+ if (leveldir_current == NULL) /* only when dumping level */
+ return;
+
+#if 0
+ printf("::: sort_priority: %d\n", leveldir_current->sort_priority);
+#endif
+
+ /* determine correct game engine version of current level */
+ if (!leveldir_current->latest_engine)
+ {
+ /* 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)
+ level->double_speed = TRUE;
+
+ /* 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;
+
+ /* only few elements were able to actively move into acid before 3.1.0 */
+ /* trigger settings did not exist before 3.1.0; set to default "any" */
+ if (level->game_version < VERSION_IDENT(3,1,0,0))
+ {
+ int i, j;
+
+ /* correct "can move into acid" settings (all zero in old levels) */
+
+ level->can_move_into_acid_bits = 0; /* nothing can move into acid */
+ level->dont_collide_with_bits = 0; /* nothing is deadly when colliding */
+
+ setMoveIntoAcidProperty(level, EL_ROBOT, TRUE);
+ setMoveIntoAcidProperty(level, EL_SATELLITE, TRUE);
+ setMoveIntoAcidProperty(level, EL_PENGUIN, TRUE);
+ setMoveIntoAcidProperty(level, EL_BALLOON, TRUE);
+
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ SET_PROPERTY(EL_CUSTOM_START + i, EP_CAN_MOVE_INTO_ACID, TRUE);
+
+ /* correct trigger settings (stored as zero == "none" in old levels) */
+
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+ struct ElementInfo *ei = &element_info[element];
+
+ for (j = 0; j < ei->num_change_pages; j++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[j];
+
+ change->trigger_player = CH_PLAYER_ANY;
+ change->trigger_page = CH_PAGE_ANY;
+ }
+ }
+ }
+ }
+ else /* always use the latest game engine version */
+ {
+ /* 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;
+ }
+}
+
+static void LoadLevel_InitElements(struct LevelInfo *level, char *filename)
+{
+ int i, j, x, y;
+
+ /* map custom element change events that have changed in newer versions
+ (these following values were accidentally changed in version 3.0.1)
+ (this seems to be needed only for 'ab_levelset3' and 'ab_levelset4') */
+ if (level->game_version <= VERSION_IDENT(3,0,0,0))
+ {
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+
+ /* order of checking and copying events to be mapped is important */
+ for (j = CE_BY_OTHER_ACTION; j >= CE_COUNT_AT_ZERO; j--)
+ {
+ if (HAS_CHANGE_EVENT(element, j - 2))
+ {
+ SET_CHANGE_EVENT(element, j - 2, FALSE);
+ SET_CHANGE_EVENT(element, j, TRUE);
+ }
+ }
+
+ /* order of checking and copying events to be mapped is important */
+ for (j = CE_PLAYER_COLLECTS_X; j >= CE_HITTING_SOMETHING; j--)
+ {
+ if (HAS_CHANGE_EVENT(element, j - 1))
+ {
+ SET_CHANGE_EVENT(element, j - 1, FALSE);
+ SET_CHANGE_EVENT(element, j, TRUE);
+ }
+ }
+ }
+ }
+
+ /* initialize "can_change" field for old levels with only one change page */
+ if (level->game_version <= VERSION_IDENT(3,0,2,0))
+ {
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+
+ if (CAN_CHANGE(element))
+ element_info[element].change->can_change = TRUE;
+ }
+ }
+
+ /* correct custom element values (for old levels without these options) */
+ if (level->game_version < VERSION_IDENT(3,1,1,0))
+ {
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+ struct ElementInfo *ei = &element_info[element];
+
+ if (ei->access_direction == MV_NO_MOVING)
+ ei->access_direction = MV_ALL_DIRECTIONS;
+
+ for (j = 0; j < ei->num_change_pages; j++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[j];
+
+ if (change->trigger_side == CH_SIDE_NONE)
+ change->trigger_side = CH_SIDE_ANY;
+ }
+ }
+ }
+
+ /* initialize "can_explode" field for old levels which did not store this */
