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fix: corrected VR hooks #956

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Merged
doodlum merged 2 commits into from
Feb 6, 2025
+63 −36
Merged

fix: corrected VR hooks #956

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a1e3a70
fix: corrected VR hooks
doodlum Feb 6, 2025
b8cd7c9
style: 🎨 apply clang-format changes
doodlum Feb 6, 2025
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25 changes: 24 additions & 1 deletion src/Features/Skylighting.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -275,7 +275,12 @@ void Skylighting::PostPostLoad()
logger::info("[SKYLIGHTING] Hooking BSLightingShaderProperty::GetPrecipitationOcclusionMapRenderPassesImp");
stl::write_vfunc<0x2D, BSLightingShaderProperty_GetPrecipitationOcclusionMapRenderPassesImpl>(RE::VTABLE_BSLightingShaderProperty[0]);
stl::write_thunk_call<Main_Precipitation_RenderOcclusion>(REL::RelocationID(35560, 36559).address() + REL::Relocate(0x3A1, 0x3A1, 0x2FA));
stl::write_thunk_call<SetViewFrustum>(REL::RelocationID(25643, 26185).address() + REL::Relocate(0x5D9, 0x59D, 0x5DC));

if (REL::Module::IsVR())
stl::write_thunk_call<SetViewFrustumVR>(REL::RelocationID(25643, 26185).address() + REL::Relocate(0x5D9, 0x59D, 0x5DC));
else
stl::write_thunk_call<SetViewFrustum>(REL::RelocationID(25643, 26185).address() + REL::Relocate(0x5D9, 0x59D, 0x5DC));

MenuOpenCloseEventHandler::Register();
}

Expand Down Expand Up @@ -463,6 +468,24 @@ void Skylighting::SetViewFrustum::thunk(RE::NiCamera* a_camera, RE::NiFrustum* a
func(a_camera, a_frustum);
}

void Skylighting::SetViewFrustumVR::thunk(RE::NiCamera* a_camera, RE::NiFrustum* a_frustum, uint a_eyeIndex)
{
auto skylighting = globals::features::skylighting;

if (skylighting->inOcclusion) {
uint corner = skylighting->frameCount % 4;

float frustumSize = a_frustum->fTop;

a_frustum->fBottom = (corner == 0 || corner == 1) ? -frustumSize : 0.0f;
a_frustum->fLeft = (corner == 0 || corner == 2) ? -frustumSize : 0.0f;
a_frustum->fRight = (corner == 1 || corner == 3) ? frustumSize : 0.0f;
a_frustum->fTop = (corner == 2 || corner == 3) ? frustumSize : 0.0f;
}

func(a_camera, a_frustum, a_eyeIndex);
}

void Skylighting::RenderOcclusion()
{
auto shaderCache = globals::shaderCache;
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6 changes: 6 additions & 0 deletions src/Features/Skylighting.h
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,12 @@ struct Skylighting : Feature
static inline REL::Relocation<decltype(thunk)> func;
};

struct SetViewFrustumVR
{
static void thunk(RE::NiCamera* a_camera, RE::NiFrustum* a_frustum, uint a_eyeIndex);
static inline REL::Relocation<decltype(thunk)> func;
};

// Event handler
class MenuOpenCloseEventHandler : public RE::BSTEventSink<RE::MenuOpenCloseEvent>
{
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68 changes: 33 additions & 35 deletions src/Hooks.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -752,43 +752,41 @@ namespace Hooks
logger::info("Hooking BSEffectShader");
stl::write_vfunc<0x6, EffectExtensions::BSEffectShader_SetupGeometry>(RE::VTABLE_BSEffectShader[0]);

if (!REL::Module::IsVR()) {
const auto renderPassCacheCtor = REL::VariantID(100720, 107500, 0x1340330);
const int32_t passCount = 4194240;
const int32_t passCountSE = 4194240 * 16;

const int32_t passSize = 4194240 * sizeof(RE::BSRenderPass);
const int32_t lightsCount = passCount * 16;
const int32_t lightsSize = lightsCount * sizeof(void*);
const int32_t lastPassIndex = passCount - 1;
const int32_t lastPassOffset =
(passCount - 1) * sizeof(RE::BSRenderPass);
const int32_t lastPassNextOffset =
(passCount - 1) * sizeof(RE::BSRenderPass) + offsetof(RE::BSRenderPass, next);
const auto renderPassCacheCtor = REL::VariantID(100720, 107500, 0x1340330);
const int32_t passCount = 4194240;
const int32_t passCountSE = 4194240 * 16;

const int32_t passSize = 4194240 * sizeof(RE::BSRenderPass);
const int32_t lightsCount = passCount * 16;
const int32_t lightsSize = lightsCount * sizeof(void*);
const int32_t lastPassIndex = passCount - 1;
const int32_t lastPassOffset =
(passCount - 1) * sizeof(RE::BSRenderPass);
const int32_t lastPassNextOffset =
(passCount - 1) * sizeof(RE::BSRenderPass) + offsetof(RE::BSRenderPass, next);
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0x76).address(),
reinterpret_cast<const uint8_t*>(&lightsSize), 4);
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0xAD).address(),
reinterpret_cast<const uint8_t*>(&passSize), 4);
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0xCB).address(),
reinterpret_cast<const uint8_t*>(&lastPassIndex), 4);
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0xF0).address(),
reinterpret_cast<const uint8_t*>(&lastPassNextOffset), 4);
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0xFD).address(),
reinterpret_cast<const uint8_t*>(&lastPassOffset), 4);
if (REL::Module::IsAE()) {
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0x76).address(),
reinterpret_cast<const uint8_t*>(&lightsSize), 4);
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0xAD).address(),
reinterpret_cast<const uint8_t*>(&passSize), 4);
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0xCB).address(),
reinterpret_cast<const uint8_t*>(&lastPassIndex), 4);
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0xF0).address(),
reinterpret_cast<const uint8_t*>(&lastPassNextOffset), 4);
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0x191).address(),
reinterpret_cast<const uint8_t*>(&passCount), 4);
} else {
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0xFD).address(),
reinterpret_cast<const uint8_t*>(&lastPassOffset), 4);
if (REL::Module::IsAE()) {
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0x191).address(),
reinterpret_cast<const uint8_t*>(&passCount), 4);
} else {
PatchMemory(
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0x191 - 2).address(),
reinterpret_cast<const uint8_t*>(&passCountSE), 4);
}
REL::Relocation<std::uintptr_t>(renderPassCacheCtor, 0x191 - 2).address(),
reinterpret_cast<const uint8_t*>(&passCountSE), 4);
}
}

Expand Down