Subtracting one dungeon depth value from another had the subtraction
backwards and that yielded a negative value where a positive one is
expected. If NH_RELEASE_STATUS were to be set to NH_STATUS_RELEASED
then this was at risk of crashing (if the bad subtraction yields -2,
rn2(diff+2) would divide by 0) since rn2()'s argument isn't validated
for released version.
fixes37.0 was confused, listing a couple of things that aren't bugs
in 3.6 as general fixes. I suspect that the DLB one was fixed before
being exposed via git, so shouldn't be there at all.
Poly'd hero hiding on the ceiling was told "you can't go down here"
if using '>' at a spot that didn't have down stairs, trap door, hole,
or pit. Let '>' bring a ceiling hider out of hiding; lurker above
resumes flying, piercer falls to floor or whatever is underneath it.
Izchak implemented the mysterious force and as far as I'm concerned,
it's here to stay. But it can be fine tuned. This is an experimental
attempt to make it happen less. Each time it happens, the chance for
it happening again later will usually go down by an amount proportional
to how far it sent the hero back. So chaotics will be sent back--or
"side to side"--less often than in 3.6.x but the tapering off of such
occurrences will be slower for them. Lawfuls will also be sent back
less often--still potentially farther down than others--but tapering
off of send backs for them will be quicker.
I'll let somebody else figure out the before and after values for
number of attempts to climb up it takes to finally get out of Gehennom.
The numbers might need tuning.
do.c:1005:54: warning: address of function 'uescaped_shaft' will always
evaluate to 'true' [-Wpointer-bool-conversion]
if (trap && (uteetering_at_seen_pit(trap) || uescaped_shaft)) {
~~ ^~~~~~~~~~~~~~
A reddit thread about an unaligned altar in an aligned temple was
a tipoff that mimics posing as altars didn't have any particular
alignment. The look-at code was misusing an operloaded field of the
underlying terrain. Pick an alignment at random when taking on the
appearance of an altar, store it in the mimic's mon->mextra->mcorpsenm
field, and have look-at use that.
Also, dropping a ring of polymorph into a sink can transform it, and
one possible outcome is an altar. In this case, the alignment is
part of the location's topology, but code setting that up was using
Align2amask(rn2(foo)). That's a macro which evaluates its argument
more than once. The first evaluation was effectively a no-op. If
the second evaluation picked lawful then the result was lawful as
intended. But if the second picked non-lawful and the third picked
lawful, the result would end up as none-of-the-above (a value of 3
when it needs to be a single-bit mask of 1, 2, or 4).
Make some progress on a couple of next minor release checklist
items, hopefully without introducing too many new bugs. This
is just the initial commit, and work continues.
Checklist items:
Savefiles compatible between Windows versions, whether 64-bit
or 32-bit in little-endian field format.
Selection of file formats:
historical (structlevel saves),
lendian (little-endian, fieldlevel saves),
and just for proof-of-concept, ascii fieldlevel saves
(the ascii is huge! 10x bigger than little-endian).
For the fieldlevel save, all complex data structures recursively
get broken down until until it is one of the simple types that
can't be broken down any further, and that gets when it gets
written to the output file.
New files needed for this build:
hand-coded:
include/sfprocs.h
src/sfbase.c - really a dispatcher to one of the
output/input format routines.
src/sflendian.c - little-endian output writer/reader.
src/sfascii.c - ascii text output writer/reader.
auto-coded (generated):
include/sfproto.h
src/sfdata.c
This is just one approach. I'm sure there are countless others
and they have different pros and cons.
For producing the auto-coded files a utility called
universal-ctags, that is actively maintained and evolving,
was used to do all the heavy-lifting of parsing the
NetHack C sources to tabulate the data fields, and store
them in an intermediate file called util/nethack.tags
(not required for building NetHack if you already have a
generated include/sfproto.h and src/sfdata.c)
util/readtags (also not required for building NetHack
itself) will decipher the nethack.tags file and produce
the functions that can deal with the NetHack struct data
fields.