+ /* !!! CHECK THIS -- "<= 3,1,0,0" IS PROBABLY WRONG !!! */
+ if (level->game_version <= VERSION_IDENT(3,1,0,0))
+ {
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+
+ if (EXPLODES_1X1_OLD(element))
+ element_info[element].explosion_type = EXPLODES_1X1;
+
+ SET_PROPERTY(element, EP_CAN_EXPLODE, (EXPLODES_BY_FIRE(element) ||
+ EXPLODES_SMASHED(element) ||
+ EXPLODES_IMPACT(element)));
+ }
+ }
+
+ /* correct previously hard-coded move delay values for maze runner style */
+ if (level->game_version < VERSION_IDENT(3,1,1,0))
+ {
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+
+ if (element_info[element].move_pattern & MV_MAZE_RUNNER_STYLE)
+ {
+ /* previously hard-coded and therefore ignored */
+ element_info[element].move_delay_fixed = 9;
+ element_info[element].move_delay_random = 0;
+ }
+ }
+ }
+
+ /* map elements that have changed in newer versions */
+ level->amoeba_content = getMappedElementByVersion(level->amoeba_content,
+ level->game_version);
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (x = 0; x < 3; x++)
+ for (y = 0; y < 3; y++)
+ level->yamyam_content[i][x][y] =
+ getMappedElementByVersion(level->yamyam_content[i][x][y],
+ level->game_version);
+
+ /* initialize element properties for level editor etc. */
+ InitElementPropertiesEngine(level->game_version);
+}
+
+static void LoadLevel_InitPlayfield(struct LevelInfo *level, char *filename)
+{
+ int x, y;
+
+ /* map elements that have changed in newer versions */
+ for (y = 0; y < level->fieldy; y++)
+ for (x = 0; x < level->fieldx; x++)
+ level->field[x][y] = getMappedElementByVersion(level->field[x][y],
+ level->game_version);
+
+ /* copy elements to runtime playfield array */
+ for (x = 0; x < MAX_LEV_FIELDX; x++)
+ for (y = 0; y < MAX_LEV_FIELDY; y++)
+ Feld[x][y] = level->field[x][y];
+
+ /* initialize level size variables for faster access */
+ lev_fieldx = level->fieldx;
+ lev_fieldy = level->fieldy;
+
+ /* determine border element for this level */
+ SetBorderElement();
+}
+
+void LoadLevelTemplate(int nr)
+{
+ char *filename;
+
+ setLevelFileInfo(&level_template.file_info, nr);
+ filename = level_template.file_info.filename;
+
+ LoadLevelFromFileInfo(&level_template, &level_template.file_info);
+
+ LoadLevel_InitVersion(&level_template, filename);
+ LoadLevel_InitElements(&level_template, filename);
+
+ ActivateLevelTemplate();
+}
+
+void LoadLevel(int nr)
+{
+ char *filename;
+
+ setLevelFileInfo(&level.file_info, nr);
+ filename = level.file_info.filename;
+
+ LoadLevelFromFileInfo(&level, &level.file_info);
+
+ if (level.use_custom_template)
+ LoadLevelTemplate(-1);
+
+ LoadLevel_InitVersion(&level, filename);
+ LoadLevel_InitElements(&level, filename);
+ LoadLevel_InitPlayfield(&level, filename);
+}
+
+static void SaveLevel_VERS(FILE *file, struct LevelInfo *level)
+{
+ putFileVersion(file, level->file_version);
+ putFileVersion(file, level->game_version);
+}
+
+static void SaveLevel_HEAD(FILE *file, struct LevelInfo *level)
+{
+ int i, x, y;
+
+ putFile8Bit(file, level->fieldx);
+ putFile8Bit(file, level->fieldy);
+
+ putFile16BitBE(file, level->time);
+ putFile16BitBE(file, level->gems_needed);
+
+ for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
+ putFile8Bit(file, level->name[i]);
+
+ for (i = 0; i < LEVEL_SCORE_ELEMENTS; i++)
+ putFile8Bit(file, level->score[i]);
+
+ for (i = 0; i < STD_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ putFile8Bit(file, (level->encoding_16bit_yamyam ? EL_EMPTY :
+ level->yamyam_content[i][x][y]));
+ putFile8Bit(file, level->amoeba_speed);
+ putFile8Bit(file, level->time_magic_wall);
