Removed Unity 5 support

Author: TwoTenPvP

MLAPI/Data/NetworkingConfiguration.cs

@@ -32,7 +32,6 @@ public class NetworkingConfiguration
         public bool EncryptMessages = false;
         public bool AllowPassthroughMessages = true;
         public bool EnableSceneSwitching = false;
-        public bool UseLegacyChannel = false;
 
         //Cached config hash
         private byte[] ConfigHash = null;
@@ -74,7 +73,6 @@ public byte[] GetConfig(bool cache = true)
                     writer.Write(EncryptMessages);
                     writer.Write(AllowPassthroughMessages);
                     writer.Write(EnableSceneSwitching);
-                    writer.Write(UseLegacyChannel);
                 }
                 using(SHA256Managed sha256 = new SHA256Managed())
                 {

MLAPI/MonoBehaviours/Core/NetworkingManager.cs

@@ -106,15 +106,7 @@ private ConnectionConfig Init(NetworkingConfiguration netConfig)
             ConnectionConfig cConfig = new ConnectionConfig();
 
             //MLAPI channels and messageTypes
-
-            //Legacy channel. ReliableFragmentedSequenced doesn't exist in older Unity versions.
-            if(NetworkConfig.UseLegacyChannel)
-                NetworkConfig.Channels.Add("MLAPI_RELIABLE_FRAGMENTED_SEQUENCED", QosType.ReliableSequenced);
-#if !UNITY_5 //Unity 5.6 has confirmed to not have the ReliableFragmentedSequenced channel type.
-            else
-                NetworkConfig.Channels.Add("MLAPI_RELIABLE_FRAGMENTED_SEQUENCED", QosType.ReliableFragmentedSequenced);
-#endif
-
+            NetworkConfig.Channels.Add("MLAPI_RELIABLE_FRAGMENTED_SEQUENCED", QosType.ReliableFragmentedSequenced);
             NetworkConfig.Channels.Add("MLAPI_POSITION_UPDATE", QosType.StateUpdate);
             NetworkConfig.Channels.Add("MLAPI_ANIMATION_UPDATE", QosType.ReliableSequenced);
             MessageManager.messageTypes.Add("MLAPI_CONNECTION_REQUEST", 0);
@@ -179,18 +171,6 @@ private ConnectionConfig Init(NetworkingConfiguration netConfig)
             return cConfig;
         }
 
-#if UNITY_5
-        internal IEnumerator WaitForSceneSwitch(AsyncOperation operation, Action callback)
-        {
-            while(!operation.isDone)
-            {
-                yield return null;
-            }
-            callback();
-        }
-#endif
-
-
         public void StartServer(NetworkingConfiguration netConfig)
         {
             ConnectionConfig cConfig = Init(netConfig);

MLAPI/NetworkingManagerComponents/NetworkSceneManager.cs

@@ -47,15 +47,8 @@ public static void SwitchScene(string sceneName)
             isSwitching = true;
             lastScene = SceneManager.GetActiveScene();
             AsyncOperation sceneLoad = SceneManager.LoadSceneAsync(sceneName, LoadSceneMode.Additive);
-#if !UNITY_5
             sceneLoad.completed += OnSceneLoaded;
-#else
-            NetworkingManager.singleton.StartCoroutine(NetworkingManager.singleton.WaitForSceneSwitch(sceneLoad, () =>
-            {
-                //This block runs when scene switch is done.
-                OnSceneLoaded(sceneLoad);
-            }));
-#endif
+
             using(MemoryStream stream = new MemoryStream(4))
             {
                 using (BinaryWriter writer = new BinaryWriter(stream))
@@ -80,15 +73,7 @@ internal static void OnSceneSwitch(uint sceneIndex)
             }
             lastScene = SceneManager.GetActiveScene();
             AsyncOperation sceneLoad = SceneManager.LoadSceneAsync(sceneIndexToString[sceneIndex], LoadSceneMode.Additive);
-#if !UNITY_5
             sceneLoad.completed += OnSceneLoaded;
-#else
-            NetworkingManager.singleton.StartCoroutine(NetworkingManager.singleton.WaitForSceneSwitch(sceneLoad, () =>
-            {
-                //This block runs when scene switch is done.
-                OnSceneLoaded(sceneLoad);
-            }));
-#endif
         }
 
         private static void OnSceneLoaded(AsyncOperation operation)
@@ -101,15 +86,7 @@ private static void OnSceneLoaded(AsyncOperation operation)
                 SceneManager.MoveGameObjectToScene(objectsToKeep[i].gameObject, nextScene);
             }
             AsyncOperation sceneLoad = SceneManager.UnloadSceneAsync(lastScene);
-#if !UNITY_5
             sceneLoad.completed += OnSceneUnload;
-#else
-            NetworkingManager.singleton.StartCoroutine(NetworkingManager.singleton.WaitForSceneSwitch(sceneLoad, () =>
-            {
-                //This block runs when scene switch is done.
-                OnSceneUnload(sceneLoad);
-            }));
-#endif
         }
 
         private static void OnSceneUnload(AsyncOperation operation)