3 // SuperTux - A Jump'n Run
4 // Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.de>
5 // Copyright (C) 2006 Christoph Sommer <christoph.sommer@2006.expires.deltadevelopment.de>
7 // This program is free software; you can redistribute it and/or
8 // modify it under the terms of the GNU General Public License
9 // as published by the Free Software Foundation; either version 2
10 // of the License, or (at your option) any later version.
12 // This program is distributed in the hope that it will be useful,
13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 // GNU General Public License for more details.
17 // You should have received a copy of the GNU General Public License
18 // along with this program; if not, write to the Free Software
19 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
31 #include "worldmap.hpp"
33 #include "gettext.hpp"
35 #include "mainloop.hpp"
36 #include "shrinkfade.hpp"
37 #include "video/surface.hpp"
38 #include "video/drawing_context.hpp"
39 #include "sprite/sprite_manager.hpp"
40 #include "audio/sound_manager.hpp"
41 #include "lisp/parser.hpp"
42 #include "lisp/lisp.hpp"
43 #include "lisp/list_iterator.hpp"
44 #include "lisp/writer.hpp"
45 #include "game_session.hpp"
47 #include "worldmap.hpp"
48 #include "resources.hpp"
51 #include "player_status.hpp"
52 #include "textscroller.hpp"
54 #include "spawn_point.hpp"
55 #include "file_system.hpp"
56 #include "gui/menu.hpp"
57 #include "gui/mousecursor.hpp"
58 #include "control/joystickkeyboardcontroller.hpp"
59 #include "object/background.hpp"
60 #include "object/tilemap.hpp"
61 #include "options_menu.hpp"
62 #include "scripting/squirrel_error.hpp"
63 #include "scripting/squirrel_util.hpp"
64 #include "worldmap/level.hpp"
65 #include "worldmap/special_tile.hpp"
66 #include "worldmap/tux.hpp"
67 #include "worldmap/sprite_change.hpp"
69 namespace WorldMapNS {
71 enum WorldMapMenuIDs {
76 WorldMap* WorldMap::current_ = NULL;
78 Direction reverse_dir(Direction direction)
97 direction_to_string(Direction direction)
115 string_to_direction(const std::string& directory)
117 if (directory == "west")
119 else if (directory == "east")
121 else if (directory == "north")
123 else if (directory == "south")
125 else if (directory == "none")
128 log_warning << "unknown direction: \"" << directory << "\"" << std::endl;
133 //---------------------------------------------------------------------------
135 WorldMap::WorldMap(const std::string& filename, const std::string& force_spawnpoint)
136 : tux(0), solids(0), ambient_light( 1.0f, 1.0f, 1.0f, 1.0f ), force_spawnpoint(force_spawnpoint), in_level(false)
138 tile_manager.reset(new TileManager("images/worldmap.strf"));
144 music = "music/salcon.ogg";
148 worldmap_menu.reset(new Menu());
149 worldmap_menu->add_label(_("Pause"));
150 worldmap_menu->add_hl();
151 worldmap_menu->add_entry(MNID_RETURNWORLDMAP, _("Continue"));
152 worldmap_menu->add_submenu(_("Options"), get_options_menu());
153 worldmap_menu->add_hl();
154 worldmap_menu->add_entry(MNID_QUITWORLDMAP, _("Quit World"));
158 // create a new squirrel table for the worldmap
159 using namespace Scripting;
161 sq_collectgarbage(global_vm);
162 sq_newtable(global_vm);
163 sq_pushroottable(global_vm);
164 if(SQ_FAILED(sq_setdelegate(global_vm, -2)))
165 throw Scripting::SquirrelError(global_vm, "Couldn't set worldmap_table delegate");
167 sq_resetobject(&worldmap_table);
168 if(SQ_FAILED(sq_getstackobj(global_vm, -1, &worldmap_table)))
169 throw Scripting::SquirrelError(global_vm, "Couldn't get table from stack");
171 sq_addref(global_vm, &worldmap_table);
172 sq_pop(global_vm, 1);