+ putFile8Bit(file, level->time_wheel);
+ putFile8Bit(file, (level->encoding_16bit_amoeba ? EL_EMPTY :
+ level->amoeba_content));
+ putFile8Bit(file, (level->double_speed ? 1 : 0));
+ putFile8Bit(file, (level->initial_gravity ? 1 : 0));
+ putFile8Bit(file, (level->encoding_16bit_field ? 1 : 0));
+ putFile8Bit(file, (level->em_slippery_gems ? 1 : 0));
+
+ putFile8Bit(file, (level->use_custom_template ? 1 : 0));
+
+ putFile8Bit(file, (level->block_last_field ? 1 : 0));
+ putFile8Bit(file, (level->sp_block_last_field ? 1 : 0));
+ putFile32BitBE(file, level->can_move_into_acid_bits);
+ putFile8Bit(file, level->dont_collide_with_bits);
+
+ putFile8Bit(file, (level->use_spring_bug ? 1 : 0));
+ putFile8Bit(file, (level->use_step_counter ? 1 : 0));
+
+ putFile8Bit(file, (level->instant_relocation ? 1 : 0));
+ putFile8Bit(file, (level->can_pass_to_walkable ? 1 : 0));
+ putFile8Bit(file, (level->grow_into_diggable ? 1 : 0));
+
+ putFile8Bit(file, level->game_engine_type);
+
+ WriteUnusedBytesToFile(file, LEVEL_HEADER_UNUSED);
+}
+
+static void SaveLevel_AUTH(FILE *file, struct LevelInfo *level)
+{
+ int i;
+
+ for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
+ putFile8Bit(file, level->author[i]);
+}
+
+static void SaveLevel_BODY(FILE *file, struct LevelInfo *level)
+{
+ int x, y;
+
+ for (y = 0; y < level->fieldy; y++)
+ for (x = 0; x < level->fieldx; x++)
+ if (level->encoding_16bit_field)
+ putFile16BitBE(file, level->field[x][y]);
+ else
+ putFile8Bit(file, level->field[x][y]);
+}
+
+#if 0
+static void SaveLevel_CONT(FILE *file, struct LevelInfo *level)
+{
+ int i, x, y;
+
+ putFile8Bit(file, EL_YAMYAM);
+ putFile8Bit(file, level->num_yamyam_contents);
+ putFile8Bit(file, 0);
+ putFile8Bit(file, 0);
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ if (level->encoding_16bit_field)
+ putFile16BitBE(file, level->yamyam_content[i][x][y]);
+ else
+ putFile8Bit(file, level->yamyam_content[i][x][y]);
+}
+#endif
+
+static void SaveLevel_CNT2(FILE *file, struct LevelInfo *level, int element)
+{
+ int i, x, y;
+ int num_contents, content_xsize, content_ysize;
+ int content_array[MAX_ELEMENT_CONTENTS][3][3];
+
+ if (element == EL_YAMYAM)
+ {
+ num_contents = level->num_yamyam_contents;
+ content_xsize = 3;
+ content_ysize = 3;
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ content_array[i][x][y] = level->yamyam_content[i][x][y];
+ }
+ else if (element == EL_BD_AMOEBA)
+ {
+ num_contents = 1;
+ content_xsize = 1;
+ content_ysize = 1;
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ content_array[i][x][y] = EL_EMPTY;
+ content_array[0][0][0] = level->amoeba_content;
+ }
+ else
+ {
+ /* chunk header already written -- write empty chunk data */
+ WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_SIZE);
+
+ Error(ERR_WARN, "cannot save content for element '%d'", element);
+ return;
+ }
+
+ putFile16BitBE(file, element);
+ putFile8Bit(file, num_contents);
+ putFile8Bit(file, content_xsize);
+ putFile8Bit(file, content_ysize);
+
+ WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT2_UNUSED);
+
+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ putFile16BitBE(file, content_array[i][x][y]);
+}
+
+static void SaveLevel_CNT3(FILE *file, struct LevelInfo *level, int element)
+{
+ int i;
+ int envelope_nr = element - EL_ENVELOPE_1;
+ int envelope_len = strlen(level->envelope_text[envelope_nr]) + 1;
+
+ putFile16BitBE(file, element);
+ putFile16BitBE(file, envelope_len);
+ putFile8Bit(file, level->envelope_xsize[envelope_nr]);
+ putFile8Bit(file, level->envelope_ysize[envelope_nr]);
+
+ WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT3_UNUSED);
