i need help getting a basic setup for unity netcode with steamworks working

[wind lion]

i have gotten it working with unity transport but not steamworks ok.

also i have facepunch for unity netcode installed.

[hasty sapphire]

What error are you getting? You should only need to set the correct host steam id in the Facepunch Transport that you get from the steam lobby

[wind lion]

All socket receive requests were marked as failed, likely because socket itself has failed.

[hasty sapphire]

That is usually a firewall issue

[wind lion]

no i have firewall turned off so that cant be it also why would go through firewall if i'm using unity multiplayer play mode in the editor

[hasty sapphire]

Connecting through steam hits the network. If you can't connect to the Internet then you can't connect to Steam

[wind lion]

ok but it still has the same error.

[hasty sapphire]

Does steam even let you sign in to 2 accounts on the same PC? I'm not sure MPPM will work with Steamworks.

[wind lion]

does this mean when ever i have to debug my game ill have to go to steam and login with two accounts there has to be another way.

[hasty sapphire]

I don't use Steamworks but from what I've seen, the general advice is use a separate PC(or VM) when you need to test steam transport. And just stick with Unity Transport for tesing everything else.

[dreamy granite]

just use sandboxie

"sandboxie-plus" works perfectly fine

[wind lion]

i have two steam accounts tho but i cant run them at the same time on one computer?

[dreamy granite]

you can with sandboxie, just need to make sure sandboxie installs the steam in its container and then drag your game's exe there

just make sure both accounts are different

[wind lion]

this seems like a lot of effort... to use a vm install steam on the vm and login into my second steam account?

[dreamy granite]

sandboxie is not a vm

very small software tool

[wind lion]

ok i will try it out where do i download it?

[dreamy granite]

idk if I can send links, https://sandboxie-plus.com/

[wind lion]

also is it portable like does it use an installer

[dreamy granite]

it seems to be just a installer

[wind lion]

also wow so many ads

[dreamy granite]

decline them, software itself is ad free

[wind lion]

how do i use it sorry if im asking way too many questions

[dreamy granite]

first lets use the default box it offers, in that you drag the steam either shortcut or the exe in and make sure you give it admin perms, else steam won't be able to correctly setup in that box

everything can be dragged inside here, it will just ask which box to use and if it should start it as an admin

[wind lion]

i may use sandboxie in the future but for now i'm just gonna use a friends pc.

[dreamy granite]

yeah that will work too, just the sandboxie route overall will be easier to use, as long as steam doesn't make it so that it won't work there

[hasty sapphire]

Windows Sandbox is also an option

[dreamy granite]

expensive on the system and it requires you to install steam each time so not feasible at all

i've used it, never again

[wind lion]

i am using steamworks rn i can host but i cant join

[wind lion]

can i have some help debugging

@hasty sapphire help please.

[hasty sapphire]

are you getting an error message on the client? You need to make double sure that the correct steam ID is getting set

[wind lion]

no errors where would i check for steam id

[hasty sapphire]

Whereever you are setting it for the client transport.

[wind lion]

i guess im not setting it then how should i do it

[hasty sapphire]

That is how the client knows what to connect to. FacepunchTransport has a public userSteamId that you need to set to the host's steam id

[dreamy granite]

it looks something like this, tho it already gets somewhat complex

[hasty sapphire]

You should print out lobby.Owner.Id to make sure that is the correct steam id of the host

[dreamy granite]

there's also lobby corruption you need to account, somewhat sucks to make lobbies with steamworks

[wind lion]

It finally works sorry for late reply.

Thx so much.

[wind lion]

question? is there any tutorials you would recommend to a beginner for steam lobbies for my game.

[hasty sapphire]

I don't use Steamworks, so I can't help there. Steamworks has their developer forums though

[wind lion]

do you know any good tutorials

[dreamy granite]

there are some tutorials on youtube, but they are kinda bad

[wind lion]

any premade easy to use lobby systems i can modify i just need my game to have the bare bones for multiplayer rn.

[dreamy granite]

i have not seen any made, i even thought about making one myself that could be used as a base to easily get started

https://www.youtube.com/watch?v=kBgnIJUfQak
maybe this video helps to get started

make sure the facepunch is up to date, do not use the runtime that comes with facepunch transport

[wind lion]

i think i watched that video and he doesn't explain much.