175 WorldMap::~WorldMap()
177 using namespace Scripting;
181 for(ScriptList::iterator i = scripts.begin();
182 i != scripts.end(); ++i) {
183 HSQOBJECT& object = *i;
184 sq_release(global_vm, &object);
186 sq_release(global_vm, &worldmap_table);
188 sq_collectgarbage(global_vm);
193 for(GameObjects::iterator i = game_objects.begin();
194 i != game_objects.end(); ++i) {
195 GameObject* object = *i;
199 for(SpawnPoints::iterator i = spawn_points.begin();
200 i != spawn_points.end(); ++i) {
206 WorldMap::add_object(GameObject* object)
208 TileMap* tilemap = dynamic_cast<TileMap*> (object);
209 if(tilemap != 0 && tilemap->is_solid()) {
214 game_objects.push_back(object);
218 WorldMap::move_to_spawnpoint(const std::string& spawnpoint)
220 for(SpawnPoints::iterator i = spawn_points.begin(); i != spawn_points.end(); ++i) {
222 if(sp->name == spawnpoint) {
224 tux->set_tile_pos(p);
225 tux->set_direction(sp->auto_dir);
229 log_warning << "Spawnpoint '" << spawnpoint << "' not found." << std::endl;
230 if (spawnpoint != "main") {
231 move_to_spawnpoint("main");
236 WorldMap::change(const std::string& filename, const std::string& force_spawnpoint)
238 main_loop->exit_screen();
239 main_loop->push_screen(new WorldMap(filename, force_spawnpoint));
243 WorldMap::load(const std::string& filename)
245 map_filename = filename;
246 levels_path = FileSystem::dirname(map_filename);
250 const lisp::Lisp* root = parser.parse(map_filename);
252 const lisp::Lisp* lisp = root->get_lisp("supertux-level");
254 throw std::runtime_error("file isn't a supertux-level file.");
256 lisp->get("name", name);
258 const lisp::Lisp* sector = lisp->get_lisp("sector");
260 throw std::runtime_error("No sector sepcified in worldmap file.");
262 lisp::ListIterator iter(sector);
264 if(iter.item() == "tilemap") {
265 add_object(new TileMap(*(iter.lisp()), tile_manager.get()));
266 } else if(iter.item() == "background") {
267 add_object(new Background(*(iter.lisp())));
268 } else if(iter.item() == "music") {
269 iter.value()->get(music);
270 } else if(iter.item() == "init-script") {
271 iter.value()->get(init_script);
272 } else if(iter.item() == "worldmap-spawnpoint") {
273 SpawnPoint* sp = new SpawnPoint(iter.lisp());
274 spawn_points.push_back(sp);
275 } else if(iter.item() == "level") {
276 LevelTile* level = new LevelTile(levels_path, iter.lisp());
277 levels.push_back(level);
279 } else if(iter.item() == "special-tile") {
280 SpecialTile* special_tile = new SpecialTile(iter.lisp());
281 special_tiles.push_back(special_tile);
282 add_object(special_tile);
283 } else if(iter.item() == "sprite-change") {
284 SpriteChange* sprite_change = new SpriteChange(iter.lisp());
285 sprite_changes.push_back(sprite_change);
286 add_object(sprite_change);
287 } else if(iter.item() == "teleporter") {
288 Teleporter* teleporter = new Teleporter(iter.lisp());
289 teleporters.push_back(teleporter);
290 add_object(teleporter);
291 } else if(iter.item() == "ambient-light") {
292 std::vector<float> vColor;
293 sector->get_vector( "ambient-light", vColor );
294 if(vColor.size() < 3) {
295 log_warning << "(ambient-light) requires a color as argument" << std::endl;
297 ambient_light = Color( vColor );
299 } else if(iter.item() == "name") {
302 log_warning << "Unknown token '" << iter.item() << "' in worldmap" << std::endl;
306 throw std::runtime_error("No solid tilemap specified");
308 move_to_spawnpoint("main");
310 } catch(std::exception& e) {
311 std::stringstream msg;
312 msg << "Problem when parsing worldmap '" << map_filename << "': " <<
314 throw std::runtime_error(msg.str());
319 WorldMap::get_level_title(LevelTile& level)
