public override int SyncInput(void *values, int size)
{
if (_rollingback)
{
_last_input = _saved_frames.Peek().Input;
}
else
{
if (_sync.FrameCount == 0)
{
_sync.SaveCurrentFrame();
}
_last_input = _current_input;
}
fixed(byte *ptr = _last_input.bits)
{
UnsafeUtility.MemCpy(values, ptr, size);
}
return(0);
}
public bool AddLocalInput(int queue, ref GameInput input)
{
int frames_behind = FrameCount - _lastConfirmedFrame;
if (FrameCount >= _maxPredictionFrames &&
frames_behind >= _maxPredictionFrames)
{
Debug.Log("Rejecting input from emulator: reached prediction barrier.");
return(false);
}
if (FrameCount == 0)
{
SaveCurrentFrame();
}
Debug.LogFormat("Sending undelayed local frame {0} to queue {1}.", FrameCount, queue);
input.Frame = FrameCount;
_inputQueues[queue].AddInput(ref input);
return(true);
}
public int SynchronizeInputs(void *values, int size)
{
int disconnect_flags = 0;
var output = (byte *)values;
Assert.IsTrue(size >= _config.NumPlayers * _config.InputSize);
UnsafeUtility.MemClear(values, size);
for (int i = 0; i < _config.NumPlayers; i++)
{
var input = new GameInput(GameInput.kNullFrame, null, (uint)_config.InputSize);
if (_localConnectStatus[i].Disconnected &&
FrameCount > _localConnectStatus[i].LastFrame)
{
disconnect_flags |= (1 << i);
}
else
{
_inputQueues[i].GetInput(FrameCount, out input);
}
UnsafeUtility.MemCpy(output + (i * _config.InputSize), input.bits, _config.InputSize);
}
return(disconnect_flags);
}
public void AddRemoteInput(int queue, ref GameInput input)
{
_inputQueues[queue].AddInput(ref input);
}
public bool GetInput(int requested_frame, out GameInput input)
{
Debug.LogFormat("requesting input frame {}.", requested_frame);
// No one should ever try to grab any input when we have a prediction
// error. Doing so means that we're just going further down the wrong
// path. Assert.IsTrue this to verify that it's true.
Assert.IsTrue(_firstIncorrectFrame == GameInput.kNullFrame);
// Remember the last requested frame number for later. We'll need
// this in AddInput() to drop out of prediction mode.
_lastFrameRequested = requested_frame;
Assert.IsTrue(requested_frame >= _inputs[_tail].Frame);
if (_prediction.Frame == GameInput.kNullFrame)
{
// If the frame requested is in our range, fetch it out of the queue and
// return it.
int offset = requested_frame - _inputs[_tail].Frame;
if (offset < _length)
{
offset = (offset + _tail) % _inputs.Length;
Assert.IsTrue(_inputs[offset].Frame == requested_frame);
input = _inputs[offset];
Debug.LogFormat("returning confirmed frame number {}.", input.Frame);
return(true);
}
// The requested frame isn't in the queue. Bummer. This means we need
// to return a prediction frame. Predict that the user will do the
// same thing they did last time.
if (requested_frame == 0)
{
Debug.Log("basing new prediction frame from nothing, you're client wants frame 0.");
_prediction.Clear();
}
else if (_lastAddedFrame == GameInput.kNullFrame)
{
Debug.Log("basing new prediction frame from nothing, since we have no frames yet.");
_prediction.Clear();
}
else
{
Debug.LogFormat("basing new prediction frame from previously added frame (queue entry:{}, frame:{}).",
PreviousFrame(_head), _inputs[PreviousFrame(_head)].Frame);
_prediction = _inputs[PreviousFrame(_head)];
}
_prediction.Frame++;
}
Assert.IsTrue(_prediction.Frame >= 0);
// If we've made it this far, we must be predicting. Go ahead and
// forward the prediction frame contents. Be sure to return the
// frame number requested by the client, though.
input = _prediction;
input.Frame = requested_frame;
Debug.LogFormat("returning prediction frame number {} ({}).", input.Frame, _prediction.Frame);
return(false);
}
