// calls OnPhotonSerializeView (through ExecuteOnSerialize)
// the content created here is consumed by receivers in: ReadOnSerialize
private Hashtable OnSerializeWrite(PhotonView view)
{
// each view creates a list of values that should be sent
List<object> data = new List<object>();
// 1=Specific data
if (view.observed is MonoBehaviour)
{
PhotonStream pStream = new PhotonStream(true, null);
PhotonMessageInfo info = new PhotonMessageInfo(this.mLocalActor, this.ServerTimeInMilliSeconds, view);
view.ExecuteOnSerialize(pStream, info);
if (pStream.Count == 0)
{
// if an observed script didn't write any data, we don't send anything
return null;
}
// we want to use the content of the stream (filled in by user scripts)
data = pStream.data;
}
else if (view.observed is Transform)
{
Transform trans = (Transform)view.observed;
if (view.onSerializeTransformOption == OnSerializeTransform.OnlyPosition
|| view.onSerializeTransformOption == OnSerializeTransform.PositionAndRotation
|| view.onSerializeTransformOption == OnSerializeTransform.All)
data.Add(trans.localPosition);
else
data.Add(null);
if (view.onSerializeTransformOption == OnSerializeTransform.OnlyRotation
|| view.onSerializeTransformOption == OnSerializeTransform.PositionAndRotation
|| view.onSerializeTransformOption == OnSerializeTransform.All)
data.Add(trans.localRotation);
else
data.Add(null);
if (view.onSerializeTransformOption == OnSerializeTransform.OnlyScale
|| view.onSerializeTransformOption == OnSerializeTransform.All)
data.Add(trans.localScale);
}
else if (view.observed is Rigidbody)
{
Rigidbody rigidB = (Rigidbody)view.observed;
if (view.onSerializeRigidBodyOption != OnSerializeRigidBody.OnlyAngularVelocity)
data.Add(rigidB.velocity);
else
data.Add(null);
if (view.onSerializeRigidBodyOption != OnSerializeRigidBody.OnlyVelocity)
data.Add(rigidB.angularVelocity);
}
else
{
Debug.LogError("Observed type is not serializable: " + view.observed.GetType());
return null;
}
object[] dataArray = data.ToArray();
if (view.synchronization == ViewSynchronization.UnreliableOnChange)
{
if (AlmostEquals(dataArray, view.lastOnSerializeDataSent))
{
if (view.mixedModeIsReliable)
{
return null;
}
view.mixedModeIsReliable = true;
view.lastOnSerializeDataSent = dataArray;
}
else
{
view.mixedModeIsReliable = false;
view.lastOnSerializeDataSent = dataArray;
}
}
// EVDATA:
// 0=View ID (an int, never compressed cause it's not in the data)
// 1=data of observed type (different per type of observed object)
// 2=compressed data (in this case, key 1 is empty)
// 3=list of values that are actually null (if something was changed but actually IS null)
Hashtable evData = new Hashtable();
evData[(byte)0] = (int)view.viewID;
evData[(byte)1] = dataArray; // this is the actual data (script or observed object)
if (view.synchronization == ViewSynchronization.ReliableDeltaCompressed)
{
// compress content of data set (by comparing to view.lastOnSerializeDataSent)
// the "original" dataArray is NOT modified by DeltaCompressionWrite
// if something was compressed, the evData key 2 and 3 are used (see above)
bool somethingLeftToSend = this.DeltaCompressionWrite(view, evData);
// buffer the full data set (for next compression)
view.lastOnSerializeDataSent = dataArray;
if (!somethingLeftToSend)
{
return null;
}
}
return evData;
}