+ level->envelope[envelope_nr].xsize = getFile8Bit(file);
+ level->envelope[envelope_nr].ysize = getFile8Bit(file);
+
+ ReadUnusedBytesFromFile(file, LEVEL_CHUNK_CNT3_UNUSED);
+
+ chunk_size_expected = LEVEL_CHUNK_CNT3_SIZE(envelope_len);
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - LEVEL_CHUNK_CNT3_HEADER);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < envelope_len; i++)
+ level->envelope[envelope_nr].text[i] = getFile8Bit(file);
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS1(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = 2 + num_changed_custom_elements * 6;
+ int i;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+ int properties = getFile32BitBE(file);
+
+ if (IS_CUSTOM_ELEMENT(element))
+ element_info[element].properties[EP_BITFIELD_BASE_NR] = properties;
+ else
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ /* older game versions that wrote level files with CUS1 chunks used
+ different default push delay values (not yet stored in level file) */
+ element_info[element].push_delay_fixed = 2;
+ element_info[element].push_delay_random = 8;
+ }
+
+ level->file_has_custom_elements = TRUE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS2(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = 2 + num_changed_custom_elements * 4;
+ int i;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+ int custom_target_element = getMappedElement(getFile16BitBE(file));
+
+ if (IS_CUSTOM_ELEMENT(element))
+ element_info[element].change->target_element = custom_target_element;
+ else
+ Error(ERR_WARN, "invalid custom element number %d", element);
+ }
+
+ level->file_has_custom_elements = TRUE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS3(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int num_changed_custom_elements = getFile16BitBE(file);
+ int chunk_size_expected = LEVEL_CHUNK_CUS3_SIZE(num_changed_custom_elements);
+ int i, j, x, y;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < num_changed_custom_elements; i++)
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+ struct ElementInfo *ei = &element_info[element];
+ unsigned int event_bits;
+
+ if (!IS_CUSTOM_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ element = EL_INTERNAL_DUMMY;
+ }
+
+ for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
+ ei->description[j] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
+
+ /* some free bytes for future properties and padding */
+ ReadUnusedBytesFromFile(file, 7);
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
+
+ ei->collect_score_initial = getFile8Bit(file);
+ ei->collect_count_initial = getFile8Bit(file);
+
+ ei->push_delay_fixed = getFile16BitBE(file);
+ ei->push_delay_random = getFile16BitBE(file);
+ ei->move_delay_fixed = getFile16BitBE(file);
+ ei->move_delay_random = getFile16BitBE(file);
+
+ ei->move_pattern = getFile16BitBE(file);
+ ei->move_direction_initial = getFile8Bit(file);
+ ei->move_stepsize = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
+
+ event_bits = getFile32BitBE(file);
+ for (j = 0; j < NUM_CHANGE_EVENTS; j++)
+ if (event_bits & (1 << j))
+ ei->change->has_event[j] = TRUE;
+
+ ei->change->target_element = getMappedElement(getFile16BitBE(file));
+
+ ei->change->delay_fixed = getFile16BitBE(file);
+ ei->change->delay_random = getFile16BitBE(file);
+ ei->change->delay_frames = getFile16BitBE(file);
+
+ ei->change->initial_trigger_element= getMappedElement(getFile16BitBE(file));
+
+ ei->change->explode = getFile8Bit(file);
+ ei->change->use_target_content = getFile8Bit(file);
+ ei->change->only_if_complete = getFile8Bit(file);
+ ei->change->use_random_replace = getFile8Bit(file);
+
+ ei->change->random_percentage = getFile8Bit(file);
+ ei->change->replace_when = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei->change->target_content.e[x][y] =
+ getMappedElement(getFile16BitBE(file));
+
+ ei->slippery_type = getFile8Bit(file);
+
+ /* some free bytes for future properties and padding */
+ ReadUnusedBytesFromFile(file, LEVEL_CPART_CUS3_UNUSED);
+
+ /* mark that this custom element has been modified */
+ ei->modified_settings = TRUE;
+ }
+
+ level->file_has_custom_elements = TRUE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_CUS4(File *file, int chunk_size, struct LevelInfo *level)
+{
+ struct ElementInfo *ei;
+ int chunk_size_expected;
+ int element;
+ int i, j, x, y;
+
+ /* ---------- custom element base property values (96 bytes) ------------- */
+
+ element = getMappedElement(getFile16BitBE(file));
+
+ if (!IS_CUSTOM_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size;
+ }
+
+ ei = &element_info[element];
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ ei->description[i] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ ei->properties[EP_BITFIELD_BASE_NR] = getFile32BitBE(file);
+
+ ReadUnusedBytesFromFile(file, 4); /* reserved for more base properties */
+
+ ei->num_change_pages = getFile8Bit(file);
+
+ chunk_size_expected = LEVEL_CHUNK_CUS4_SIZE(ei->num_change_pages);
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 43);
+ return chunk_size_expected;
+ }
+
+ ei->ce_value_fixed_initial = getFile16BitBE(file);
+ ei->ce_value_random_initial = getFile16BitBE(file);
+ ei->use_last_ce_value = getFile8Bit(file);
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
+
+ ei->collect_score_initial = getFile8Bit(file);
+ ei->collect_count_initial = getFile8Bit(file);
+
+ ei->drop_delay_fixed = getFile8Bit(file);
+ ei->push_delay_fixed = getFile8Bit(file);
+ ei->drop_delay_random = getFile8Bit(file);
+ ei->push_delay_random = getFile8Bit(file);
+ ei->move_delay_fixed = getFile16BitBE(file);
+ ei->move_delay_random = getFile16BitBE(file);
+
+ /* bits 0 - 15 of "move_pattern" ... */
+ ei->move_pattern = getFile16BitBE(file);
+ ei->move_direction_initial = getFile8Bit(file);
+ ei->move_stepsize = getFile8Bit(file);
+
+ ei->slippery_type = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei->content.e[x][y] = getMappedElement(getFile16BitBE(file));
+
+ ei->move_enter_element = getMappedElement(getFile16BitBE(file));
+ ei->move_leave_element = getMappedElement(getFile16BitBE(file));
+ ei->move_leave_type = getFile8Bit(file);
+
+ /* ... bits 16 - 31 of "move_pattern" (not nice, but downward compatible) */
+ ei->move_pattern |= (getFile16BitBE(file) << 16);
+
+ ei->access_direction = getFile8Bit(file);
+
+ ei->explosion_delay = getFile8Bit(file);
+ ei->ignition_delay = getFile8Bit(file);
+ ei->explosion_type = getFile8Bit(file);
+
+ /* some free bytes for future custom property values and padding */
+ ReadUnusedBytesFromFile(file, 1);
+
+ /* ---------- change page property values (48 bytes) --------------------- */
+
+ setElementChangePages(ei, ei->num_change_pages);
+
+ for (i = 0; i < ei->num_change_pages; i++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[i];
+ unsigned int event_bits;
+
+ /* always start with reliable default values */
+ setElementChangeInfoToDefaults(change);
+
+ /* bits 0 - 31 of "has_event[]" ... */
+ event_bits = getFile32BitBE(file);
+ for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); j++)
+ if (event_bits & (1 << j))
+ change->has_event[j] = TRUE;
+
+ change->target_element = getMappedElement(getFile16BitBE(file));
+
+ change->delay_fixed = getFile16BitBE(file);
+ change->delay_random = getFile16BitBE(file);
+ change->delay_frames = getFile16BitBE(file);
+
+ change->initial_trigger_element = getMappedElement(getFile16BitBE(file));
+
+ change->explode = getFile8Bit(file);
+ change->use_target_content = getFile8Bit(file);
+ change->only_if_complete = getFile8Bit(file);
+ change->use_random_replace = getFile8Bit(file);
+
+ change->random_percentage = getFile8Bit(file);
+ change->replace_when = getFile8Bit(file);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ change->target_content.e[x][y]= getMappedElement(getFile16BitBE(file));
+
+ change->can_change = getFile8Bit(file);
+
+ change->trigger_side = getFile8Bit(file);
+
+ change->trigger_player = getFile8Bit(file);
+ change->trigger_page = getFile8Bit(file);
+
+ change->trigger_page = (change->trigger_page == CH_PAGE_ANY_FILE ?
