+ for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i].e[x][y] =
+ getMappedElement(level->encoding_16bit_field ?
+ getFile16BitBE(file) : getFile8Bit(file));
+ return chunk_size;
+}
+
+static int LoadLevel_CNT2(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int i, x, y;
+ int element;
+ int num_contents;
+#if 0
+ int content_xsize, content_ysize;
+#endif
+ int content_array[MAX_ELEMENT_CONTENTS][3][3];
+
+ element = getMappedElement(getFile16BitBE(file));
+ num_contents = getFile8Bit(file);
+#if 1
+ getFile8Bit(file); /* content x size (unused) */
+ getFile8Bit(file); /* content y size (unused) */
+#else
+ content_xsize = getFile8Bit(file);
+ content_ysize = getFile8Bit(file);
+#endif
+
+ ReadUnusedBytesFromFile(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++)
+ content_array[i][x][y] = getMappedElement(getFile16BitBE(file));
+
+ /* correct invalid number of content fields -- should never happen */
+ if (num_contents < 1 || num_contents > MAX_ELEMENT_CONTENTS)
+ num_contents = STD_ELEMENT_CONTENTS;
+
+ if (element == EL_YAMYAM)
+ {
+ level->num_yamyam_contents = num_contents;
+
+ for (i = 0; i < num_contents; i++)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ level->yamyam_content[i].e[x][y] = content_array[i][x][y];
+ }
+ else if (element == EL_BD_AMOEBA)
+ {
+ level->amoeba_content = content_array[0][0][0];
+ }
+ else
+ {
+ Error(ERR_WARN, "cannot load content for element '%d'", element);
+ }
+
+ return chunk_size;
+}
+
+static int LoadLevel_CNT3(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ int i;
+ int element;
+ int envelope_nr;
+ int envelope_len;
+ int chunk_size_expected;
+
+ element = getMappedElement(getFile16BitBE(file));
+ if (!IS_ENVELOPE(element))
+ element = EL_ENVELOPE_1;
+
+ envelope_nr = element - EL_ENVELOPE_1;
+
+ envelope_len = getFile16BitBE(file);
+
+ 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;
+ }
+
+ 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);
+ }
+
+ 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;
+ }
+
+ 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;
+
+ 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;
+
+ 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 (!feof(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 (!feof(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 (!feof(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;
+
+ while (!feof(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;
+
+ 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 (!feof(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 (!feof(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;
+ }
+
+ 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 (!feof(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;
+
+ return real_chunk_size;
+}
+
+#endif
+
+#if 1
+
+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;
+
+#if 1
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+#else
+ if (level != &level_template)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+#endif
+
+ return;
+ }
+
+ 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);
+}
+
+#else
+
+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 = fopen(filename, MODE_READ)))
+ {
+ level->no_valid_file = TRUE;
+
+#if 1
+ if (!level_info_only)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+#else
+ if (level != &level_template)
+ Error(ERR_WARN, "cannot read level '%s' -- using empty level", filename);
+#endif
+
+ return;
+ }
+
+ 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);
+ fclose(file);
+ return;
+ }
+ }