[wind lion]

also where would i check for that?

[hasty sapphire]

The Facepunch website/github

[dreamy granite]

https://github.com/Facepunch/Facepunch.Steamworks/releases

here is the latest release

[hasty sapphire]

The wiki also has some helpful snippets
https://wiki.facepunch.com/steamworks/Installing_For_Unity

[wind lion]

so do i just drag and drop the all files in that folder in my project?

[hasty sapphire]

Yes, just extract the Facepunch.Steamworks zip file into a folder called Plugins

[wind lion]

I really think that would help a lot of people because I thought the hardest part would be building code around multiplayer but rn the hardest thing is just getting it setup.

[wind lion]

should i create a folder inside asset with the name "Steamworks" and inside that "Runtime" with the Facepunch.Steamworks.2.4.1 inside

[hasty sapphire]

Yes, create a new folder called Plugins

[hasty sapphire]

If you want to. Not needed though

[wind lion]

ok so i created a folder called plugins and extracted the Facepunch.Steamworks.2.4.1 inside and now its screaming errors

[hasty sapphire]

What errors? And you'll need to remove the Runtime that came with Facepunch Transport

[wind lion]

thx. but now i have another error i cant use steam matchmaking i think error CS0433: The type 'Lobby' exists in both 'Facepunch.Steamworks.Posix, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null' and 'Facepunch.Steamworks.Win32, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null'

[brazen ore]

Codemonkey is a good start i think. If english would be my main language the tutorials are like gold mine for me. And tutorials about networking with netcode in youtube are limited. You have to watch whatever you find

[wind lion]

i followed the video and by part 2 i realized that it doesn't actually setup a lobby system like how i wanted i was just host and join instead of seeing a list of available lobbies.

[dreamy granite]

https://www.youtube.com/watch?v=ZQdjyGmWD5I&list=PLLEXBFkEF1apJhUHaYpKmqNviZ7rY3iep&index=3

this one should be much better, but I still recommend reading the docs and doing it yourself

[hasty sapphire]

I think I'll try making a video tutorial this weekend so something is out there that's not a few years old

[dreamy granite]

make sure that tutorial uses connection approval, but a lot of them are without which is imo the worst thing to do

[hasty sapphire]

Do you really need ticket validation with P2P lobbies? But I guess its easy enough to add

[dreamy granite]

without I don't think there's a good way to ban/kick exploiters out of lobbies, it also makes handling user data much easier, like setting payloads

[hasty sapphire]

I can understand using it for a dedicated server. I just worry about sending access tokens to other clients. CAn you even use SteamServer over a Relay?

[dreamy granite]

that i don't know, as I've only done connection approval with P2P, just without connection approval imo you cannot send that easily connection data idk like your "character's skin, xp, steamid and name"

like you can send data via RPCs, but that would be extra work, and still don't forget exploiters you kicked from the lobby, they can join, then you need some custom logic to kick them out again

not to mention good luck mapping steamId to client Id without it 💀

[wind lion]

i need some help for some reason when i try to spawn a button for every lobby it works for a couple seconds but without any data like names or anything and then itll start throwing errors like Object Refernce Not Set To Object Instance and for some reason theres like 50 lobbys?!

[dreamy granite]

querying too many lobbies?

[wind lion]

maybe how would i check?

[hasty sapphire]

Are you still using the space war app id?

[wind lion]

yes! i don't have my own because my project is way to early to pay up 100$

[hasty sapphire]

So is everyone else. There are likely thousands of lobbies out there at any time. There should be a way to limit the number of lobbies in your query

[wind lion]

well if it is a bunch of other people's lobby why are they all nameless and unjoinable?

[hasty sapphire]

Who knows. Could be not set up correctly. Dunno if names are assigned automatically or not. The lobbies could be full. Could just be folks screwing around making lobbies for one player max

There should also be a way to filter lobbies with open slots available

[wind lion]

what do you think?

[dreamy granite]

there is, thats what the facepunch docs is for

[wind lion]

but then why do none of them have names? or why can't i join them?