+ CH_PAGE_ANY : (1 << change->trigger_page));
+
+ change->has_action = getFile8Bit(file);
+ change->action_type = getFile8Bit(file);
+ change->action_mode = getFile8Bit(file);
+ change->action_arg = getFile16BitBE(file);
+
+ /* ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible) */
+ event_bits = getFile8Bit(file);
+ for (j = 32; j < NUM_CHANGE_EVENTS; j++)
+ if (event_bits & (1 << (j - 32)))
+ change->has_event[j] = TRUE;
+ }
+
+ /* mark this custom element as modified */
+ ei->modified_settings = TRUE;
+
+ level->file_has_custom_elements = TRUE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_GRP1(File *file, int chunk_size, struct LevelInfo *level)
+{
+ struct ElementInfo *ei;
+ struct ElementGroupInfo *group;
+ int element;
+ int i;
+
+ element = getMappedElement(getFile16BitBE(file));
+
+ if (!IS_GROUP_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid group element number %d", element);
+
+ ReadUnusedBytesFromFile(file, chunk_size - 2);
+ return chunk_size;
+ }
+
+ ei = &element_info[element];
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ ei->description[i] = getFile8Bit(file);
+ ei->description[MAX_ELEMENT_NAME_LEN] = 0;
+
+ group = element_info[element].group;
+
+ group->num_elements = getFile8Bit(file);
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element_initial = getMappedElement(getFile16BitBE(file));
+
+ group->choice_mode = getFile8Bit(file);
+
+ /* some free bytes for future values and padding */
+ ReadUnusedBytesFromFile(file, 3);
+
+ for (i = 0; i < MAX_ELEMENTS_IN_GROUP; i++)
+ group->element[i] = getMappedElement(getFile16BitBE(file));
+
+ /* mark this group element as modified */
+ element_info[element].modified_settings = TRUE;
+
+ level->file_has_custom_elements = TRUE;
+
+ return chunk_size;
+}
+
+static int LoadLevel_MicroChunk(File *file, struct LevelFileConfigInfo *conf,
+ int element, int real_element)
+{
+ int micro_chunk_size = 0;
+ int conf_type = getFile8Bit(file);
+ int byte_mask = conf_type & CONF_MASK_BYTES;
+ boolean element_found = FALSE;
+ int i;
+
+ micro_chunk_size += 1;
+
+ if (byte_mask == CONF_MASK_MULTI_BYTES)
+ {
+ int num_bytes = getFile16BitBE(file);
+ byte *buffer = checked_malloc(num_bytes);
+
+ ReadBytesFromFile(file, buffer, num_bytes);
+
+ for (i = 0; conf[i].data_type != -1; i++)
+ {
+ if (conf[i].element == element &&
+ conf[i].conf_type == conf_type)
+ {
+ int data_type = conf[i].data_type;
+ int num_entities = num_bytes / CONF_ENTITY_NUM_BYTES(data_type);
+ int max_num_entities = conf[i].max_num_entities;
+
+ if (num_entities > max_num_entities)
+ {
+ Error(ERR_WARN,
+ "truncating number of entities for element %d from %d to %d",
+ element, num_entities, max_num_entities);
+
+ num_entities = max_num_entities;
+ }
+
+ if (num_entities == 0 && (data_type == TYPE_ELEMENT_LIST ||
+ data_type == TYPE_CONTENT_LIST))
+ {
+ /* for element and content lists, zero entities are not allowed */
+ Error(ERR_WARN, "found empty list of entities for element %d",
+ element);
+
+ /* do not set "num_entities" here to prevent reading behind buffer */
+
+ *(int *)(conf[i].num_entities) = 1; /* at least one is required */
+ }
+ else
+ {
+ *(int *)(conf[i].num_entities) = num_entities;
+ }
+
+ element_found = TRUE;
+
+ if (data_type == TYPE_STRING)
+ {
+ char *string = (char *)(conf[i].value);
+ int j;
+
+ for (j = 0; j < max_num_entities; j++)
+ string[j] = (j < num_entities ? buffer[j] : '\0');
+ }
+ else if (data_type == TYPE_ELEMENT_LIST)
+ {
+ int *element_array = (int *)(conf[i].value);
+ int j;
+
+ for (j = 0; j < num_entities; j++)
+ element_array[j] =
+ getMappedElement(CONF_ELEMENTS_ELEMENT(buffer, j));
+ }
+ else if (data_type == TYPE_CONTENT_LIST)
+ {
+ struct Content *content= (struct Content *)(conf[i].value);
+ int c, x, y;
+
+ for (c = 0; c < num_entities; c++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ content[c].e[x][y] =
+ getMappedElement(CONF_CONTENTS_ELEMENT(buffer, c, x, y));
+ }
+ else
+ element_found = FALSE;
+
+ break;
+ }
+ }
+
+ checked_free(buffer);
+
+ micro_chunk_size += 2 + num_bytes;
+ }
+ else /* constant size configuration data (1, 2 or 4 bytes) */
+ {
+ int value = (byte_mask == CONF_MASK_1_BYTE ? getFile8Bit (file) :
+ byte_mask == CONF_MASK_2_BYTE ? getFile16BitBE(file) :
+ byte_mask == CONF_MASK_4_BYTE ? getFile32BitBE(file) : 0);
+
+ for (i = 0; conf[i].data_type != -1; i++)
+ {
+ if (conf[i].element == element &&
+ conf[i].conf_type == conf_type)
+ {
+ int data_type = conf[i].data_type;
+
+ if (data_type == TYPE_ELEMENT)
+ value = getMappedElement(value);
+
+ if (data_type == TYPE_BOOLEAN)
+ *(boolean *)(conf[i].value) = value;
+ else
+ *(int *) (conf[i].value) = value;
+
+ element_found = TRUE;
+
+ break;
+ }
+ }
+
+ micro_chunk_size += CONF_VALUE_NUM_BYTES(byte_mask);
+ }
+
+ if (!element_found)
+ {
+ char *error_conf_chunk_bytes =
+ (byte_mask == CONF_MASK_1_BYTE ? "CONF_VALUE_8_BIT" :
+ byte_mask == CONF_MASK_2_BYTE ? "CONF_VALUE_16_BIT" :
+ byte_mask == CONF_MASK_4_BYTE ? "CONF_VALUE_32_BIT" :"CONF_VALUE_BYTES");
+ int error_conf_chunk_token = conf_type & CONF_MASK_TOKEN;
+ int error_element = real_element;
+
+ Error(ERR_WARN, "cannot load micro chunk '%s(%d)' value for element %d ['%s']",
+ error_conf_chunk_bytes, error_conf_chunk_token,
+ error_element, EL_NAME(error_element));
+ }
+
+ return micro_chunk_size;
+}
+
+static int LoadLevel_INFO(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int real_chunk_size = 0;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ while (!checkEndOfFile(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_INFO, -1, -1);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *level = li; /* copy temporary buffer back to level data */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_CONF(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int real_chunk_size = 0;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ while (!checkEndOfFile(file))
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+
+ real_chunk_size += 2;
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CONF,
+ element, element);
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *level = li; /* copy temporary buffer back to level data */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_ELEM(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int real_chunk_size = 0;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ while (!checkEndOfFile(file))
+ {
+ int element = getMappedElement(getFile16BitBE(file));
+
+ real_chunk_size += 2;
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_ELEM,
+ element, element);
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *level = li; /* copy temporary buffer back to level data */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_NOTE(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int element = getMappedElement(getFile16BitBE(file));
