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Another big one. Here's a list of things:
- Since the upcoming C23 standardises typeof(), use it as an extension
for the time being in order to allow passing arbitrary types as
macro/codegen parameters. It wouldn't have been a big leap to do this
even without standardisation since it's apparently an easy extension
to implement - and also, to be honest, this project is essentially glued
to Clang anyway so who cares.
- Likewise, bool, true and false are becoming pre-defined, so
pre-pre-define them now in order to get the benefit of not having to
remember one header everywhere.
- Really ungodly/amazing vcall macro stuff now allows us to call C++
virtual functions like regular C functions. It's pretty cool!
- Events can now take arbitrary parameters and come in two types:
regular events and predicates.
All this makes the base code even uglier but makes the feature
implementation nicer. In other words, it places more of the cognitive
burden on myself and less on other people who might want to contribute.
This is a good tradeoff, because I'm a genius.
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This is for somewhat later. I'd always planned to use it - it existed
already in earlier private repos, in fact. I just didn't bother to
import it here in case it wouldn't actually be needed, but with the way
current plans are going, it's definitely going to be needed, so here it
is.
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Copyright note: the stuff Bill wrote is all still in the other file.
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Also centralise NEXT_INSN macro, into its own header at least for now.
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Some of the alias stuff was kind of stolen from earlier figuring-out
Bill did. More Bill code is also on the way. :^)
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Currently only works in 3420 and 5135 and uses hardcoded offsets with a
byte pattern sanity check. Future work includes making it more widely
compatible, and also doing the crazy thing I wanted to do but gave up on
wherein the actual textures and stuff get patched in memory to sync up
all the colours.
Oh also, a couple of vtables were erroneously made executable, so I went
ahead and fixed that while I was at it.
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This was a lot more code than expected, but it might be finally close to
time to release the next beta...
We'll see if any more rabbit holes present themselves to jump into,
though.
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- A bunch of stuff is now defined in one header, engineapi.h
- engineapi.c is responsible for setting up any interfaces/stuff that's
used in more than one place
- mkgamedata is pretty much rewritten and now supports nested
conditionals
- gamedata variables no longer have the gamedata_ prefix because it was
just annoyingly long all the time
- vcall macros are somewhat revamped and support dynamic (gamedata)
indices
- Portal 1 FOV can be set anywhere from 75-120 using fov_desired -
tested in both the main versions currently used by runners
- A few typos were also fixed ("intput," "writeable," "indexes")
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Default gamedata values actually work the way they're supposed to now.
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hook_inline() uses the new x86_len() function to get instruction lengths
instead of doing full-blown disassembly, which should be a tiny bit
quicker, and also removes the next for about 90KiB of lookup tables and
such in the final binary. The code-digging logic in demorecord is also
rewritten to be opcode-based rather than mnenmonic based. In general,
going forward the plan is to always rely on opcodes and thus avoid a
bunch of disassembly work every plugin load.
udis86 is still in the tree for now to provide dbg_asmdump(), but it's
only compiled into debug builds and left out of releases completely. As
such, the whole BSD licence statement is also gone from the distribution
LICENCE files. There's now also a dbg_toghidra() which spits out a
rebased address to look stuff up for proper reverse engineering, which
might be more useful than dbg_asmdump() anyway. If nobody ends up using
the latter ever again, udis86 could get chucked completely. We'll see.
Also shoehorned into this commit are a couple more forgotten copyright
year bumps and some general minor cleanup here and there, because I
couldn't be bothered wading through all the diff hunks. Oh, and
makebindist.bat now makes an effort to make the zip file timestamps
predictable/reproducible. That should be a different commit for sure,
but oh well too bad.
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They're still temporary, I promise, but this will make tweaking the
toolchain or turning debug builds on and off a lot simpler.
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Important note: it doesn't WORK on Linux, and there's tons of warnings
and stuff, but it's easier to work on when all the compiler output and
whatnot is there.
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SST itself doesn't build, but it's a start!
Really interesting is the declaration after a switch label. That's of
course invalid, but Clang on Windows never complained. I guess it's an
MSVC extension, eh? How annoying.
Also, haha yes the script wasn't even executable. Forgot to
update-index when I remade the repo, I guess...
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This is done through a new "fixes" file which will probably become one
of those silly dumping grounds that every project has to have somewhere
to put random miscellaneous crap in.
These are mainly hidden in L4D2 but they just get unilaterally unhidden
if they exist, just to be sure they're accessible.
As a bonus, it turns out that unhiding a single cvar also allows us to
set sv_cheats 1 in Left 4 Dead 2, bringing an end to the need to port-
forward a listen server for co-op practice.
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With code from Bill. Thanks Bill!
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