[wind lion]

btw this is the line giving me errors "foreach (Lobby lobby in lobbies)"

[hasty sapphire]

Post your code so we can see what's up

[wind lion]

here's a little snippet

public async void ListLobbies()
    {
        Lobby[] lobbies = await SteamMatchmaking.LobbyList.WithSlotsAvailable(1).WithMaxResults(7).RequestAsync();

        foreach (Transform child in LobbyHolder.transform)
        {
            Destroy(child.gameObject);
        }
        
        foreach (Lobby lobby in lobbies)
        {
            GameObject button = Instantiate(LobbyButton, LobbyHolder.transform);
            // button.transform.SetParent(LobbyHolder.transform);
            button.GetComponentInChildren<TextMeshProUGUI>().text = lobby.Id.ToString();// lobby.Owner.Name + "'s Lobby";
            button.GetComponentInChildren<Button>().onClick.AddListener(delegate { JoinLobby(lobby.Id); });
        }
    }

    public async void JoinLobby(ulong LobbyID)
    {
        Lobby[] lobbies = await SteamMatchmaking.LobbyList.WithSlotsAvailable(1).RequestAsync();

        foreach (Lobby lobby in lobbies)
        {
            if (lobby.Id == LobbyID)
            {
                await lobby.Join();
                return;
            }
        }
    }

[wind lion]

it used to only show one but now it shows like 50 i dont know what changed.

[hasty sapphire]

That's weird. Should be a max of 7. I'll install it this evening and see what I come up with

[wind lion]

I’m saying how many there are without the filter.

[hasty sapphire]

oh, 50 might be the default max if its not otherwise specified. There would be way more than 50 space war lobbies active at any given time

[wind lion]

i fully understand that but what i don't understand is A. why all of them have lobby.Owner.Name as null B. why before it only had 1?

[wind lion]

btw i know destroying all the buttons and spawning them back is a bad idea so is there somewhere where it updates only when there's a new one please tell me.

[hasty sapphire]

I don't know how much info Steam gives you from a lobby query. You might a have to get that data from the lobby individually after you query them

It's perfectly fine to destroy and recreate those buttons as long as its not happening every frame.

[wind lion]

it's happening every frame... it's because i want to have the lobby list update as soon as it can.

[hasty sapphire]

oh don't do that. I'm surprised there is not a rate limit for Queries.

[wind lion]

weirdly when normally selecting something thats being destroyed and recreated every frame it normally has weird selection issues but not with mine for some reason? its like its not actually being destroyed every frame.

[wind lion]

even weirder is that for the first 15 seconds it appears to have to large list of random lobbies and then they all disappear i have not yet been able to test whether it'll now only show my lobbies or not.

[hasty sapphire]

It has no way of knowing which lobbies are yours. That is what the app it is for. There is WithKeyValue() you could use to filter

[wind lion]

what does key value mean like can i have all my lobbys use a certain key value and filter it like that if so how?

[hasty sapphire]

Looks like there is a lobby.SetData() function you can use

[wind lion]

THX so much that fixed it!

[wind lion]

hey can i have some help with having each player have there own bool. i need it for the lobby system.

[dreamy granite]

you mean a network list of player data?

[hasty sapphire]

Lobby.SetMemberData()
https://wiki.facepunch.com/steamworks/Data.Lobby.SetMemberData

If you are already connected to the host then you can use a NetworkVariable bool

[wind lion]

i still have that thing where none of the lobbies have name and i cant join them?

[dreamy granite]

you're using 480 ID steam id meaning you will never find the lobby you made and those lobbies will remain without name as those lobbies use their own custom data to read and write lobby names

for now just connect to the lobby using the generated lobby id which you copy paste to your clipboard

[hasty sapphire]

Lobbies do not have names by default.

[wind lion]

sorry i'm doing lobby.owner.name as the lobby name

[hasty sapphire]

man, steamworks is kind of a mess. Looks like you can't get much lobby info from a lobby you haven't joined
https://github.com/Facepunch/Facepunch.Steamworks/issues/238

[wind lion]

Well I do know you can get the id without joining.

[dreamy granite]

not only that, you literally need to "nuke" the lobby else players could join a corrupt lobby

[wind lion]

i fixed joining the lobby. any tips when starting with voicechat?

