+ for (i = 0; i < ei->num_change_pages; i++)
+ setElementChangeInfoToDefaults(&ei->change_page[i]);
+
+ // start with reading properties for the first change page
+ xx_current_change_page = 0;
+
+ while (!checkEndOfFile(file))
+ {
+ struct ElementChangeInfo *change = &ei->change_page[xx_current_change_page];
+
+ xx_change = *change; // copy change data into temporary buffer
+
+ resetEventBits(); // reset bits; change page might have changed
+
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_change,
+ -1, element);
+
+ *change = xx_change;
+
+ setEventFlagsFromEventBits(change);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ level->file_has_custom_elements = TRUE;
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_GRPX(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int element = getMappedElement(getFile16BitBE(file));
+ int real_chunk_size = 2;
+ struct ElementInfo *ei = &element_info[element];
+ struct ElementGroupInfo *group = ei->group;
+
+ xx_ei = *ei; // copy element data into temporary buffer
+ xx_group = *group; // copy group data into temporary buffer
+
+ while (!checkEndOfFile(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_GRPX,
+ -1, element);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *ei = xx_ei;
+ *group = xx_group;
+
+ level->file_has_custom_elements = TRUE;
+
+ return real_chunk_size;
+}
+
+static void LoadLevelFromFileInfo_RND(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ char *filename = level_file_info->filename;
+ char cookie[MAX_LINE_LEN];
+ char chunk_name[CHUNK_ID_LEN + 1];
+ int chunk_size;
+ File *file;
+
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+ level->no_level_file = TRUE;
+
+ if (level_info_only)
+ return;
+
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ if (!setup.editor.use_template_for_new_levels)
+ return;
+
+ // if level file not found, try to initialize level data from template
+ filename = getGlobalLevelTemplateFilename();
+
+ if (!(file = openFile(filename, MODE_READ)))
+ return;
+
+ // default: for empty levels, use level template for custom elements
+ level->use_custom_template = TRUE;
+
+ level->no_valid_file = FALSE;
+ }
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (strEqual(chunk_name, "RND1"))
+ {
+ getFile32BitBE(file); // not used
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (!strEqual(chunk_name, "CAVE"))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+ }
+ else // check for pre-2.0 file format with cookie string
+ {
+ strcpy(cookie, chunk_name);
+ if (getStringFromFile(file, &cookie[4], MAX_LINE_LEN - 4) == NULL)
+ cookie[4] = '\0';
+ if (strlen(cookie) > 0 && cookie[strlen(cookie) - 1] == '\n')
+ cookie[strlen(cookie) - 1] = '\0';
+
+ if (!checkCookieString(cookie, LEVEL_COOKIE_TMPL))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of level file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+
+ if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unsupported version of level file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+
+ // pre-2.0 level files have no game version, so use file version here
+ level->game_version = level->file_version;
+ }
+
+ if (level->file_version < FILE_VERSION_1_2)
+ {
+ // level files from versions before 1.2.0 without chunk structure
+ LoadLevel_HEAD(file, LEVEL_CHUNK_HEAD_SIZE, level);
+ LoadLevel_BODY(file, level->fieldx * level->fieldy, level);
+ }
+ else
+ {
+ static struct
+ {
+ char *name;
+ int size;
+ int (*loader)(File *, int, struct LevelInfo *);
+ }
+ chunk_info[] =
+ {
+ { "VERS", LEVEL_CHUNK_VERS_SIZE, LoadLevel_VERS },
+ { "DATE", LEVEL_CHUNK_DATE_SIZE, LoadLevel_DATE },
+ { "HEAD", LEVEL_CHUNK_HEAD_SIZE, LoadLevel_HEAD },
+ { "NAME", LEVEL_CHUNK_NAME_SIZE, LoadLevel_NAME },
+ { "AUTH", LEVEL_CHUNK_AUTH_SIZE, LoadLevel_AUTH },
+ { "INFO", -1, LoadLevel_INFO },
+ { "BODY", -1, LoadLevel_BODY },
+ { "CONT", -1, LoadLevel_CONT },
+ { "CNT2", LEVEL_CHUNK_CNT2_SIZE, LoadLevel_CNT2 },
+ { "CNT3", -1, LoadLevel_CNT3 },
+ { "CUS1", -1, LoadLevel_CUS1 },
+ { "CUS2", -1, LoadLevel_CUS2 },
+ { "CUS3", -1, LoadLevel_CUS3 },
+ { "CUS4", -1, LoadLevel_CUS4 },
+ { "GRP1", -1, LoadLevel_GRP1 },
+ { "CONF", -1, LoadLevel_CONF },
+ { "ELEM", -1, LoadLevel_ELEM },
+ { "NOTE", -1, LoadLevel_NOTE },
+ { "CUSX", -1, LoadLevel_CUSX },
+ { "GRPX", -1, LoadLevel_GRPX },
+
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunkBE(file, chunk_name, &chunk_size))
+ {
+ int i = 0;
+
+ while (chunk_info[i].name != NULL &&
+ !strEqual(chunk_name, chunk_info[i].name))
+ i++;
+
+ if (chunk_info[i].name == NULL)
+ {
+ Error(ERR_WARN, "unknown chunk '%s' in level 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 level file '%s'",
+ chunk_size, chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else
+ {
+ // call function to load this level chunk
+ int chunk_size_expected =
+ (chunk_info[i].loader)(file, chunk_size, level);
+
+ // 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 level file '%s'",
+ chunk_size, chunk_name, filename);
+ }
+ }
+ }
+ }
+
+ closeFile(file);
+}
+
+
+// ----------------------------------------------------------------------------
+// functions for loading EM level
+// ----------------------------------------------------------------------------
+
+static void CopyNativeLevel_RND_to_EM(struct LevelInfo *level)
+{
+ static int ball_xy[8][2] =
+ {
+ { 0, 0 },
+ { 1, 0 },
+ { 2, 0 },
+ { 0, 1 },
+ { 2, 1 },
+ { 0, 2 },
+ { 1, 2 },
+ { 2, 2 },
+ };
+ struct LevelInfo_EM *level_em = level->native_em_level;
+ struct LEVEL *lev = level_em->lev;
+ struct PLAYER **ply = level_em->ply;
+ int i, j, x, y;
+
+ lev->width = MIN(level->fieldx, EM_MAX_CAVE_WIDTH);
+ lev->height = MIN(level->fieldy, EM_MAX_CAVE_HEIGHT);
+
+ lev->time_seconds = level->time;
+ lev->required_initial = level->gems_needed;
+
+ lev->emerald_score = level->score[SC_EMERALD];
+ lev->diamond_score = level->score[SC_DIAMOND];
+ lev->alien_score = level->score[SC_ROBOT];
+ lev->tank_score = level->score[SC_SPACESHIP];
+ lev->bug_score = level->score[SC_BUG];
+ lev->eater_score = level->score[SC_YAMYAM];
+ lev->nut_score = level->score[SC_NUT];
+ lev->dynamite_score = level->score[SC_DYNAMITE];
+ lev->key_score = level->score[SC_KEY];
+ lev->exit_score = level->score[SC_TIME_BONUS];
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ lev->eater_array[i][y * 3 + x] =
+ map_element_RND_to_EM(level->yamyam_content[i].e[x][y]);
+
+ lev->amoeba_time = level->amoeba_speed;
+ lev->wonderwall_time_initial = level->time_magic_wall;
+ lev->wheel_time = level->time_wheel;
+
+ lev->android_move_time = level->android_move_time;
+ lev->android_clone_time = level->android_clone_time;
+ lev->ball_random = level->ball_random;
+ lev->ball_state_initial = level->ball_state_initial;
+ lev->ball_time = level->ball_time;
+ lev->num_ball_arrays = level->num_ball_contents;
+
+ lev->lenses_score = level->lenses_score;
+ lev->magnify_score = level->magnify_score;
+ lev->slurp_score = level->slurp_score;
+
+ lev->lenses_time = level->lenses_time;
+ lev->magnify_time = level->magnify_time;
+
+ lev->wind_direction_initial =
+ map_direction_RND_to_EM(level->wind_direction_initial);
+ lev->wind_cnt_initial = (level->wind_direction_initial != MV_NONE ?
+ lev->wind_time : 0);
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (j = 0; j < 8; j++)
+ lev->ball_array[i][j] =
+ map_element_RND_to_EM(level->
+ ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]]);
+
+ map_android_clone_elements_RND_to_EM(level);
+
+ // first fill the complete playfield with the default border element
+ for (y = 0; y < EM_MAX_CAVE_HEIGHT; y++)
+ for (x = 0; x < EM_MAX_CAVE_WIDTH; x++)
+ level_em->cave[x][y] = ZBORDER;
+
+ if (BorderElement == EL_STEELWALL)
+ {
+ for (y = 0; y < lev->height + 2; y++)
+ for (x = 0; x < lev->width + 2; x++)
+ level_em->cave[x + 1][y + 1] = map_element_RND_to_EM(EL_STEELWALL);
+ }
+
+ // then copy the real level contents from level file into the playfield
+ for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
+ {
+ int new_element = map_element_RND_to_EM(level->field[x][y]);
+ int offset = (BorderElement == EL_STEELWALL ? 1 : 0);
+ int xx = x + 1 + offset;
+ int yy = y + 1 + offset;
+
+ if (level->field[x][y] == EL_AMOEBA_DEAD)
+ new_element = map_element_RND_to_EM(EL_AMOEBA_WET);
+
+ level_em->cave[xx][yy] = new_element;
+ }
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ ply[i]->x_initial = 0;
+ ply[i]->y_initial = 0;
+ }
+
+ // initialize player positions and delete players from the playfield
+ for (y = 0; y < lev->height; y++) for (x = 0; x < lev->width; x++)
+ {
+ if (ELEM_IS_PLAYER(level->field[x][y]))
+ {
+ int player_nr = GET_PLAYER_NR(level->field[x][y]);
+ int offset = (BorderElement == EL_STEELWALL ? 1 : 0);
+ int xx = x + 1 + offset;
+ int yy = y + 1 + offset;
+
+ ply[player_nr]->x_initial = xx;
+ ply[player_nr]->y_initial = yy;
+
+ level_em->cave[xx][yy] = map_element_RND_to_EM(EL_EMPTY);
+ }
+ }
+
+ if (BorderElement == EL_STEELWALL)
+ {
+ lev->width += 2;
+ lev->height += 2;
+ }
+}
+
+static void CopyNativeLevel_EM_to_RND(struct LevelInfo *level)
+{
+ static int ball_xy[8][2] =
+ {
+ { 0, 0 },
+ { 1, 0 },
+ { 2, 0 },
+ { 0, 1 },
+ { 2, 1 },
+ { 0, 2 },
+ { 1, 2 },
+ { 2, 2 },
+ };
+ struct LevelInfo_EM *level_em = level->native_em_level;
+ struct LEVEL *lev = level_em->lev;
+ struct PLAYER **ply = level_em->ply;
+ int i, j, x, y;
+
+ level->fieldx = MIN(lev->width, MAX_LEV_FIELDX);
+ level->fieldy = MIN(lev->height, MAX_LEV_FIELDY);
+
+ level->time = lev->time_seconds;
+ level->gems_needed = lev->required_initial;
+
+ sprintf(level->name, "Level %d", level->file_info.nr);
+
+ level->score[SC_EMERALD] = lev->emerald_score;
+ level->score[SC_DIAMOND] = lev->diamond_score;
+ level->score[SC_ROBOT] = lev->alien_score;
+ level->score[SC_SPACESHIP] = lev->tank_score;
+ level->score[SC_BUG] = lev->bug_score;
+ level->score[SC_YAMYAM] = lev->eater_score;
+ level->score[SC_NUT] = lev->nut_score;
+ level->score[SC_DYNAMITE] = lev->dynamite_score;
+ level->score[SC_KEY] = lev->key_score;
+ level->score[SC_TIME_BONUS] = lev->exit_score;
+
+ level->num_yamyam_contents = MAX_ELEMENT_CONTENTS;
+
+ for (i = 0; i < level->num_yamyam_contents; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i].e[x][y] =
+ map_element_EM_to_RND(lev->eater_array[i][y * 3 + x]);
+
+ level->amoeba_speed = lev->amoeba_time;
+ level->time_magic_wall = lev->wonderwall_time_initial;
+ level->time_wheel = lev->wheel_time;
+
+ level->android_move_time = lev->android_move_time;
+ level->android_clone_time = lev->android_clone_time;
+ level->ball_random = lev->ball_random;
+ level->ball_state_initial = lev->ball_state_initial;
+ level->ball_time = lev->ball_time;
+ level->num_ball_contents = lev->num_ball_arrays;
+
+ level->lenses_score = lev->lenses_score;
+ level->magnify_score = lev->magnify_score;
+ level->slurp_score = lev->slurp_score;
+
+ level->lenses_time = lev->lenses_time;
+ level->magnify_time = lev->magnify_time;
+
+ level->wind_direction_initial =
+ map_direction_EM_to_RND(lev->wind_direction_initial);
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (j = 0; j < 8; j++)
+ level->ball_content[i].e[ball_xy[j][0]][ball_xy[j][1]] =
+ map_element_EM_to_RND(lev->ball_array[i][j]);
+
+ map_android_clone_elements_EM_to_RND(level);
+
+ // convert the playfield (some elements need special treatment)
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ {
+ int new_element = map_element_EM_to_RND(level_em->cave[x + 1][y + 1]);
+
+ if (new_element == EL_AMOEBA_WET && level->amoeba_speed == 0)
+ new_element = EL_AMOEBA_DEAD;
+
+ level->field[x][y] = new_element;
+ }
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ // in case of all players set to the same field, use the first player
+ int nr = MAX_PLAYERS - i - 1;
+ int jx = ply[nr]->x_initial - 1;
+ int jy = ply[nr]->y_initial - 1;
+
+ if (jx != -1 && jy != -1)
+ level->field[jx][jy] = EL_PLAYER_1 + nr;
+ }
+}
+
+
+// ----------------------------------------------------------------------------
+// functions for loading SP level
+// ----------------------------------------------------------------------------
+
+static void CopyNativeLevel_RND_to_SP(struct LevelInfo *level)
+{
+ struct LevelInfo_SP *level_sp = level->native_sp_level;
+ LevelInfoType *header = &level_sp->header;
+ int i, x, y;
+
+ level_sp->width = level->fieldx;
+ level_sp->height = level->fieldy;
+
+ for (x = 0; x < level->fieldx; x++)
+ for (y = 0; y < level->fieldy; y++)
+ level_sp->playfield[x][y] = map_element_RND_to_SP(level->field[x][y]);
+
+ header->InitialGravity = (level->initial_player_gravity[0] ? 1 : 0);
+
+ for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
+ header->LevelTitle[i] = level->name[i];
+ // !!! NO STRING TERMINATION IN SUPAPLEX VB CODE YET -- FIX THIS !!!
