public void GetDelegate()
{
// registerdelegate is protected, but we can use
// RegisterCommandDelegate which calls RegisterDelegate
int registeredHash = RemoteProcedureCalls.RegisterDelegate(
typeof(NetworkBehaviourDelegateComponent),
nameof(NetworkBehaviourDelegateComponent.Delegate),
RemoteCallType.Command,
NetworkBehaviourDelegateComponent.Delegate,
false);
// get handler
int cmdHash = nameof(NetworkBehaviourDelegateComponent.Delegate).GetStableHashCode();
RemoteCallDelegate func = RemoteProcedureCalls.GetDelegate(cmdHash);
RemoteCallDelegate expected = NetworkBehaviourDelegateComponent.Delegate;
Assert.That(func, Is.EqualTo(expected));
// invalid hash should return null handler
RemoteCallDelegate funcNull = RemoteProcedureCalls.GetDelegate(1234);
Assert.That(funcNull, Is.Null);
// clean up
RemoteProcedureCalls.RemoveDelegate(registeredHash);
}
// pass full function name to avoid ClassA.Func & ClassB.Func collisions
internal static int RegisterDelegate(Type componentType, string functionFullName, RemoteCallType remoteCallType, RemoteCallDelegate func, bool cmdRequiresAuthority = true)
{
// type+func so Inventory.RpcUse != Equipment.RpcUse
int hash = functionFullName.GetStableHashCode();
if (CheckIfDelegateExists(componentType, remoteCallType, func, hash))
{
return(hash);
}
// register invoker by hash
remoteCallDelegates[hash] = new Invoker
{
callType = remoteCallType,
componentType = componentType,
function = func,
cmdRequiresAuthority = cmdRequiresAuthority
};
return(hash);
}
static bool CheckIfDelegateExists(Type componentType, RemoteCallType remoteCallType, RemoteCallDelegate func, int functionHash)
{
if (remoteCallDelegates.ContainsKey(functionHash))
{
// something already registered this hash.
// it's okay if it was the same function.
Invoker oldInvoker = remoteCallDelegates[functionHash];
if (oldInvoker.AreEqual(componentType, remoteCallType, func))
{
return(true);
}
// otherwise notify user. there is a rare chance of string
// hash collisions.
Debug.LogError($"Function {oldInvoker.componentType}.{oldInvoker.function.GetMethodName()} and {componentType}.{func.GetMethodName()} have the same hash. Please rename one of them");
}
return(false);
}
public bool AreEqual(Type componentType, RemoteCallType remoteCallType, RemoteCallDelegate invokeFunction) => this.componentType == componentType && this.callType == remoteCallType && this.function == invokeFunction;
// pass full function name to avoid ClassA.Func <-> ClassB.Func collisions // need to pass componentType to support invoking on GameObjects with // multiple components of same type with same remote call. public static void RegisterRpc(Type componentType, string functionFullName, RemoteCallDelegate func) => RegisterDelegate(componentType, functionFullName, RemoteCallType.ClientRpc, func);
// pass full function name to avoid ClassA.Func <-> ClassB.Func collisions // need to pass componentType to support invoking on GameObjects with // multiple components of same type with same remote call. public static void RegisterCommand(Type componentType, string functionFullName, RemoteCallDelegate func, bool requiresAuthority) => RegisterDelegate(componentType, functionFullName, RemoteCallType.Command, func, requiresAuthority);