chore: Update minimal supported Unity version to 2021.3

Editor/Tools/NetworkedSimulationAnalyzer/ReplayFileManager.cs

@@ -1,4 +1,3 @@
-#if UNITY_2020_2_OR_NEWER
 using System.IO;
 using System.Linq;
 using System;
@@ -137,4 +136,3 @@ private static bool DeserializeServerData(BinaryReader br, TickListDisplayer tic
         }
     }
 }
-#endif

Editor/Tools/NetworkedSimulationAnalyzer/ServerAnalyzerController.cs

@@ -1,5 +1,4 @@
-#if UNITY_2020_2_OR_NEWER
-using System;
+using System;
 using UnityEditor;
 using UnityEditor.UIElements;
 using UnityEngine;
@@ -30,7 +29,7 @@ internal ServerAnalyzerController(VisualElement root)
             // pause toggle setup
             _pauseToggle = root.Q<ToolbarToggle>("pause-control");
             // because used element template contains useless element which have to be disabled - it takes up space!
-            _pauseToggle.Q<VisualElement>(classes: "unity-toggle__input").style.display = DisplayStyle.None; 
+            _pauseToggle.Q<VisualElement>(classes: "unity-toggle__input").style.display = DisplayStyle.None;
             _pauseToggle.SetEnabled(EditorApplication.isPlaying);
             _pauseToggle.RegisterValueChangedCallback(valueChangedEvent =>
             {
@@ -70,7 +69,7 @@ internal ServerAnalyzerController(VisualElement root)
             };
 
             _helpLink = root.Q<Label>("help-control");
-            _helpLink.RegisterCallback<MouseDownEvent> (e => 
+            _helpLink.RegisterCallback<MouseDownEvent> (e =>
             {
                 Application.OpenURL("https://docs.elympics.cc/testing-troubleshooting/networked-simulation-analyzer/");
             });
@@ -181,4 +180,3 @@ internal void ApplyLatestTickIfNeeded(bool force = false, bool reloadedPreLoadSt
         }
     }
 }
-#endif

Editor/Tools/NetworkedSimulationAnalyzer/ServerAnalyzerEditor.cs

@@ -1,5 +1,4 @@
-#if UNITY_2020_2_OR_NEWER
-using UnityEngine;
+using UnityEngine;
 using UnityEngine.UIElements;
 using UnityEditor;
 using System.Collections.Generic;
@@ -21,8 +20,8 @@ public class ServerAnalyzerEditor : EditorWindow, ITickAnalysis
         private TickListDisplayer _tickListDisplayer = null;
         private TickDataDisplayer _tickDataDisplayer = null;
         private ServerAnalyzerController _serverAnalyzerController = null;
-        
-        // TODO: find better way because its a bit dirty (maybe use change event from ElympicsConfig) 
+
+        // TODO: find better way because its a bit dirty (maybe use change event from ElympicsConfig)
         private bool closedForcefully = false;
 
         public bool Paused => _serverAnalyzerController?.Paused ?? false;
@@ -94,4 +93,3 @@ public void AddSnapshotToAnalysis(ElympicsSnapshotWithMetadata snapshot, List<El
         }
     }
 }
-#endif

Editor/Tools/NetworkedSimulationAnalyzer/ServerAnalyzerUtils.cs

@@ -1,4 +1,3 @@
-#if UNITY_2020_2_OR_NEWER
 using UnityEngine;
 
 namespace Elympics
@@ -39,4 +38,3 @@ public static string FormatFloatMilliseconds(float value)
         }
     }
 }
-#endif

Editor/Tools/NetworkedSimulationAnalyzer/TickDataDisplayer.cs

@@ -1,4 +1,3 @@
-#if UNITY_2020_2_OR_NEWER
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -152,4 +151,3 @@ private int SizeOfNetworkData(KeyValuePair<int, byte[]> item)
         }
     }
 }
-#endif

Editor/Tools/NetworkedSimulationAnalyzer/TickEntryData.cs

@@ -1,4 +1,3 @@
-#if UNITY_2020_2_OR_NEWER
 using System.Collections.Generic;
 using UnityEngine;
 
@@ -54,4 +53,3 @@ internal InputInfo(ElympicsSnapshotWithMetadata snapshot, int i)
         }
     }
 }
-#endif

Editor/Tools/NetworkedSimulationAnalyzer/TickEntryDisplayer.cs

@@ -1,4 +1,3 @@
-#if UNITY_2020_2_OR_NEWER
 using UnityEngine.UIElements;
 
 namespace Elympics
@@ -28,4 +27,3 @@ internal void SetTickEntryData(TickEntryData tickEntryData)
         }
     }
 }
-#endif

Editor/Tools/NetworkedSimulationAnalyzer/TickListDisplayer.cs

@@ -1,4 +1,3 @@
-#if UNITY_2020_2_OR_NEWER
 using System.Collections.Generic;
 using UnityEngine.UIElements;
 
