Some initial work on getting load/save working for Levelsets
[supertux.git] / src / supertux / game_manager.cpp
1 //  SuperTux
2 //  Copyright (C) 2013 Ingo Ruhnke <grumbel@gmail.com>
3 //
4 //  This program is free software: you can redistribute it and/or modify
5 //  it under the terms of the GNU General Public License as published by
6 //  the Free Software Foundation, either version 3 of the License, or
7 //  (at your option) any later version.
8 //
9 //  This program is distributed in the hope that it will be useful,
10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 //  GNU General Public License for more details.
13 //
14 //  You should have received a copy of the GNU General Public License
15 //  along with this program.  If not, see <http://www.gnu.org/licenses/>.
16
17 #include "supertux/game_manager.hpp"
18
19 #include <sstream>
20
21 #include "gui/menu_manager.hpp"
22 #include "lisp/lisp.hpp"
23 #include "lisp/parser.hpp"
24 #include "supertux/game_session.hpp"
25 #include "supertux/gameconfig.hpp"
26 #include "supertux/globals.hpp"
27 #include "supertux/screen.hpp"
28 #include "supertux/screen_fade.hpp"
29 #include "supertux/screen_manager.hpp"
30 #include "supertux/world.hpp"
31 #include "supertux/savegame.hpp"
32 #include "util/file_system.hpp"
33 #include "util/log.hpp"
34 #include "worldmap/worldmap.hpp"
35
36 GameManager::GameManager() :
37   m_world(),
38   m_savegame()
39 {
40 }
41
42 GameManager::~GameManager()
43 {
44 }
45
46 void
47 GameManager::start_level(std::unique_ptr<World> world, const std::string& level_filename)
48 {
49   m_world = std::move(world);
50   m_savegame.reset(new Savegame(m_world->get_savegame_filename()));
51   m_savegame->load();
52
53   std::unique_ptr<Screen> screen(new GameSession(FileSystem::join(m_world->get_basedir(), level_filename),
54                                                  *m_savegame));
55   g_screen_manager->push_screen(std::move(screen));
56 }
57
58 void
59 GameManager::start_game(std::unique_ptr<World> world)
60 {
61   try
62   {
63     m_world = std::move(world);
64     m_savegame.reset(new Savegame(m_world->get_savegame_filename()));
65     m_savegame->load();
66
67     g_screen_manager->push_screen(std::unique_ptr<Screen>(
68                                     new worldmap::WorldMap(m_world->get_worldmap_filename(),
69                                                            *m_savegame)));
70   }
71   catch(std::exception& e)
72   {
73     log_fatal << "Couldn't start world: " << e.what() << std::endl;
74   }
75 }
76
77 std::string
78 GameManager::get_level_name(const std::string& filename) const
79 {
80   try
81   {
82     lisp::Parser parser;
83     const lisp::Lisp* root = parser.parse(filename);
84
85     const lisp::Lisp* level = root->get_lisp("supertux-level");
86     if(!level)
87       return "";
88
89     std::string name;
90     level->get("name", name);
91     return name;
92   }
93   catch(const std::exception& e)
94   {
95     log_warning << "Problem getting name of '" << filename << "': "
96                 << e.what() << std::endl;
97     return "";
98   }
99 }
100
101 /* EOF */