executecmdstring hook

/* ExecuteCmdString Hook */
typedef void (__cdecl *_ExecuteCmdString)(byte*, bool, int);
_ExecuteCmdString rlExecuteCmdString = 0;
void __cdecl hkExecuteCmdString(byte *inCmd, bool bUnknown, int iUnknown)
{
    char *cmdstr = (char*)(inCmd + 8);

    ILuaInterface *li = STATES[MENUSTATE];
    ILuaObject *fn = li->GetGlobal("GABV9K_CallHook");
    if (fn->isFunction())
    {
        li->Push(fn);
        li->Push("ExecuteCmdString");
        li->Push(cmdstr);
        li->Call(2, 1);
        ILuaObject *ret = li->GetReturn(0);
        bool block_cmd = (!ret->isNil() && (ret->GetBool() == false));
        ret->UnReference();
        if (block_cmd) return;
    }
    fn->UnReference();

    rlExecuteCmdString(inCmd, bUnknown, iUnknown);
}
LUA_FUNCTION(lua_HookExecuteCmdString)
{
    Lua()->CheckType(1, GLua::TYPE_LIGHTUSERDATA);
    BYTE *ECS = (BYTE*)Lua()->GetLightUserData(1);
    if (ECS == 0) { Lua()->Msg("[GABV9K] Invalid Pointer!"); return 0; }
    rlExecuteCmdString = (_ExecuteCmdString)ECS;
    DetourTransactionBegin();
    DetourUpdateThread(GetCurrentThread());
    DetourAttach(&(void*&)rlExecuteCmdString, (void*)hkExecuteCmdString);
    DetourTransactionCommit();
    return 0;
}
LUA_FUNCTION(lua_UnHookExecuteCmdString)
{
    if (rlExecuteCmdString == 0) { Lua()->Msg("[GABV9K] Invalid Pointer!"); return 0; }
    DetourTransactionBegin();
    DetourUpdateThread(GetCurrentThread());
    DetourDetach(&(void*&)rlExecuteCmdString, (void*)hkExecuteCmdString);
    DetourTransactionCommit();
    return 0;
}
/* ExecuteCmdString Hook */