+
+ header->InfotronsNeeded = level->gems_needed;
+
+ header->SpecialPortCount = 0;
+
+ for (x = 0; x < level->fieldx; x++) for (y = 0; y < level->fieldy; y++)
+ {
+ boolean gravity_port_found = FALSE;
+ boolean gravity_port_valid = FALSE;
+ int gravity_port_flag;
+ int gravity_port_base_element;
+ int element = level->field[x][y];
+
+ if (element >= EL_SP_GRAVITY_ON_PORT_RIGHT &&
+ element <= EL_SP_GRAVITY_ON_PORT_UP)
+ {
+ gravity_port_found = TRUE;
+ gravity_port_valid = TRUE;
+ gravity_port_flag = 1;
+ gravity_port_base_element = EL_SP_GRAVITY_ON_PORT_RIGHT;
+ }
+ else if (element >= EL_SP_GRAVITY_OFF_PORT_RIGHT &&
+ element <= EL_SP_GRAVITY_OFF_PORT_UP)
+ {
+ gravity_port_found = TRUE;
+ gravity_port_valid = TRUE;
+ gravity_port_flag = 0;
+ gravity_port_base_element = EL_SP_GRAVITY_OFF_PORT_RIGHT;
+ }
+ else if (element >= EL_SP_GRAVITY_PORT_RIGHT &&
+ element <= EL_SP_GRAVITY_PORT_UP)
+ {
+ // change R'n'D style gravity inverting special port to normal port
+ // (there are no gravity inverting ports in native Supaplex engine)
+
+ gravity_port_found = TRUE;
+ gravity_port_valid = FALSE;
+ gravity_port_base_element = EL_SP_GRAVITY_PORT_RIGHT;
+ }
+
+ if (gravity_port_found)
+ {
+ if (gravity_port_valid &&
+ header->SpecialPortCount < SP_MAX_SPECIAL_PORTS)
+ {
+ SpecialPortType *port = &header->SpecialPort[header->SpecialPortCount];
+
+ port->PortLocation = (y * level->fieldx + x) * 2;
+ port->Gravity = gravity_port_flag;
+
+ element += EL_SP_GRAVITY_PORT_RIGHT - gravity_port_base_element;
+
+ header->SpecialPortCount++;
+ }
+ else
+ {
+ // change special gravity port to normal port
+
+ element += EL_SP_PORT_RIGHT - gravity_port_base_element;
+ }
+
+ level_sp->playfield[x][y] = element - EL_SP_START;
+ }
+ }
+}
+
+static void CopyNativeLevel_SP_to_RND(struct LevelInfo *level)
+{
+ struct LevelInfo_SP *level_sp = level->native_sp_level;
+ LevelInfoType *header = &level_sp->header;
+ boolean num_invalid_elements = 0;
+ int i, j, x, y;
+
+ level->fieldx = level_sp->width;
+ level->fieldy = level_sp->height;
+
+ for (x = 0; x < level->fieldx; x++)
+ {
+ for (y = 0; y < level->fieldy; y++)
+ {
+ int element_old = level_sp->playfield[x][y];
+ int element_new = getMappedElement(map_element_SP_to_RND(element_old));
+
+ if (element_new == EL_UNKNOWN)
+ {
+ num_invalid_elements++;
+
+ Error(ERR_DEBUG, "invalid element %d at position %d, %d",
+ element_old, x, y);
+ }
+
+ level->field[x][y] = element_new;
+ }
+ }
+
+ if (num_invalid_elements > 0)
+ Error(ERR_WARN, "found %d invalid elements%s", num_invalid_elements,
+ (!options.debug ? " (use '--debug' for more details)" : ""));
+
+ for (i = 0; i < MAX_PLAYERS; i++)
+ level->initial_player_gravity[i] =
+ (header->InitialGravity == 1 ? TRUE : FALSE);
+
+ // skip leading spaces
+ for (i = 0; i < SP_LEVEL_NAME_LEN; i++)
+ if (header->LevelTitle[i] != ' ')
+ break;
+
+ // copy level title
+ for (j = 0; i < SP_LEVEL_NAME_LEN; i++, j++)
+ level->name[j] = header->LevelTitle[i];
+ level->name[j] = '\0';
+
+ // cut trailing spaces
+ for (; j > 0; j--)
+ if (level->name[j - 1] == ' ' && level->name[j] == '\0')
+ level->name[j - 1] = '\0';
+
+ level->gems_needed = header->InfotronsNeeded;
+
+ for (i = 0; i < header->SpecialPortCount; i++)
+ {
+ SpecialPortType *port = &header->SpecialPort[i];
+ int port_location = port->PortLocation;
+ int gravity = port->Gravity;
+ int port_x, port_y, port_element;
+
+ port_x = (port_location / 2) % level->fieldx;
+ port_y = (port_location / 2) / level->fieldx;
+
+ if (port_x < 0 || port_x >= level->fieldx ||
+ port_y < 0 || port_y >= level->fieldy)
+ {
+ Error(ERR_WARN, "special port position (%d, %d) out of bounds",
+ port_x, port_y);
+
+ continue;
+ }
+
+ port_element = level->field[port_x][port_y];
+
+ if (port_element < EL_SP_GRAVITY_PORT_RIGHT ||
+ port_element > EL_SP_GRAVITY_PORT_UP)
+ {
+ Error(ERR_WARN, "no special port at position (%d, %d)", port_x, port_y);
+
+ continue;
+ }
+
+ // change previous (wrong) gravity inverting special port to either
+ // gravity enabling special port or gravity disabling special port
+ level->field[port_x][port_y] +=
+ (gravity == 1 ? EL_SP_GRAVITY_ON_PORT_RIGHT :
+ EL_SP_GRAVITY_OFF_PORT_RIGHT) - EL_SP_GRAVITY_PORT_RIGHT;
+ }
+
+ // change special gravity ports without database entries to normal ports
+ for (x = 0; x < level->fieldx; x++)
+ for (y = 0; y < level->fieldy; y++)
+ if (level->field[x][y] >= EL_SP_GRAVITY_PORT_RIGHT &&
+ level->field[x][y] <= EL_SP_GRAVITY_PORT_UP)
+ level->field[x][y] += EL_SP_PORT_RIGHT - EL_SP_GRAVITY_PORT_RIGHT;
+
+ level->time = 0; // no time limit
+ level->amoeba_speed = 0;
+ level->time_magic_wall = 0;
+ level->time_wheel = 0;
+ level->amoeba_content = EL_EMPTY;
+
+#if 1
+ // original Supaplex does not use score values -- use default values
+#else
+ for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
+ level->score[i] = 0;
+#endif
+
+ // there are no yamyams in supaplex levels
+ for (i = 0; i < level->num_yamyam_contents; i++)
+ for (x = 0; x < 3; x++)
+ for (y = 0; y < 3; y++)
+ level->yamyam_content[i].e[x][y] = EL_EMPTY;
+}
+
+static void CopyNativeTape_RND_to_SP(struct LevelInfo *level)
+{
+ struct LevelInfo_SP *level_sp = level->native_sp_level;
+ struct DemoInfo_SP *demo = &level_sp->demo;
+ int i, j;
+
+ // always start with reliable default values
+ demo->is_available = FALSE;
+ demo->length = 0;
+
+ if (TAPE_IS_EMPTY(tape))
+ return;
+
+ demo->level_nr = tape.level_nr; // (currently not used)
+
+ level_sp->header.DemoRandomSeed = tape.random_seed;
+
+ demo->length = 0;
+
+ for (i = 0; i < tape.length; i++)
+ {
+ int demo_action = map_key_RND_to_SP(tape.pos[i].action[0]);
+ int demo_repeat = tape.pos[i].delay;
+ int demo_entries = (demo_repeat + 15) / 16;
+
+ if (demo->length + demo_entries >= SP_MAX_TAPE_LEN)
+ {
+ Error(ERR_WARN, "tape truncated: size exceeds maximum SP demo size %d",
+ SP_MAX_TAPE_LEN);
+
+ break;
+ }
+
+ for (j = 0; j < demo_repeat / 16; j++)
+ demo->data[demo->length++] = 0xf0 | demo_action;
+
+ if (demo_repeat % 16)
+ demo->data[demo->length++] = ((demo_repeat % 16 - 1) << 4) | demo_action;
+ }
+
+ demo->is_available = TRUE;
+}
+
+static void setTapeInfoToDefaults(void);
+
+static void CopyNativeTape_SP_to_RND(struct LevelInfo *level)
+{
+ struct LevelInfo_SP *level_sp = level->native_sp_level;
+ struct DemoInfo_SP *demo = &level_sp->demo;
+ char *filename = level->file_info.filename;
+ int i;
+
+ // always start with reliable default values
+ setTapeInfoToDefaults();
+
+ if (!demo->is_available)
+ return;
+
+ tape.level_nr = demo->level_nr; // (currently not used)
+ tape.random_seed = level_sp->header.DemoRandomSeed;
+
+ TapeSetDateFromEpochSeconds(getFileTimestampEpochSeconds(filename));
+
+ tape.counter = 0;
+ tape.pos[tape.counter].delay = 0;
+
+ for (i = 0; i < demo->length; i++)
+ {
+ int demo_action = demo->data[i] & 0x0f;
+ int demo_repeat = (demo->data[i] & 0xf0) >> 4;
+ int tape_action = map_key_SP_to_RND(demo_action);
+ int tape_repeat = demo_repeat + 1;
+ byte action[MAX_PLAYERS] = { tape_action, 0, 0, 0 };
