- info->get("title", title);
- info->get("description", description);
- info->get("levelset", is_levelset);
- info->get("levels", levels);
- info->get("hide-from-contribs", hide_from_contribs);
-
- // Level info file doesn't define any levels, so read the
- // directory to see what we can find
-
- std::string path = basedir;
- char** files = PHYSFS_enumerateFiles(path.c_str());
- if(!files) {
- log_warning << "Couldn't read subset dir '" << path << "'" << std::endl;
- return;
- }
-
- for(const char* const* filename = files; *filename != 0; ++filename) {
- if(StringUtil::has_suffix(*filename, ".stl")) {
- levels.push_back(path + *filename);
- }
- }
- PHYSFS_freeList(files);
-}
-
-void
-World::run()
-{
- using namespace scripting;
-
- current_ = this;
-
- // create new squirrel table for persistent game state
- HSQUIRRELVM vm = scripting::global_vm;
-
- sq_pushroottable(vm);
- sq_pushstring(vm, "state", -1);
- sq_newtable(vm);
- if(SQ_FAILED(sq_createslot(vm, -3)))
- throw scripting::SquirrelError(vm, "Couldn't create state table");
- sq_pop(vm, 1);
-
- load_state();
-
- std::string filename = basedir + "/world.nut";
- try {
- IFileStream in(filename);
-
- sq_release(global_vm, &world_thread);
- world_thread = create_thread(global_vm);
- compile_and_run(object_to_vm(world_thread), in, filename);
- } catch(std::exception& ) {
- // fallback: try to load worldmap worldmap.stwm
- using namespace worldmap;
- g_screen_manager->push_screen(new WorldMap(basedir + "worldmap.stwm"));
- }
-}
-
-void
-World::save_state()
-{
- using namespace scripting;
-
- lisp::Writer writer(savegame_filename);
-
- writer.start_list("supertux-savegame");
- writer.write("version", 1);
-
- using namespace worldmap;
- if(WorldMap::current() != NULL) {
- std::ostringstream title;
- title << WorldMap::current()->get_title();
- title << " (" << WorldMap::current()->solved_level_count()
- << "/" << WorldMap::current()->level_count() << ")";
- writer.write("title", title.str());
- }
-
- writer.start_list("tux");
- player_status->write(writer);
- writer.end_list("tux");
-
- writer.start_list("state");
-
- sq_pushroottable(global_vm);
- sq_pushstring(global_vm, "state", -1);
- if(SQ_SUCCEEDED(sq_get(global_vm, -2))) {
- scripting::save_squirrel_table(global_vm, -1, writer);
- sq_pop(global_vm, 1);
- }
- sq_pop(global_vm, 1);
- writer.end_list("state");
-
- writer.end_list("supertux-savegame");
-}
-
-void
-World::load_state()
-{
- using namespace scripting;
-
- try {
- lisp::Parser parser;
- const lisp::Lisp* root = parser.parse(savegame_filename);
-
- const lisp::Lisp* lisp = root->get_lisp("supertux-savegame");
- if(lisp == NULL)
- throw std::runtime_error("file is not a supertux-savegame file");
-
- int version = 1;
- lisp->get("version", version);
- if(version != 1)
- throw std::runtime_error("incompatible savegame version");
-
- const lisp::Lisp* tux = lisp->get_lisp("tux");
- if(tux == NULL)
- throw std::runtime_error("No tux section in savegame");
- player_status->read(*tux);
-
- const lisp::Lisp* state = lisp->get_lisp("state");
- if(state == NULL)
- throw std::runtime_error("No state section in savegame");
-
- sq_pushroottable(global_vm);
- sq_pushstring(global_vm, "state", -1);
- if(SQ_FAILED(sq_deleteslot(global_vm, -2, SQFalse)))
- sq_pop(global_vm, 1);
-
- sq_pushstring(global_vm, "state", -1);
- sq_newtable(global_vm);
- load_squirrel_table(global_vm, -1, *state);
- if(SQ_FAILED(sq_createslot(global_vm, -3)))
- throw std::runtime_error("Couldn't create state table");
- sq_pop(global_vm, 1);
- } catch(std::exception& e) {
- log_debug << "Couldn't load savegame: " << e.what() << std::endl;
- }
-}
-
-const std::string&
-World::get_level_filename(unsigned int i) const
-{
- return levels[i];
-}
-
-unsigned int
-World::get_num_levels() const
-{
- return levels.size();