+ if (editor_elements != NULL)
+ free(editor_elements);
+
+ if (!initialized)
+ {
+ /* initialize optional user defined element list */
+ LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
+ &num_editor_el_user_defined);
+
+ /* initialize list of empty elements (used for padding, if needed) */
+ for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
+ editor_el_empty[i] = EL_EMPTY;
+
+ /* do some sanity checks for each element from element list */
+ for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
+ {
+ for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
+ {
+ int element = (*editor_elements_info[i].element_list)[j];
+
+ if (element >= NUM_FILE_ELEMENTS)
+ Error(ERR_WARN, "editor element %d is runtime element", element);
+
+ if (strcmp(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT) == 0)
+ Error(ERR_WARN, "no element description for element %d", element);
+ }
+ }
+
+ initialized = TRUE;
+ }
+
+ num_editor_elements = 0;
+ use_el_empty = FALSE;
+
+ /* determine size of element list */
+ for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
+ {
+ if (*editor_elements_info[i].setup_value)
+ {
+ if (setup.editor.el_headlines)
+ num_editor_elements += *editor_elements_info[i].headline_list_size;
+
+ num_editor_elements += *editor_elements_info[i].element_list_size;
+ }
+ }
+
+ if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
+ {
+ /* offer at least as many elements as element buttons exist */
+ use_el_empty = TRUE;
+ num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
+
+ num_editor_elements += num_editor_el_empty;
+ }
+
+ editor_elements = checked_malloc(num_editor_elements * sizeof(int));
+
+ /* fill element list */
+ for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
+ {
+ if (*editor_elements_info[i].setup_value)
+ {
+ if (setup.editor.el_headlines)
+ for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
+ editor_elements[pos++] = (*editor_elements_info[i].headline_list)[j];
+
+ for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
+ editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
+ }
+ }
+
+ /* correct position of element list scrollbar */
+ if (element_shift < 0)
+ element_shift = 0;
+ if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
+ element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
+}
+
+void PrintEditorElementList()
+{
+ boolean *stop = &setup.editor.el_user_defined;
+ int i, j;
+
+ for (i = 0; editor_elements_info[i].setup_value != stop; i++)
+ {
+ for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
+ {
+ int element = (*editor_elements_info[i].headline_list)[j];
+
+ printf("# %s\n", element_info[element].token_name);
+ }
+
+ if (j > 0)
+ printf("#\n");
+
+ for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
+ {
+ int element = (*editor_elements_info[i].element_list)[j];
+
+ printf("# %s\n", element_info[element].token_name);
+ }
+
+ if (j > 0)
+ printf("#\n");
+ }
+}
+
+static void ReinitializeElementListButtons()
+{
+ static boolean last_setup_value_headlines = FALSE;
+ static boolean initialization_needed = TRUE;
+ int i;
+
+ if (!initialization_needed) /* check if editor element setup has changed */
+ {
+ if (last_setup_value_headlines != setup.editor.el_headlines)
+ initialization_needed = TRUE;
+
+ for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
+ if (editor_elements_info[i].last_setup_value !=
+ *editor_elements_info[i].setup_value)
+ initialization_needed = TRUE;
+ }
+
+ if (!initialization_needed)
+ return;
+
+ FreeLevelEditorGadgets();
+ CreateLevelEditorGadgets();
+
+ /* store current setup values for next invocation of this function */
+ last_setup_value_headlines = setup.editor.el_headlines;
+ for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
+ editor_elements_info[i].last_setup_value =
+ *editor_elements_info[i].setup_value;
+
+ initialization_needed = FALSE;
+}
+
+static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
+ boolean input)
+{
+ int border_graphic =
+ (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
+ Bitmap *src_bitmap;
+ int src_x, src_y;
+ int num_mini_tilex = width / MINI_TILEX + 1;
+ int num_mini_tiley = width / MINI_TILEY + 1;
+ int x, y;
+
+ getMiniGraphicSource(border_graphic, &src_bitmap, &src_x, &src_y);
+
+ for (y = 0; y < num_mini_tiley; y++)
+ for (x = 0; x < num_mini_tilex; x++)
+ BlitBitmap(src_bitmap, drawto, src_x, src_y, MINI_TILEX, MINI_TILEY,
+ dest_x - MINI_TILEX / 2 + x * MINI_TILEX,
+ dest_y - MINI_TILEY / 2 + y * MINI_TILEY);
+
+ ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
+}
+
+static void DrawDrawingArea(int id)
+{
+ struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
+ int x, y;
+
+ if (id == ED_DRAWING_ID_RANDOM_BACKGROUND)
+ DrawMiniGraphicExt(drawto, gi->x, gi->y,
+ el2edimg(random_placement_background_element));
+ else if (id == ED_DRAWING_ID_AMOEBA_CONTENT)
+ DrawMiniGraphicExt(drawto, gi->x, gi->y, el2edimg(level.amoeba_content));
+ else if (id == ED_DRAWING_ID_CUSTOM_GRAPHIC)
+ DrawMiniGraphicExt(drawto, gi->x, gi->y,
+ el2edimg(custom_element.gfx_element));
+ else if (id == ED_DRAWING_ID_CUSTOM_CONTENT)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ DrawMiniGraphicExt(drawto,
+ gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
+ el2edimg(custom_element.content[x][y]));
+ else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TARGET)
+ DrawMiniGraphicExt(drawto, gi->x, gi->y,
+ el2edimg(custom_element_change.target_element));
+ else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT)
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ DrawMiniGraphicExt(drawto,
+ gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
+ el2edimg(custom_element_change.content[x][y]));
+ else if (id == ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER)
+ DrawMiniGraphicExt(drawto, gi->x, gi->y,
+ el2edimg(custom_element_change.trigger_element));
+ else if (id >= ED_DRAWING_ID_ELEMENT_CONTENT_0 &&
+ id <= ED_DRAWING_ID_ELEMENT_CONTENT_7)
+ {
+ int nr = id - ED_DRAWING_ID_ELEMENT_CONTENT_0;
+
+ for (y = 0; y < 3; y++)
+ for (x = 0; x < 3; x++)
+ DrawMiniGraphicExt(drawto,
+ gi->x + x * MINI_TILEX, gi->y + y * MINI_TILEY,
+ el2edimg(level.yamyam_content[nr][x][y]));
+ }
+}
+
+static void ScrollMiniLevel(int from_x, int from_y, int scroll)
+{
+ int x,y;
+ int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
+ int dy = (scroll == ED_SCROLL_UP ? -1 : scroll == ED_SCROLL_DOWN ? 1 : 0);
+
+ BlitBitmap(drawto, drawto,
+ SX + (dx == -1 ? MINI_TILEX : 0),
+ SY + (dy == -1 ? MINI_TILEY : 0),
+ (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
+ (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
+ SX + (dx == +1 ? MINI_TILEX : 0),
+ SY + (dy == +1 ? MINI_TILEY : 0));