/// <summary>
/// Executed in edit mode when scripts are reloaded.
/// </summary>
public void InitializeRPCs()
{
#if UNITY_EDITOR
if (m_Methods == null)
{
m_Methods = new List <RPCMethodInfo>();
}
m_Methods.Clear();
Assembly[] assemblies = AppDomain.CurrentDomain.GetAssemblies();
foreach (Assembly assembly in assemblies)
{
Type[] types = assembly.GetTypes();
foreach (Type type in types)
{
if (!type.IsSubclassOf(typeof(NetworkBehaviour)) || !type.IsPublic || type.IsAbstract)
{
continue;
}
MethodInfo[] methods = type.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
foreach (MethodInfo method in methods)
{
IEnumerable <Attribute> attributes = method.GetCustomAttributes();
foreach (Attribute att in attributes)
{
if (att is NetworkRPCAttribute rpc)
{
RPCMethodInfo rpcMethod = new RPCMethodInfo(type.Name, method.Name, method.GetParameters()?.Length ?? 0);
m_Methods.Add(rpcMethod);
break;
}
}
}
}
}
#endif
}
/// <summary>
/// Execute a remote procedure.
/// </summary>
/// <param name="netInstanceID">The <see cref="NetworkIdentity.InstanceID"/>.</param>
/// <param name="function">The name of the function.</param>
/// <param name="parameters">The function parameters.</param>
public void Call(NetworkIdentity identity, RPCType type, string function, params object[] parameters)
{
int connectionID = NetworkController.Instance.IsServer ? identity.OwnerConnection?.ConnectionID ?? -1 : NetworkController.Instance.ConnectionID;
if (!NetworkController.Instance.IsServer)
{
if (type == RPCType.Target)
{
throw new InvalidOperationException("You cannot send a targetted RPC because you are not the server.");
}
if (identity.OwnerConnection == null)
{
throw new InvalidOperationException("The network identity has no owner and cannot execute any RPCs");
}
if (identity == null)
{
throw new InvalidOperationException("The network identity specified does not exist on this client: " + identity.InstanceID);
}
if (identity.OwnerConnection.ConnectionID != NetworkController.Instance.LocalConnectionID)
{
throw new InvalidOperationException("You are not the owner of this object and cannot execute RPCs on it.");
}
}
int index = m_Methods?.FindIndex(x => x.m_MethodName == function) ?? -1;
if (index == -1)
{
return;
}
RPCMethodInfo rpc = m_Methods[index];
if (rpc.m_ArgumentCount != parameters.Length)
{
throw new InvalidOperationException("Given argument count for " + function + " does not match the argument count specified.");
}
NetworkWriter writer = GetRPCWriter(NetworkController.Instance.LocalConnectionID, identity.InstanceID, (byte)type, index, rpc.m_ArgumentCount, parameters);
byte[] data = writer.ToArray();
switch (type)
{
case RPCType.All:
{
if (NetworkController.Instance.IsServer)
{
NetworkController.Instance.SendToAll(NetworkController.ReliableSequencedChannel, RPCMsg, data);
}
else
{
NetworkController.Instance.Send(connectionID, NetworkController.ReliableSequencedChannel, RPCMsg, data);
}
break;
}
case RPCType.Others:
{
if (NetworkController.Instance.IsServer)
{
NetworkController.Instance.SendToAll(NetworkController.ReliableSequencedChannel, RPCMsg, data);
}
else
{
NetworkController.Instance.Send(connectionID, NetworkController.ReliableSequencedChannel, RPCMsg, data);
}
break;
}
case RPCType.ServerOnly:
{
if (NetworkController.Instance.IsServer)
{
NetworkBehaviour networkBehaviour = identity.GetComponent <NetworkBehaviour>();
networkBehaviour.InvokeRPC(function, parameters);
}
else
{
NetworkController.Instance.Send(connectionID, NetworkController.ReliableSequencedChannel, RPCMsg, data);
}
break;
}
case RPCType.AllBuffered:
{
if (NetworkController.Instance.IsServer)
{
InitBuffer(identity.InstanceID);
m_BufferedMessages[identity.InstanceID].Add(new NetworkWriter(writer.ToArray()));
NetworkController.Instance.SendToAll(NetworkController.ReliableSequencedChannel, RPCMsg, data);
}
else
{
NetworkController.Instance.Send(connectionID, NetworkController.ReliableSequencedChannel, RPCMsg, data);
}
break;
}
case RPCType.OthersBuffered:
{
if (NetworkController.Instance.IsServer)
{
InitBuffer(identity.InstanceID);
m_BufferedMessages[identity.InstanceID].Add(new NetworkWriter(writer.ToArray()));
NetworkController.Instance.SendToAll(NetworkController.ReliableSequencedChannel, RPCMsg, data);
}
else
{
NetworkController.Instance.Send(connectionID, NetworkController.ReliableSequencedChannel, RPCMsg, data);
}
break;
}
case RPCType.Target:
{
if (parameters.Length > 0)
{
NetworkConnection connection = (NetworkConnection)parameters[0];
if (connection != null)
{
connection.Send(NetworkController.ReliableSequencedChannel, RPCMsg, data);
}
}
break;
}
}
}
private void OnRPC(NetworkWriter writer)
{
ReadRPC(writer, out int connection, out int instanceID, out byte rpcType, out int rpcIndex, out int argumentCount, out object[] arguments);
NetworkIdentity identity = NetworkIdentityManager.Instance.Get(instanceID);
if (identity == null)
{
if (!NetworkController.Instance.IsServer)
{
InitBuffer(instanceID);
m_BufferedMessages[instanceID].Add(new NetworkWriter(writer.ToArray()));
}
return;
}
if (rpcIndex == -1 || rpcIndex >= m_Methods.Count)
{
return;
}
if (NetworkController.Instance.IsServer)
{
RPCType type = (RPCType)rpcType;
if (type != RPCType.ServerOnly)
{
if (identity.OwnerConnection == null || identity.OwnerConnection.ConnectionID != connection)
{
return;
}
if (NetworkController.Instance.GetConnection(connection) == null)
{
return;
}
}
switch (type)
{
case RPCType.All:
NetworkController.Instance.SendToAll(NetworkController.ReliableSequencedChannel, RPCMsg, writer.ToArray());
return;
case RPCType.AllBuffered:
NetworkController.Instance.SendToAll(NetworkController.ReliableSequencedChannel, RPCMsg, writer.ToArray());
InitBuffer(instanceID);
m_BufferedMessages[instanceID].Add(new NetworkWriter(writer.ToArray()));
return;
case RPCType.Others:
NetworkController.Instance.SendToAllExcluding(writer.ToArray(), NetworkController.ReliableSequencedChannel, RPCMsg, connection);
return;
case RPCType.OthersBuffered:
NetworkController.Instance.SendToAllExcluding(writer.ToArray(), NetworkController.ReliableSequencedChannel, RPCMsg, connection);
InitBuffer(instanceID);
m_BufferedMessages[instanceID].Add(new NetworkWriter(writer.ToArray()));
return;
}
}
RPCMethodInfo method = m_Methods[rpcIndex];
NetworkBehaviour behaviour = (NetworkBehaviour)identity.GetComponent(method.m_TypeName);
behaviour.InvokeRPC(method.m_MethodName, arguments);
}
