{
int i, x, y;
int header_size = 4;
- int content_size_type1 = MAX_ELEMENT_CONTENTS * 3 * 3;
-
- int chunk_size_expected = header_size + content_size_type1;
+ int content_size = MAX_ELEMENT_CONTENTS * 3 * 3;
+ int chunk_size_expected = header_size + content_size;
/* Note: "chunk_size" was wrong before version 2.0 when elements are
stored with 16-bit encoding (and should be twice as big then).
contained 16-bit elements and vice versa. */
if (level->encoding_16bit_field && level->file_version >= FILE_VERSION_2_0)
- chunk_size_expected += content_size_type1;
+ chunk_size_expected += content_size;
if (chunk_size_expected != chunk_size)
{
(chunk_info[i].loader)(&level, file, chunk_size);
/* the size of some chunks cannot be checked before reading other
- chunks first (like "HEAD" and "BODY") or before reading some
- header information first (like "CONT"), so check them here */
+ chunks first (like "HEAD" and "BODY") that contain some header
+ information, so check them here */
if (chunk_size_expected != chunk_size)
{
Error(ERR_WARN, "wrong size (%d) of chunk '%s' in level file '%s'",
else
{
/* chunk header already written -- write empty chunk data */
- for(i=0; i<LEVEL_CHUNK_CNT2_SIZE; i++)
- fputc(0, file);
+ WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_SIZE);
Error(ERR_WARN, "cannot save content for element '%d'", element);
return;
fputc(num_contents, file);
fputc(content_xsize, file);
fputc(content_ysize, file);
- for(i=0; i<LEVEL_CHUNK_CNT2_UNUSED; i++)
- fputc(0, file);
+
+ WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED);
for(i=0; i<MAX_ELEMENT_CONTENTS; i++)
for(y=0; y<3; y++)
{
int i, x, y;
char *filename = getLevelFilename(level_nr);
- int chunk_size;
+ int body_chunk_size;
FILE *file;
if (!(file = fopen(filename, MODE_WRITE)))
if (level.amoeba_content > 255)
level.encoding_16bit_amoeba = TRUE;
+ body_chunk_size =
+ level.fieldx * level.fieldy * (level.encoding_16bit_field ? 2 : 1);
+
fputs(LEVEL_COOKIE, file); /* file identifier */
fputc('\n', file);
}
#endif
- chunk_size =
- level.fieldx * level.fieldy * (level.encoding_16bit_field ? 2 : 1);
- putFileChunk(file, "BODY", chunk_size, BYTE_ORDER_BIG_ENDIAN);
+ putFileChunk(file, "BODY", body_chunk_size, BYTE_ORDER_BIG_ENDIAN);
SaveLevel_BODY(&level, file);
if (level.encoding_16bit_yamyam ||
chmod(filename, LEVEL_PERMS);
}
-void LoadTape(int level_nr)
+static void setTapeInfoToDefaults()
+{
+ int i;
+
+ /* always start with reliable default values (empty tape) */
+ tape.file_version = FILE_VERSION_ACTUAL;
+ tape.game_version = GAME_VERSION_ACTUAL;
+ TapeErase();
+
+ /* default values (also for pre-1.2 tapes) with only the first player */
+ tape.player_participates[0] = TRUE;
+ for(i=1; i<MAX_PLAYERS; i++)
+ tape.player_participates[i] = FALSE;
+
+ /* at least one (default: the first) player participates in every tape */
+ tape.num_participating_players = 1;
+}
+
+void OLD_LoadTape(int level_nr)
{
int i, j;
char *filename = getTapeFilename(level_nr);
tape.length_seconds = GetTapeLength();
}
-void SaveTape(int level_nr)
+static int LoadTape_HEAD(struct TapeInfo *tape, FILE *file, int chunk_size)
+{
+ int i;
+
+ tape->random_seed = getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
+ tape->date = getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
+ tape->length = getFile32BitInteger(file, BYTE_ORDER_BIG_ENDIAN);
+
+ /* read header fields that are new since version 1.2 */
+ if (tape->file_version >= FILE_VERSION_1_2)
+ {
+ byte store_participating_players = fgetc(file);
+
+ ReadUnusedBytesFromFile(file, TAPE_HEADER_UNUSED);
+
