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Older DMX's OPL voice allocation algorithm
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Prefer replacing a second voice before a voice from a higher-
numbered channel. This resolves some issues with the MAP01 music,
as noted in comments on #468; it may not be Vanilla behavior in
terms of code but seems to better match it based on observation,
and makes logical sense.
Also adjust code to fit to the 80 column limit.
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fixes #511
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This might seem presumptuous but is actually legitimate. The version
of sha1.c here is derived from cipher/sha1.c from the GnuPG 1.4 stable
branch in 2012. Since October 2007, all GnuPG releases have been made
under the GPLv3, but the earlier releases were under GPLv2 and there
do not appear to have been any changes to sha1.c between 2007 and
2012. So the same file was previously released under the GPLv2.
The relevant commit from the GnuPG Git repository is 9a2a818887b4d36c;
this commit is essentially a revert of the part of that commit that
applies to cipher/sha1.c.
This fixes #479.
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The id Anthology version of doom2.exe with Final Doom fixed the "Sky
never changes in Doom II" bug. The original Doom source release
included the repaired code, but it was re-bugged in an early Chocolate
Doom version to emulate the behavior of the better-known versions of
vanilla.
Thanks to @fabiangreffrath for demonstrating how he (more-generically)
fixed the bug in Crispy Doom.
Closes #533
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The old AES implementation was from GnuPG, which is GPLv3 and not
compatible with Chocolate Doom's GPLv2 license. Switch to the
implementation of AES found inside the Linux kernel instead.
This fixes #479, #507.
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This was removed back in d190b596c566394717324296cbf6b46e67c64f5c;
at the time I didn't understand what it was or how it was supposed
to be used - it seemed like cruft left over from Doom's development.
It is actually a potentially useful feature for level authors when
developing their maps. See here: http://doomwiki.org/wiki/Reload_hack
The reload hack is a relatively obscure feature of limited usefulness
nowadays, but nonetheless a technical curiosity that ought to be
preserved in Chocolate Doom.
The reimplementation here is a lot cleaner than the original version
from the source release: W_Reload() is based on a call to W_AddFile(),
we don't reopen the reload file every time we want to read a lump,
and we include a check in W_AddFile() that we are not trying to use
the hack on more than one PWAD file.
This fixes #539.
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Fixed by commenting out the reported variables and their settings
instead of removing them. Since I am not sure if they were added by
mistake or by purpose and then overseen, I think it's better to keep
them in the code but not compile them in for now.
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The "extern char player_names[8][16]" array is already declared in
hu_stuff.h:59.
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These were caused by loops which caused overflow of variables of type
angle_t (= unsigned) by multiplication with iterators of typed int in
angle calculations. Changing the type of the iterator variables to
"unsigned int" prevents the undefined behavior.
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Actually, it was already impossible for the reported variables to be
used uninitialized, because they were all assigned a value by calling
ReadByte() and the function would return if that failed. However, the
compiler couldn't know about this fact, so we do him the favor and
initialized them to 0.
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The Hexen demo IWAD is "detected" as v1.0 because it's missing the
same lumps that the commercial v1.0 IWAD is missing, but we don't
want to show the warning message if we're playing the demo; it is
supported.
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The Hexen v1.0 IWAD file differs too much from the v1.1 IWAD file and
can't be reasonably supported by us. Show a warning message on startup
if the user appears to be trying to play using the v1.0 IWAD file.
This fixes #537.
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Remove a redundant check from an ORer condition. Unlike in Doom, in
Hexen the player->message element is not a pointer, but a char[80]
array. Its address will never be NULL and thus will never get
interpreted as "false". Hence, the check for "!player->message" will
never be "true" and a check for "|| false)" is a no-op.
Thanks to @edward-san for finding this with clang-3.6!
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This fixes warnings that are caused by calling GET_LONG without using
its return value, e.g.:
sv_save.c: In function ‘StreamIn_player_t’:
../../src/i_swap.h:34:20: warning: value computed is not used [-Wunused-value]
#define LONG(x) ((signed int) SDL_SwapLE32(x))
^
sv_save.c:33:18: note: in expansion of macro ‘LONG’
#define GET_LONG LONG(*SavePtr.l++)
^
sv_save.c:349:5: note: in expansion of macro ‘GET_LONG’
GET_LONG;
^
Introducing a "long dummy" variable and calling "dummy = GET_LONG" does
not help, because this provokes another warning, rightfully so:
sv_save.c: In function ‘StreamIn_player_t’:
sv_save.c:346:10: warning: variable ‘dummy’ set but not used [-Wunused-but-set-variable]
long dummy;
Assigning the return value directly to the struct field results in:
sv_save.c: In function ‘StreamIn_player_t’:
sv_save.c:349:13: warning: assignment makes pointer from integer without a cast [-Wint-conversion]
str->mo = GET_LONG;
Adding the cast to "(void *)" results in:
sv_save.c: In function ‘StreamIn_player_t’:
sv_save.c:349:15: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
str->mo = (void *) GET_LONG;
Adding the intermediate cast to "(intptr_t)" finally silences the
compiler. Phew!