+ else /* check for pre-2.0 file format with cookie string */
+ {
+ strcpy(cookie, chunk_name);
+ if (fgets(&cookie[4], MAX_LINE_LEN - 4, file) == 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);
+ fclose(file);
+ return;
+ }
+
+ if ((level->file_version = getFileVersionFromCookieString(cookie)) == -1)
+ {
+ level->no_valid_file = TRUE;
+
+ Error(ERR_WARN, "unsupported version of level file '%s'", filename);
+ fclose(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);
+ }
+ }
+ }
+ }
+
+ fclose(file);
+}
+
+#endif
+
+
+/* ------------------------------------------------------------------------- */
+/* functions for loading EM level */
+/* ------------------------------------------------------------------------- */
+
+#if 0
+
+static int map_em_element_yam(int element)
+{
+ switch (element)
+ {
+ case 0x00: return EL_EMPTY;
+ case 0x01: return EL_EMERALD;
+ case 0x02: return EL_DIAMOND;
+ case 0x03: return EL_ROCK;
+ case 0x04: return EL_ROBOT;
+ case 0x05: return EL_SPACESHIP_UP;
+ case 0x06: return EL_BOMB;
+ case 0x07: return EL_BUG_UP;
+ case 0x08: return EL_AMOEBA_DROP;
+ case 0x09: return EL_NUT;
+ case 0x0a: return EL_YAMYAM;
+ case 0x0b: return EL_QUICKSAND_FULL;
+ case 0x0c: return EL_SAND;
+ case 0x0d: return EL_WALL_SLIPPERY;
+ case 0x0e: return EL_STEELWALL;
+ case 0x0f: return EL_WALL;
+ case 0x10: return EL_EM_KEY_1;
+ case 0x11: return EL_EM_KEY_2;
+ case 0x12: return EL_EM_KEY_4;
+ case 0x13: return EL_EM_KEY_3;
+ case 0x14: return EL_MAGIC_WALL;
+ case 0x15: return EL_ROBOT_WHEEL;
+ case 0x16: return EL_DYNAMITE;
+
+ case 0x17: return EL_EM_KEY_1; /* EMC */
+ case 0x18: return EL_BUG_UP; /* EMC */
+ case 0x1a: return EL_DIAMOND; /* EMC */
+ case 0x1b: return EL_EMERALD; /* EMC */
+ case 0x25: return EL_NUT; /* EMC */
+ case 0x80: return EL_EMPTY; /* EMC */
+ case 0x85: return EL_EM_KEY_1; /* EMC */
+ case 0x86: return EL_EM_KEY_2; /* EMC */
+ case 0x87: return EL_EM_KEY_4; /* EMC */
+ case 0x88: return EL_EM_KEY_3; /* EMC */
+ case 0x94: return EL_QUICKSAND_EMPTY; /* EMC */
+ case 0x9a: return EL_AMOEBA_WET; /* EMC */
+ case 0xaf: return EL_DYNAMITE; /* EMC */
+ case 0xbd: return EL_SAND; /* EMC */
+
+ default:
+ Error(ERR_WARN, "invalid level element %d", element);
+ return EL_UNKNOWN;
+ }
+}
+
+static int map_em_element_field(int element)
+{
+ if (element >= 0xc8 && element <= 0xe1)
+ return EL_CHAR_A + (element - 0xc8);
+ else if (element >= 0xe2 && element <= 0xeb)
+ return EL_CHAR_0 + (element - 0xe2);
+
+ switch (element)
+ {
+ case 0x00: return EL_ROCK;
+ case 0x01: return EL_ROCK; /* EMC */
+ case 0x02: return EL_DIAMOND;
+ case 0x03: return EL_DIAMOND;
+ case 0x04: return EL_ROBOT;
+ case 0x05: return EL_ROBOT; /* EMC */
+ case 0x06: return EL_EMPTY_SPACE; /* EMC */
+ case 0x07: return EL_EMPTY_SPACE; /* EMC */
+ case 0x08: return EL_SPACESHIP_UP;
+ case 0x09: return EL_SPACESHIP_RIGHT;
+ case 0x0a: return EL_SPACESHIP_DOWN;
+ case 0x0b: return EL_SPACESHIP_LEFT;
+ case 0x0c: return EL_SPACESHIP_UP;
+ case 0x0d: return EL_SPACESHIP_RIGHT;
+ case 0x0e: return EL_SPACESHIP_DOWN;
+ case 0x0f: return EL_SPACESHIP_LEFT;
+
+ case 0x10: return EL_BOMB;
+ case 0x11: return EL_BOMB; /* EMC */
+ case 0x12: return EL_EMERALD;
+ case 0x13: return EL_EMERALD;
+ case 0x14: return EL_BUG_UP;
+ case 0x15: return EL_BUG_RIGHT;
+ case 0x16: return EL_BUG_DOWN;
+ case 0x17: return EL_BUG_LEFT;
+ case 0x18: return EL_BUG_UP;
+ case 0x19: return EL_BUG_RIGHT;
+ case 0x1a: return EL_BUG_DOWN;
+ case 0x1b: return EL_BUG_LEFT;
+ case 0x1c: return EL_AMOEBA_DROP;