321 /** get special_tile's title */
322 level.title = "<no title>";
326 const lisp::Lisp* root = parser.parse(levels_path + level.get_name());
328 const lisp::Lisp* level_lisp = root->get_lisp("supertux-level");
332 level_lisp->get("name", level.title);
333 } catch(std::exception& e) {
334 log_warning << "Problem when reading leveltitle: " << e.what() << std::endl;
339 void WorldMap::calculate_total_stats()
342 for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
343 LevelTile* level = *i;
345 total_stats += level->statistics;
351 WorldMap::on_escape_press()
353 // Show or hide the menu
354 if(!Menu::current()) {
355 Menu::set_current(worldmap_menu.get());
356 tux->set_direction(D_NONE); // stop tux movement when menu is called
358 Menu::set_current(NULL);
363 WorldMap::get_next_tile(Vector pos, Direction direction)
385 WorldMap::path_ok(Direction direction, const Vector& old_pos, Vector* new_pos)
387 *new_pos = get_next_tile(old_pos, direction);
389 if (!(new_pos->x >= 0 && new_pos->x < solids->get_width()
390 && new_pos->y >= 0 && new_pos->y < solids->get_height()))
391 { // New position is outsite the tilemap
395 { // Check if the tile allows us to go to new_pos
399 return (at(old_pos)->getData() & Tile::WORLDMAP_WEST
400 && at(*new_pos)->getData() & Tile::WORLDMAP_EAST);
403 return (at(old_pos)->getData() & Tile::WORLDMAP_EAST
404 && at(*new_pos)->getData() & Tile::WORLDMAP_WEST);
407 return (at(old_pos)->getData() & Tile::WORLDMAP_NORTH
408 && at(*new_pos)->getData() & Tile::WORLDMAP_SOUTH);
411 return (at(old_pos)->getData() & Tile::WORLDMAP_SOUTH
412 && at(*new_pos)->getData() & Tile::WORLDMAP_NORTH);
415 assert(!"path_ok() can't walk if direction is NONE");
422 WorldMap::finished_level(Level* gamelevel)
424 // TODO use Level* parameter here?
425 LevelTile* level = at_level();
427 bool old_level_state = level->solved;
428 level->solved = true;
429 level->sprite->set_action("solved");
431 // deal with statistics
432 level->statistics.merge(gamelevel->stats);
433 calculate_total_stats();
437 if (old_level_state != level->solved) {
438 // Try to detect the next direction to which we should walk
439 // FIXME: Mostly a hack
440 Direction dir = D_NONE;
442 const Tile* tile = at(tux->get_tile_pos());
444 int dirdata = tile->getData() & Tile::WORLDMAP_DIR_MASK;
445 // first, test for crossroads
446 if (dirdata == Tile::WORLDMAP_CNSE ||
447 dirdata == Tile::WORLDMAP_CNSW ||
448 dirdata == Tile::WORLDMAP_CNEW ||
449 dirdata == Tile::WORLDMAP_CSEW ||
450 dirdata == Tile::WORLDMAP_CNSEW)
452 else if (dirdata & Tile::WORLDMAP_NORTH
453 && tux->back_direction != D_NORTH)
455 else if (dirdata & Tile::WORLDMAP_SOUTH
456 && tux->back_direction != D_SOUTH)
458 else if (dirdata & Tile::WORLDMAP_EAST
459 && tux->back_direction != D_EAST)
461 else if (dirdata & Tile::WORLDMAP_WEST
462 && tux->back_direction != D_WEST)
466 tux->set_direction(dir);
470 if (level->extro_script != "") {
472 std::istringstream in(level->extro_script);
473 run_script(in, "worldmap:extro_script");
474 } catch(std::exception& e) {
475 log_fatal << "Couldn't run level-extro-script: " << e.what() << std::endl;
481 WorldMap::update(float delta)
484 Menu* menu = Menu::current();
488 if(menu == worldmap_menu.get()) {
489 switch (worldmap_menu->check())
491 case MNID_RETURNWORLDMAP: // Return to game
492 Menu::set_current(0);
494 case MNID_QUITWORLDMAP: // Quit Worldmap
495 main_loop->exit_screen();
503 // update GameObjects
504 for(size_t i = 0; i < game_objects.size(); ++i) {
505 GameObject* object = game_objects[i];
506 object->update(delta);
509 // remove old GameObjects
