internal void HaxCheck(bool forceFail = false)
{
haxCheckCount++;
string calc = CalcScoreChecksum();
//check for other running osu! processes every 30s or so.
if (GameBase.Time - lastIpcCheck > 30000)
{
//todo: check and reenable
//GameBase.Scheduler.Add(() =>
//{
// if (IPC.GetRunningOsu() != null)
// flag |= BadFlags.MultipleOsuClients;
//}, 500);
lastIpcCheck = GameBase.Time;
}
if (currentScore.EnabledMods != ModManager.ModStatus)
{
flag |= BadFlags.IncorrectModValue;
}
if (haxCheckCount % 20 == 0 && GameBase.IsFormOpacityHacked())
{
flag |= BadFlags.TransparentWindow;
}
//Fight the memory editing hacks.
if (forceFail || calc != scoreChecksum || Int64.Parse(calc) * 2 != scoreChecksumNumerical ||
Ruleset.ComboCounter.HitCombo > currentScore.MaxCombo)
{
if (Status == PlayerStatus.Busy)
{
return;
}
flag |= BadFlags.ChecksumFailure;
if (Status == PlayerStatus.ExitingSpectator || InputManager.ReplayMode || GameBase.TestMode)
{
return;
}
currentScore.InvalidateSubmission();
allowSubmissionHaxCheck = false;
if (!haxFound)
{
GameBase.Scheduler.AddDelayed(crash, RNG.Next(1000, 6000));
GameBase.Scheduler.AddDelayed(delegate { throw new MethodAccessException(); }, RNG.Next(1000, 6000));
GameBase.Scheduler.AddDelayed(delegate { Environment.Exit(-1); }, RNG.Next(10000, 15000));
haxFound = true;
}
}
}
private void HaxCheckPass()
{
try
{
if (!GameBase.CheckUniqueId())
{
Player.flag |= BadFlags.ChecksumFailure;
}
}
catch { }
}
internal static void HaxCheckMouse(Vector2 normalMovement, Vector2 rawMovement)
{
if (InputManager.ReplayMode || GameBase.TestMode || !GameBase.Instance.IsActive)
{
return;
}
float angle = 0;
if ((normalMovement == Vector2.Zero && rawMovement != Vector2.Zero) ||
(normalMovement != Vector2.Zero && rawMovement == Vector2.Zero))
{
angle = (float)Math.PI;
}
else if (normalMovement == Vector2.Zero && rawMovement == Vector2.Zero)
{
angle = 0;
}
else
{
angle = (float)(Math.Abs(Math.Atan2(rawMovement.Y, rawMovement.X)) - Math.Abs(Math.Atan2(normalMovement.Y, normalMovement.X)));
angle = Math.Abs(angle);
}
float decay = (float)Math.Pow(0.99, GameBase.FrameRatio);
mouseMovementAngle = decay * mouseMovementAngle + (1 - decay) * angle;
if (mouseMovementAngle > Math.PI * 0.75)
{
if (Player.Playing && !mouseMovementDiscrepancyInMenu)
{
flag |= BadFlags.RawMouseDiscrepancy;
}
else
{
mouseMovementDiscrepancyInMenu = true;
}
}
}
internal void AddSpinnerFlag()
{
flag |= BadFlags.SpinnerHack;
}
internal void AddFlashlightFlag()
{
flag |= BadFlags.FlashLightImageHack;
}
private void InitializeAntiCheat()
{
flag = BadFlags.Clean;
}
private void HaxCheckAudio()
{
if (!InputManager.ReplayMode && !GameBase.TestMode)
{
if (audioCheckTime == -1)
{
if (AudioEngine.Time > 0)
{
audioCheckTime = AudioEngine.Time;
audioCheckTimeComp = GameBase.Time;
}
}
else if (AudioEngine.Time - audioCheckTime >= 1000)
{
float rate = 1;
if (ModManager.CheckActive(Mods.DoubleTime))
{
rate = 1.5f;
}
else if (ModManager.CheckActive(Mods.HalfTime))
{
rate = 0.75f;
}
float diff = (AudioEngine.Time - audioCheckTime) * (1f / rate);
if (Math.Abs(diff - (GameBase.Time - audioCheckTimeComp)) > 60)
{
if (++audioCheckCount > 5)
{
NotificationManager.ShowMessage(
"There was an error during timing calculations. If you continue to get this error, please update your AUDIO/SOUND CARD drivers! Your score will not be submitted for this play.");
//BanchoClient.HandleException(new Exception("timing error"), "user is hacking?");
currentScore.InvalidateSubmission();
GameBase.Scheduler.AddDelayed(delegate { flag |= BadFlags.SpeedHackDetected; }, 200);
audioCheckCount = -500;
}
}
else
{
audioCheckCount = 0;
}
audioCheckTime = -1;
}
if ((flag & BadFlags.SpeedHackDetected) == 0)
{
long dateTimeTime = DateTime.Now.Ticks / 10000;
if (dateTimeCheckTimeInitial == -1)
{
if (AudioEngine.Time > 0)
{
dateTimeCheckTimeInitial = dateTimeTime;
dateTimeCheckTimeComp = GameBase.Time;
}
}
else
{
if (Math.Abs((dateTimeTime - dateTimeCheckTimeInitial) - (GameBase.Time - dateTimeCheckTimeComp)) > 2000)
{
dateTimeCheckCount++;
if (dateTimeCheckCount > 4)
{
flag |= BadFlags.SpeedHackDetected;
}
//reset comparison.
dateTimeCheckTimeInitial = dateTimeTime;
dateTimeCheckTimeComp = GameBase.Time;
}
}
}
}
}