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