+ /* since version 1.2, tapes store which players participate in the tape */
+ tape->num_participating_players = 0;
+ for(i=0; i<MAX_PLAYERS; i++)
+ {
+ tape->player_participates[i] = FALSE;
+
+ if (store_participating_players & (1 << i))
+ {
+ tape->player_participates[i] = TRUE;
+ tape->num_participating_players++;
+ }
+ }
+ }
+
+ tape->level_nr = level_nr;
+ tape->counter = 0;
+ tape->changed = FALSE;
+
+ tape->recording = FALSE;
+ tape->playing = FALSE;
+ tape->pausing = FALSE;
+
+ return chunk_size;
+}
+
+static int LoadTape_BODY(struct TapeInfo *tape, FILE *file, int chunk_size)
+{
+ int i, j;
+ int chunk_size_expected =
+ (tape->num_participating_players + 1) * tape->length;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size);
+ return chunk_size_expected;
+ }
+
+#if DEBUG
+ printf("\nTAPE OF LEVEL %d\n", level_nr);
+#endif
+
+ for(i=0; i<tape->length; i++)
+ {
+ if (i >= MAX_TAPELEN)
+ break;
+
+ for(j=0; j<MAX_PLAYERS; j++)
+ {
+ tape->pos[i].action[j] = MV_NO_MOVING;
+
+ if (tape->player_participates[j])
+ tape->pos[i].action[j] = fgetc(file);
+
+#if DEBUG
+ {
+ int x = tape->pos[i].action[j];
+
+ printf("%d:%02x ", j, x);
+ printf("[%c%c%c%c|%c%c] - ",
+ (x & JOY_LEFT ? '<' : ' '),
+ (x & JOY_RIGHT ? '>' : ' '),
+ (x & JOY_UP ? '^' : ' '),
+ (x & JOY_DOWN ? 'v' : ' '),
+ (x & JOY_BUTTON_1 ? '1' : ' '),
+ (x & JOY_BUTTON_2 ? '2' : ' '));
+ }
+#endif
+
+ }
+
+ tape->pos[i].delay = fgetc(file);
+
+#if DEBUG
+ printf("[%03d]\n", tape->pos[i].delay);
+#endif
+
+ if (tape->file_version == FILE_VERSION_1_0)
+ {
+ /* eliminate possible diagonal moves in old tapes */
+ /* this is only for backward compatibility */
+
+ byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
+ byte action = tape->pos[i].action[0];
+ int k, num_moves = 0;
+
+ for (k=0; k<4; k++)
+ {
+ if (action & joy_dir[k])
+ {
+ tape->pos[i + num_moves].action[0] = joy_dir[k];
+ if (num_moves > 0)
+ tape->pos[i + num_moves].delay = 0;
+ num_moves++;
+ }
+ }
+
+ if (num_moves > 1)
+ {
+ num_moves--;
+ i += num_moves;
+ tape->length += num_moves;
+ }
+ }
+ else if (tape->file_version < FILE_VERSION_2_0)
+ {
+ if (tape->pos[i].delay > 1)
+ {
+ /* action part */
+ tape->pos[i + 1] = tape->pos[i];
+ tape->pos[i + 1].delay = 1;
+
+ /* delay part */
+ for(j=0; j<MAX_PLAYERS; j++)
+ tape->pos[i].action[j] = MV_NO_MOVING;
+ tape->pos[i].delay--;
+
+ i++;
+ tape->length++;
+ }
+ }
+
+ if (feof(file))
+ break;
+ }
+
+ if (i != tape->length)
+ chunk_size = (tape->num_participating_players + 1) * i;
+
+ return chunk_size;
+}
+
+void LoadTape(int level_nr)
+{
+ char *filename = getTapeFilename(level_nr);
+ char cookie[MAX_LINE_LEN];
+ char chunk_name[CHUNK_ID_LEN + 1];
+ FILE *file;
+ int chunk_size;
+
+ /* always start with reliable default values */
+ setTapeInfoToDefaults();
+
+ if (!(file = fopen(filename, MODE_READ)))
+ return;
+
+ /* check file identifier */
+ fgets(cookie, MAX_LINE_LEN, file);
+ if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+ cookie[strlen(cookie) - 1] = '\0';
+
+ if (!checkCookieString(cookie, TAPE_COOKIE)) /* unknown file format */
+ {
+ Error(ERR_WARN, "unknown format of tape file '%s'", filename);
+ fclose(file);
+ return;
+ }
+
+ if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
+ {
+ Error(ERR_WARN, "unsupported version of tape file '%s'", filename);
+ fclose(file);
+ return;
+ }
+
+ tape.game_version = tape.file_version;
+
+ if (tape.file_version < FILE_VERSION_1_2)
+ {
+ /* tape files from versions before 1.2.0 without chunk structure */
+ LoadTape_HEAD(&tape, file, TAPE_HEADER_SIZE);
