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 texture_type img_bkgd, img_bkgd_tile[2][4], img_solid[4], img_brick[2];
24 void subset_init(st_subset* st_subset)
26 st_subset->title = NULL;
27 st_subset->description = NULL;
28 st_subset->name = NULL;
29 st_subset->levels = 0;
32 void subset_load(st_subset* st_subset, char *subset)
39 st_subset->name = (char*) malloc(sizeof(char)*(strlen(subset)+1));
40 strcpy(st_subset->name,subset);
42 snprintf(filename, 1024, "%s/levels/%s/info", st_dir, subset);
43 if(!faccessible(filename))
44 snprintf(filename, 1024, "%s/levels/%s/info", DATA_PREFIX, subset);
45 if(faccessible(filename))
47 fi = fopen(filename, "r");
53 /* Load title info: */
55 st_subset->title = (char*) malloc(sizeof(char)*(strlen(str)+1));
56 strcpy(st_subset->title, str);
58 /* Load the description: */
61 st_subset->description = NULL;
63 while(fgets(str, 300, fi) != NULL)
66 if(st_subset->description == NULL)
67 st_subset->description = (char*) calloc(len+1,sizeof(char));
69 st_subset->description = (char*) realloc(st_subset->description, sizeof(char) * (len+1));
70 strcat(st_subset->description,str);
74 snprintf(str, 1024, "%s.png", filename);
77 texture_load(&st_subset->image,str,IGNORE_ALPHA);
81 snprintf(filename, 1024, "%s/images/status/level-subset-info.png", DATA_PREFIX);
82 texture_load(&st_subset->image,filename,IGNORE_ALPHA);
86 for(i=1; i != -1; ++i)
88 /* Get the number of levels in this subset */
89 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset,i);
90 if(!faccessible(filename))
92 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset,i);
93 if(!faccessible(filename))
97 st_subset->levels = --i;
100 void subset_save(st_subset* st_subset)
105 /* Save data file: */
106 sprintf(filename, "/levels/%s/", st_subset->name);
108 fcreatedir(filename);
109 snprintf(filename, 1024, "%s/levels/%s/info", st_dir, st_subset->name);
110 if(!fwriteable(filename))
111 snprintf(filename, 1024, "%s/levels/%s/info", DATA_PREFIX, st_subset->name);
112 if(fwriteable(filename))
114 fi = fopen(filename, "w");
120 /* Save title info: */
121 fputs(st_subset->title, fi);
124 /* Save the description: */
126 fputs(st_subset->description, fi);
133 void subset_free(st_subset* st_subset)
135 free(st_subset->title);
136 free(st_subset->description);
137 free(st_subset->name);
138 texture_free(&st_subset->image);
139 st_subset->levels = 0;
142 /* Load data for this level: */
143 /* Returns -1, if the loading of the level failed. */
144 int level_load(st_level* plevel, char *subset, int level)
152 /* Load data file: */
154 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset, level);
155 if(!faccessible(filename))
156 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset, level);
157 fi = fopen(filename, "r");
165 /* Load header info: */
170 strcpy(plevel->name, str);
171 plevel->name[strlen(plevel->name)-1] = '\0';
175 strcpy(plevel->theme, str);
176 plevel->theme[strlen(plevel->theme)-1] = '\0';
180 /* (Time to beat level) */
182 plevel->time_left = atoi(str);
184 /* (Song file for this level) */
185 fgets(str, sizeof(plevel->song_title), fi);
186 strcpy(plevel->song_title, str);
187 plevel->song_title[strlen(plevel->song_title)-1] = '\0';
189 /* (Level background image) */
190 fgets(str, sizeof(plevel->bkgd_image), fi);
191 strcpy(plevel->bkgd_image, str);
192 plevel->bkgd_image[strlen(plevel->bkgd_image)-1] = '\0';
194 /* (Level background color) */
196 plevel->bkgd_red = atoi(str);
198 plevel->bkgd_green= atoi(str);
200 plevel->bkgd_blue = atoi(str);
204 plevel->width = atoi(str);
206 /* (Level gravity) */
208 plevel->gravity = atof(str);
210 /* Set the global gravity to the latest loaded level's gravity */
211 gravity = plevel->gravity;
213 /* Allocate some space for the line-reading! */
215 line = (char *) malloc(sizeof(char) * (plevel->width + 5));
218 fprintf(stderr, "Couldn't allocate space to load level data!");
224 /* Load the level lines: */
226 for (y = 0; y < 15; y++)
228 if(fgets(line, plevel->width + 5, fi) == NULL)
230 fprintf(stderr, "Level %s isn't complete!\n",plevel->name);
235 line[strlen(line) - 1] = '\0';
236 plevel->tiles[y] = (unsigned char*) strdup(line);
244 /* Save data for level: */
246 void level_save(st_level* plevel, char * subset, int level)