+ boolean success = 0;
+ int j;
+
+ for (j = 0; j < tape_repeat; j++)
+ success = TapeAddAction(action);
+
+ if (!success)
+ {
+ Error(ERR_WARN, "SP demo truncated: size exceeds maximum tape size %d",
+ MAX_TAPE_LEN);
+
+ break;
+ }
+ }
+
+ TapeHaltRecording();
+}
+
+
+// ----------------------------------------------------------------------------
+// functions for loading MM level
+// ----------------------------------------------------------------------------
+
+static void CopyNativeLevel_RND_to_MM(struct LevelInfo *level)
+{
+ struct LevelInfo_MM *level_mm = level->native_mm_level;
+ int x, y;
+
+ level_mm->fieldx = MIN(level->fieldx, MM_MAX_PLAYFIELD_WIDTH);
+ level_mm->fieldy = MIN(level->fieldy, MM_MAX_PLAYFIELD_HEIGHT);
+
+ level_mm->time = level->time;
+ level_mm->kettles_needed = level->gems_needed;
+ level_mm->auto_count_kettles = level->auto_count_gems;
+
+ level_mm->laser_red = level->mm_laser_red;
+ level_mm->laser_green = level->mm_laser_green;
+ level_mm->laser_blue = level->mm_laser_blue;
+
+ strcpy(level_mm->name, level->name);
+ strcpy(level_mm->author, level->author);
+
+ level_mm->score[SC_EMERALD] = level->score[SC_EMERALD];
+ level_mm->score[SC_PACMAN] = level->score[SC_PACMAN];
+ level_mm->score[SC_KEY] = level->score[SC_KEY];
+ level_mm->score[SC_TIME_BONUS] = level->score[SC_TIME_BONUS];
+ level_mm->score[SC_ELEM_BONUS] = level->score[SC_ELEM_BONUS];
+
+ level_mm->amoeba_speed = level->amoeba_speed;
+ level_mm->time_fuse = level->mm_time_fuse;
+ level_mm->time_bomb = level->mm_time_bomb;
+ level_mm->time_ball = level->mm_time_ball;
+ level_mm->time_block = level->mm_time_block;
+
+ for (x = 0; x < level->fieldx; x++)
+ for (y = 0; y < level->fieldy; y++)
+ Ur[x][y] =
+ level_mm->field[x][y] = map_element_RND_to_MM(level->field[x][y]);
+}
+
+static void CopyNativeLevel_MM_to_RND(struct LevelInfo *level)
+{
+ struct LevelInfo_MM *level_mm = level->native_mm_level;
+ int x, y;
+
+ level->fieldx = MIN(level_mm->fieldx, MAX_LEV_FIELDX);
+ level->fieldy = MIN(level_mm->fieldy, MAX_LEV_FIELDY);
+
+ level->time = level_mm->time;
+ level->gems_needed = level_mm->kettles_needed;
+ level->auto_count_gems = level_mm->auto_count_kettles;
+
+ level->mm_laser_red = level_mm->laser_red;
+ level->mm_laser_green = level_mm->laser_green;
+ level->mm_laser_blue = level_mm->laser_blue;
+
+ strcpy(level->name, level_mm->name);
+
+ // only overwrite author from 'levelinfo.conf' if author defined in level
+ if (!strEqual(level_mm->author, ANONYMOUS_NAME))
+ strcpy(level->author, level_mm->author);
+
+ level->score[SC_EMERALD] = level_mm->score[SC_EMERALD];
+ level->score[SC_PACMAN] = level_mm->score[SC_PACMAN];
+ level->score[SC_KEY] = level_mm->score[SC_KEY];
+ level->score[SC_TIME_BONUS] = level_mm->score[SC_TIME_BONUS];
+ level->score[SC_ELEM_BONUS] = level_mm->score[SC_ELEM_BONUS];
+
+ level->amoeba_speed = level_mm->amoeba_speed;
+ level->mm_time_fuse = level_mm->time_fuse;
+ level->mm_time_bomb = level_mm->time_bomb;
+ level->mm_time_ball = level_mm->time_ball;
+ level->mm_time_block = level_mm->time_block;
+
+ for (x = 0; x < level->fieldx; x++)
+ for (y = 0; y < level->fieldy; y++)
+ level->field[x][y] = map_element_MM_to_RND(level_mm->field[x][y]);
+}
+
+
+// ----------------------------------------------------------------------------
+// functions for loading DC level
+// ----------------------------------------------------------------------------
+
+#define DC_LEVEL_HEADER_SIZE 344
+
+static unsigned short getDecodedWord_DC(unsigned short data_encoded,
+ boolean init)
+{
+ static int last_data_encoded;
+ static int offset1;
+ static int offset2;
+ int diff;
+ int diff_hi, diff_lo;
+ int data_hi, data_lo;
+ unsigned short data_decoded;
+
+ if (init)
+ {
+ last_data_encoded = 0;
+ offset1 = -1;
+ offset2 = 0;
+
+ return 0;
+ }
+
+ diff = data_encoded - last_data_encoded;
+ diff_hi = diff & ~0xff;
+ diff_lo = diff & 0xff;
+
+ offset2 += diff_lo;
+
+ data_hi = diff_hi - (offset1 << 8) + (offset2 & 0xff00);
+ data_lo = (diff_lo + (data_hi >> 16)) & 0x00ff;
+ data_hi = data_hi & 0xff00;
+
+ data_decoded = data_hi | data_lo;
+
+ last_data_encoded = data_encoded;
+
+ offset1 = (offset1 + 1) % 31;
+ offset2 = offset2 & 0xff;
+
+ return data_decoded;
+}
+
+static int getMappedElement_DC(int element)
+{
+ switch (element)
+ {
+ case 0x0000:
+ element = EL_ROCK;
+ break;
+
+ // 0x0117 - 0x036e: (?)
+ // EL_DIAMOND
+
+ // 0x042d - 0x0684: (?)
+ // EL_EMERALD
+
+ case 0x06f1:
+ element = EL_NUT;
+ break;
+
+ case 0x074c:
+ element = EL_BOMB;
+ break;
+
+ case 0x07a4:
+ element = EL_PEARL;
+ break;
+
+ case 0x0823:
+ element = EL_CRYSTAL;
+ break;
+
+ case 0x0e77: // quicksand (boulder)
+ element = EL_QUICKSAND_FAST_FULL;
+ break;
+
+ case 0x0e99: // slow quicksand (boulder)
+ element = EL_QUICKSAND_FULL;
+ break;
+
+ case 0x0ed2:
+ element = EL_EM_EXIT_OPEN;
+ break;
+
+ case 0x0ee3:
+ element = EL_EM_EXIT_CLOSED;
+ break;
+
+ case 0x0eeb:
+ element = EL_EM_STEEL_EXIT_OPEN;
+ break;
+
+ case 0x0efc:
+ element = EL_EM_STEEL_EXIT_CLOSED;
+ break;
+
+ case 0x0f4f: // dynamite (lit 1)
+ element = EL_EM_DYNAMITE_ACTIVE;
+ break;
+
+ case 0x0f57: // dynamite (lit 2)
+ element = EL_EM_DYNAMITE_ACTIVE;
+ break;
+
+ case 0x0f5f: // dynamite (lit 3)
+ element = EL_EM_DYNAMITE_ACTIVE;
+ break;
+
+ case 0x0f67: // dynamite (lit 4)
+ element = EL_EM_DYNAMITE_ACTIVE;
+ break;
+
+ case 0x0f81:
+ case 0x0f82:
+ case 0x0f83:
+ case 0x0f84:
+ element = EL_AMOEBA_WET;
+ break;
+
+ case 0x0f85:
+ element = EL_AMOEBA_DROP;
+ break;
+
+ case 0x0fb9:
+ element = EL_DC_MAGIC_WALL;
+ break;
+
+ case 0x0fd0:
+ element = EL_SPACESHIP_UP;
+ break;
+
+ case 0x0fd9:
+ element = EL_SPACESHIP_DOWN;
+ break;
+
+ case 0x0ff1:
+ element = EL_SPACESHIP_LEFT;
+ break;
+
+ case 0x0ff9:
+ element = EL_SPACESHIP_RIGHT;
+ break;
+
+ case 0x1057:
+ element = EL_BUG_UP;
+ break;
+
+ case 0x1060:
+ element = EL_BUG_DOWN;
+ break;
+
+ case 0x1078:
+ element = EL_BUG_LEFT;
+ break;
+
+ case 0x1080:
+ element = EL_BUG_RIGHT;
+ break;
+
+ case 0x10de:
+ element = EL_MOLE_UP;
+ break;
+
+ case 0x10e7:
+ element = EL_MOLE_DOWN;
+ break;
+
+ case 0x10ff:
+ element = EL_MOLE_LEFT;
+ break;
+
+ case 0x1107:
+ element = EL_MOLE_RIGHT;
+ break;
+
+ case 0x11c0:
+ element = EL_ROBOT;
+ break;
+
+ case 0x13f5:
+ element = EL_YAMYAM;
+ break;
+
+ case 0x1425:
+ element = EL_SWITCHGATE_OPEN;
+ break;
+
+ case 0x1426:
+ element = EL_SWITCHGATE_CLOSED;
+ break;
+
+ case 0x1437:
+ element = EL_DC_SWITCHGATE_SWITCH_UP;
+ break;
+
+ case 0x143a:
+ element = EL_TIMEGATE_CLOSED;
+ break;
+
+ case 0x144c: // conveyor belt switch (green)
+ element = EL_CONVEYOR_BELT_3_SWITCH_MIDDLE;
+ break;
+
+ case 0x144f: // conveyor belt switch (red)
+ element = EL_CONVEYOR_BELT_1_SWITCH_MIDDLE;
+ break;
+
+ case 0x1452: // conveyor belt switch (blue)
+ element = EL_CONVEYOR_BELT_4_SWITCH_MIDDLE;
+ break;
+
+ case 0x145b:
+ element = EL_CONVEYOR_BELT_3_MIDDLE;
+ break;
+
+ case 0x1463:
+ element = EL_CONVEYOR_BELT_3_LEFT;
+ break;
+
+ case 0x146b:
+ element = EL_CONVEYOR_BELT_3_RIGHT;
