Function GetUserdataDesc

Plugins/UnLua/Source/UnLua/Private/LuaCore.cpp:234–250

}

static FUserdataDesc* GetUserdataDesc(Udata* U)
{
    FUserdataDesc* UserdataDesc = NULL;

    uint8 DescSize = sizeof(FUserdataDesc);
    int32 UdataMemSize = GetUdataMemSize(U);
    if (DescSize <= UdataMemSize)
    {
        UserdataDesc = (FUserdataDesc*)((uint8*)GetUdataMem(U) + UdataMemSize - DescSize);
        if (USERDATA_MAGIC != UserdataDesc->magic)
        {
            UserdataDesc = NULL;
        }
    }

    return UserdataDesc;
}

static void* NewUserdataWithDesc(lua_State* L, int Size, uint8 Tag, uint8 Padding)
{