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VC: Correct the duration of the outro splash to 2.5 seconds and fix flicker

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The original code hints at 1.5s, but that makes it hard
to read the splash before it vanishes

+ Update the DrawBackfaces list
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Silent 2024-05-23 21:48:53 +02:00
parent 0f92e082b4
commit 39c141eb56
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2 changed files with 47 additions and 0 deletions
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2
Config/SilentPatchVC.ini
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@ -123,6 +123,7 @@ nbt_htlpoolbar01
nbt_pizzaplace
newbuild01
nhaiticar13
od_chariot
od_clevelander_dy
od_clevelander_nt
od_lightbeam
@ -138,6 +139,7 @@ sjmbigsig
sjmbigsig2
sjmbigsign01
sjmbigsign02
starblocks03
streetlamp1
streetlamp2
stripback

45
SilentPatchVC/SilentPatchVC.cpp
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@ -885,6 +885,22 @@ namespace ModelIndicesReadyHook
}
// ============= Fix the outro splash flickering for a frame when fading in =============
namespace OutroSplashFix
{
struct RGBA
{
uint8_t r, g, b, a;
};
static RGBA* (__thiscall *orgRGBASet)(RGBA*, uint8_t, uint8_t, uint8_t, uint8_t);
static RGBA* __fastcall RGBASet_Clamp(RGBA* rgba, void*, int r, int g, int b, int a)
{
return orgRGBASet(rgba, static_cast<uint8_t>(r), static_cast<uint8_t>(g), static_cast<uint8_t>(b), static_cast<uint8_t>(std::clamp(a, 0, 255)));
}
}
void InjectDelayedPatches_VC_Common( bool bHasDebugMenu, const wchar_t* wcModulePath )
{
using namespace Memory;
@ -1843,6 +1859,35 @@ void Patch_VC_Common()
InjectHook(entity_render.get<void>(-7), EntityRender_BackfaceCulling, HookType::Jump);
}
TXN_CATCH();
// Correct the duration of the outro splash to 2.5 seconds
// The outro splash displays for 150 ticks from the moment it fully fades in, with the tick cpimt supposedly incrementing every 10ms
// However, since the game is locked to 30FPS, the tick count actually increments every 33.3ms, so the splash takes around 5s
// Correct the "tick rate" to 33ms and the "tick count" to 75, so it is more or less 2.5s at 30FPS,
// and similarly long when running at 60FPS or uncapped. The original code hints at 1.5s,
// but that makes it hard to read the splash before it vanishes
//
// Also fix the splash flickering for a frame when fading in
try
{
using namespace OutroSplashFix;
auto outro_tick_rate = get_pattern("83 F8 0A 76 10", 2);
auto outro_tick_count = get_pattern("81 3D ? ? ? ? 96 00 00 00", 6);
auto splash_rgba = get_pattern("E8 ? ? ? ? DB 05 ? ? ? ? 8D 54 24 2C");
auto alpha_clamp = get_pattern("8A 83 ? ? ? ? 8D 4C 24 2C");
// Ideally, we want (time - lastTime) >= 33, but we can express the same with > 32
Patch<uint8_t>(outro_tick_rate, 32);
Patch<uint32_t>(outro_tick_count, 75);
InterceptCall(splash_rgba, orgRGBASet, RGBASet_Clamp);
// al -> eax
Patch<uint8_t>(alpha_clamp, 0x8B);
}
TXN_CATCH();
}
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)