minetest/src/script/scripting_mainmenu.cpp
Kahrl 3304e1e517 Push error handler afresh each time lua_pcall is used
Fixes "double fault" / "error in error handling" messages
(issue #1423) and instead shows a complete backtrace.
2015-08-27 01:56:06 +02:00

90 lines
2.5 KiB
C++

/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "scripting_mainmenu.h"
#include "mods.h"
#include "porting.h"
#include "log.h"
#include "cpp_api/s_internal.h"
#include "lua_api/l_base.h"
#include "lua_api/l_mainmenu.h"
#include "lua_api/l_util.h"
#include "lua_api/l_settings.h"
extern "C" {
#include "lualib.h"
}
#define MAINMENU_NUM_ASYNC_THREADS 4
MainMenuScripting::MainMenuScripting(GUIEngine* guiengine)
{
setGuiEngine(guiengine);
SCRIPTAPI_PRECHECKHEADER
lua_getglobal(L, "core");
int top = lua_gettop(L);
lua_newtable(L);
lua_setglobal(L, "gamedata");
// Initialize our lua_api modules
initializeModApi(L, top);
lua_pop(L, 1);
// Push builtin initialization type
lua_pushstring(L, "mainmenu");
lua_setglobal(L, "INIT");
infostream << "SCRIPTAPI: Initialized main menu modules" << std::endl;
}
/******************************************************************************/
void MainMenuScripting::initializeModApi(lua_State *L, int top)
{
// Initialize mod API modules
ModApiMainMenu::Initialize(L, top);
ModApiUtil::Initialize(L, top);
// Register reference classes (userdata)
LuaSettings::Register(L);
// Register functions to async environment
ModApiMainMenu::InitializeAsync(asyncEngine);
ModApiUtil::InitializeAsync(asyncEngine);
// Initialize async environment
//TODO possibly make number of async threads configurable
asyncEngine.initialize(MAINMENU_NUM_ASYNC_THREADS);
}
/******************************************************************************/
void MainMenuScripting::step() {
asyncEngine.step(getStack());
}
/******************************************************************************/
unsigned int MainMenuScripting::queueAsync(std::string serialized_func,
std::string serialized_param) {
return asyncEngine.queueAsyncJob(serialized_func, serialized_param);
}