@@ -34,11 +33,7 @@ internal TickListDisplayer(VisualElement root, VisualTreeAsset tickEntryTemplate
         private void InitializeTickList(VisualTreeAsset listEntryTemplate)
         {
             // Ensure proper displaying
-#if UNITY_2021_2_OR_NEWER
             _tickList.Q<ScrollView>().horizontalScrollerVisibility = ScrollerVisibility.Hidden;
-#else
-            _tickList.Q<ScrollView>().showHorizontal = false;
-#endif
 
             // Set up a make item function for a list entry
             _tickList.makeItem = () =>
@@ -70,25 +65,16 @@ private void InitializeTickList(VisualTreeAsset listEntryTemplate)
             _tickList.itemsSource = _allTicksData;
 
             // Set up list properties
-#if UNITY_2021_2_OR_NEWER
             _tickList.fixedItemHeight = TickEntryHeight;
             _tickList.Q<ScrollView>().verticalScrollerVisibility = ScrollerVisibility.AlwaysVisible;
-#else
-            _tickList.itemHeight = TickEntryHeight;
-#endif
         }
 
         internal void AddTick(ElympicsSnapshotWithMetadata snapshot)
         {
             _allTicksData.Add(new TickEntryData(snapshot, _tickDataDisplayer.IsBots.Length));
 
             // Refresh list visual state
-#if UNITY_2021_2_OR_NEWER
             _tickList.RefreshItems();
-#else
-            _tickList.Refresh();
-#endif
         }
     }
 }
-#endif

Runtime/BehaviourPredefined/ElympicsUnityPhysicsSimulator.cs

@@ -32,11 +32,7 @@ public void Initialize()
 			_currentPhysicsScene2D = currentScene.GetPhysicsScene2D();
 
 			Physics.autoSimulation = false;
-#if UNITY_2020_1_OR_NEWER
 			Physics2D.simulationMode = SimulationMode2D.Script;
-#else
-			Physics2D.autoSimulation = false;
-#endif
 		}
 
 		public void ElympicsUpdate()

Runtime/Tools/BuildTools.cs

@@ -36,11 +36,7 @@ public static class BuildTools
 			@"build target (was )?unsupported|LinuxStandalone|scripting backend (\(\w+\) )?(is )?not installed",
 			RegexOptions.IgnoreCase | RegexOptions.Compiled);
 		private const string MissingModuleErrorMessage =
-#if UNITY_2021_2_OR_NEWER
 			"Installation of Unity modules is required: Linux Build Support (Mono) and Linux Dedicated Server Build Support";
-#else
-			"Installation of Unity module is required: Linux Build Support (Mono)";
-#endif
 
 		public static void UpdateElympicsGameVersion(string newGameVersion)
 		{
@@ -111,12 +107,8 @@ private static bool BuildServer(string appName, BuildTarget target)
 					locationPathName = Path.Combine(ServerBuildPath, EngineSubdirectory, UnityBuildPath, appName),
 					targetGroup = buildTargetGroup,
 					target = target,
-#if UNITY_2021_2_OR_NEWER
 					subtarget = (int)StandaloneBuildSubtarget.Server,
-					options = BuildOptions.CompressWithLz4HC
-#else
-					options = BuildOptions.EnableHeadlessMode | BuildOptions.CompressWithLz4HC
-#endif
+					options = BuildOptions.CompressWithLz4HC,
 				};
 
 				var report = BuildPipeline.BuildPlayer(buildPlayerOptions);

Runtime/Util/UnityWebRequestExtension.cs

@@ -7,20 +7,12 @@ public static class UnityWebRequestExtension
 	{
 		public static bool IsConnectionError(this UnityWebRequest request)
 		{
-#if UNITY_2020_2_OR_NEWER
 			return request != null && request.result == UnityWebRequest.Result.ConnectionError;
-#else
-			return request != null && request.isNetworkError;
-#endif
 		}
 
 		public static bool IsProtocolError(this UnityWebRequest request)
 		{
-#if UNITY_2020_2_OR_NEWER
 			return request != null && request.result == UnityWebRequest.Result.ProtocolError;
-#else
-			return request != null && request.isHttpError;
-#endif
 		}
 
 		public static void SetTestCertificateHandlerIfNeeded(this UnityWebRequest request)

package.json

@@ -3,7 +3,7 @@
   "version": "0.7.3",
   "description": "Elympics is a complete toolset for multiplayer games. Learn more at https://elympics.cc/",
   "displayName": "Elympics",
-  "unity": "2019.4",
+  "unity": "2021.3",
   "author": {
     "name": "Elympics",
     "email": "hello@elympics.cc",
@@ -59,4 +59,4 @@
       "interactiveImport": true
     }
   ]
-}
+}