Door opening on both sides should be added, since players seem to love
the spanish solution and keep trying to build tracks with platforms on
both sides.
Indeed, I was originally planning to implement this, but there is a
problem. Doors work by the means of model animations. There is an
animation for
- opening/closing left door while right one is closed
- opening/closing right door while left one is closed
But when we would add this, there need to be animations for:
- opening/closing left door while right one is open
- opening/closing right door while left one is open
- opening/closing both sides at the same time
... increasing the effort by more than double