3 // SuperTux - A Jump'n Run
4 // Copyright (C) 2004 Ingo Ruhnke <grumbel@gmx.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 02111-1307, USA.
27 #include "lispreader.h"
32 namespace WorldMapNS {
34 Direction reverse_dir(Direction direction)
53 direction_to_string(Direction direction)
71 string_to_direction(const std::string& directory)
73 if (directory == "west")
75 else if (directory == "east")
77 else if (directory == "north")
79 else if (directory == "south")
85 TileManager* TileManager::instance_ = 0;
87 TileManager::TileManager()
89 std::string stwt_filename = datadir + "images/worldmap/antarctica.stwt";
90 lisp_object_t* root_obj = lisp_read_from_file(stwt_filename);
93 st_abort("Couldn't load file", stwt_filename);
95 if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap-tiles") == 0)
97 lisp_object_t* cur = lisp_cdr(root_obj);
99 while(!lisp_nil_p(cur))
101 lisp_object_t* element = lisp_car(cur);
103 if (strcmp(lisp_symbol(lisp_car(element)), "tile") == 0)
106 std::string filename = "<invalid>";
108 Tile* tile = new Tile;
115 LispReader reader(lisp_cdr(element));
116 reader.read_int("id", &id);
117 reader.read_bool("north", &tile->north);
118 reader.read_bool("south", &tile->south);
119 reader.read_bool("west", &tile->west);
120 reader.read_bool("east", &tile->east);
121 reader.read_bool("stop", &tile->stop);
122 reader.read_string("image", &filename);
124 tile->sprite = new Surface(
125 datadir + "/images/worldmap/" + filename,
128 if (id >= int(tiles.size()))
135 puts("Unhandled symbol");
148 TileManager::get(int i)
150 assert(i >=0 && i < int(tiles.size()));
154 Tux::Tux(WorldMap* worldmap_)
155 : worldmap(worldmap_)
157 sprite = new Surface(datadir + "/images/worldmap/tux.png", USE_ALPHA);
163 input_direction = NONE;
167 Tux::draw(const Point& offset)
169 Point pos = get_pos();
170 sprite->draw(pos.x + offset.x,
178 float x = tile_pos.x * 32;
179 float y = tile_pos.y * 32;
199 return Point((int)x, (int)y);
211 Tux::update(float delta)
215 if (input_direction != NONE)
217 WorldMap::Level* level = worldmap->at_level();
219 // We got a new direction, so lets start walking when possible
221 if ((!level || level->solved)
222 && worldmap->path_ok(input_direction, tile_pos, &next_tile))
224 tile_pos = next_tile;
226 direction = input_direction;
227 back_direction = reverse_dir(direction);
229 else if (input_direction == back_direction)
231 std::cout << "Back triggered" << std::endl;
233 direction = input_direction;
234 tile_pos = worldmap->get_next_tile(tile_pos, direction);
235 back_direction = reverse_dir(direction);
241 // Let tux walk a few pixels (20 pixel/sec)
242 offset += 20.0f * delta;
245 { // We reached the next tile, so we check what to do now
248 if (worldmap->at(tile_pos)->stop || worldmap->at_level())
254 // Walk automatically to the next tile
256 if (worldmap->path_ok(direction, tile_pos, &next_tile))
258 tile_pos = next_tile;
262 puts("Tilemap data is buggy");
277 level_sprite = new Surface(datadir + "/images/worldmap/levelmarker.png", USE_ALPHA);
278 leveldot_green = new Surface(datadir + "/images/worldmap/leveldot_green.png", USE_ALPHA);
279 leveldot_red = new Surface(datadir + "/images/worldmap/leveldot_red.png", USE_ALPHA);
281 input_direction = NONE;
285 music = "SALCON.MOD";
291 WorldMap::~WorldMap()
299 std::string filename = datadir + "levels/default/worldmap.stwm";
301 lisp_object_t* root_obj = lisp_read_from_file(filename);
303 st_abort("Couldn't load file", filename);
305 if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap") == 0)
307 lisp_object_t* cur = lisp_cdr(root_obj);
309 while(!lisp_nil_p(cur))
311 lisp_object_t* element = lisp_car(cur);
313 if (strcmp(lisp_symbol(lisp_car(element)), "tilemap") == 0)
315 LispReader reader(lisp_cdr(element));
316 reader.read_int("width", &width);
317 reader.read_int("height", &height);
318 reader.read_int_vector("data", &tilemap);
320 else if (strcmp(lisp_symbol(lisp_car(element)), "properties") == 0)
322 LispReader reader(lisp_cdr(element));
