Migrating monster attempting to arrive on a level which is already
full of monsters gets killed off. It was leaving a corpse without
regard for whether it was a type of of monster which should never
leave corpses.
I'd prefer that it be put back on the migrating_mons list rather
than be killed off, but this just suppresses impossible corpses.
Fixed declarations of draw_classic, draw_vertical and draw_horizontal.
Moved definitions of locals before code. Added initialization of
locals. Changed comments to c-style.
Replace an old instance of direct manipulation of an intrinsic.
If life-saving occurs 1 turn before sickness will kill the hero,
the sickness if cured. But it was leaving delated_killer for SICK
allocated. Harmless but a bug none the less.
Calling wormgone will also remove the long worm monster from
the map, not just the worm tail. Put the monster back on map
so relmon can actually remove it properly.
When a long worm was removed from the map, the segments for that worm
retained their map location info. This caused problems later on if
wormgone (or toss_wsegs) was called, because it would try to remove the
segments of that worm from the map.
If long worm attacks you, and you have a passive response that may
kill the worm (eg. blue jelly), the worm may die in the middle of
a loop checking for a worm segment that can attack. This'll cause
a segfault because the worm segments will get freed.
If the worm dies, just exit the loop.
When using rloc and friends to move monsters, and the monster
happens to be a long worm, the tail may get randomly placed
in the same place where the long worm was removed from.
In the cases where we expect the location to really be free,
explicitly recheck the location for a monster after rloc.
Two different cases here: a) Vault guard did not move away monsters
except if they were standing on gold, and b) moving away monsters
on a completely filled level did not work
Sometimes we free the monster data, but the monster is not on the
map - usually this happens if the map is full of monsters and a new one
is migrated on the level.
Make m_detach check the monster x coordinate, so it knows not to touch the map
if the monster isn't on it.
