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Decompile 4 functions in Source/Script/LuaInstance.cpp

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Batch #11582 by cremane: 2 byte-identical, 2 confirmed by peer review.

- fn_01123 CLuaInstance::CLuaInstance: byte-identical
- fn_01128 CLuaInstance::Execute: byte-identical
- fn_01131 CLuaInstance::LoadFile: logic confirmed by peer review
- fn_23942 CLuaInstance::ReadStrings: logic confirmed by peer review

Peer-reviewed-by: Yommy, KWDev
Accepted without human review: peers confirmed the logic ("same" ahead by at least 3, with 70% of the votes).
This commit is contained in:
ragnarok-clanker 2026-11-05 03:41:52 +00:00
commit 41ddab419d
1 changed files with 17 additions and 23 deletions
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40
Source/Script/LuaInstance.cpp
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@ -6,7 +6,6 @@ extern "C" {
#include <lualib.h>
}
#include <cstdlib>
#include <cstring>
#include <windows.h>
// STATIC: 0x010D9630
@ -15,7 +14,8 @@ static const char luaErrorCaption[] = "Lua Error";
// OFFSET: 0x005221E0
// FUNCTION: fn_01123
CLuaInstance::CLuaInstance() : m_state(luaL_newstate()) {
CLuaInstance::CLuaInstance() : m_state(nullptr) {
this->m_state = luaL_newstate();
if (this->m_state) {
luaL_openlibs(this->m_state);
lua_register(this->m_state, "MessageBox", LuaMessageBox);
@ -36,14 +36,14 @@ CLuaInstance::~CLuaInstance() {
bool CLuaInstance::Execute(const std::string& name) {
lua_getglobal(this->m_state, name.c_str());
if (lua_pcall(this->m_state, 0, 0, 0) == 0) {
return true;
const int result = lua_pcall(this->m_state, 0, 0, 0);
if (result != 0) {
MessageBoxA(nullptr, lua_tostring(this->m_state, -1), luaErrorCaption, MB_OK);
return false;
}
const char* error = lua_tostring(this->m_state, -1);
MessageBoxA(nullptr, error, luaErrorCaption, MB_OK);
return false;
return true;
}
// OFFSET: 0x00522460
@ -72,22 +72,16 @@ bool CLuaInstance::LoadFile(const std::string& path, bool showError) {
// FUNCTION: fn_01131
bool CLuaInstance::LoadFile(const std::string& path) {
CFile file;
if (!file.Open(path.c_str())) {
if (!file.Open(path.c_str(), 0, true, false)) {
return false;
}
const std::uint32_t size = file.GetSize();
char* buffer = static_cast<char*>(std::malloc(size + 1));
if (!buffer) {
file.Close();
return false;
}
std::memset(buffer, 0, size + 1);
file.Read(buffer, size);
char* buffer = static_cast<char*>(std::malloc(file.GetSize() + 1));
SecureZeroMemory(buffer, file.GetSize() + 1);
file.Read(buffer, file.GetSize());
file.Close();
if (luaL_loadbuffer(this->m_state, buffer, size, path.c_str()) == 0 && lua_pcall(this->m_state, 0, 0, 0) == 0) {
if (luaL_loadbuffer(this->m_state, buffer, file.GetSize(), "buf") == 0 && lua_pcall(this->m_state, 0, 0, 0) == 0) {
std::free(buffer);
return true;
}
@ -132,18 +126,18 @@ int CLuaInstance::ReadStrings(std::vector<std::string>& values, const char* glob
}
values.resize(lua_objlen(this->m_state, -1));
lua_pushnil(this->m_state);
std::size_t index = 0;
while (lua_next(this->m_state, -2)) {
for (lua_pushnil(this->m_state); lua_next(this->m_state, -2); lua_pop(this->m_state, 1)) {
std::string value;
type = lua_type(this->m_state, -1);
if (type != LUA_TSTRING) {
lua_pop(this->m_state, 3);
return (type != LUA_TNIL) + 1;
}
values[index++] = lua_tostring(this->m_state, -1);
lua_pop(this->m_state, 1);
value = lua_tostring(this->m_state, -1);
values[index++] = value;
}
lua_pop(this->m_state, 1);