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());
}
