+ }
+
+ level->file_version = FILE_VERSION_ACTUAL;
+ level->game_version = GAME_VERSION_ACTUAL;
+
+ /* check level field for 16-bit elements */
+ level->encoding_16bit_field = FALSE;
+ for(y=0; y<level->fieldy; y++)
+ for(x=0; x<level->fieldx; x++)
+ if (level->field[x][y] > 255)
+ level->encoding_16bit_field = TRUE;
+
+ /* check yamyam content for 16-bit elements */
+ level->encoding_16bit_yamyam = FALSE;
+ for(i=0; i<level->num_yamyam_contents; i++)
+ for(y=0; y<3; y++)
+ for(x=0; x<3; x++)
+ if (level->yamyam_content[i][x][y] > 255)
+ level->encoding_16bit_yamyam = TRUE;
+
+ /* check amoeba content for 16-bit elements */
+ level->encoding_16bit_amoeba = FALSE;
+ if (level->amoeba_content > 255)
+ level->encoding_16bit_amoeba = TRUE;
+
+ /* calculate size of "BODY" chunk */
+ body_chunk_size =
+ level->fieldx * level->fieldy * (level->encoding_16bit_field ? 2 : 1);
+
+ /* check for non-standard custom elements and calculate "CUS3" chunk size */
+ for (i=0; i < NUM_CUSTOM_ELEMENTS; i++)
+ if (element_info[EL_CUSTOM_START + i].modified_settings)
+ num_changed_custom_elements++;
+ level_chunk_CUS3_size = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements);
+
+ putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
+ putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE);
+
+ putFileChunkBE(file, "VERS", FILE_VERS_CHUNK_SIZE);
+ SaveLevel_VERS(file, level);
+
+ putFileChunkBE(file, "HEAD", LEVEL_HEADER_SIZE);
+ SaveLevel_HEAD(file, level);
+
+ putFileChunkBE(file, "AUTH", MAX_LEVEL_AUTHOR_LEN);
+ SaveLevel_AUTH(file, level);
+
+ putFileChunkBE(file, "BODY", body_chunk_size);
+ SaveLevel_BODY(file, level);
+
+ if (level->encoding_16bit_yamyam ||
+ level->num_yamyam_contents != STD_ELEMENT_CONTENTS)
+ {
+ putFileChunkBE(file, "CNT2", LEVEL_CHUNK_CNT2_SIZE);
+ SaveLevel_CNT2(file, level, EL_YAMYAM);
+ }
+
+ if (level->encoding_16bit_amoeba)
+ {
+ putFileChunkBE(file, "CNT2", LEVEL_CHUNK_CNT2_SIZE);
+ SaveLevel_CNT2(file, level, EL_BD_AMOEBA);
+ }
+
+ if (num_changed_custom_elements > 0 && !level->use_custom_template)
+ {
+ putFileChunkBE(file, "CUS3", level_chunk_CUS3_size);
+ SaveLevel_CUS3(file, level, num_changed_custom_elements);
+ }
+
+ fclose(file);
+
+ SetFilePermissions(filename, PERMS_PRIVATE);
+}
+
+void SaveLevel(int level_nr)
+{
+ char *filename = getLevelFilename(level_nr);
+
+ SaveLevelFromFilename(&level, filename);
+}
+
+void SaveLevelTemplate()
+{
+ char *filename = getLevelFilename(-1);
+
+ SaveLevelFromFilename(&level, filename);
+}
+
+void DumpLevel(struct LevelInfo *level)
+{
+ printf_line("-", 79);
+ printf("Level xxx (file version %08d, game version %08d)\n",
+ level->file_version, level->game_version);
+ printf_line("-", 79);
+
+ printf("Level Author: '%s'\n", level->author);
+ printf("Level Title: '%s'\n", level->name);
+ printf("\n");
+ printf("Playfield Size: %d x %d\n", level->fieldx, level->fieldy);
+ printf("\n");
+ printf("Level Time: %d seconds\n", level->time);
+ printf("Gems needed: %d\n", level->gems_needed);
+ printf("\n");
+ printf("Time for Magic Wall: %d seconds\n", level->time_magic_wall);
+ printf("Time for Wheel: %d seconds\n", level->time_wheel);
+ printf("Time for Light: %d seconds\n", level->time_light);
