + " raised a " + e.GetType().ToString());
Console.WriteLine(trace);
// wait for keypress if there is an error
Console.ReadKey();
// steffenj: END error message improved
}
}
}
else
{
Console.WriteLine("LuaRunner -- runs Lua scripts with CLR access");
Console.WriteLine("Usage: luarunner <script.lua> [{<arg>}]");
}
}
public void OnActivate(params object[] args)
{
// Create the lua state
luastate = new Lua();
// Setup hooks
dctHooks = new Dictionary<string, List<LuaFunction>>();
// Bind functions
BindFunction("print", "print");
luastate.NewTable("hook");
BindFunction("hook.Add", "hook_Add");
luastate.NewTable("library");
BindFunction("library.AddWeapon", "library_AddWeapon");
BindFunction("library.AddSystem", "library_AddSystem");
BindFunction("library.AddRace", "library_AddRace");
BindFunction("library.AddItem", "library_AddItem");
BindFunction("library.AddShipGenerator", "library_AddShipGenerator");
BindFunction("library.AddSectorMapGenerator", "library_AddSectorMapGenerator");
BindFunction("library.GetWeapon", "library_GetWeapon");
BindFunction("library.GetSystem", "library_GetSystem");
BindFunction("library.GetRace", "library_GetRace");
BindFunction("library.GetItem", "library_GetItem");
BindFunction("library.GetShip", "library_GetShipGenerator");
BindFunction("library.GetSectorMapGenerator", "library_GetSectorMapGenerator");
BindFunction("library.CreateAnimation", "library_CreateAnimation");
luastate.NewTable("ships");
// You can't pass non-empty LuaTables to constructors. Possibly a bug in LI.
BindFunction("ships.NewDoor", "ships_NewDoor");
// Load lua files
if (!Directory.Exists("lua")) Directory.CreateDirectory("lua");
foreach (string name in Directory.GetFiles("lua"))
luastate.DoFile(name);
}
public static LuaTable ToLuaTable(Lua lua, object obj)
{
var table = lua.NewTable();
var type = obj.GetType();
var methods = type.GetMethods();
foreach (var method in methods)
{
if (method.IsPublic)
{
table[method.Name] = lua.RegisterFunction("", obj, method);
}
}
return table;
}
private LuaTable ToLuaTable(MemoryTable table)
{
String name = "memory_table_" + new Random().Next().ToString();
lua.NewTable(name);
LuaTable newTable = lua.GetTable(name);
foreach (KeyValuePair <String, Object> obj in newTable)
{
if (obj.GetType() == typeof(MemoryTable))
{
newTable[obj.Key] = ToLuaTable((MemoryTable)obj.Value);
}
else
{
newTable[obj.Key] = obj.Value;
}
}
return(newTable);
}
/*
* Sample test script that shows some of the capabilities of
* LuaInterface
*/
public static void Main()
{
Console.WriteLine("Starting interpreter...");
Lua l=new Lua();
Console.WriteLine("Reading test.lua file...");
l.DoFile("test.lua");
double width=l.GetNumber("width");
double height=l.GetNumber("height");
string message=l.GetString("message");
double color_r=l.GetNumber("color.r");
double color_g=l.GetNumber("color.g");
double color_b=l.GetNumber("color.b");
Console.WriteLine("Printing values of global variables width, height and message...");
Console.WriteLine("width: "+width);
Console.WriteLine("height: "+height);
Console.WriteLine("message: "+message);
Console.WriteLine("Printing values of the 'color' table's fields...");
Console.WriteLine("color.r: "+color_r);
Console.WriteLine("color.g: "+color_g);
Console.WriteLine("color.b: "+color_b);
width=150;
Console.WriteLine("Changing width's value and calling Lua function print to show it...");
l["width"]=width;
l.GetFunction("print").Call(width);
message="LuaNet Interface Test";
Console.WriteLine("Changing message's value and calling Lua function print to show it...");
l["message"]=message;
l.GetFunction("print").Call(message);
color_r=30;
color_g=10;
color_b=200;
Console.WriteLine("Changing color's fields' values and calling Lua function print to show it...");
l["color.r"]=color_r;
l["color.g"]=color_g;
l["color.b"]=color_b;
l.DoString("print(color.r,color.g,color.b)");
Console.WriteLine("Printing values of the tree table's fields...");
double leaf1=l.GetNumber("tree.branch1.leaf1");
string leaf2=l.GetString("tree.branch1.leaf2");
string leaf3=l.GetString("tree.leaf3");
Console.WriteLine("leaf1: "+leaf1);
Console.WriteLine("leaf2: "+leaf2);
Console.WriteLine("leaf3: "+leaf3);
leaf1=30; leaf2="new leaf2";