[dreamy granite]

i use dissonance, and I don’t think building one from ground up is a smart idea

[wind lion]

ok... i will use dissonance in the future but for now what would be a good way to start i am trying to use this guys script

https://discussions.unity.com/t/example-voicechat-with-unet-and-steamworks/670554/49

[wind lion]

also can you guide me through the steps of using sandboxie because setting it up with my friend every time just for me to find a new bug is painfull.

[wind lion]

btw thx so much for your help i wouldn't be able to make this without you.

[dreamy granite]

i think chatgpt can help there too with a simple guide, like 90% of the things there you do not use

[wind lion]

sorry im anti-AI.

[wind lion]

i was sceptical on buying a £80 asset but i found out that if a join unitys mailing list i can get 25% off any asset!

[dreamy granite]

you can always use sales to get up to 50% off on most assets

[hasty sapphire]

Vivox is good for voice chat as well. But that's getting off topic

[wind lion]

hey for some reason my code to join a lobby which i attach to a script doesn't work?

button.GetComponentInChildren<Button>().onClick.AddListener(() => { JoinLobby(lobby.Id); });

    public async void JoinLobby(ulong LobbyID)
    {
        Lobby[] lobbies = await SteamMatchmaking.LobbyList.WithSlotsAvailable(0).WithKeyValue("Uber Gamer Key", "Value Thingy").RequestAsync();

        foreach (Lobby lobby in lobbies)
        {
            if (lobby.Id == LobbyID) // LobbyID
            {
                await lobby.Join();
                return;
            }
        }
    }

[hasty sapphire]

Why are you querying the lobby if you already have the lobby id?

[wind lion]

if your asking how the lobby list works here's how

foreach (Lobby lobby in lobbies)
        {
            GameObject button = Instantiate(LobbyButton, LobbyHolder.transform);
       
            button.GetComponentInChildren<TextMeshProUGUI>().text = lobby.Owner.Name.ToString() + "'s Lobby";
            
            button.GetComponentInChildren<Button>().onClick.AddListener(() => { JoinLobby(lobby.Id); });
            
        }

[hasty sapphire]

You don't need the JoinLobby() function there at all. All it needs to do is call lobby.Join(). You are looping through the lobbies again for no reason

[wind lion]

could you guide me through using sandboxie? like how to load steam in it and run my game etc.

[wind lion]

Thx so much that worked! sry for the late reply.

[dreamy granite]

Nothing special than just drag and drop icons into the field, it just asks which box to use, you can use the default one and done

[wind lion]

so when i start the game the client doesn't load the right scene?

[hasty sapphire]

The client will load whatever scene the host is in when it connects.

[wind lion]

ok. i got the scene loading but with my player spawner it only spawns the host?

public override void OnNetworkSpawn()
    {
        NetworkManager.Singleton.SceneManager.OnLoadEventCompleted += SceneLoaded;
    }

    private void SceneLoaded(string sceneName, LoadSceneMode loadSceneMode, List<ulong> clientsCompleted, List<ulong> clientsTimedOut)
    {
        if (sceneName == "Gameplay") // IsHost && 
        {
            foreach (ulong id in clientsCompleted)
            {
                GameObject player = Instantiate(Player);
                player.GetComponent<NetworkObject>().SpawnAsPlayerObject(id, true);
             
                player.transform.position = SpawnPoints[(int)id];
            }
        }
    }

[wind lion]

any idea why my players aren't spawing for the client also i checked and it doesn't even spawn the host now?!

[hasty sapphire]

It's probably a timing issue. If the host is loading the scene by itself, then OnLoadEventCompleted has already been called by the time OnNetworkSpawn() runs. I don't know if it gets called again after each client joins.

[wind lion]

how would i fix server-authoritative player movement being laggy?

[wind lion]

i really want my game to be server-authoritative but the lag for the clients is unbearable.

[dreamy granite]

client side prediction, also reduce the amount of traffic on the server, most things can be calculated on the client like rotation of hand using positional data etc

[hasty sapphire]

That is whole other topic and there is no easy fix for it. But yea, you'll want to look up client prediction. NGO has Client Anticipation but its a bit tricky to use if you also use physics to move

[opal mango]

Is anyone familiar with steam OSS in unreal Engine 5 I tried creating multiplayer logic with the steam advanced sessions plugin and I almost created it successfully but when I tried it with my friend using the steam's dev app id we can invite each other and join each other but we aren't actually going into each other's sessions if anyone knows the fix please lemme help would be appreciated

[hasty sapphire]

I'm not sure how much help you can get for Unreal on the Unity server.

