bool csp::OpLua::CallLua( lua::LuaStack& stack, const char* functionName, int numArgs, int numRets )
{
CORE_ASSERT( m_self != lua::LUA_NO_REF );
stack.PushRegistryReferenced( m_self );
lua::LuaStackValue top = stack.GetTopValue();
CORE_ASSERT( top.IsTable() );
stack.GetField( top, functionName );
if ( !stack.GetTopValue().IsFunction() )
{
stack.Pop( numArgs + 2 );
return false;
}
// stack at this point: arg1, arg2, argN, self, function
stack.Insert( -numArgs-2 );
stack.Insert( -numArgs-1 );
// stack at this point: function, self, arg1, arg2, argN
lua::LuaState luaState( stack.InternalState() );
lua::Return::Enum result = luaState.Call( 1+numArgs, numRets );
return result == lua::Return::OK;
}
int GenericMeta::ToString(lua_State* state)
{
// Create the State needed for calls to C++ code
std::shared_ptr<State> luaState(new State(state));
lua_getmetatable(state, -1);
Table meta = Stack<Table>::Pop(luaState);
std::string str = "userdata: " + meta.Get<std::string>("__name");
Stack<std::string>::Push(luaState, str);
return 1;
}
int moEffect::ScriptCalling(moLuaVirtualMachine& vm, int iFunctionNumber)
{
switch ( iFunctionNumber - m_iMethodBase )
{
case 0:
ResetScriptCalling();
return luaPlay(vm);
case 1:
ResetScriptCalling();
return luaPause(vm);
case 2:
ResetScriptCalling();
return luaStop(vm);
case 3:
ResetScriptCalling();
return luaState(vm);
case 4:
ResetScriptCalling();
return luaEnable(vm);
case 5:
ResetScriptCalling();
return luaDisable(vm);
case 6:
ResetScriptCalling();
return luaSetTicks(vm);
case 7:
ResetScriptCalling();
return luaGetTicks(vm);
///for this Effect
case 8:
ResetScriptCalling();
return luaGetEffectState(vm);
case 9:
ResetScriptCalling();
return luaSetEffectState(vm);
default:
NextScriptCalling();
return moMoldeoObject::ScriptCalling( vm, iFunctionNumber );
}
}
int main(int argc, char *argv[]) {
// Lua test
sel::State luaState{true};
luaState["message"] = "Hello world!";
std::string message = luaState["message"];
std::cout << "Message: " << message << std::endl;
// SDL test
SDL2pp::SDL sdl(SDL_INIT_VIDEO);
SDL2pp::SDLTTF ttf;
SDL2pp::SDLImage img;
SDL2pp::Window win("Hello world", 0, 0, 800, 600, SDL_WINDOWPOS_UNDEFINED);
for (int i = 0; i < 10; ++i) {
luaState["number"] = i;
std::cout << "Number: " << int(luaState["number"]) << std::endl;
SDL_Delay(1000);
}
luaState("print(\"Goodbye from Lua!\")");
}
