+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ ei_to->content.e[x][y] = ei_from->content.e[x][y];
+
+ ei_to->explosion_type = ei_from->explosion_type;
+ ei_to->explosion_delay = ei_from->explosion_delay;
+ ei_to->ignition_delay = ei_from->ignition_delay;
+
+ /* ---------- reinitialize and copy change pages ---------- */
+
+ ei_to->num_change_pages = ei_from->num_change_pages;
+ ei_to->current_change_page = ei_from->current_change_page;
+
+ setElementChangePages(ei_to, ei_to->num_change_pages);
+
+ for (i=0; i < ei_to->num_change_pages; i++)
+ ei_to->change_page[i] = ei_from->change_page[i];
+
+ /* ---------- copy group element info ---------- */
+ if (ei_from->group != NULL && ei_to->group != NULL) /* group or internal */
+ *ei_to->group = *ei_from->group;
+
+ /* mark this custom element as modified */
+ ei_to->modified_settings = TRUE;
+}
+
+static void replace_custom_element_in_settings(int element_from,
+ int element_to)
+{
+ int i, j, x, y;
+
+ for (i = 0; i < NUM_FILE_ELEMENTS; i++)
+ {
+ struct ElementInfo *ei = &element_info[i];
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ if (ei->content.e[x][y] == element_from)
+ ei->content.e[x][y] = element_to;
+
+ for (j = 0; j < ei->num_change_pages; j++)
+ {
+ struct ElementChangeInfo *change = &ei->change_page[j];
+
+ if (change->target_element == element_from)
+ change->target_element = element_to;
+
+ if (change->trigger_element == element_from)
+ change->trigger_element = element_to;
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ if (change->target_content.e[x][y] == element_from)
+ change->target_content.e[x][y] = element_to;
+ }
+
+ if (ei->group != NULL) /* group or internal */
+ for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
+ if (ei->group->element[j] == element_from)
+ ei->group->element[j] = element_to;
+ }
+}
+
+static void replace_custom_element_in_playfield(int element_from,
+ int element_to)
+{
+ int x, y;
+
+ for (x = 0; x < lev_fieldx; x++)
+ for (y = 0; y < lev_fieldy; y++)
+ if (Feld[x][y] == element_from)
+ Feld[x][y] = element_to;
+}
+
+static boolean CopyCustomElement(int element_old, int element_new,
+ int copy_mode)
+{
+ if (copy_mode == GADGET_ID_CUSTOM_COPY)
+ {
+ element_new = (IS_CUSTOM_ELEMENT(element_old) ?
+ EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
+ copy_mode = GADGET_ID_CUSTOM_COPY_TO;
+ }
+ else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
+ {
+ element_old = (IS_CUSTOM_ELEMENT(element_new) ?
+ EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
+ copy_mode = GADGET_ID_CUSTOM_COPY_TO;
+
+ level.changed = TRUE;
+ }
+ else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
+ {
+ Request("Please choose custom element !", REQ_CONFIRM);
+
+ return FALSE;
+ }
+ else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
+ {
+ Request("Please choose group element !", REQ_CONFIRM);
+
+ return FALSE;
+ }
+ else
+ {
+ level.changed = TRUE;
+ }
+
+ if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
+ {
+ copy_custom_element_settings(element_new, element_old);
+ }
+ else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
+ {
+ copy_custom_element_settings(element_old, element_new);
+ }
+ else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
+ {
+ copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
+ copy_custom_element_settings(element_new, element_old);
+ copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
+
+ replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
+ replace_custom_element_in_settings(element_new, element_old);
+ replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
+
+ replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
+ replace_custom_element_in_playfield(element_new, element_old);
+ replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
+ }
+
+ UpdateCustomElementGraphicGadgets();
+ DrawPropertiesWindow();
+
+ return TRUE;
+}
+
+static void CopyCustomElementPropertiesToEditor(int element)
+{
+ int i;
+ int current_change_page = element_info[element].current_change_page;
+
+ /* dynamically (re)build selectbox for selecting change page */
+ for (i = 0; i < element_info[element].num_change_pages; i++)
+ {
+ sprintf(options_change_page_strings[i], "%d", i + 1);
+
+ options_change_page[i].value = i;
+ options_change_page[i].text = options_change_page_strings[i];
+ }
+
+ options_change_page[i].value = -1;
+ options_change_page[i].text = NULL;
+
+ /* needed here to initialize combined element properties */
+ InitElementPropertiesEngine(level.game_version);
+
+ element_info[element].change =
+ &element_info[element].change_page[current_change_page];
+
+ custom_element = element_info[element];
+ custom_element_change = *element_info[element].change;
+
+ /* needed to initially set selectbox options for special action options */
+ setSelectboxSpecialActionOptions();
+
+ /* needed to initially set selectbox value variables to reliable defaults */
+ for (i = 0; i < ED_NUM_SELECTBOX; i++)
+ setSelectboxValue(i, *selectbox_info[i].value);
+
+ for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
+ custom_element_properties[i] = HAS_PROPERTY(element, i);
+
+ for (i = 0; i < NUM_CHANGE_EVENTS; i++)
+ custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
+
+ /* ---------- element settings: configure (custom elements) ------------- */
+
+ /* set accessible layer selectbox help value */
+ custom_element.access_type =
+ (IS_WALKABLE(element) ? EP_WALKABLE :
+ IS_PASSABLE(element) ? EP_PASSABLE :
+ custom_element.access_type);
+ custom_element.access_layer =