510 for(GameObjects::iterator i = game_objects.begin();
511 i != game_objects.end(); ) {
512 GameObject* object = *i;
513 if(!object->is_valid()) {
515 i = game_objects.erase(i);
522 Vector tux_pos = tux->get_pos();
523 camera_offset.x = tux_pos.x - SCREEN_WIDTH/2;
524 camera_offset.y = tux_pos.y - SCREEN_HEIGHT/2;
526 if (camera_offset.x < 0)
528 if (camera_offset.y < 0)
531 if (camera_offset.x > (int)solids->get_width()*32 - SCREEN_WIDTH)
532 camera_offset.x = (int)solids->get_width()*32 - SCREEN_WIDTH;
533 if (camera_offset.y > (int)solids->get_height()*32 - SCREEN_HEIGHT)
534 camera_offset.y = (int)solids->get_height()*32 - SCREEN_HEIGHT;
536 if (int(solids->get_width()*32) < SCREEN_WIDTH)
537 camera_offset.x = solids->get_width()*16.0 - SCREEN_WIDTH/2.0;
538 if (int(solids->get_height()*32) < SCREEN_HEIGHT)
539 camera_offset.y = solids->get_height()*16.0 - SCREEN_HEIGHT/2.0;
542 bool enter_level = false;
543 if(main_controller->pressed(Controller::ACTION)
544 || main_controller->pressed(Controller::JUMP)
545 || main_controller->pressed(Controller::MENU_SELECT)) {
546 /* some people define UP and JUMP on the same key... */
547 if(!main_controller->pressed(Controller::UP))
550 if(main_controller->pressed(Controller::PAUSE_MENU))
553 // check for teleporters
554 Teleporter* teleporter = at_teleporter(tux->get_tile_pos());
555 if (teleporter && (teleporter->automatic || (enter_level && (!tux->is_moving())))) {
557 if (teleporter->worldmap != "") {
558 change(teleporter->worldmap, teleporter->spawnpoint);
560 // TODO: an animation, camera scrolling or a fading would be a nice touch
561 sound_manager->play("sounds/warp.wav");
562 tux->back_direction = D_NONE;
563 move_to_spawnpoint(teleporter->spawnpoint);
567 // check for auto-play levels
568 LevelTile* level = at_level();
569 if (level && (level->auto_play) && (!level->solved) && (!tux->is_moving())) {
573 if (enter_level && !tux->is_moving())
575 /* Check level action */
576 LevelTile* level = at_level();
578 //Respawn if player on a tile with no level and nowhere to go.
579 const Tile* tile = at(tux->get_tile_pos());
580 if(!( tile->getData() & ( Tile::WORLDMAP_NORTH | Tile::WORLDMAP_SOUTH | Tile::WORLDMAP_WEST | Tile::WORLDMAP_EAST ))){
581 log_warning << "Player at illegal position " << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << " respawning." << std::endl;
582 move_to_spawnpoint("main");
585 log_warning << "No level to enter at: " << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << std::endl;
589 if (level->pos == tux->get_tile_pos()) {
591 Vector shrinkpos = Vector(level->pos.x*32 + 16 - camera_offset.x,
592 level->pos.y*32 + 16 - camera_offset.y);
593 std::string levelfile = levels_path + level->get_name();
595 // update state and savegame
598 main_loop->push_screen(new GameSession(levelfile, &level->statistics),
599 new ShrinkFade(shrinkpos, 0.5));
601 } catch(std::exception& e) {
602 log_fatal << "Couldn't load level: " << e.what() << std::endl;
608 // tux->set_direction(input_direction);
614 WorldMap::at(Vector p)
616 return solids->get_tile((int) p.x, (int) p.y);
622 for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
623 LevelTile* level = *i;
624 if (level->pos == tux->get_tile_pos())
632 WorldMap::at_special_tile()
634 for(SpecialTiles::iterator i = special_tiles.begin();
635 i != special_tiles.end(); ++i) {
636 SpecialTile* special_tile = *i;
637 if (special_tile->pos == tux->get_tile_pos())
645 WorldMap::at_sprite_change(const Vector& pos)
647 for(SpriteChanges::iterator i = sprite_changes.begin();
648 i != sprite_changes.end(); ++i) {
