World Class Reference

#include <world.hpp>

List of all members.

Public Member Functions

 World ()
 ~World ()
void set_savegame_filename (const std::string &filename)
void load (const std::string &filename)
void save_state ()
void load_state ()
unsigned int get_num_levels () const
const std::string & get_level_filename (unsigned int i) const
const std::string & get_basedir () const
const std::string & get_title () const
PlayerStatusget_player_status () const
 returns player status
void run ()

Static Public Member Functions

static Worldcurrent ()

Public Attributes

bool hide_from_contribs
bool is_levelset

Private Attributes

std::vector< std::string > levels
std::string basedir
std::string savegame_filename
HSQOBJECT state_table
 squirrel table that saves persistent state (about the world)
HSQOBJECT world_thread
std::string title
std::string description
std::auto_ptr< PlayerStatusplayer_status

Static Private Attributes

static Worldcurrent_


Detailed Description

Definition at line 26 of file world.hpp.


Constructor & Destructor Documentation

World::World (  ) 

Definition at line 35 of file world.cpp.

References hide_from_contribs, is_levelset, player_status, and world_thread.

00035              :
00036   levels(),
00037   basedir(),
00038   savegame_filename(),
00039   state_table(),
00040   world_thread(),
00041   title(),
00042   description(),
00043   player_status(),
00044   hide_from_contribs(),
00045   is_levelset()
00046 {
00047   player_status.reset(new PlayerStatus());
00048 
00049   is_levelset = true;
00050   hide_from_contribs = false;
00051   sq_resetobject(&world_thread);
00052 }

World::~World (  ) 

Definition at line 54 of file world.cpp.

References current_, scripting::global_vm, and world_thread.

00055 {
00056   sq_release(scripting::global_vm, &world_thread);
00057   if(current_ == this)
00058     current_ = NULL;
00059 }


Member Function Documentation

static World* World::current (  )  [inline, static]

Definition at line 29 of file world.hpp.

References current_.

Referenced by scripting::load_worldmap(), worldmap::WorldMap::save_state(), and scripting::save_state().

00030   {
00031     return current_;
00032   }

void World::set_savegame_filename ( const std::string &  filename  ) 

Definition at line 62 of file world.cpp.

References FileSystem::dirname(), and savegame_filename.

Referenced by TitleScreen::start_game().

00063 {
00064   this->savegame_filename = filename;
00065   // make sure the savegame directory exists
00066   std::string dirname = FileSystem::dirname(filename);
00067   if(!PHYSFS_exists(dirname.c_str())) {
00068     if(!PHYSFS_mkdir(dirname.c_str())) {
00069       std::ostringstream msg;
00070       msg << "Couldn't create directory for savegames '"
00071           << dirname << "': " <<PHYSFS_getLastError();
00072       throw std::runtime_error(msg.str());
00073     }
00074   }
00075 
00076   if(!PHYSFS_isDirectory(dirname.c_str())) {
00077     std::ostringstream msg;
00078     msg << "Savegame path '" << dirname << "' is not a directory";
00079     throw std::runtime_error(msg.str());
00080   }
00081 }

void World::load ( const std::string &  filename  ) 

Definition at line 84 of file world.cpp.

References basedir, description, FileSystem::dirname(), lisp::Lisp::get(), lisp::Lisp::get_lisp(), StringUtil::has_suffix(), hide_from_contribs, is_levelset, levels, log_warning, StringUtil::numeric_less(), lisp::Parser::parse(), and title.

00085 {
00086   basedir = FileSystem::dirname(filename);
00087 
00088   lisp::Parser parser;
00089   const lisp::Lisp* root = parser.parse(filename);
00090 
00091   const lisp::Lisp* info = root->get_lisp("supertux-world");
00092   if(info == NULL)
00093     info = root->get_lisp("supertux-level-subset");
00094   if(info == NULL)
00095     throw std::runtime_error("File is not a world or levelsubset file");
00096 
00097   hide_from_contribs = false;
00098   is_levelset = true;
00099 
00100   info->get("title", title);
00101   info->get("description", description);
00102   info->get("levelset", is_levelset);
00103   info->get("hide-from-contribs", hide_from_contribs);
00104 
00105   // Level info file doesn't define any levels, so read the
00106   // directory to see what we can find
00107 
00108   std::string path = basedir;
00109   char** files = PHYSFS_enumerateFiles(path.c_str());
00110   if(!files) {
00111     log_warning << "Couldn't read subset dir '" << path << "'" << std::endl;
00112     return;
00113   }
00114 
00115   for(const char* const* filename = files; *filename != 0; ++filename) {
00116     if(StringUtil::has_suffix(*filename, ".stl")) {
00117       levels.push_back(path + *filename);
00118     }
00119   }
00120   PHYSFS_freeList(files);
00121 
00122   std::sort(levels.begin(), levels.end(), StringUtil::numeric_less);
00123 }

