archived-networking

[wide girder]

You should use the debugger with breakpoints to debug the issue.

[abstract copper]

is that method declared in a spawned NetworkBehaviour?

[sharp axle]

Is this using Photon or NGO?

[abstract copper]

they said they are switching from Photon to NGO

[sharp axle]

Derp totally skipped over that part.

[sly fable]

Every other responsibility the prefab is responsible for works just fine

[crude ridge]

If using relay with NGO, do we need a heartbeat for the relay like we have for lobby? It seems like relay doesn't allow connections after the first 10 sec

Wait @sharp axle, was I supposed to config this variable to make this code actually remove the player

[sharp axle]

No the Unity Transport takes care of that

[sharp axle]

That's the amount of time the player can be disconnected before it's automatically removed.

[crude ridge]

Right

So shouldn't I make that instant?

[sharp axle]

I didn't think that effected the relay integration removing the player. If your players are not mobile setting to 0 should be fine. Just know that any dropped packets could kick the player in that case

[crude ridge]

Well the min is 10

So ig I have to set it to 10 and not 0

Also do you know the rate limit for SendHeartbeatPingAsync?

How often should we send it

So ig it gets auto disconnected after 10 sec now, is there a way to make it so it's instant?

[mint anvil]

(using unity's lobby system when joining a lobby)
does anyone know what this means? and yes the lobbyId/code is the same when joining and when created.
the invalid character is always different
a few days ago it worked and now this?? idk what i changed to cause this

code:

    {   
        try
        {
            JoinLobbyByCodeOptions joinLobbyByCodeOptions = new JoinLobbyByCodeOptions
            {
                Player = GetPlayer()
            };
            Lobby lobby = await Lobbies.Instance.JoinLobbyByCodeAsync(lobbyCode, joinLobbyByCodeOptions);
            Debug.Log("joined Lobby: " + lobbyCode);
        }
        catch (LobbyServiceException e)
        {
            Debug.Log(e);
        }
        
    }```
Error:

[crude ridge]

you're inputting the lobby ID and not the code

either change it to be JoinLobbyByIdAsync or actually use the lobby code (which is 6 characters compared to the 22 of hte id)

[mint anvil]

ah thx makes sense

[waxen quest]

Can anyone tell what's the ideal way of setting these values?

MaxPacketQueueSize & MaxPayloadSize

Like for a game with 5-20 players what should be the value?

I found this on the forum is this correct?

MaxPacketQueueSize is (Clients * Clients + 10) * 2 (10 for a small buffer, 2 for the reliable message system)


MaxPayloadSize is: ((Clients + 10) * (sizeof(float) * 3 * 3) * 10 (10 again buffer, the flaot times three shall 
represent the Transform at the Client spawn, and times 10 just as safeguard not being to low)

[sharp axle]

I believe that forum thread is still mostly accurate. If it's this one
https://forum.unity.com/threads/maxpacketqueuesize.1317384/

[waxen quest]

We have to set these values before starting host or server correct?

[sharp axle]

I'm not sure. There is a Transport channel over on the Unity Netcode server. The devs respond there pretty regularly. The link is in the pinned message here.

[waxen quest]

Ohh okay I'll check it out

[teal cedar]

How to manually spawn player object? Any idea how to do it? (Netcode)

[sharp axle]

https://docs-multiplayer.unity3d.com/netcode/current/basics/networkobject/#creating-a-playerobject

[teal cedar]

So just this? GetComponent<NetworkObject>().SpawnAsPlayerObject(clientId); and that is all?

Btw, should I update my unity editor? I have netcode 1.2 and now it is already 1.6

[sharp axle]

You'll need to instantiate the prefab first to use getcomponent but yea. also NGO is on 1.7.1 now

[spring crane]

Keeping up with patches for whatever major releases you are using is probably a good idea in general.

[teal cedar]

Okay, but unity 2023 isn't LTS yet right?

[spring crane]

I believe 2023 LTS will be called Unity 6

[teal cedar]

🔥

[teal cedar]

Does the fee apply on it or will it be applied on unity 2024?

[sharp axle]

It will

[crude ridge]

Why does my host get this error when a client leaves?

ArgumentNullException: String reference not set to an instance of a String.
Parameter name: s
System.Text.Encoding.GetBytes (System.String s) (at <787acc3c9a4c471ba7d971300105af24>:0)
Unity.Netcode.CustomMessagingManager.UnregisterNamedMessageHandler (System.String name) (at ./Library/PackageCache/com.unity.netcode.gameobjects@1.7.1/Runtime/Messaging/CustomMessageManager.cs:218)
Unity.Netcode.Components.NetworkTransform.OnNetworkDespawn () (at ./Library/PackageCache/com.unity.netcode.gameobjects@1.7.1/Components/NetworkTransform.cs:2524)
Unity.Netcode.NetworkBehaviour.InternalOnNetworkDespawn () (at ./Library/PackageCache/com.unity.netcode.gameobjects@1.7.1/Runtime/Core/NetworkBehaviour.cs:529)
UnityEngine.Debug:LogException(Exception)
Unity.Netcode.NetworkBehaviour:InternalOnNetworkDespawn() (at ./Library/PackageCache/com.unity.netcode.gameobjects@1.7.1/Runtime/Core/NetworkBehaviour.cs:533)
Unity.Netcode.NetworkObject:InvokeBehaviourNetworkDespawn() (at ./Library/PackageCache/com.unity.netcode.gameobjects@1.7.1/Runtime/Core/NetworkObject.cs:1248)
Unity.Netcode.NetworkSpawnManager:OnDespawnObject(NetworkObject, Boolean) (at

[long yew]

How to play sounds to all clients? As for now I just play sounds locally and playing sounds using Rpc is one of the methods that I came up and actally working but is it a good practice?

[abstract copper]

If you send the RPC unreliably, then yes that is a very typical way to do it

(assuming the sounds don't matter too much and are sent quite often, unreliable RPC is the way to go)

but as with everything in programming, it really depends

[long yew]

Unreliable rpc. Whats the diffrence

I know how to code it and how code works

But I dont know how Reliability works

"This means they're guaranteed to be received and executed on the remote side" that doesnt explain to much

[abstract copper]

you should probably do some research on it, unreliable RPCs are significantly cheaper to send, but the tradeoff is that they don't always arrive

if the packet gets dropped, it will not attempt a resend

reliable RPCs will ensure that they arrive at some point, even if they get dropped

it will resend it

[long yew]

So that means sometimes with poor connection it may happen that I wont hear another player shooting for example?

[abstract copper]

yes

[long yew]

Ok thanks

[modest mantle]

How to create server browser for Game Server Hosting?

[normal bluff]

Is there a plugin or script I can use to expose all the values of every network variable that I’ve set?

I’m a visual person and I’d like to actually SEE the values in editor

[neat veldt]

Since theyre not serializable you cant expose them in the editor easily

The only easy solution is probably to just make a serialized field and copy the value of the network variable into the field in Update

[sharp axle]

You can set the Inspector to Debug mode

[normal bluff]

I’m shocked there’s no plugin made that does this already. Hm.

[normal bluff]

How do I do that?

[sharp axle]

I believe its in the 3dot menu in the top right of the inspector window

[earnest hinge]

I have a SpaceshipMovement script that I would like to be able to be controlled by different players, meaning that based on something like a 'currentPilotId' variable or through other means, the script could perform its functionality on the spaceship rigidbody based on keyboard inputs from a chosen client or host. How would you go about making something like this?

[sharp axle]

What networking package are you using?

[earnest hinge]

@sharp axle NGO

[sharp axle]

You can use either SpawnAsPlayerObject() or SpawnWithOwnership() then you movement script can just check if(IsOwner)

[earnest hinge]

What's the difference and do you recommend a specific one?

[sharp axle]

The first one makes the object a Player Object. The second just gives the client ownership of it. If the client can control more than one ship then use the second one.

[earnest hinge]

Could I just change ownership of movement script throughout the game? @sharp axle e.g. when new player is piloting

[sharp axle]

sure

[earnest hinge]

Ok thanks a lot for the advice, with being new to multiplayer this is very helpful

[frail arrow]

I keep getting The name 'isOwner' does not exist in the current context

https://gdl.space/afowelewos.cs

I have 0 idea what I am doing wrong. I have tried using localplayer instead but I got the same result

[abstract copper]

looking at the docs.. isn't it a property ? IsOwner

isOwner and IsOwner are very different things

[frail arrow]

You are so right I feel extremely stupid 😭

[cedar belfry]

Right after pulling my project with free download PlasticSCM, my NetworkManager looks like this. I need to run the scene, stop the scene, run cm update with PlasticSCM, change scenes in the editor, and go back to the original scene, then it gets populated

[nocturne vapor]

that is odd, can you replicate this?
I personally use git and never had a problem, it even works cross platform, cloned it on a linux machine and it just works, so it is strange that you have to jump through these hoops

if you can replicate this, I would recommend opening up a support ticket, as this isn't how it is supossed to go

[hushed wing]

Hey my unity project is working over public ip/port forwarding. Can i just upload it to itch.io as a webgl build now and that should connect to my server the same as .exe does?

Ive configured WSS and SSL

[nocturne vapor]

If you have configured it properly, yes
just try it out

[compact bison]

Hi, I’m hoping to share a gameobject transform (for example), with extremely low latency on a local network. I just tried in a project we have here using Mirror and there was quite noticeable lag. What is the way to achieve the lowest possible latency over LAN? 🙏

[teal cedar]

It looks like unity sample is more complicated than samyans YouTube tutorial. Is it true? https://github.com/Unity-Technologies/com.unity.services.samples.matchplay
https://m.youtube.com/watch?v=FjOZrSPL_-Y&pp=ygUWdW5pdHkgZGVkaWNhdGVkIHNlcnZlcg%3D%3D

[compact bison]

Thanks I’ll look into that. I made someone using default Unity stuff about ten years ago, and over wired lab it still had significant lag. Is there any differences between different services, Unity inbuilt, mirror, photon, fishnet etc?

[teal cedar]

No, that was question

[compact bison]

Ah right 😅

[tiny kraken]

How can I teleport all players to a position with NGO? I made it so that when a player touches something, all players are supposed to teleport to a specific location with a serverrpc that calls a clientrpc. This only calls a single player to teleport tho, but it doesnt seem to work every time? and sometimes the player colliding with the trigger teleports back and forth on the other player's screen, as if they are going to the new location and back immediately (it's P2P so one player is host)

[main swan]

Hi - I have developed a game and am testing it, and my co-developers have asked me to rent a server to test out some bugs. It is quite expensive, and I have a fast PC sitting around doing nothing, so I thought i would just set up that PC as the server and leave it on all the time. I've used SteamCMD to install my own app to the local machine and followed all the same instructions that an external hosting provider gives for setting up servers, but they all stop helping at the point where they say "now go download the CSGO server software". Obviously i'm not installing counterstrike and my game does not have its own self installing server software, so i have a vague idea that i must create my own server config file etc, but i cant find any documentation on how to do so

[icy flint]

Hey I have a quite complicated project going on.
We are currently building a PoC for a School Project, it involves a very basic FPS shooter with the whole multiplayer and backend being doing in Java and communication is done using gRPC (the assignment itself was around java and gRPC, and we wanted to make a game with it).

We already implemented the authentication and that worked great, currently this is what's happening:
User starts the game, the Login Scene is visible.
User Logs in and lands in the MainMenu Scene.
User Presses on the Play button and lands on the MP_Browser Scene, which is just a ServerList basically.

Now here comes the tricky part, when the user finds a server he likes and presses join a few things should happen:

1. The Code will send a ServerDetailsRequest to the specified server, this will return the Netty Port. The Netty Port is used for the websocket that's purpose it is to receive and send data bidirectionally (movement, shooting etc.)
2. it will send a JoinServerRequest to the specified server that has 2 different outcomes:
   Outcome 1. The Server responds with success=true and message=AOK - The User is not banned and Server has sufficient slots free for the User.
   Outcome 2. The Server responds with success=false and a message - This means something is preventing the user to join, this could be that the server is full or the user was banned from this particular server.

Now we have a couple of questions on how to proceed:

1. is Websocket the way to go? if so what data should be transmitted and how, and if not what are the recommended alternatives?

2. How should I handle the loading? should I keep the Player in the MP_Browser Scene and just show a canvas with some loading text? or should I do something else?

3. How do I actually do the Movement and stuff? The question is a bit difficult, but basically how would transmitting and receveiving movement updates work?
   This is what I thought how it might work:
   I join a lobby and start moving, on each move the Client sends a message to the Server saying "Hey I just moved to these coordinates".
   The Server then compares them to the previous coords to make sure he doesn't suddenly appear on the other side of the map.
   If everything appears to be fine, the Server broadcasts those coordinates to all connected players and that will cause the characters to move?
   We have a free Humanoid RPG Character from the asset store that has animations, how would we move the player from coordinate to coordinate without them just teleporting around?

4. what about bullets and hits? How would I transmit shooting and how would I check if the player actually got hit?

Thanks for reading and I hope someone might be able to help

PS: Feel free to @ at any point

[dark finch]

Many many differences yes

From performance to architecture to server availability to player counts, to latency, etc

[compact bison]

Thanks. I just want the lowest latency solution for up to 10 people in the same physical space in VR

[dark finch]

For a long time, most network service providers would also provide many variants. As a multoplayer server for an RTS vs FPS etc has a lot of difference in requirements

[compact bison]

The server as authoritative source of truth, clients syncing to that

Security/cheating etc. no issue

[dark finch]

Yup that's one way to do it

[compact bison]

But given that scenario, which networking stack/system would be a wise choice?

[dark finch]

Rather that's a pretty common structure with any of them

But in short, for VR games, we almost entirely use photon. I think it mostly comes down to preference and comfort and effort

It's the best documented, most battle tested and longest supported IMHO.

[tiny kraken]

Why do I get Exception: Teleporting on non-authoritative side is not allowed!? I am running ClientNetworkTransform.Teleport() in a ServerRpc method, is that not authoritative?

[urban hawk]

Hi, I've got a question

public void DrawCardsServerRpc(ulong clientId, int numberOfCards)
{
    [... code]
            zoneManager.MoveCardServerRpc(cardId, ZoneType.Deck, ZoneType.Hand, clientId);
        
    }
}```

This serverrpc calls a serverrpc on another object (because the movecard function is a serverrpc clients can call directly so I just made it use the same method). 

I've heard a serverrpc can only be called by the client, but it seems to work fine here, it does that it's supposed to. Should I be worried about having it set up like this?

[sharp axle]

This will only work on the host. Only a client can call ServerRPCs

[sharp axle]

The server does not have authority over Client Network Transform

[urban hawk]

Ah yeah that makes sense, it do be a host.

What's the best way to go around this issue? Should I just have a MoveCard method in zoneManager that's not a serverrpc on top of MoveCardServerRpc

[sharp axle]

Yea. Unless you have reason for clients to initiate a card move on their own. It should probably only be handled by the server

[urban hawk]

Alright yeah makes sense thank you!