+ int envelope_nr = element - EL_ENVELOPE_1;
+ int real_chunk_size = 2;
+
+ xx_envelope = level->envelope[envelope_nr]; /* copy into temporary buffer */
+
+ while (!checkEndOfFile(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_NOTE,
+ -1, element);
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ level->envelope[envelope_nr] = xx_envelope; /* copy from temporary buffer */
+
+ return real_chunk_size;
+}
+
+static int LoadLevel_CUSX(File *file, int chunk_size, struct LevelInfo *level)
+{
+ int element = getMappedElement(getFile16BitBE(file));
+ int real_chunk_size = 2;
+ struct ElementInfo *ei = &element_info[element];
+ int i;
+
+ xx_ei = *ei; /* copy element data into temporary buffer */
+
+ xx_ei.num_change_pages = -1;
+
+ while (!checkEndOfFile(file))
+ {
+ real_chunk_size += LoadLevel_MicroChunk(file, chunk_config_CUSX_base,
+ -1, element);
+ if (xx_ei.num_change_pages != -1)
+ break;
+
+ if (real_chunk_size >= chunk_size)
+ break;
+ }
+
+ *ei = xx_ei;
+
+ if (ei->num_change_pages == -1)
+ {
+ Error(ERR_WARN, "LoadLevel_CUSX(): missing 'num_change_pages' for '%s'",
+ EL_NAME(element));
+
+ ei->num_change_pages = 1;
+
+ setElementChangePages(ei, 1);
+ setElementChangeInfoToDefaults(ei->change);
+
+ return real_chunk_size;
+ }
+
+ /* initialize number of change pages stored for this custom element */
+ setElementChangePages(ei, ei->num_change_pages);
+ 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 */
+/* ------------------------------------------------------------------------- */
+
+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;
+ }
+}
+
+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 */
+/* ------------------------------------------------------------------------- */
+
+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;
+ }
+ }
+}
+
+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();
+
+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 */
+/* ------------------------------------------------------------------------- */
+
+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]);
+}
+
+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
+
+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;
+}
+
+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 */
+ level_file_info.filename = filename;
+
+ LoadLevelFromFileInfo(level, &level_file_info, FALSE);
+}
+
+static void LoadLevel_InitVersion(struct LevelInfo *level, char *filename)
+{
+ 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;
+ }
+
+ /* 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))
+ {
+ /* 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;
+ }
+ }
+ }
+
+ /* try to detect and fix "Snake Bite" levels, which are broken with 3.2.0 */
+ {
+ int element = EL_CUSTOM_256;
+ struct ElementInfo *ei = &element_info[element];
+ struct ElementChangeInfo *change = &ei->change_page[0];
+
+ /* This is needed to fix a problem that was caused by a bugfix in function
+ game.c/CreateFieldExt() introduced with 3.2.0 that corrects the behaviour
+ when a custom element changes to EL_SOKOBAN_FIELD_PLAYER (before, it did
+ not replace walkable elements, but instead just placed the player on it,
+ without placing the Sokoban field under the player). Unfortunately, this
+ breaks "Snake Bite" style levels when the snake is halfway through a door
+ that just closes (the snake head is still alive and can be moved in this
+ case). This can be fixed by replacing the EL_SOKOBAN_FIELD_PLAYER by the
+ player (without Sokoban element) which then gets killed as designed). */
+
+ if ((strncmp(leveldir_current->identifier, "snake_bite", 10) == 0 ||
+ strncmp(ei->description, "pause b4 death", 14) == 0) &&
+ change->target_element == EL_SOKOBAN_FIELD_PLAYER)
+ change->target_element = EL_PLAYER_1;
+ }
+
+ /* try to detect and fix "Zelda" style levels, which are broken with 3.2.5 */
+ if (level->game_version < VERSION_IDENT(3,2,5,0))
+ {
+ /* This is needed to fix a problem that was caused by a bugfix in function
+ game.c/CheckTriggeredElementChangeExt() introduced with 3.2.5 that
+ corrects the behaviour when a custom element changes to another custom
+ element with a higher element number that has change actions defined.
+ Normally, only one change per frame is allowed for custom elements.
+ Therefore, it is checked if a custom element already changed in the
+ current frame; if it did, subsequent changes are suppressed.
+ Unfortunately, this is only checked for element changes, but not for
+ change actions, which are still executed. As the function above loops
+ through all custom elements from lower to higher, an element change
+ resulting in a lower CE number won't be checked again, while a target
+ element with a higher number will also be checked, and potential change
+ actions will get executed for this CE, too (which is wrong), while
+ further changes are ignored (which is correct). As this bugfix breaks
+ Zelda II (and introduces graphical bugs to Zelda I, and also breaks a
+ few other levels like Alan Bond's "FMV"), allow the previous, incorrect
+ behaviour for existing levels and tapes that make use of this bug */
+
+ level->use_action_after_change_bug = TRUE;
+ }
+
+ /* not centering level after relocating player was default only in 3.2.3 */
+ if (level->game_version == VERSION_IDENT(3,2,3,0)) /* (no pre-releases) */
+ level->shifted_relocation = TRUE;
+
+ /* EM style elements always chain-exploded in R'n'D engine before 3.2.6 */
+ if (level->game_version < VERSION_IDENT(3,2,6,0))
+ level->em_explodes_by_fire = TRUE;
+}
+
+static void LoadLevel_InitStandardElements(struct LevelInfo *level)
+{
+ int i, x, y;
+
+ /* 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].e[x][y] =
+ getMappedElementByVersion(level->yamyam_content[i].e[x][y],
+ level->game_version);
+
+}
+
+static void LoadLevel_InitCustomElements(struct LevelInfo *level)
+{
+ int i, j;
+
+ /* 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 */
+ /* (do not change the start and end value -- they are constant) */
+ for (j = CE_BY_OTHER_ACTION; j >= CE_VALUE_GETS_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 */
+ /* (do not change the start and end value -- they are constant) */
+ 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_DIRECTION)
+ ei->access_direction = MV_ALL_DIRECTIONS;
+ }
+ }
+
+ /* correct custom element values (fix invalid values for all versions) */
+ if (1)
+ {
+ 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];
+
+ if (change->trigger_player == CH_PLAYER_NONE)
+ change->trigger_player = CH_PLAYER_ANY;
+
+ 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;
+ }
+ }
+ }
+
+ /* set some other uninitialized values of custom elements in older levels */
+ if (level->game_version < VERSION_IDENT(3,1,0,0))
+ {