+ printf("Time for Timegate: %d seconds\n", level->time_timegate);
+ printf("\n");
+ printf("Amoeba Speed: %d\n", level->amoeba_speed);
+ printf("\n");
+ printf("Gravity: %s\n", (level->gravity ? "yes" : "no"));
+ printf("Double Speed Movement: %s\n", (level->double_speed ? "yes" : "no"));
+ printf("EM style slippery gems: %s\n", (level->em_slippery_gems ? "yes" : "no"));
+
+ printf_line("-", 79);
+}
+
+
+/* ========================================================================= */
+/* tape file functions */
+/* ========================================================================= */
+
+static void setTapeInfoToDefaults()
+{
+ int i;
+
+ /* always start with reliable default values (empty tape) */
+ 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;
+
+ tape.level_nr = level_nr;
+ tape.counter = 0;
+ tape.changed = FALSE;
+
+ tape.recording = FALSE;
+ tape.playing = FALSE;
+ tape.pausing = FALSE;
+}
+
+static int LoadTape_VERS(FILE *file, int chunk_size, struct TapeInfo *tape)
+{
+ tape->file_version = getFileVersion(file);
+ tape->game_version = getFileVersion(file);
+
+ return chunk_size;
+}
+
+static int LoadTape_HEAD(FILE *file, int chunk_size, struct TapeInfo *tape)
+{
+ int i;
+
+ tape->random_seed = getFile32BitBE(file);
+ tape->date = getFile32BitBE(file);
+ tape->length = getFile32BitBE(file);
+
+ /* read header fields that are new since version 1.2 */
+ if (tape->file_version >= FILE_VERSION_1_2)
+ {
+ byte store_participating_players = getFile8Bit(file);
+ int engine_version;
+
+ /* 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++;
+ }
+ }
+
+ ReadUnusedBytesFromFile(file, TAPE_HEADER_UNUSED);
+
+ engine_version = getFileVersion(file);
+ if (engine_version > 0)
+ tape->engine_version = engine_version;
+ else
+ tape->engine_version = tape->game_version;
+ }
+
+ return chunk_size;
+}
+
+static int LoadTape_INFO(FILE *file, int chunk_size, struct TapeInfo *tape)
+{
+ int level_identifier_size;
+ int i;
+
+ level_identifier_size = getFile16BitBE(file);
+
+ tape->level_identifier =
+ checked_realloc(tape->level_identifier, level_identifier_size);
+
+ for(i=0; i < level_identifier_size; i++)
+ tape->level_identifier[i] = getFile8Bit(file);
+
+ tape->level_nr = getFile16BitBE(file);
+
+ chunk_size = 2 + level_identifier_size + 2;
+
+ return chunk_size;
+}
+
+static int LoadTape_BODY(FILE *file, int chunk_size, struct TapeInfo *tape)
+{
+ 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;
+ }
+
+ 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] = getFile8Bit(file);
+ }
+
+ tape->pos[i].delay = getFile8Bit(file);
+
+ 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)
+ {
+ /* convert pre-2.0 tapes to new tape format */
+
+ 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 LoadTapeFromFilename(char *filename)
+{
+ 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;
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (strcmp(chunk_name, "RND1") == 0)
+ {
+ getFile32BitBE(file); /* not used */
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (strcmp(chunk_name, "TAPE") != 0)
+ {
+ Error(ERR_WARN, "unknown format of tape file '%s'", filename);
+ fclose(file);
+ return;
+ }
+ }
