Fortnite Offsets

// UWorld Decryption Method 1
inline uint64_t Decrypt_Uworld(uint64_t Pointer)
{
    Pointer ^= 0xCF76574CULL;
    Pointer = std::rotl(Pointer, 48);
    Pointer = ~Pointer;
    return Pointer;
}

// UWorld Decryption Method 2
static inline uintptr_t DecryptUworld(uint64_t v)
{
    return (uintptr_t)((uint64_t)((_rotl64((uint64_t)v, 5) ^ 0x165D340ULL) * 0x24042FF8A5B240D7ULL - 0x235CE507FE35F6B5ULL));
}

// Example Usage
uintptr_t EncryptedUWorld = Driver->read<uintptr_t>(Driver->BaseAddress + offsets::UWorld);
uintptr_t DecryptedUWorld = DecryptUworld(EncryptedUWorld);
uintptr_t UWorld = DecryptedUWorld;

inline bool is_visible(uintptr_t mesh)
{
    auto delta_time_seconds = driver.Read<float>(Addresses::UWorld + 0x88C);
    auto time_seconds = driver.Read<double>(Addresses::UWorld + 0x868);

    auto last_render_time = driver.Read<float>(mesh + 0x330);
    auto time_since = time_seconds - last_render_time;
    auto render_time_threshold = fmaxf(0.06f, delta_time_seconds + 0.000099999997f);

    return time_since <= render_time_threshold;
}