You can obtain the source for universal-ctags by cloning it
from here:
https://github.com/universal-ctags/ctags.git
The combination universal-ctags + util/readtags has been
tried and tested under both Windows and Linux, so it is
not tied to a particular platform.
Note: util/readtags will work only with universal-ctags
output, so other ctags are unlikely to work as-is.
Universal-ctags can be build from source very easily
under Linux, or under Windows using visual studio.
Changing an inventory item's bknown flag wasn't followed by a call to
update_inventory() in many circumstances, so information which should
have appeared wasn't showing up until some other event triggered an
update.
Make the Plane of Water be water all the way to edge instead of having
stone on left, top, and right. The Plane of Air already has air all
the way to edge (including unused/unuseable column #0) but does so via
code rather than the level description file so Water does that now too.
The edges of the Plane of Air were cloudless (3 columns on the left,
2 rows on the top, and 2 columns on the right; don't recall about the
bottom) and that looked pretty strange. Those rows and columns are
beyond the range of bubble/cloud movement so just make some of those
spots randomly be sight-blocking cloud terrain instead of all open air.
It isn't integrated with the moving clouds but looks fairly good when
the hero moves along the edge of the level.
Using wizard mode to leave Water or Air and later return resulted in
no clouds on the Air level and bubbles as usual on the Water level.
I still don't understand why, but on return to those levels run the
bubble creation routine as if the old discarded bubbles or clouds were
being restored.
Leaving the Plane of Water to return to a previously visited endgame
level didn't free the air bubbles unless/until you visit a new level.
Returning to that level creates a new set of air bubbles, losing track
of the previous set. Likewise with Plane of Air and its clouds. (Not
an issue with actual save and restore when on those levels, or when
just moving forward to not-yet-visited levels.)
Not applicable to normal play where it isn't possible to return to a
previously visited endgame level.
For 3.7, bubble save/restore ought to become part of savlev() instead
of being handled by savegamestate().
Lock context wasn't being cleared if it was for a container and that
container got destroyed. Case discovered was forcelock() ->
breakchestlock() -> delobj() (sometimes the container is destroyed
rather than just breaking its lock) followed by #wizmakemap (replace
current level) and maybe_reset_pick() trying to check whether
xlock.box was being carried. But being interrupted, destroying the
container or dropping it down a hole to ship it to another level, then
attempting to resume picking the lock would also find a stale pointer.
This is branched from Alex's hallu-rng-stability branch,
with two build corrections (detect.c, zap.c), and merged
with the isaac64 branch that we have ready to go.
Alex's dual rng is supported by setting up the array
of multiple isaac64 contexts.
I stuck with Alex's approach of passing the rng function
name around as the parameter (rng or rn2_on_display_rng)
for the new additional parameter needed for
set_random(), init_random(), reseed_random(),
and init_isaac64().
For platforms that read from the system's random number generator,
reseed during level change, before the map of a new level is created and
after level creation has finished.
Reported 14 months ago, a monster reading a scroll of earth which
dropped a boulder that killed another monster in an adjacent pit
was giving credit/blame to the hero and could also trigger a panic.
If the monster was killed, the pit would be filled and deleted via
m_detach and then when flooreffects tried to delete the same trap,
it accessed freed memory and deltrap could panic.
The check I added to make sure that a monster was at the hero's
coordinates before deciding to move one or the other would have been
confused by a long worm's tail. Check that they're at that spot but
not by comparing monst.<mx,my> coordinates with <ux,uy>.
Also, don't have wiz_makemap() assume that each level of the Wizard's
Tower has the same boundary coordinates. Keep track of whether hero
is inside that tower before discarding the old level.
Both u_on_rndspot() and losedogs() might result in having a monster
and the hero be at the same location. Have wiz_makemap() use the
same fixup for that as goto_level().
Dropping an existing fragile item while levitating will usually
break it. Getting a new wished-for fragile item and dropping it
because of fumbling or overfull inventory never would.
Some callers of hold_another_object() held on to its return value,
others discarded that. That return value was unsafe if the item
was dropped and fell down a hole (or broke [after this change]).
Return Null if we can't be sure of the value, and make sure all
callers are prepared to deal with Null.