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+
+ element_info[element].access_direction = MV_ALL_DIRECTIONS;
+
+ element_info[element].explosion_delay = 17;
+ element_info[element].ignition_delay = 8;
+ }
+ }
+}
+
+static void LoadLevel_InitElements(struct LevelInfo *level, char *filename)
+{
+ LoadLevel_InitStandardElements(level);
+
+ if (level->file_has_custom_elements)
+ LoadLevel_InitCustomElements(level);
+
+ /* initialize element properties for level editor etc. */
+ InitElementPropertiesEngine(level->game_version);
+ InitElementPropertiesGfxElement();
+}
+
+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);
+
+ /* clear unused playfield data (nicer if level gets resized in editor) */
+ for (x = 0; x < MAX_LEV_FIELDX; x++)
+ for (y = 0; y < MAX_LEV_FIELDY; y++)
+ if (x >= level->fieldx || y >= level->fieldy)
+ level->field[x][y] = EL_EMPTY;
+
+ /* 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 */
+ if (level->file_info.type == LEVEL_FILE_TYPE_DC)
+ BorderElement = EL_EMPTY; /* (in editor, SetBorderElement() is used) */
+ else
+ SetBorderElement();
+}
+
+static void LoadLevel_InitNativeEngines(struct LevelInfo *level,char *filename)
+{
+ struct LevelFileInfo *level_file_info = &level->file_info;
+
+ if (level_file_info->type == LEVEL_FILE_TYPE_RND)
+ CopyNativeLevel_RND_to_Native(level);
+}
+
+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, FALSE);
+
+ 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, FALSE);
+
+ if (level.use_custom_template)
+ LoadLevelTemplate(-1);
+
+ LoadLevel_InitVersion(&level, filename);
+ LoadLevel_InitElements(&level, filename);
+ LoadLevel_InitPlayfield(&level, filename);
+
+ LoadLevel_InitNativeEngines(&level, filename);
+}
+
+void LoadLevelInfoOnly(int nr)
+{
+ setLevelFileInfo(&level.file_info, nr);
+
+ LoadLevelFromFileInfo(&level, &level.file_info, TRUE);
+}
+
+static int SaveLevel_VERS(FILE *file, struct LevelInfo *level)
+{
+ int chunk_size = 0;
+
+ chunk_size += putFileVersion(file, level->file_version);
+ chunk_size += putFileVersion(file, level->game_version);
+
+ return chunk_size;
+}
+
+static int SaveLevel_DATE(FILE *file, struct LevelInfo *level)
+{
+ int chunk_size = 0;
+
+ chunk_size += putFile16BitBE(file, level->creation_date.year);
+ chunk_size += putFile8Bit(file, level->creation_date.month);
+ chunk_size += putFile8Bit(file, level->creation_date.day);
+
+ return chunk_size;
+}
+
+#if ENABLE_HISTORIC_CHUNKS
+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].e[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->initial_player_stepsize == STEPSIZE_FAST ? 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_CHUNK_HEAD_UNUSED);
+}
+#endif
+
+static int SaveLevel_NAME(FILE *file, struct LevelInfo *level)
+{
+ int chunk_size = 0;
+ int i;
+
+ for (i = 0; i < MAX_LEVEL_NAME_LEN; i++)
+ chunk_size += putFile8Bit(file, level->name[i]);
+
+ return chunk_size;
+}
+
+static int SaveLevel_AUTH(FILE *file, struct LevelInfo *level)
+{
+ int chunk_size = 0;
+ int i;
+
+ for (i = 0; i < MAX_LEVEL_AUTHOR_LEN; i++)
+ chunk_size += putFile8Bit(file, level->author[i]);
+
+ return chunk_size;
+}
+
+#if ENABLE_HISTORIC_CHUNKS
+static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
+{
+ int chunk_size = 0;
+ int x, y;
+
+ for (y = 0; y < level->fieldy; y++)
+ for (x = 0; x < level->fieldx; x++)
+ if (level->encoding_16bit_field)
+ chunk_size += putFile16BitBE(file, level->field[x][y]);
+ else
+ chunk_size += putFile8Bit(file, level->field[x][y]);
+
+ return chunk_size;
+}
+#endif
+
+static int SaveLevel_BODY(FILE *file, struct LevelInfo *level)
+{
+ int chunk_size = 0;
+ int x, y;
+
+ for (y = 0; y < level->fieldy; y++)
+ for (x = 0; x < level->fieldx; x++)
+ chunk_size += putFile16BitBE(file, level->field[x][y]);
+
+ return chunk_size;
+}
+
+#if ENABLE_HISTORIC_CHUNKS
+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].e[x][y]);
+ else
+ putFile8Bit(file, level->yamyam_content[i].e[x][y]);
+}
+#endif
+
+#if ENABLE_HISTORIC_CHUNKS
+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].e[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]);
+}
+#endif
+
+#if ENABLE_HISTORIC_CHUNKS
+static int SaveLevel_CNT3(FILE *file, struct LevelInfo *level, int element)
+{
+ int envelope_nr = element - EL_ENVELOPE_1;
+ int envelope_len = strlen(level->envelope_text[envelope_nr]) + 1;
+ int chunk_size = 0;
+ int i;
+
+ chunk_size += putFile16BitBE(file, element);
+ chunk_size += putFile16BitBE(file, envelope_len);
+ chunk_size += putFile8Bit(file, level->envelope_xsize[envelope_nr]);
+ chunk_size += putFile8Bit(file, level->envelope_ysize[envelope_nr]);
+
+ WriteUnusedBytesToFile(file, LEVEL_CHUNK_CNT3_UNUSED);
+ chunk_size += LEVEL_CHUNK_CNT3_UNUSED;
+
+ for (i = 0; i < envelope_len; i++)
+ chunk_size += putFile8Bit(file, level->envelope_text[envelope_nr][i]);
+
+ return chunk_size;
+}
+#endif
+
+#if ENABLE_HISTORIC_CHUNKS
+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;
+
+ struct ElementInfo *ei = &element_info[element];
+
+ if (ei->properties[EP_BITFIELD_BASE_NR] != EP_BITMASK_DEFAULT)
+ {
+ if (check < num_changed_custom_elements)
+ {
+ putFile16BitBE(file, element);
+ putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
+ }
+
+ check++;
+ }
+ }
+
+ if (check != num_changed_custom_elements) /* should not happen */
+ Error(ERR_WARN, "inconsistent number of custom element properties");
+}
+#endif
+
+#if ENABLE_HISTORIC_CHUNKS
+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 ENABLE_HISTORIC_CHUNKS
+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;
+ struct ElementInfo *ei = &element_info[element];
+
+ if (ei->modified_settings)
+ {
+ if (check < num_changed_custom_elements)
+ {
+ putFile16BitBE(file, element);
+
+ for (j = 0; j < MAX_ELEMENT_NAME_LEN; j++)
+ putFile8Bit(file, ei->description[j]);
+
+ putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
+
+ /* some free bytes for future properties and padding */
+ WriteUnusedBytesToFile(file, 7);
+
+ putFile8Bit(file, ei->use_gfx_element);
+ putFile16BitBE(file, ei->gfx_element_initial);
+
+ putFile8Bit(file, ei->collect_score_initial);
+ putFile8Bit(file, ei->collect_count_initial);
+
+ putFile16BitBE(file, ei->push_delay_fixed);
+ putFile16BitBE(file, ei->push_delay_random);
+ putFile16BitBE(file, ei->move_delay_fixed);
+ putFile16BitBE(file, ei->move_delay_random);
+
+ putFile16BitBE(file, ei->move_pattern);
+ putFile8Bit(file, ei->move_direction_initial);
+ putFile8Bit(file, ei->move_stepsize);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ putFile16BitBE(file, ei->content.e[x][y]);
+
+ putFile32BitBE(file, ei->change->events);
+
+ putFile16BitBE(file, ei->change->target_element);
+
+ putFile16BitBE(file, ei->change->delay_fixed);
+ putFile16BitBE(file, ei->change->delay_random);
+ putFile16BitBE(file, ei->change->delay_frames);