+ break;
+
+ case 0x1473:
+ element = EL_CONVEYOR_BELT_1_MIDDLE;
+ break;
+
+ case 0x147b:
+ element = EL_CONVEYOR_BELT_1_LEFT;
+ break;
+
+ case 0x1483:
+ element = EL_CONVEYOR_BELT_1_RIGHT;
+ break;
+
+ case 0x148b:
+ element = EL_CONVEYOR_BELT_4_MIDDLE;
+ break;
+
+ case 0x1493:
+ element = EL_CONVEYOR_BELT_4_LEFT;
+ break;
+
+ case 0x149b:
+ element = EL_CONVEYOR_BELT_4_RIGHT;
+ break;
+
+ case 0x14ac:
+ element = EL_EXPANDABLE_WALL_HORIZONTAL;
+ break;
+
+ case 0x14bd:
+ element = EL_EXPANDABLE_WALL_VERTICAL;
+ break;
+
+ case 0x14c6:
+ element = EL_EXPANDABLE_WALL_ANY;
+ break;
+
+ case 0x14ce: // growing steel wall (left/right)
+ element = EL_EXPANDABLE_STEELWALL_HORIZONTAL;
+ break;
+
+ case 0x14df: // growing steel wall (up/down)
+ element = EL_EXPANDABLE_STEELWALL_VERTICAL;
+ break;
+
+ case 0x14e8: // growing steel wall (up/down/left/right)
+ element = EL_EXPANDABLE_STEELWALL_ANY;
+ break;
+
+ case 0x14e9:
+ element = EL_SHIELD_DEADLY;
+ break;
+
+ case 0x1501:
+ element = EL_EXTRA_TIME;
+ break;
+
+ case 0x154f:
+ element = EL_ACID;
+ break;
+
+ case 0x1577:
+ element = EL_EMPTY_SPACE;
+ break;
+
+ case 0x1578: // quicksand (empty)
+ element = EL_QUICKSAND_FAST_EMPTY;
+ break;
+
+ case 0x1579: // slow quicksand (empty)
+ element = EL_QUICKSAND_EMPTY;
+ break;
+
+ // 0x157c - 0x158b:
+ // EL_SAND
+
+ // 0x1590 - 0x159f:
+ // EL_DC_LANDMINE
+
+ case 0x15a0:
+ element = EL_EM_DYNAMITE;
+ break;
+
+ case 0x15a1: // key (red)
+ element = EL_EM_KEY_1;
+ break;
+
+ case 0x15a2: // key (yellow)
+ element = EL_EM_KEY_2;
+ break;
+
+ case 0x15a3: // key (blue)
+ element = EL_EM_KEY_4;
+ break;
+
+ case 0x15a4: // key (green)
+ element = EL_EM_KEY_3;
+ break;
+
+ case 0x15a5: // key (white)
+ element = EL_DC_KEY_WHITE;
+ break;
+
+ case 0x15a6:
+ element = EL_WALL_SLIPPERY;
+ break;
+
+ case 0x15a7:
+ element = EL_WALL;
+ break;
+
+ case 0x15a8: // wall (not round)
+ element = EL_WALL;
+ break;
+
+ case 0x15a9: // (blue)
+ element = EL_CHAR_A;
+ break;
+
+ case 0x15aa: // (blue)
+ element = EL_CHAR_B;
+ break;
+
+ case 0x15ab: // (blue)
+ element = EL_CHAR_C;
+ break;
+
+ case 0x15ac: // (blue)
+ element = EL_CHAR_D;
+ break;
+
+ case 0x15ad: // (blue)
+ element = EL_CHAR_E;
+ break;
+
+ case 0x15ae: // (blue)
+ element = EL_CHAR_F;
+ break;
+
+ case 0x15af: // (blue)
+ element = EL_CHAR_G;
+ break;
+
+ case 0x15b0: // (blue)
+ element = EL_CHAR_H;
+ break;
+
+ case 0x15b1: // (blue)
+ element = EL_CHAR_I;
+ break;
+
+ case 0x15b2: // (blue)
+ element = EL_CHAR_J;
+ break;
+
+ case 0x15b3: // (blue)
+ element = EL_CHAR_K;
+ break;
+
+ case 0x15b4: // (blue)
+ element = EL_CHAR_L;
+ break;
+
+ case 0x15b5: // (blue)
+ element = EL_CHAR_M;
+ break;
+
+ case 0x15b6: // (blue)
+ element = EL_CHAR_N;
+ break;
+
+ case 0x15b7: // (blue)
+ element = EL_CHAR_O;
+ break;
+
+ case 0x15b8: // (blue)
+ element = EL_CHAR_P;
+ break;
+
+ case 0x15b9: // (blue)
+ element = EL_CHAR_Q;
+ break;
+
+ case 0x15ba: // (blue)
+ element = EL_CHAR_R;
+ break;
+
+ case 0x15bb: // (blue)
+ element = EL_CHAR_S;
+ break;
+
+ case 0x15bc: // (blue)
+ element = EL_CHAR_T;
+ break;
+
+ case 0x15bd: // (blue)
+ element = EL_CHAR_U;
+ break;
+
+ case 0x15be: // (blue)
+ element = EL_CHAR_V;
+ break;
+
+ case 0x15bf: // (blue)
+ element = EL_CHAR_W;
+ break;
+
+ case 0x15c0: // (blue)
+ element = EL_CHAR_X;
+ break;
+
+ case 0x15c1: // (blue)
+ element = EL_CHAR_Y;
+ break;
+
+ case 0x15c2: // (blue)
+ element = EL_CHAR_Z;
+ break;
+
+ case 0x15c3: // (blue)
+ element = EL_CHAR_AUMLAUT;
+ break;
+
+ case 0x15c4: // (blue)
+ element = EL_CHAR_OUMLAUT;
+ break;
+
+ case 0x15c5: // (blue)
+ element = EL_CHAR_UUMLAUT;
+ break;
+
+ case 0x15c6: // (blue)
+ element = EL_CHAR_0;
+ break;
+
+ case 0x15c7: // (blue)
+ element = EL_CHAR_1;
+ break;
+
+ case 0x15c8: // (blue)
+ element = EL_CHAR_2;
+ break;
+
+ case 0x15c9: // (blue)
+ element = EL_CHAR_3;
+ break;
+
+ case 0x15ca: // (blue)
+ element = EL_CHAR_4;
+ break;
+
+ case 0x15cb: // (blue)
+ element = EL_CHAR_5;
+ break;
+
+ case 0x15cc: // (blue)
+ element = EL_CHAR_6;
+ break;
+
+ case 0x15cd: // (blue)
+ element = EL_CHAR_7;
+ break;
+
+ case 0x15ce: // (blue)
+ element = EL_CHAR_8;
+ break;
+
+ case 0x15cf: // (blue)
+ element = EL_CHAR_9;
+ break;
+
+ case 0x15d0: // (blue)
+ element = EL_CHAR_PERIOD;
+ break;
+
+ case 0x15d1: // (blue)
+ element = EL_CHAR_EXCLAM;
+ break;
+
+ case 0x15d2: // (blue)
+ element = EL_CHAR_COLON;
+ break;
+
+ case 0x15d3: // (blue)
+ element = EL_CHAR_LESS;
+ break;
+
+ case 0x15d4: // (blue)
+ element = EL_CHAR_GREATER;
+ break;
+
+ case 0x15d5: // (blue)
+ element = EL_CHAR_QUESTION;
+ break;
+
+ case 0x15d6: // (blue)
+ element = EL_CHAR_COPYRIGHT;
+ break;
+
+ case 0x15d7: // (blue)
+ element = EL_CHAR_UP;
+ break;
+
+ case 0x15d8: // (blue)
+ element = EL_CHAR_DOWN;
+ break;
+
+ case 0x15d9: // (blue)
+ element = EL_CHAR_BUTTON;
+ break;
+
+ case 0x15da: // (blue)
+ element = EL_CHAR_PLUS;
+ break;
+
+ case 0x15db: // (blue)
+ element = EL_CHAR_MINUS;
+ break;
+
+ case 0x15dc: // (blue)
+ element = EL_CHAR_APOSTROPHE;
+ break;
+
+ case 0x15dd: // (blue)
+ element = EL_CHAR_PARENLEFT;
+ break;
+
+ case 0x15de: // (blue)
+ element = EL_CHAR_PARENRIGHT;
+ break;
+
+ case 0x15df: // (green)
+ element = EL_CHAR_A;
+ break;
+
+ case 0x15e0: // (green)
+ element = EL_CHAR_B;
+ break;
+
+ case 0x15e1: // (green)
+ element = EL_CHAR_C;
+ break;
+
+ case 0x15e2: // (green)
+ element = EL_CHAR_D;
+ break;
+
+ case 0x15e3: // (green)
+ element = EL_CHAR_E;
+ break;
+
+ case 0x15e4: // (green)
+ element = EL_CHAR_F;
+ break;
+
+ case 0x15e5: // (green)
+ element = EL_CHAR_G;
+ break;
+
+ case 0x15e6: // (green)
+ element = EL_CHAR_H;
+ break;
+
+ case 0x15e7: // (green)
+ element = EL_CHAR_I;
+ break;
+
+ case 0x15e8: // (green)
+ element = EL_CHAR_J;
+ break;
+
+ case 0x15e9: // (green)
+ element = EL_CHAR_K;
+ break;
+
+ case 0x15ea: // (green)
+ element = EL_CHAR_L;
+ break;
+
+ case 0x15eb: // (green)
+ element = EL_CHAR_M;
+ break;
+
+ case 0x15ec: // (green)
+ element = EL_CHAR_N;
+ break;
+
+ case 0x15ed: // (green)
+ element = EL_CHAR_O;
+ break;
+
+ case 0x15ee: // (green)
+ element = EL_CHAR_P;
+ break;
+
+ case 0x15ef: // (green)
+ element = EL_CHAR_Q;
+ break;
+
+ case 0x15f0: // (green)
+ element = EL_CHAR_R;
+ break;
+
+ case 0x15f1: // (green)
+ element = EL_CHAR_S;
+ break;
+
+ case 0x15f2: // (green)
+ element = EL_CHAR_T;
+ break;
+
+ case 0x15f3: // (green)
+ element = EL_CHAR_U;
+ break;
+
+ case 0x15f4: // (green)
+ element = EL_CHAR_V;
+ break;
+
+ case 0x15f5: // (green)
+ element = EL_CHAR_W;
+ break;
+
+ case 0x15f6: // (green)
+ element = EL_CHAR_X;
+ break;
+
+ case 0x15f7: // (green)
+ element = EL_CHAR_Y;
+ break;
+
+ case 0x15f8: // (green)
+ element = EL_CHAR_Z;
+ break;
+
+ case 0x15f9: // (green)
+ element = EL_CHAR_AUMLAUT;
+ break;
+
+ case 0x15fa: // (green)
+ element = EL_CHAR_OUMLAUT;
+ break;
+
+ case 0x15fb: // (green)
+ element = EL_CHAR_UUMLAUT;
+ break;
+
+ case 0x15fc: // (green)
+ element = EL_CHAR_0;
+ break;
+
