+static int LoadLevel_CUS4(FILE *file, int chunk_size, struct LevelInfo *level)
+{
+ struct ElementInfo *ei;
+ int chunk_size_expected;
+ int element;
+ int i, x, y;
+
+ element = getFile16BitBE(file);
+
+ if (!IS_CUSTOM_ELEMENT(element))
+ {
+ Error(ERR_WARN, "invalid custom element number %d", element);
+
+ element = EL_DEFAULT; /* dummy element used for artwork config */
+ }
+
+ 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;
+
+ Properties[element][EP_BITFIELD_BASE] = getFile32BitBE(file);
+ ReadUnusedBytesFromFile(file, 4); /* reserved for more base properties */
+
+ ei->num_change_pages = getFile8Bit(file);
+
+ /* some free bytes for future base property values and padding */
+ ReadUnusedBytesFromFile(file, 5);
+
+ chunk_size_expected = LEVEL_CHUNK_CUS4_SIZE(ei->num_change_pages);
+ if (chunk_size_expected != chunk_size)
+ {
+ ReadUnusedBytesFromFile(file, chunk_size - 48);
+ return chunk_size_expected;
+ }
+
+ /* read custom property values */
+
+ ei->use_gfx_element = getFile8Bit(file);
+ ei->gfx_element = checkLevelElement(getFile16BitBE(file));
+
+ ei->collect_score = getFile8Bit(file);
+ ei->collect_count = 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);
+
+ ei->slippery_type = getFile8Bit(file);
+
+ for(y=0; y<3; y++)
+ for(x=0; x<3; x++)
+ ei->content[x][y] = checkLevelElement(getFile16BitBE(file));
+
+ /* some free bytes for future custom property values and padding */
+ ReadUnusedBytesFromFile(file, 12);
+
+ /* read change property values */
+
+ setElementChangePages(ei, ei->num_change_pages);
+
+ for (i=0; i < ei->num_change_pages; i++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[i];
+
+ change->events = getFile32BitBE(file);
+
+ change->target_element = checkLevelElement(getFile16BitBE(file));
+
+ change->delay_fixed = getFile16BitBE(file);
+ change->delay_random = getFile16BitBE(file);
+ change->delay_frames = getFile16BitBE(file);
+
+ change->trigger_element = checkLevelElement(getFile16BitBE(file));
+
+ change->explode = getFile8Bit(file);
+ change->use_content = getFile8Bit(file);
+ change->only_complete = getFile8Bit(file);
+ change->use_random_change = getFile8Bit(file);
+
+ change->random = getFile8Bit(file);
+ change->power = getFile8Bit(file);
+
+ for(y=0; y<3; y++)
+ for(x=0; x<3; x++)
+ change->content[x][y] = checkLevelElement(getFile16BitBE(file));
+
+ change->can_change = getFile8Bit(file);
+
+ /* some free bytes for future change property values and padding */
+ ReadUnusedBytesFromFile(file, 9);
+ }
+
+ /* mark this custom element as modified */
+ ei->modified_settings = TRUE;
+
+ return chunk_size;
+}
+