Files
UnleashedRecomp-hedge-dev/UnleashedRecomp/game.cpp
2024-10-17 22:25:14 +01:00

94 lines
2.4 KiB
C++

#include <cpu/guest_code.h>
#include "api/SWA.h"
#include "ui/window.h"
#include "game.h"
constexpr float m_baseAspectRatio = 16.0f / 9.0f;
void Game::Exit()
{
s_isSignalExit = true;
}
bool GracefulLoopExitMidAsmHook()
{
// TODO (Sajid): investigate XAM handle closing causing assertion failure here.
return Game::s_isSignalExit;
}
bool CameraAspectRatioMidAsmHook(PPCRegister& r31)
{
auto pCamera = (SWA::CCamera*)g_memory.Translate(r31.u32);
auto newAspectRatio = (float)Window::s_width / (float)Window::s_height;
// Dynamically adjust aspect ratio to window dimensions.
pCamera->m_HorzAspectRatio = newAspectRatio;
// Jump to 4:3 code for VERT+ adjustments if using a narrow aspect ratio.
return newAspectRatio < m_baseAspectRatio;
}
void CameraBoostAspectRatioMidAsmHook(PPCRegister& r31, PPCRegister& f0)
{
auto pCamera = (SWA::CCamera*)g_memory.Translate(r31.u32);
if (Window::s_width < Window::s_height)
{
// Use horizontal FOV for narrow aspect ratios.
f0.f32 = pCamera->m_HorzFieldOfView;
}
else
{
// Use vertical FOV for normal aspect ratios.
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;
}
}
bool DisableHintsMidAsmHook()
{
return !Config::Hints;
}
/* Hook function that gets the game region
and force result to zero for Japanese
to display the correct logos. */
PPC_FUNC_IMPL(__imp__sub_825197C0);
PPC_FUNC(sub_825197C0)
{
if (Config::Language == ELanguage_Japanese)
{
ctx.r3.u64 = 0;
return;
}
__imp__sub_825197C0(ctx, base);
}