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 #include "log.h"
  29
  30 extern "C" {
  31 #include "lualib.h"
  32 }
  33
  34 #define MAINMENU_NUM_ASYNC_THREADS 4
  35
  36
  37 MainMenuScripting::MainMenuScripting(GUIEngine* guiengine)
  38 {
  39         setGuiEngine(guiengine);
  40         setType(ScriptingType::MainMenu);
  41
  42         SCRIPTAPI_PRECHECKHEADER
  43
  44         lua_getglobal(L, "core");
  45         int top = lua_gettop(L);
  46
  47         lua_newtable(L);
  48         lua_setglobal(L, "gamedata");
  49
  50         // Initialize our lua_api modules
  51         initializeModApi(L, top);
  52         lua_pop(L, 1);
  53
  54         // Push builtin initialization type
  55         lua_pushstring(L, "mainmenu");
  56         lua_setglobal(L, "INIT");
  57
  58         infostream << "SCRIPTAPI: Initialized main menu modules" << std::endl;
  59 }
  60
  61 /******************************************************************************/
  62 void MainMenuScripting::initializeModApi(lua_State *L, int top)
  63 {
  64         registerLuaClasses(L, top);
  65
  66         // Initialize mod API modules
  67         ModApiMainMenu::Initialize(L, top);
  68         ModApiUtil::Initialize(L, top);
  69         ModApiSound::Initialize(L, top);
  70
  71         asyncEngine.registerStateInitializer(registerLuaClasses);
  72         asyncEngine.registerStateInitializer(ModApiMainMenu::InitializeAsync);
  73         asyncEngine.registerStateInitializer(ModApiUtil::InitializeAsync);
  74
  75         // Initialize async environment
  76         //TODO possibly make number of async threads configurable
  77         asyncEngine.initialize(MAINMENU_NUM_ASYNC_THREADS);
  78 }
  79
  80 /******************************************************************************/
  81 void MainMenuScripting::registerLuaClasses(lua_State *L, int top)
  82 {
  83         LuaSettings::Register(L);
  84 }
  85
  86 /******************************************************************************/
  87 void MainMenuScripting::step()
  88 {
  89         asyncEngine.step(getStack());
  90 }
  91
  92 /******************************************************************************/
  93 unsigned int MainMenuScripting::queueAsync(const std::string &serialized_func,
  94                 const std::string &serialized_param)
  95 {
  96         return asyncEngine.queueAsyncJob(serialized_func, serialized_param);
  97 }
  98