[tiny kraken]

How can I teleport both the players at once then? I also tried making a serverrpc inside the players’ own script that calls a clientrpc to teleport themselves but it doesnt call both, only for the person who touches the trigger

[sharp axle]

The server will have to loop through all the clients and then call a clientRPC on each player to teleport.

[tiny kraken]

So the serverrpc calls a getcomponent on the players for a script that has a clientrpc that calls ClientNetworkTransform.Teleport()? But I thought documentation said that serverrpc calls all clients at the same time by default 😭

I’ll try that tho thank you 🙏

[sharp axle]

RPCs are tied to their gameobject. So each copy of that object on every client will get the clientRPC call.

[tiny kraken]

So it’s more a way to sync the data? Every loop it moves a player and tells the other players that it moved? (And in that sense it runs for all clients)

[sharp axle]

Depending on what you code the RPCs to do yea. The network transforms use network variables under the hood

[tiny kraken]

Ahhhhhh I see, thank you so much oml ive been so confused but I guess I had the wrong idea in the first place

[icy flint]

Hey, really sorry to bump this but I need some help from people with more knowledge

[hushed wing]

Anyone pro at webgl setup? I just need to get it uploaded somewhere for free to test. I have a dedicated server that works flawlessless with .exe on different wans

[frigid bloom]

hey everyone. i'm making a multiplayer fps, following the tutorial by "bananadev2". im just here to see if anyone would be kind enough to walk me through how i can set it up that when a room is created or joined, it puts you in another scene

im open to a vc call so i can screen share and i can learn as im newer to the photon stuff

[nocturne vapor]

var status = NetworkManager.Singleton.SceneManager.LoadScene("SampleScene", LoadSceneMode.Single);
     
if (status != SceneEventProgressStatus.Started) {
  Debug.LogWarning($"Failed to load SampleScene " + $"with a {nameof(SceneEventProgressStatus)}: {status}");
}

that should work

this obviously need to be included:
using UnityEngine.SceneManagement;

[icy flint]

Hey quick question,
what's the best way to transmit movement to the gameserver and then to all the other players and how do I trigger walking animations when the player receives a movement update for other players

sounds very confusing xD
so I want to update all other players when Player A moves.
Whats the best way to tell the Gameserver that Player A moved, and how do I tell Players B-E "Hey Player A just moved, from xyz to xyz" and then trigger the walking animation fro Player A

[nocturne vapor]

if you just want to sync the animations use the network animator
if you want that information as well network vars and network transforms are a good way if doing that
you should use some kind of network transform anyway for playermovement

[icy flint]

does that also work when I have a custom networking system?

[sharp axle]

Your custom networking system should have its own equivalent of Network Transform

[tiny kraken]

sorry that im back but it still doesnt seem to work for me, am I still dumb? Currently it kind of works but it always only sends over the client, not the client+host player.
Here is the basis of what im doing:

This

    [ServerRpc(RequireOwnership = false)]
    public void PlayerDeathServerRpc()
        foreach (GameObject player in players)
        {
            SCR_First_Person_Controller cntr = player.GetComponent<SCR_First_Person_Controller>();
            cntr.PlayerDeathClientRpc();
        }

And here is the other one

    [ClientRpc()]
    public void PlayerDeathClientRpc() 
    {
        if (!IsOwner)
            return;

        ClientNetworkTransform cnt = GetComponent<ClientNetworkTransform>();
        cnt.Interpolate = false;
        cnt.Teleport(new Vector3(0, 1, 0), Quaternion.identity, transform.localScale);
        cnt.Interpolate = true;
    }

again apologies if it's too much of a bother but I just dont get it

[icy flint]

Synching Movement / Anims

[patent iris]

Hi all, so I am dealing with an issue of "jitter" for clients. This is because I am allowing the client to move immediately on their end, and then when the server is done processing it's moving the client again.

Basically client moves say two steps, but because of latency the serer will move the client back one step once it sends positon to client.

How else can I get the player objects to move on the server and be visible to clients, because cleary this isn't the right approach

[surreal jungle]

does anyone have a recommendation for a good free or cheap example or package for a first person character controller using Netcode for GameObjects? The starter asset works okay but I'm looking for some examples of adding in animations from a first person perspective with a networked controller

[south palm]

I'm getting this error when I upload the newest build to my website
RangeError: maximum call stack size exceeded
at invoke_ii (http:mywebsite.com/Build
web_build.framework.js.gz:3:371759)
at wasm://wasm/04d1fa46:wasm-function[5506]:0x18a4dc
any idea what's happening here or how to fix it?

the build works fine connecting to the server from the editor

but as soon as I upload it to the website and open it in chrome it throws this during loading

[sharp axle]

You keep a list of states and time stamps. When the server sends an update you compare with your list and then resimulate if necessary.

[patent iris]

But I’m confused how to actually show the movement across clients? When I remove that portion of code I showed, clients do not see any other objects but themself moving

[sharp axle]

Lerping to the latest position should work

[patent iris]

Setting transform.position via a ClientRPC called by server is doing two things for me :

1. Allowing all clients to see other clients and host movements (good)
2. Causing jitter, since the client moves locally and then is reupdated by the server RPC.

How do I get rid of 2 without getting rid of 1 also? Right now if I remove tranform.position setting via ClientRPC called by server, it no longer does 1 or 2, so clients aren't seeing anything on their end

[patent iris]

Nvm, I figured it out. I just needed to add if(IsOwner) return

[normal bluff]

How do i check if im already in a lobby? I've been trying to use ``await LobbyService.Instance.GetJoinedLobbiesAsync();

[frigid bloom]

i want to add a map selection feature as well. whats the best way to go about it? im new to photon and stuff so im learning how to do things best.

[nocturne vapor]

I haven't used photon, but you would just have a selection screen which defines the string of the scene yoz want to load
as for how to load it, you have to look into the docs of pjoton, that example was for unity ngo

[frigid bloom]

i guess a better question would be, if i have the map select and i have the connected users connect to the room and then get switched to the scene, would that work?

okay

[nocturne vapor]

in ngo it works at least, that is my whole scene switching code

[frigid bloom]

may i dm you so i can work this out? ive never actually done multiplayer this in depth, so a helping hand into it would be great since photon's docs are pretty useless

[nocturne vapor]

sure, could take a while till I can respond in depth tho, I'm on my way to uni

[frigid bloom]

no worries. i may scrap what i have and restart so its easier to work with

im making a multiplayer fps. would you have any tips on the best way to go about it?

[nocturne vapor]

prototype, get your stuff running and failing as fast as possible, with as much as possbile done.
you have later time for refinement.
This is iterative engineering and a technique I use for various things like video scripts, writing code, game features, solving any complicated problem, ...

if you mean the network side tho:
get it running with client authority and if that works start working on server authority you want to use client side prediction for that, idk if photon includes that per default ngo does not

[frigid bloom]

sick. i appreciate it

[tiny kraken]

can someone tell me, in a dumbed down version, the steps to teleport all players in a p2p server with NGO? i tried a serverrpc that loops through all players and calls a clientrpc in them but i cant seem to get it right...

[nocturne vapor]

is your movement/position server or client authoritive?
Dumbed down: is your client even allowed to move on its own?

if not do everything in the server rpc not the client rpc

[tulip thorn]

Are there any developers using Vivox?

How would you do it?

Hello 🙂

All players join a Normal 3D channel
All players join a 2D channel

Then the players join the map, I switch transmissionMode to single on the 3D channel

Players can talk in a walky talky,
I then switch transmissionMode between single on 3D Normal and All so that it speaks on 3D Normal and 2D Talky

Players can enter a dead state while remaining on the map
When they are dead they can talk to each other and hear the living but no longer communicate with the living.
They can hear the living regardless of the position (so 2D channel) but if the living players are on single 3D Normal it doesn't work
So all players would have to be on a common channel at the same time.
Let living players have the volume of this channel set to 0 (inactive)
And for the dead players to set the volume of this channel to 1 (active)

So switching Transmission mode to single or all does not work, since if the players are on single they will not transmit on the common channel
In my opinion it would be necessary to be able to play with the volume of a channel or the volume of a player in a channel but the mute unmute systems are general to all channels
Is this possible?

[crude hamlet]

Ooo thank you, currently looking into this. Are there any tutorials besides documentation that you would recommend out there?

[tulip thorn]

Sorry it's not really a recommendation it's more the logic that I suppose but I don't know how to do it
add players in a 3d and 2d channel and communicate either in 3d or 2d in the talky (without effects) it's good
But I don't understand the logic so that once dead I can hear all the players but only communicate with those who are dead.

[sharp axle]

I would assume just switching channels should work. But I haven't used Vivox for much besides just testing it out

[tulip thorn]

I try to schematize

Player 1
2d talky channel
positional channel
Player 2
2d talky channel
positional channel
Player 3
2d talky channel
positional channel

in game

Player 3 speak talky (transmit audio to all)
(Player 3 speak on talky 2d and positional 3d)
Player 1 & 2 hear player 3 non positionnal
Next
Player 2 is dead
player 2 speak dead 2d channel
how player 2 can hear player 1 & 3 2d channel if player 1 & 3 speak since 3d channel?
Player 2 can only hear player 1 & 3 if player 1 & 3 speak in talky?

but I would like to know if it is possible for player 2 to hear player 1 and 3 even if they do not speak on the talky
Maybe with audio tap but I haven't quite figured out how to use them yet.

[chrome thicket]

I am searching for any people that might interested in making an MMORPG with a custom multiplayer solution DM me if you want.

[long yew]

[ClientRpc]
void DestroyClientRpc()
{
    transform.SetParent(myParent);
    Destroy(gameObject.GetComponent<NetworkRigidbody>());
    Destroy(gameObject.GetComponent<NetworkTransform>());
    transform.localPosition = Vector3.zero;
    transform.localRotation = Quaternion.identity;
    gameObject.SetActive(false);
}

I have this simple script

I have to destroy NetworkTransform

And on host it works perfectly fine but on the client it doesnt because it says thath NetworkRigidibody require NetworkTransform

And that means that there is a delay for destroying component and I wonder does the do while is a good fix?

I mean should I use do while in rpc

[fervent crescent]

Hey Together i'm using Netcode für GameObjects and can't Find anything helpful about the following Error. I'm getting it after using the Update() to move something the whole time. Can someone Tell me more?

[Netcode] Deferred messages were received for a trigger of type OnSpawn with key 120, but that trigger was not received within within 1 second(s).

[radiant harness]

How viable would a networking system like this work?

Assuming the "inputs" are just strings of keyboard stuff

[radiant harness]

What I want is basically, the host client runs the vehicles, npcs, etc, while it shares inputs of itself to other clients, and those in between

Kinda peer-to-peer

Well, I think I just reinvented the wheel-

Well, more like "rediscovered" the wheel

[nocturne vapor]

so you want the input of a client to be processed by the host instead of the client?
that would be terrible, due to latency except it is a lan party game where you have pings of 1ms

Or havs I misunderstood what you want to achieve

[sharp axle]

Update happens before network objects have been spawned. You'll need to wait until after OnNetworkSpawn() before sending messages

[sharp axle]

This is server authoritative. Perfectly viable and absolutely necessary for competitive games. But you will need to deal with the input lag somehow. Usually it's done by some kind of client prediction system.

[normal bluff]

I am getting this error:

Unity.Netcode.NotListeningException: NetworkManager is not listening, start a server or host before spawning objects

From this code:

    {
        if(!changes.LobbyDeleted)
            changes.ApplyToLobby(newLobby);

        if( newLobby.Players.Count > 1 )
        {
            StartRoomClientRPC();

            foreach (Player j in newLobby.Players)
            {
                GameObject listInfo = Instantiate(playerListInfo, playerList.transform);
                listInfo.GetComponentInChildren<TMP_Text>().text = j.Data["PlayerName"].Value;
                listInfo.GetComponent<NetworkObject>().Spawn();
            };
        }
    }```

Any idea whats going on? This code runs after I have already joined a lobby

@stiff charm

[fervent crescent]

Thank you for your answer!

I think it's due to a circling ball that I added around the player. This message only appears on the host. I suspect it's trying to damage the opponent before they spawn. Since you instantiate first and then spawn.

I'm currently trying to work around this with the 2nd if, but it's not working. Do you have any idea what could be used? I'm very sure it's because of the damaging part, without the code, the error message doesn't come (which surprises me, since the other weapon in my Game works similarly)

I think it has something to do with this if not blocking it: if (enemy == null || !enemy.NetworkObject.IsSpawned) return;

private void OnTriggerEnter2D(Collider2D collision)
{
if (!IsOwner) return;
if (collision.TryGetComponent(out Enemy enemy))
{
if (enemy == null || !enemy.NetworkObject.IsSpawned) return;

PlayerStats playerStats = Player.Instance.GetComponent<PlayerStats>();
float damage = calculateDamage();
enemy.TakeDamageServerRpc(Convert.ToInt32(damage));

}
}

[sharp axle]

You'll need to startHost() before the 2nd player joins the lobby. You'll also need to make sure that this code is only running on the host

[sharp axle]

The timing of spawns get weird for the host. I'm assuming this code is on the Player. You might need to disable the triggers until after everything has spawned

[fervent crescent]

Exactly, the code is in the "WeaponManager", which is a sub-object of the player. The problem is that "waves" spawn all the time. In other words, I can't actually disable it because there are enemies running around all the time.

[hushed wing]

Hey guys, what SSL format does unity support. if its PFX then how the heck do iconvert my .pem and .key into a valid format?

[tough thorn]

anyone know what this eror is?
TlsException: Failed to read data to TLS context - error code: UNITYTLS_INVALID_ARGUMENT
got it on my server side when trying to call ReadAsync from an sslstream

[fervent crescent]

I'm still having the following Error and no idea how to fix this, tryd for hours now. It only happens when i try to despawn enemys after they get 0 Healthpoints.

Error: [Netcode] Deferred messages were received for a trigger of type OnSpawn with key 120, but that trigger was not received within within 1 second(s).

No Error if i don't do this: this.NetworkObject.Despawn(true);

[sharp axle]

Sounds like you may be destroying the object before Despawn gets called

[fervent crescent]

But i don't destroy it, i only despawn it

[tiny kraken]

sorry i was unavailable the rest of yesterday but yes the movement is client authorative
update: ok ell the flickering is now gone, i found that the charactercontroller component overrode the positional changes back to their origin, now the problem just persists that only one player is being teleported (the host)
update 2: i fixed it, finally

[twin basalt]

In Unity Netcode, I am able to set the NetworkVariable HostID when I am the host.
However, it seems that I cannot set the NetworkVariable ClientID when I am the client.
Essentially, I want to set a string (ClientID) for the host from the client side.
Can someone provide guidance or help me with this?