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This fixes the following two warnings
cast from pointer to integer of different size
cast to pointer from integer of different size
by either changing some ints that are supposed to hold pointers
to intptr_t type or by intermediate casting to (intptr_t).
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When using the -playdemo parameter, we support a convenience feature
where the .lmp extension is not appended if it is already part of the
filename. This makes tab completion much nicer. But if the .lmp file
has a filename that is in all-caps (.LMP) we were still appending the
extension because the check was case sensitive. Change the check to
be case insensitive.
This fixes #501 (thanks Ioan Chera).
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When an mobj_t is freed, any currently-playing sounds attached to that
object are stopped, but the sound code was leaving a dangling pointer
to the freed mobj_t that was flagged by the -zonescan checks.
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As further tooling to help debug bugs like #530, add a command line
parameter that will scan the zone heap every time a block of memory
is freed with Z_Free(), to detect dangling pointers to the freed
block.
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As seen in bug #530, some of the game code can in some situations hold
pointers to, and dereference, freed sections of the zone heap. Add a
new command line parameter that zeroes out memory of blocks when they
are freed with Z_Free(), hopefully exposing code that depends on
reading freed memory.
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Save the next pointer in the P_RunThinkers() loop when iterating through
thinkers, so that if the current thinker is freed we can still advance
to the next thinker without dereferencing freed memory.
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This file is empty and contains no code, as it was factored out into
the common m_misc.c during raven-branch development. The Heretic
version got removed once it was empty but the Hexen one wasn't, for
some reason.
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Chocolate Doom fails to properly parse the last line in DEHACKED files
that are missing a newline character at the end of the file (which
might have been a common sickness to DOS editors).
This is, because DEH_GetChar() returns -1 at EOF and DEH_ReadLine() in
turn immediately returns NULL if the result of (DEH_GetChar() < 0),
regardless of the content of the readbuffer. It only returns a pointer
to the content of the readbuffer if DEH_GetChar() returns '\n' which
is, however, impossible if there is no such character before the file
ends.
Now DEH_ReadLine() only returns NULL if the readbuffer is empty at the
end of the file and returns a valid pointer else.
Fixes #531
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This control seemed redundant, as we have the control below it that
selects the gamepad to use. So remove it and set the usejoystick
variable automatically based on whether joystick_index has been
configured to point to a valid device.
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When applying defaults for a particular gamepad, we must clear all
the current buttons, and the jump binding wasn't on this list for
some reason.
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This reverts my last change. I was testing with the Gravis Gamepad and
had the switch for left-handed mode turned on and didn't realise
(embarrassing!)
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Directions were backwards for both X and Y axes when testing with an
original Gravis Gamepad.
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SDL_WarpMouse() can create mouse events that are later interpreted
as user mouse input. Thanks Super6-4 for this fix.
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setup: add support for the Xbox One controller on Linux
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The identified name/signature for this adapter is different under OS X.
Also fix a mistake in the last commit.
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This configuration supports the "Super Joy Box 7" USB gameport adapter,
for people using old PC gameport joysticks / gamepads. The button
configuration matches the original Vanilla configuration, for
authenticity.
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These were added ages ago as hacks to make the code compile with SDL2,
back when SDL2 was still in development. They aren't relevant any more
and aren't useful - the actual SDL2 port is proceeding on sdl2-branch.
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The wiki now has documentation pages for most of the windows in the
setup tool. Add help URLs that link to these.
One other minor change here is that the warp button on the main menu
had to change to F2 instead of F1, which is now the help key.
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Add support for the Hexen 4 Level Demo Version
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... and decrease its value from MAXPLAYERS (i.e. 8) to 4 if
(gamemode == shareware). It seems that it was hard-coded to this value
until some time between the releases of the Demo and the Full version.
Arrays are still declared with their full width of 8, though, they are
just not iterated over the whole range anymore. This fixes playback of
the IWAD demos.
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When generating string representations of network addresses, include
the UDP port number if it isn't the standard port number. This is
necessary because the string version of the address is used by the
setup tool when filling in the address field; if a non-standard port
is used then it needs to be included.
Also fix byte swapping on the address portion in the same function.
Thanks to Alexandre-Xavier for the bug report on #469.
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M_StringCopy() must always be provided a buffer of at least one
character long, so that a NUL character can be written. If this is
not the case, return immediately and indicate that the buffer was
truncated.
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These are leftover files that were kept around for posterity in the
heretic/ and hexen/ directories, that contained system-specific DOS
code used in the DOS versions of the games. There's no real reason
to keep these files around any more and it's confusing having them
around: some people who have tried to compile the code have
mistakenly tried to include these files in compilation.
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