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Merge branch 'hook-patch-refactor' of https://github.com/geode-sdk/geode into hook-patch-refactor

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This commit is contained in:
altalk23 2024-01-15 18:15:59 +03:00
commit 8b444b25c5
2 changed files with 24 additions and 3 deletions
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26
loader/src/loader/PatchImpl.cpp
View file

@ -40,18 +40,38 @@ std::shared_ptr<Patch> Patch::Impl::create(void* address, const geode::ByteVecto
});
}
std::vector<Patch::Impl*>& Patch::Impl::allEnabled() {
static std::vector<Patch::Impl*> vec;
return vec;
}
Result<> Patch::Impl::enable() {
// TODO: add overlap checking
// TODO: this feels slow. can be faster
for (const auto& other : allEnabled()) {
auto thisMin = this->getAddress();
auto thisMax = this->getAddress() + this->m_patch.size();
auto otherMin = other->getAddress();
auto otherMax = other->getAddress() + other->m_patch.size();
bool intersects = !((otherMax < thisMin) || (thisMax < otherMin));
if (!intersects)
continue;
return Err(
"Failed to enable patch: overlaps patch at {} from {}",
other->m_address, other->getOwner()->getID()
);
}
auto res = tulip::hook::writeMemory(m_address, m_patch.data(), m_patch.size());
if (!res) return Err(res.unwrapErr());
if (!res) return Err("Failed to enable patch: {}", res.unwrapErr());
m_enabled = true;
allEnabled().push_back(this);
return Ok();
}
Result<> Patch::Impl::disable() {
auto res = tulip::hook::writeMemory(m_address, m_original.data(), m_original.size());
if (!res) return Err(res.unwrapErr());
if (!res) return Err("Failed to disable patch: {}", res.unwrapErr());
m_enabled = false;
allEnabled().erase(std::find(allEnabled().begin(), allEnabled().end(), this));
return Ok();
}

1
loader/src/loader/PatchImpl.hpp
View file

@ -14,6 +14,7 @@ public:
~Impl();
static std::shared_ptr<Patch> create(void* address, const ByteVector& patch);
static std::vector<Patch::Impl*>& allEnabled();
Patch* m_self = nullptr;
void* m_address;