[nocturne vapor]

by default network vars can only be written to by the server

call a serverrpc, with the clientid as an arg and that it that way

[sharp axle]

You can set the write permissions of the net var to Owner

[patent iris]

Hi, I am running into an issue where positions appear different on server / clients. Two different clients on left, and server on the right. What could cause positions to look different ?

I haven't implemented Server Reconciliation yet, could that possibly be why? Perhaps they aren't in line with the server?

[gray pond]

MIRROR 86.13.4 IS LIVE ON THE ASSET STORE
Download: https://assetstore.unity.com/packages/tools/network/mirror-129321
ChangeLog: https://mirror-networking.gitbook.io/docs/general/changelog

[wanton scroll]

What would be the proper way to synch a VR avatar using Netcode for gameObject and keeping it server authoritative?

[sharp axle]

Keep the avatar separate from the XR rig. The local rig will need to send it's positions to the server. The player avatar needs to follow the rig positions. You'll need to create some kind of client prediction system in order to deal with the latency.

[wanton scroll]

Well having the local rig sending it's positions to the server means it's no longer authoritative. I already made a test with a Client Network Transform and it works.

[sharp axle]

The server has to get the positions somehow

[wanton scroll]

well yes, the more I think about it the more it seems that a VR multiplayer game can not be server authorative

[sharp axle]

Even with server authority the clients still have to send it's inputs. It's just that for VR those inputs are positions

[cunning quail]

What are the major differences between photon and fishnet? I'm thinking about getting into multiplayer and I see a lot of talk about these two, what would you recomend? (For now Im just planning a simple create/join lobby game, but it would be cool if the tool would let me scale the project in the future, like dedicated servers or smt)

[glad marlin]

hey, so i have a problem that i think is easy to solve but i cant seem to find a solution for it. i have scrolled for about 3 hours now and still cant find it. the problem that i am having is that i have 2 players join a room and loading the scene. everything goes perfect there. now i have 2 players in the same scene and the master client can see the 2nd player, however the 2nd player cant see the master player because the master client has been instantiated before he joined. maby somebody here can help me? i already asked in the photon server but dont get a response there so i thought maby somebody here knows something about photon.

[spring crane]

PUN should instantiate all networked objects to every client. Make sure you are using PUN to instantiate objects.

[orchid fractal]

How do I get to this page???

[austere harness]

Question about Network Manager and Unity Transport - when started as a host, what ip:port does the program listen to for connection requests from clients?

When Allow Remote Connections is enabled

I'm trying to implement a Network Discovery system where the host device gets all clients awaiting a connection, then on user input orders one of the clients to connect to it. My problem is, I can't figure out how to make the client connect to a specific host.

[austere harness]

I found this, but I don't really understand the difference between the remote adress and listenAddress, does setting the listenAddress matter when connecting remote?

[austere harness]

Figured it out, nvm. Turns out i just needed to use the ip of the host with the port of the Unity Transport

[tepid bane]

What is the best solution right now for multiplayer where one player is host and up to 8 players join? And if using DOTS I assume the only choice is Netcode for entities?

[sharp axle]

Any of the current solutions will work fine for that. Even using Dots, you are not stuck using N4E. But there is no reason not to. Built in client prediction system is no joke.

[rich basalt]

Does anybody have a good tutorial to start with netcode and relay from zero. I can only find some where they use a template and integrate stuff in there but I want to umderstand it from zero that i can implement it in my game

[sharp axle]

https://docs-multiplayer.unity3d.com/netcode/current/tutorials/get-started-ngo/
https://docs.unity.com/ugs/en-us/manual/relay/manual/relay-and-ngo

[mint anvil]

in unity lobbies, how do i check if i got kicked?
i kick them with LobbyService.Instance.RemovePlayerAsync(joinedLobby.Id, playerToKick.Id);
but how do i for example run a function on them to leave the lobby screen

[dense eagle]

i have some question, am i able to make LAN lobbies and LAN multiplayer with unity Netcode and Unity Services

[sharp axle]

You can use Lobby Events
https://docs.unity.com/ugs/en-us/manual/lobby/manual/lobby-events#KickedFromLobby

[sharp axle]

You can use them on a Lan but Unity Services require Internet access. You can use Network Discovery if you need something offline
https://github.com/Unity-Technologies/multiplayer-community-contributions/tree/main/com.community.netcode.extensions/Runtime/NetworkDiscovery

[dense eagle]

thank you

[dense eagle]

i spend almost 2 hours on figuring this out...
i made jump button to canvas, but how to make it work? i added jump method in player controller script, but.. how to make jump button trigger this method? i make player controller get joystick whit FindAnyObjectByType and it works, but, what to do with button? i dont think that storing cavas inside of player is good idea...

[mint anvil]

Ah thx

Btw, i use unity lobbies, can i on top of that add steam? So i can join someone through steam?

[sharp axle]

You can use steamworks. You can probably send the lobby join code through steam. I don't use it so I can't really help

[sharp axle]

No the canvas should not be networked. But you can have the button call a function that calls a serverRPC on the player controller

[dense eagle]

wait.. THANK YOU SO MUCH!! i forgot about it...

[crude hamlet]

Sorry if this has been answered before, but I can't seem to find it here or a definitive answer through googling it..
I have a server/client game. However, if the person who is the server (creator of the session), leaves the game, everyone's networking just stops. Is it possible to pass the server-ship to the next available client connected, or do I HAVE to host a server version on unity cloud if I want to avoid this.

[dense eagle]

uhh, can u say how... please...

[sharp axle]

When the relay host leaves the network connection is dropped. No real way around that. You can use Lobbies to hold the remaining players together then create a new relay with the new lobby host. It will be a new game so you will have to deal with saving game state somehow

[crude hamlet]

Oh I see. So would you suggest it be easier to just use Cloud Multiplayer to host server on there?

[sharp axle]

It's more expensive that way but will prevent the game from dropping

[crude hamlet]

sorry what do you mean expensive? As in I have to pay for the services?

[sharp axle]

Server Hosting is not free.

[crude hamlet]

no, but there is a monthly free amount they allow, no? all cloud services do?

[teal cedar]

Yes, simply if your game is going to be popular then you have to pay

[crude hamlet]

gotcha. got me worried there for a second 💀 😭

[mint anvil]

did anyone here make their own host migration for unity networking/relay?

[teal cedar]

How am I supposed to create dedicated servers?

Too hard 😭😞

[sharp axle]

Not for dedicated servers. They only give you a one time $800 credit

[teal cedar]

Hello, I'm completely lost. How should the server handle multiple game modes? Unity multiplay and matchmaker

[sharp axle]

The matchmaking payload can contain map and game mode data. So the server can load up what it needs when the game starts

[dense eagle]

one more day... same problem...
i cant find any tutorial that teaches how to make mobile multiplayer game...
i made one, and it work good on pc, and i added jump button to canvas, all players are prefab, and its bad idea to put canvas into prefab cuz of multiple canvas and it will look weird, and, how to make jump button trigger function in player script?

[teal cedar]

Is it this? ```var players = new List<Player>
{
new Player("Player1", new Dictionary<string, object>())
};

// Set options for matchmaking
var options = new CreateTicketOptions(
"Default", // The name of the queue defined in the previous step,
new Dictionary<string, object>());

// Create ticket
var ticketResponse = await MatchmakerService.Instance.CreateTicketAsync(players, options);

// Print the created ticket id
Debug.Log(ticketResponse.Id);```

Those options

[nocturne vapor]

you can just disable the canvad by default and only enable it for the local client

or just have the ui spereate from the player

[dense eagle]

okay ill try, thx

[dense eagle]

why im getting this error?

im getting it when i drag joystick on host

i fixed

no i didnt, it happen when there is more than 1 player

[dense eagle]

i fixed

also, why speed on client is different?

[vague grove]

I heard that unity netcode for game objects (so unity multiplayer) was small scale, so that you couldt make a battle royale with 100 players, only a real game with 1-4 players, is that still the case?

[fallow zenith]

I'd expect most multiplayer systems to struggle with 100-player games

I'd suggest looking for benchmarks.

[sharp axle]

Yes. For large scale games you would need to use Netcode for Entities

[west sequoia]

Guys do you know how can i start a client with an URI instead of an ip and a port on Netcode for GameObjects 1.6.0?
on Mirror i would do this

Because i need to connect to a proxy server for securing connection, otherwise it will throw this error: The page at 'https://test.....io/' was loaded over HTTPS, but attempted to connect to the insecure WebSocket endpoint 'ws://34.....90:9000/'. This request has been blocked; this endpoint must be available over WSS.

But on Netcode for gameobjects SetConnectionData only accept ip address and port or a NetworkEndPoint

I'm on WebGL

[west sequoia]

Or do you guys know an alternative to use a server proxy?

[gentle drift]

Heyo, I have a multiplayer game using Relay and Lobby services, I only have player hosted servers. The game works but after a little while the host timeouts and I get this error: [Lobby]: NetworkError, (16998). Message: Request timeout does anyone know how to troubleshoot this?

[nocturne vapor]

couldn't you just dns resolve that url to an ip?

[west sequoia]

i was trying to do it but it gaves me this error:

[west sequoia]

how can i do it?

[nocturne vapor]

that is because it expects http(s) not ws(s) like the error says. What I would try, since for this response it does not have to communicate with the protocol, is just changing that to https or even leaving the protocol out entirely

I have to admit I never tried to do this in c# tho

[west sequoia]

ok i'll try

@nocturne vapor this is my transport settings, i tries to use http(s) o remove it entirely but it gaves me the same error

[nocturne vapor]

idk then honestly, currently I'm working mostly on other stuff not networking related
I also never worked with websockets, these were just ideas that immediatly came to my mind about this

[west sequoia]

well i think i will continue to work with mirror then and see where are the differences

@nocturne vapor Seems like Mirror is doing stuff with JS and the Uri it self

And this is the jslib function

    // fix for unity 2021 because unity bug in .jslib
    if (typeof Runtime === "undefined") {
        // if unity doesn't create Runtime, then make it here
        // dont ask why this works, just be happy that it does
        Runtime = {
            dynCall: dynCall
        }
    }

    const address = UTF8ToString(addressPtr);
    console.log("Connecting to " + address);
    // Create webSocket connection.
    webSocket = new WebSocket(address);
    webSocket.binaryType = 'arraybuffer';
    const index = SimpleWeb.AddNextSocket(webSocket);

    // Connection opened
    webSocket.addEventListener('open', function (event) {
        console.log("Connected to " + address);
        Runtime.dynCall('vi', openCallbackPtr, [index]);
    });
    webSocket.addEventListener('close', function (event) {
        console.log("Disconnected from " + address);
        Runtime.dynCall('vi', closeCallBackPtr, [index]);
    });

    // Listen for messages
    webSocket.addEventListener('message', function (event) {
        if (event.data instanceof ArrayBuffer) {
            // TODO dont alloc each time
            var array = new Uint8Array(event.data);
            var arrayLength = array.length;

            var bufferPtr = _malloc(arrayLength);
            var dataBuffer = new Uint8Array(HEAPU8.buffer, bufferPtr, arrayLength);
            dataBuffer.set(array);

            Runtime.dynCall('viii', messageCallbackPtr, [index, bufferPtr, arrayLength]);
            _free(bufferPtr);
        }
        else {
            console.error("message type not supported")
        }
    });

    webSocket.addEventListener('error', function (event) {
        console.error('Socket Error', event);

        Runtime.dynCall('vi', errorCallbackPtr, [index]);
    });

    return index;
}```

[nocturne vapor]

malloc, heap, Ptr?
it is wild to see that stuff used in a high level language, didn't even know js allowed memory allocation with malloc xD

[wet spindle]

Is there a way to have a Host have two active scenes but only see one at a time? The clients will also be able to jump back and forth between these scenes.

A simple way to put it would be, have two scenes, outside and inside.

Using Netcode For GameObjects

[vocal bane]

How can I spawn a player item as a prefab (that needs to be seen by other players) on the player under a gameobject inside the player that doesn't have a network object component.

Currently, I'm only able to set the parent of the players item to the player itself, with other objects needing a network object component to be a parent, yet I can't have nested network objects or I get errors.

[vocal bane]

Fix for this ^ https://forum.unity.com/threads/player-hierarchical-networkobjects.1207012/ its a limitation in unity, instantiated objects have to be parented to the root of the player so u can do it client side as a work around

[sage tundra]

is there anyone down to call? ye ik its weird but i really gotta figure out how camera works when spawning client.

im not sure. maybe the cinemachine gets overwritten by anotehr spawn or something

[nocturne vapor]

just have it disabled by default and only activated if IsLocalPlayer

or just have a camera for the scene

[sage tundra]

what does this mean

[merry wing]

Is there an equivalent to OnNetworkObjectParentChanged, for children? ie: NGO's (grand+?)child had NGO added/removed beneath it.
I can't seem to find anything - am I missing something? Or would my alternative just be to manually bubble-up from the NGO that was reparented? (If so, any way to get the previous-parent? Or also have to manually cache that?)

[rigid niche]

    private void PlayerTransform_ClientRpc(Vector3 pos)
    {
        try
        {
            Debug.Log("Im trying...");
            GameObject.FindGameObjectWithTag("NetworkPlayer").transform.position = pos;
        }
        catch (System.Exception e)
        {
            Debug.Log(e);
        }
    }```

Why doesn't this work?

It doesnt give of any errors. It just doesnt move a player

Im also getting the "Im trying..." in console

[mint anvil]

with unity lobbies, in the lobby every player has a faction and an icon for it, how would i update the icon for all players?

[rigid niche]

https://www.youtube.com/watch?v=-KDlEBfCBiU
At the end of this video you have him go over everything he offers in his template, that you can download. That's what I used as a base. I opened it in a second project and more or less copied and tried to understand what he was writing there. That includes changing profile pictures. What basically is what you want. You can take that as a guideline, if you want.

[rich basalt]

How does Scene Managment with the Network Manager work, I have everything set up in the Main Menu scene and now i want to switch scenes and then spawn the player prefab in there, but the Network manager keeps spawning it in the current scene. How can I spawn it in the Game Scene?

[sharp axle]

Are you using Additive Scene loading?

[rich basalt]

no idea what that is

ah ok I see yeah that could solve the problem, but then the prefab wouldnt be in the right scene

[sharp axle]

The automatic player prefab will spawn immediately when the client connects just before the scene changes. easiest thing would be to disable the player renderer until the game is actually ready to start

[rich basalt]

But again then the prefab wouldnt be in the right scene

Of course if it were all in one scene that would work flawlessly but its not

[sharp axle]

player prefabs will get automatically moved to the new scene. As long as you are using NetworkManager.SceneManager.LoadScene()

[rich basalt]

Oh that makes it easy

thank you

[mental pond]

Hey, anyone know what could be the reason of the jittering?