649 SpriteChange* sprite_change = *i;
650 if(sprite_change->pos == pos)
651 return sprite_change;
658 WorldMap::at_teleporter(const Vector& pos)
660 for(std::vector<Teleporter*>::iterator i = teleporters.begin(); i != teleporters.end(); ++i) {
661 Teleporter* teleporter = *i;
662 if(teleporter->pos == pos) return teleporter;
669 WorldMap::draw(DrawingContext& context)
671 if (int(solids->get_width()*32) < SCREEN_WIDTH || int(solids->get_height()*32) < SCREEN_HEIGHT)
672 context.draw_filled_rect(Vector(0, 0), Vector(SCREEN_WIDTH, SCREEN_HEIGHT),
673 Color(0.0f, 0.0f, 0.0f, 1.0f), LAYER_BACKGROUND0);
675 context.set_ambient_color( ambient_light );
676 context.push_transform();
677 context.set_translation(camera_offset);
679 for(GameObjects::iterator i = game_objects.begin();
680 i != game_objects.end(); ++i) {
681 GameObject* object = *i;
682 object->draw(context);
685 draw_status(context);
686 context.pop_transform();
690 WorldMap::draw_status(DrawingContext& context)
692 context.push_transform();
693 context.set_translation(Vector(0, 0));
695 player_status->draw(context);
697 if (!tux->is_moving()) {
698 for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
699 LevelTile* level = *i;
701 if (level->pos == tux->get_tile_pos()) {
702 if(level->title == "")
703 get_level_title(*level);
705 context.draw_text(white_text, level->title,
706 Vector(SCREEN_WIDTH/2,
707 SCREEN_HEIGHT - white_text->get_height() - 30),
708 ALIGN_CENTER, LAYER_FOREGROUND1);
710 // if level is solved, draw level picture behind stats
713 if (const Surface* picture = level->get_picture()) {
714 Vector pos = Vector(SCREEN_WIDTH - picture->get_width(), SCREEN_HEIGHT - picture->get_height());
715 context.push_transform();
716 context.set_alpha(0.5);
717 context.draw_surface(picture, pos, LAYER_FOREGROUND1-1);
718 context.pop_transform();
723 level->statistics.draw_worldmap_info(context);
728 for(SpecialTiles::iterator i = special_tiles.begin();
729 i != special_tiles.end(); ++i) {
730 SpecialTile* special_tile = *i;
732 if (special_tile->pos == tux->get_tile_pos()) {
733 /* Display an in-map message in the map, if any as been selected */
734 if(!special_tile->map_message.empty() && !special_tile->passive_message)
735 context.draw_text(gold_text, special_tile->map_message,
736 Vector(SCREEN_WIDTH/2,
737 SCREEN_HEIGHT - white_text->get_height() - 60),
738 ALIGN_CENTER, LAYER_FOREGROUND1);
743 // display teleporter messages
744 Teleporter* teleporter = at_teleporter(tux->get_tile_pos());
745 if (teleporter && (teleporter->message != "")) {
746 Vector pos = Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT - white_text->get_height() - 30);
747 context.draw_text(white_text, teleporter->message, pos, ALIGN_CENTER, LAYER_FOREGROUND1);
752 /* Display a passive message in the map, if needed */
753 if(passive_message_timer.started())
754 context.draw_text(gold_text, passive_message,
755 Vector(SCREEN_WIDTH/2, SCREEN_HEIGHT - white_text->get_height() - 60),
756 ALIGN_CENTER, LAYER_FOREGROUND1);
758 context.pop_transform();
764 sound_manager->play_music(music);
765 Menu::set_current(NULL);
770 // if force_spawnpoint was set, move Tux there, then clear force_spawnpoint
771 if (force_spawnpoint != "") {
772 move_to_spawnpoint(force_spawnpoint);
773 force_spawnpoint = "";
778 // register worldmap_table as worldmap in scripting
779 using namespace Scripting;
781 sq_pushroottable(global_vm);
782 sq_pushstring(global_vm, "worldmap", -1);
783 sq_pushobject(global_vm, worldmap_table);
784 if(SQ_FAILED(sq_createslot(global_vm, -3)))
785 throw SquirrelError(global_vm, "Couldn't set worldmap in roottable");