+
+ for (i = 0; i < envelope_len; i++)
+ putFile8Bit(file, level->envelope_text[envelope_nr][i]);
+}
+
+#if 0
+static void SaveLevel_CUS1(FILE *file, struct LevelInfo *level,
+ int num_changed_custom_elements)
+{
+ int i, check = 0;
+
+ putFile16BitBE(file, num_changed_custom_elements);
+
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+
+ if (Properties[element][EP_BITFIELD_BASE] != EP_BITMASK_DEFAULT)
+ {
+ if (check < num_changed_custom_elements)
+ {
+ putFile16BitBE(file, element);
+ putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE]);
+ }
+
+ check++;
+ }
+ }
+
+ if (check != num_changed_custom_elements) /* should not happen */
+ Error(ERR_WARN, "inconsistent number of custom element properties");
+}
+#endif
+
+#if 0
+static void SaveLevel_CUS2(FILE *file, struct LevelInfo *level,
+ int num_changed_custom_elements)
+{
+ int i, check = 0;
+
+ putFile16BitBE(file, num_changed_custom_elements);
+
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+
+ if (element_info[element].change->target_element != EL_EMPTY_SPACE)
+ {
+ if (check < num_changed_custom_elements)
+ {
+ putFile16BitBE(file, element);
+ putFile16BitBE(file, element_info[element].change->target_element);
+ }
+
+ check++;
+ }
+ }
+
+ if (check != num_changed_custom_elements) /* should not happen */
+ Error(ERR_WARN, "inconsistent number of custom target elements");
+}
+#endif
+
+#if 0
+static void SaveLevel_CUS3(FILE *file, struct LevelInfo *level,
+ int num_changed_custom_elements)
+{
+ int i, j, x, y, check = 0;
+
+ putFile16BitBE(file, num_changed_custom_elements);
+
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+
+ if (element_info[element].modified_settings)
+ {
+ if (check < num_changed_custom_elements)
+ {
+ putFile16BitBE(file, element);
+
+ for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
+ putFile8Bit(file, element_info[element].description[j]);
+
+ putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE]);
+
+ /* some free bytes for future properties and padding */
+ WriteUnusedBytesToFile(file, 7);
+
+ putFile8Bit(file, element_info[element].use_gfx_element);
+ putFile16BitBE(file, element_info[element].gfx_element);
+
+ putFile8Bit(file, element_info[element].collect_score);
+ putFile8Bit(file, element_info[element].collect_count);
+
+ putFile16BitBE(file, element_info[element].push_delay_fixed);
+ putFile16BitBE(file, element_info[element].push_delay_random);
+ putFile16BitBE(file, element_info[element].move_delay_fixed);
+ putFile16BitBE(file, element_info[element].move_delay_random);
+
+ putFile16BitBE(file, element_info[element].move_pattern);
+ putFile8Bit(file, element_info[element].move_direction_initial);
+ putFile8Bit(file, element_info[element].move_stepsize);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ putFile16BitBE(file, element_info[element].content[x][y]);
+
+ putFile32BitBE(file, element_info[element].change->events);
+
+ putFile16BitBE(file, element_info[element].change->target_element);
+
+ putFile16BitBE(file, element_info[element].change->delay_fixed);
+ putFile16BitBE(file, element_info[element].change->delay_random);
+ putFile16BitBE(file, element_info[element].change->delay_frames);
+
+ putFile16BitBE(file, element_info[element].change->trigger_element);
+
+ putFile8Bit(file, element_info[element].change->explode);
+ putFile8Bit(file, element_info[element].change->use_target_content);
+ putFile8Bit(file, element_info[element].change->only_if_complete);
+ putFile8Bit(file, element_info[element].change->use_random_replace);
+
+ putFile8Bit(file, element_info[element].change->random_percentage);
