2 * Copyright (C) 2003 Robert Kooima
4 * NEVERBALL is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published
6 * by the Free Software Foundation; either version 2 of the License,
7 * or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
27 /*---------------------------------------------------------------------------*/
29 #define MAGIC 0x52424EAF
30 #define DEMO_VERSION 3
36 static struct demo demos[MAXDEMO]; /* Array of scanned demos */
37 static int count; /* Number of scanned demos */
39 /*---------------------------------------------------------------------------*/
41 void demo_dump_info(const struct demo *d)
62 d->timer, d->coins, d->mode, d->state, ctime(&d->date),
64 d->shot, d->file, d->back, d->grad, d->song,
65 d->time, d->goal, d->score, d->balls, d->times);
68 static time_t make_time_from_utc(struct tm *tm)
70 struct tm local, *utc;
75 local = *localtime(&t);
78 local.tm_year += local.tm_year - utc->tm_year;
79 local.tm_mon += local.tm_mon - utc->tm_mon ;
80 local.tm_mday += local.tm_mday - utc->tm_mday;
81 local.tm_hour += local.tm_hour - utc->tm_hour;
82 local.tm_min += local.tm_min - utc->tm_min ;
83 local.tm_sec += local.tm_sec - utc->tm_sec ;
85 return mktime(&local);
88 static int demo_header_read(FILE *fp, struct demo *d)
95 char datestr[DATELEN];
97 get_index(fp, &magic);
98 get_index(fp, &version);
102 if (magic == MAGIC && version == DEMO_VERSION && t)
106 get_index(fp, &d->coins);
107 get_index(fp, &d->state);
108 get_index(fp, &d->mode);
110 fread(d->player, 1, MAXNAM, fp);
112 fread(datestr, 1, DATELEN, fp);
122 /* Convert certain values to valid structure member values. */
124 date.tm_year -= 1900;
127 d->date = make_time_from_utc(&date);
129 fread(d->shot, 1, PATHMAX, fp);
130 fread(d->file, 1, PATHMAX, fp);
132 get_index(fp, &d->time);
133 get_index(fp, &d->goal);
134 get_index(fp, &d->score);
135 get_index(fp, &d->balls);
136 get_index(fp, &d->times);
143 static char *bname(const char *name, const char *suffix)
145 static char buf[MAXSTR];
150 /* Remove the directory delimiter */
152 base = strrchr(name, '/');
155 base = strrchr(name, '\\');
159 if ((tmp = strrchr(base, '\\')))
163 strncpy(buf, base ? base + 1 : name, MAXSTR);
165 /* Remove the extension */
167 l = strlen(buf) - strlen(suffix);
168 if ((l > 1) && (strcmp(buf + l, suffix) == 0))
174 static void demo_header_write(FILE *fp, struct demo *d)
177 int version = DEMO_VERSION;
180 char datestr[DATELEN];
182 strftime(datestr, DATELEN, "%Y-%m-%dT%H:%M:%S", gmtime(&d->date));
184 put_index(fp, &magic);
185 put_index(fp, &version);
186 put_index(fp, &zero);
187 put_index(fp, &zero);
188 put_index(fp, &zero);
189 put_index(fp, &d->mode);
191 fwrite(d->player, 1, MAXNAM, fp);
192 fwrite(datestr, 1, DATELEN, fp);
194 fwrite(d->shot, 1, PATHMAX, fp);
195 fwrite(d->file, 1, PATHMAX, fp);
197 put_index(fp, &d->time);
198 put_index(fp, &d->goal);
199 put_index(fp, &d->score);
200 put_index(fp, &d->balls);
201 put_index(fp, &d->times);
204 /* Update the demo header using the final level state. */
206 void demo_header_stop(FILE *fp, int coins, int timer, int state)
208 long pos = ftell(fp);
210 fseek(fp, 8, SEEK_SET);
211 put_index(fp, &timer);
212 put_index(fp, &coins);
213 put_index(fp, &state);
214 fseek(fp, pos, SEEK_SET);
217 /*---------------------------------------------------------------------------*/
219 /* Scan another file (used by demo_scan). */
221 static void demo_scan_file(const char *filename)
224 struct demo *d = &demos[count];
226 if ((fp = fopen(config_user(filename), FMODE_RB)))
228 if (demo_header_read(fp, d))
230 strncpy(d->filename, config_user(filename), MAXSTR);
231 strncpy(d->name, bname(filename, REPLAY_EXT), PATHMAX);
232 d->name[PATHMAX - 1] = '\0';
249 /* Scan the user directory for files. */
251 if ((h = FindFirstFile(config_user("*"), &d)) != INVALID_HANDLE_VALUE)
254 demo_scan_file(d.cFileName);
255 while (count < MAXDEMO && FindNextFile(h, &d));
272 /* Scan the user directory for files. */
274 if ((dp = opendir(config_user(""))))
276 while (count < MAXDEMO && (ent = readdir(dp)))
277 demo_scan_file(ent->d_name);
