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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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The src string may be unterminated and the call to strncpy() be
terminated by reaching dest_size. Instead of calling strlen() on the
src string, check if it has a NUL byte at the same position as the
dest string -- if not, the string was truncated.
Valgrind now gives thumbs up!
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This is meant to be passed over to I_AtExit() which expects an
argument of void type. It thus prevents undefined behaviour because
of the different signature of G_CheckDemoStatus() which is of boolean
type.
Fixes #519
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I think it fits better there and in case further inline fuctions are
introduced in files other than i_scale.c, it should not be necessary
to copy this definition around.
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into hexndemo
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instead of interating through the list for the full version
and letting missing texture lumps slip through.
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The floor->type and floor->crush fields of the floor thinkers added in
EV_BuildStairs() were originally left uninitialized and thus contained
random memory content.
Initialize them to make sure the floor->type field does not trigger
propagation of random content into the special and texture fields of
the adjacent sector in T_MoveFloor(). That is, make sure its value
is neither donutRaise, i.e. 11, nor lowerAndChange, i.e. 6.
Also, the chances of 32 bit of random memory being "true", i.e. 0, are
negligible.
This is functionally equivalent to what PrBoom+ is doing.
Fixes desync of mm09-512.lmp.
Fixes #368.
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For bug compatibility with the original 4-level Demo. Confirmed on
map04 with the Demo version with the following md5sums:
458d3ff08d32fc50abb55a5b68660b6b HEXEN.EXE
876a5a44c7b68f04b3bb9bc7a5bd69d6 HEXEN.WAD
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The source and destination arguments to memcpy() cannot be overlapping
as this is undefined behavior. In these situations memmove() must be
used instead, and OpenBSD actually throws an error if this is done.
Thanks to ryan-sg for reporting this. This fixes #510.
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The Strife binary has another priority check in the first loop inside
S_GetChannel. TODO: Does DOS Doom have this as well? Find out.
Resolves issue #506.
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Signed/unsigned comparison mismatches
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The config file API previously relied on binding config variables
using M_BindVariable() which took a void pointer. It occurred to me
that if used on a boolean variable, this would be erroneous, but the
void pointer would make it impossible to tell. Split this into
separate M_Bind{Foo}Variable() functions based on type, which allows
for proper type checking on the pointers that are passed.
Vaguely related to #509.
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Various bits of code assume that booleans are represented as 32-bit
ints and that they can be assigned to from 32-bit values. This isn't
true on all systems; fix code that does this to convert to boolean
values properly.
This is more progress towards fixing #509.
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The st_stuff.c status bar code passes pointer to an entry in
weaponowned[] as an int pointer, but weaponowned[] is an array
of booleans and booleans are not always represented as 32-bit ints.
Remove the (int *) cast and ensure correct behavior.
This fixes the immediate issue in #509 (thanks floppes).
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Actually, it is impossible to reach the end of these two functions
without return()ing earlier from one of the switch() statements'
branches. But since the compiler cannot know this and warns about it,
and since this warning can be escalated into an error in later
compiler versions, silence it by return()ing a dummy value at the end
of each function.
Fixes #508
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Following the concept of Chocolate Doom, D_IdentifyVersion and
D_SetGameDescription are introduced and called right after loading the
IWAD. The first one checks for the characteristics of the "shareware"
IWAD and sets gamemode accordingly, whereas the latter sets the
gamedescription string according to gamemode. This string is then used
in I_PrintStartupBanner() and I_SetWindowTitle(). So, the "shareware"
version identifies itself properly now.
I consider support for the 4 Level Hexen Demo pretty complete by now.
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into hexndemo
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With these changes it is possible to run the game using the HEXEN.WAD
IWAD from the 4-level Demo and start a new game as one of the three
player classes.
Known missing bits:
- The game does not yet identify itself as the demo version
- The cheat codes are still unchanged
- Bug compatibility, see e.g.
http://dengine.net/dew/index.php?title=Libhexen
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Ensure that the loops to find the next weapon always terminate -
even if there are somehow no weapons equipped. Also, only ever do
weapon cycling when in the GS_LEVEL gamestate. This fixes #503 -
thanks to Fabian and raithe on Doomworld.
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fixes #497
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No. 2: even more endianness fixes by myself (Ronald Lasmanowicz)
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No. 1: even more endianness fixes by myself (Ronald Lasmanowicz)
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I figured this out while porting Chocolate to the Nintendo Wii and also had to change these lines of code.
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I figured this out while porting Chocolate to the Nintendo Wii and also had to change these lines of code.
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This was added a long time ago, supposedly as a workaround for
SDL_mixer issues. It's not clear that this ever properly solved the
problem, and it seems unlikely that it's doing any good any more.
Quasar has pointed out that it actually impedes performance, and
some forks may want to use SMP (Strife: Veteran Edition had to
remove it).
This fixes #484 (thanks Quasar).
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as pointed out necessary by Ronald Lasmanowicz for his Wii ports
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when walking inside liquids like water -- on big-endian systems
Originally reported by Ronald Lasmanowicz and fixed in his
wii-hexen port: https://code.google.com/p/wii-hexen/source/detail?r=17
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Double-checked with strife1.exe
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The MVIS flag, if set on an object *without* MF_SHADOW, imparts total
invisibility. This is the intended effect on players using double Shadow
Armors.
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This caused Rowan to fail to take Beldin's ring from you, if and only if
you had full bullet ammo. Transcription error from the disassembly.
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Scripts can have a maximum of three arguments when started
(see ACS_Execute / #80 linedef special type). This means that the
array of arguments passed must be at least three elements in
length. When loading scripts, check the argument count never
exceeds 3, and print a warning message if it does.
Don't pass pointers to structure members implicitly treating them
as elements of an array (as this relies on compiler-dependent
behavior as to how structure members are laid out). Instead, copy
values into a temporary array to make the intended behavior explicit.
This fixes #477. Thanks to Quasar for reporting it.
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The minotaur uses the first four bytes of the mobj_t args[] array to
store its spawn time; after a certain amount of time has passed the
minotaur self-destructs. But the level time was being copied from the
leveltime variable without any endian conversion taking place. For
compatibility with Vanilla Hexen savegames we need to store the start
time in little endian format.
This fixes the first issue noted in #477 (thanks Quasar).
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The size parameter for the destination buffer used for this string
copy was one character too short, the result being that patch lump
names using the maximum length (8 characters) were having the last
character cropped off. This in turn caused problems with custom
WADs that added new textures with names like these: the game would
exit on startup with a message like:
R_InitTextures: Missing patch in texture SKY3GOLD
Amazingly this bug was not noticed because most of the patches in
the Hexen IWAD file have short names of 7 characters or less. The
only exception I noticed was SKYWALL2 which maps to SKYWALL,
another patch, hiding the bug.
Thanks to ETTiNGRiNDER for reporting this bug to me and for
providing me with a private copy of his in-development PWAD that I
could use to find the problem.
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getenv() can return NULL if the environment variable is not set, but
the result of getenv() was always being passed to M_StringDuplicate()
without any check. This could cause crashes on some platforms.
Instead, rework the code into a first stage that gets the player's
name and a second that duplicates it into a mutable form.
This fixes #455.
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Eliminate tab characters and trailing whitespace. Add extra
whitespace around operators in for() expressions.
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opl note limitation and octave overflow fixes
Adjust how the OPL MIDI code behaves at extreme MIDI note values
(high/low octaves) to better match how the Doom DMX library decides
on the OPL register value (thanks Alexey Khokholov / khokh20010.
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