Commit Graph

14 Commits

Author SHA1 Message Date
nmlgc bff375d99d [Maintenance] Introduce a VRAM byte bit constant
log₂(BYTE_DOTS), just like SUBPIXEL_FACTOR and SUBPIXEL_BITS.

Part of P0232, funded by [Anonymous].
2023-02-28 08:08:17 +01:00
nmlgc 24c07c72df [Maintenance] [th01] Replace generic C types with more specific ones
In all places visited during the next 6 pushes: The resident structure
and copies of its values, the packfile implementation, boss entities,
rendering font ROM glyphs to VRAM, and overall inconsistent code
between the three binaries.

Part of P0229, funded by Ember2528.
2023-02-28 08:07:52 +01:00
nmlgc 753f73f5f2 [Maintenance] master.hpp: Centrally define packfile filename length
The later games need this constant for their buffers as well, and it's
not just needed for loading sound files. Might be overkill to force all
of `master.hpp` to be #included in some additional places, but the
alternative would have been to move it to a `fn_len.hpp` file.
Ultimately, this constant *is* related to master.lib.

Part of P0223, funded by Blue Bolt and rosenrose.
2022-11-30 16:58:30 +01:00
nmlgc cf95cc8717 [Maintenance] [th01] Remove `extern "C"` from all remaining areas of code
Nothing says "we're getting things done" quite as much as this.

Part of P0214, funded by Ember2528.
2022-08-14 23:03:15 +02:00
nmlgc 6f2881f056 [Maintenance] Remove `extern "C"` from more areas of code
The .PTN functions, vector functions, and egc_copy_rect_1_to_0_1()
(finally!) from TH01, as well as playfld.hpp from all games(finally!),
together with a bunch of other functions in their vicinity.

Part of P0201, funded by Ember2528 and Yanga.
2022-06-24 23:28:19 +02:00
nmlgc 0062826327 [Separating translation units] [th01] Additional hardware effect functions
These could have been nicely separated into per-device translations
(one for GDC, one for EGC, one for regular VRAM accesses)… if their
original order followed that classification.

OK, so let's make it one full `graph_ex.cpp` translation unit… nope,
FUUIN.EXE needs graph_2xscale_byterect_1_to_0_slow() with different
compilation flags. 🤦

Whatever, fuck it, let's go for individual translation units, with
individual headers, so that we at least get predictably organized
source code out of this.

Part of P0196, funded by Yanga.
2022-05-31 23:15:14 +02:00
nmlgc ea54e59f93 [Maintenance] Macros: Avoid references to implicit local variables
If the macro itself is local to a function, these can work in certain
scenarios, but never for global ones.

Part of P0186, funded by [Anonymous] and Blue Bolt.
2022-03-25 14:03:53 +01:00
nmlgc 403fbcc37f [Maintenance] Remove `extern "C"` from more areas of decompiled code
Most notably from `th01/core/str_val`, where it's really in the way.
That mistake will haunt me until this all is done, probably…

Part of P0158, funded by Yanga.
2021-09-28 18:05:24 +02:00
nmlgc 794c6ab55c [Maintenance] Fix another bunch of accumulated typos
Part of P0139, funded by [Anonymous].
2021-05-11 18:47:49 +02:00
nmlgc 7b2653fcab [Decompilation] [th01] Reimu's animations: .BOS freeing function
*Still* no need for the classic `if(ptr) { delete[] ptr; ptr = NULL }`
macro, because who cares about dangling pointers anyway, right?
:zunpet:

Part of P0123, funded by Yanga.
2020-10-13 21:48:07 +02:00
nmlgc d2ba0c7b3b [Decompilation] [th01] Reimu's animations: Byte-aligned overlapped blitting
All this CPU time spent optimizing the unblitting mask, yet the code
still ends up glitching if the two sprites are more than 2 horizontal
bytes away. So, Reimu's slide speed can only be as high as 8 pixels per
frame, before this function fails to unblit the previous sprite and
leaves little Reimu parts in VRAM.

Part of P0123, funded by Yanga.
2020-10-13 21:36:07 +02:00
nmlgc 0be79aa641 [Decompilation] [th01] Reimu's animations: Byte-aligned blitting
Part of P0123, funded by Yanga.
2020-10-13 21:34:41 +02:00
nmlgc d391dd4a3b [Decompilation] [th01] Reimu's animations: Byte-aligned unblitting
"Let's add a row to the offset, and then subtract it again" :zunpet:
This could only *possibly* have been intended as a DoS attack against a
future manual decompilation, right?

Part of P0123, funded by Yanga.
2020-10-13 21:34:35 +02:00
nmlgc 10666131ec [Decompilation] [th01] Reimu's animations: .BOS load function
Part of P0123, funded by Yanga.
2020-10-13 21:15:19 +02:00