+ else /* check for pre-2.0 file format with cookie string */
+ {
+ strcpy(cookie, chunk_name);
+ fgets(&cookie[4], MAX_LINE_LEN - 4, file);
+ if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+ cookie[strlen(cookie) - 1] = '\0';
+
+ if (!checkCookieString(cookie, TAPE_COOKIE_TMPL))
+ {
+ 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;
+ }
+
+ /* pre-2.0 tape files have no game version, so use file version here */
+ 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(file, TAPE_HEADER_SIZE, &tape);
+ LoadTape_BODY(file, 2 * tape.length, &tape);
+ }
+ else
+ {
+ static struct
+ {
+ char *name;
+ int size;
+ int (*loader)(FILE *, int, struct TapeInfo *);
+ }
+ chunk_info[] =
+ {
+ { "VERS", FILE_VERS_CHUNK_SIZE, LoadTape_VERS },
+ { "HEAD", TAPE_HEADER_SIZE, LoadTape_HEAD },
+ { "INFO", -1, LoadTape_INFO },
+ { "BODY", -1, LoadTape_BODY },
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunkBE(file, chunk_name, &chunk_size))
+ {
+ 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)(file, chunk_size, &tape);
+
+ /* 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();
+
+#if 0
+ printf("tape game version: %d\n", tape.game_version);
+ printf("tape engine version: %d\n", tape.engine_version);
+#endif
+}
+
+void LoadTape(int level_nr)
+{
+ char *filename = getTapeFilename(level_nr);
+
+ LoadTapeFromFilename(filename);
+}
+
+static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
+{
+ putFileVersion(file, tape->file_version);
+ putFileVersion(file, tape->game_version);
+}
+
+static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
+{
+ 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);
+
+ putFile32BitBE(file, tape->random_seed);
+ putFile32BitBE(file, tape->date);
+ putFile32BitBE(file, tape->length);
+
+ putFile8Bit(file, store_participating_players);
+
+ /* unused bytes not at the end here for 4-byte alignment of engine_version */
+ WriteUnusedBytesToFile(file, TAPE_HEADER_UNUSED);
+
+ putFileVersion(file, tape->engine_version);
+}
+
+static void SaveTape_INFO(FILE *file, struct TapeInfo *tape)
+{
+ int level_identifier_size = strlen(tape->level_identifier) + 1;
+ int i;
+
+ putFile16BitBE(file, level_identifier_size);
+
+ for(i=0; i < level_identifier_size; i++)
+ putFile8Bit(file, tape->level_identifier[i]);
+
+ putFile16BitBE(file, tape->level_nr);
+}
+
+static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
+{
+ int i, j;
+
+ for(i=0; i<tape->length; i++)
+ {
+ for(j=0; j<MAX_PLAYERS; j++)
+ if (tape->player_participates[j])
+ putFile8Bit(file, tape->pos[i].action[j]);
+
+ putFile8Bit(file, tape->pos[i].delay);
+ }
+}
+
+void SaveTape(int level_nr)
+{
+ char *filename = getTapeFilename(level_nr);
+ FILE *file;
+ boolean new_tape = TRUE;
+ int num_participating_players = 0;
+ int info_chunk_size;
+ int body_chunk_size;
+ int i;
+
+ 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;
+ }
+
+ tape.file_version = FILE_VERSION_ACTUAL;
+ tape.game_version = GAME_VERSION_ACTUAL;
+
+ /* count number of participating players */
+ for(i=0; i<MAX_PLAYERS; i++)
+ if (tape.player_participates[i])
+ num_participating_players++;
+
+ info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
+ body_chunk_size = (num_participating_players + 1) * tape.length;
