+ redraw_mask |= REDRAW_MICROLEVEL;
+}
+
+void DrawMicroLevel(int xpos, int ypos, boolean restart)
+{
+ static unsigned long scroll_delay = 0;
+ static unsigned long label_delay = 0;
+ static int from_x, from_y, scroll_direction;
+ static int label_state, label_counter;
+
+ if (restart)
+ {
+ from_x = from_y = 0;
+ scroll_direction = MV_RIGHT;
+ label_state = 1;
+ label_counter = 0;
+
+ DrawMicroLevelExt(xpos, ypos, from_x, from_y);
+ DrawMicroLevelLabelExt(label_state);
+
+ /* initialize delay counters */
+ DelayReached(&scroll_delay, 0);
+ DelayReached(&label_delay, 0);
+
+ return;
+ }
+
+ /* scroll micro level, if needed */
+ if ((lev_fieldx > STD_LEV_FIELDX || lev_fieldy > STD_LEV_FIELDY) &&
+ DelayReached(&scroll_delay, MICROLEVEL_SCROLL_DELAY))
+ {
+ switch (scroll_direction)
+ {
+ case MV_LEFT:
+ if (from_x > 0)
+ from_x--;
+ else
+ scroll_direction = MV_UP;
+ break;
+
+ case MV_RIGHT:
+ if (from_x < lev_fieldx - STD_LEV_FIELDX)
+ from_x++;
+ else
+ scroll_direction = MV_DOWN;
+ break;
+
+ case MV_UP:
+ if (from_y > 0)
+ from_y--;
+ else
+ scroll_direction = MV_RIGHT;
+ break;
+
+ case MV_DOWN:
+ if (from_y < lev_fieldy - STD_LEV_FIELDY)
+ from_y++;
+ else
+ scroll_direction = MV_LEFT;
+ break;
+
+ default:
+ break;
+ }
+
+ DrawMicroLevelExt(xpos, ypos, from_x, from_y);
+ }
+
+ /* redraw micro level label, if needed */
+ if (strcmp(level.name, NAMELESS_LEVEL_NAME) != 0 &&
+ strcmp(level.author, ANONYMOUS_NAME) != 0 &&
+ strcmp(level.author, leveldir[leveldir_nr].name) != 0 &&
+ DelayReached(&label_delay, MICROLEVEL_LABEL_DELAY))
+ {
+ label_counter = (label_counter + 1) % 23;
+ label_state = (label_counter >= 0 && label_counter <= 7 ? 1 :
+ label_counter >= 9 && label_counter <= 12 ? 2 :
+ label_counter >= 14 && label_counter <= 21 ? 3 : 0);
+ DrawMicroLevelLabelExt(label_state);
+ }