void Deserialize(byte[] bytes, int senderId)
{
VoosNetworkTypes.ShortToBytes stb = new VoosNetworkTypes.ShortToBytes();
VoosNetworkTypes.UintToBytes utb = new VoosNetworkTypes.UintToBytes();
if (bytes.Length < 6)
{
return;
}
stb.byte0 = bytes[0];
stb.byte1 = bytes[1];
short positionCount = stb.data;
utb.byte0 = bytes[1];
utb.byte1 = bytes[2];
utb.byte2 = bytes[3];
utb.byte3 = 0;
float timestamp = VoosNetworkTypes.DecompressFloatFromUint24(utb.data);
if (bytes.Length < 5 + positionCount * size)
{
return;
}
for (int i = 0; i < positionCount; i++)
{
int offset = 5 + i * size;
/// View Id
stb.byte0 = bytes[offset];
stb.byte1 = bytes[offset + 1];
offset += 2;
short viewId = stb.data;
if (actors.ContainsKey(viewId))
{
NetworkedActor na = actors[viewId];
VoosActor va = na.actor;
if (va == null)
{
diag.numNullActorEntries++;
}
if (va != null && va.reliablePhotonView.ownerId != senderId)
{
diag.numSenderOwnerMismatches++;
}
if (va != null && va.reliablePhotonView.ownerId == senderId)
{
va.lastUnreliableUpdateTime = Time.realtimeSinceStartup;
va.unrel = na;
float timeDelta = Mathf.Clamp(timestamp - na.lastRecvTimestamp, 0.01f, maxTimeDelta);
na.lastRecvTimestamp = timestamp;
UnreliableBitmask mask = (UnreliableBitmask)bytes[offset];
offset += 1;
Vector3 oldP = na.lastPosition;
/// Local Position
utb.byte0 = bytes[offset];
utb.byte1 = bytes[offset + 1];
utb.byte2 = bytes[offset + 2];
utb.byte3 = 0;
na.lastPosition.x = VoosNetworkTypes.DecompressFloatFromUint24(utb.data);
utb.byte0 = bytes[offset + 3];
utb.byte1 = bytes[offset + 4];
utb.byte2 = bytes[offset + 5];
utb.byte3 = 0;
na.lastPosition.y = VoosNetworkTypes.DecompressFloatFromUint24(utb.data);
utb.byte0 = bytes[offset + 6];
utb.byte1 = bytes[offset + 7];
utb.byte2 = bytes[offset + 8];
utb.byte3 = 0;
offset += 9;
na.lastPosition.z = VoosNetworkTypes.DecompressFloatFromUint24(utb.data);
Vector3 predictionError = na.lastPosition - va.transform.position;
Quaternion oldQ = na.lastRotation;
// Full precision rotation for static
var ftb = new VoosNetworkTypes.FloatToBytes();
float x = ftb.DeserializeFrom(bytes, ref offset);
float y = ftb.DeserializeFrom(bytes, ref offset);
float z = ftb.DeserializeFrom(bytes, ref offset);
float w = ftb.DeserializeFrom(bytes, ref offset);
na.lastRotation = new Quaternion(x, y, z, w);
/// Color
Color32 c = new Color32();
c.r = bytes[offset];
c.g = bytes[offset + 1];
c.b = bytes[offset + 2];
c.a = bytes[offset + 3];
offset += 4;
va.SetTint(c);
/// Linear V
utb.byte0 = bytes[offset];
utb.byte1 = bytes[offset + 1];
utb.byte2 = bytes[offset + 2];
utb.byte3 = 0;
na.linearVelocity.x = VoosNetworkTypes.DecompressFloatFromUint24(utb.data);
utb.byte0 = bytes[offset + 3];
utb.byte1 = bytes[offset + 4];
utb.byte2 = bytes[offset + 5];
utb.byte3 = 0;
na.linearVelocity.y = VoosNetworkTypes.DecompressFloatFromUint24(utb.data);
utb.byte0 = bytes[offset + 6];
utb.byte1 = bytes[offset + 7];
utb.byte2 = bytes[offset + 8];
utb.byte3 = 0;
na.linearVelocity.z = VoosNetworkTypes.DecompressFloatFromUint24(utb.data);
Rigidbody rb = va.GetComponent <Rigidbody>();
bool isDynamic = rb != null && va.GetEnablePhysics();
// Hard Snap if the teleport flag is on. Otherwise we smoothly interpolate.
if ((mask & UnreliableBitmask.Teleport) == UnreliableBitmask.Teleport)
{
predictionError = Vector3.zero;
va.transform.position = na.lastPosition;
va.transform.rotation = na.lastRotation;
if (rb != null)
{
rb.velocity = Vector3.zero;
rb.angularVelocity = Vector3.zero;
}
}
if (va.IsParented())
{
continue;
}
if (isDynamic)
{
if (SnapRigidbodyOnRecv)
{
rb.velocity = na.linearVelocity;
rb.MovePosition(na.lastPosition);
rb.MoveRotation(na.lastRotation);
}
else
{
const float catchUpEnterThresh = 1f;
const float catchUpExitThresh = 0.5f;
float errorDist = predictionError.magnitude;
if (!va.GetReplicantCatchUpMode())
{
if (errorDist > catchUpEnterThresh)
{
va.SetReplicantCatchUpMode(true);
}
}
else
{
if (va.debug)
{
Util.Log($"in catch up mode... err dist: {errorDist}");
}
if (errorDist < catchUpExitThresh)
{
va.SetReplicantCatchUpMode(false);
}
}
if (va.GetReplicantCatchUpMode())
{
// Let the fixed update directly lerp this.