+ case 0x15fd: // (green)
+ element = EL_CHAR_1;
+ break;
+
+ case 0x15fe: // (green)
+ element = EL_CHAR_2;
+ break;
+
+ case 0x15ff: // (green)
+ element = EL_CHAR_3;
+ break;
+
+ case 0x1600: // (green)
+ element = EL_CHAR_4;
+ break;
+
+ case 0x1601: // (green)
+ element = EL_CHAR_5;
+ break;
+
+ case 0x1602: // (green)
+ element = EL_CHAR_6;
+ break;
+
+ case 0x1603: // (green)
+ element = EL_CHAR_7;
+ break;
+
+ case 0x1604: // (green)
+ element = EL_CHAR_8;
+ break;
+
+ case 0x1605: // (green)
+ element = EL_CHAR_9;
+ break;
+
+ case 0x1606: // (green)
+ element = EL_CHAR_PERIOD;
+ break;
+
+ case 0x1607: // (green)
+ element = EL_CHAR_EXCLAM;
+ break;
+
+ case 0x1608: // (green)
+ element = EL_CHAR_COLON;
+ break;
+
+ case 0x1609: // (green)
+ element = EL_CHAR_LESS;
+ break;
+
+ case 0x160a: // (green)
+ element = EL_CHAR_GREATER;
+ break;
+
+ case 0x160b: // (green)
+ element = EL_CHAR_QUESTION;
+ break;
+
+ case 0x160c: // (green)
+ element = EL_CHAR_COPYRIGHT;
+ break;
+
+ case 0x160d: // (green)
+ element = EL_CHAR_UP;
+ break;
+
+ case 0x160e: // (green)
+ element = EL_CHAR_DOWN;
+ break;
+
+ case 0x160f: // (green)
+ element = EL_CHAR_BUTTON;
+ break;
+
+ case 0x1610: // (green)
+ element = EL_CHAR_PLUS;
+ break;
+
+ case 0x1611: // (green)
+ element = EL_CHAR_MINUS;
+ break;
+
+ case 0x1612: // (green)
+ element = EL_CHAR_APOSTROPHE;
+ break;
+
+ case 0x1613: // (green)
+ element = EL_CHAR_PARENLEFT;
+ break;
+
+ case 0x1614: // (green)
+ element = EL_CHAR_PARENRIGHT;
+ break;
+
+ case 0x1615: // (blue steel)
+ element = EL_STEEL_CHAR_A;
+ break;
+
+ case 0x1616: // (blue steel)
+ element = EL_STEEL_CHAR_B;
+ break;
+
+ case 0x1617: // (blue steel)
+ element = EL_STEEL_CHAR_C;
+ break;
+
+ case 0x1618: // (blue steel)
+ element = EL_STEEL_CHAR_D;
+ break;
+
+ case 0x1619: // (blue steel)
+ element = EL_STEEL_CHAR_E;
+ break;
+
+ case 0x161a: // (blue steel)
+ element = EL_STEEL_CHAR_F;
+ break;
+
+ case 0x161b: // (blue steel)
+ element = EL_STEEL_CHAR_G;
+ break;
+
+ case 0x161c: // (blue steel)
+ element = EL_STEEL_CHAR_H;
+ break;
+
+ case 0x161d: // (blue steel)
+ element = EL_STEEL_CHAR_I;
+ break;
+
+ case 0x161e: // (blue steel)
+ element = EL_STEEL_CHAR_J;
+ break;
+
+ case 0x161f: // (blue steel)
+ element = EL_STEEL_CHAR_K;
+ break;
+
+ case 0x1620: // (blue steel)
+ element = EL_STEEL_CHAR_L;
+ break;
+
+ case 0x1621: // (blue steel)
+ element = EL_STEEL_CHAR_M;
+ break;
+
+ case 0x1622: // (blue steel)
+ element = EL_STEEL_CHAR_N;
+ break;
+
+ case 0x1623: // (blue steel)
+ element = EL_STEEL_CHAR_O;
+ break;
+
+ case 0x1624: // (blue steel)
+ element = EL_STEEL_CHAR_P;
+ break;
+
+ case 0x1625: // (blue steel)
+ element = EL_STEEL_CHAR_Q;
+ break;
+
+ case 0x1626: // (blue steel)
+ element = EL_STEEL_CHAR_R;
+ break;
+
+ case 0x1627: // (blue steel)
+ element = EL_STEEL_CHAR_S;
+ break;
+
+ case 0x1628: // (blue steel)
+ element = EL_STEEL_CHAR_T;
+ break;
+
+ case 0x1629: // (blue steel)
+ element = EL_STEEL_CHAR_U;
+ break;
+
+ case 0x162a: // (blue steel)
+ element = EL_STEEL_CHAR_V;
+ break;
+
+ case 0x162b: // (blue steel)
+ element = EL_STEEL_CHAR_W;
+ break;
+
+ case 0x162c: // (blue steel)
+ element = EL_STEEL_CHAR_X;
+ break;
+
+ case 0x162d: // (blue steel)
+ element = EL_STEEL_CHAR_Y;
+ break;
+
+ case 0x162e: // (blue steel)
+ element = EL_STEEL_CHAR_Z;
+ break;
+
+ case 0x162f: // (blue steel)
+ element = EL_STEEL_CHAR_AUMLAUT;
+ break;
+
+ case 0x1630: // (blue steel)
+ element = EL_STEEL_CHAR_OUMLAUT;
+ break;
+
+ case 0x1631: // (blue steel)
+ element = EL_STEEL_CHAR_UUMLAUT;
+ break;
+
+ case 0x1632: // (blue steel)
+ element = EL_STEEL_CHAR_0;
+ break;
+
+ case 0x1633: // (blue steel)
+ element = EL_STEEL_CHAR_1;
+ break;
+
+ case 0x1634: // (blue steel)
+ element = EL_STEEL_CHAR_2;
+ break;
+
+ case 0x1635: // (blue steel)
+ element = EL_STEEL_CHAR_3;
+ break;
+
+ case 0x1636: // (blue steel)
+ element = EL_STEEL_CHAR_4;
+ break;
+
+ case 0x1637: // (blue steel)
+ element = EL_STEEL_CHAR_5;
+ break;
+
+ case 0x1638: // (blue steel)
+ element = EL_STEEL_CHAR_6;
+ break;
+
+ case 0x1639: // (blue steel)
+ element = EL_STEEL_CHAR_7;
+ break;
+
+ case 0x163a: // (blue steel)
+ element = EL_STEEL_CHAR_8;
+ break;
+
+ case 0x163b: // (blue steel)
+ element = EL_STEEL_CHAR_9;
+ break;
+
+ case 0x163c: // (blue steel)
+ element = EL_STEEL_CHAR_PERIOD;
+ break;
+
+ case 0x163d: // (blue steel)
+ element = EL_STEEL_CHAR_EXCLAM;
+ break;
+
+ case 0x163e: // (blue steel)
+ element = EL_STEEL_CHAR_COLON;
+ break;
+
+ case 0x163f: // (blue steel)
+ element = EL_STEEL_CHAR_LESS;
+ break;
+
+ case 0x1640: // (blue steel)
+ element = EL_STEEL_CHAR_GREATER;
+ break;
+
+ case 0x1641: // (blue steel)
+ element = EL_STEEL_CHAR_QUESTION;
+ break;
+
+ case 0x1642: // (blue steel)
+ element = EL_STEEL_CHAR_COPYRIGHT;
+ break;
+
+ case 0x1643: // (blue steel)
+ element = EL_STEEL_CHAR_UP;
+ break;
+
+ case 0x1644: // (blue steel)
+ element = EL_STEEL_CHAR_DOWN;
+ break;
+
+ case 0x1645: // (blue steel)
+ element = EL_STEEL_CHAR_BUTTON;
+ break;
+
+ case 0x1646: // (blue steel)
+ element = EL_STEEL_CHAR_PLUS;
+ break;
+
+ case 0x1647: // (blue steel)
+ element = EL_STEEL_CHAR_MINUS;
+ break;
+
+ case 0x1648: // (blue steel)
+ element = EL_STEEL_CHAR_APOSTROPHE;
+ break;
+
+ case 0x1649: // (blue steel)
+ element = EL_STEEL_CHAR_PARENLEFT;
+ break;
+
+ case 0x164a: // (blue steel)
+ element = EL_STEEL_CHAR_PARENRIGHT;
+ break;
+
+ case 0x164b: // (green steel)
+ element = EL_STEEL_CHAR_A;
+ break;
+
+ case 0x164c: // (green steel)
+ element = EL_STEEL_CHAR_B;
+ break;
+
+ case 0x164d: // (green steel)
+ element = EL_STEEL_CHAR_C;
+ break;
+
+ case 0x164e: // (green steel)
+ element = EL_STEEL_CHAR_D;
+ break;
+
+ case 0x164f: // (green steel)
+ element = EL_STEEL_CHAR_E;
+ break;
+
+ case 0x1650: // (green steel)
+ element = EL_STEEL_CHAR_F;
+ break;
+
+ case 0x1651: // (green steel)
+ element = EL_STEEL_CHAR_G;
+ break;
+
+ case 0x1652: // (green steel)
+ element = EL_STEEL_CHAR_H;
+ break;
+
+ case 0x1653: // (green steel)
+ element = EL_STEEL_CHAR_I;
+ break;
+
+ case 0x1654: // (green steel)
+ element = EL_STEEL_CHAR_J;
+ break;
+
+ case 0x1655: // (green steel)
+ element = EL_STEEL_CHAR_K;
+ break;
+
+ case 0x1656: // (green steel)
+ element = EL_STEEL_CHAR_L;
+ break;
+
+ case 0x1657: // (green steel)
+ element = EL_STEEL_CHAR_M;
+ break;
+
+ case 0x1658: // (green steel)
+ element = EL_STEEL_CHAR_N;
+ break;
+
+ case 0x1659: // (green steel)
+ element = EL_STEEL_CHAR_O;
+ break;
+
+ case 0x165a: // (green steel)
+ element = EL_STEEL_CHAR_P;
+ break;
+
+ case 0x165b: // (green steel)
+ element = EL_STEEL_CHAR_Q;
+ break;
+
+ case 0x165c: // (green steel)
+ element = EL_STEEL_CHAR_R;
+ break;
+
+ case 0x165d: // (green steel)
+ element = EL_STEEL_CHAR_S;
+ break;
+
+ case 0x165e: // (green steel)
+ element = EL_STEEL_CHAR_T;
+ break;
+
+ case 0x165f: // (green steel)
+ element = EL_STEEL_CHAR_U;
+ break;
+
+ case 0x1660: // (green steel)
+ element = EL_STEEL_CHAR_V;
+ break;
+
