{
// relocation _without_ centering of screen
- int center_scroll_x = SCROLL_POSITION_X(old_x);
- int center_scroll_y = SCROLL_POSITION_Y(old_y);
- int offset_x = x + (scroll_x - center_scroll_x);
- int offset_y = y + (scroll_y - center_scroll_y);
-
- // for new screen position, apply previous offset to center position
- new_scroll_x = SCROLL_POSITION_X(offset_x);
- new_scroll_y = SCROLL_POSITION_Y(offset_y);
+ // apply distance between old and new player position to scroll position
+ int shifted_scroll_x = scroll_x + (x - old_x);
+ int shifted_scroll_y = scroll_y + (y - old_y);
+
+ // make sure that shifted scroll position does not scroll beyond screen
+ new_scroll_x = SCROLL_POSITION_X(shifted_scroll_x + MIDPOSX);
+ new_scroll_y = SCROLL_POSITION_Y(shifted_scroll_y + MIDPOSY);
}
if (quick_relocation)