I'm Lerping the position by the elapsed delta since next position

var t = elapsedPosition / movementTick;
playerTwo.Position = lastPosition.Lerp(getNextPosition(), (float)t);

tick is 60 (60 times per second) and movementTick is 60/1000 which is 0.06

When I'm not moving it's clean, when I move along with player, player jittering.

[rich basalt]

It could be your camera... Do you transform it in LateUpdate()?

[mental pond]

Yes camera is in Late

[gray pond]

Mirror works fine with WebGL and Reverse Proxy - ping me in the Mirror Discord if you need help.

[west sequoia]

Thank you for the response, i have already switched to mirror and everything works with reverse proxy

I was only trying the netcode for gameobjects solutions just to play around

[gray pond]

The double entendre there.... 😄

[west sequoia]

They are very similar indeed

[mental pond]

Anyone can help with my problem higher can offer money for help dm me

[modern vessel]

I've tried using the photon transform view classic but it doesn't fix it

and yes, i have ticked rotation box for all of them

[west sequoia]

@mental pond Did you tried to make a build and see if the problem persists?

@mental pond Did you tried using slerp instead of lerp?

[mental pond]

Yes

[mental pond]

No

[mental pond]

You think it will help?

[haughty crane]

netcode or photon?

[mental pond]

my own networking

[oblique jolt]

hey, i set it all up and its working great (GITHUB)

how does it actually work with others? if for instance im doing a fps controller and adding a gameobject etc., and my friend is adding a game object with the ability to only jump
how would that work, would it even?
or u just gotta communicate EVERYTHING
and how do we share small updates with each other (for example im adding a door that works, he simultaniously adds sth else)

and do i have to constantly download small changes the other person has made and add them back into the fuqin folder?

this is horrible

[gleaming bloom]

transport ..

[stiff zinc]

Question on Netcode for Gameobjects:

Situation: Say that the server locally updates the state of the game on each network tick, then sends out rpc calls to all clients with the changes so that they can update their own local state. This entire state update/rpc invocation happens in the same frame (on the server).

Question: Will all these rpc calls be bundled into a message at the end of the frame and then send out? Or will it be sending every rpc separately? If separate, is there any issue here with performance, where I should instead combine into a few big rpcs? If big, don't I have to worry about payload size?

I've found a github post saying

NGO sends all pending out bound messages for any given frame as a single batched message.

But i'm not sure whether this also includes rpc calls or not.

source: https://github.com/Unity-Technologies/com.unity.multiplayer.docs/issues/1111

[haughty crane]

is unity lobby enough for a 2d turn game?

multiplayer? or i need something more complex

[austere yacht]

NGO has ticks. All messages are queued for the next tick and then bundled and sent together. These ticks are independent of rendered ‚frames‘ but could be called network or message ‚frames‘. RPCs are an abstraction on top of the lowlevel messaging API. Whatever is true for the low level messaging is also true for any abstraction on top.

[normal bluff]

What am I doing wrong that my RPC will not trigger on any clients?

    {
        if(!changes.LobbyDeleted)
        {
            changes.ApplyToLobby(newLobby);
        }
            
        if( newLobby.Players.Count > 1 && IsHost)
        {
            OpenLobbyClientRpc();
        }
    }

[ClientRpc]
    private void OpenLobbyClientRpc()
    {
        foreach (Player j in newLobby.Players)
        {
            GameObject listInfo = Instantiate(playerListInfo, playerList.transform);
            listInfo.GetComponentInChildren<TMP_Text>().text = j.Data["PlayerName"].Value;
            //listInfo.GetComponent<NetworkObject>().Spawn();
        };
    }```

[normal bluff]

If anyone can please assist. I would like to know what the proper way to do an RPC is. I followed the Unity documentation and it has yet to work once. I was using Photon before this and it was quite easy in comparison.

[normal bluff]

Please?

[sharp axle]

That is the correct way to call a clientRPC. You just have to make the server is listening for the lobby changes.

But also you don't really need a clientRPC there. Each client can also listen for the changes and instantiate their lobby ui

[normal bluff]

It’s definitely listening. The Debug logs all fire.

The RPC simply won’t work and I’m at a loss for why.

I can’t continue work unless I understand why. Is there a stipulation besides both players being in the same lobby that I am missing

Sorry I’m so lost. I’ve been trying to get the RPC to work for weeks now. It was so easy with photon

[normal bluff]

You are correct each client can listen for the changes except unity made a weird change in lobby 1.1.2 where the client that just joined cannot see their own changes.

I contacted them and they said they will revert it in 1.2 but it’s not out yet

[sharp axle]

The clientRPC can only be called by the server. And it has to be on an active and spawned network object.

If lobby events aren't working then I would go back polling the lobby.

[normal bluff]

https://forum.unity.com/threads/lobby-event-callbacks-such-as-onplayerjoined-not-working.1527838/#post-9547531

Here is thier response

[sharp axle]

The client should already know when it joins the lobby itself

[normal bluff]

When you say called by the server, does that mean the host cant do it if im doing peer to peer?

[sharp axle]

The host is the server

[normal bluff]

Does a lobby automatically have a host when its created? I cant fathom why this code is not being run by the host

[sharp axle]

It does. But you need to network manager StartHost() and client has to be connected with StartClient().

That not usually the case when working with lobbies

[normal bluff]

omg.....

So i have to actually start host?

Wow...

[sharp axle]

Yep thats how RPCs know where so send messages

[normal bluff]

wtf

I didnt see that in any of the documentation

Do you have an example code i can see?

[sharp axle]

Lobbies are a completely separate service from NGO

[normal bluff]

God... weeks of time Ive been trying to figure this out

[normal bluff]

Wait... what?!??

[sharp axle]

Unity Lobbies can be used with any network framework if you want

Do you need Lobby samples or RPC samples?

[normal bluff]

Im so sorry to ask this. I'm so confused so i am just going to ask in the absolute most basic, child-like means.

I thought once two players joined a lobby, they were now in a 'game' together. If thats not the case, can you explain in baby terms (or point me where) how i get the two players in the same place to start sending RPC's

[sharp axle]

No prob. But that is not the case at all. Lobby is not really meant to be sending messages

You will still need to connect using Unity Transport if you are using Netcode for GameObjects. You can use Unity Relay to connect peer to peer style or you can connect directly to the hosts IP address

With Relay you would save the relay join code into the Lobby Data then the clients can use that to join the game

[normal bluff]

I see. So the lobby stores the data but relay is what connects them.

Thank you VERY VERY much. This was definitely the part ive been missing. I appreciate it so much.

Have a wonderful rest of your day/holiday

[normal bluff]

Is there a sample of this do you know?

[sharp axle]

There is Game Lobby Sample in the docs. But honestly its way overengineered.
https://docs.unity.com/ugs/en-us/manual/lobby/manual/game-lobby-sample

I'll dig up the script I use in a minute

[sharp axle]

This is some older code but it should still get the idea across
https://github.com/evilotaku/MythOSv2/blob/main/Assets/_Scripts/Network/NetworkConnectionManager.cs

[normal bluff]

Thank you so much for taking the time to figure out where I was stuck. And thank you for finding this code. I will look at it now

[stiff zinc]

Thank you!

[sharp axle]

Lobby is not meant to be used like that. If you don't need a real time connection to the other players then you can use cloud code
https://github.com/Unity-Technologies/com.unity.services.samples.multiplayer-chess-cloud-code/tree/main

[tawdry night]

does some1 have a idea how i can make a seprate inventory for every player i am using netcode

[earnest hinge]

How do I change a client's position in a server RPC on another object? I'm using NGO and the player has a ClientNetworkTransform attached to it

[tawdry night]

Can u explain a little more

[sharp axle]

That depends on how you are doing items. each player can have a List of Item IDs or it can be a struct of Items and quantities if things stack

[earnest hinge]

I have a server RPC on a "spaceship" object where I want to change the player's position based off a playerSpawnPos variable. Preferably I would like to change the player's local position but for now I'm trying to change transform.position instead

[ServerRpc(RequireOwnership = false)] public void AddPlayerServerRpc(NetworkObjectReference playerReference) { var playerObject = (GameObject)playerReference; var player = playerObject.transform; player.parent = playerGroup; player.GetComponent<ClientNetworkTransform>().position = playerSpawnPos; }

[haughty crane]

ty

[sharp axle]

Only the owner can change the client network transform position. So you would need to use a c!ientRpc from the server

[haughty crane]

but its using using Unity.Services.Lobby.Model, isn't the same thing?

almost

[sharp axle]

the thing is that only the host can modify Lobby data. Players can only modify their own Lobby Player Data.
Not to mention there are bandwidth limits on the Lobby service. 10GB/mo in the free tier

[haughty crane]

so the chess one its free?

does it have like a video tutorial?

https://www.youtube.com/watch?v=-KDlEBfCBiU&list=PLzDRvYVwl53sSmEcIgZyDzrc0Smpq_9fN&index=3&ab_channel=CodeMonkey i think this is what i was looking for

lobby and ugs?

[sharp axle]

Almost all of the game services have a free tier. Cloud Code and Cloud Save have something like 1 Mil read/writes per month
https://unity.com/solutions/gaming-services/pricing

[haughty crane]

do you know any tutorial for them?

[toxic spade]

 [ServerRpc]
private void DestroyServerRpc(GameObject gameobject, float time)
{
    Destroy(gameobject, time);
}```  i get this error 
Don't know how to serialize UnityEngine.GameObject. RPC parameter types must either implement INetworkSerializeByMemcpy or INetworkSerializable. If this type is external and you are sure its memory layout makes it serializable by memcpy, you can replace UnityEngine.GameObject with ForceNetworkSerializeByMemcpy`1<UnityEngine.GameObject>, or you can create extension methods for FastBufferReader.ReadValueSafe(this FastBufferReader, out UnityEngine.GameObject) and FastBufferWriter.WriteValueSafe(this FastBufferWriter, in UnityEngine.GameObject) to define serialization for this type.

[sharp axle]

They are pretty straightforward. The docs page is really good. But I'm pretty sure code monkey has done vids on them too
https://docs.unity.com/ugs/en-us/manual/cloud-code/manual

[sharp axle]

You can not serialize a gameobject. If it's a spawned network object then you can use NetworkObjectReference
https://docs-multiplayer.unity3d.com/netcode/current/advanced-topics/serialization/networkobject-serialization/

[toxic spade]

thanks

why cant i get the animator and rb and why does the rb on the client get set to kinematic

public override void OnNetworkSpawn()
{
    if (!IsOwner) return;
    SpawnServerRpc();


    rb = GetComponent<Rigidbody2D>();
    animator = transform.GetChild(0).GetComponent<Animator>();
    weapon = 0;
    
}

[ServerRpc]
private void SpawnServerRpc()
{
    var ch = Instantiate(character.Prf, transform);
    
    ch.GetComponent<NetworkObject>().Spawn(true);
    ch.transform.parent = transform;
    

}```

[haughty crane]

TY

[sharp axle]

Network Rigidbody will automatically set isKinematic for network objects. The clients will get set to kinematic. If you are using Client Network Transform then the non owners will get set to kinematic
You should still be able to get the Animator and Rigidbody though. no idea whats up with that

[tawdry night]

i am making the inv using ids and array i did make the player inv working with array but not ui because the player is a prefab

[sour fiber]

Hello, I have a code block as follows.
Everything is working correctly but "ConnectionApprovalCallback" is never called, what could be the reason?

NetworkManager.OnClientConnectedCallback += OnClientConnectedCallback;
NetworkManager.OnClientDisconnectCallback += OnClientDisconnectCallback;
NetworkManager.OnServerStarted += OnServerStarted;
NetworkManager.ConnectionApprovalCallback += ApprovalCheck;
NetworkManager.OnTransportFailure += OnTransportFailure;
NetworkManager.OnServerStopped += OnServerStopped;

[merry wing]

Just a shot in the dark, but check if it's "explicitly enabled"? There's a warning that gets logged, but could be missed if you have a lot of messages. - ~"A ConnectionApproval callback is defined but ConnectionApproval is disabled. In order to use ConnectionApproval it has to be explicitly enabled"
[Still relatively new to netcode, myself; hence, shot in the dark. Heh.]

[merry wing]

[Edit: Resolved]
Having a curious issue, myself. I'm not sure if I'm doing something wrong~~, or if I found a "feature" or a "bug". (?)~~

Create a prefab NGO with NetworkTransform using "In Local Space".
A.1) Start a Host.
A.2) Spawn prefab "Root", "Child" and "Grandchild"
A.3) Parent accordingly.
A.4) Translate each so they're in any unique position.
B.1) Start a Client, connected to the Host.

Note: It is important that the Host dynamically spawns the NGO's during runtime (ie: not scene objects), and spawned before the client connects.

Expect: Client spawns 3 objects in the same hierarchy and position as the host.
Actual: Client spawns 3 objects in the same hierarchy, in a different position.

It looks to me as though the objects spawn on the client unparented using the host's 'local position' as the clients 'world position', then reparents the NGO using WorldPositionStays.
ie: clientNGO.position = hostNGO.localPosition~~ -- Which is blatantly incorrect.~~

I see in the docs that it does say NGO uses WorldPositionStays~~, but in this scenario that seems... wrong?~~

Interestingly - as soon as the host moves an NGO, it suddenly updates on the client to the correct position. So, once spawned, it translates correctly... it's just the initial spawn, before anything has moved, seems incorrect.

Edit: Solution: I missed replacing transform.SetParent(...) with ngo.TrySetParent(..., false)
Reparenting in editor or using transform.SetParent(), will equate to:
ngo.TrySetParent(..., true)
I needed to ensure every SetParent() was replaced with ngo.TrySetParent(..., false) for my situation.

[sour fiber]

My friend, the approval check in the networkManager is not ticked. Thank you

[sour fiber]

I don't know if I fully understand your problem, but have you tried using the setParent method first and then spawning it?

[merry wing]

I was inadvertantly/incorrectly using standard transform.SetParent() in some places, where I needed to be using ngo.TrySetParent().

That's effectively all the problem was, just didn't see it at the time. Thought something was wrong... but was just me > ; P

[merry wing]

Glad you resolved your issue, as well.

[versed rover]

If I want to test my game with some somewhere else where do I put my public IP address? In Address or in Override Bind IP

[sharp axle]

If you are trying to do a direct IP connection then the host's public IP address would go into Address but the host would also have to set up port forwarding from their router. A much much easier route would be to use the Unity Relay service

[versed rover]

Ya I will use steam later, but for now it would be easier for me to use Unity Transport so that I can still test locally without uploading to steam every time I change something.
So do I check or uncheck Allow Remote Connection?

And Override Bind IP can stay empty?

