Chainsaw now works with new scheme
Fixed curr_lvl ref when firing gun at ceiling or ground
References to curr_lvl and deleted is_clear() in __uncontrolled_move()
Get adjacent door as apparently never called.
curr_lvl references in empty_box()
Moving down a level now working under new scheme.
Using up stairs works in new scheme
Fixed curr_lvl reference in player_moves_onto_special_square
Fixed curr_lvl references in throwing item functions
Removed remaining references to curr_lvl
If lifts were destroyed, they were showing up in cyberspace as their respective trap type.
Fixed crash when accessing directory of online robots