2 // C Implementation: level
7 // Author: Tobias Glaesser <tobi.web@gmx.de>, (C) 2003
9 // Copyright: See COPYING file that comes with this distribution
21 texture_type img_bkgd, img_bkgd_tile[2][4], img_solid[4], img_brick[2];
23 void subset_init(st_subset* st_subset)
25 st_subset->title = NULL;
26 st_subset->description = NULL;
27 st_subset->levels = 0;
30 void subset_load(st_subset* st_subset, char *subset)
37 st_subset->name = (char*) malloc(sizeof(char)*(strlen(subset)+1));
38 strcpy(st_subset->name,subset);
40 snprintf(filename, 1024, "%s/levels/%s/info", st_dir, subset);
41 if(!faccessible(filename))
42 snprintf(filename, 1024, "%s/levels/%s/info", DATA_PREFIX, subset);
43 if(faccessible(filename))
45 fi = fopen(filename, "r");
51 /* Load title info: */
53 st_subset->title = (char*) malloc(sizeof(char)*(strlen(str)+1));
54 strcpy(st_subset->title, str);
56 /* Load the description: */
59 st_subset->description = NULL;
61 while(fgets(str, 300, fi) != NULL)
64 if(st_subset->description == NULL)
65 st_subset->description = (char*) calloc(len+1,sizeof(char));
67 st_subset->description = (char*) realloc(st_subset->description, sizeof(char) * (len+1));
68 strcat(st_subset->description,str);
72 snprintf(str, 1024, "%s.png", filename);
75 texture_load(&st_subset->image,str,IGNORE_ALPHA);
79 snprintf(filename, 1024, "%s/images/status/level-subset-info.png", DATA_PREFIX);
80 texture_load(&st_subset->image,filename,IGNORE_ALPHA);
84 for(i=1; i != -1; ++i)
86 /* Get the number of levels in this subset */
87 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset,i);
88 if(!faccessible(filename))
90 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset,i);
91 if(!faccessible(filename))
95 st_subset->levels = --i;
98 void subset_free(st_subset* st_subset)
100 free(st_subset->title);
101 free(st_subset->description);
102 free(st_subset->name);
103 texture_free(&st_subset->image);
104 st_subset->levels = 0;
107 /* Load data for this level: */
108 /* Returns -1, if the loading of the level failed. */
109 int level_load(st_level* plevel, char *subset, int level)
117 /* Load data file: */
119 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset, level);
120 if(!faccessible(filename))
121 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset, level);
122 fi = fopen(filename, "r");
130 /* Load header info: */
135 strcpy(plevel->name, str);
136 plevel->name[strlen(plevel->name)-1] = '\0';
140 strcpy(plevel->theme, str);
141 plevel->theme[strlen(plevel->theme)-1] = '\0';
145 /* (Time to beat level) */
147 plevel->time_left = atoi(str);
149 /* (Song file for this level) */
150 fgets(str, sizeof(plevel->song_title), fi);
151 strcpy(plevel->song_title, str);
152 plevel->song_title[strlen(plevel->song_title)-1] = '\0';
154 /* (Level background image) */
155 fgets(str, sizeof(plevel->bkgd_image), fi);
156 strcpy(plevel->bkgd_image, str);
157 plevel->bkgd_image[strlen(plevel->bkgd_image)-1] = '\0';
159 /* (Level background color) */
161 plevel->bkgd_red = atoi(str);
163 plevel->bkgd_green= atoi(str);
165 plevel->bkgd_blue = atoi(str);
169 plevel->width = atoi(str);
172 /* Allocate some space for the line-reading! */
174 line = (char *) malloc(sizeof(char) * (plevel->width + 5));
177 fprintf(stderr, "Couldn't allocate space to load level data!");
183 /* Load the level lines: */
185 for (y = 0; y < 15; y++)
187 if(fgets(line, plevel->width + 5, fi) == NULL)
189 fprintf(stderr, "Level %s isn't complete!\n",plevel->name);
194 line[strlen(line) - 1] = '\0';
195 plevel->tiles[y] = (unsigned char*) strdup(line);
203 /* Save data for level: */
205 void level_save(st_level* plevel, char * subset, int level)
212 /* Save data file: */
213 sprintf(str, "/levels/%s/", subset);
215 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", st_dir, subset, level);
216 if(!fwriteable(filename))
217 snprintf(filename, 1024, "%s/levels/%s/level%d.dat", DATA_PREFIX, subset, level);
219 fi = fopen(filename, "w");