[sharp axle]

I needs to stay checked if you want to allow remote connections.
The Bind IP field can remain empty

[haughty crane]

this unity Cli its giving me a hard time

any idea why i can't deploy the chess sample ?

i added all the roles, in the service

[sharp axle]

You have to actually log in through the CLI as well. I just use the deployment package from the package manager

[haughty crane]

i can't open the whole project

and i can't see the files

and i don't know to use it either

[toxic spade]

I mad an Multiplayer game and on my local network it works fine but i cant get it to work online i made a build with my public ip and send it to my friend set portforwarding for udp and tcp on my router and my firewall but he cant connect

[mint anvil]

(i was following a tutorial from codemonkey) so i am using unity lobbies and there is a limit for using it for free i think, but i pull the data every second, because i want to update the list of players the whole time so if someone does leave/join it immediately updates the list.

is there a better way to do it than this every second? (like a function that runs when something happens?)

            heartbeatTimer2 -= Time.deltaTime;
            if(heartbeatTimer2 < 0f)
            {
                previousPlayerCount = joinedLobby.Players.Count;
                Lobby lobby = await LobbyService.Instance.GetLobbyAsync(joinedLobby.Id);
                joinedLobby = lobby;
                previousLobbyName = joinedLobby.Name;
                float heartbeatTimerMax = 1;
                heartbeatTimer2 = heartbeatTimerMax;
            }

[sage tundra]

i cant spawn object on client side (this is a prop hunt game and another player is trying to turn into an object)

how do i tackle this? i dont even exactly know which part of my code is causing the problem

[toxic spade]

use ServerRpc https://docs-multiplayer.unity3d.com/netcode/current/advanced-topics/message-system/serverrpc/

[mint anvil]

but don't i have to start a relay/networking for gameobjects? what i meant was before that in the lobby

[sharp axle]

You probably want to use Lobby Events instead of polling
https://docs.unity.com/ugs/en-us/manual/lobby/manual/lobby-events

[sage tundra]

the LAN across device doesnt work. I also tried the ips in ipconfig and they dont work either

i mean which exactly do i even enter?

[sharp axle]

The host can stay as 0.0.0.0 but the client needs to be the public IP of the host

[sage tundra]

oh i see. in essence the host is connecting to itself and the client it connecting to host

[sharp axle]

Kind of. the host is listening and the clients are connecting

[sage tundra]

doesnt seem to work

its supposed to be connecting to the IPV6 as client right?

[sharp axle]

normally its IPv4

[mint anvil]

hm doesn't look like there is something for the playercount being changed... and if i do playerJoined.changed it doesn't really work

[sharp axle]

Subscribing to LobbyEventCallbacks.LobbyChanged will give you ILobbyChanges. ILobbyChanges.PlayerJoined/PlayerLeft will give you a list of players that joined or left

[normal bluff]

Is this truly the shortest way to update a pre-existing player data?? Why is it so long?

        {
            UpdatePlayerOptions options = new UpdatePlayerOptions();
            options.Data = new Dictionary<string, PlayerDataObject>()
            {
                {
                    "existing data key", new PlayerDataObject(
                        visibility: PlayerDataObject.VisibilityOptions.Private,
                        value: "updated data value")
                }
            };

            string playerId = AuthenticationService.Instance.PlayerId;
            var lobby = await LobbyService.Instance.UpdatePlayerAsync("lobbyId", playerId, options);
        }
        catch (LobbyServiceException e)
        {
            Debug.Log(e);
        }```

[hollow sleet]

Hi, I would like to know how to open new scenes using the networkscene manager. I know, sounds simple. But I just didnt get it to work and it took me way too long for what it acutallly is.

I have this scene. One Host button and one join button. When I press the host button a new Lobby (using the Lobby service) gets generated and when somebody else presses the "join" button they join the lobby.

When one of the players presses the Startbutton I want both to get into the new scene.
How do I manage to do that?

[normal bluff]

NetworkManager.Singleton.SceneManager.LoadScene(scene, LoadSceneMode.Single);

[hollow sleet]

Evertime I execute my script this Error comes up:
NullReferenceException: Object reference not set to an instance of an object
StartGame.JoinScene () (at Assets/MyStuff/Scripts/Networking/StartGame.cs:10)
UnityEngine.Events.InvokableCall.Invoke () (at <17484a9af6b944dea5cd9be4dbb0da2c>:0)
UnityEngine.Events.UnityEvent.Invoke () (at <17484a9af6b944dea5cd9be4dbb0da2c>:0)
UnityEngine.UI.Button.Press () (at ./Library/PackageCache/com.unity.ugui@1.0.0/Runtime/UI/Core/Button.cs:70)
UnityEngine.UI.Button.OnPointerClick (UnityEngine.EventSystems.PointerEventData eventData) (at ./Library/PackageCache/com.unity.ugui@1.0.0/Runtime/UI/Core/Button.cs:114)
UnityEngine.EventSystems.ExecuteEvents.Execute (UnityEngine.EventSystems.IPointerClickHandler handler, UnityEngine.EventSystems.BaseEventData eventData) (at ./Library/PackageCache/com.unity.ugui@1.0.0/Runtime/EventSystem/ExecuteEvents.cs:57)
UnityEngine.EventSystems.ExecuteEvents.Execute[T] (UnityEngine.GameObject target, UnityEngine.EventSystems.BaseEventData eventData, UnityEngine.EventSystems.ExecuteEvents+EventFunction`1[T1] functor) (at ./Library/PackageCache/com.unity.ugui@1.0.0/Runtime/EventSystem/ExecuteEvents.cs:272)
UnityEngine.EventSystems.EventSystem:Update() (at ./Library/PackageCache/com.unity.ugui@1.0.0/Runtime/EventSystem/EventSystem.cs:530)

This is my script.

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Unity.Netcode;
using UnityEngine.SceneManagement;

public class StartGame : MonoBehaviour
{
public void JoinScene()
{
NetworkManager.Singleton.SceneManager.LoadScene("Playground", LoadSceneMode.Single);
}
}

But I cant get the heck out of what exactly is missing here!

[normal bluff]

NullReferenceException: Object reference not set to an instance of an object

Something in your scene is null. Either the actual NetworkManager doesnt exist in the scene you are calling it from or the button is using "AddListener" but the button reference is null.

StartGame.JoinScene () (at Assets/MyStuff/Scripts/Networking/StartGame.cs:10)
Its the NetworkManager. It says line 10 and the only thing in the method that can be null is the NetworkManager

[tawdry night]

can some dm me bc i need help with a inventory i am stuck on it for 2 weeks it works in singleplayer but idk how to convert it to multiplayer

[hollow sleet]

Oh I may have realised something.
I hosted a lobby and all

    public async void CreateLobby()
    {
        
        try
        {
            string lobbyName = "MyLobby";
            int maxPlayers = 2;
            
            
            Lobby lobby = await LobbyService.Instance.CreateLobbyAsync(lobbyName, maxPlayers);
            
            hostLobby = lobby;
            
            Debug.Log("Created Lobby! "+ lobby.Name + "Available Slots: " + lobby.AvailableSlots +  "LobbyCode"+lobby.LobbyCode);
            
            
        
        }catch (LobbyServiceException LobbyError)
            {
                Debug.LogError(LobbyError);
            }
    }

But I think the network manager never really hosted the thing, you know?
NetworkManager.Singleton.StartHost();

Is this right? I have never worked with netcode before only with Pun2.

How exactly do I implement that, with my Lobby code? Im so confused

[normal bluff]

I had this same issue yesterday. Id been struggling with it for weeks. If you scroll up in this same chat someone explains that you cant use most of this stuff until you start host and start client.

They give code examples too. Its so different from Photon and in my opinion too convoluted

[orchid viper]

Hello everyone!

Talking about the challenges for MMORPG games, the core is:

• Network to handle with connections;
• Database to handle with data;
• Security to avoid hacks.

Right?

Just for test purposes and to understand better those environment I decided to use for network, Phonton 2 PUN, database Mongodb, and easy the structure/code, Fishnet.

I have some doubts about the update flow works. About to update data, what do you think? Update every specific moment (like each 1 ... 5 seconds? Only with events? Both?) How to avoid hack for those updates?

[hollow sleet]

Can I ask why you are staying with Netcode then? I would like to know, because im considering going back to Photon or trying mirror.

[normal bluff]

I tend to like built in solutions since they have more documentation. Photon was very easy to work with but got quite annoying when I hit a snag that no one would help me with

Im just a little disappointed at how incredibly fractured Unity's solution is. Once you get it, i guess its easier but starting out was VERY very painful and even the documentation doesnt make it clear what parts you need and why

[hollow sleet]

I feel this. This is why I switched from Photon to netcode. Also having every service (Voice, Multiplayer, Accounts, Transactions, whatever) in this nice dashboard, it makes sense. But after over 22 Hours and no progress a part of me really wants to go back.

But thanks for the help! Maybe I'll stick with the Unity Services

[normal bluff]

I hope it works out for you. I've been stuck multiple times. Discord has been my only saving grace lol

[hollow sleet]

I appreciate! Have a good one

[sharp axle]

Yea. scroll up a bit for this exact issue. Unity Lobby is fundamentally separate from NGO. You'll need to call StartHost() before you can use NetworkManager to change scene

[toxic spade]

[ServerRpc]
private void AttackDamageServerRpc(float size, float range, float weponDamage, float weponKnockback, Vector2 direction, Vector2 knockbackDirection)
{
    knockbackDirection = new Vector2(knockbackDirection.x + (0.5f * transform.right.x), knockbackDirection.y + 0.5f);
    // so raycast doesnt hit player
    gameObject.GetComponent<Collider2D>().enabled = false;
    RaycastHit2D hit = Physics2D.CircleCast(transform.position, size, direction, range, hitmask);
    gameObject.GetComponent<Collider2D>().enabled = true;
    if (hit && hit.collider.gameObject != gameObject)
    {
        GameObject enemy = hit.collider.gameObject;
        if (enemy.GetComponent<EntityData>() != null)
        {
            enemy.GetComponent<EntityData>().RemoveHealth(weponDamage);
            float enemyhealth = enemy.GetComponent<EntityData>().health.Value;

            float knockback = 0;
            if (enemyhealth <= 10)
            {
                knockback = 30;
            }
            else
            {
                knockback = 2;
            }
            enemy.GetComponent<Rigidbody2D>().AddForce(knockbackDirection * knockback * weponKnockback, ForceMode2D.Impulse);
        }
    }


}``` it gets called in the update function but if the host attacks it adds the damage but not the force but on client it works

[versed rover]

If there is anyone here who uses Facepunch with Steam.
How do you do local testing with a second instance on the same pc?

For now I'm using the default Unity Transport for local testing or testing with my friends. But when I release the game on Steam I will use Facepunch Transport and Steam Matchmaking, but how can I test locally then, without uploading to steam updating the game on another pc with another Steam acc an then testing it? Do I need to switch between Unity and Facepunch Transport every time I want to test locally or want to Upload to steam. Or is there any way that I can use Facepunch Transport and Steam Matchmaking with one Steam Client on the PC but two Instances of the game?

[tawdry night]

U mean facepunch as in rust???

[versed rover]

No I mean this: https://wiki.facepunch.com/steamworks/Installing_For_Unity

[ruby latch]

Hello, I'm planning a multiplayer project and could use some help from those with experience with Unity's Netcode for GameObjects.

The network will be true peer-to-peer. By that I mean that there is no specific host player. Every player is connected to each other. However, I've understood that Netcode for GameObjects requires one player to act as the host if I wanted to make a P2P game with it.

Is there a way around that? Is it possible for me to define each player as host? I would be using SteamNetworkingSockets with symmetric connect mode.

[sharp axle]

Hardly anything uses true peer to peer these days. It ends up being a security nightmare when everyone has everyone else's IP address. I think webrtc might be the only thing that uses it.

[ruby latch]

I use Steam's relay servers to hide the ips

[normal bluff]

Can you subscribe to the event of a network variable changing?

[spiral frigate]

I'm integrating photon pun to my FPS game but the problem is, the player prefab instantiated has the main camera as a child to it. so multiple cameras getting instantiated casues some weird stuff to happen like the post processing being stacked as well as the players not seeing their own camera but rather other players

how do i work around this

[regal delta]

All NetworkVariables have a OnValueChanged event you can subscribe to

[spiral mirage]

Photon Fusion 2:

I have an object in my scene with a script where FixedUpdateNetwork should be called, but it isn't. However, for player prefabs that are spawned when players join the game, FixedUpdateNetwork works fine. It seems to be an issue only with objects that are already in the scene before players join. Can anyone help me understand why this is happening?

public class MovingTarget : SimulationBehaviour
    {
        public float Speed = 20f;
        public float MaxX = 10;
        private float direction = 1f;

        public override void FixedUpdateNetwork()
        {
            Debug.Log("MovingTarget called!"); // This method never gets called

            var position = transform.position;
            position += direction * Runner.DeltaTime * Speed * Vector3.right;

            if (position.x >= MaxX || position.x <= -MaxX)
            {
                direction = -direction;
            }

            position.x = Mathf.Clamp(position.x, -MaxX, MaxX);
            transform.position = position;
        }
    }

It's NetworkObject should be correctly set up once the Host starts the game:

Found it... The class had to derive from NetworkBehaviour, not from SimulationBehaviour

[warped pilot]

Hello, I have a strange question. I'm fairly new to networking, but does Client Network Transform always refer to the GameObject or also to the Children ? Because I'm making a car racing game and had to add a ClientNetworkTransform to the tires.

[normal bluff]

Is it possible to start NetworkManager in offline mode so I can test stuff without worrying about Host and Client?

[sharp axle]

Just the game object. Anything that would need to be synced separately like the tires would need their own network transform. Though probably just an animator would work too. Would be less bandwidth

[sharp axle]

The host can just connect to itself. That is normally how single player is handled

[normal bluff]

How do you do that if transport is set to use relay?

[sharp axle]

You can just change the transport back

[normal bluff]

Having trouble accessing it. Is it NetworkTransport.TransportType?

[neon epoch]

Hello!
is there a way to link Lobby players with their respective Netcode players? to read the PlayerDataObject

[sharp axle]

I think it's under NetworkManager.NetworkConfig.NetworkTransport and you might have to cast it as UnityTransport. I've never really done it in code before

[normal bluff]

How did you know you had to cast it???

  if (networkTransport != null)
  {
       networkTransport.ProtocolType = UnityTransport.ProtocolType.UnityTransport;
  }```

This is as far as I've gotten. But i'm getting an error

[sharp axle]

You can create your own Transports for NGO like for Steam. Only UnityTransport has Protocol type.

https://docs.unity3d.com/Packages/com.unity.netcode.gameobjects@1.6/api/Unity.Netcode.Transports.UTP.UnityTransport.ProtocolType.html

[normal bluff]

Ah! thats genius. Im impressed you just knew that

This is what it's telling me. It seemed to accept the casting. It just doesnt like how im setting the value

[sharp axle]

networkTransport.ProtocolType should be networkTransport.Protocol

[normal bluff]

Says protocol is { get; } only

[sharp axle]

Figures it wouldn't be that easy. I guess you'll have to dig into how the Boss Room sample does it.
https://github.com/Unity-Technologies/com.unity.multiplayer.samples.coop/blob/main/Assets/Scripts/ConnectionManagement/ConnectionMethod.cs

[tiny spear]

hello guys, i want to create a rpg game (most like gta ) in multiplayer, i'm looking for the best way to make it without f3ck my wallet bcs i'm poor (i had a server), are any one know a free framework ?

