2 // C Implementation: level
7 // Author: Tobias Glaesser <tobi.web@gmx.de>, (C) 2003
9 // Copyright: See COPYING file that comes with this distribution
22 #include "lispreader.h"
24 texture_type img_bkgd, img_bkgd_tile[2][4], img_solid[4], img_brick[2];
26 void subset_init(st_subset* st_subset)
28 st_subset->title = NULL;
29 st_subset->description = NULL;
30 st_subset->name = NULL;
31 st_subset->levels = 0;
34 void subset_parse (st_subset* st_subset, lisp_object_t* cursor)
36 while(!lisp_nil_p(cursor))
38 lisp_object_t* cur = lisp_car(cursor);
41 if (!lisp_cons_p(cur) || !lisp_symbol_p (lisp_car(cur)))
47 if (strcmp(lisp_symbol(lisp_car(cur)), "title") == 0)
49 if(( s = lisp_string(lisp_car(lisp_cdr(cur)))) != NULL)
51 st_subset->title = (char*) malloc(sizeof(char)*(strlen(s)+1));
52 strcpy(st_subset->title,s);
55 else if (strcmp(lisp_symbol(lisp_car(cur)), "description") == 0)
57 if(( s = lisp_string(lisp_car(lisp_cdr(cur)))) != NULL)
59 st_subset->description = (char*) malloc(sizeof(char)*(strlen(s)+1));
60 strcpy(st_subset->description,s);
64 cursor = lisp_cdr (cursor);
68 void subset_load(st_subset* st_subset, char *subset)
74 lisp_object_t* root_obj = 0;
76 st_subset->name = (char*) malloc(sizeof(char)*(strlen(subset)+1));
77 strcpy(st_subset->name,subset);
79 snprintf(filename, 1024, "%s/levels/%s/info", st_dir, subset);
80 if(!faccessible(filename))
81 snprintf(filename, 1024, "%s/levels/%s/info", DATA_PREFIX, subset);
82 if(faccessible(filename))
84 fi = fopen(filename, "r");
90 lisp_stream_init_file (&stream, fi);
91 root_obj = lisp_read (&stream);
93 if (root_obj->type == LISP_TYPE_EOF || root_obj->type == LISP_TYPE_PARSE_ERROR)
95 printf("World: Parse Error in file %s", filename);
98 lisp_object_t* cur = lisp_car(root_obj);
100 if (!lisp_symbol_p (cur))
102 printf("World: Read error in %s",filename);
105 if (strcmp(lisp_symbol(cur), "level-subset") == 0)
107 subset_parse(st_subset,lisp_cdr(root_obj));
113 snprintf(str, 1024, "%s.png", filename);
116 texture_load(&st_subset->image,str,IGNORE_ALPHA);
120 snprintf(filename, 1024, "%s/images/status/level-subset-info.png", DATA_PREFIX);
121 texture_load(&st_subset->image,filename,IGNORE_ALPHA);
125 for(i=1; i != -1; ++i)
127 /* Get the number of levels in this subset */
128 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset,i);
129 if(!faccessible(filename))
131 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset,i);
132 if(!faccessible(filename))
136 st_subset->levels = --i;
139 void subset_save(st_subset* st_subset)
144 /* Save data file: */
145 sprintf(filename, "/levels/%s/", st_subset->name);
147 fcreatedir(filename);
148 snprintf(filename, 1024, "%s/levels/%s/info", st_dir, st_subset->name);
149 if(!fwriteable(filename))
150 snprintf(filename, 1024, "%s/levels/%s/info", DATA_PREFIX, st_subset->name);
151 if(fwriteable(filename))
153 fi = fopen(filename, "w");
160 fprintf(fi,";SuperTux-Level-Subset\n");
161 fprintf(fi,"(level-subset\n");
163 /* Save title info: */
164 fprintf(fi," (title \"%s\")\n",st_subset->title);
166 /* Save the description: */
167 fprintf(fi," (description \"%s\")\n",st_subset->description);
175 void subset_free(st_subset* st_subset)
177 free(st_subset->title);
178 free(st_subset->description);
179 free(st_subset->name);
180 texture_free(&st_subset->image);