void World::save_state (  ) 

Definition at line 159 of file world.cpp.

References lisp::Writer::end_list(), scripting::global_vm, player_status, scripting::save_squirrel_table(), savegame_filename, lisp::Writer::start_list(), title, and lisp::Writer::write().

Referenced by worldmap::WorldMap::save_state(), and scripting::save_state().

00160 {
00161   using namespace scripting;
00162 
00163   lisp::Writer writer(savegame_filename);
00164 
00165   writer.start_list("supertux-savegame");
00166   writer.write("version", 1);
00167 
00168   using namespace worldmap;
00169   if(WorldMap::current() != NULL) {
00170     std::ostringstream title;
00171     title << WorldMap::current()->get_title();
00172     title << " (" << WorldMap::current()->solved_level_count()
00173           << "/" << WorldMap::current()->level_count() << ")";
00174     writer.write("title", title.str());
00175   }
00176 
00177   writer.start_list("tux");
00178   player_status->write(writer);
00179   writer.end_list("tux");
00180 
00181   writer.start_list("state");
00182 
00183   sq_pushroottable(global_vm);
00184   sq_pushstring(global_vm, "state", -1);
00185   if(SQ_SUCCEEDED(sq_get(global_vm, -2))) {
00186     scripting::save_squirrel_table(global_vm, -1, writer);
00187     sq_pop(global_vm, 1);
00188   }
00189   sq_pop(global_vm, 1);
00190   writer.end_list("state");
00191 
00192   writer.end_list("supertux-savegame");
00193 }

void World::load_state (  ) 

Definition at line 196 of file world.cpp.

References lisp::Lisp::get(), lisp::Lisp::get_lisp(), scripting::global_vm, scripting::load_squirrel_table(), log_fatal, lisp::Parser::parse(), player_status, and savegame_filename.

Referenced by run().

00197 {
00198   using namespace scripting;
00199 
00200   if(PHYSFS_exists(savegame_filename.c_str())) {
00201     try {
00202       lisp::Parser parser;
00203       const lisp::Lisp* root = parser.parse(savegame_filename);
00204 
00205       const lisp::Lisp* lisp = root->get_lisp("supertux-savegame");
00206       if(lisp == NULL)
00207         throw std::runtime_error("file is not a supertux-savegame file");
00208 
00209       int version = 1;
00210       lisp->get("version", version);
00211       if(version != 1)
00212         throw std::runtime_error("incompatible savegame version");
00213 
00214       const lisp::Lisp* tux = lisp->get_lisp("tux");
00215       if(tux == NULL)
00216         throw std::runtime_error("No tux section in savegame");
00217       player_status->read(*tux);
00218 
00219       const lisp::Lisp* state = lisp->get_lisp("state");
00220       if(state == NULL)
00221         throw std::runtime_error("No state section in savegame");
00222 
00223       sq_pushroottable(global_vm);
00224       sq_pushstring(global_vm, "state", -1);
00225       if(SQ_FAILED(sq_deleteslot(global_vm, -2, SQFalse)))
00226         sq_pop(global_vm, 1);
00227 
00228       sq_pushstring(global_vm, "state", -1);
00229       sq_newtable(global_vm);
00230       load_squirrel_table(global_vm, -1, *state);
00231       if(SQ_FAILED(sq_createslot(global_vm, -3)))
00232         throw std::runtime_error("Couldn't create state table");
00233       sq_pop(global_vm, 1);
00234     } catch(std::exception& e) {
00235       log_fatal << "Couldn't load savegame: " << e.what() << std::endl;
00236     }
00237   }
00238 }

unsigned int World::get_num_levels (  )  const

Definition at line 247 of file world.cpp.

