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luaplus note

load script

LuaStateOwner state;

int iret = state->DoFile("test.lua");

call lua

-- lua

function Add(x, y)

return x+y;

end

void calllua()

{

LuaStateOwner state;

int iret = state->DoFile("test.lua");

LuaObject sObj = state->GetGlobal("health");

int mytest = sObj.GetInteger();

sObj.AssignInteger(state, 30);

mytest = sObj.GetInteger();

// 調用Lua函數

LuaFunction<int> luaPrint = state->GetGlobal("print");

luaPrint("Hello World\n");

LuaFunction<float> Add = state->GetGlobal("Add");

float myret = Add(3.14f,5.25f);

}

lua call c++

-- test.lua

PrintNumber(30 , 50 );

//! C++

int LS_PrintNumber(LuaState* state)

{

LuaStack args(state);

if (args[1].IsNumber()) {

printf("%f %f\n", args[1].GetNumber() , args[2].GetNumber() );

}

return 0;

}

void callcplus()

{

// 創建狀態

LuaStateOwner state;

// 注冊c++函數后就可以在lua中調用了

state->GetGlobals().Register("PrintNumber", LS_PrintNumber);

// 打開測試文件

int iret = state->DoFile("test.lua");

}

lua call c++ class member fun

-- test.lua

mulresult = Mul(5 , 6 )

print(mulresult )

//C++

//--------------------------------------------

class TestObject

{

public:

TestObject(float startNumber) :

m_startNumber(startNumber)

{

}

int LS_Mul(LuaState* state)

{

LuaStack args(state);

assert(args[1].IsNumber());

assert(args[2].IsNumber());

lua_Number value = m_startNumber + args[1].GetNumber() * args[2].GetNumber();

state->PushNumber(value);

return 1;

}

protected:

float m_startNumber;

};

void luacallcplusfun()

{

LuaStateOwner state;

TestObject obj(5);

state->GetGlobals().Register("Mul", obj, &TestObject::LS_Mul);

LuaFunction<float> mulFunction = state->GetGlobals()["Mul"];

float fresult = mulFunction(5, 10);

int iret = state->DoFile("test.lua");

}

posted on 2011-07-02 17:19 的筆記閱讀(209) 評論(0) 編輯收藏引用

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