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->levels = 0;
31 void subset_load(st_subset* st_subset, char *subset)
38 st_subset->name = (char*) malloc(sizeof(char)*(strlen(subset)+1));
39 strcpy(st_subset->name,subset);
41 snprintf(filename, 1024, "%s/levels/%s/info", st_dir, subset);
42 if(!faccessible(filename))
43 snprintf(filename, 1024, "%s/levels/%s/info", DATA_PREFIX, subset);
44 if(faccessible(filename))
46 fi = fopen(filename, "r");
52 /* Load title info: */
54 st_subset->title = (char*) malloc(sizeof(char)*(strlen(str)+1));
55 strcpy(st_subset->title, str);
57 /* Load the description: */
60 st_subset->description = NULL;
62 while(fgets(str, 300, fi) != NULL)
65 if(st_subset->description == NULL)
66 st_subset->description = (char*) calloc(len+1,sizeof(char));
68 st_subset->description = (char*) realloc(st_subset->description, sizeof(char) * (len+1));
69 strcat(st_subset->description,str);
73 snprintf(str, 1024, "%s.png", filename);
76 texture_load(&st_subset->image,str,IGNORE_ALPHA);
80 snprintf(filename, 1024, "%s/images/status/level-subset-info.png", DATA_PREFIX);
81 texture_load(&st_subset->image,filename,IGNORE_ALPHA);
85 for(i=1; i != -1; ++i)
87 /* Get the number of levels in this subset */
88 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset,i);
89 if(!faccessible(filename))
91 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset,i);
92 if(!faccessible(filename))
96 st_subset->levels = --i;
99 void subset_free(st_subset* st_subset)
101 free(st_subset->title);
102 free(st_subset->description);
103 free(st_subset->name);
104 texture_free(&st_subset->image);
105 st_subset->levels = 0;
108 /* Load data for this level: */
109 /* Returns -1, if the loading of the level failed. */
110 int level_load(st_level* plevel, char *subset, int level)
118 /* Load data file: */
120 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset, level);
121 if(!faccessible(filename))
122 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset, level);
123 fi = fopen(filename, "r");
131 /* Load header info: */
136 strcpy(plevel->name, str);
137 plevel->name[strlen(plevel->name)-1] = '\0';
141 strcpy(plevel->theme, str);
142 plevel->theme[strlen(plevel->theme)-1] = '\0';
146 /* (Time to beat level) */
148 plevel->time_left = atoi(str);
150 /* (Song file for this level) */
151 fgets(str, sizeof(plevel->song_title), fi);
152 strcpy(plevel->song_title, str);
153 plevel->song_title[strlen(plevel->song_title)-1] = '\0';
155 /* (Level background image) */
156 fgets(str, sizeof(plevel->bkgd_image), fi);
157 strcpy(plevel->bkgd_image, str);
158 plevel->bkgd_image[strlen(plevel->bkgd_image)-1] = '\0';
160 /* (Level background color) */
162 plevel->bkgd_red = atoi(str);
164 plevel->bkgd_green= atoi(str);
166 plevel->bkgd_blue = atoi(str);
170 plevel->width = atoi(str);
172 /* (Level gravity) */
174 plevel->gravity = atof(str);
176 /* Set the global gravity to the latest loaded level's gravity */
177 gravity = plevel->gravity;
179 /* Allocate some space for the line-reading! */
181 line = (char *) malloc(sizeof(char) * (plevel->width + 5));
184 fprintf(stderr, "Couldn't allocate space to load level data!");
190 /* Load the level lines: */
192 for (y = 0; y < 15; y++)
194 if(fgets(line, plevel->width + 5, fi) == NULL)
196 fprintf(stderr, "Level %s isn't complete!\n",plevel->name);
201 line[strlen(line) - 1] = '\0';
202 plevel->tiles[y] = (unsigned char*) strdup(line);
210 /* Save data for level: */
212 void level_save(st_level* plevel, char * subset, int level)
219 /* Save data file: */
220 sprintf(str, "/levels/%s/", subset);
222 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset, level);
223 if(!fwriteable(filename))
224 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset, level);
226 fi = fopen(filename, "w");
234 fputs(plevel->name, fi);
236 fputs(plevel->theme, fi);
238 sprintf(str, "%d\n", plevel->time_left); /* time */