[sharp axle]

Most of the frameworks are free. The connection services are what you are paying for. Unity Game Services has Relay. Steam has a P2P service and Epic Online Services has one too

[tiny spear]

can i use the unity technologies without paid the connection service ?

[sharp axle]

sure. you can have your players set up port forwarding on thier routers

i wouldn't recommend it though

You could also self host your own dedicated server

[tiny spear]

okay how i can download the framework ?

withoud the connection service sure

[sharp axle]

https://docs-multiplayer.unity3d.com/netcode/current/installation/

[tiny spear]

thx

[sage tundra]

I'm trying to spawn host as a hider and client as a seeker in a prop hunt game

now my player prefab is a hider

but spawning as a client i wanna prevent being spawned as a hider but as a seeker instead

how do i do that?

like i have it in my deafualt prefab list here

but i dont know where to start

[sage tundra]

    public override void OnNetworkSpawn()
    {
        if (IsServer) // Make sure we are on the server when spawning objects
        {
            GameObject chosenPrefab = hiderPrefab;
            GameObject spawnedObject = Instantiate(chosenPrefab, transform.position, Quaternion.identity);
            spawnedObject.GetComponent<NetworkObject>().Spawn(); // Spawn the object over the network

            Debug.Log(chosenPrefab);

            // Optionally set the parent of the spawned object
            spawnedObject.transform.SetParent(transform, true);
        }
        else if (!IsOwner)
        {
            GameObject chosenPrefab = seekerPrefab;
            GameObject spawnedObject = Instantiate(chosenPrefab, transform.position, Quaternion.identity);
            spawnedObject.GetComponent<NetworkObject>().Spawn(); // Spawn the object over the network

            Debug.Log(chosenPrefab);

            // Optionally set the parent of the spawned object
            spawnedObject.transform.SetParent(transform, true);
        }
    }

Spawning host as a Hider worked. but Spawning client as a seeker didnt

it didnt even reach the Debug Log

[narrow cloak]

so if i wanted to damage a player wiht a gun i know i need to send it thru the server first then the client, would i need to make a server script aswell as a script that sits on the player?

[sharp axle]

We need to know where this script is located. Also where are the hidden and seeker prefabs getting assigned. Keep in mind that only the server can Spawn objects.

[sharp axle]

Health is usually done with a network variable on the player.
When the player is damaged, have the server subtract from health.Value

[hushed hamlet]

Is it possible to send custom udp packets? I'm using NetworkTransport#Send, but this causes unity to complain:

