src/script/scripting_mainmenu.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU Lesser General Public License as published by
   7 the Free Software Foundation; either version 2.1 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU Lesser General Public License for more details.
  14
  15 You should have received a copy of the GNU Lesser General Public License along
  16 with this program; if not, write to the Free Software Foundation, Inc.,
  17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 */
  19
  20 #include "scripting_mainmenu.h"
  21 #include "mods.h"
  22 #include "cpp_api/s_internal.h"
  23 #include "lua_api/l_base.h"
  24 #include "lua_api/l_mainmenu.h"
  25 #include "lua_api/l_sound.h"
  26 #include "lua_api/l_util.h"
  27 #include "lua_api/l_settings.h"
  28
  29 extern "C" {
  30 #include "lualib.h"
  31 }
  32
  33 #define MAINMENU_NUM_ASYNC_THREADS 4
  34
  35
  36 MainMenuScripting::MainMenuScripting(GUIEngine* guiengine)
  37 {
  38         setGuiEngine(guiengine);
  39         setType(ScriptingType::MainMenu);
  40
  41         SCRIPTAPI_PRECHECKHEADER
  42
  43         lua_getglobal(L, "core");
  44         int top = lua_gettop(L);
  45
  46         lua_newtable(L);
  47         lua_setglobal(L, "gamedata");
  48
  49         // Initialize our lua_api modules
  50         initializeModApi(L, top);
  51         lua_pop(L, 1);
  52
  53         // Push builtin initialization type
  54         lua_pushstring(L, "mainmenu");
  55         lua_setglobal(L, "INIT");
  56
  57         infostream << "SCRIPTAPI: Initialized main menu modules" << std::endl;
  58 }
  59
  60 /******************************************************************************/
  61 void MainMenuScripting::initializeModApi(lua_State *L, int top)
  62 {
  63         registerLuaClasses(L, top);
  64
  65         // Initialize mod API modules
  66         ModApiMainMenu::Initialize(L, top);
  67         ModApiUtil::Initialize(L, top);
  68         ModApiSound::Initialize(L, top);
  69
  70         asyncEngine.registerStateInitializer(registerLuaClasses);
  71         asyncEngine.registerStateInitializer(ModApiMainMenu::InitializeAsync);
  72         asyncEngine.registerStateInitializer(ModApiUtil::InitializeAsync);
  73
  74         // Initialize async environment
  75         //TODO possibly make number of async threads configurable
  76         asyncEngine.initialize(MAINMENU_NUM_ASYNC_THREADS);
  77 }
  78
  79 /******************************************************************************/
  80 void MainMenuScripting::registerLuaClasses(lua_State *L, int top)
  81 {
  82         LuaSettings::Register(L);
  83 }
  84
  85 /******************************************************************************/
  86 void MainMenuScripting::step()
  87 {
  88         asyncEngine.step(getStack());
  89 }
  90
  91 /******************************************************************************/
  92 unsigned int MainMenuScripting::queueAsync(const std::string &serialized_func,
  93                 const std::string &serialized_param)
  94 {
  95         return asyncEngine.queueAsyncJob(serialized_func, serialized_param);
  96 }
  97