// serialization is needed by OnSerialize and by manual sending from authority
void DeserializeFromReader(NetworkReader reader)
{
// put it into a data point immediately
DataPoint temp = new DataPoint
{
// deserialize position, rotation, scale
// (rotation is optionally compressed)
localPosition = reader.ReadVector3(),
localRotation = compressRotation
? Compression.DecompressQuaternion(reader.ReadUInt())
: reader.ReadQuaternion(),
// use current target scale, so we can check boolean and reader later, to see if the data is actually sent.
localScale = targetComponent.localScale,
timeStamp = Time.time
};
if (syncScale)
{
// Reader length is checked here, 12 is used as thats the current Vector3 (3 floats) amount.
// In rare cases people may do mis-matched builds, log useful warning message, and then do not process missing scale data.
if (reader.Length >= 12)
{
temp.localScale = reader.ReadVector3();
}
else
{
Debug.LogWarning("Reader length does not contain enough data for a scale, please check that both server and client builds syncScale booleans match.", this);
}
}
// movement speed: based on how far it moved since last time
// has to be calculated before 'start' is overwritten
temp.movementSpeed = EstimateMovementSpeed(goal, temp, targetComponent, syncInterval);
// reassign start wisely
// -> first ever data point? then make something up for previous one
// so that we can start interpolation without waiting for next.
if (start == null)
{
start = new DataPoint
{
timeStamp = Time.time - syncInterval,
// local position/rotation for VR support
localPosition = targetComponent.localPosition,
localRotation = targetComponent.localRotation,
localScale = targetComponent.localScale,
movementSpeed = temp.movementSpeed
};
}
// -> second or nth data point? then update previous, but:
// we start at where ever we are right now, so that it's
// perfectly smooth and we don't jump anywhere
//
// example if we are at 'x':
//
// A--x->B
//
// and then receive a new point C:
//
// A--x--B
// |
// |
// C
//
// then we don't want to just jump to B and start interpolation:
//
// x
// |
// |
// C
//
// we stay at 'x' and interpolate from there to C:
//
// x..B
// \ .
// \.
// C
//
else
{
float oldDistance = Vector3.Distance(start.localPosition, goal.localPosition);
float newDistance = Vector3.Distance(goal.localPosition, temp.localPosition);
start = goal;
// teleport / lag / obstacle detection: only continue at current
// position if we aren't too far away
//
// local position/rotation for VR support
if (Vector3.Distance(targetComponent.localPosition, start.localPosition) < oldDistance + newDistance)
{
start.localPosition = targetComponent.localPosition;
start.localRotation = targetComponent.localRotation;
start.localScale = targetComponent.localScale;
}
}
// set new destination in any case. new data is best data.
goal = temp;
}
// serialization is needed by OnSerialize and by manual sending from authority
void DeserializeFromReader(NetworkReader reader)
{
// put it into a data point immediately
DataPoint temp = new DataPoint {
// deserialize position, rotation, scale
// (rotation is compressed)
localPosition = reader.ReadVector3(),
localRotation = Compression.DecompressQuaternion(reader.ReadUInt32()),
localScale = reader.ReadVector3(),
timeStamp = Time.time
};
// movement speed: based on how far it moved since last time
// has to be calculated before 'start' is overwritten
temp.movementSpeed = EstimateMovementSpeed(goal, temp, targetComponent.transform, syncInterval);
// reassign start wisely
// -> first ever data point? then make something up for previous one
// so that we can start interpolation without waiting for next.
if (start == null)
{
start = new DataPoint {
timeStamp = Time.time - syncInterval,
// local position/rotation for VR support
localPosition = targetComponent.transform.localPosition,
localRotation = targetComponent.transform.localRotation,
localScale = targetComponent.transform.localScale,
movementSpeed = temp.movementSpeed
};
}
// -> second or nth data point? then update previous, but:
// we start at where ever we are right now, so that it's
// perfectly smooth and we don't jump anywhere
//
// example if we are at 'x':
//
// A--x->B
//
// and then receive a new point C:
//
// A--x--B
// |
// |
// C
//
// then we don't want to just jump to B and start interpolation:
//
// x
// |
// |
// C
//
// we stay at 'x' and interpolate from there to C:
//
// x..B
// \ .
// \.
// C
//
else
{
float oldDistance = Vector3.Distance(start.localPosition, goal.localPosition);
float newDistance = Vector3.Distance(goal.localPosition, temp.localPosition);
start = goal;
// teleport / lag / obstacle detection: only continue at current
// position if we aren't too far away
//
// local position/rotation for VR support
if (Vector3.Distance(targetComponent.transform.localPosition, start.localPosition) < oldDistance + newDistance)
{
start.localPosition = targetComponent.transform.localPosition;
start.localRotation = targetComponent.transform.localRotation;
start.localScale = targetComponent.transform.localScale;
}
}
// set new destination in any case. new data is best data.
goal = temp;
}
// serialization is needed by OnSerialize and by manual sending from authority
static void SerializeIntoWriter(NetworkWriter writer, Vector3 position, Quaternion rotation, Compression compressRotation, Vector3 scale)
{
// serialize position
writer.WriteVector3(position);
// serialize rotation
// writing quaternion = 16 byte
// writing euler angles = 12 byte
// -> quaternion->euler->quaternion always works.
// -> gimbal lock only occurs when adding.
Vector3 euler = rotation.eulerAngles;
if (compressRotation == Compression.None)
{
// write 3 floats = 12 byte
writer.WriteSingle(euler.x);
writer.WriteSingle(euler.y);
writer.WriteSingle(euler.z);
}
else if (compressRotation == Compression.Much)
{
// write 3 byte. scaling [0,360] to [0,255]
writer.WriteByte(FloatBytePacker.ScaleFloatToByte(euler.x, 0, 360, byte.MinValue, byte.MaxValue));
writer.WriteByte(FloatBytePacker.ScaleFloatToByte(euler.y, 0, 360, byte.MinValue, byte.MaxValue));
writer.WriteByte(FloatBytePacker.ScaleFloatToByte(euler.z, 0, 360, byte.MinValue, byte.MaxValue));
}
else if (compressRotation == Compression.Lots)
{
// write 2 byte, 5 bits for each float
writer.WriteUInt16(FloatBytePacker.PackThreeFloatsIntoUShort(euler.x, euler.y, euler.z, 0, 360));
}
// serialize scale
writer.WriteVector3(scale);
}