MMO Starter Kit

[CodeSpartan]

Hi, is there any way to pack AndroidClient using that files?

Some people have reported to have successfully packed it on android, yes.

[yskwork]

Use Steam,how to set Dedicated Server

[CodeSpartan]

Use Steam,how to set Dedicated Server

I don't understand the question exactly. Do you want to use steam API to launch dedicated servers or do you want to know how to launch the dedicated server once your project is relying on steam? If it's the former, I've got no experience with this. If it's the latter, the idea is to not use Steam on dedicated server at all. Personally I had a -nosteam parameter that I integrated into the engine sources and I launched dedicated servers with it.

[yskwork]

OK，no use OnlineSubsystemSteam,how to get SteamID and account name

CSteamID from Player State

#include "steam/steam_api.h"
#include "steam/isteamuser.h"
#include "steam/isteamutils.h"

if(PlayerState)
{
CSteamID TheSteamifiedPlayerID(*(uint64*)PlayerState->UniqueId->GetBytes());
}


How to add to the project

[CodeSpartan]

OK，no use OnlineSubsystemSteam,how to get SteamID and account name

CSteamID from Player State

#include "steam/steam_api.h"
#include "steam/isteamuser.h"
#include "steam/isteamutils.h"

if(PlayerState)
{
CSteamID TheSteamifiedPlayerID(*(uint64*)PlayerState->UniqueId->GetBytes());
}


How to add to the project

On Client, you do use Steam. You get your steamid like this:


When the player logs in, he sends his SteamSessionTicket to php scripts, which verify that he owns the game. To get the ticket, do this:

FString UMMOUtility::GetSteamSessionTicket(int32 LocalUserNum)
{
    IOnlineIdentityPtr Identity = Online::GetIdentityInterface();

    if (!Identity.IsValid())
    {
        return TEXT("Identity interface not found");
    }

    return Identity->GetAuthToken(LocalUserNum);
}

On the PHP side of things, this is how you check if the player with this session ticket owns your game:

$mydata = json_decode(file_get_contents('php://input'));

$auth_token = $mydata ->auth_token;

$curl = curl_init();

// ask steam_api if this user has this game
curl_setopt_array($curl, array(
    CURLOPT_RETURNTRANSFER => 1,
    CURLOPT_URL => 'https://partner.steam-api.com/ISteamUserAuth/AuthenticateUserTicket/v0001/?format=json&key=YOUR_PARTNER_KEY&appid=YOUR_APP_ID&ticket='.$auth_token,
    CURLOPT_USERAGENT => 'Codular Sample cURL Request',
    CURLOPT_CONNECTTIMEOUT => 0,  //timeout in seconds (0 - indefinitely)
    CURLOPT_TIMEOUT => 400  //timeout in seconds
));
// Send the request & save response to $resp
$response = curl_exec($curl);

$response = str_replace ("\n", "", $response);
$response = str_replace ("\t", "", $response);
$json = json_decode($response, true);

// Close request to clear up some resources
curl_close($curl);

if ($json['response']['params']['result']=="OK")
{    
    $steamid = $json['response']['params']['steamid'];

    // now you have his steamid from SteamAPI, so you know it's the real one
    // if the player's steam account does own the game, the php script creates a sort of a cookie in DB and sends it back to player as well

In the example above you need to replace YOUR_APP_ID with something like 712571 and YOUR_PARTNER_KEY with something like 91DFF2F2FF1D526D45DD3BC193F193D2. It's a key that you have to generate on the partner.steamgames.com, I don't remember where exactly. You can contact steam support if you can't find where to generated it, because I remember it was well hidden when I had to find it last time. And it resembles some other key, but it's not it. To check if your key is correct, just paste the link with parameters in your browser and see what the result is.

When the server has to authenticate the player, it checks whether the cookie the player is sending corresponds to the one in db.

Regarding your code, this is how you get SteamID, although you don't need it on Client, because sending it to server would be unreliable:

PlayerController->PlayerState->UniqueId->ToString(); // gets you steamid that starts with 765....

[yskwork]

UE4 Report errors,why

[CodeSpartan]

Some includes are obviously missing.

#include "Online.h"
#include "OnlineIdentityInterface.h"

[yskwork]

1，ok, how to get Steam account name
2，PHP Report errors,why

[CodeSpartan]

It's a scope problem. You declare the variable in one scope, but want to access it in another, where it's not accessible. I recommend you to go through at least one basic php tutorial before continuing.

[yskwork]

Thank you very much!

[KhxiSaki]

Hey CodeSpartan I Have A Problem Regarding TheLauncher/Auto Updater I get the gameupdater.exe working but whenever i launch the launcher i get this errors"one or more error has occured" i looked at doc and it said i do not have hash.xml but i do have it and it said try to adjust the permission.i dont know what should i adjust..do u have skype?

[yskwork]

Can not get auth_token,why

without using Online Subsystem Steam (plugin)

[KhxiSaki]

It's a scope problem. You declare the variable in one scope, but want to access it in another, where it's not accessible. I recommend you to go through at least one basic php tutorial before continuing.

Hey CodeSpartan I Have A Problem Regarding The Launcher/AutoUpdater When I Launch The Launcher I Got This Error "One Or More Error Has Occured" I Have The hash.xml but it still said i have error

[CodeSpartan]

Can not get auth_token,why

without using Online Subsystem Steam (plugin)

I don't understand why you're trying to get a steam ticket without steam. That's impossible. You need to have steam enabled on Client.

Hey CodeSpartan I Have A Problem Regarding The Launcher/AutoUpdater When I Launch The Launcher I Got This Error "One Or More Error Has Occured" I Have The hash.xml but it still said i have error

Can't even venture a guess. You need to launch it through visual studio in debug mode to find out the reason. The sources are provided.

[yskwork]

If using Online Subsystem Steam (plugin) ,Client Unable to connect dedicated server ，why

My project/Config DefaultEngine

[/Script/HardwareTargeting.HardwareTargetingSettings]
TargetedHardwareClass=Desktop
AppliedTargetedHardwareClass=Desktop
DefaultGraphicsPerformance=Maximum
AppliedDefaultGraphicsPerformance=Maximum

[/Script/Engine.GameEngine]
!NetDriverDefinitions=ClearArray
+NetDriverDefinitions=(DefName="GameNetDriver",DriverClassName="OnlineSubsystemSteam.SteamNetDriver",DriverClassNameFallback="OnlineSubsystemUtils.IpNetDriver")

[OnlineSubsystem]
DefaultPlatformService=Steam
PollingIntervalInMs=20
bHasVoiceEnabled=true

[OnlineSubsystemSteam]
bEnabled=true
SteamDevAppId=480
GameServerQueryPort=27015
bRelaunchInSteam=false
GameVersion=1.0.0.0
bVACEnabled=1
bAllowP2PPacketRelay=true
P2PConnectionTimeout=90

[Voice]
bEnabled=true
[Core.Log]
LogNet=verbose
LogOnline=verbose
LogVoice=verbose
[/Script/OnlineSubsystemSteam.SteamNetDriver]
NetConnectionClassName="/Script/OnlineSubsystemSteam.SteamNetConnection"