+ putFile8Bit(file, element_info[element].change->replace_when);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ putFile16BitBE(file, element_info[element].change->content[x][y]);
+
+ putFile8Bit(file, element_info[element].slippery_type);
+
+ /* some free bytes for future properties and padding */
+ WriteUnusedBytesToFile(file, LEVEL_CPART_CUS3_UNUSED);
+ }
+
+ check++;
+ }
+ }
+
+ if (check != num_changed_custom_elements) /* should not happen */
+ Error(ERR_WARN, "inconsistent number of custom element properties");
+}
+#endif
+
+static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
+{
+ struct ElementInfo *ei = &element_info[element];
+ int i, j, x, y;
+
+ putFile16BitBE(file, element);
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ putFile8Bit(file, ei->description[i]);
+
+ putFile32BitBE(file, Properties[element][EP_BITFIELD_BASE]);
+ WriteUnusedBytesToFile(file, 4); /* reserved for more base properties */
+
+ putFile8Bit(file, ei->num_change_pages);
+
+ /* some free bytes for future base property values and padding */
+ WriteUnusedBytesToFile(file, 5);
+
+ /* write custom property values */
+
+ putFile8Bit(file, ei->use_gfx_element);
+ putFile16BitBE(file, ei->gfx_element);
+
+ putFile8Bit(file, ei->collect_score);
+ putFile8Bit(file, ei->collect_count);
+
+ putFile8Bit(file, ei->drop_delay_fixed);
+ putFile8Bit(file, ei->push_delay_fixed);
+ putFile8Bit(file, ei->drop_delay_random);
+ putFile8Bit(file, ei->push_delay_random);
+ putFile16BitBE(file, ei->move_delay_fixed);
+ putFile16BitBE(file, ei->move_delay_random);
+
+ /* bits 0 - 15 of "move_pattern" ... */
+ putFile16BitBE(file, ei->move_pattern & 0xffff);
+ putFile8Bit(file, ei->move_direction_initial);
+ putFile8Bit(file, ei->move_stepsize);
+
+ putFile8Bit(file, ei->slippery_type);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ putFile16BitBE(file, ei->content[x][y]);
+
+ putFile16BitBE(file, ei->move_enter_element);
+ putFile16BitBE(file, ei->move_leave_element);
+ putFile8Bit(file, ei->move_leave_type);
+
+ /* ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible) */
+ putFile16BitBE(file, (ei->move_pattern >> 16) & 0xffff);
+
+ putFile8Bit(file, ei->access_direction);
+
+ putFile8Bit(file, ei->explosion_delay);
+ putFile8Bit(file, ei->ignition_delay);
+ putFile8Bit(file, ei->explosion_type);
+
+ /* some free bytes for future custom property values and padding */
+ WriteUnusedBytesToFile(file, 1);
+
+ /* write change property values */
+
+ for (i = 0; i < ei->num_change_pages; i++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[i];
+ unsigned long event_bits = 0;
+
+ for (j = 0; j < NUM_CHANGE_EVENTS; j++)
+ if (change->has_event[j])
+ event_bits |= (1 << j);
+
+ putFile32BitBE(file, event_bits);
+
+ putFile16BitBE(file, change->target_element);
+
+ putFile16BitBE(file, change->delay_fixed);
+ putFile16BitBE(file, change->delay_random);
+ putFile16BitBE(file, change->delay_frames);
+
+ putFile16BitBE(file, change->trigger_element);
+
+ putFile8Bit(file, change->explode);
+ putFile8Bit(file, change->use_target_content);
+ putFile8Bit(file, change->only_if_complete);
+ putFile8Bit(file, change->use_random_replace);
+
+ putFile8Bit(file, change->random_percentage);
+ putFile8Bit(file, change->replace_when);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ putFile16BitBE(file, change->target_content[x][y]);
+
+ putFile8Bit(file, change->can_change);
+
+ putFile8Bit(file, change->trigger_side);
+
+ putFile8Bit(file, change->trigger_player);
+ putFile8Bit(file, (change->trigger_page == CH_PAGE_ANY ? CH_PAGE_ANY_FILE :