323 reader.read_string("name", &name);
324 reader.read_string("music", &music);
326 else if (strcmp(lisp_symbol(lisp_car(element)), "levels") == 0)
328 lisp_object_t* cur = lisp_cdr(element);
330 while(!lisp_nil_p(cur))
332 lisp_object_t* element = lisp_car(cur);
334 if (strcmp(lisp_symbol(lisp_car(element)), "level") == 0)
337 LispReader reader(lisp_cdr(element));
338 level.solved = false;
345 reader.read_string("name", &level.name);
346 reader.read_int("x", &level.x);
347 reader.read_int("y", &level.y);
348 levels.push_back(level);
365 WorldMap::on_escape_press()
367 // Show or hide the menu
369 Menu::set_current(worldmap_menu);
371 Menu::set_current(0);
375 WorldMap::get_input()
378 input_direction = NONE;
381 while (SDL_PollEvent(&event))
385 Menu::current()->event(event);
392 st_abort("Received window close", "");
396 switch(event.key.keysym.sym)
410 case SDL_JOYAXISMOTION:
411 if (event.jaxis.axis == joystick_keymap.x_axis)
413 if (event.jaxis.value < -joystick_keymap.dead_zone)
414 input_direction = WEST;
415 else if (event.jaxis.value > joystick_keymap.dead_zone)
416 input_direction = EAST;
418 else if (event.jaxis.axis == joystick_keymap.y_axis)
420 if (event.jaxis.value > joystick_keymap.dead_zone)
421 input_direction = SOUTH;
422 else if (event.jaxis.value < -joystick_keymap.dead_zone)
423 input_direction = NORTH;
427 case SDL_JOYBUTTONDOWN:
428 if (event.jbutton.button == joystick_keymap.b_button)
430 else if (event.jbutton.button == joystick_keymap.start_button)
440 if (!Menu::current())
442 Uint8 *keystate = SDL_GetKeyState(NULL);
444 if (keystate[SDLK_LEFT])
445 input_direction = WEST;
446 else if (keystate[SDLK_RIGHT])
447 input_direction = EAST;
448 else if (keystate[SDLK_UP])
449 input_direction = NORTH;
450 else if (keystate[SDLK_DOWN])
451 input_direction = SOUTH;
456 WorldMap::get_next_tile(Point pos, Direction direction)
479 WorldMap::path_ok(Direction direction, Point old_pos, Point* new_pos)
481 *new_pos = get_next_tile(old_pos, direction);
483 if (!(new_pos->x >= 0 && new_pos->x < width
484 && new_pos->y >= 0 && new_pos->y < height))
485 { // New position is outsite the tilemap
489 { // Check if we the tile allows us to go to new_pos
493 return (at(old_pos)->west && at(*new_pos)->east);
496 return (at(old_pos)->east && at(*new_pos)->west);
499 return (at(old_pos)->north && at(*new_pos)->south);
502 return (at(old_pos)->south && at(*new_pos)->north);
505 assert(!"path_ok() can't work if direction is NONE");
514 if (enter_level && !tux->is_moving())
516 Level* level = at_level();
519 if (level->x == tux->get_tile_pos().x &&
520 level->y == tux->get_tile_pos().y)
522 std::cout << "Enter the current level: " << level->name << std::endl;;
525 GameSession session(datadir + "levels/" + level->name,
526 1, ST_GL_LOAD_LEVEL_FILE);
528 switch (session.run())
530 case GameSession::LEVEL_FINISHED:
531 level->solved = true;
533 case GameSession::LEVEL_ABORT:
534 // Reseting the player_status might be a worthy
535 // consideration, but I don't think we need it
536 // 'cause only the bad players will use it to
537 // 'cheat' a few items and that isn't necesarry a
538 // bad thing (ie. better they continue that way,
539 // then stop playing the game all together since it
542 case GameSession::GAME_OVER:
545 case GameSession::NONE:
546 // Should never be reached
551 Menu::set_current(0);
552 if (!savegame_file.empty())
553 savegame(savegame_file);
559 std::cout << "Nothing to enter at: "
560 << tux->get_tile_pos().x << ", " << tux->get_tile_pos().y << std::endl;
565 tux->set_direction(input_direction);
569 Menu* menu = Menu::current();
574 if(menu == worldmap_menu)
576 switch (worldmap_menu->check())
578 case 2: // Return to game
581 if (!savegame_file.empty())
582 savegame(savegame_file);
585 case 6: // Quit Worldmap
590 else if(menu == options_menu)
592 process_options_menu();
598 WorldMap::at(Point p)
605 return TileManager::instance()->get(tilemap[width * p.y + p.x]);
611 for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