[opal mango]

Umm yeah but maybe there is some crazy developer who is good at both can help (i am living in delusional world again)

[wind lion]

i'm trying to make a quit function that works for clients and hosts, for hosts it needs to also load every other player out.

NetworkManager.Singleton.SceneManager.LoadScene("Lobby Scene", LoadSceneMode.Single);
        
LobbySaver.instance.currentLobby?.Leave();
LobbySaver.instance.currentLobby = null;
NetworkManager.Singleton.Shutdown();

[hasty sapphire]

You would just need the host to call NetworkManager Shutdown() then in either OnClientDisconnectCallback or OnConnectionEvent you can call your lobby.Leave() function

[wind lion]

how would i stop another networkmanager spawning when going back to the main menu?

[hasty sapphire]

What I do is have a empty bootstrap scene with just a network manager or other init scripts like for steam or UGS log in then automatically load the main menu.

[wind lion]

ahh... that was in that tutorial metioned further up. ok ill do that then.

[wind lion]

ok. i'm having trouble setting a network objects ownership and i don't know why i've tried using ServerRpc i've tried to only set the owner if it's the host etc. but i always get the error only host can set ownership?

[hasty sapphire]

This should probably be separate thread, but make sure the RPC is on a network behavior and the network object is spawned

[wind lion]

but

[ServerRpc]
public void SetOwnerServerRpc(GameObject obj)
{
    obj.GetComponent<NetworkObject>().ChangeOwnership(GetComponent<NetworkObject>().OwnerClientId);
}
``` doesn't work for me? it just says Unity.Netcode.Editor.CodeGen.NetworkBehaviourILPP: error  - SetOwnerServerRpc - Don't know how to deserialize 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.

[hasty sapphire]

you can not send a gameobject in an RPC. It will need to be a NetworkObjectReference

[wind lion]

ok that worked but i'm trying out this video on picking up and dropping its meant for fishnet but i don't know how to alter it to work with netcode: https://www.youtube.com/watch?v=HC8BPjZDXaA

[ServerRpc(RequireOwnership = false)]
    void GrabObjServerRpc(GameObject obj, Vector3 Pos, Quaternion Rot, GameObject player)
    {
        GrabObjClientRpc(obj, Pos, Rot, player);
    }
    [ClientRpc]
    void GrabObjClientRpc(GameObject obj, Vector3 Pos, Quaternion Rot, GameObject player)
    {
        obj.transform.position = Pos;
        obj.transform.rotation = Rot;
        obj.transform.SetParent(player.transform);

        obj.GetComponent<Rigidbody>().isKinematic = true;
    }
``` also i'm sorry if im bombarding you with questions but unity netcode is really undocumented. (or i'm just bad at finding the solution)

[hasty sapphire]

Check out the ClientDriven bitesized sample

[wind lion]

hey i'm getting so close to it working but for some reason even tho i'm the owner of the object i cannot set it to kinematic?

[hasty sapphire]

If you are using the latest version of NGO, then there is a checkbox for automatically setting kinematic on the Network Rigidbody

Yea. you would either have to remove the network rigidbody from the prefab or uncheck that box I mentioned

[wind lion]

THX SO much i turned the auto kinematic state off and that worked!

[wind lion]

ugghh i am so bad at this multiplayer stuff i can't even set the local position of the object back to zero?!

[hasty sapphire]

if you changed ownership then the new owner will have to change the local position

[wind lion]

Do you know when it’s next on sale? I would really think that it would be on sale in summer.

[hasty sapphire]

If you are looking for voice chat, I would give Vivox a look.

[wind lion]

Does it work with steamworks?

[hasty sapphire]

Sure. they are separate services that don't interact at all

I forgot there is also Steam Voice you can use.

Here is some code for it if you are using Facepunch
https://github.com/Facepunch/Facepunch.Steamworks/issues/261

[wind lion]

yeah i'm using facepunch.

[wind lion]

is there a clientRPC that ignores the owner?

[hasty sapphire]

You can use [Rpc(SendTo.NotMe)]