+ return;
+ }
+
+ UnmapAllGadgets();
+
+ FreeScreenGadgets();
+ CreateScreenGadgets();
+
+ FadeOut(fade_mask);
+
+ // needed if different viewport properties defined for choosing level (set)
+ ChangeViewportPropertiesIfNeeded();
+
+ if (game_status == GAME_MODE_NAMES)
+ SetMainBackgroundImage(IMG_BACKGROUND_NAMES);
+ else if (game_status == GAME_MODE_LEVELNR)
+ SetMainBackgroundImage(IMG_BACKGROUND_LEVELNR);
+ else if (game_status == GAME_MODE_LEVELS)
+ SetMainBackgroundImage(IMG_BACKGROUND_LEVELS);
+
+ ClearField();
+
+ OpenDoor(GetDoorState() | DOOR_NO_DELAY | DOOR_FORCE_REDRAW);
+
+ MapScreenTreeGadgets(*ti_ptr);
+ HandleChooseTree(0, 0, 0, 0, MB_MENU_INITIALIZE, ti_ptr);
+
+ DrawMaskedBorder(fade_mask);
+
+ FadeIn(fade_mask);
+}
+
+static void drawChooseTreeText(int y, boolean active, TreeInfo *ti)
+{
+ int num_entries = numTreeInfoInGroup(ti);
+ boolean scrollbar_needed = (num_entries > NUM_MENU_ENTRIES_ON_SCREEN);
+ int scrollbar_xpos = SC_SCROLLBAR_XPOS + menu.scrollbar_xoffset;
+ int screen_width = (scrollbar_needed ? scrollbar_xpos : SXSIZE);
+ int first_entry = ti->cl_first;
+ int entry_pos = first_entry + y;
+ TreeInfo *node_first = getTreeInfoFirstGroupEntry(ti);
+ TreeInfo *node = getTreeInfoFromPos(node_first, entry_pos);
+ int font_color = MENU_CHOOSE_TREE_COLOR(node, active);
+ int font_nr = MENU_CHOOSE_TREE_FONT(font_color);
+ int font_xoffset = getFontBitmapInfo(font_nr)->draw_xoffset;
+ int xpos = MENU_SCREEN_START_XPOS;
+ int ypos = MENU_SCREEN_START_YPOS + y;
+ int startx = amSX + xpos * 32;
+ int starty = amSY + ypos * 32;
+ int startx_text = startx + font_xoffset;
+ int endx_text = amSX + screen_width;
+ int max_text_size = endx_text - startx_text;
+ int max_buffer_len = max_text_size / getFontWidth(font_nr);
+ char buffer[max_buffer_len + 1];
+
+ strncpy(buffer, node->name, max_buffer_len);
+ buffer[max_buffer_len] = '\0';
+
+ DrawText(startx, starty, buffer, font_nr);
+}
+
+static void drawChooseTreeList(int first_entry, int num_page_entries,
+ TreeInfo *ti)
+{
+ int i;
+ char *title_string = NULL;
+ int yoffset_sets = MENU_TITLE1_YPOS;
+ int yoffset_setup = 16;
+ int yoffset = (ti->type == TREE_TYPE_LEVEL_DIR ||
+ ti->type == TREE_TYPE_LEVEL_NR ? yoffset_sets : yoffset_setup);
+
+ title_string = ti->infotext;
+
+ DrawTextSCentered(mSY - SY + yoffset, FONT_TITLE_1, title_string);
+
+ clearMenuListArea();
+
+ for (i = 0; i < num_page_entries; i++)
+ {
+ TreeInfo *node, *node_first;
+ int entry_pos = first_entry + i;
+
+ node_first = getTreeInfoFirstGroupEntry(ti);
+ node = getTreeInfoFromPos(node_first, entry_pos);
+
+ drawChooseTreeText(i, FALSE, ti);
+
+ if (node->parent_link)
+ initCursor(i, IMG_MENU_BUTTON_LEAVE_MENU);
+ else if (node->level_group)
+ initCursor(i, IMG_MENU_BUTTON_ENTER_MENU);
+ else
+ initCursor(i, IMG_MENU_BUTTON);
+
+ if (game_status == GAME_MODE_NAMES)
+ drawChooseTreeEdit(i, FALSE);
+ }
+
+ redraw_mask |= REDRAW_FIELD;
+}
+
+static void drawChooseTreeInfo(int entry_pos, TreeInfo *ti)
+{
+ TreeInfo *node, *node_first;
+ int x, last_redraw_mask = redraw_mask;
+ int ypos = MENU_TITLE2_YPOS;
+ int font_nr = FONT_TITLE_2;
+
+ if (ti->type == TREE_TYPE_LEVEL_NR)
+ DrawTextFCentered(ypos, font_nr, leveldir_current->name);
+
+ if (ti->type != TREE_TYPE_LEVEL_DIR)