227 fputs(plevel->name, fi);
229 fputs(plevel->theme, fi);
231 sprintf(str, "%d\n", plevel->time_left); /* time */
233 fputs(plevel->song_title, fi); /* song filename */
235 fputs(plevel->bkgd_image, fi); /* background image */
236 sprintf(str, "\n%d\n", plevel->bkgd_red); /* red background color */
238 sprintf(str, "%d\n", plevel->bkgd_green); /* green background color */
240 sprintf(str, "%d\n", plevel->bkgd_blue); /* blue background color */
242 sprintf(str, "%d\n", plevel->width); /* level width */
245 for(y = 0; y < 15; ++y)
247 fputs((const char*)plevel->tiles[y], fi);
255 /* Unload data for this level: */
257 void level_free(st_level* plevel)
260 for(i=0; i < 15; ++i)
261 free(plevel->tiles[i]);
263 plevel->name[0] = '\0';
264 plevel->theme[0] = '\0';
265 plevel->song_title[0] = '\0';
266 plevel->bkgd_image[0] = '\0';
271 void level_load_gfx(st_level *plevel)
274 level_load_image(&img_brick[0],plevel->theme,"brick0.png", IGNORE_ALPHA);
275 level_load_image(&img_brick[1],plevel->theme,"brick1.png", IGNORE_ALPHA);
277 level_load_image(&img_solid[0],plevel->theme,"solid0.png", USE_ALPHA);
278 level_load_image(&img_solid[1],plevel->theme,"solid1.png", USE_ALPHA);
279 level_load_image(&img_solid[2],plevel->theme,"solid2.png", USE_ALPHA);
280 level_load_image(&img_solid[3],plevel->theme,"solid3.png", USE_ALPHA);
282 level_load_image(&img_bkgd_tile[0][0],plevel->theme,"bkgd-00.png", USE_ALPHA);
283 level_load_image(&img_bkgd_tile[0][1],plevel->theme,"bkgd-01.png", USE_ALPHA);
284 level_load_image(&img_bkgd_tile[0][2],plevel->theme,"bkgd-02.png", USE_ALPHA);
285 level_load_image(&img_bkgd_tile[0][3],plevel->theme,"bkgd-03.png", USE_ALPHA);
287 level_load_image(&img_bkgd_tile[1][0],plevel->theme,"bkgd-10.png", USE_ALPHA);
288 level_load_image(&img_bkgd_tile[1][1],plevel->theme,"bkgd-11.png", USE_ALPHA);
289 level_load_image(&img_bkgd_tile[1][2],plevel->theme,"bkgd-12.png", USE_ALPHA);
290 level_load_image(&img_bkgd_tile[1][3],plevel->theme,"bkgd-13.png", USE_ALPHA);
292 if(strcmp(plevel->bkgd_image,"") != 0)
295 snprintf(fname, 1024, "%s/background/%s", st_dir, plevel->bkgd_image);
296 if(!faccessible(fname))
297 snprintf(fname, 1024, "%s/images/background/%s", DATA_PREFIX, plevel->bkgd_image);
298 texture_load(&img_bkgd, fname, IGNORE_ALPHA);
302 /* Free graphics data for this level: */
304 void level_free_gfx(void)
308 for (i = 0; i < 2; i++)
310 texture_free(&img_brick[i]);
312 for (i = 0; i < 4; i++)
314 texture_free(&img_solid[i]);
315 texture_free(&img_bkgd_tile[0][i]);
316 texture_free(&img_bkgd_tile[1][i]);
318 texture_free(&img_bkgd);
321 /* Load a level-specific graphic... */
323 void level_load_image(texture_type* ptexture, char* theme, char * file, int use_alpha)
327 snprintf(fname, 1024, "%s/themes/%s/%s", st_dir, theme, file);
328 if(!faccessible(fname))
329 snprintf(fname, 1024, "%s/images/themes/%s/%s", DATA_PREFIX, theme, file);
331 texture_load(ptexture, fname, use_alpha);
334 /* Edit a piece of the map! */
336 void level_change(st_level* plevel, float x, float y, unsigned char c)
343 if (yy >= 0 && yy < 15 && xx >= 0 && xx <= plevel->width)
344 plevel->tiles[yy][xx] = c;
347 /* Free music data for this level: */
349 void level_free_song(void)
351 free_music(level_song);
352 free_music(level_song_fast);
357 void level_load_song(st_level* plevel)
361 char * song_subtitle;
363 song_path = (char *) malloc(sizeof(char) * (strlen(DATA_PREFIX) +
364 strlen(plevel->song_title) + 8));
365 sprintf(song_path, "%s/music/%s", DATA_PREFIX, plevel->song_title);
366 level_song = load_song(song_path);
370 song_path = (char *) malloc(sizeof(char) * (strlen(DATA_PREFIX) +
371 strlen(plevel->song_title) + 8 + 5));
372 song_subtitle = strdup(plevel->song_title);
373 strcpy(strstr(song_subtitle, "."), "\0");
374 sprintf(song_path, "%s/music/%s-fast%s", DATA_PREFIX, song_subtitle, strstr(plevel->song_title, "."));
375 level_song_fast = load_song(song_path);