public override void OnSerializeDelta(NetworkWriter writer)
{
// write all the queued up changes
writer.WriteUInt((uint)changes.Count);
for (int i = 0; i < changes.Count; i++)
{
Change change = changes[i];
writer.WriteByte((byte)change.operation);
switch (change.operation)
{
case Operation.OP_ADD:
writer.Write(change.item);
break;
case Operation.OP_CLEAR:
break;
case Operation.OP_REMOVEAT:
writer.WriteUInt((uint)change.index);
break;
case Operation.OP_INSERT:
case Operation.OP_SET:
writer.WriteUInt((uint)change.index);
writer.Write(change.item);
break;
}
}
}
public static void WriteNetworkIdentity(this NetworkWriter writer, NetworkIdentity value)
{
if (value == null)
{
writer.WriteUInt(0);
return;
}
writer.WriteUInt(value.netId);
}
public static void WriteNetworkBehaviour(this NetworkWriter writer, NetworkBehaviour value)
{
if (value == null)
{
writer.WriteUInt(0);
return;
}
writer.WriteUInt(value.netId);
writer.WriteByte((byte)value.ComponentIndex);
}
// for byte arrays with dynamic size, where the reader doesn't know how many will come
// (like an inventory with different items etc.)
public static void WriteBytesAndSize(this NetworkWriter writer, byte[] buffer, int offset, int count)
{
// null is supported because [SyncVar]s might be structs with null byte[] arrays
// write 0 for null array, increment normal size by 1 to save bandwidth
// (using size=-1 for null would limit max size to 32kb instead of 64kb)
if (buffer == null)
{
writer.WriteUInt(0u);
return;
}
writer.WriteUInt(checked ((uint)count) + 1u);
writer.WriteBytes(buffer, offset, count);
}
public override void OnSerializeAll(NetworkWriter writer)
{
// if init, write the full list content
writer.WriteUInt((uint)objects.Count);
foreach (T obj in objects)
{
writer.Write(obj);
}
// all changes have been applied already
// thus the client will need to skip all the pending changes
// or they would be applied again.
// So we write how many changes are pending
writer.WriteUInt((uint)changes.Count);
}
public void OnSerializeAll(NetworkWriter writer)
{
// if init, write the full list content
writer.WriteUInt((uint)objects.Count);
foreach (KeyValuePair <TKey, TValue> syncItem in objects)
{
writer.Write(syncItem.Key);
writer.Write(syncItem.Value);
}
// all changes have been applied already
// thus the client will need to skip all the pending changes
// or they would be applied again.
// So we write how many changes are pending
writer.WriteUInt((uint)changes.Count);
}
public static void WriteUIntNullable(this NetworkWriter writer, uint?value)
{
writer.WriteBool(value.HasValue);
if (value.HasValue)
{
writer.WriteUInt(value.Value);
}
}
public static void WriteFloat(this NetworkWriter writer, float value)
{
UIntFloat converter = new UIntFloat
{
floatValue = value
};
writer.WriteUInt(converter.intValue);
}
public static void WriteGameObject(this NetworkWriter writer, GameObject value)
{
if (value == null)
{
writer.WriteUInt(0);
return;
}
NetworkIdentity identity = value.GetComponent <NetworkIdentity>();
if (identity != null)
{
writer.WriteUInt(identity.netId);
}
else
{
Debug.LogWarning("NetworkWriter " + value + " has no NetworkIdentity");
writer.WriteUInt(0);
}
}
public static void WriteTransform(this NetworkWriter writer, Transform value)
{
if (value == null)
{
writer.WriteUInt(0);
return;
}
NetworkIdentity identity = value.GetComponent <NetworkIdentity>();
if (identity != null)
{
writer.WriteUInt(identity.netId);
}
else
{
Debug.LogWarning($"NetworkWriter {value} has no NetworkIdentity");
writer.WriteUInt(0);
}
}
public static void WriteNetworkIdentity(this NetworkWriter writer, NetworkIdentity value)
{
if (value == null)
{
writer.WriteUInt(0);
return;
}
// users might try to use unspawned / prefab GameObjects in
// rpcs/cmds/syncvars/messages. they would be null on the other
// end, and it might not be obvious why. let's make it obvious.
// https://github.com/vis2k/Mirror/issues/2060
//
// => warning (instead of exception) because we also use a warning
// if a GameObject doesn't have a NetworkIdentity component etc.
if (value.netId == 0)
{
Debug.LogWarning($"Attempted to serialize unspawned GameObject: {value.name}. Prefabs and unspawned GameObjects would always be null on the other side. Please spawn it before using it in [SyncVar]s/Rpcs/Cmds/NetworkMessages etc.");
}
writer.WriteUInt(value.netId);
}
public static void WriteGameObject(this NetworkWriter writer, GameObject value)
{
if (value == null)
{
writer.WriteUInt(0);
return;
}
// warn if the GameObject doesn't have a NetworkIdentity,
NetworkIdentity identity = value.GetComponent <NetworkIdentity>();
if (identity == null)
{
Debug.LogWarning($"NetworkWriter {value} has no NetworkIdentity");
}
// serialize the correct amount of data in any case to make sure
// that the other end can read the expected amount of data too.
writer.WriteNetworkIdentity(identity);
}
// serialization is needed by OnSerialize and by manual sending from authority
// public only for tests
public static void SerializeIntoWriter(NetworkWriter writer, Vector3 position, Quaternion rotation, Vector3 scale, bool compressRotation, bool syncScale)
{
// serialize position, rotation, scale
// => compress rotation from 4*4=16 to 4 bytes
// => less bandwidth = better CCU tests / scale
writer.WriteVector3(position);
if (compressRotation)
{
// smalles three compression for 3D
writer.WriteUInt(Compression.CompressQuaternion(rotation));
}
else
{
// uncompressed for 2D
writer.WriteQuaternion(rotation);
}
if (syncScale)
{
writer.WriteVector3(scale);
}
}
public static void WriteInt(this NetworkWriter writer, int value) => writer.WriteUInt((uint)value);
public static void WriteUInt32(this NetworkWriter writer, uint value) => writer.WriteUInt(value);