+
+ putFile16BitBE(file, ei->change->initial_trigger_element);
+
+ putFile8Bit(file, ei->change->explode);
+ putFile8Bit(file, ei->change->use_target_content);
+ putFile8Bit(file, ei->change->only_if_complete);
+ putFile8Bit(file, ei->change->use_random_replace);
+
+ putFile8Bit(file, ei->change->random_percentage);
+ putFile8Bit(file, ei->change->replace_when);
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ putFile16BitBE(file, ei->change->content.e[x][y]);
+
+ putFile8Bit(file, ei->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
+
+#if ENABLE_HISTORIC_CHUNKS
+static void SaveLevel_CUS4(FILE *file, struct LevelInfo *level, int element)
+{
+ struct ElementInfo *ei = &element_info[element];
+ int i, j, x, y;
+
+ /* ---------- custom element base property values (96 bytes) ------------- */
+
+ putFile16BitBE(file, element);
+
+ for (i = 0; i < MAX_ELEMENT_NAME_LEN; i++)
+ putFile8Bit(file, ei->description[i]);
+
+ putFile32BitBE(file, ei->properties[EP_BITFIELD_BASE_NR]);
+
+ WriteUnusedBytesToFile(file, 4); /* reserved for more base properties */
+
+ putFile8Bit(file, ei->num_change_pages);
+
+ putFile16BitBE(file, ei->ce_value_fixed_initial);
+ putFile16BitBE(file, ei->ce_value_random_initial);
+ putFile8Bit(file, ei->use_last_ce_value);
+
+ putFile8Bit(file, ei->use_gfx_element);
+ putFile16BitBE(file, ei->gfx_element_initial);
+
+ putFile8Bit(file, ei->collect_score_initial);
+ putFile8Bit(file, ei->collect_count_initial);
+
+ 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.e[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);
+
+ /* ---------- change page property values (48 bytes) --------------------- */
+
+ for (i = 0; i < ei->num_change_pages; i++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[i];
+ unsigned int event_bits;
+
+ /* bits 0 - 31 of "has_event[]" ... */
+ event_bits = 0;
+ for (j = 0; j < MIN(NUM_CHANGE_EVENTS, 32); 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->initial_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.e[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);
+
+ /* ... bits 32 - 39 of "has_event[]" (not nice, but downward compatible) */
+ event_bits = 0;
+ for (j = 32; j < NUM_CHANGE_EVENTS; j++)
+ if (change->has_event[j])
+ event_bits |= (1 << (j - 32));
+ putFile8Bit(file, event_bits);
+ }
+}
+#endif
+
+#if ENABLE_HISTORIC_CHUNKS
+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_initial);
+
+ 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]);
+}
+#endif
+
+static int SaveLevel_MicroChunk(FILE *file, struct LevelFileConfigInfo *entry,
+ boolean write_element)
+{
+ int save_type = entry->save_type;
+ int data_type = entry->data_type;
+ int conf_type = entry->conf_type;
+ int byte_mask = conf_type & CONF_MASK_BYTES;
+ int element = entry->element;
+ int default_value = entry->default_value;
+ int num_bytes = 0;
+ boolean modified = FALSE;
+
+ if (byte_mask != CONF_MASK_MULTI_BYTES)
+ {
+ void *value_ptr = entry->value;
+ int value = (data_type == TYPE_BOOLEAN ? *(boolean *)value_ptr :
+ *(int *)value_ptr);
+
+ /* check if any settings have been modified before saving them */
+ if (value != default_value)
+ modified = TRUE;
+
+ /* do not save if explicitly told or if unmodified default settings */
+ if ((save_type == SAVE_CONF_NEVER) ||
+ (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
+ return 0;
+
+ if (write_element)
+ num_bytes += putFile16BitBE(file, element);
+
+ num_bytes += putFile8Bit(file, conf_type);
+ num_bytes += (byte_mask == CONF_MASK_1_BYTE ? putFile8Bit (file, value) :
+ byte_mask == CONF_MASK_2_BYTE ? putFile16BitBE(file, value) :
+ byte_mask == CONF_MASK_4_BYTE ? putFile32BitBE(file, value) :
+ 0);
+ }
+ else if (data_type == TYPE_STRING)
+ {
+ char *default_string = entry->default_string;
+ char *string = (char *)(entry->value);
+ int string_length = strlen(string);
+ int i;
+
+ /* check if any settings have been modified before saving them */
+ if (!strEqual(string, default_string))
+ modified = TRUE;
+
+ /* do not save if explicitly told or if unmodified default settings */
+ if ((save_type == SAVE_CONF_NEVER) ||
+ (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
+ return 0;
+
+ if (write_element)
+ num_bytes += putFile16BitBE(file, element);
+
+ num_bytes += putFile8Bit(file, conf_type);
+ num_bytes += putFile16BitBE(file, string_length);
+
+ for (i = 0; i < string_length; i++)
+ num_bytes += putFile8Bit(file, string[i]);
+ }
+ else if (data_type == TYPE_ELEMENT_LIST)
+ {
+ int *element_array = (int *)(entry->value);
+ int num_elements = *(int *)(entry->num_entities);
+ int i;
+
+ /* check if any settings have been modified before saving them */
+ for (i = 0; i < num_elements; i++)
+ if (element_array[i] != default_value)
+ modified = TRUE;
+
+ /* do not save if explicitly told or if unmodified default settings */
+ if ((save_type == SAVE_CONF_NEVER) ||
+ (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
+ return 0;
+
+ if (write_element)
+ num_bytes += putFile16BitBE(file, element);
+
+ num_bytes += putFile8Bit(file, conf_type);
+ num_bytes += putFile16BitBE(file, num_elements * CONF_ELEMENT_NUM_BYTES);
+
+ for (i = 0; i < num_elements; i++)
+ num_bytes += putFile16BitBE(file, element_array[i]);
+ }
+ else if (data_type == TYPE_CONTENT_LIST)
+ {
+ struct Content *content = (struct Content *)(entry->value);
+ int num_contents = *(int *)(entry->num_entities);
+ int i, x, y;
+
+ /* check if any settings have been modified before saving them */
+ for (i = 0; i < num_contents; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ if (content[i].e[x][y] != default_value)
+ modified = TRUE;
+
+ /* do not save if explicitly told or if unmodified default settings */
+ if ((save_type == SAVE_CONF_NEVER) ||
+ (save_type == SAVE_CONF_WHEN_CHANGED && !modified))
+ return 0;
+
+ if (write_element)
+ num_bytes += putFile16BitBE(file, element);
+
+ num_bytes += putFile8Bit(file, conf_type);
+ num_bytes += putFile16BitBE(file, num_contents * CONF_CONTENT_NUM_BYTES);
+
+ for (i = 0; i < num_contents; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ num_bytes += putFile16BitBE(file, content[i].e[x][y]);
+ }
+
+ return num_bytes;
+}
+
+static int SaveLevel_INFO(FILE *file, struct LevelInfo *level)
+{
+ int chunk_size = 0;
+ int i;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ for (i = 0; chunk_config_INFO[i].data_type != -1; i++)
+ chunk_size += SaveLevel_MicroChunk(file, &chunk_config_INFO[i], FALSE);
+
+ return chunk_size;
+}
+
+static int SaveLevel_ELEM(FILE *file, struct LevelInfo *level)
+{
+ int chunk_size = 0;
+ int i;
+
+ li = *level; /* copy level data into temporary buffer */
+
+ for (i = 0; chunk_config_ELEM[i].data_type != -1; i++)
+ chunk_size += SaveLevel_MicroChunk(file, &chunk_config_ELEM[i], TRUE);
+
+ return chunk_size;