181 st_subset->levels = 0;
184 /* Load data for this level: */
185 /* Returns -1, if the loading of the level failed. */
186 int level_load(st_level* plevel, char *subset, int level)
190 /* Load data file: */
192 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset, level);
193 if(!faccessible(filename))
194 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset, level);
196 return level_load(plevel, filename);
199 int level_load(st_level* plevel, const char* filename)
205 fi = fopen(filename, "r");
212 /* Load header info: */
217 strcpy(plevel->name, str);
218 plevel->name[strlen(plevel->name)-1] = '\0';
222 strcpy(plevel->theme, str);
223 plevel->theme[strlen(plevel->theme)-1] = '\0';
227 /* (Time to beat level) */
229 plevel->time_left = atoi(str);
231 /* (Song file for this level) */
232 fgets(str, sizeof(plevel->song_title), fi);
233 strcpy(plevel->song_title, str);
234 plevel->song_title[strlen(plevel->song_title)-1] = '\0';
236 /* (Level background image) */
237 fgets(str, sizeof(plevel->bkgd_image), fi);
238 strcpy(plevel->bkgd_image, str);
239 plevel->bkgd_image[strlen(plevel->bkgd_image)-1] = '\0';
241 /* (Level background color) */
243 plevel->bkgd_red = atoi(str);
245 plevel->bkgd_green= atoi(str);
247 plevel->bkgd_blue = atoi(str);
251 plevel->width = atoi(str);
253 /* (Level gravity) */
255 plevel->gravity = atof(str);
257 /* Set the global gravity to the latest loaded level's gravity */
258 gravity = plevel->gravity;
260 /* Allocate some space for the line-reading! */
262 line = (char *) malloc(sizeof(char) * (plevel->width + 5));
265 fprintf(stderr, "Couldn't allocate space to load level data!");
271 /* Load the level lines: */
273 for (y = 0; y < 15; y++)
275 if(fgets(line, plevel->width + 5, fi) == NULL)
277 fprintf(stderr, "Level %s isn't complete!\n",plevel->name);
282 line[strlen(line) - 1] = '\0';
283 plevel->tiles[y] = (unsigned char*) strdup(line);
286 /* Mark the end position of this level! - Is a bit wrong here thought */
288 for (y = 0; y < 15; ++y)
290 for (x = 0; x < plevel->width; ++x)
292 if(plevel->tiles[y][x] == '|')
305 /* Save data for level: */
307 void level_save(st_level* plevel, char * subset, int level)
314 /* Save data file: */
315 sprintf(str, "/levels/%s/", subset);
317 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset, level);
318 if(!fwriteable(filename))
319 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset, level);
321 fi = fopen(filename, "w");
329 fputs(plevel->name, fi);
331 fputs(plevel->theme, fi);
333 sprintf(str, "%d\n", plevel->time_left); /* time */
335 fputs(plevel->song_title, fi); /* song filename */
337 fputs(plevel->bkgd_image, fi); /* background image */
338 sprintf(str, "\n%d\n", plevel->bkgd_red); /* red background color */
340 sprintf(str, "%d\n", plevel->bkgd_green); /* green background color */
342 sprintf(str, "%d\n", plevel->bkgd_blue); /* blue background color */
344 sprintf(str, "%d\n", plevel->width); /* level width */
346 sprintf(str, "%2.1f\n", plevel->gravity); /* level gravity */
349 for(y = 0; y < 15; ++y)
351 fputs((const char*)plevel->tiles[y], fi);
359 /* Unload data for this level: */
361 void level_free(st_level* plevel)
364 for(i=0; i < 15; ++i)
365 free(plevel->tiles[i]);
367 plevel->name[0] = '\0';
368 plevel->theme[0] = '\0';