References levels.

Referenced by ContribWorldMenu::ContribWorldMenu().

00248 {
00249   return levels.size();
00250 }

const std::string & World::get_level_filename ( unsigned int  i  )  const

Definition at line 241 of file world.cpp.

References levels.

Referenced by ContribWorldMenu::check_menu(), and ContribWorldMenu::ContribWorldMenu().

00242 {
00243   return levels[i];
00244 }

const std::string & World::get_basedir (  )  const

Definition at line 253 of file world.cpp.

References basedir.

Referenced by TitleScreen::start_game().

00254 {
00255   return basedir;
00256 }

const std::string & World::get_title (  )  const

Definition at line 259 of file world.cpp.

References title.

Referenced by ContribWorldMenu::ContribWorldMenu().

00260 {
00261   return title;
00262 }

PlayerStatus* World::get_player_status (  )  const [inline]

returns player status

Definition at line 53 of file world.hpp.

References player_status.

Referenced by ContribWorldMenu::check_menu(), and run().

00053 { return player_status.get(); }

void World::run (  ) 

Definition at line 126 of file world.cpp.

References basedir, scripting::compile_and_run(), scripting::create_thread(), current_, g_screen_manager, get_player_status(), scripting::global_vm, load_state(), scripting::object_to_vm(), ScreenManager::push_screen(), and world_thread.

Referenced by TitleScreen::start_game().

00127 {
00128   using namespace scripting;
00129 
00130   current_ = this;
00131 
00132   // create new squirrel table for persistent game state
00133   HSQUIRRELVM vm = scripting::global_vm;
00134 
00135   sq_pushroottable(vm);
00136   sq_pushstring(vm, "state", -1);
00137   sq_newtable(vm);
00138   if(SQ_FAILED(sq_createslot(vm, -3)))
00139     throw scripting::SquirrelError(vm, "Couldn't create state table");
00140   sq_pop(vm, 1);
00141 
00142   load_state();
00143 
00144   std::string filename = basedir + "/world.nut";
00145   try {
00146     IFileStream in(filename);
00147 
00148     sq_release(global_vm, &world_thread);
00149     world_thread = create_thread(global_vm);
00150     compile_and_run(object_to_vm(world_thread), in, filename);
00151   } catch(std::exception& ) {
00152     // fallback: try to load worldmap worldmap.stwm
00153     using namespace worldmap;
00154     g_screen_manager->push_screen(new WorldMap(basedir + "worldmap.stwm", get_player_status()));
00155   }
00156 }


Member Data Documentation

World * World::current_ [static, private]

Definition at line 35 of file world.hpp.

Referenced by current(), run(), and ~World().

std::vector<std::string> World::levels [private]

Definition at line 59 of file world.hpp.

Referenced by get_level_filename(), get_num_levels(), and load().

std::string World::basedir [private]

Definition at line 60 of file world.hpp.

Referenced by get_basedir(), load(), and run().

std::string World::savegame_filename [private]

Definition at line 61 of file world.hpp.

Referenced by load_state(), save_state(), and set_savegame_filename().

HSQOBJECT World::state_table [private]

squirrel table that saves persistent state (about the world)

Definition at line 63 of file world.hpp.

HSQOBJECT World::world_thread [private]

Definition at line 64 of file world.hpp.

Referenced by run(), World(), and ~World().

std::string World::title [private]

Definition at line 65 of file world.hpp.

Referenced by get_title(), load(), and save_state().

std::string World::description [private]

Definition at line 66 of file world.hpp.

Referenced by load().

std::auto_ptr<PlayerStatus> World::player_status [private]

Definition at line 67 of file world.hpp.

Referenced by get_player_status(), load_state(), save_state(), and World().

bool World::hide_from_contribs

Definition at line 70 of file world.hpp.

Referenced by load(), and World().

bool World::is_levelset

Definition at line 71 of file world.hpp.

Referenced by ContribMenu::check_menu(), load(), and World().


The documentation for this class was generated from the following files:
Generated on Mon Apr 21 03:38:32 2014 for SuperTux by  doxygen 1.5.1