786 sq_pop(global_vm, 1);
788 if(init_script != "") {
789 std::istringstream in(init_script);
790 run_script(in, "WorldMap::init");
797 // remove worldmap_table from roottable
798 using namespace Scripting;
800 sq_pushroottable(global_vm);
801 sq_pushstring(global_vm, "worldmap", -1);
802 if(SQ_FAILED(sq_deleteslot(global_vm, -2, SQFalse)))
803 throw SquirrelError(global_vm, "Couldn't unset worldmap in roottable");
804 sq_pop(global_vm, 1);
807 static void store_float(HSQUIRRELVM vm, const char* name, float val)
809 sq_pushstring(vm, name, -1);
810 sq_pushfloat(vm, val);
811 if(SQ_FAILED(sq_createslot(vm, -3)))
812 throw Scripting::SquirrelError(vm, "Couldn't add float value to table");
816 static void store_int(HSQUIRRELVM vm, const char* name, int val)
818 sq_pushstring(vm, name, -1);
819 sq_pushinteger(vm, val);
820 if(SQ_FAILED(sq_createslot(vm, -3)))
821 throw Scripting::SquirrelError(vm, "Couldn't add float value to table");
825 static void store_string(HSQUIRRELVM vm, const char* name, const std::string& val)
827 sq_pushstring(vm, name, -1);
828 sq_pushstring(vm, val.c_str(), val.length());
829 if(SQ_FAILED(sq_createslot(vm, -3)))
830 throw Scripting::SquirrelError(vm, "Couldn't add float value to table");
833 static void store_bool(HSQUIRRELVM vm, const char* name, bool val)
835 sq_pushstring(vm, name, -1);
836 sq_pushbool(vm, val ? SQTrue : SQFalse);
837 if(SQ_FAILED(sq_createslot(vm, -3)))
838 throw Scripting::SquirrelError(vm, "Couldn't add float value to table");
841 static float read_float(HSQUIRRELVM vm, const char* name)
843 sq_pushstring(vm, name, -1);
844 if(SQ_FAILED(sq_get(vm, -2))) {
845 std::ostringstream msg;
846 msg << "Couldn't get float value for '" << name << "' from table";
847 throw Scripting::SquirrelError(vm, msg.str());
851 if(SQ_FAILED(sq_getfloat(vm, -1, &result))) {
852 std::ostringstream msg;
853 msg << "Couldn't get float value for '" << name << "' from table";
854 throw Scripting::SquirrelError(vm, msg.str());
861 static std::string read_string(HSQUIRRELVM vm, const char* name)
863 sq_pushstring(vm, name, -1);
864 if(SQ_FAILED(sq_get(vm, -2))) {
865 std::ostringstream msg;
866 msg << "Couldn't get string value for '" << name << "' from table";
867 throw Scripting::SquirrelError(vm, msg.str());
871 if(SQ_FAILED(sq_getstring(vm, -1, &result))) {
872 std::ostringstream msg;
873 msg << "Couldn't get string value for '" << name << "' from table";
874 throw Scripting::SquirrelError(vm, msg.str());
878 return std::string(result);
881 static bool read_bool(HSQUIRRELVM vm, const char* name)
883 sq_pushstring(vm, name, -1);
884 if(SQ_FAILED(sq_get(vm, -2))) {
885 std::ostringstream msg;
886 msg << "Couldn't get bool value for '" << name << "' from table";
887 throw Scripting::SquirrelError(vm, msg.str());
891 if(SQ_FAILED(sq_getbool(vm, -1, &result))) {
892 std::ostringstream msg;
893 msg << "Couldn't get bool value for '" << name << "' from table";
894 throw Scripting::SquirrelError(vm, msg.str());
898 return result == SQTrue;
902 WorldMap::save_state()
904 using namespace Scripting;
906 HSQUIRRELVM vm = global_vm;
907 int oldtop = sq_gettop(vm);
911 sq_pushroottable(vm);
912 sq_pushstring(vm, "state", -1);
913 if(SQ_FAILED(sq_get(vm, -2)))
914 throw Scripting::SquirrelError(vm, "Couldn't get state table");
916 // get or create worlds table
917 sq_pushstring(vm, "worlds", -1);
918 if(SQ_FAILED(sq_get(vm, -2))) {
919 sq_pushstring(vm, "worlds", -1);
921 if(SQ_FAILED(sq_createslot(vm, -3)))
922 throw Scripting::SquirrelError(vm, "Couldn't create state.worlds");
924 sq_pushstring(vm, "worlds", -1);
925 if(SQ_FAILED(sq_get(vm, -2)))