+
+ putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
+ putFileChunkBE(file, "TAPE", CHUNK_SIZE_NONE);
+
+ putFileChunkBE(file, "VERS", FILE_VERS_CHUNK_SIZE);
+ SaveTape_VERS(file, &tape);
+
+ putFileChunkBE(file, "HEAD", TAPE_HEADER_SIZE);
+ SaveTape_HEAD(file, &tape);
+
+ putFileChunkBE(file, "INFO", info_chunk_size);
+ SaveTape_INFO(file, &tape);
+
+ putFileChunkBE(file, "BODY", body_chunk_size);
+ SaveTape_BODY(file, &tape);
+
+ fclose(file);
+
+ SetFilePermissions(filename, PERMS_PRIVATE);
+
+ tape.changed = FALSE;
+
+ if (new_tape)
+ Request("tape saved !", REQ_CONFIRM);
+}
+
+void DumpTape(struct TapeInfo *tape)
+{
+ int i, j;
+
+ if (TAPE_IS_EMPTY(*tape))
+ {
+ Error(ERR_WARN, "no tape available for level %d", tape->level_nr);
+ return;
+ }
+
+ printf_line("-", 79);
+ printf("Tape of Level %03d (file version %08d, game version %08d)\n",
+ tape->level_nr, tape->file_version, tape->game_version);
+ printf("Level series identifier: '%s'\n", tape->level_identifier);
+ printf_line("-", 79);
+
+ for(i=0; i<tape->length; i++)
+ {
+ if (i >= MAX_TAPELEN)
+ break;
+
+ printf("%03d: ", i);
+
+ for(j=0; j<MAX_PLAYERS; j++)
+ {
+ if (tape->player_participates[j])
+ {
+ int action = tape->pos[i].action[j];
+
+ printf("%d:%02x ", j, action);
+ printf("[%c%c%c%c|%c%c] - ",
+ (action & JOY_LEFT ? '<' : ' '),
+ (action & JOY_RIGHT ? '>' : ' '),
+ (action & JOY_UP ? '^' : ' '),
+ (action & JOY_DOWN ? 'v' : ' '),
+ (action & JOY_BUTTON_1 ? '1' : ' '),
+ (action & JOY_BUTTON_2 ? '2' : ' '));
+ }
+ }
+
+ printf("(%03d)\n", tape->pos[i].delay);
+ }
+
+ printf_line("-", 79);
+}
+
+
+/* ========================================================================= */
+/* score file functions */
+/* ========================================================================= */
+
+void LoadScore(int level_nr)
+{
+ int i;
+ char *filename = getScoreFilename(level_nr);
+ char cookie[MAX_LINE_LEN];
+ char line[MAX_LINE_LEN];
+ char *line_ptr;
+ FILE *file;
+
+ /* always start with reliable default values */
+ for(i=0; i<MAX_SCORE_ENTRIES; i++)
+ {
+ strcpy(highscore[i].Name, EMPTY_PLAYER_NAME);
+ highscore[i].Score = 0;
+ }
+
+ 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, SCORE_COOKIE))
+ {
+ Error(ERR_WARN, "unknown format of score file '%s'", filename);
+ fclose(file);
+ return;
+ }
+
+ for(i=0; i<MAX_SCORE_ENTRIES; i++)
+ {
+ fscanf(file, "%d", &highscore[i].Score);
+ fgets(line, MAX_LINE_LEN, file);
+
+ if (line[strlen(line) - 1] == '\n')
+ line[strlen(line) - 1] = '\0';
+
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ {
+ if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != '\0')
+ {
+ strncpy(highscore[i].Name, line_ptr, MAX_PLAYER_NAME_LEN);
+ highscore[i].Name[MAX_PLAYER_NAME_LEN] = '\0';
+ break;
+ }
+ }
+ }
+
+ fclose(file);
+}
+
+void SaveScore(int level_nr)
+{
+ int i;
+ char *filename = getScoreFilename(level_nr);
+ FILE *file;
+
+ InitScoreDirectory(leveldir_current->filename);
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot save score for level %d", level_nr);
+ return;
+ }
+
+ fprintf(file, "%s\n\n", SCORE_COOKIE);
+
+ for(i=0; i<MAX_SCORE_ENTRIES; i++)
+ fprintf(file, "%d %s\n", highscore[i].Score, highscore[i].Name);