+ case 0x1661: // (green steel)
+ element = EL_STEEL_CHAR_W;
+ break;
+
+ case 0x1662: // (green steel)
+ element = EL_STEEL_CHAR_X;
+ break;
+
+ case 0x1663: // (green steel)
+ element = EL_STEEL_CHAR_Y;
+ break;
+
+ case 0x1664: // (green steel)
+ element = EL_STEEL_CHAR_Z;
+ break;
+
+ case 0x1665: // (green steel)
+ element = EL_STEEL_CHAR_AUMLAUT;
+ break;
+
+ case 0x1666: // (green steel)
+ element = EL_STEEL_CHAR_OUMLAUT;
+ break;
+
+ case 0x1667: // (green steel)
+ element = EL_STEEL_CHAR_UUMLAUT;
+ break;
+
+ case 0x1668: // (green steel)
+ element = EL_STEEL_CHAR_0;
+ break;
+
+ case 0x1669: // (green steel)
+ element = EL_STEEL_CHAR_1;
+ break;
+
+ case 0x166a: // (green steel)
+ element = EL_STEEL_CHAR_2;
+ break;
+
+ case 0x166b: // (green steel)
+ element = EL_STEEL_CHAR_3;
+ break;
+
+ case 0x166c: // (green steel)
+ element = EL_STEEL_CHAR_4;
+ break;
+
+ case 0x166d: // (green steel)
+ element = EL_STEEL_CHAR_5;
+ break;
+
+ case 0x166e: // (green steel)
+ element = EL_STEEL_CHAR_6;
+ break;
+
+ case 0x166f: // (green steel)
+ element = EL_STEEL_CHAR_7;
+ break;
+
+ case 0x1670: // (green steel)
+ element = EL_STEEL_CHAR_8;
+ break;
+
+ case 0x1671: // (green steel)
+ element = EL_STEEL_CHAR_9;
+ break;
+
+ case 0x1672: // (green steel)
+ element = EL_STEEL_CHAR_PERIOD;
+ break;
+
+ case 0x1673: // (green steel)
+ element = EL_STEEL_CHAR_EXCLAM;
+ break;
+
+ case 0x1674: // (green steel)
+ element = EL_STEEL_CHAR_COLON;
+ break;
+
+ case 0x1675: // (green steel)
+ element = EL_STEEL_CHAR_LESS;
+ break;
+
+ case 0x1676: // (green steel)
+ element = EL_STEEL_CHAR_GREATER;
+ break;
+
+ case 0x1677: // (green steel)
+ element = EL_STEEL_CHAR_QUESTION;
+ break;
+
+ case 0x1678: // (green steel)
+ element = EL_STEEL_CHAR_COPYRIGHT;
+ break;
+
+ case 0x1679: // (green steel)
+ element = EL_STEEL_CHAR_UP;
+ break;
+
+ case 0x167a: // (green steel)
+ element = EL_STEEL_CHAR_DOWN;
+ break;
+
+ case 0x167b: // (green steel)
+ element = EL_STEEL_CHAR_BUTTON;
+ break;
+
+ case 0x167c: // (green steel)
+ element = EL_STEEL_CHAR_PLUS;
+ break;
+
+ case 0x167d: // (green steel)
+ element = EL_STEEL_CHAR_MINUS;
+ break;
+
+ case 0x167e: // (green steel)
+ element = EL_STEEL_CHAR_APOSTROPHE;
+ break;
+
+ case 0x167f: // (green steel)
+ element = EL_STEEL_CHAR_PARENLEFT;
+ break;
+
+ case 0x1680: // (green steel)
+ element = EL_STEEL_CHAR_PARENRIGHT;
+ break;
+
+ case 0x1681: // gate (red)
+ element = EL_EM_GATE_1;
+ break;
+
+ case 0x1682: // secret gate (red)
+ element = EL_GATE_1_GRAY;
+ break;
+
+ case 0x1683: // gate (yellow)
+ element = EL_EM_GATE_2;
+ break;
+
+ case 0x1684: // secret gate (yellow)
+ element = EL_GATE_2_GRAY;
+ break;
+
+ case 0x1685: // gate (blue)
+ element = EL_EM_GATE_4;
+ break;
+
+ case 0x1686: // secret gate (blue)
+ element = EL_GATE_4_GRAY;
+ break;
+
+ case 0x1687: // gate (green)
+ element = EL_EM_GATE_3;
+ break;
+
+ case 0x1688: // secret gate (green)
+ element = EL_GATE_3_GRAY;
+ break;
+
+ case 0x1689: // gate (white)
+ element = EL_DC_GATE_WHITE;
+ break;
+
+ case 0x168a: // secret gate (white)
+ element = EL_DC_GATE_WHITE_GRAY;
+ break;
+
+ case 0x168b: // secret gate (no key)
+ element = EL_DC_GATE_FAKE_GRAY;
+ break;
+
+ case 0x168c:
+ element = EL_ROBOT_WHEEL;
+ break;
+
+ case 0x168d:
+ element = EL_DC_TIMEGATE_SWITCH;
+ break;
+
+ case 0x168e:
+ element = EL_ACID_POOL_BOTTOM;
+ break;
+
+ case 0x168f:
+ element = EL_ACID_POOL_TOPLEFT;
+ break;
+
+ case 0x1690:
+ element = EL_ACID_POOL_TOPRIGHT;
+ break;
+
+ case 0x1691:
+ element = EL_ACID_POOL_BOTTOMLEFT;
+ break;
+
+ case 0x1692:
+ element = EL_ACID_POOL_BOTTOMRIGHT;
+ break;
+
+ case 0x1693:
+ element = EL_STEELWALL;
+ break;
+
+ case 0x1694:
+ element = EL_STEELWALL_SLIPPERY;
+ break;
+
+ case 0x1695: // steel wall (not round)
+ element = EL_STEELWALL;
+ break;
+
+ case 0x1696: // steel wall (left)
+ element = EL_DC_STEELWALL_1_LEFT;
+ break;
+
+ case 0x1697: // steel wall (bottom)
+ element = EL_DC_STEELWALL_1_BOTTOM;
+ break;
+
+ case 0x1698: // steel wall (right)
+ element = EL_DC_STEELWALL_1_RIGHT;
+ break;
+
+ case 0x1699: // steel wall (top)
+ element = EL_DC_STEELWALL_1_TOP;
+ break;
+
+ case 0x169a: // steel wall (left/bottom)
+ element = EL_DC_STEELWALL_1_BOTTOMLEFT;
+ break;
+
+ case 0x169b: // steel wall (right/bottom)
+ element = EL_DC_STEELWALL_1_BOTTOMRIGHT;
+ break;
+
+ case 0x169c: // steel wall (right/top)
+ element = EL_DC_STEELWALL_1_TOPRIGHT;
+ break;
+
+ case 0x169d: // steel wall (left/top)
+ element = EL_DC_STEELWALL_1_TOPLEFT;
+ break;
+
+ case 0x169e: // steel wall (right/bottom small)
+ element = EL_DC_STEELWALL_1_BOTTOMRIGHT_2;
+ break;
+
+ case 0x169f: // steel wall (left/bottom small)
+ element = EL_DC_STEELWALL_1_BOTTOMLEFT_2;
+ break;
+
+ case 0x16a0: // steel wall (right/top small)
+ element = EL_DC_STEELWALL_1_TOPRIGHT_2;
+ break;
+
+ case 0x16a1: // steel wall (left/top small)
+ element = EL_DC_STEELWALL_1_TOPLEFT_2;
+ break;
+
+ case 0x16a2: // steel wall (left/right)
+ element = EL_DC_STEELWALL_1_VERTICAL;
+ break;
+
+ case 0x16a3: // steel wall (top/bottom)
+ element = EL_DC_STEELWALL_1_HORIZONTAL;
+ break;
+
+ case 0x16a4: // steel wall 2 (left end)
+ element = EL_DC_STEELWALL_2_LEFT;
+ break;
+
+ case 0x16a5: // steel wall 2 (right end)
+ element = EL_DC_STEELWALL_2_RIGHT;
+ break;
+
+ case 0x16a6: // steel wall 2 (top end)
+ element = EL_DC_STEELWALL_2_TOP;
+ break;
+
+ case 0x16a7: // steel wall 2 (bottom end)
+ element = EL_DC_STEELWALL_2_BOTTOM;
+ break;
+
+ case 0x16a8: // steel wall 2 (left/right)
+ element = EL_DC_STEELWALL_2_HORIZONTAL;
+ break;
+
+ case 0x16a9: // steel wall 2 (up/down)
+ element = EL_DC_STEELWALL_2_VERTICAL;
+ break;
+
+ case 0x16aa: // steel wall 2 (mid)
+ element = EL_DC_STEELWALL_2_MIDDLE;
+ break;
+
+ case 0x16ab:
+ element = EL_SIGN_EXCLAMATION;
+ break;
+
+ case 0x16ac:
+ element = EL_SIGN_RADIOACTIVITY;
+ break;
+
+ case 0x16ad:
+ element = EL_SIGN_STOP;
+ break;
+
+ case 0x16ae:
+ element = EL_SIGN_WHEELCHAIR;
+ break;
+
+ case 0x16af:
+ element = EL_SIGN_PARKING;
+ break;
+
+ case 0x16b0:
+ element = EL_SIGN_NO_ENTRY;
+ break;
+
+ case 0x16b1:
+ element = EL_SIGN_HEART;
+ break;
+
+ case 0x16b2:
+ element = EL_SIGN_GIVE_WAY;
+ break;
+
+ case 0x16b3:
+ element = EL_SIGN_ENTRY_FORBIDDEN;
+ break;
+
+ case 0x16b4:
+ element = EL_SIGN_EMERGENCY_EXIT;
+ break;
+
+ case 0x16b5:
+ element = EL_SIGN_YIN_YANG;
+ break;
+
+ case 0x16b6:
+ element = EL_WALL_EMERALD;
+ break;
+
+ case 0x16b7:
+ element = EL_WALL_DIAMOND;
+ break;
+
+ case 0x16b8:
+ element = EL_WALL_PEARL;
+ break;
+
+ case 0x16b9:
+ element = EL_WALL_CRYSTAL;
+ break;
+
+ case 0x16ba:
+ element = EL_INVISIBLE_WALL;
+ break;
+
+ case 0x16bb:
+ element = EL_INVISIBLE_STEELWALL;
+ break;
+
+ // 0x16bc - 0x16cb:
+ // EL_INVISIBLE_SAND
+
+ case 0x16cc:
+ element = EL_LIGHT_SWITCH;
+ break;
+
+ case 0x16cd:
+ element = EL_ENVELOPE_1;
+ break;
+
+ default:
+ if (element >= 0x0117 && element <= 0x036e) // (?)
+ element = EL_DIAMOND;
+ else if (element >= 0x042d && element <= 0x0684) // (?)