369 plevel->song_title[0] = '\0';
370 plevel->bkgd_image[0] = '\0';
375 void level_load_gfx(st_level *plevel)
377 level_load_image(&img_brick[0],plevel->theme,"brick0.png", IGNORE_ALPHA);
378 level_load_image(&img_brick[1],plevel->theme,"brick1.png", IGNORE_ALPHA);
380 level_load_image(&img_solid[0],plevel->theme,"solid0.png", USE_ALPHA);
381 level_load_image(&img_solid[1],plevel->theme,"solid1.png", USE_ALPHA);
382 level_load_image(&img_solid[2],plevel->theme,"solid2.png", USE_ALPHA);
383 level_load_image(&img_solid[3],plevel->theme,"solid3.png", USE_ALPHA);
385 level_load_image(&img_bkgd_tile[0][0],plevel->theme,"bkgd-00.png", USE_ALPHA);
386 level_load_image(&img_bkgd_tile[0][1],plevel->theme,"bkgd-01.png", USE_ALPHA);
387 level_load_image(&img_bkgd_tile[0][2],plevel->theme,"bkgd-02.png", USE_ALPHA);
388 level_load_image(&img_bkgd_tile[0][3],plevel->theme,"bkgd-03.png", USE_ALPHA);
390 level_load_image(&img_bkgd_tile[1][0],plevel->theme,"bkgd-10.png", USE_ALPHA);
391 level_load_image(&img_bkgd_tile[1][1],plevel->theme,"bkgd-11.png", USE_ALPHA);
392 level_load_image(&img_bkgd_tile[1][2],plevel->theme,"bkgd-12.png", USE_ALPHA);
393 level_load_image(&img_bkgd_tile[1][3],plevel->theme,"bkgd-13.png", USE_ALPHA);
395 if(strcmp(plevel->bkgd_image,"") != 0)
398 snprintf(fname, 1024, "%s/background/%s", st_dir, plevel->bkgd_image);
399 if(!faccessible(fname))
400 snprintf(fname, 1024, "%s/images/background/%s", DATA_PREFIX, plevel->bkgd_image);
401 texture_load(&img_bkgd, fname, IGNORE_ALPHA);
405 /* Quick hack to make sure an image is loaded, when we are freeing it afterwards. */#
406 level_load_image(&img_bkgd, plevel->theme,"solid0.png", IGNORE_ALPHA);
410 /* Free graphics data for this level: */
412 void level_free_gfx(void)
416 for (i = 0; i < 2; i++)
418 texture_free(&img_brick[i]);
420 for (i = 0; i < 4; i++)
422 texture_free(&img_solid[i]);
423 texture_free(&img_bkgd_tile[0][i]);
424 texture_free(&img_bkgd_tile[1][i]);
427 texture_free(&img_bkgd);
430 /* Load a level-specific graphic... */
432 void level_load_image(texture_type* ptexture, char* theme, char * file, int use_alpha)
436 snprintf(fname, 1024, "%s/themes/%s/%s", st_dir, theme, file);
437 if(!faccessible(fname))
438 snprintf(fname, 1024, "%s/images/themes/%s/%s", DATA_PREFIX, theme, file);
440 texture_load(ptexture, fname, use_alpha);
443 /* Edit a piece of the map! */
445 void level_change(st_level* plevel, float x, float y, unsigned char c)
452 if (yy >= 0 && yy < 15 && xx >= 0 && xx <= plevel->width)
453 plevel->tiles[yy][xx] = c;
456 /* Free music data for this level: */
458 void level_free_song(void)
460 free_music(level_song);
461 free_music(level_song_fast);
466 void level_load_song(st_level* plevel)
470 char * song_subtitle;
472 song_path = (char *) malloc(sizeof(char) * (strlen(DATA_PREFIX) +
473 strlen(plevel->song_title) + 8));
474 sprintf(song_path, "%s/music/%s", DATA_PREFIX, plevel->song_title);
475 level_song = load_song(song_path);
479 song_path = (char *) malloc(sizeof(char) * (strlen(DATA_PREFIX) +
480 strlen(plevel->song_title) + 8 + 5));
481 song_subtitle = strdup(plevel->song_title);
482 strcpy(strstr(song_subtitle, "."), "\0");
483 sprintf(song_path, "%s/music/%s-fast%s", DATA_PREFIX, song_subtitle, strstr(plevel->song_title, "."));
484 level_song_fast = load_song(song_path);