4.0.0

- Fish-Networking 4.0.0 support.
- Added check to prevent Shutdown from calling multiple times without a prior initialization.
- Removed SteamAppId field; this should be handled by third party softwares.

FishNet/Plugins/FishySteamworks/CHANGELOG.txt

@@ -1,3 +1,8 @@
+4.0.0	
+	- Fish-Networking 4.0.0 support.
+	- Added check to prevent Shutdown from calling multiple times without a prior initialization.
+	- Removed SteamAppId field; this should be handled by third party softwares.
+
 2.1.2
 	- Added deinitializer to FishySteamworks.
 
@@ -9,7 +14,7 @@
 	- Fixed ClientId 32767 not found error when being used with Multipass.
 
 1.7.0
-	- Fish-Networking 2.0.0 Support
+	- Fish-Networking 2.0.0 support
 
 1.6.0
 	- GetConnectionAddress now works for clientHost as well.

FishNet/Plugins/FishySteamworks/FishySteamworks.cs

@@ -26,12 +26,6 @@ public class FishySteamworks : Transport
 
         #region Serialized.
         /// <summary>
-        /// Steam application Id.
-        /// </summary>
-        [Tooltip("Steam application Id.")]
-        [SerializeField]
-        private ulong _steamAppID = 480;
-        /// <summary>
         /// Address server should bind to.
         /// </summary>
         [Tooltip("Address server should bind to.")]
@@ -81,6 +75,10 @@ public class FishySteamworks : Transport
         /// Server for the transport.
         /// </summary>
         private Server.ServerSocket _server;
+        /// <summary>
+        /// True if shutdown had been called, and not initializing nor initialized.
+        /// </summary>
+        private bool _shutdownCalled = true;
         #endregion
 
         #region Const.
@@ -99,7 +97,6 @@ public override void Initialize(NetworkManager networkManager, int transportInde
             _server = new Server.ServerSocket();
 
             CreateChannelData();
-            WriteSteamAppId();
             _client.Initialize(this);
             _clientHost.Initialize(this);
             _server.Initialize(this);
@@ -127,35 +124,6 @@ private void CreateChannelData()
                 1200
             };
         }
-        /// <summary>
-        /// Writes SteamAppId to file.
-        /// </summary>
-        private void WriteSteamAppId()
-        {
-            string fileName = "steam_appid.txt";
-            string appIdText = _steamAppID.ToString();
-            try
-            {
-                if (File.Exists(fileName))
-                {
-                    string content = File.ReadAllText(fileName);
-                    if (content != appIdText)
-                    {
-                        File.WriteAllText(fileName, appIdText);
-                        Debug.Log($"SteamId has been updated from {content} to {appIdText} within {fileName}.");
-                    }
-                }
-                else
-                {
-                    File.WriteAllText(fileName, appIdText);
-                    Debug.Log($"SteamId {appIdText} has been set within {fileName}.");
-                }
-            }
-            catch (Exception ex)
-            {
-                Debug.LogError($"There was an exception when trying to write {appIdText} to {fileName}: {ex.Message}");
-            }
-        }
 
         /// <summary>
         /// Tries to initialize steam network access.
@@ -165,12 +133,13 @@ private bool InitializeRelayNetworkAccess()
             try
             {
 #if UNITY_SERVER
-            SteamGameServerNetworkingUtils.InitRelayNetworkAccess();
+                SteamGameServerNetworkingUtils.InitRelayNetworkAccess();
 #else
                 SteamNetworkingUtils.InitRelayNetworkAccess();
                 if (IsNetworkAccessAvailable())
                     LocalUserSteamID = SteamUser.GetSteamID().m_SteamID;
 #endif
+                _shutdownCalled = false;
                 return true;
             }
             catch
@@ -434,6 +403,10 @@ public override bool StopConnection(int connectionId, bool immediately)
         /// </summary>
         public override void Shutdown()
         {
+            if (_shutdownCalled)
+                return;
+
+            _shutdownCalled = true;
             //Stops client then server connections.
             StopConnection(false);
             StopConnection(true);