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Implemented CSD aspect ratio hooks

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This only includes the centred mode, as the intention is to map out CSD classes in the API and handle the rest manually.

Co-Authored-By: Michael <15317421+ActualMandM@users.noreply.github.com>
This commit is contained in:
Hyper 2024-10-17 19:36:10 +01:00
parent 3c1c13e4ce
commit 554be01412
2 changed files with 40 additions and 1 deletions
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28
UnleashedRecomp/game.cpp
View file

@ -43,3 +43,31 @@ void CameraBoostAspectRatioMidAsmHook(PPCRegister& r31, PPCRegister& f0)
f0.f32 = pCamera->m_VertFieldOfView; f0.f32 = pCamera->m_VertFieldOfView;
} }
} }
void CSDAspectRatioMidAsmHook(PPCRegister& f1, PPCRegister& f2)
{
auto newAspectRatio = (float)Window::s_width / (float)Window::s_height;
if (newAspectRatio > m_baseAspectRatio)
{
f1.f64 = 1280.0f / ((newAspectRatio * 720.0f) / 1280.0f);
}
else if (newAspectRatio < m_baseAspectRatio)
{
f2.f64 = 720.0f / ((1280.0f / newAspectRatio) / 720.0f);
}
}
void CSDOffsetMidAsmHook(PPCRegister& f1, PPCRegister& f2)
{
auto newAspectRatio = (float)Window::s_width / (float)Window::s_height;
if (newAspectRatio > m_baseAspectRatio)
{
*(be<float>*)g_memory.Translate(0x8339C5D0) = ((newAspectRatio * 720.0f) - 1280.0f) / 2.0f / 1280.0f;
}
else
{
*(be<float>*)g_memory.Translate(0x8339C5D4) = ((1280.0f / newAspectRatio) - 720.0f) / 2.0f / 720.0f;
}
}

13
UnleashedRecompLib/config/SWA.toml
View file

@ -119,4 +119,15 @@ jump_address_on_false = 0x82468EE0
[[midasm_hook]] [[midasm_hook]]
name = "CameraBoostAspectRatioMidAsmHook" name = "CameraBoostAspectRatioMidAsmHook"
address = 0x8246BDA8 address = 0x8246BDA8
registers = ["r31", "f0"] registers = ["r31", "f0"]
[[midasm_hook]]
name = "CSDAspectRatioMidAsmHook"
address = 0x830C0A28
registers = ["f1", "f2"]
[[midasm_hook]]
name = "CSDOffsetMidAsmHook"
address = 0x830C0A78
registers = ["f1", "f2"]
return = true