+ (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
+ IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
+ IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
+ custom_element.access_layer);
+ custom_element.access_protected =
+ (IS_PROTECTED(element) ? 1 : 0);
+ custom_element_properties[EP_ACCESSIBLE] =
+ (IS_ACCESSIBLE_OVER(element) ||
+ IS_ACCESSIBLE_INSIDE(element) ||
+ IS_ACCESSIBLE_UNDER(element));
+
+ /* set walk-to-object action selectbox help value */
+ custom_element.walk_to_action =
+ (IS_DIGGABLE(element) ? EP_DIGGABLE :
+ IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
+ IS_DROPPABLE(element) ? EP_DROPPABLE :
+ IS_THROWABLE(element) ? EP_THROWABLE :
+ IS_PUSHABLE(element) ? EP_PUSHABLE :
+ custom_element.walk_to_action);
+ custom_element_properties[EP_WALK_TO_OBJECT] =
+ (IS_DIGGABLE(element) ||
+ IS_COLLECTIBLE_ONLY(element) ||
+ IS_DROPPABLE(element) ||
+ IS_THROWABLE(element) ||
+ IS_PUSHABLE(element));
+
+ /* set smash targets selectbox help value */
+ custom_element.smash_targets =
+ (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
+ CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
+ CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
+ custom_element.smash_targets);
+ custom_element_properties[EP_CAN_SMASH] =
+ (CAN_SMASH_EVERYTHING(element) ||
+ CAN_SMASH_ENEMIES(element) ||
+ CAN_SMASH_PLAYER(element));
+
+ /* set deadliness selectbox help value */
+ custom_element.deadliness =
+ (DONT_TOUCH(element) ? EP_DONT_TOUCH :
+ DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
+ DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
+ custom_element.deadliness);
+ custom_element_properties[EP_DEADLY] =
+ (DONT_TOUCH(element) ||
+ DONT_COLLIDE_WITH(element) ||
+ DONT_RUN_INTO(element));
+
+ /* ---------- element settings: advanced (custom elements) --------------- */
+
+ /* set "change by direct action" selectbox help value */
+ custom_element_change.direct_action =
+ (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
+ HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
+ HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
+ HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
+ HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
+ HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
+ HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
+ HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
+ HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
+ HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
+ HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
+ HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
+ HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
+ custom_element_change.direct_action);
+
+ /* set "change by other element action" selectbox help value */
+ custom_element_change.other_action =
+ (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
+ HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
+ HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
+ HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
+ HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
+ HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
+ HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
+ HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
+ HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
+ HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
+ HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
+ HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
+ HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
+ HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
+ HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
+ custom_element_change.other_action);
+}
+
+static void CopyGroupElementPropertiesToEditor(int element)
+{
+ group_element_info = *element_info[element].group;
+ custom_element = element_info[element]; /* needed for description */
+}
+
+static void CopyClassicElementPropertiesToEditor(int element)
+{
+ if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
+ custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
+ getMoveIntoAcidProperty(&level, element);
+
+ if (MAYBE_DONT_COLLIDE_WITH(element))
+ custom_element_properties[EP_DONT_COLLIDE_WITH] =
+ getDontCollideWithProperty(&level, element);
+}
+
+static void CopyElementPropertiesToEditor(int element)
+{
+ if (IS_CUSTOM_ELEMENT(element))
+ CopyCustomElementPropertiesToEditor(element);
+ else if (IS_GROUP_ELEMENT(element))
+ CopyGroupElementPropertiesToEditor(element);
+ else
+ CopyClassicElementPropertiesToEditor(element);
+}
+
+static void CopyCustomElementPropertiesToGame(int element)
+{
+ int i;
+ int access_type_and_layer;
+
+ /* mark that this custom element has been modified */
+ custom_element.modified_settings = TRUE;
+ level.changed = TRUE;
+
+ if (level.use_custom_template)
+ {
+ if (Request("Copy and modify level template ?", REQ_ASK))
+ {
+ level.use_custom_template = FALSE;
+ ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
+ GDI_CHECKED, FALSE, GDI_END);
+ }
+ else
+ {
+ LoadLevelTemplate(-1); /* this resets all element modifications ... */
+
+ DrawEditModeWindow(); /* ... and copies them to 'custom_element' */
+ }
+ }
+
+ element_info[element] = custom_element;
+ *element_info[element].change = custom_element_change;
+
+ /* ---------- element settings: configure (custom elements) ------------- */
+
+ /* set accessible property from checkbox and selectbox */
+ custom_element_properties[EP_WALKABLE_OVER] = FALSE;
+ custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;