+}
+
+static int SaveLevel_NOTE(FILE *file, struct LevelInfo *level, int element)
+{
+ int envelope_nr = element - EL_ENVELOPE_1;
+ int chunk_size = 0;
+ int i;
+
+ chunk_size += putFile16BitBE(file, element);
+
+ /* copy envelope data into temporary buffer */
+ xx_envelope = level->envelope[envelope_nr];
+
+ for (i = 0; chunk_config_NOTE[i].data_type != -1; i++)
+ chunk_size += SaveLevel_MicroChunk(file, &chunk_config_NOTE[i], FALSE);
+
+ return chunk_size;
+}
+
+static int SaveLevel_CUSX(FILE *file, struct LevelInfo *level, int element)
+{
+ struct ElementInfo *ei = &element_info[element];
+ int chunk_size = 0;
+ int i, j;
+
+ chunk_size += putFile16BitBE(file, element);
+
+ xx_ei = *ei; /* copy element data into temporary buffer */
+
+ /* set default description string for this specific element */
+ strcpy(xx_default_description, getDefaultElementDescription(ei));
+
+ for (i = 0; chunk_config_CUSX_base[i].data_type != -1; i++)
+ chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_base[i], FALSE);
+
+ for (i = 0; i < ei->num_change_pages; i++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[i];
+
+ xx_current_change_page = i;
+
+ xx_change = *change; /* copy change data into temporary buffer */
+
+ resetEventBits();
+ setEventBitsFromEventFlags(change);
+
+ for (j = 0; chunk_config_CUSX_change[j].data_type != -1; j++)
+ chunk_size += SaveLevel_MicroChunk(file, &chunk_config_CUSX_change[j],
+ FALSE);
+ }
+
+ return chunk_size;
+}
+
+static int SaveLevel_GRPX(FILE *file, struct LevelInfo *level, int element)
+{
+ struct ElementInfo *ei = &element_info[element];
+ struct ElementGroupInfo *group = ei->group;
+ int chunk_size = 0;
+ int i;
+
+ chunk_size += putFile16BitBE(file, element);
+
+ xx_ei = *ei; /* copy element data into temporary buffer */
+ xx_group = *group; /* copy group data into temporary buffer */
+
+ /* set default description string for this specific element */
+ strcpy(xx_default_description, getDefaultElementDescription(ei));
+
+ for (i = 0; chunk_config_GRPX[i].data_type != -1; i++)
+ chunk_size += SaveLevel_MicroChunk(file, &chunk_config_GRPX[i], FALSE);
+
+ return chunk_size;
+}
+
+static void SaveLevelFromFilename(struct LevelInfo *level, char *filename,
+ boolean save_as_template)
+{
+ int chunk_size;
+ int i;
+ 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;
+
+ level->creation_date = getCurrentDate();
+
+ putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
+ putFileChunkBE(file, "CAVE", CHUNK_SIZE_NONE);
+
+ chunk_size = SaveLevel_VERS(NULL, level);
+ putFileChunkBE(file, "VERS", chunk_size);
+ SaveLevel_VERS(file, level);
+
+ chunk_size = SaveLevel_DATE(NULL, level);
+ putFileChunkBE(file, "DATE", chunk_size);
+ SaveLevel_DATE(file, level);
+
+ chunk_size = SaveLevel_NAME(NULL, level);
+ putFileChunkBE(file, "NAME", chunk_size);
+ SaveLevel_NAME(file, level);
+
+ chunk_size = SaveLevel_AUTH(NULL, level);
+ putFileChunkBE(file, "AUTH", chunk_size);
+ SaveLevel_AUTH(file, level);
+
+ chunk_size = SaveLevel_INFO(NULL, level);
+ putFileChunkBE(file, "INFO", chunk_size);
+ SaveLevel_INFO(file, level);
+
+ chunk_size = SaveLevel_BODY(NULL, level);
+ putFileChunkBE(file, "BODY", chunk_size);
+ SaveLevel_BODY(file, level);
+
+ chunk_size = SaveLevel_ELEM(NULL, level);
+ if (chunk_size > LEVEL_CHUNK_ELEM_UNCHANGED) /* save if changed */
+ {
+ putFileChunkBE(file, "ELEM", chunk_size);
+ SaveLevel_ELEM(file, level);
+ }
+
+ for (i = 0; i < NUM_ENVELOPES; i++)
+ {
+ int element = EL_ENVELOPE_1 + i;
+
+ chunk_size = SaveLevel_NOTE(NULL, level, element);
+ if (chunk_size > LEVEL_CHUNK_NOTE_UNCHANGED) /* save if changed */
+ {
+ putFileChunkBE(file, "NOTE", chunk_size);
+ SaveLevel_NOTE(file, level, element);
+ }
+ }
+
+ /* if not using template level, check for non-default custom/group elements */
+ if (!level->use_custom_template || save_as_template)
+ {
+ for (i = 0; i < NUM_CUSTOM_ELEMENTS; i++)
+ {
+ int element = EL_CUSTOM_START + i;
+
+ chunk_size = SaveLevel_CUSX(NULL, level, element);
+ if (chunk_size > LEVEL_CHUNK_CUSX_UNCHANGED) /* save if changed */
+ {
+ putFileChunkBE(file, "CUSX", chunk_size);
+ SaveLevel_CUSX(file, level, element);
+ }
+ }
+
+ for (i = 0; i < NUM_GROUP_ELEMENTS; i++)
+ {
+ int element = EL_GROUP_START + i;
+
+ chunk_size = SaveLevel_GRPX(NULL, level, element);
+ if (chunk_size > LEVEL_CHUNK_GRPX_UNCHANGED) /* save if changed */
+ {
+ putFileChunkBE(file, "GRPX", chunk_size);
+ SaveLevel_GRPX(file, level, element);
+ }
+ }
+ }
+
+ fclose(file);
+
+ SetFilePermissions(filename, PERMS_PRIVATE);
+}
+
+void SaveLevel(int nr)
+{
+ char *filename = getDefaultLevelFilename(nr);
+
+ SaveLevelFromFilename(&level, filename, FALSE);
+}
+
+void SaveLevelTemplate()
+{
+ char *filename = getLocalLevelTemplateFilename();
+
+ SaveLevelFromFilename(&level, filename, TRUE);
+}
+
+boolean SaveLevelChecked(int nr)
+{
+ char *filename = getDefaultLevelFilename(nr);
+ boolean new_level = !fileExists(filename);
+ boolean level_saved = FALSE;
+
+ if (new_level || Request("Save this level and kill the old?", REQ_ASK))
+ {
+ SaveLevel(nr);
+
+ if (new_level)
+ Request("Level saved!", REQ_CONFIRM);
+
+ level_saved = TRUE;
+ }
+
+ return level_saved;
+}
+
+void DumpLevel(struct LevelInfo *level)
+{
+ if (level->no_level_file || level->no_valid_file)
+ {
+ Error(ERR_WARN, "cannot dump -- no valid level file found");
+
+ return;
+ }
+
+ PrintLine("-", 79);
+ Print("Level xxx (file version %08d, game version %08d)\n",
+ level->file_version, level->game_version);
+ PrintLine("-", 79);
+
+ Print("Level author: '%s'\n", level->author);
+ Print("Level title: '%s'\n", level->name);
+ Print("\n");
+ Print("Playfield size: %d x %d\n", level->fieldx, level->fieldy);
+ Print("\n");
+ Print("Level time: %d seconds\n", level->time);
+ Print("Gems needed: %d\n", level->gems_needed);
+ Print("\n");
+ Print("Time for magic wall: %d seconds\n", level->time_magic_wall);
+ Print("Time for wheel: %d seconds\n", level->time_wheel);
+ Print("Time for light: %d seconds\n", level->time_light);
+ Print("Time for timegate: %d seconds\n", level->time_timegate);
+ Print("\n");
+ Print("Amoeba speed: %d\n", level->amoeba_speed);
+ Print("\n");
+
+ Print("EM style slippery gems: %s\n", (level->em_slippery_gems ? "yes" : "no"));
+ Print("Player blocks last field: %s\n", (level->block_last_field ? "yes" : "no"));
+ Print("SP player blocks last field: %s\n", (level->sp_block_last_field ? "yes" : "no"));
+ Print("use spring bug: %s\n", (level->use_spring_bug ? "yes" : "no"));
+ Print("use step counter: %s\n", (level->use_step_counter ? "yes" : "no"));
+
+ PrintLine("-", 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);
+ tape->game_version = getFileVersion(file);
+
+ return chunk_size;
+}
+
+static int LoadTape_HEAD(File *file, int chunk_size, struct TapeInfo *tape)