+ element = EL_EMERALD;
+ else if (element >= 0x157c && element <= 0x158b)
+ element = EL_SAND;
+ else if (element >= 0x1590 && element <= 0x159f)
+ element = EL_DC_LANDMINE;
+ else if (element >= 0x16bc && element <= 0x16cb)
+ element = EL_INVISIBLE_SAND;
+ else
+ {
+ Error(ERR_WARN, "unknown Diamond Caves element 0x%04x", element);
+ element = EL_UNKNOWN;
+ }
+ break;
+ }
+
+ return getMappedElement(element);
+}
+
+static void LoadLevelFromFileStream_DC(File *file, struct LevelInfo *level,
+ int nr)
+{
+ byte header[DC_LEVEL_HEADER_SIZE];
+ int envelope_size;
+ int envelope_header_pos = 62;
+ int envelope_content_pos = 94;
+ int level_name_pos = 251;
+ int level_author_pos = 292;
+ int envelope_header_len;
+ int envelope_content_len;
+ int level_name_len;
+ int level_author_len;
+ int fieldx, fieldy;
+ int num_yamyam_contents;
+ int i, x, y;
+
+ getDecodedWord_DC(0, TRUE); // initialize DC2 decoding engine
+
+ for (i = 0; i < DC_LEVEL_HEADER_SIZE / 2; i++)
+ {
+ unsigned short header_word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+
+ header[i * 2 + 0] = header_word >> 8;
+ header[i * 2 + 1] = header_word & 0xff;
+ }
+
+ // read some values from level header to check level decoding integrity
+ fieldx = header[6] | (header[7] << 8);
+ fieldy = header[8] | (header[9] << 8);
+ num_yamyam_contents = header[60] | (header[61] << 8);
+
+ // do some simple sanity checks to ensure that level was correctly decoded
+ if (fieldx < 1 || fieldx > 256 ||
+ fieldy < 1 || fieldy > 256 ||
+ num_yamyam_contents < 1 || num_yamyam_contents > 8)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot decode level from stream -- using empty level");
+
+ return;
+ }
+
+ // maximum envelope header size is 31 bytes
+ envelope_header_len = header[envelope_header_pos];
+ // maximum envelope content size is 110 (156?) bytes
+ envelope_content_len = header[envelope_content_pos];
+
+ // maximum level title size is 40 bytes
+ level_name_len = MIN(header[level_name_pos], MAX_LEVEL_NAME_LEN);
+ // maximum level author size is 30 (51?) bytes
+ level_author_len = MIN(header[level_author_pos], MAX_LEVEL_AUTHOR_LEN);
+
+ envelope_size = 0;
+
+ for (i = 0; i < envelope_header_len; i++)
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] =
+ header[envelope_header_pos + 1 + i];
+
+ if (envelope_header_len > 0 && envelope_content_len > 0)
+ {
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] = '\n';
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] = '\n';
+ }
+
+ for (i = 0; i < envelope_content_len; i++)
+ if (envelope_size < MAX_ENVELOPE_TEXT_LEN)
+ level->envelope[0].text[envelope_size++] =
+ header[envelope_content_pos + 1 + i];
+
+ level->envelope[0].text[envelope_size] = '\0';
+
+ level->envelope[0].xsize = MAX_ENVELOPE_XSIZE;
+ level->envelope[0].ysize = 10;
+ level->envelope[0].autowrap = TRUE;
+ level->envelope[0].centered = TRUE;
+
+ for (i = 0; i < level_name_len; i++)
+ level->name[i] = header[level_name_pos + 1 + i];
+ level->name[level_name_len] = '\0';
+
+ for (i = 0; i < level_author_len; i++)
+ level->author[i] = header[level_author_pos + 1 + i];
+ level->author[level_author_len] = '\0';
+
+ num_yamyam_contents = header[60] | (header[61] << 8);
+ level->num_yamyam_contents =
+ MIN(MAX(MIN_ELEMENT_CONTENTS, num_yamyam_contents), MAX_ELEMENT_CONTENTS);
+
+ for (i = 0; i < num_yamyam_contents; i++)
+ {
+ for (y = 0; y < 3; y++) for (x = 0; x < 3; x++)
+ {
+ unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+ int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+
+ if (i < MAX_ELEMENT_CONTENTS)
+ level->yamyam_content[i].e[x][y] = getMappedElement_DC(element_dc);
+ }
+ }
+
+ fieldx = header[6] | (header[7] << 8);
+ fieldy = header[8] | (header[9] << 8);
+ level->fieldx = MIN(MAX(MIN_LEV_FIELDX, fieldx), MAX_LEV_FIELDX);
+ level->fieldy = MIN(MAX(MIN_LEV_FIELDY, fieldy), MAX_LEV_FIELDY);
+
+ for (y = 0; y < fieldy; y++) for (x = 0; x < fieldx; x++)
+ {
+ unsigned short word = getDecodedWord_DC(getFile16BitBE(file), FALSE);
+ int element_dc = ((word & 0xff) << 8) | ((word >> 8) & 0xff);
+
+ if (x < MAX_LEV_FIELDX && y < MAX_LEV_FIELDY)
+ level->field[x][y] = getMappedElement_DC(element_dc);
+ }
+
+ x = MIN(MAX(0, (header[10] | (header[11] << 8)) - 1), MAX_LEV_FIELDX - 1);
+ y = MIN(MAX(0, (header[12] | (header[13] << 8)) - 1), MAX_LEV_FIELDY - 1);
+ level->field[x][y] = EL_PLAYER_1;
+
+ x = MIN(MAX(0, (header[14] | (header[15] << 8)) - 1), MAX_LEV_FIELDX - 1);
+ y = MIN(MAX(0, (header[16] | (header[17] << 8)) - 1), MAX_LEV_FIELDY - 1);
+ level->field[x][y] = EL_PLAYER_2;
+
+ level->gems_needed = header[18] | (header[19] << 8);
+
+ level->score[SC_EMERALD] = header[20] | (header[21] << 8);
+ level->score[SC_DIAMOND] = header[22] | (header[23] << 8);
+ level->score[SC_PEARL] = header[24] | (header[25] << 8);
+ level->score[SC_CRYSTAL] = header[26] | (header[27] << 8);
+ level->score[SC_NUT] = header[28] | (header[29] << 8);
+ level->score[SC_ROBOT] = header[30] | (header[31] << 8);
+ level->score[SC_SPACESHIP] = header[32] | (header[33] << 8);
+ level->score[SC_BUG] = header[34] | (header[35] << 8);
+ level->score[SC_YAMYAM] = header[36] | (header[37] << 8);
+ level->score[SC_DYNAMITE] = header[38] | (header[39] << 8);
+ level->score[SC_KEY] = header[40] | (header[41] << 8);
+ level->score[SC_TIME_BONUS] = header[42] | (header[43] << 8);
+
+ level->time = header[44] | (header[45] << 8);
+
+ level->amoeba_speed = header[46] | (header[47] << 8);
+ level->time_light = header[48] | (header[49] << 8);
+ level->time_timegate = header[50] | (header[51] << 8);
+ level->time_wheel = header[52] | (header[53] << 8);
+ level->time_magic_wall = header[54] | (header[55] << 8);
+ level->extra_time = header[56] | (header[57] << 8);
+ level->shield_normal_time = header[58] | (header[59] << 8);
+
+ // Diamond Caves has the same (strange) behaviour as Emerald Mine that gems
+ // can slip down from flat walls, like normal walls and steel walls
+ level->em_slippery_gems = TRUE;
+}
+
+static void LoadLevelFromFileInfo_DC(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ char *filename = level_file_info->filename;
+ File *file;
+ int num_magic_bytes = 8;
+ char magic_bytes[num_magic_bytes + 1];
+ int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
+
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+ // fseek(file, 0x0000, SEEK_SET);
+
+ if (level_file_info->packed)
+ {
+ // read "magic bytes" from start of file
+ if (getStringFromFile(file, magic_bytes, num_magic_bytes + 1) == NULL)
+ magic_bytes[0] = '\0';
+
+ // check "magic bytes" for correct file format
+ if (!strPrefix(magic_bytes, "DC2"))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown DC level file '%s' -- using empty level",
+ filename);
+
+ return;
+ }
+
+ if (strPrefix(magic_bytes, "DC2Win95") ||
+ strPrefix(magic_bytes, "DC2Win98"))
+ {
+ int position_first_level = 0x00fa;
+ int extra_bytes = 4;
+ int skip_bytes;
+
+ // advance file stream to first level inside the level package
+ skip_bytes = position_first_level - num_magic_bytes - extra_bytes;
+
+ // each block of level data is followed by block of non-level data
+ num_levels_to_skip *= 2;
+
+ // at least skip header bytes, therefore use ">= 0" instead of "> 0"
+ while (num_levels_to_skip >= 0)
+ {
+ // advance file stream to next level inside the level package
+ if (seekFile(file, skip_bytes, SEEK_CUR) != 0)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot fseek in file '%s' -- using empty level",
+ filename);
+
+ return;
+ }
+
+ // skip apparently unused extra bytes following each level
+ ReadUnusedBytesFromFile(file, extra_bytes);
+
+ // read size of next level in level package
+ skip_bytes = getFile32BitLE(file);
+
+ num_levels_to_skip--;
+ }
+ }
+ else
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown DC2 level file '%s' -- using empty level",
+ filename);
+
+ return;
+ }
+ }
+
+ LoadLevelFromFileStream_DC(file, level, level_file_info->nr);
+
+ closeFile(file);
+}
+
+
+// ----------------------------------------------------------------------------
+// functions for loading SB level
+// ----------------------------------------------------------------------------
+
+int getMappedElement_SB(int element_ascii, boolean use_ces)
+{
+ static struct
+ {
+ int ascii;
+ int sb;
+ int ce;
+ }
+ sb_element_mapping[] =
+ {
+ { ' ', EL_EMPTY, EL_CUSTOM_1 }, // floor (space)
+ { '#', EL_STEELWALL, EL_CUSTOM_2 }, // wall
+ { '@', EL_PLAYER_1, EL_CUSTOM_3 }, // player
+ { '$', EL_SOKOBAN_OBJECT, EL_CUSTOM_4 }, // box
+ { '.', EL_SOKOBAN_FIELD_EMPTY, EL_CUSTOM_5 }, // goal square
+ { '*', EL_SOKOBAN_FIELD_FULL, EL_CUSTOM_6 }, // box on goal square
+ { '+', EL_SOKOBAN_FIELD_PLAYER, EL_CUSTOM_7 }, // player on goal square
+ { '_', EL_INVISIBLE_STEELWALL, EL_FROM_LEVEL_TEMPLATE }, // floor beyond border
+
+ { 0, -1, -1 },
+ };
+
+ int i;
+
+ for (i = 0; sb_element_mapping[i].ascii != 0; i++)
+ if (element_ascii == sb_element_mapping[i].ascii)
+ return (use_ces ? sb_element_mapping[i].ce : sb_element_mapping[i].sb);
+
+ return EL_UNDEFINED;
+}
+
+static void LoadLevelFromFileInfo_SB(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ char *filename = level_file_info->filename;
+ char line[MAX_LINE_LEN], line_raw[MAX_LINE_LEN], previous_line[MAX_LINE_LEN];
+ char last_comment[MAX_LINE_LEN];
+ char level_name[MAX_LINE_LEN];
+ char *line_ptr;
+ File *file;
+ int num_levels_to_skip = level_file_info->nr - leveldir_current->first_level;
+ boolean read_continued_line = FALSE;
+ boolean reading_playfield = FALSE;
+ boolean got_valid_playfield_line = FALSE;
+ boolean invalid_playfield_char = FALSE;
+ boolean load_xsb_to_ces = check_special_flags("load_xsb_to_ces");
+ int file_level_nr = 0;
+ int line_nr = 0;
+ int x = 0, y = 0; // initialized to make compilers happy
+
+ last_comment[0] = '\0';
+ level_name[0] = '\0';
+
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+ while (!checkEndOfFile(file))
+ {
+ // level successfully read, but next level may follow here
+ if (!got_valid_playfield_line && reading_playfield)
+ {
+ // read playfield from single level file -- skip remaining file
+ if (!level_file_info->packed)
+ break;
+
+ if (file_level_nr >= num_levels_to_skip)
+ break;
+
+ file_level_nr++;
+
+ last_comment[0] = '\0';
+ level_name[0] = '\0';
+
+ reading_playfield = FALSE;
+ }
+
+ got_valid_playfield_line = FALSE;
+
+ // read next line of input file
+ if (!getStringFromFile(file, line, MAX_LINE_LEN))
+ break;
+
+ // check if line was completely read and is terminated by line break
+ if (strlen(line) > 0 && line[strlen(line) - 1] == '\n')
+ line_nr++;
+
+ // cut trailing line break (this can be newline and/or carriage return)
+ for (line_ptr = &line[strlen(line)]; line_ptr >= line; line_ptr--)
+ if ((*line_ptr == '\n' || *line_ptr == '\r') && *(line_ptr + 1) == '\0')
+ *line_ptr = '\0';
+
+ // copy raw input line for later use (mainly debugging output)
+ strcpy(line_raw, line);
+
+ if (read_continued_line)
+ {
+ // append new line to existing line, if there is enough space
+ if (strlen(previous_line) + strlen(line_ptr) < MAX_LINE_LEN)
+ strcat(previous_line, line_ptr);
+
+ strcpy(line, previous_line); // copy storage buffer to line
+