253 /* Save data file: */
254 sprintf(str, "/levels/%s/", subset);
256 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset, level);
257 if(!fwriteable(filename))
258 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset, level);
260 fi = fopen(filename, "w");
268 fputs(plevel->name, fi);
270 fputs(plevel->theme, fi);
272 sprintf(str, "%d\n", plevel->time_left); /* time */
274 fputs(plevel->song_title, fi); /* song filename */
276 fputs(plevel->bkgd_image, fi); /* background image */
277 sprintf(str, "\n%d\n", plevel->bkgd_red); /* red background color */
279 sprintf(str, "%d\n", plevel->bkgd_green); /* green background color */
281 sprintf(str, "%d\n", plevel->bkgd_blue); /* blue background color */
283 sprintf(str, "%d\n", plevel->width); /* level width */
285 sprintf(str, "%2.1f\n", plevel->gravity); /* level gravity */
288 for(y = 0; y < 15; ++y)
290 fputs((const char*)plevel->tiles[y], fi);
298 /* Unload data for this level: */
300 void level_free(st_level* plevel)
303 for(i=0; i < 15; ++i)
304 free(plevel->tiles[i]);
306 plevel->name[0] = '\0';
307 plevel->theme[0] = '\0';
308 plevel->song_title[0] = '\0';
309 plevel->bkgd_image[0] = '\0';
314 void level_load_gfx(st_level *plevel)
316 level_load_image(&img_brick[0],plevel->theme,"brick0.png", IGNORE_ALPHA);
317 level_load_image(&img_brick[1],plevel->theme,"brick1.png", IGNORE_ALPHA);
319 level_load_image(&img_solid[0],plevel->theme,"solid0.png", USE_ALPHA);
320 level_load_image(&img_solid[1],plevel->theme,"solid1.png", USE_ALPHA);
321 level_load_image(&img_solid[2],plevel->theme,"solid2.png", USE_ALPHA);
322 level_load_image(&img_solid[3],plevel->theme,"solid3.png", USE_ALPHA);
324 level_load_image(&img_bkgd_tile[0][0],plevel->theme,"bkgd-00.png", USE_ALPHA);
325 level_load_image(&img_bkgd_tile[0][1],plevel->theme,"bkgd-01.png", USE_ALPHA);
326 level_load_image(&img_bkgd_tile[0][2],plevel->theme,"bkgd-02.png", USE_ALPHA);
327 level_load_image(&img_bkgd_tile[0][3],plevel->theme,"bkgd-03.png", USE_ALPHA);
329 level_load_image(&img_bkgd_tile[1][0],plevel->theme,"bkgd-10.png", USE_ALPHA);
330 level_load_image(&img_bkgd_tile[1][1],plevel->theme,"bkgd-11.png", USE_ALPHA);
331 level_load_image(&img_bkgd_tile[1][2],plevel->theme,"bkgd-12.png", USE_ALPHA);
332 level_load_image(&img_bkgd_tile[1][3],plevel->theme,"bkgd-13.png", USE_ALPHA);
334 if(strcmp(plevel->bkgd_image,"") != 0)
337 snprintf(fname, 1024, "%s/background/%s", st_dir, plevel->bkgd_image);
338 if(!faccessible(fname))
339 snprintf(fname, 1024, "%s/images/background/%s", DATA_PREFIX, plevel->bkgd_image);
340 texture_load(&img_bkgd, fname, IGNORE_ALPHA);
344 /* Free graphics data for this level: */
346 void level_free_gfx(void)
350 for (i = 0; i < 2; i++)
352 texture_free(&img_brick[i]);
354 for (i = 0; i < 4; i++)
356 texture_free(&img_solid[i]);
357 texture_free(&img_bkgd_tile[0][i]);
358 texture_free(&img_bkgd_tile[1][i]);
360 texture_free(&img_bkgd);
363 /* Load a level-specific graphic... */
365 void level_load_image(texture_type* ptexture, char* theme, char * file, int use_alpha)
369 snprintf(fname, 1024, "%s/themes/%s/%s", st_dir, theme, file);
370 if(!faccessible(fname))
371 snprintf(fname, 1024, "%s/images/themes/%s/%s", DATA_PREFIX, theme, file);
373 texture_load(ptexture, fname, use_alpha);
376 /* Edit a piece of the map! */
378 void level_change(st_level* plevel, float x, float y, unsigned char c)
385 if (yy >= 0 && yy < 15 && xx >= 0 && xx <= plevel->width)
386 plevel->tiles[yy][xx] = c;
389 /* Free music data for this level: */
391 void level_free_song(void)
393 free_music(level_song);
394 free_music(level_song_fast);
399 void level_load_song(st_level* plevel)
403 char * song_subtitle;
405 song_path = (char *) malloc(sizeof(char) * (strlen(DATA_PREFIX) +
406 strlen(plevel->song_title) + 8));
407 sprintf(song_path, "%s/music/%s", DATA_PREFIX, plevel->song_title);
408 level_song = load_song(song_path);
412 song_path = (char *) malloc(sizeof(char) * (strlen(DATA_PREFIX) +
413 strlen(plevel->song_title) + 8 + 5));
414 song_subtitle = strdup(plevel->song_title);
415 strcpy(strstr(song_subtitle, "."), "\0");
416 sprintf(song_path, "%s/music/%s-fast%s", DATA_PREFIX, song_subtitle, strstr(plevel->song_title, "."));
417 level_song_fast = load_song(song_path);