240 fputs(plevel->song_title, fi); /* song filename */
242 fputs(plevel->bkgd_image, fi); /* background image */
243 sprintf(str, "\n%d\n", plevel->bkgd_red); /* red background color */
245 sprintf(str, "%d\n", plevel->bkgd_green); /* green background color */
247 sprintf(str, "%d\n", plevel->bkgd_blue); /* blue background color */
249 sprintf(str, "%d\n", plevel->width); /* level width */
251 sprintf(str, "%2.1f\n", plevel->gravity); /* level gravity */
254 for(y = 0; y < 15; ++y)
256 fputs((const char*)plevel->tiles[y], fi);
264 /* Unload data for this level: */
266 void level_free(st_level* plevel)
269 for(i=0; i < 15; ++i)
270 free(plevel->tiles[i]);
272 plevel->name[0] = '\0';
273 plevel->theme[0] = '\0';
274 plevel->song_title[0] = '\0';
275 plevel->bkgd_image[0] = '\0';
280 void level_load_gfx(st_level *plevel)
283 level_load_image(&img_brick[0],plevel->theme,"brick0.png", IGNORE_ALPHA);
284 level_load_image(&img_brick[1],plevel->theme,"brick1.png", IGNORE_ALPHA);
286 level_load_image(&img_solid[0],plevel->theme,"solid0.png", USE_ALPHA);
287 level_load_image(&img_solid[1],plevel->theme,"solid1.png", USE_ALPHA);
288 level_load_image(&img_solid[2],plevel->theme,"solid2.png", USE_ALPHA);
289 level_load_image(&img_solid[3],plevel->theme,"solid3.png", USE_ALPHA);
291 level_load_image(&img_bkgd_tile[0][0],plevel->theme,"bkgd-00.png", USE_ALPHA);
292 level_load_image(&img_bkgd_tile[0][1],plevel->theme,"bkgd-01.png", USE_ALPHA);
293 level_load_image(&img_bkgd_tile[0][2],plevel->theme,"bkgd-02.png", USE_ALPHA);
294 level_load_image(&img_bkgd_tile[0][3],plevel->theme,"bkgd-03.png", USE_ALPHA);
296 level_load_image(&img_bkgd_tile[1][0],plevel->theme,"bkgd-10.png", USE_ALPHA);
297 level_load_image(&img_bkgd_tile[1][1],plevel->theme,"bkgd-11.png", USE_ALPHA);
298 level_load_image(&img_bkgd_tile[1][2],plevel->theme,"bkgd-12.png", USE_ALPHA);
299 level_load_image(&img_bkgd_tile[1][3],plevel->theme,"bkgd-13.png", USE_ALPHA);
301 if(strcmp(plevel->bkgd_image,"") != 0)
304 snprintf(fname, 1024, "%s/background/%s", st_dir, plevel->bkgd_image);
305 if(!faccessible(fname))
306 snprintf(fname, 1024, "%s/images/background/%s", DATA_PREFIX, plevel->bkgd_image);
307 texture_load(&img_bkgd, fname, IGNORE_ALPHA);
311 /* Free graphics data for this level: */
313 void level_free_gfx(void)
317 for (i = 0; i < 2; i++)
319 texture_free(&img_brick[i]);
321 for (i = 0; i < 4; i++)
323 texture_free(&img_solid[i]);
324 texture_free(&img_bkgd_tile[0][i]);
325 texture_free(&img_bkgd_tile[1][i]);
327 texture_free(&img_bkgd);
330 /* Load a level-specific graphic... */
332 void level_load_image(texture_type* ptexture, char* theme, char * file, int use_alpha)
336 snprintf(fname, 1024, "%s/themes/%s/%s", st_dir, theme, file);
337 if(!faccessible(fname))
338 snprintf(fname, 1024, "%s/images/themes/%s/%s", DATA_PREFIX, theme, file);
340 texture_load(ptexture, fname, use_alpha);
343 /* Edit a piece of the map! */
345 void level_change(st_level* plevel, float x, float y, unsigned char c)
352 if (yy >= 0 && yy < 15 && xx >= 0 && xx <= plevel->width)
353 plevel->tiles[yy][xx] = c;
356 /* Free music data for this level: */
358 void level_free_song(void)
360 free_music(level_song);
361 free_music(level_song_fast);
366 void level_load_song(st_level* plevel)
370 char * song_subtitle;
372 song_path = (char *) malloc(sizeof(char) * (strlen(DATA_PREFIX) +
373 strlen(plevel->song_title) + 8));
374 sprintf(song_path, "%s/music/%s", DATA_PREFIX, plevel->song_title);
375 level_song = load_song(song_path);
379 song_path = (char *) malloc(sizeof(char) * (strlen(DATA_PREFIX) +
380 strlen(plevel->song_title) + 8 + 5));
381 song_subtitle = strdup(plevel->song_title);
382 strcpy(strstr(song_subtitle, "."), "\0");
383 sprintf(song_path, "%s/music/%s-fast%s", DATA_PREFIX, song_subtitle, strstr(plevel->song_title, "."));
384 level_song_fast = load_song(song_path);