285 const char *demo_pick(void)
289 return (n > 0) ? demos[(rand() >> 4) % n].filename : NULL;
292 const struct demo *demo_get(int i)
294 return (0 <= i && i < count) ? &demos[i] : NULL;
297 const char *date_to_str(time_t i)
299 static char str[MAXSTR];
301 strftime(str, MAXSTR, "%c", localtime(&i));
305 /*---------------------------------------------------------------------------*/
307 int demo_exists(const char *name)
312 strcpy(buf, config_user(name));
313 strcat(buf, REPLAY_EXT);
314 if ((fp = fopen(buf, "r")))
322 void demo_unique(char *name)
326 /* Generate a unique name for a new replay save. */
328 for (i = 1; i < 100; i++)
330 sprintf(name, "replay%02d", i);
332 if (!demo_exists(name))
337 /*---------------------------------------------------------------------------*/
339 int demo_play_init(const char *name,
340 const struct level *level,
341 const struct level_game *lg)
345 memset(&demo, 0, sizeof (demo));
347 strncpy(demo.filename, config_user(name), MAXSTR);
348 strcat(demo.filename, REPLAY_EXT);
350 demo.mode = lg->mode;
351 demo.date = time(NULL);
353 config_get_s(CONFIG_PLAYER, demo.player, MAXNAM);
355 strncpy(demo.shot, level->shot, PATHMAX);
356 strncpy(demo.file, level->file, PATHMAX);
357 strncpy(demo.back, level->back, PATHMAX);
358 strncpy(demo.grad, level->grad, PATHMAX);
359 strncpy(demo.song, level->song, PATHMAX);
361 demo.time = lg->time;
362 demo.goal = lg->goal;
363 demo.score = lg->score;
364 demo.balls = lg->balls;
365 demo.times = lg->times;
367 if (demo.filename && (demo_fp = fopen(demo.filename, FMODE_WB)))
369 demo_header_write(demo_fp, &demo);
370 audio_music_fade_to(2.0f, level->song);
371 return game_init(level, lg->time, lg->goal);
376 void demo_play_step(float dt)
380 put_float(demo_fp, &dt);
381 put_game_state(demo_fp);
385 /* Update the demo header using the final level state. */
387 void demo_play_stop(const struct level_game *lg)
391 demo_header_stop(demo_fp, lg->coins, lg->timer, lg->state);
397 int demo_play_saved(void)
399 return demo_exists(USER_REPLAY_FILE);
402 void demo_play_save(const char *name)
408 demo_exists(USER_REPLAY_FILE) &&
409 strcmp(name, USER_REPLAY_FILE) != 0)
411 strcpy(src, config_user(USER_REPLAY_FILE));
412 strcat(src, REPLAY_EXT);
413 strcpy(dst, config_user(name));
414 strcat(dst, REPLAY_EXT);
417 if (demo_exists(name))
424 /*---------------------------------------------------------------------------*/
426 static int demo_load_level(const struct demo *demo, struct level *level)
428 if (level_load(demo->file, level))
430 level->time = demo->time;
431 level->goal = demo->goal;
437 static struct demo demo_replay; /* The current demo */
438 static struct level demo_level_replay; /* The current level demo-ed*/
440 const struct demo *curr_demo_replay(void)
445 /* Internally load a replay and fill the lg structure (if not NULL) */
447 int demo_replay_init(const char *name, struct level_game *lg)
449 demo_fp = fopen(name, FMODE_RB);
451 if (demo_fp && demo_header_read(demo_fp, &demo_replay))
453 strncpy(demo_replay.filename, name, MAXSTR);
454 strncpy(demo_replay.name, bname(name, REPLAY_EXT), PATHMAX);
456 if (!demo_load_level(&demo_replay, &demo_level_replay))
461 lg->mode = demo_replay.mode;
462 lg->score = demo_replay.score;
463 lg->times = demo_replay.times;
464 lg->time = demo_replay.time;
465 lg->goal = demo_replay.goal;
467 /* A normal replay demo */
468 audio_music_fade_to(0.5f, demo_replay.song);
469 return game_init(&demo_level_replay, demo_replay.time,
472 else /* A title screen demo */
473 return game_init(&demo_level_replay, demo_replay.time, 0);
478 int demo_replay_step(float *dt)
480 const float g[3] = { 0.0f, -9.8f, 0.0f };
485 get_float(demo_fp, dt);
487 if (feof(demo_fp) == 0)
489 /* Play out current game state for particles, clock, etc. */
491 game_step(g, *dt, &sv);
493 /* Load real current game state from file. */
495 if (get_game_state(demo_fp))
502 void demo_replay_stop(int d)
509 if (d) remove(demo_replay.filename);
513 void demo_replay_dump_info(void)
515 demo_dump_info(&demo_replay);
518 /*---------------------------------------------------------------------------*/