613 if (i->x == tux->get_tile_pos().x &&
614 i->y == tux->get_tile_pos().y)
623 WorldMap::draw(const Point& offset)
625 for(int y = 0; y < height; ++y)
626 for(int x = 0; x < width; ++x)
628 Tile* tile = at(Point(x, y));
629 tile->sprite->draw(x*32 + offset.x,
633 for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
636 leveldot_green->draw(i->x*32 + offset.x,
639 leveldot_red->draw(i->x*32 + offset.x,
648 WorldMap::draw_status()
651 sprintf(str, "%d", player_status.score);
652 white_text->draw("SCORE", 0, 0);
653 gold_text->draw(str, 96, 0);
655 sprintf(str, "%d", player_status.distros);
656 white_text->draw_align("COINS", 320-64, 0, A_LEFT, A_TOP);
657 gold_text->draw_align(str, 320+64, 0, A_RIGHT, A_TOP);
659 white_text->draw("LIVES", 480, 0);
660 if (player_status.lives >= 5)
662 sprintf(str, "%dx", player_status.lives);
663 gold_text->draw(str, 585, 0);
664 tux_life->draw(565+(18*3), 0);
668 for(int i= 0; i < player_status.lives; ++i)
669 tux_life->draw(565+(18*i),0);
672 if (!tux->is_moving())
674 for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
676 if (i->x == tux->get_tile_pos().x &&
677 i->y == tux->get_tile_pos().y)
679 white_text->draw_align(i->name.c_str(), screen->w/2, screen->h, A_HMIDDLE, A_BOTTOM);
689 Menu::set_current(0);
693 song = load_song(datadir + "/music/" + music);
697 Point tux_pos = tux->get_pos();
700 offset.x = -tux_pos.x + screen->w/2;
701 offset.y = -tux_pos.y + screen->h/2;
703 if (offset.x > 0) offset.x = 0;
704 if (offset.y > 0) offset.y = 0;
706 if (offset.x < screen->w - width*32) offset.x = screen->w - width*32;
707 if (offset.y < screen->h - height*32) offset.y = screen->h - height*32;
716 Menu::current()->draw();
717 mouse_cursor->draw();
729 WorldMap::savegame(const std::string& filename)
731 std::cout << "savegame: " << filename << std::endl;
732 std::ofstream out(filename.c_str());
734 int nb_solved_levels = 0;
735 for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
741 out << "(supertux-savegame\n"
743 << " (title \"Icyisland - " << nb_solved_levels << "/" << levels.size() << "\")\n"
744 << " (lives " << player_status.lives << ")\n"
745 << " (score " << player_status.score << ")\n"
746 << " (distros " << player_status.distros << ")\n"
747 << " (tux (x " << tux->get_tile_pos().x << ") (y " << tux->get_tile_pos().y << ")"
748 << " (back \"" << direction_to_string(tux->back_direction) << "\"))\n"
751 for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
755 out << " (level (name \"" << i->name << "\")\n"
756 << " (solved #t))\n";
761 << " )\n\n;; EOF ;;" << std::endl;
765 WorldMap::loadgame(const std::string& filename)
767 std::cout << "loadgame: " << filename << std::endl;
768 savegame_file = filename;
770 if (access(filename.c_str(), F_OK) == 0)
772 lisp_object_t* cur = lisp_read_from_file(filename);
774 if (strcmp(lisp_symbol(lisp_car(cur)), "supertux-savegame") != 0)
778 LispReader reader(cur);
780 reader.read_int("lives", &player_status.lives);
781 reader.read_int("score", &player_status.score);
782 reader.read_int("distros", &player_status.distros);
784 if (player_status.lives < 0)
785 player_status.lives = 3;
787 lisp_object_t* tux_cur = 0;
788 if (reader.read_lisp("tux", &tux_cur))
791 std::string back_str = "none";
793 LispReader tux_reader(tux_cur);
794 tux_reader.read_int("x", &p.x);
795 tux_reader.read_int("y", &p.y);
796 tux_reader.read_string("back", &back_str);
798 tux->back_direction = string_to_direction(back_str);
799 tux->set_tile_pos(p);
802 lisp_object_t* level_cur = 0;
803 if (reader.read_lisp("levels", &level_cur))
807 lisp_object_t* sym = lisp_car(lisp_car(level_cur));
808 lisp_object_t* data = lisp_cdr(lisp_car(level_cur));
810 if (strcmp(lisp_symbol(sym), "level") == 0)
815 LispReader level_reader(data);
816 level_reader.read_string("name", &name);
817 level_reader.read_bool("solved", &solved);
819 for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
826 level_cur = lisp_cdr(level_cur);
832 } // namespace WorldMapNS
834 /* Local Variables: */