Console.WriteLine("Changing tree's fields' values and calling Lua function print to show it...");
l["tree.branch1.leaf1"]=leaf1; l["tree.branch1.leaf2"]=leaf2;
l.DoString("print(tree.branch1.leaf1,tree.branch1.leaf2)");
Console.WriteLine("Returning values from Lua with 'return'...");
object[] vals=l.DoString("return 2,3");
Console.WriteLine("Returned: "+vals[0]+" and "+vals[1]);
Console.WriteLine("Calling a Lua function that returns multiple values...");
object[] vals1=l.GetFunction("func").Call(2,3);
Console.WriteLine("Returned: "+vals1[0]+" and "+vals1[1]);
Console.WriteLine("Creating a table and filling it from C#...");
l.NewTable("tab");
l.NewTable("tab.tab");
l["tab.a"]="a!";
l["tab.b"]=5.5;
l["tab.tab.c"]=6.5;
l.DoString("print(tab.a,tab.b,tab.tab.c)");
Console.WriteLine("Setting a table as another table's field...");
l["tab.a"]=l["tab.tab"];
l.DoString("print(tab.a.c)");
Console.WriteLine("Registering a C# static method and calling it from Lua...");
// Pause so we can connect with the debugger
// Thread.Sleep(30000);
l.RegisterFunction("func1",null,typeof(TestLuaInterface).GetMethod("func"));
vals1=l.GetFunction("func1").Call(2,3);
Console.WriteLine("Returned: "+vals1[0]);
TestLuaInterface obj=new TestLuaInterface();
Console.WriteLine("Registering a C# instance method and calling it from Lua...");
l.RegisterFunction("func2",obj,typeof(TestLuaInterface).GetMethod("funcInstance"));
vals1=l.GetFunction("func2").Call(2,3);
Console.WriteLine("Returned: "+vals1[0]);
Console.WriteLine("Testing throwing an exception...");
obj.ThrowUncaughtException();
Console.WriteLine("Testing catching an exception...");
obj.ThrowException();
Console.WriteLine("Testing inheriting a method from Lua...");
obj.LuaTableInheritedMethod();
Console.WriteLine("Testing overriding a C# method with Lua...");
obj.LuaTableOverridedMethod();
Console.WriteLine("Stress test RegisterFunction (based on a reported bug)..");
obj.RegisterFunctionStressTest();
Console.WriteLine("Test structures...");
obj.TestStructs();
Console.WriteLine("Test Nullable types...");
obj.TestNullable();
Console.WriteLine("Test functions...");
obj.TestFunctions();
Console.WriteLine("Test event exceptions...");
obj.TestEventException();
}
public static LuaTable CreateTable(this LuaInterface.Lua lua)
{
lua.NewTable("my");
return(lua.GetTable("my"));
}
/// <summary>
///
/// </summary>
/// <param name="name"></param>
/// <returns></returns>
public LuaTable CreateTable(string name)
{
_lua.NewTable(name);
return(_lua.GetTable(name));
}
public static void Register(Lua L)
{
L.NewTable("utils");
LuaRegistrationHelper.TaggedStaticMethods(L,typeof(MyClass));
}
static void Main(string[] args)
{
Console.WriteLine("Hellow Lua");
#region 使用C#写lua,并在lua虚拟机中执行 ---字段属性篇
// 第一种 : 创建lua虚拟机的形式直接写lua
Lua lua = new Lua(); // 创建lua虚拟机(lua解析器)
lua["m_Age"] = 23;
lua["m_PlayerName"] = "胖儿子";
lua.NewTable("m_HeroTable");
Console.WriteLine(lua["m_Age"] + "----" + lua["m_PlayerName"]);
// C#和lua中变量对应参考:
// nil ------ null
// string ------ System.String
// number ------ System.Double
// boolean ------ System.Boolean
// table ------ LuaInterface.LuaTable
// function ------ LuaInterface.LuaFunction
double age = (double)lua["m_Age"];
string name = (string)lua["m_PlayerName"];
Console.WriteLine(age + "---" + name);
// 第二种 : 使用lua.DoString() 编写Lua
lua.DoString("account = 20170504");
lua.DoString("str = 'youga'");
object[] result = lua.DoString("return str, account");
foreach (object item in result)
{
Console.WriteLine(item);
}
// 第三种: lua.DoFile() 编写Lua
//1. 解决方案 - 右击 LuaInterface(项目名) - 添加 - 新建项 - 建一个名为LuaTest.lua的类
//2. 把lua代码放进去,把编码格式改为ANSI(可以用Notepad++)
//3. 右击LuaTest.lua - 属性 - 复制到输出目录 - 选择始终复制即可
lua.DoFile("LuaTest.lua");
#endregion
#region 使用C#写lua,并在lua虚拟机中执行 ---方法篇
//1. 将一个类里面的普通方法注册进lua中并执行
TestClass t = new TestClass();
// 注意: 普通方法一定要注明是哪个对象
lua.RegisterFunction("MyNormalCLRMethod", t, t.GetType().GetMethod("MyNormalCLRMethod"));
lua.DoString("MyNormalCLRMethod()");
// 如果是开发时一般名字要保持一致,这里只是为了演示C#代码给lua执行的意思
//2. 将一个类里面的静态方法注册进Lua中并执行
lua.RegisterFunction("MyStaticCLRMethod", null, typeof(TestClass).GetMethod("MyStaticCLRMethod"));
lua.DoString("MyStaticCLRMethod()");
#endregion
Console.ReadKey();
lua.Dispose();
}
