3 // Pingus - A free Lemmings clone
4 // Copyright (C) 2002 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.
25 #include "lispreader.h"
29 namespace WorldMapNS {
31 TileManager* TileManager::instance_ = 0;
33 TileManager::TileManager()
35 lisp_object_t* root_obj = lisp_read_from_file(DATA_PREFIX "images/worldmap/antarctica.scm");
39 if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap-tiles") == 0)
41 lisp_object_t* cur = lisp_cdr(root_obj);
43 while(!lisp_nil_p(cur))
45 lisp_object_t* element = lisp_car(cur);
47 if (strcmp(lisp_symbol(lisp_car(element)), "tile") == 0)
50 std::string filename = "<invalid>";
52 Tile* tile = new Tile;
59 LispReader reader(lisp_cdr(element));
60 reader.read_int("id", &id);
61 reader.read_bool("north", &tile->north);
62 reader.read_bool("south", &tile->south);
63 reader.read_bool("west", &tile->west);
64 reader.read_bool("east", &tile->east);
65 reader.read_bool("stop", &tile->stop);
66 reader.read_string("image", &filename);
68 texture_load(&tile->sprite,
69 const_cast<char*>((std::string(DATA_PREFIX "/images/worldmap/") + filename).c_str()),
72 if (id >= int(tiles.size()))
79 puts("Unhandled symbol");
92 TileManager::get(int i)
94 assert(i >=0 && i < int(tiles.size()));
98 Tux::Tux(WorldMap* worldmap_)
101 texture_load(&sprite, DATA_PREFIX "/images/worldmap/tux.png", USE_ALPHA);
107 input_direction = NONE;
113 float x = tile_pos.x * 32;
114 float y = tile_pos.y * 32;
134 texture_draw(&sprite, (int)x, (int)y, NO_UPDATE);
146 Tux::update(float delta)
150 if (input_direction != NONE)
151 { // We got a new direction, so lets start walking when possible
153 if (worldmap->path_ok(input_direction, tile_pos, &next_tile))
155 tile_pos = next_tile;
157 direction = input_direction;
163 // Let tux walk a few pixels (20 pixel/sec)
164 offset += 20.0f * delta;
167 { // We reached the next tile, so we check what to do now
170 if (worldmap->at(tile_pos)->stop)
177 if (worldmap->path_ok(direction, tile_pos, &next_tile))
179 tile_pos = next_tile;
183 puts("Tilemap data is buggy");
199 texture_load(&level_sprite, DATA_PREFIX "/images/worldmap/levelmarker.png", USE_ALPHA);
201 input_direction = NONE;
205 music = "SALCON.MOD";
211 WorldMap::~WorldMap()
219 lisp_object_t* root_obj = lisp_read_from_file(DATA_PREFIX "levels/default/worldmap.scm");
222 if (strcmp(lisp_symbol(lisp_car(root_obj)), "supertux-worldmap") == 0)
224 lisp_object_t* cur = lisp_cdr(root_obj);
226 while(!lisp_nil_p(cur))
228 lisp_object_t* element = lisp_car(cur);
230 if (strcmp(lisp_symbol(lisp_car(element)), "tilemap") == 0)
232 LispReader reader(lisp_cdr(element));
233 reader.read_int("width", &width);
234 reader.read_int("height", &height);
235 reader.read_int_vector("data", &tilemap);
237 else if (strcmp(lisp_symbol(lisp_car(element)), "properties") == 0)
239 LispReader reader(lisp_cdr(element));
240 reader.read_string("name", &name);
241 reader.read_string("music", &music);
243 else if (strcmp(lisp_symbol(lisp_car(element)), "levels") == 0)
245 lisp_object_t* cur = lisp_cdr(element);
247 while(!lisp_nil_p(cur))
249 lisp_object_t* element = lisp_car(cur);
251 if (strcmp(lisp_symbol(lisp_car(element)), "level") == 0)
254 LispReader reader(lisp_cdr(element));
255 reader.read_string("name", &level.name);
256 reader.read_int("x-pos", &level.x);
257 reader.read_int("y-pos", &level.y);
258 levels.push_back(level);
275 WorldMap::get_input()
281 while (SDL_PollEvent(&event))
290 switch(event.key.keysym.sym)
306 Uint8 *keystate = SDL_GetKeyState(NULL);
308 input_direction = NONE;
310 if (keystate[SDLK_LEFT])
311 input_direction = WEST;
312 else if (keystate[SDLK_RIGHT])
313 input_direction = EAST;
314 else if (keystate[SDLK_UP])
315 input_direction = NORTH;
316 else if (keystate[SDLK_DOWN])
317 input_direction = SOUTH;
321 WorldMap::get_next_tile(Point pos, Direction direction)
344 WorldMap::path_ok(Direction direction, Point old_pos, Point* new_pos)
346 *new_pos = get_next_tile(old_pos, direction);
348 if (!(new_pos->x >= 0 && new_pos->x < width
349 && new_pos->y >= 0 && new_pos->y < height))
350 { // New position is outsite the tilemap
354 { // Check if we the tile allows us to go to new_pos
358 return (at(old_pos)->west && at(*new_pos)->east);
361 return (at(old_pos)->east && at(*new_pos)->west);
364 return (at(old_pos)->north && at(*new_pos)->south);
367 return (at(old_pos)->south && at(*new_pos)->north);
370 assert(!"path_ok() can't work if direction is NONE");
379 if (enter_level && !tux->is_moving())
381 for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
383 if (i->x == tux->get_tile_pos().x &&
384 i->y == tux->get_tile_pos().y)
386 std::cout << "Enter the current level: " << i->name << std::endl;;
388 gameloop(const_cast<char*>((DATA_PREFIX "levels/default/" + i->name).c_str()),
389 1, ST_GL_LOAD_LEVEL_FILE);
397 tux->set_direction(input_direction);
403 WorldMap::at(Point p)
409 return TileManager::instance()->get(tilemap[width * p.y + p.x]);
415 for(int y = 0; y < height; ++y)
416 for(int x = 0; x < width; ++x)
418 Tile* tile = at(Point(x, y));
419 texture_draw(&tile->sprite, x*32, y*32, NO_UPDATE);
422 for(Levels::iterator i = levels.begin(); i != levels.end(); ++i)
424 texture_draw(&level_sprite, i->x*32, i->y*32, NO_UPDATE);
436 song = load_song(const_cast<char*>((DATA_PREFIX "/music/" + music).c_str()));
449 } // namespace WorldMapNS
453 WorldMapNS::WorldMap worldmap;