4 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
24 #include <unison/vfs/FileSystem.hpp>
28 #include "file_system.hpp"
29 #include "lisp/parser.hpp"
30 #include "lisp/lisp.hpp"
31 #include "physfs/physfs_stream.hpp"
32 #include "scripting/squirrel_util.hpp"
33 #include "scripting/serialize.hpp"
35 #include "worldmap/worldmap.hpp"
36 #include "mainloop.hpp"
38 static bool has_suffix(const std::string& data, const std::string& suffix)
40 if (data.length() >= suffix.length())
41 return data.compare(data.length() - suffix.length(), suffix.length(), suffix) == 0;
46 World* World::current_ = NULL;
51 hide_from_contribs = false;
52 sq_resetobject(&world_thread);
57 sq_release(Scripting::global_vm, &world_thread);
63 World::set_savegame_filename(const std::string& filename)
65 Unison::VFS::FileSystem &fs = Unison::VFS::FileSystem::get();
66 this->savegame_filename = filename;
67 // make sure the savegame directory exists
68 std::string dirname = FileSystem::dirname(filename);
69 if(!fs.exists(dirname)) {
71 /*if(PHYSFS_mkdir(dirname.c_str())) {
72 std::ostringstream msg;
73 msg << "Couldn't create directory for savegames '"
74 << dirname << "': " <<PHYSFS_getLastError();
75 throw std::runtime_error(msg.str());
79 if(!fs.is_dir(dirname)) {
80 std::ostringstream msg;
81 msg << "Savegame path '" << dirname << "' is not a directory";
82 throw std::runtime_error(msg.str());
87 World::load(const std::string& filename)
89 basedir = FileSystem::dirname(filename);
92 const lisp::Lisp* root = parser.parse(filename);
94 const lisp::Lisp* info = root->get_lisp("supertux-world");
96 info = root->get_lisp("supertux-level-subset");
98 throw std::runtime_error("File is not a world or levelsubset file");
100 hide_from_contribs = false;
103 info->get("title", title);
104 info->get("description", description);
105 info->get("levelset", is_levelset);
106 info->get_vector("levels", levels);
107 info->get("hide-from-contribs", hide_from_contribs);
109 // Level info file doesn't define any levels, so read the
110 // directory to see what we can find
112 std::string path = basedir;
113 std::vector<std::string> files = Unison::VFS::FileSystem::get().ls(path);
114 for(std::vector<std::string>::iterator iter = files.begin();iter != files.end();++iter)
116 if(has_suffix(iter->c_str(), ".stl")) {
117 levels.push_back(path + *iter);
120 /*char** files = PHYSFS_enumerateFiles(path.c_str());
122 log_warning << "Couldn't read subset dir '" << path << "'" << std::endl;
126 for(const char* const* filename = files; *filename != 0; ++filename) {
127 if(has_suffix(*filename, ".stl")) {
128 levels.push_back(path + *filename);
131 PHYSFS_freeList(files);*/
137 using namespace Scripting;
141 // create new squirrel table for persisten game state
142 HSQUIRRELVM vm = Scripting::global_vm;
144 sq_pushroottable(vm);
145 sq_pushstring(vm, "state", -1);
147 if(SQ_FAILED(sq_createslot(vm, -3)))
148 throw Scripting::SquirrelError(vm, "Couldn't create state table");
153 std::string filename = basedir + "/world.nut";
155 IFileStream in(filename);
157 sq_release(global_vm, &world_thread);
158 world_thread = create_thread(global_vm);
159 compile_and_run(object_to_vm(world_thread), in, filename);
160 } catch(std::exception& ) {
161 // fallback: try to load worldmap worldmap.stwm
162 using namespace WorldMapNS;
163 main_loop->push_screen(new WorldMap(basedir + "worldmap.stwm"));
170 using namespace Scripting;
172 lisp::Writer writer(savegame_filename);
174 writer.start_list("supertux-savegame");
175 writer.write_int("version", 1);
177 using namespace WorldMapNS;
178 if(WorldMap::current() != NULL) {
179 std::ostringstream title;
180 title << WorldMap::current()->get_title();
181 title << " (" << WorldMap::current()->solved_level_count()
182 << "/" << WorldMap::current()->level_count() << ")";
183 writer.write_string("title", title.str());
186 writer.start_list("tux");
187 player_status->write(writer);
188 writer.end_list("tux");
190 writer.start_list("state");
192 sq_pushroottable(global_vm);
193 sq_pushstring(global_vm, "state", -1);
194 if(SQ_SUCCEEDED(sq_get(global_vm, -2))) {
195 Scripting::save_squirrel_table(global_vm, -1, writer);
196 sq_pop(global_vm, 1);
198 sq_pop(global_vm, 1);
199 writer.end_list("state");
201 writer.end_list("supertux-savegame");
207 using namespace Scripting;
211 const lisp::Lisp* root = parser.parse(savegame_filename);
213 const lisp::Lisp* lisp = root->get_lisp("supertux-savegame");
215 throw std::runtime_error("file is not a supertux-savegame file");
218 lisp->get("version", version);
220 throw std::runtime_error("incompatible savegame version");
222 const lisp::Lisp* tux = lisp->get_lisp("tux");
224 throw std::runtime_error("No tux section in savegame");
225 player_status->read(*tux);
227 const lisp::Lisp* state = lisp->get_lisp("state");
229 throw std::runtime_error("No state section in savegame");
231 sq_pushroottable(global_vm);
232 sq_pushstring(global_vm, "state", -1);
233 if(SQ_FAILED(sq_deleteslot(global_vm, -2, SQFalse)))
234 sq_pop(global_vm, 1);
236 sq_pushstring(global_vm, "state", -1);
237 sq_newtable(global_vm);
238 load_squirrel_table(global_vm, -1, state);
239 if(SQ_FAILED(sq_createslot(global_vm, -3)))
240 throw std::runtime_error("Couldn't create state table");
241 sq_pop(global_vm, 1);
242 } catch(std::exception& e) {
243 log_debug << "Couldn't load savegame: " << e.what() << std::endl;
248 World::get_level_filename(unsigned int i) const
254 World::get_num_levels() const
256 return levels.size();
260 World::get_basedir() const