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refactor/feat: Further signature scan changes

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> funcionality cleanup, API compatibility should be the same
> improve patching performance by skipping vector copy (replaced with span)
> chain call wrapper (fixes soudbank hook breaking 32-bit styles)
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2026-02-20 18:36:42 +09:00
parent a7723148bc
commit ce0344742e
4 changed files with 91 additions and 48 deletions
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hooks/wmischook.cpp
+5 -2
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@@ -92,8 +92,11 @@ bool on_thum_exists_(void *titleUTF_getter, int32_t id, char flag)
void attach(HINSTANCE hmodule)
{
// Reverse lookup function head (PUSH RDI) for ThumExists() specific signature, quietly fail if invalid
intptr_t TX_ThumExists = find_pattern_from(hmodule, "4057", "XX", 0, 0,
find_pattern_from(hmodule, "83f801750c4084ff750732c0", "XXXXXXXXXXXX", 0, 0, 0) - reinterpret_cast<intptr_t>(hmodule), true);
intptr_t TX_ThumExists = patch_pipeline(
hmodule,
[](HMODULE hmodule, intptr_t addr) { return find_pattern_from(hmodule, "83f801750c4084ff750732c0", "XXXXXXXXXXXX", 0, 0, 0); },
[](HMODULE hmodule, intptr_t addr) { return find_pattern_from(hmodule, "4057", "XX", 0, 0, addr, true); }
);
log_info("hooks::wmisc::thumbnail", "Hooking ThumExists({})", reinterpret_cast<void *>(TX_ThumExists));
detour::trampoline_try(reinterpret_cast<void *>(TX_ThumExists), reinterpret_cast<void *>(on_thum_exists_), reinterpret_cast<void **>(&ThumExists));
}