[Error  : Unity Log] [Netcode] Received a packet with an invalid Magic Value. Please report this to the Netcode for GameObjects team
```Is ``NetworkTransport#Send`` something that should only be used internally by unity? If I *am* allowed to use it, then what packet structure do I follow to make unity ok with it?

Hm, I think the issue is that my payload only includes the data that I want to send to the client.
The error message above comes from NetworkMessageManager#HandleIncomingData, which shows the packet structure that I should follow.
Still not sure if I'm supposed to avoid this way of sending packets completely though, but I'll probably try it anyways when I wake up tomorrow (unless someone suggests to do something else)

[sharp axle]

You can not send random udp packets to unity Transport. You would have to use a .net udpClient

[hushed hamlet]

Ah that's disappointing. Thanks!

[hushed hamlet]

If i just want the fastest way to send data from server to client, is unreliable rpc too slow?
And what about using NetworkIdentity?

[sharp axle]

reliability has nothing to do with the speed. Ping time comes down to your network connection. NGO does not use NetworkIdentity

[normal bluff]

Thanks a lot. I wasnt able to figure it out but that was a least a good thing to look into

Is there a way for. client to spawn/instantiate on the network? If only the host can do it, how does a client tell the host which prefab to instantiate?

[sharp axle]

No, only the host can. You can use a serverRPC to send the index of the Network Prefab list you want to spawn.

[ServerRpc(RequireOwnership = false)]
public void RequestSpawnPlayerServerRPC(int index)
{
    var playerPrefab = NetworkManager.Singleton.NetworkConfig.Prefabs.Prefabs[index].Prefab;
    var player = Instantiate(playerPrefab);
    player.GetComponent<NetworkObject>().Spawn();
}

[normal bluff]

that works thank you

[normal bluff]

For this I ended up just having a Networkmanager in scene already for offlinemode and have ot set to Unity Transport and then if the scene is joined via an online method it gets destroyed and the Networkmanager from the previous scene carries forward already set to Relay Unity Transport.

[warped pilot]

Hey Im reworking my Singleplayer Game. I have a follow camera script:

` [SerializeField] private ThirdPersonCameraController m_CameraController;
[SerializeField] private PlayerController m_PlayerController;

    private void Start()
    {
        m_JeepVisual.SpringsRestLength = m_Vehicle.Settings.SpringRestLength;
        m_JeepVisual.SteerAngle = m_Vehicle.Settings.SteerAngle;
        m_CameraController.FollowTarget = m_Vehicle.transform;
    }`

what is the best way that my camera is following the player ? because it spawns as prefab and i cant reference it

[sour fiber]

I have player class and I have variables such as color, side, coin. How can I initially set this information for each player object?

with using Unity.Netcode

[hushed hamlet]

I thought reliability similuates TCP, where the client waits for packets if it's dropped and whatnot, no?

That's what I mean by it being too slow

[neat veldt]

Are you spawning the players manually or have you assigned the prefab in NetworkManager's player object?

[warped pilot]

I have it assigned in the NetworkManagers player object

this is my prefab, before I have it not as prefab

can I make it just as prefab too ?

[neat veldt]

It has to be a networkbehaviour, then:

protected override void OnNetworkSpawn() {
  if (IsLocalPlayer) {
    m_CameraController.FollowTarget = m_Vehicle.transform;
  }
}

[warped pilot]

thanks is working

[haughty crane]

ScriptRunner.Exceptions.CloudCodeRuntimeException: Error executing Cloud Code function. Exception type: ApiException. Message: Unauthorized
umm why i'm not authorized to make a lobby?

solved, i used accestoken instead of servicetoken

[warped pilot]

What does LocalPlayer mean ?

[sharp axle]

Usually you can just set it using network variables in OnNetworkSpawn()

[sharp axle]

If you are sending updates every tick then you would want to use unreliable delivery, yea. Dropped packets should rarely be an issue unless the player is on spotty WiFi or mobile

[sharp axle]

Local player there means the local player object

[sour fiber]

How do I access the player object I set on the server in the client? I successfully set the side of the player in onNetworkSpan, but there are places where I need to use this player object in the client and I could not do this.

[haughty crane]

do you have any idea what tool i can use to test a lobby?

do i need to open the project twice?

[sour fiber]

I think , it is reply of my question

I'm not sure if I need to do player classic casting.

[sharp axle]

https://docs-multiplayer.unity3d.com/netcode/current/basics/networkobject/#finding-playerobjects

[hushed hamlet]

Do you know what the overhead on unreliable RPC is? This doesn't really touch on it too much: https://docs-multiplayer.unity3d.com/netcode/current/advanced-topics/message-system/reliability/

If it's pretty much like sending UDP packet myself then that's pretty much what I'm looking for

[sharp axle]

You can use either ParellSync or Multiplayer Play Mode if you are on Unity 2023. But in either case you will need to switch the Authentication Profile

https://docs-multiplayer.unity3d.com/netcode/current/tutorials/testing/testing_locally/#ugs-authentication

[sour fiber]

I think I understand, thank you very much for your answer. But finally, I have 1 more question to make sure. I think localobject returns a networkobject. Since my player class derives from the networkobject, I will cast it to the player class, right? Because there is a variable called side in my player object, but this variable does not exist in localPlayer.

[haughty crane]

ty

[sharp axle]

There is not a lot of info about the actual overhead of the delivery types. But unreliable is the closest you can get to sending udp. If you need more control then you will dealing with Unity Transport directly.

[hushed hamlet]

Yeah my goal was to use Unity Transport directly for minimal overhead, but then that goes back to the issue that I'm not supposed to use it directly 😭

[sharp axle]

Yea it's a networkObject. You would need to use GetComponent() to access your player class

[hushed hamlet]

I guess I'll just try unreliable rpc to see if it fits my usecase first and if it's not good enough, I'll just have to think of a better solution

Thanks for the help!

[vocal bane]

How do I sync a list of network objects to all clients?

[sharp axle]

Oh you can totally use UTP directly, it just has to be within Unity
https://docs-multiplayer.unity3d.com/transport/current/about/

[sharp axle]

As long as they have been spawned, then you can use a NetworkList of NetworkObjectReferences
https://docs-multiplayer.unity3d.com/netcode/current/advanced-topics/serialization/networkobject-serialization/#networkobjectreference

[hushed hamlet]

I'm dumb... never noticed it and only found NetworkTransport#Send so I was trying to use that the whole time LOL.
Thanks a lot, that looks like what I need ❤️

[warped pilot]

` public class VisualsStateUpdater : NetworkBehaviour
{
[SerializeField] private Vehicle m_Vehicle;
[SerializeField] private JeepVisual m_JeepVisual;
[SerializeField] private ThirdPersonCameraController m_CameraController;
[SerializeField] private PlayerController m_PlayerController;

    public override void OnNetworkSpawn()
    {
        if (IsLocalPlayer)
        {
            m_CameraController = FindObjectOfType<Camera>().GetComponent<ThirdPersonCameraController>();
            m_CameraController.FollowTarget = m_Vehicle.transform;
        }
        m_JeepVisual.SpringsRestLength = m_Vehicle.Settings.SpringRestLength;
        m_JeepVisual.SteerAngle = m_Vehicle.Settings.SteerAngle;
    }

    private void Update()
    {
        m_JeepVisual.SteerInput = m_PlayerController.MySteerInput;

        float forwardSpeed = Vector3.Dot(m_Vehicle.Forward, m_Vehicle.Velocity);
        m_JeepVisual.ForwardSpeed = forwardSpeed;
        m_JeepVisual.IsMovingForward = forwardSpeed > 0.0f;

        m_JeepVisual.SpringsCurrentLength[Wheel.FrontLeft] = m_Vehicle.GetSpringCurrentLength(Wheel.FrontLeft);
        m_JeepVisual.SpringsCurrentLength[Wheel.FrontRight] = m_Vehicle.GetSpringCurrentLength(Wheel.FrontRight);
        m_JeepVisual.SpringsCurrentLength[Wheel.BackLeft] = m_Vehicle.GetSpringCurrentLength(Wheel.BackLeft);
        m_JeepVisual.SpringsCurrentLength[Wheel.BackRight] = m_Vehicle.GetSpringCurrentLength(Wheel.BackRight);

        m_CameraController.SpeedRatio = m_Vehicle.Velocity.magnitude / m_Vehicle.Settings.MaxSpeed;
    }
}`

Why does give me this line of code a 0 reference ?

m_CameraController.SpeedRatio = m_Vehicle.Velocity.magnitude / m_Vehicle.Settings.MaxSpeed;

[sour fiber]

I ask a lot of simple questions but I really want to understand fully. I have a code like the one below (I'm typing it from my phone right now, there may be errors in my spelling).

OnNetworkSpan()
{
if(IsServer)
{
this.side = "anything"
}
}

After creating this player object, how will I access the side of the player object in the client? With getcomponent

[vocal bane]

Thanks I'll use that, I tried network lists before but they don't let you use a network object refrence, you have to do a massive amount of other stuff so I kinda gave up.

[sharp axle]

If other clients need to know then side should really be a network variable. Then those clients can access side.Value

[sour fiber]

If othet clients dont need to know?

[sharp axle]

Then you can access it like any other component from the server

[sour fiber]

Thanks bro

[vocal bane]

Can you send me an example of how to write a network list? The only examples I've found throw error or are very unclear.
I tried using https://docs.unity3d.com/Packages/com.unity.netcode.gameobjects@1.0/api/Unity.Netcode.NetworkList-1.html#constructors but it has no examples of how to actually create a network list.

[sharp axle]

The sample code here should help. The big gotcha is that you must initialize it in Start() or Awake(), unlike regular network variables
https://docs-multiplayer.unity3d.com/netcode/current/basics/networkvariable/#synchronizing-complex-types-example

[haughty crane]

does anything here look wrong?

because i can't find why i m getting throws

[vocal bane]

Thanks thats what I need! Thanks for your help. I've found what I've been doing wrong, I've been trying to make the list hold Network Object refrences. For some insane reason, you can't sync lists of network object references but you can sync a variable holding a network object reference. This page has a workaround to allow you to sync a list of network object refrences, except its like 150-200 lines and is hela complex, kill me now. Its probably easier to just to sync the lists manually via creating a local list on each client, and syncing each index via a clientrpc.

[sharp axle]

What's the error that you're getting?

[haughty crane]

i don't know how to read this

isn't that usefull

does this 2 be the same?

[haughty crane]

isn't any way for multiplayer..? like something similar cuz this is quiet hard to debug

i dont find any topics on google and the documentation suckks

[warped pilot]

When I run this:

`public override void OnNetworkSpawn()
{
if (IsLocalPlayer)
{
m_CameraController = FindObjectOfType<Camera>().GetComponent<ThirdPersonCameraController>();
m_CameraController.FollowTarget = m_Vehicle.transform;
}
m_JeepVisual.SpringsRestLength = m_Vehicle.Settings.SpringRestLength;
m_JeepVisual.SteerAngle = m_Vehicle.Settings.SteerAngle;
}

    private void Update()
    {
        m_JeepVisual.SteerInput = m_PlayerController.MySteerInput;

        float forwardSpeed = Vector3.Dot(m_Vehicle.Forward, m_Vehicle.Velocity);
        m_JeepVisual.ForwardSpeed = forwardSpeed;
        m_JeepVisual.IsMovingForward = forwardSpeed > 0.0f;

        m_JeepVisual.SpringsCurrentLength[Wheel.FrontLeft] = m_Vehicle.GetSpringCurrentLength(Wheel.FrontLeft);
        m_JeepVisual.SpringsCurrentLength[Wheel.FrontRight] = m_Vehicle.GetSpringCurrentLength(Wheel.FrontRight);
        m_JeepVisual.SpringsCurrentLength[Wheel.BackLeft] = m_Vehicle.GetSpringCurrentLength(Wheel.BackLeft);
        m_JeepVisual.SpringsCurrentLength[Wheel.BackRight] = m_Vehicle.GetSpringCurrentLength(Wheel.BackRight);

        m_CameraController.SpeedRatio = m_Vehicle.Velocity.magnitude / m_Vehicle.Settings.MaxSpeed;
    }`

and I join as client. Then I have on this line of code a NullReference:

m_CameraController.SpeedRatio = m_Vehicle.Velocity.magnitude / m_Vehicle.Settings.MaxSpeed;

[haughty crane]

is it about networking?

[warped pilot]

Yes. When I start as Host all is working fine. But when I join as Client the Host loose the "reference" of the camera and the client has it.

and the host has after that the nullreference

[sharp axle]

C# Cloud Code Modules are still very very new.
The only this that might be an issue is your JoinLobbyAns might not actually be returning a lobby
Also I don't think the Cloud Code Function name has to be the same as the actual function name

[sharp axle]

if its not the local player your Update() will not have a m_CameraController assigned

just put another check before that line

[warped pilot]

What is a "Local Player?"

[sharp axle]

the player object of that client

[warped pilot]

But why is it working when I join as Host ?

It swaps the reference away

[sharp axle]

OnNetworkSpawn() is checking if this script is on the local player object

[warped pilot]

Which line of code do I have to add as check ?

[sharp axle]

right before the line that give you a null reference error just add if(!IsLocalPlayer) return;

[warped pilot]

but then it does not work because he returns

[sharp axle]

the non local player objects should not need the local camera

[haughty crane]

and there is another option " as free as this" ?

and more used?

[warped pilot]

Ok i think i have a mistake

[sharp axle]

but also why does the camera controller have the Speed Ratio for the vehicle

[sharp axle]

Depends on what you are trying to do

[warped pilot]

how can I acess as client the camera ?

[sharp axle]

The client can access their own camera with Camera.main

[warped pilot]

And the host ? 😛

[sharp axle]

same way

the host is also a client

[warped pilot]

public override void OnNetworkSpawn()
{
m_CameraController = Camera.main.GetComponent<ThirdPersonCameraController>();
m_CameraController.FollowTarget = m_Vehicle.transform;
m_JeepVisual.SpringsRestLength = m_Vehicle.Settings.SpringRestLength;
m_JeepVisual.SteerAngle = m_Vehicle.Settings.SteerAngle;
}

When I use this and I join then the camera swap from one player to the other one.

[sharp axle]

becuase you are not checking for IsLocalPlayer there.

[warped pilot]

But when I check
public override void OnNetworkSpawn() { if (IsLocalPlayer) { m_CameraController = Camera.main.GetComponent<ThirdPersonCameraController>(); m_CameraController.FollowTarget = m_Vehicle.transform; } m_JeepVisual.SpringsRestLength = m_Vehicle.Settings.SpringRestLength; m_JeepVisual.SteerAngle = m_Vehicle.Settings.SteerAngle; }

I get a Nullreference on:

m_CameraController.SpeedRatio = m_Vehicle.Velocity.magnitude / m_Vehicle.Settings.MaxSpeed;

and only one player has the CameraController reference

follow is working

[sharp axle]

that's correct. you need to also check if(isLocalPlayer) in you Update() too.
the positions will sync if you using a Network Transform

[warped pilot]

yes but then its not working for the client

ok its working

strange

I have tried this but got errors

[narrow cloak]

is there a wokr around for funcs needing monobehaviour but thee rest of the script needs networkbehaviour

[haughty crane]

a game like chess game

same logic

every player makes a move(2players)

[sharp axle]

What do you mean? Networkbehavior inherits from Monobehavior

[sharp axle]

Could you get the Chess sample working at all?
https://github.com/Unity-Technologies/com.unity.services.samples.multiplayer-chess-cloud-code

There are other serverless platforms you could use like AWS Lamda, or Playfab Could Functions.

But I guess it might be more straightforward to just use Unity Lobby and Relay. You are not likely to go beyond the free tier limits even after you launch

[haughty crane]

i can't open the full project in unity

so i can't deploy the modules

from unity.. and by cmd isn't working too

[haughty crane]

i found a way to deploy but the game isn't working(chess)

can't even host lobby

[warped pilot]

when I starthost how can I change spawn position of the player prefab ? 🙂

[weak plinth]

(using NGO) more of a logic question on how to approach my issue: Network objects can not be a child of a non network object. I need my player to be able to equip a new "gun" when they walk into it on the map. Issue is that I have 2 guns that need to appear, one for the client who collects the gun (they dont see their body, arms or anything just the gun when it spawns) which is easy as you can do this locally without spawning a networkObject. However this second gun is for the other clients to see when looking at the player who collected the gun. The player runs an animation in all states which means I need the gun to be a child object of a transform attached (child of) the Players Rigs hands. But again you can't do this as network objects can only be a child of a network object, and additionally a network object can not spawn with nested network objects. So am I supposed to run a client RPC to tell each client to instantiate and destroy the gun object each time, or is there another way to do it that sounds less bad than instantiating a nested network object in the players hand just for the sake of being able to spawn the gun on it in one ServerRpc?

[sharp axle]

I don't know what the issue is. But if it's giving you that much trouble then don't bother with cloud code. You can do all of it in game through the Relay service and lobby

[haughty crane]

i was going to use lobbies services in cloud, but it doesn't work

[weak plinth]

I don't know what I'm talking about but look into asynchronous methods and using the await function in unity (I think this works with RPC's)

[sharp axle]

NGO can only operate on the main thread. You probably shouldn't be calling RPCs every tick in any case

[sharp axle]

If you are using the automated player prefab then you can change the spawn position in the Connection Approval callback

[haughty crane]

and do i need to use netcode?

[sharp axle]

Yes

[weak plinth]

You aren't trying to make a multiplayer chess game using lobbies and cloud are you? Netcode is the code that sends data such as a moved piece on the chess board not cloud data. Cloud data is for storing information to then pull at a later date like unlocked chess board skins or something.

[sharp axle]

You would use an RPC or network variable on the root player object to tell the client what gun to Instantiate

[sharp axle]

You totally can. Check the unity repo I posted above. It uses cloud code to validate moves and update the game state saved to Cloud Save.

[weak plinth]

I guess it makes sense as the cloud is essentially running as a server at that point? Holding all the data for any movements. And its a low action game so not much data is needed to be sent.

[haughty crane]

the best option is still the cloud code.. i ll try to take step by step with the join lobby until it works

i hope

[sharp axle]

Right, cloud code is basically a server that runs one function at a time. You'll see it called serverless architecture

[weak plinth]

what I mean is, what is best practice / uses less bandwidth, calling a clientRPC to instantiate the gun locally on each client and then also a clientRPC to destroy the local to the client gun. Or is it better to instantiate a nested network object on each player post character creation in order to allow for a single server RPC to be called creating, parenting and destroying the gun. (or am I digging into this too much)

[haughty crane]

like i only need moves.. netcode is like a live connection, right?

so its too much for what i need? i think?

[sharp axle]

Parenting network objects is a huge pain in the ass. I've never really gotten it to work properly

[weak plinth]

yeah it is a pain in the ass lol, I have it working just don't know if the approach I take is even close to being "efficient for bandwidth"

[sharp axle]

For weapon switching I wouldn't worry about efficiency. It's not like players are doing it every frame.

[weak plinth]

true, that's enough help for me lol. I didn't even think about that, I keep getting so caught up in doing everything "the right way"

[haughty crane]

CloudSaveData.SetCustomItemBatchAsync its like a structure where i can find my save data and i can update it or read it when ever i want?

[sharp axle]

You are not wrong. If you can figure out where your issue is then cloud code would be the better option

[sharp axle]

Premature Optimization is the Devil

[sharp axle]

SetCustomItem is only for saving data. There should also be a GetCustomItem or something like that

[haughty crane]

so frustrating that i can't get any info from this logger

like what's the error thrown

[bitter eagle]

(Unity Lobby Service)

Hey guys, is there something like "unsubscribe" lobby events? Opposite of SubscribeToLobbyEventsAsync method, I mean.

[sharp axle]

I would open a ticket on the Cloud Dashboard for that. You should not be getting that from the Chess Sample module

[sharp axle]

yea, https://docs.unity.com/ugs/en-us/manual/lobby/manual/lobby-events#ILobbyEvents

[haughty crane]

rn im trying to use quickjoin

but it looks like i dont have a lobby

even it is hosted

[haughty crane]

nah, i don't know what to do anymore.. can't find a way to see what's the problem

[sharp axle]

Quickjoin will not find a lobby if its not already been created. You'll need to use CreateLobbyAsync then return the lobby code

[haughty crane]

i use 2 clients, on first i host the lobby and on second

i try quickjoin

[nimble drift]

do i place NetworkObject component on every object in the player?

[sour fiber]

@sharp axle are you here?

[sharp axle]

I'm around

[sour fiber]

I did what you said yesterday and it worked successfully, but after adding networkVariables to my player class, I started not being able to connect.

this is public class Player : NetworkBehaviour, IPlayer

[nimble drift]

why does this not work?

and in another script i have this

its giving me an error

line 112

[sharp axle]

I don't think you can use a network variable as a property like that. I'm surprised get;set; did not throw any errors

[sharp axle]

I avoid using singletons. especially with networking. Movement.Instance is likely not getting set on the clients

[nimble drift]

so just reference it manually?

[sharp axle]

yep

[nimble drift]

alright

thanks

[nimble drift]

i know why, initilization was in awake

so it was initializing before the network manager

but still imma stick with manual

[haughty crane]

hi, did you work with photon? its worth? I'm thinking switching to it instead of the cloud code

[sharp axle]

I've used it before. But it's a replacement for NGO not cloud code. Plus its way more expensive. I'm not sure if photon has a replacement for cloud code.

[haughty crane]

how expensive is netcode?

[sharp axle]

NGO on its own is just the framework. It's free. The services like Relay and Lobby is what you pay for. But they have a pretty generous free tier.
https://unity.com/solutions/gaming-services/pricing

[haughty crane]

I'll try tomorrow, ty so much for your time to explain these things 4 me. Happy new year!

[nimble drift]

this is a short script for switching weapons

https://hastebin.skyra.pw/uholobumoy.csharp

why doesnt it work properly for other players?

this is what i mean

[nimble drift]

it only switches the weapons for myself

the owner

i mean it looks like its also switching for other players but the old weapon is not getting disabled

[nimble drift]

i think i got it but im not sure

[sharp axle]

You need an RPC or some Network Variable to tell the other clients what to enable/disable

[nimble drift]

https://hastebin.skyra.pw/uboxelomem.csharp

would this be fine?

or can i do it better

[sharp axle]

That should be fine.

[nimble drift]

do i have to pass it the client rpc through the server one tho?

or can i just call the client rpc straight away

[sharp axle]

Has to go through the server

[nimble drift]

then cant i just put all the logic inside the server rpc?

im trying to understand it sorry man

[sharp axle]

The other clients need to know about the change too

[nimble drift]

oh i think i get it

[sharp axle]

You could also just make the activeWeapon a NetworkVariable.

then the client can listen for activeWeapon.OnValueChange and do the weapon swapping there.
Either way works

[nimble drift]

could u just help me understand one more thing

here im just passing selectedWeapon

instead of the weaponIndex

and it doesnt work anymore

why is that

[sharp axle]

the weaponIndex is what is getting sent across the network

[nimble drift]

alright

thank you man

[nimble drift]

could u just help me out with one more thing

gimme a sec i'll show you what i mean

the name of the function is misleading because its not ik

all this does is rotates the lowerSpine bone around the x axis

accordingly to how much the player is looking up or down

and the player can only see this happening on himself

and other players cannot see it

this is the bone im rotating

i tried adding a client network transform

to affect the x rotation

[sharp axle]

same issue actually. you would need to send the x rotation as an RPC

[nimble drift]

really?

[sharp axle]

or you could use IK rigging package and just have the IK target have a network transform on it

[nimble drift]

so would this work?

[sharp axle]

Yea. it should

[nimble drift]

its buggin out

maybe cause its in LateUpdate?

i might just do it with ik

all i'd have to do with ik is just have the client network transform on it right?

[sharp axle]

On the IK target, yea

[nimble drift]

alright

[nimble drift]

also should i be checking IfLocalPlayer

instead of IsOwner

cause im gonna have 3 players

and IsOwner checks if its the player hosting right?

[sharp axle]

IsOwner and IsLocalPlayer will normally be the same. IsOwner just checks if the client is the owner of the object. The player could own multiple objects not just the player object

[nimble drift]

oh alright

thank you so much man

[pure nymph]

Photon Fusion question: Does anyone know why FixedUpdateNetwork is never being called on my NetworkBehaviour derived class?

There's a NetworkObject component on the same gameobject. Not sure what else I'm supposed to do

[pure nymph]

Oh and it IS being called on another class that gets spawned. Just not on this one manager class that's already in the scene

[orchid pendant]

Im using photon PUN 2 and im trying to access a random player's script which is in the room i tried using an array and tried finding a random player by using Random.Range()but that didnt work since PhotonNetwork.PlayerList.Length OR PhotonNetwork.PlayerListOthers.Length isnt a gameObject

how would i do this

public GameObject[] players;

int randomPlayer = Random.Range(0, players.Length);

GameObject[] playerGameObject = GameObject.FindGameObjectsWithTag("Player");
for (int i = 0; i < players.Length; i++)
{
  players[i] = playerGameObject[i].gameObject;
}

GameObject playerWithTheBomb = players[randomPlayer];

playerWithTheBomb.GetComponent<PlayerBombManager>().bombText.SetActive(true);
``` i tried this but it doesn't work

[bitter bough]

Can someone explain and show me an example of how to synchronize variables via rpc for a health script. Using netcode for gameobject

[sharp axle]

Normally health would be a Network Variable. Those are synced automatically without the need for RPCs

[bitter bough]

will this code be synchronized?

[sharp axle]

no, those are not network variables
https://docs-multiplayer.unity3d.com/netcode/current/basics/networkvariable/

[bitter bough]

If it's not too much trouble, can you give us an example?

[sharp axle]

There are examples in that link
https://docs-multiplayer.unity3d.com/netcode/current/basics/networkvariable/#onvaluechanged-example

[nimble drift]

i want to make a isSingleplayer bool

which if true would always return the IsOwner to true

and if it isnt then let the network decide if IsOwner

how can i do that?

i tried something like this

but i dont know what im doing

[weak plinth]

Are there any helpful resources on sceneloading in netcode. I have it working other than when it doesn't my client will randomly decide every now and then that instead of loading the scene along with the host it will just not.

[weak plinth]

you can only change ownership by asking the server/host. To do this you have to send a ServerRpc (a function that runs on the server / host only, but is told to run by the client). Its also worth noting that if you are calling a serverRpc to happen on an object the client doesn't own then you need the parameters [ServerRpc(RequiresOwnerShip = false)].

[sharp axle]

In Single player, you would be the host and would own everything anyways

[weak plinth]

Netcode is server authoritative meaning any changes made are required to be done by the server (instantiation, ownership transfers, etc)

[nimble drift]

what im trying to do is not having to hide the player every time i wanna test

and then host

cause at the moment i have to hide him before playing

then host a game

and change stuff

[weak plinth]

Oh your statement confused me lol, you are trying to make a singleplayer vers and a multiplayer vers? Do you need the networkmanager to still run for the game to work?