+{
+ int i;
+
+ tape->random_seed = getFile32BitBE(file);
+ tape->date = getFile32BitBE(file);
+ tape->length = getFile32BitBE(file);
+
+ /* read header fields that are new since version 1.2 */
+ if (tape->file_version >= FILE_VERSION_1_2)
+ {
+ byte store_participating_players = getFile8Bit(file);
+ int engine_version;
+
+ /* since version 1.2, tapes store which players participate in the tape */
+ tape->num_participating_players = 0;
+ for (i = 0; i < MAX_PLAYERS; i++)
+ {
+ tape->player_participates[i] = FALSE;
+
+ if (store_participating_players & (1 << i))
+ {
+ tape->player_participates[i] = TRUE;
+ tape->num_participating_players++;
+ }
+ }
+
+ tape->use_mouse = (getFile8Bit(file) == 1 ? TRUE : FALSE);
+
+ ReadUnusedBytesFromFile(file, TAPE_CHUNK_HEAD_UNUSED);
+
+ engine_version = getFileVersion(file);
+ if (engine_version > 0)
+ tape->engine_version = engine_version;
+ else
+ tape->engine_version = tape->game_version;
+ }
+
+ return chunk_size;
+}
+
+static int LoadTape_INFO(File *file, int chunk_size, struct TapeInfo *tape)
+{
+ int level_identifier_size;
+ int i;
+
+ level_identifier_size = getFile16BitBE(file);
+
+ tape->level_identifier =
+ checked_realloc(tape->level_identifier, level_identifier_size);
+
+ for (i = 0; i < level_identifier_size; i++)
+ tape->level_identifier[i] = getFile8Bit(file);
+
+ tape->level_nr = getFile16BitBE(file);
+
+ chunk_size = 2 + level_identifier_size + 2;
+
+ return chunk_size;
+}
+
+static int LoadTape_BODY(File *file, int chunk_size, struct TapeInfo *tape)
+{
+ int i, j;
+ int tape_pos_size =
+ (tape->use_mouse ? 3 : tape->num_participating_players) + 1;
+ int chunk_size_expected = tape_pos_size * tape->length;
+
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size);
+ return chunk_size_expected;
+ }
+
+ for (i = 0; i < tape->length; i++)
+ {
+ if (i >= MAX_TAPE_LEN)
+ {
+ Error(ERR_WARN, "tape truncated -- size exceeds maximum tape size %d",
+ MAX_TAPE_LEN);
+
+ // tape too large; read and ignore remaining tape data from this chunk
+ for (;i < tape->length; i++)
+ ReadUnusedBytesFromFile(file, tape->num_participating_players + 1);
+
+ break;
+ }
+
+ if (tape->use_mouse)
+ {
+ tape->pos[i].action[TAPE_ACTION_LX] = getFile8Bit(file);
+ tape->pos[i].action[TAPE_ACTION_LY] = getFile8Bit(file);
+ tape->pos[i].action[TAPE_ACTION_BUTTON] = getFile8Bit(file);
+
+ tape->pos[i].action[TAPE_ACTION_UNUSED] = 0;
+ }
+ else
+ {
+ for (j = 0; j < MAX_PLAYERS; j++)
+ {
+ tape->pos[i].action[j] = MV_NONE;
+
+ if (tape->player_participates[j])
+ tape->pos[i].action[j] = getFile8Bit(file);
+ }
+ }
+
+ tape->pos[i].delay = getFile8Bit(file);
+
+ if (tape->file_version == FILE_VERSION_1_0)
+ {
+ /* eliminate possible diagonal moves in old tapes */
+ /* this is only for backward compatibility */
+
+ byte joy_dir[4] = { JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN };
+ byte action = tape->pos[i].action[0];
+ int k, num_moves = 0;
+
+ for (k = 0; k<4; k++)
+ {
+ if (action & joy_dir[k])
+ {
+ tape->pos[i + num_moves].action[0] = joy_dir[k];
+ if (num_moves > 0)
+ tape->pos[i + num_moves].delay = 0;
+ num_moves++;
+ }
+ }
+
+ if (num_moves > 1)
+ {
+ num_moves--;
+ i += num_moves;
+ tape->length += num_moves;
+ }
+ }
+ else if (tape->file_version < FILE_VERSION_2_0)
+ {
+ /* convert pre-2.0 tapes to new tape format */
+
+ if (tape->pos[i].delay > 1)
+ {
+ /* action part */
+ tape->pos[i + 1] = tape->pos[i];
+ tape->pos[i + 1].delay = 1;
+
+ /* delay part */
+ for (j = 0; j < MAX_PLAYERS; j++)
+ tape->pos[i].action[j] = MV_NONE;
+ tape->pos[i].delay--;
+
+ i++;
+ tape->length++;
+ }
+ }
+
+ if (checkEndOfFile(file))
+ break;
+ }
+
+ if (i != tape->length)
+ chunk_size = tape_pos_size * i;
+
+ return chunk_size;
+}
+
+void LoadTape_SokobanSolution(char *filename)
+{
+ File *file;
+ int move_delay = TILESIZE / level.initial_player_stepsize[0];
+
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ tape.no_valid_file = TRUE;
+
+ return;
+ }
+
+ while (!checkEndOfFile(file))
+ {
+ unsigned char c = getByteFromFile(file);
+
+ if (checkEndOfFile(file))
+ break;
+
+ switch (c)
+ {
+ case 'u':
+ case 'U':
+ tape.pos[tape.length].action[0] = MV_UP;
+ tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+ tape.length++;
+ break;
+
+ case 'd':
+ case 'D':
+ tape.pos[tape.length].action[0] = MV_DOWN;
+ tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+ tape.length++;
+ break;
+
+ case 'l':
+ case 'L':
+ tape.pos[tape.length].action[0] = MV_LEFT;
+ tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+ tape.length++;
+ break;
+
+ case 'r':
+ case 'R':
+ tape.pos[tape.length].action[0] = MV_RIGHT;
+ tape.pos[tape.length].delay = move_delay + (c < 'a' ? 2 : 0);
+ tape.length++;
+ break;
+
+ case '\n':
+ case '\r':
+ case '\t':
+ case ' ':
+ /* ignore white-space characters */
+ break;
+
+ default:
+ tape.no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unsupported Sokoban solution file '%s' ['%d']", filename, c);
+
+ break;
+ }
+ }
+
+ closeFile(file);
+
+ if (tape.no_valid_file)
+ return;
+
+ tape.length_frames = GetTapeLengthFrames();
+ tape.length_seconds = GetTapeLengthSeconds();
+}
+
+void LoadTapeFromFilename(char *filename)
+{
+ char cookie[MAX_LINE_LEN];
+ char chunk_name[CHUNK_ID_LEN + 1];
+ File *file;
+ int chunk_size;
+
+ /* always start with reliable default values */
+ setTapeInfoToDefaults();
+
+ if (strSuffix(filename, ".sln"))
+ {
+ LoadTape_SokobanSolution(filename);
+
+ return;
+ }
+
+ if (!(file = openFile(filename, MODE_READ)))
+ {
+ tape.no_valid_file = TRUE;
+
+ return;
+ }
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (strEqual(chunk_name, "RND1"))
+ {
+ getFile32BitBE(file); /* not used */
+
+ getFileChunkBE(file, chunk_name, NULL);
+ if (!strEqual(chunk_name, "TAPE"))
+ {
+ tape.no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of tape 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, TAPE_COOKIE_TMPL))
+ {
+ tape.no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unknown format of tape file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+
+ if ((tape.file_version = getFileVersionFromCookieString(cookie)) == -1)
+ {
+ tape.no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unsupported version of tape file '%s'", filename);
+
+ closeFile(file);
+
+ return;
+ }
+
+ /* pre-2.0 tape files have no game version, so use file version here */
+ tape.game_version = tape.file_version;
+ }
+
+ if (tape.file_version < FILE_VERSION_1_2)
+ {
+ /* tape files from versions before 1.2.0 without chunk structure */
+ LoadTape_HEAD(file, TAPE_CHUNK_HEAD_SIZE, &tape);
+ LoadTape_BODY(file, 2 * tape.length, &tape);
+ }
+ else
+ {
+ static struct
+ {
+ char *name;
+ int size;
+ int (*loader)(File *, int, struct TapeInfo *);
+ }
+ chunk_info[] =
+ {
+ { "VERS", TAPE_CHUNK_VERS_SIZE, LoadTape_VERS },
