strSuffixLower(basename, ".dc2"))
return LEVEL_FILE_TYPE_DC;
+ /* check for typical filename of a Sokoban level package file */
+ if (strSuffixLower(basename, ".xsb") &&
+ strchr(basename, '%') == NULL)
+ return LEVEL_FILE_TYPE_SB;
+
/* ---------- try to determine file type from filesize ---------- */
checked_free(filename);
#endif
+/* ------------------------------------------------------------------------- */
+/* functions for loading SB level */
+/* ------------------------------------------------------------------------- */
+
+static void LoadLevelFromFileInfo_SB(struct LevelInfo *level,
+ struct LevelFileInfo *level_file_info)
+{
+ 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;
+ int file_level_nr = 0;
+ int line_nr = 0;
+ int x, y;
+
+ if (!(file = fopen(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+
+ return;
+ }
+
+#if 0
+ printf("::: looking for level number %d [%d]\n",
+ level_file_info->nr, num_levels_to_skip);
+#endif
+
+ last_comment[0] = '\0';
+ level_name[0] = '\0';
+
+ while (!feof(file))
+ {
+ /* level successfully read, but next level may follow here */
+ if (!got_valid_playfield_line && reading_playfield)
+ {
+#if 0
+ printf("::: read complete playfield\n");
+#endif
+
+ /* 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 (!fgets(line, MAX_LINE_LEN, file))
+ 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);
+
+#if 0
+ printf("::: found comment '%s' in line %d\n", last_comment, line_nr);
+#endif
+
+ 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';
+
+#if 0
+ printf("::: found level name '%s' in line %d\n", level_name, line_nr);
+#endif
+
+ 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 */
+
+#if 0
+ printf("::: found playfield row in line %d\n", line_nr);
+#endif
+
+ 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] = EL_EMPTY;
+
+ 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++)
+ {
+ /* stop parsing playfield line if larger column than allowed */
+ if (x >= MAX_LEV_FIELDX)
+ break;
+
+ switch (*line_ptr)
+ {
+ case '#': /* wall */
+ level->field[x][y] = EL_STEELWALL;
+ break;
+
+ case '@': /* player */
+ level->field[x][y] = EL_PLAYER_1;
+ break;
+
+ case '+': /* player on goal square */
+ level->field[x][y] = EL_SOKOBAN_FIELD_PLAYER;
+ break;
+
+ case '$': /* box */
+ level->field[x][y] = EL_SOKOBAN_OBJECT;
+ break;
+
+ case '*': /* box on goal square */
+ level->field[x][y] = EL_SOKOBAN_FIELD_FULL;
+ break;
+
+ case '.': /* goal square */
+ level->field[x][y] = EL_SOKOBAN_FIELD_EMPTY;
+ break;
+
+ case ' ': /* floor (space) */
+ level->field[x][y] = EL_EMPTY;
+ break;
+
+ default:
+ invalid_playfield_char = TRUE;
+ break;
+ }
+
+ if (invalid_playfield_char)
+ break;
+
+ /* 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++;
+ }
+
+ 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);
+
+ fclose(file);
+
+ 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';
+
+#if 0
+ printf(":1: level name: '%s'\n", level->name);
+#endif
+ }
+ else if (*last_comment != '\0')
+ {
+ strncpy(level->name, last_comment, MAX_LEVEL_NAME_LEN);
+ level->name[MAX_LEVEL_NAME_LEN] = '\0';
+
+#if 0
+ printf(":2: level name: '%s'\n", level->name);
+#endif
+ }
+ else
+ {
+ sprintf(level->name, "--> Level %d <--", level_file_info->nr);
+ }
+}
+
+
/* ------------------------------------------------------------------------- */
/* functions for handling native levels */
/* ------------------------------------------------------------------------- */
LoadLevelFromFileInfo_DC(level, level_file_info);
break;
+ case LEVEL_FILE_TYPE_SB:
+ LoadLevelFromFileInfo_SB(level, level_file_info);
+ break;
+
default:
LoadLevelFromFileInfo_RND(level, level_file_info);
break;
lev_fieldy = level->fieldy;
/* determine border element for this level */
- if (level->file_info.type == LEVEL_FILE_TYPE_DC)
+ if (level->file_info.type == LEVEL_FILE_TYPE_DC ||
+ level->file_info.type == LEVEL_FILE_TYPE_SB)
BorderElement = EL_EMPTY; /* (in editor, SetBorderElement() is used) */
else
SetBorderElement();
projects / rocksndiamonds.git / commitdiff