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Include RVAs for both StarWarsI.exe and StarWarsG.exe

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This commit is contained in:
Drew C.
2026-02-28 13:28:06 -06:00
parent cb9c3879ce
commit 818129fa3c
2 changed files with 45 additions and 10 deletions
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25
lua_hook.cpp
View File

@@ -86,14 +86,29 @@ static lua_State* Hook_lua_open() {
} }
bool LuaHook_Init() { bool LuaHook_Init() {
char exePath[MAX_PATH];
GetModuleFileNameA(nullptr, exePath, MAX_PATH);
const LuaRVAs* rvas = nullptr;
if (strstr(exePath, "StarWarsI.exe"))
rvas = &RVAs_StarWarsI;
else if (strstr(exePath, "StarWarsG.exe"))
rvas = &RVAs_StarWarsG;
else
return false;
if (!rvas->lua_open || !rvas->lua_pushstring || !rvas->lua_pushcclosure ||
!rvas->lua_settable || !rvas->lua_tostring)
return false;
uintptr_t base = (uintptr_t)GetModuleHandleA(nullptr); uintptr_t base = (uintptr_t)GetModuleHandleA(nullptr);
pfn_pushstring = (fn_lua_pushstring)(base + RVA_lua_pushstring); pfn_pushstring = (fn_lua_pushstring)(base + rvas->lua_pushstring);
pfn_pushcclosure = (fn_lua_pushcclosure)(base + RVA_lua_pushcclosure); pfn_pushcclosure = (fn_lua_pushcclosure)(base + rvas->lua_pushcclosure);
pfn_settable = (fn_lua_settable)(base + RVA_lua_settable); pfn_settable = (fn_lua_settable)(base + rvas->lua_settable);
pfn_tostring = (fn_lua_tostring)(base + RVA_lua_tostring); pfn_tostring = (fn_lua_tostring)(base + rvas->lua_tostring);
void* const target = (void*)(base + RVA_lua_open); void* const target = (void*)(base + rvas->lua_open);
if (MH_Initialize() != MH_OK) { if (MH_Initialize() != MH_OK) {
return false; return false;

30
lua_hook.h
View File

@@ -1,11 +1,31 @@
#pragma once #pragma once
#include <cstdint> #include <cstdint>
constexpr uintptr_t RVA_lua_open = 0x12AB790; struct LuaRVAs {
constexpr uintptr_t RVA_lua_pushstring = 0x12AC930; uintptr_t lua_open;
constexpr uintptr_t RVA_lua_pushcclosure = 0x12AC6E0; uintptr_t lua_pushstring;
constexpr uintptr_t RVA_lua_settable = 0x12AD020; uintptr_t lua_pushcclosure;
constexpr uintptr_t RVA_lua_tostring = 0x12AD430; uintptr_t lua_settable;
uintptr_t lua_tostring;
};
// StarWarsI.exe -- debug kit, PDB available
constexpr LuaRVAs RVAs_StarWarsI = {
0x12AB790, // lua_open
0x12AC930, // lua_pushstring
0x12AC6E0, // lua_pushcclosure
0x12AD020, // lua_settable
0x12AD430, // lua_tostring
};
// StarWarsG.exe -- client binary, no PDB
constexpr LuaRVAs RVAs_StarWarsG = {
0x07b8930, // lua_open
0x07b9540, // lua_pushstring
0x07b9340, // lua_pushcclosure
0x07b9a60, // lua_settable
0x07b9cc0, // lua_tostring
};
constexpr int LUA_GLOBALSINDEX = -10001; constexpr int LUA_GLOBALSINDEX = -10001;