+ { "HEAD", TAPE_CHUNK_HEAD_SIZE, LoadTape_HEAD },
+ { "INFO", -1, LoadTape_INFO },
+ { "BODY", -1, LoadTape_BODY },
+ { NULL, 0, NULL }
+ };
+
+ while (getFileChunkBE(file, chunk_name, &chunk_size))
+ {
+ int i = 0;
+
+ while (chunk_info[i].name != NULL &&
+ !strEqual(chunk_name, chunk_info[i].name))
+ i++;
+
+ if (chunk_info[i].name == NULL)
+ {
+ Error(ERR_WARN, "unknown chunk '%s' in tape file '%s'",
+ chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else if (chunk_info[i].size != -1 &&
+ chunk_info[i].size != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in tape file '%s'",
+ chunk_size, chunk_name, filename);
+ ReadUnusedBytesFromFile(file, chunk_size);
+ }
+ else
+ {
+ /* call function to load this tape chunk */
+ int chunk_size_expected =
+ (chunk_info[i].loader)(file, chunk_size, &tape);
+
+ /* the size of some chunks cannot be checked before reading other
+ chunks first (like "HEAD" and "BODY") that contain some header
+ information, so check them here */
+ if (chunk_size_expected != chunk_size)
+ {
+ Error(ERR_WARN, "wrong size (%d) of chunk '%s' in tape file '%s'",
+ chunk_size, chunk_name, filename);
+ }
+ }
+ }
+ }
+
+ closeFile(file);
+
+ tape.length_frames = GetTapeLengthFrames();
+ tape.length_seconds = GetTapeLengthSeconds();
+
+#if 0
+ printf("::: tape file version: %d\n", tape.file_version);
+ printf("::: tape game version: %d\n", tape.game_version);
+ printf("::: tape engine version: %d\n", tape.engine_version);
+#endif
+}
+
+void LoadTape(int nr)
+{
+ char *filename = getTapeFilename(nr);
+
+ LoadTapeFromFilename(filename);
+}
+
+void LoadSolutionTape(int nr)
+{
+ char *filename = getSolutionTapeFilename(nr);
+
+ LoadTapeFromFilename(filename);
+
+ if (TAPE_IS_EMPTY(tape) &&
+ level.game_engine_type == GAME_ENGINE_TYPE_SP &&
+ level.native_sp_level->demo.is_available)
+ CopyNativeTape_SP_to_RND(&level);
+}
+
+static void SaveTape_VERS(FILE *file, struct TapeInfo *tape)
+{
+ putFileVersion(file, tape->file_version);
+ putFileVersion(file, tape->game_version);
+}
+
+static void SaveTape_HEAD(FILE *file, struct TapeInfo *tape)
+{
+ int i;
+ byte store_participating_players = 0;
+
+ /* set bits for participating players for compact storage */
+ for (i = 0; i < MAX_PLAYERS; i++)
+ if (tape->player_participates[i])
+ store_participating_players |= (1 << i);
+
+ putFile32BitBE(file, tape->random_seed);
+ putFile32BitBE(file, tape->date);
+ putFile32BitBE(file, tape->length);
+
+ putFile8Bit(file, store_participating_players);
+
+ putFile8Bit(file, (tape->use_mouse ? 1 : 0));
+
+ /* unused bytes not at the end here for 4-byte alignment of engine_version */
+ WriteUnusedBytesToFile(file, TAPE_CHUNK_HEAD_UNUSED);
+
+ putFileVersion(file, tape->engine_version);
+}
+
+static void SaveTape_INFO(FILE *file, struct TapeInfo *tape)
+{
+ int level_identifier_size = strlen(tape->level_identifier) + 1;
+ int i;
+
+ putFile16BitBE(file, level_identifier_size);
+
+ for (i = 0; i < level_identifier_size; i++)
+ putFile8Bit(file, tape->level_identifier[i]);
+
+ putFile16BitBE(file, tape->level_nr);
+}
+
+static void SaveTape_BODY(FILE *file, struct TapeInfo *tape)
+{
+ int i, j;
+
+ for (i = 0; i < tape->length; i++)
+ {
+ if (tape->use_mouse)
+ {
+ putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LX]);
+ putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_LY]);
+ putFile8Bit(file, tape->pos[i].action[TAPE_ACTION_BUTTON]);
+ }
+ else
+ {
+ for (j = 0; j < MAX_PLAYERS; j++)
+ if (tape->player_participates[j])
+ putFile8Bit(file, tape->pos[i].action[j]);
+ }
+
+ putFile8Bit(file, tape->pos[i].delay);
+ }
+}
+
+void SaveTape(int nr)
+{
+ char *filename = getTapeFilename(nr);
+ FILE *file;
+ int num_participating_players = 0;
+ int tape_pos_size;
+ int info_chunk_size;
+ int body_chunk_size;
+ int i;
+
+ InitTapeDirectory(leveldir_current->subdir);
+
+ if (!(file = fopen(filename, MODE_WRITE)))
+ {
+ Error(ERR_WARN, "cannot save level recording file '%s'", filename);
+ return;
+ }
+
+ tape.file_version = FILE_VERSION_ACTUAL;
+ tape.game_version = GAME_VERSION_ACTUAL;
+
+ /* count number of participating players */
+ for (i = 0; i < MAX_PLAYERS; i++)
+ if (tape.player_participates[i])
+ num_participating_players++;
+
+ tape_pos_size = (tape.use_mouse ? 3 : num_participating_players) + 1;
+
+ info_chunk_size = 2 + (strlen(tape.level_identifier) + 1) + 2;
+ body_chunk_size = tape_pos_size * tape.length;
+
+ putFileChunkBE(file, "RND1", CHUNK_SIZE_UNDEFINED);
+ putFileChunkBE(file, "TAPE", CHUNK_SIZE_NONE);
+
+ putFileChunkBE(file, "VERS", TAPE_CHUNK_VERS_SIZE);
+ SaveTape_VERS(file, &tape);
+
+ putFileChunkBE(file, "HEAD", TAPE_CHUNK_HEAD_SIZE);
+ SaveTape_HEAD(file, &tape);
+
+ putFileChunkBE(file, "INFO", info_chunk_size);
+ SaveTape_INFO(file, &tape);
+
+ putFileChunkBE(file, "BODY", body_chunk_size);
+ SaveTape_BODY(file, &tape);
+
+ fclose(file);
+
+ SetFilePermissions(filename, PERMS_PRIVATE);
+
+ tape.changed = FALSE;
+}
+
+static boolean SaveTapeCheckedExt(int nr, char *msg_replace, char *msg_saved)
+{
+ char *filename = getTapeFilename(nr);
+ boolean new_tape = !fileExists(filename);
+ boolean tape_saved = FALSE;
+
+ if (new_tape || Request(msg_replace, REQ_ASK))
+ {
+ SaveTape(nr);
+
+ if (new_tape)
+ Request(msg_saved, REQ_CONFIRM);
+
+ tape_saved = TRUE;
+ }
+
+ return tape_saved;
+}
+
+boolean SaveTapeChecked(int nr)
+{
+ return SaveTapeCheckedExt(nr, "Replace old tape?", "Tape saved!");
+}
+
+boolean SaveTapeChecked_LevelSolved(int nr)
+{
+ return SaveTapeCheckedExt(nr, "Level solved! Replace old tape?",
+ "Level solved! Tape saved!");
+}
+
+void DumpTape(struct TapeInfo *tape)
+{
+ int tape_frame_counter;
+ int i, j;
+
+ if (tape->no_valid_file)
+ {
+ Error(ERR_WARN, "cannot dump -- no valid tape file found");
+
+ return;
+ }
+
+ PrintLine("-", 79);
+ Print("Tape of Level %03d (file version %08d, game version %08d)\n",
+ tape->level_nr, tape->file_version, tape->game_version);
+ Print(" (effective engine version %08d)\n",
+ tape->engine_version);
+ Print("Level series identifier: '%s'\n", tape->level_identifier);
+ PrintLine("-", 79);
+
+ tape_frame_counter = 0;
+
+ for (i = 0; i < tape->length; i++)
+ {
+ if (i >= MAX_TAPE_LEN)
+ break;
+
+ Print("%04d: ", i);
+
+ for (j = 0; j < MAX_PLAYERS; j++)
+ {
+ if (tape->player_participates[j])
+ {
+ int action = tape->pos[i].action[j];
+
+ Print("%d:%02x ", j, action);
+ Print("[%c%c%c%c|%c%c] - ",
+ (action & JOY_LEFT ? '<' : ' '),
+ (action & JOY_RIGHT ? '>' : ' '),
+ (action & JOY_UP ? '^' : ' '),
+ (action & JOY_DOWN ? 'v' : ' '),
+ (action & JOY_BUTTON_1 ? '1' : ' '),
+ (action & JOY_BUTTON_2 ? '2' : ' '));
+ }
+ }
+
+ Print("(%03d) ", tape->pos[i].delay);
+ Print("[%05d]\n", tape_frame_counter);
+
+ tape_frame_counter += tape->pos[i].delay;
+ }
+
+ PrintLine("-", 79);
+}