+ case 0x1d: return EL_AMOEBA_DROP; /* EMC */
+ case 0x1e: return EL_AMOEBA_DROP; /* EMC */
+ case 0x1f: return EL_AMOEBA_DROP; /* EMC */
+
+ case 0x20: return EL_ROCK;
+ case 0x21: return EL_BOMB; /* EMC */
+ case 0x22: return EL_DIAMOND; /* EMC */
+ case 0x23: return EL_EMERALD; /* EMC */
+ case 0x24: return EL_MAGIC_WALL;
+ case 0x25: return EL_NUT;
+ case 0x26: return EL_NUT; /* EMC */
+ case 0x27: return EL_NUT; /* EMC */
+
+ /* looks like magic wheel, but is _always_ activated */
+ case 0x28: return EL_ROBOT_WHEEL; /* EMC */
+
+ case 0x29: return EL_YAMYAM; /* up */
+ case 0x2a: return EL_YAMYAM; /* down */
+ case 0x2b: return EL_YAMYAM; /* left */ /* EMC */
+ case 0x2c: return EL_YAMYAM; /* right */ /* EMC */
+ case 0x2d: return EL_QUICKSAND_FULL;
+ case 0x2e: return EL_EMPTY_SPACE; /* EMC */
+ case 0x2f: return EL_EMPTY_SPACE; /* EMC */
+
+ case 0x30: return EL_EMPTY_SPACE; /* EMC */
+ case 0x31: return EL_SAND; /* EMC */
+ case 0x32: return EL_SAND; /* EMC */
+ case 0x33: return EL_SAND; /* EMC */
+ case 0x34: return EL_QUICKSAND_FULL; /* EMC */
+ case 0x35: return EL_QUICKSAND_FULL; /* EMC */
+ case 0x36: return EL_QUICKSAND_FULL; /* EMC */
+ case 0x37: return EL_SAND; /* EMC */
+ case 0x38: return EL_ROCK; /* EMC */
+ case 0x39: return EL_EXPANDABLE_WALL_HORIZONTAL; /* EMC */
+ case 0x3a: return EL_EXPANDABLE_WALL_VERTICAL; /* EMC */
+ case 0x3b: return EL_DYNAMITE_ACTIVE; /* 1 */
+ case 0x3c: return EL_DYNAMITE_ACTIVE; /* 2 */
+ case 0x3d: return EL_DYNAMITE_ACTIVE; /* 3 */
+ case 0x3e: return EL_DYNAMITE_ACTIVE; /* 4 */
+ case 0x3f: return EL_ACID_POOL_BOTTOM;
+
+ case 0x40: return EL_EXIT_OPEN; /* 1 */
+ case 0x41: return EL_EXIT_OPEN; /* 2 */
+ case 0x42: return EL_EXIT_OPEN; /* 3 */
+ case 0x43: return EL_BALLOON; /* EMC */
+ case 0x44: return EL_UNKNOWN; /* EMC ("plant") */
+ case 0x45: return EL_SPRING; /* EMC */
+ case 0x46: return EL_SPRING; /* falling */ /* EMC */
+ case 0x47: return EL_SPRING; /* left */ /* EMC */
+ case 0x48: return EL_SPRING; /* right */ /* EMC */
+ case 0x49: return EL_UNKNOWN; /* EMC ("ball 1") */
+ case 0x4a: return EL_UNKNOWN; /* EMC ("ball 2") */
+ case 0x4b: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x4c: return EL_EMPTY_SPACE; /* EMC */
+ case 0x4d: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x4e: return EL_INVISIBLE_WALL; /* EMC (? "android") */
+ case 0x4f: return EL_UNKNOWN; /* EMC ("android") */
+
+ case 0x50: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x51: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x52: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x53: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x54: return EL_UNKNOWN; /* EMC ("android") */
+ case 0x55: return EL_EMPTY_SPACE; /* EMC */
+ case 0x56: return EL_EMPTY_SPACE; /* EMC */
+ case 0x57: return EL_EMPTY_SPACE; /* EMC */
+ case 0x58: return EL_EMPTY_SPACE; /* EMC */
+ case 0x59: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5a: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5b: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5c: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5d: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5e: return EL_EMPTY_SPACE; /* EMC */
+ case 0x5f: return EL_EMPTY_SPACE; /* EMC */
+
+ case 0x60: return EL_EMPTY_SPACE; /* EMC */
+ case 0x61: return EL_EMPTY_SPACE; /* EMC */
+ case 0x62: return EL_EMPTY_SPACE; /* EMC */
+ case 0x63: return EL_SPRING; /* left */ /* EMC */
+ case 0x64: return EL_SPRING; /* right */ /* EMC */
+ case 0x65: return EL_ACID; /* 1 */ /* EMC */
+ case 0x66: return EL_ACID; /* 2 */ /* EMC */