+ log_2(change->trigger_page)));
+
+ putFile8Bit(file, change->has_action);
+ putFile8Bit(file, change->action_type);
+ putFile8Bit(file, change->action_mode);
+ putFile16BitBE(file, change->action_arg);
+
+ /* some free bytes for future change property values and padding */
+ WriteUnusedBytesToFile(file, 1);
+ }
+}
+
+static void SaveLevel_GRP1(FILE *file, struct LevelInfo *level, int element)
+{
+ struct ElementInfo *ei = &element_info[element];
+ struct ElementGroupInfo *group = ei->group;
+ int i;
+
+ putFile16BitBE(file, element);
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ putFile8Bit(file, ei->description[i]);
+
+ putFile8Bit(file, group->num_elements);
+
+ putFile8Bit(file, ei->use_gfx_element);
+ putFile16BitBE(file, ei->gfx_element);
+
+ putFile8Bit(file, group->choice_mode);
+
+ /* some free bytes for future values and padding */
+ WriteUnusedBytesToFile(file, 3);
+
+ for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
+ putFile16BitBE(file, group->element[i]);
+}
+
+static void SaveLevelFromFilename(struct LevelInfo *level, char *filename)
+{
+ int body_chunk_size;
+ int i, x, y;
+ FILE *file;
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot save level file '%s'", filename);
+ return;
+ }
+
+ 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);
+
+ 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);
+ }
+
+ /* check for envelope content */
+ for (i = 0; i < 4; i++)
+ {
+ if (strlen(level->envelope_text[i]) > 0)
+ {
+ int envelope_len = strlen(level->envelope_text[i]) + 1;
+
+ putFileChunkBE(file, "CNT3", LEVEL_CHUNK_CNT3_SIZE(envelope_len));
+ SaveLevel_CNT3(file, level, EL_ENVELOPE_1 + i);
+ }
+ }
+
+ /* check for non-default custom elements (unless using template level) */
+ if (!level->use_custom_template)
+ {
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+
+ if (element_info[element].modified_settings)
+ {
+ int num_change_pages = element_info[element].num_change_pages;
+
+ putFileChunkBE(file, "CUS4", LEVEL_CHUNK_CUS4_SIZE(num_change_pages));
+ SaveLevel_CUS4(file, level, element);
+ }
+ }
+ }
+
+ /* check for non-default group elements (unless using template level) */
+ if (!level->use_custom_template)
+ {
+ for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
+ {
+ int element = EL_GROUP_START + i;
+
+ if (element_info[element].modified_settings)
+ {
+ putFileChunkBE(file, "GRP1", LEVEL_CHUNK_GRP1_SIZE);
+ SaveLevel_GRP1(file, level, element);
+ }
+ }
+ }
+
+ fclose(file);
+
+ SetFilePermissions(filename, PERMS_PRIVATE);
+}
+
+void SaveLevel(int nr)
+{
+ char *filename = getDefaultLevelFilename(nr);
+
+ SaveLevelFromFilename(&level, filename);
+}
+
+void SaveLevelTemplate()
+{
+ char *filename = getDefaultLevelFilename(-1);
+
+ SaveLevelFromFilename(&level, filename);
+}
+
+void DumpLevel(struct LevelInfo *level)
+{
+ if (level->no_valid_file)
+ {
+ Error(ERR_WARN, "cannot dump -- no valid level file found");
+
+ return;
+ }
+
+ 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("Initial gravity: %s\n", (level->initial_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("Player blocks last field: %s\n", (level->block_last_field ? "yes" : "no"));
+ printf("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
+ printf("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
+ printf("use step counter: %s\n", (level->use_step_counter ? "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;
+
+ tape.no_valid_file = FALSE;
+}
+
+static int LoadTape_VERS(FILE *file, int chunk_size, struct TapeInfo *tape)
+{
+ tape->file_version = getFileVersion(file);