+ LoadTape_BODY(&tape, file, 2 * tape.length);
+ }
+ else
+ {
+ static struct
+ {
+ char *name;
+ int size;
+ int (*loader)(struct TapeInfo *, FILE *, int);
+ }
+ chunk_info[] =
+ {
+ { "HEAD", TAPE_HEADER_SIZE, LoadTape_HEAD },
+ { "BODY", -1, LoadTape_BODY },
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunk(file, chunk_name, &chunk_size, BYTE_ORDER_BIG_ENDIAN))
+ {
+ int i = 0;
+
+ while (chunk_info[i].name != NULL &&
+ strcmp(chunk_name, chunk_info[i].name) != 0)
+ i++;
+
+ if (chunk_info[i].name == NULL)
+ {
+ Error(ERR_WARN, "unknown chunk '%s' in tape file '%s'",
+ chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else if (chunk_info[i].size != -1 &&
+ chunk_info[i].size != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in tape file '%s'",
+ chunk_size, chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else
+ {
+ /* call function to load this tape chunk */
+ int chunk_size_expected =
+ (chunk_info[i].loader)(&tape, file, chunk_size);
+
+ /* the size of some chunks cannot be checked before reading other
+ chunks first (like "HEAD" and "BODY") that contain some header
+ information, so check them here */
+ if (chunk_size_expected != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in tape file '%s'",
+ chunk_size, chunk_name, filename);
+ }
+ }
+ }
+ }
+
+ fclose(file);
+
+ tape.length_seconds = GetTapeLength();
+}
+
+void OLD_SaveTape(int level_nr)
{
int i;
char *filename = getTapeFilename(level_nr);
Request("tape saved !", REQ_CONFIRM);
}
+static void SaveTape_HEAD(struct TapeInfo *tape, FILE *file)
+{
+ int i;
+ byte store_participating_players = 0;
+
+ /* set bits for participating players for compact storage */
+ for(i=0; i<MAX_PLAYERS; i++)
+ if (tape->player_participates[i])
+ store_participating_players |= (1 << i);
+
+ putFile32BitInteger(file, tape->random_seed, BYTE_ORDER_BIG_ENDIAN);
+ putFile32BitInteger(file, tape->date, BYTE_ORDER_BIG_ENDIAN);
+ putFile32BitInteger(file, tape->length, BYTE_ORDER_BIG_ENDIAN);
+
+ fputc(store_participating_players, file);
+
+ WriteUnusedBytesToFile(file, TAPE_HEADER_UNUSED);
+}
+
+static void SaveTape_BODY(struct TapeInfo *tape, FILE *file)
+{
+ int i, j;
+
+ for(i=0; i<tape->length; i++)
+ {
+ for(j=0; j<MAX_PLAYERS; j++)
+ if (tape->player_participates[j])
+ fputc(tape->pos[i].action[j], file);
+
+ fputc(tape->pos[i].delay, file);
+ }
+}
+
+void SaveTape(int level_nr)
+{
+ int i;
+ char *filename = getTapeFilename(level_nr);
+ FILE *file;
+ boolean new_tape = TRUE;
+ int num_participating_players = 0;
+ int body_chunk_size;
+
+ InitTapeDirectory(leveldir_current->filename);
+
+ /* if a tape still exists, ask to overwrite it */
+ if (access(filename, F_OK) == 0)
+ {
+ new_tape = FALSE;
+ if (!Request("Replace old tape ?", REQ_ASK))
+ return;
+ }
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot save level recording file '%s'", filename);
+ return;
+ }
+
+ /* count number of participating players */
+ for(i=0; i<MAX_PLAYERS; i++)
+ if (tape.player_participates[i])
+ num_participating_players++;
+
+ body_chunk_size = (num_participating_players + 1) * tape.length;
+
+ fputs(TAPE_COOKIE, file); /* file identifier */
+ fputc('\n', file);
+
+ putFileChunk(file, "HEAD", TAPE_HEADER_SIZE, BYTE_ORDER_BIG_ENDIAN);
+ SaveTape_HEAD(&tape, file);
+
+ putFileChunk(file, "BODY", body_chunk_size, BYTE_ORDER_BIG_ENDIAN);
+ SaveTape_BODY(&tape, file);
+
+ fclose(file);
+
+ chmod(filename, TAPE_PERMS);
+
+ tape.changed = FALSE;
+
+ if (new_tape)
+ Request("tape saved !", REQ_CONFIRM);
+}
+
void LoadScore(int level_nr)
{
int i;
projects / rocksndiamonds.git / commitdiff