+ read_continued_line = FALSE;
+ }
+
+ // if the last character is '\', continue at next line
+ if (strlen(line) > 0 && line[strlen(line) - 1] == '\\')
+ {
+ line[strlen(line) - 1] = '\0'; // cut off trailing backslash
+ strcpy(previous_line, line); // copy line to storage buffer
+
+ read_continued_line = TRUE;
+
+ continue;
+ }
+
+ // skip empty lines
+ if (line[0] == '\0')
+ continue;
+
+ // extract comment text from comment line
+ if (line[0] == ';')
+ {
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ if (*line_ptr != ' ' && *line_ptr != '\t' && *line_ptr != ';')
+ break;
+
+ strcpy(last_comment, line_ptr);
+
+ continue;
+ }
+
+ // extract level title text from line containing level title
+ if (line[0] == '\'')
+ {
+ strcpy(level_name, &line[1]);
+
+ if (strlen(level_name) > 0 && level_name[strlen(level_name) - 1] == '\'')
+ level_name[strlen(level_name) - 1] = '\0';
+
+ continue;
+ }
+
+ // skip lines containing only spaces (or empty lines)
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ if (*line_ptr != ' ')
+ break;
+ if (*line_ptr == '\0')
+ continue;
+
+ // at this point, we have found a line containing part of a playfield
+
+ got_valid_playfield_line = TRUE;
+
+ if (!reading_playfield)
+ {
+ reading_playfield = TRUE;
+ invalid_playfield_char = FALSE;
+
+ for (x = 0; x < MAX_LEV_FIELDX; x++)
+ for (y = 0; y < MAX_LEV_FIELDY; y++)
+ level->field[x][y] = getMappedElement_SB(' ', load_xsb_to_ces);
+
+ level->fieldx = 0;
+ level->fieldy = 0;
+
+ // start with topmost tile row
+ y = 0;
+ }
+
+ // skip playfield line if larger row than allowed
+ if (y >= MAX_LEV_FIELDY)
+ continue;
+
+ // start with leftmost tile column
+ x = 0;
+
+ // read playfield elements from line
+ for (line_ptr = line; *line_ptr; line_ptr++)
+ {
+ int mapped_sb_element = getMappedElement_SB(*line_ptr, load_xsb_to_ces);
+
+ // stop parsing playfield line if larger column than allowed
+ if (x >= MAX_LEV_FIELDX)
+ break;
+
+ if (mapped_sb_element == EL_UNDEFINED)
+ {
+ invalid_playfield_char = TRUE;
+
+ break;
+ }
+
+ level->field[x][y] = mapped_sb_element;
+
+ // continue with next tile column
+ x++;
+
+ level->fieldx = MAX(x, level->fieldx);
+ }
+
+ if (invalid_playfield_char)
+ {
+ // if first playfield line, treat invalid lines as comment lines
+ if (y == 0)
+ reading_playfield = FALSE;
+
+ continue;
+ }
+
+ // continue with next tile row
+ y++;
+ }
+
+ closeFile(file);
+
+ level->fieldy = y;
+
+ level->fieldx = MIN(MAX(MIN_LEV_FIELDX, level->fieldx), MAX_LEV_FIELDX);
+ level->fieldy = MIN(MAX(MIN_LEV_FIELDY, level->fieldy), MAX_LEV_FIELDY);
+
+ if (!reading_playfield)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+ if (*level_name != '\0')
+ {
+ strncpy(level->name, level_name, MAX_LEVEL_NAME_LEN);
+ level->name[MAX_LEVEL_NAME_LEN] = '\0';
+ }
+ else if (*last_comment != '\0')
+ {
+ strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN);
+ level->name[MAX_LEVEL_NAME_LEN] = '\0';
+ }
+ else
+ {
+ sprintf(level->name, "--> Level %d <--", level_file_info->nr);
+ }
+
+ // set all empty fields beyond the border walls to invisible steel wall
+ for (y = 0; y < level->fieldy; y++) for (x = 0; x < level->fieldx; x++)
+ {
+ if ((x == 0 || x == level->fieldx - 1 ||
+ y == 0 || y == level->fieldy - 1) &&
+ level->field[x][y] == getMappedElement_SB(' ', load_xsb_to_ces))
+ FloodFillLevel(x, y, getMappedElement_SB('_', load_xsb_to_ces),
+ level->field, level->fieldx, level->fieldy);
+ }
+
+ // set special level settings for Sokoban levels
+
+ level->time = 0;
+ level->use_step_counter = TRUE;
+
+ if (load_xsb_to_ces)
+ {
+ // special global settings can now be set in level template
+
+ level->use_custom_template = TRUE;
+ }
+}
+
+
+// -------------------------------------------------------------------------
+// functions for handling native levels
+// -------------------------------------------------------------------------
+
+static void LoadLevelFromFileInfo_EM(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ if (!LoadNativeLevel_EM(level_file_info->filename, level_info_only))
+ level->no_valid_file = TRUE;
+}
+
+static void LoadLevelFromFileInfo_SP(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ int pos = 0;
+
+ // determine position of requested level inside level package
+ if (level_file_info->packed)
+ pos = level_file_info->nr - leveldir_current->first_level;
+
+ if (!LoadNativeLevel_SP(level_file_info->filename, pos, level_info_only))
+ level->no_valid_file = TRUE;
+}
+
+static void LoadLevelFromFileInfo_MM(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ if (!LoadNativeLevel_MM(level_file_info->filename, level_info_only))
+ level->no_valid_file = TRUE;
+}
+
+void CopyNativeLevel_RND_to_Native(struct LevelInfo *level)
+{
+ if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
+ CopyNativeLevel_RND_to_EM(level);
+ else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
+ CopyNativeLevel_RND_to_SP(level);
+ else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
+ CopyNativeLevel_RND_to_MM(level);
+}
+
+void CopyNativeLevel_Native_to_RND(struct LevelInfo *level)
+{
+ if (level->game_engine_type == GAME_ENGINE_TYPE_EM)
+ CopyNativeLevel_EM_to_RND(level);
+ else if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
+ CopyNativeLevel_SP_to_RND(level);
+ else if (level->game_engine_type == GAME_ENGINE_TYPE_MM)
+ CopyNativeLevel_MM_to_RND(level);
+}
+
+void SaveNativeLevel(struct LevelInfo *level)
+{
+ if (level->game_engine_type == GAME_ENGINE_TYPE_SP)
+ {
+ char *basename = getSingleLevelBasenameExt(level->file_info.nr, "sp");
+ char *filename = getLevelFilenameFromBasename(basename);
+
+ CopyNativeLevel_RND_to_SP(level);
+ CopyNativeTape_RND_to_SP(level);
+
+ SaveNativeLevel_SP(filename);
+ }
+}
+
+
+// ----------------------------------------------------------------------------
+// functions for loading generic level
+// ----------------------------------------------------------------------------
+
+static void LoadLevelFromFileInfo(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info,
+ boolean level_info_only)
+{
+ // always start with reliable default values
+ setLevelInfoToDefaults(level, level_info_only, TRUE);
+
+ switch (level_file_info->type)
+ {
+ case LEVEL_FILE_TYPE_RND:
+ LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
+ break;
+
+ case LEVEL_FILE_TYPE_EM:
+ LoadLevelFromFileInfo_EM(level, level_file_info, level_info_only);
+ level->game_engine_type = GAME_ENGINE_TYPE_EM;
+ break;
+
+ case LEVEL_FILE_TYPE_SP:
+ LoadLevelFromFileInfo_SP(level, level_file_info, level_info_only);
+ level->game_engine_type = GAME_ENGINE_TYPE_SP;
+ break;
+
+ case LEVEL_FILE_TYPE_MM:
+ LoadLevelFromFileInfo_MM(level, level_file_info, level_info_only);
+ level->game_engine_type = GAME_ENGINE_TYPE_MM;
+ break;
+
+ case LEVEL_FILE_TYPE_DC:
+ LoadLevelFromFileInfo_DC(level, level_file_info, level_info_only);
+ break;
+
+ case LEVEL_FILE_TYPE_SB:
+ LoadLevelFromFileInfo_SB(level, level_file_info, level_info_only);
+ break;
+
+ default:
+ LoadLevelFromFileInfo_RND(level, level_file_info, level_info_only);
+ break;
+ }
+
+ // if level file is invalid, restore level structure to default values
+ if (level->no_valid_file)
+ setLevelInfoToDefaults(level, level_info_only, FALSE);
+
+ if (level->game_engine_type == GAME_ENGINE_TYPE_UNKNOWN)
+ level->game_engine_type = GAME_ENGINE_TYPE_RND;
+
+ if (level_file_info->type != LEVEL_FILE_TYPE_RND)
+ CopyNativeLevel_Native_to_RND(level);
+}
+
+void LoadLevelFromFilename(struct LevelInfo *level, char *filename)
+{
+ static struct LevelFileInfo level_file_info;
+
+ // always start with reliable default values
+ setFileInfoToDefaults(&level_file_info);
+
+ level_file_info.nr = 0; // unknown level number
+ level_file_info.type = LEVEL_FILE_TYPE_RND; // no others supported yet
+
+ setString(&level_file_info.filename, filename);
+
+ LoadLevelFromFileInfo(level, &level_file_info, FALSE);
+}
+
+static void LoadLevel_InitVersion(struct LevelInfo *level)
+{
+ int i, j;
+
+ if (leveldir_current == NULL) // only when dumping level
+ return;
+
+ // all engine modifications also valid for levels which use latest engine
+ if (level->game_version < VERSION_IDENT(3,2,0,5))
+ {
+ // time bonus score was given for 10 s instead of 1 s before 3.2.0-5
+ level->score[SC_TIME_BONUS] /= 10;
+ }
+
+ if (leveldir_current->latest_engine)
+ {
+ // ---------- use latest game engine --------------------------------------
+
+ /* For all levels which are forced to use the latest game engine version
+ (normally all but user contributed, private and undefined levels), set
+ the game engine version to the actual version; this allows for actual
+ corrections in the game engine to take effect for existing, converted
+ levels (from "classic" or other existing games) to make the emulation
+ of the corresponding game more accurate, while (hopefully) not breaking
+ existing levels created from other players. */
+
+ level->game_version = GAME_VERSION_ACTUAL;
+
+ /* Set special EM style gems behaviour: EM style gems slip down from
+ normal, steel and growing wall. As this is a more fundamental change,
+ it seems better to set the default behaviour to "off" (as it is more
+ natural) and make it configurable in the level editor (as a property
+ of gem style elements). Already existing converted levels (neither
+ private nor contributed levels) are changed to the new behaviour. */
+
+ if (level->file_version < FILE_VERSION_2_0)
+ level->em_slippery_gems = TRUE;
+
+ return;
+ }
+
+ // ---------- use game engine the level was created with --------------------
+
+ /* For all levels which are not forced to use the latest game engine
+ version (normally user contributed, private and undefined levels),
+ use the version of the game engine the levels were created for.
+
+ Since 2.0.1, the game engine version is now directly stored
+ in the level file (chunk "VERS"), so there is no need anymore
+ to set the game version from the file version (except for old,
+ pre-2.0 levels, where the game version is still taken from the
+ file format version used to store the level -- see above). */
+
+ // player was faster than enemies in 1.0.0 and before
+ if (level->file_version == FILE_VERSION_1_0)
+ for (i = 0; i < MAX_PLAYERS; i++)
+ level->initial_player_stepsize[i] = STEPSIZE_FAST;
+
+ // default behaviour for EM style gems was "slippery" only in 2.0.1
+ if (level->game_version == VERSION_IDENT(2,0,1,0))
+ level->em_slippery_gems = TRUE;
+
+ // springs could be pushed over pits before (pre-release version) 2.2.0
+ if (level->game_version < VERSION_IDENT(2,2,0,0))
+ level->use_spring_bug = TRUE;
+
+ if (level->game_version < VERSION_IDENT(3,2,0,5))
+ {
+ // time orb caused limited time in endless time levels before 3.2.0-5
+ level->use_time_orb_bug = TRUE;
+
+ // default behaviour for snapping was "no snap delay" before 3.2.0-5
+ level->block_snap_field = FALSE;
+
+ // extra time score was same value as time left score before 3.2.0-5
+ level->extra_time_score = level->score[SC_TIME_BONUS];
+ }
+
+ if (level->game_version < VERSION_IDENT(3,2,0,7))
+ {
+ // default behaviour for snapping was "not continuous" before 3.2.0-7
+ level->continuous_snapping = FALSE;
+ }