}
else
{
// Best-effort corrective velocity only.
// TODO expose some tunable error -> correction velocity parameter?
rb.velocity = na.linearVelocity + predictionError;
}
}
}
}
}
else
{
diag.numUnknownViewIds++;
}
}
}
byte[] Serialize()
{
serializationBytes.Clear();
VoosNetworkTypes.ShortToBytes stb = new VoosNetworkTypes.ShortToBytes();
VoosNetworkTypes.UintToBytes utb = new VoosNetworkTypes.UintToBytes();
int totalCount = 0;
float totalProbability = 0;
foreach (KeyValuePair <short, NetworkedActor> na in actors)
{
VoosActor va = na.Value.actor;
if (va != null && va.reliablePhotonView.isMine && !va.IsParented())
{
Vector3 p = va.transform.position;
Quaternion q = va.transform.rotation;
if (na.Value.lastPosition != p || na.Value.lastRotation != q || na.Value.lastColor != va.GetTint())
{
na.Value.lastPosition = p;
na.Value.lastRotation = q;
na.Value.lastColor = va.GetTint();
na.Value.lastTransformUpdateFrame = Time.frameCount;
na.Value.messagesSinceLastUpdate = 0;
}
na.Value.updateProbability = Mathf.Clamp(1.0f / (float)(1 + na.Value.messagesSinceLastUpdate), minimumProbabilityOfUpdate, 1);
totalProbability += na.Value.updateProbability;
}
totalCount++;
}
float probabilityOfPositionUpdate = 1;
if (totalCount > MaxPositionUpdatesPerTick)
{
probabilityOfPositionUpdate = (float)MaxPositionUpdatesPerTick / totalProbability;
}
/// Message Header
/// Transform count - will modify after the fact.
serializationBytes.Add(0);
serializationBytes.Add(0);
/// Timestamp for prediction.
utb.data = VoosNetworkTypes.CompressFloatToUint24(Time.time);
serializationBytes.Add(utb.byte0);
serializationBytes.Add(utb.byte1);
serializationBytes.Add(utb.byte2);
int index = 0;
foreach (KeyValuePair <short, NetworkedActor> na in actors)
{
VoosActor va = na.Value.actor;
if (va != null && va.reliablePhotonView.isMine && !va.IsParented())
{
if (Random.value > (probabilityOfPositionUpdate * na.Value.updateProbability))
{
continue;
}
na.Value.messagesSinceLastUpdate++;
/// View ID
stb.data = (short)va.reliablePhotonView.viewID;
serializationBytes.Add(stb.byte0);
serializationBytes.Add(stb.byte1);
/// Network data bitmask
UnreliableBitmask mask = UnreliableBitmask.None;
mask |= va.GetTeleport() ? UnreliableBitmask.Teleport : UnreliableBitmask.None;
mask |= va.GetEnablePhysics() ? UnreliableBitmask.EnablePhysics : UnreliableBitmask.None;
serializationBytes.Add((byte)mask);
// Unset the "teleport" flag, as it's transient and should only be used for one network packet.
va.SetTeleport(false);
// SUBTLE: If physics is not enabled, then pos/rot is not likely to
// change. However, any inaccuracies are also more likely to be noticed
// (such as static walls being slightly tilted). So given this, always
// send full precision updates for static objects. Sure, this is less
// efficient for things like moving platforms which do not have physics
// but often change, but that's likely to be a minority.
/// Local Position
utb.WriteUint24(serializationBytes, VoosNetworkTypes.CompressFloatToUint24(na.Value.lastPosition.x));
utb.WriteUint24(serializationBytes, VoosNetworkTypes.CompressFloatToUint24(na.Value.lastPosition.y));
utb.WriteUint24(serializationBytes, VoosNetworkTypes.CompressFloatToUint24(na.Value.lastPosition.z));
// Static - send full precision rotation on change. TODO I'm sure
// there's some way to compress it to 8 bytes without loss.
var ftb = new VoosNetworkTypes.FloatToBytes();
Quaternion q = na.Value.lastRotation;
ftb.SerializeTo(serializationBytes, q.x);
ftb.SerializeTo(serializationBytes, q.y);
ftb.SerializeTo(serializationBytes, q.z);
ftb.SerializeTo(serializationBytes, q.w);
//Color
serializationBytes.Add(na.Value.lastColor.r);
serializationBytes.Add(na.Value.lastColor.g);
serializationBytes.Add(na.Value.lastColor.b);
serializationBytes.Add(na.Value.lastColor.a);
/// Linear Velocity
Rigidbody rb = va.GetComponent <Rigidbody>();
Vector3 lv = Vector3.zero;
if (rb != null && !rb.isKinematic)
{
lv = rb.velocity;
}
utb.data = VoosNetworkTypes.CompressFloatToUint24(lv.x);
serializationBytes.Add(utb.byte0);
serializationBytes.Add(utb.byte1);
serializationBytes.Add(utb.byte2);
utb.data = VoosNetworkTypes.CompressFloatToUint24(lv.y);
serializationBytes.Add(utb.byte0);
serializationBytes.Add(utb.byte1);
serializationBytes.Add(utb.byte2);
utb.data = VoosNetworkTypes.CompressFloatToUint24(lv.z);
serializationBytes.Add(utb.byte0);
serializationBytes.Add(utb.byte1);
serializationBytes.Add(utb.byte2);
index++;
}
}
stb.data = (short)index;
serializationBytes[0] = stb.byte0;
serializationBytes[1] = stb.byte1;
if (index == 0)
{
return(null);
}
return(serializationBytes.ToArray());
}