[nimble drift]

yeah it confused me as well lmao

[sharp axle]

as long as you are usine Network Manager Scene Manager to load the scene then it should automatically sync to the clients

[nimble drift]

i just wanna be able to start the game and if the player is active to not need to host a lobby

[weak plinth]

yup I'm just an L rn cos I am using that and it aint working sometimes lol

[sharp axle]

If the network isn't started then there is no ownership of anything.

[nimble drift]

the second video is what i wanna be able to do

[nimble drift]

yeah thats why my code breaks

how do i overcome that?

it returns false

[sharp axle]

just use the bool like normal. IsOwner is not going to work

use isSinglePlayer instead of IsOwner

[nimble drift]

but then i also need to check if IsOwner

if its not single player

[weak plinth]

several approaches, could make a player prefab for the multiplayer vers and a prefab for the singleplayer vers and different scripts. Or you could just copy and paste the code under two different if statements asking if it is singleplayer == true {do singleplayer vers of events} and else {do singleplayer vers of events}

you cant ask "IsOwner" without errors if you aren't connected to a game

[nimble drift]

yeah i thought the easiest way would be to check if isSingleplayer is true, and if it is always return the IsOwner to true

because the isSingleplayer bool would be for testing

only

[nimble drift]

i'd get rid of it later

in this script in awake i wanna check if isPlaytesting is true, and if it is to override the IsOwner to always return true;

and if isPlaytesting is set to false, to let NetworkBehaviour decide if IsOwner is true or false

[weak plinth]

ok so IsOwner is a network variable instead of using this create a new variable in your player script that asks (isOwner) for all the movement and other actions. instead of using the (isOwner) variable make a new one and call something else like "IsPlayerUsed". At the start of the script take the Isplayerused and make it = isPlaytesting. Then OnNetworkEnable(){IsPlayerUsed = IsOwner}

I don't know if that would defnitely work but worth a shot sounds logical

let me know how it goes

[sharp axle]

Normally for single player you will just connect to yourself as host

[weak plinth]

by default, clientRpc sends to all clients? I am calling a clientRpc with params to set a singular client to send the rpc to (works fine). but then in this clientRpc i call another clientRpc without any specified params, but it just ends up sending a clientRpc to itself, how can I make it so that it sends to all clients again.

[sharp axle]

only the server/host can call clientRPCs.

[weak plinth]

thanks

[nimble drift]

so have a bool called IsPlayer, and another bool called isPlaytesting

and in some script in awake check if isPlaytesting, and if its true return true, and if its false make IsPlayer = IsOwner

wait no it would have to be in update as well

right?

something like this would work right?

also whats a better name for the bool

other than IsPlayer

cause it doesnt really make sense

[sharp axle]

Is owner is always going to be false if you are offline

[nimble drift]

bruh its so broken

i dont know what to do

like when i wanna make animations

i gotta host a lobby

and all that

[sharp axle]

What you do mean? If you just need to test stuff then just call StartHost() and do your thing

[nimble drift]

so i could just do that

the second screenshot

automatically start a host

if is playtesting

[nimble drift]

is set to true

[sharp axle]

pretty much, yea

[nimble drift]

why did it automatically add a network object?

when i attach the script

and i cant remove it

[sharp axle]

Netowrk behaviors must have a network object

[nimble drift]

how come this doesnt need it?

it doesnt have one

and it still works

oh its mono behaviour

alright my bad

[nimble drift]

so this is what it looks like

i mean it works

i had to change awake to start

because it was giving me the "NetworkManager is null"

cause this was running before network manager was even initialized

[sharp axle]

that's correct. Singletons are normally initialied in Awake()

[nimble drift]

whats a better name for this script

DeveloperNetworkBehaviour?

[sharp axle]

lol, naming is the hardest thing in game dev

[nimble drift]

yeah lmao

NetworkDeveloperTool

maybe

[sharp axle]

I call my script that does all that NetworkConnectionManager

[nimble drift]

yeah could do

alright thanks man

you'll probably see me here shortly again with another problem 🥲

[nimble drift]

why when these objects are not active by default i get an error?

but when they are active by default it works

i need them disabled tho

i think the network manager isnt initializing them or something because there not active

[sharp axle]

Child objects have to be enabled by default. If they are network objects then they should be disabled with a RPC

[haughty crane]

hi, any idea why it says that im already in lobby? i create a lobby on a client and join on 2nd..

[sharp axle]

You need to switch authentication profiles if you are testing from the same PC by signing in anonymously
https://docs-multiplayer.unity3d.com/netcode/current/tutorials/testing/testing_locally/#ugs-authentication

[haughty crane]

ty

[haughty crane]

i think this is what caused the cloud code not to work

[nimble drift]

so how do i overcome that problem

because i need them to be disabled by default

[sharp axle]

You can disable them in OnNetworkSpawn() if needed. Or just disable the renderer on them if it's a visual bug

[haughty crane]

what s wrong?

[sharp axle]

That code is outside of the class.

[haughty crane]

#if types don't need to be outside?

or i need to include other libraries?

[sharp axle]

they are still functions so they still need to be within the class. Its just that they only get run under certain conditions

[haughty crane]

i m pretty sure im doing it so wrong

[sharp axle]

It needs to be just after you initialize UnityServices or right before you SignInAnonymously()

also that specific is for when you are using ParrelSync to clone the project

[haughty crane]

worked, thanks. i don't need to clone again, right?

[nimble drift]

instead of doing it in start, how can i call the SelectWeaponServerRpc() when a client joins
https://hastebin.skyra.pw/imecozoray.csharp

[sharp axle]

I don't think so.

[sharp axle]

You could call it in OnNetworkSpawn() if this is on the player object

[nimble drift]

how do i access that method

[haughty crane]

hei, i ve got back to the cloud code, but now i can't req anything because i get 422 bad request. I've found this https://forum.unity.com/threads/getting-422-unprocessable-entity-bad-request-in-cloudcode-request.1510301/ and my question is, do i need to sync anything ???/

like i can't even get the sayhello to work

[sharp axle]

What is the cloud code constructor doing?

[haughty crane]

um..? what constructor?

[sharp axle]

In GameLogic

[sharp axle]

Maybe try commenting out the constructor since is not being used

[haughty crane]

samething

i ll try to remake everything

[bitter bough]

please help. How do I synchronize this on the server. This is an array with the health of body parts. And how to make it synchronized.
netcode for gameobject
https://streamable.com/qdrfh8

[haughty crane]

@sharp axle i started from 0 again and got it to work(get lobby, join by code etc), now i don't understand how startgame is called

it hans't any command filed..

found it

[nimble drift]

hey man, could u tell me what networking solution you're using

cause im new to networking and i wanna see what other people are also using

[haughty crane]

hei, im makeing a 2d game like chess and i'm using Cloud Code

and lobby to make/join lobby

[nimble drift]

oh alright thanks man

[sharp axle]

You would either use a custom network variable or a NetworkList of health values

[bitter bough]

I did not understand how to use it, I spent almost 2 evenings and still do not understand how to record and call functions.

[sharp axle]

I'm not sure what you mean by record and call functions. By default network variables are server authoritative. When a player gets damaged the server would update the network variable which would then get synced to the clients.
If it was built as a single player system then a lot of it will likely have to be rewritten.

[bitter bough]

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using Unity.Netcode;

public class health : NetworkBehaviour
{
    [SerializeField] private NetworkObject NetworkObject;
    [Space]
    [SerializeField] private bool isHitBox;
    [SerializeField] private health basicHealth;
    [SerializeField] private int healthPartsNumber;
    [Header("Basic")]
    [SerializeField] private int[] healthParts; //<--- health counts
    [SerializeField] private Image[] iconParts;

    private void Start()
    {
        iconParts = FindObjectOfType<getIconParts>().getParts(); 
    }

    private void Update() 
    {
        if (!NetworkObject.IsLocalPlayer)
        {
            enabled = false;
        }
    }

    public void GetDamage(int Damage)
    {
        basicHealth.healthParts[healthPartsNumber] -= Damage;
    }
}

You can show me with the example of this script. Please do.

[haughty crane]

any idea why i get a message twice?

[sharp axle]

I don't have time to rewrite your script but an example of a network list is here
https://docs-multiplayer.unity3d.com/netcode/current/basics/networkvariable/#synchronizing-complex-types-example

[sharp axle]

I would guess that start lobby is getting called twice. check the event message and see if its the same too

[bitter bough]

Why i cant change value

[sharp axle]

Whichever Client is trying to change that value is not the owner of that object

[normal bluff]

ChatGPT is telling me to use NetworkPrefabs to access the prefabs list but Unity is saying that doesnt exist... Did the internet lie to me?

[sharp axle]

Try Unity Muse instead
But it's .Networkconfig.Prefabs.Prefabs[]. Prefab
https://docs.unity3d.com/Packages/com.unity.netcode.gameobjects@1.6/api/Unity.Netcode.NetworkConfig.html

[normal bluff]

Man... how do you find this stuff so fast. Youre the best

[bitter bough]

How can this be fixed or circumvented?

[sharp axle]

Check if IsOwner before trying to change that value

[bitter bough]

When I shoot from the host, everything works, but when I shoot from the client to the host, nothing happens

[sharp axle]

Sounds like the client is not the owner of that object. You would need to send a serverRPC to change the value in that case

[bitter bough]

How can this be done?

[sharp axle]

Here is how to use serverRPCs
https://docs-multiplayer.unity3d.com/netcode/current/advanced-topics/message-system/serverrpc/

[calm geyser]

Hello, why is my client gameobject floating in air. And the server side camera is not following the GO. I am using netcode for gameobjects

[calm geyser]

this is my movement script. But i dont think its the one causing the issue.

    private PlayerInputActions _playerInputActions;
    private float _speed = 3f;
    
    private void Start(){
        _playerInputActions = new PlayerInputActions();
        _playerInputActions.Player.Move.Enable();
    }
    private void Update(){
        if (!IsOwner){
            return;
        }
        Vector2 inputVector = _playerInputActions.Player.Move.ReadValue<Vector2>();
        transform.Translate(new Vector3(inputVector.x,0,0) * (Time.deltaTime * _speed));
        HorizontalAnim(inputVector.x);
    }
    private void HorizontalAnim(float horizontal) {
        //animator.SetFloat(Speed, Mathf.Abs(horizontal));
        Vector3 scale = transform.localScale;
        if (horizontal < 0) {
            scale.x = -1f * Mathf.Abs(scale.x);
        }
        else if (horizontal > 0) {
            scale.x = Mathf.Abs(horizontal);
        }
        transform.localScale = scale;
    }```

[bitter bough]

    public void GetDamageServerRpc(int Damage)
    {
        basicHealth.healthParts[healthPartsNumber].Value -= Damage;
    }```
If this is the case, the client can damage the server. But the server can't damage the client.




```    [ClientRpc]
    public void GetDamageClientRpc(int Damage)
    {
        basicHealth.healthParts[healthPartsNumber].Value -= Damage;
    }```
And like this, the server can damage the client, but the client cannot damage the server


why so?

[bitter bough]

https://streamable.com/1zzj49
what's wrong, I'm [ServerRpc(RequireOwnership = false)] and only the client can do damage to the host. And if you shoot from the host to the client, nothing happens

[sharp axle]

It depends on who has write permissions for that list. It can either be server only or owner only write permissions. ServerRPCs can only be called from a client and will only run on the server and the clientRPC can only be called from the server and will only run on clients. The host is the server and a client so it can call clientRPCs on itself

[bitter bough]

So what do I need to write to make it work for both?

[sharp axle]

It can only be one write permission for the list.

[calm geyser]

anyone?

[sharp axle]

Looks like the characters are getting spawned on top of each other and gravity isn't triggering. It's still acting grounded

[calm geyser]

But it's landing on the ground on the client side. The problem is only occurring on the host side.

[bitter bough]

In what sense? I mean, I can't make sure that both sides can do damage to each other. If that's correct. So what do I need to do?

[sharp axle]

dunno. are you using a network transform or client network transform?

[sharp axle]

You can. You just have to make sure that the network list permissions are correct and that the right client is making the changes

[bitter bough]

If you can do it in 1 line, you can write it like this. Because I couldn't find it on the Internet

[sharp axle]

You definitely can not do it in one line.

[haughty crane]

heei, simple question, when i call an cloud code command, i can only pass string right?

if i want to send int data etc i need to sent it like string?

[sharp axle]

No, believe its a dictionary of parameters. The key of the dictionary is a string for the variable name, and the object is the value of it

[nimble drift]

hey there guys

could you help me spawn this for other players?

so im trying to instantiate muzzle flash in different places for different people

so for the owner of this object so the player that is shooting i want to instantiate a muzzle flash at the clientBarrel.position and for other people to see it at serverBarrel.position

how can i do that?

so the first check would be correct

because it would only spawn it for the player that is shooting

and other player wont be able to see it

but now in the else statement i need to spawn it for every client that is NOT THIS PLAYER

[nimble drift]

this is what i have now

and it spawns the muzzle flash on every client

i just need to spawn it on every client other than the one that shot it

so every client other than this one

wait i dont have to spawn it as a network object

i ended up with this

but it still doesnt work because it still spawns the muzzle flash on the player that shot

so on the owner

[atomic mountain]

Hello, I am trying to get Vivox setup with Mirror in Unity. My goal is to have proximity chat in my game. I can't seem to find any resources or examples of how to set this up though. Can anyone point me in the right direction as to how I should implement 3D positional audio with Vivox? I have this script in my Game scene that I think is joining the channel but I cannot figure out how to update the players position in game

[atomic mountain]

welp nevermind i got Dissonance lol

[calm geyser]

client network transform

[neat veldt]

Any idea why this networkvariable doesn't sync??

It works if I make it a ServerRpc instead, but that feels inefficient

[haughty crane]

@sharp axle if i save a bool in cloud when i do this: var HostReady = saveResponse.Data.Results.Find(r => r.Key == "HostReady") it will return a string or bool?

[sudden holly]

I created a short tutorial for anyone who is interested to start with Unity WebSocket and WebRTC networking 🙂 https://www.youtube.com/watch?v=fgQw_sClwVo

[sharp axle]

If you saved it as a bool then it will return a bool

[haughty crane]

i might have a problem checking it..

it wont let me use the boolean false

[sharp axle]

You've got false in quotes there making it a string

[haughty crane]

i m trying with

[haughty crane]

didn;t work

im trying with (bool)HostReady

to the value

[sharp axle]

I mean in your if check there

[haughty crane]

yes, worked. ty

one more question

when i save data to cloud like this

when i want to save anything else, do i need to save the old variables again??

[sharp axle]

No, you don't have to

[haughty crane]

i can save vector 3 to cloud

right?

[round reef]

how do i make it so each player has its own camera