926 throw Scripting::SquirrelError(vm, "Couldn't create.get state.worlds");
929 sq_pushstring(vm, map_filename.c_str(), map_filename.length());
930 if(SQ_FAILED(sq_deleteslot(vm, -2, SQFalse)))
933 // construct new table for this worldmap
934 sq_pushstring(vm, map_filename.c_str(), map_filename.length());
938 sq_pushstring(vm, "tux", -1);
941 store_float(vm, "x", tux->get_tile_pos().x);
942 store_float(vm, "y", tux->get_tile_pos().y);
943 store_string(vm, "back", direction_to_string(tux->back_direction));
945 sq_createslot(vm, -3);
948 sq_pushstring(vm, "levels", -1);
951 for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
952 LevelTile* level = *i;
954 sq_pushstring(vm, level->get_name().c_str(), -1);
957 store_bool(vm, "solved", level->solved);
958 // TODO write statistics
959 // i->statistics.write(writer);
961 sq_createslot(vm, -3);
964 sq_createslot(vm, -3);
966 // push world into worlds table
967 sq_createslot(vm, -3);
968 } catch(std::exception& ) {
969 sq_settop(vm, oldtop);
972 sq_settop(vm, oldtop);
974 if(World::current() != NULL)
975 World::current()->save_state();
979 WorldMap::load_state()
981 using namespace Scripting;
983 HSQUIRRELVM vm = global_vm;
984 int oldtop = sq_gettop(vm);
988 sq_pushroottable(vm);
989 sq_pushstring(vm, "state", -1);
990 if(SQ_FAILED(sq_get(vm, -2)))
991 throw Scripting::SquirrelError(vm, "Couldn't get state table");
994 sq_pushstring(vm, "worlds", -1);
995 if(SQ_FAILED(sq_get(vm, -2)))
996 throw Scripting::SquirrelError(vm, "Couldn't get state.worlds");
998 // get table for our world
999 sq_pushstring(vm, map_filename.c_str(), map_filename.length());
1000 if(SQ_FAILED(sq_get(vm, -2)))
1001 throw Scripting::SquirrelError(vm, "Couldn't get state.worlds.mapfilename");
1004 sq_pushstring(vm, "tux", -1);
1005 if(SQ_FAILED(sq_get(vm, -2)))
1006 throw Scripting::SquirrelError(vm, "Couldn't get tux");
1009 p.x = read_float(vm, "x");
1010 p.y = read_float(vm, "y");
1011 std::string back_str = read_string(vm, "back");
1012 tux->back_direction = string_to_direction(back_str);
1013 tux->set_tile_pos(p);
1018 sq_pushstring(vm, "levels", -1);
1019 if(SQ_FAILED(sq_get(vm, -2)))
1020 throw Scripting::SquirrelError(vm, "Couldn't get levels");
1022 for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
1023 LevelTile* level = *i;
1024 sq_pushstring(vm, level->get_name().c_str(), -1);
1025 if(SQ_SUCCEEDED(sq_get(vm, -2))) {
1026 level->solved = read_bool(vm, "solved");
1027 level->sprite->set_action(level->solved ? "solved" : "default");
1028 // i->statistics.parse(*level);
1034 } catch(std::exception& e) {
1035 log_debug << "Not loading worldmap state: " << e.what() << std::endl;
1037 sq_settop(vm, oldtop);
1043 WorldMap::level_count()
1045 return levels.size();
1049 WorldMap::solved_level_count()
1052 for(LevelTiles::iterator i = levels.begin(); i != levels.end(); ++i) {
1053 LevelTile* level = *i;
1063 WorldMap::run_script(std::istream& in, const std::string& sourcename)
1065 using namespace Scripting;
1067 // garbage collect thread list
1068 for(ScriptList::iterator i = scripts.begin();
1069 i != scripts.end(); ) {
1070 HSQOBJECT& object = *i;
1071 HSQUIRRELVM vm = object_to_vm(object);
1073 if(sq_getvmstate(vm) != SQ_VMSTATE_SUSPENDED) {
1074 sq_release(global_vm, &object);
1075 i = scripts.erase(i);
1082 HSQOBJECT object = create_thread(global_vm);
1083 scripts.push_back(object);
1085 HSQUIRRELVM vm = object_to_vm(object);
1087 // set worldmap_table as roottable for the thread
1088 sq_pushobject(vm, worldmap_table);
1089 sq_setroottable(vm);
1091 compile_and_run(vm, in, sourcename);
1096 } // namespace WorldMapNS