Add support for allowing Unity to build the project on unsupported pl…

…atforms

This doesn't mean that UWB will run on them!

src/Packages/UnityWebBrowser/Runtime/Core/WebBrowserClient.cs

@@ -265,6 +265,13 @@ internal WebBrowserClient()
         /// <exception cref="FileNotFoundException"></exception>
         internal void Init()
         {
+            if (!WebBrowserUtils.IsRunningOnSupportedPlatform())
+            {
+                logger.Warn("UWB is not supported on the current runtime platform! Not running.");
+                Dispose();
+                return;
+            }
+
             //Get the path to the UWB process we are using and make sure it exists
             string browserEnginePath = WebBrowserUtils.GetBrowserEngineProcessPath(engine);
             logger.Debug($"Starting browser engine process from '{browserEnginePath}'...");
@@ -949,6 +956,9 @@ private void ReleaseResources()
             }
 
             //Dispose of buffers
+            if (resizeLock == null)
+                return;
+
             lock (resizeLock)
             {
                 if (nextTextureData.IsCreated)

src/Packages/UnityWebBrowser/Runtime/Editor/EngineManagement/EngineManagerPostprocess.cs

@@ -5,6 +5,7 @@
 
 #if UNITY_EDITOR
 
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
@@ -32,7 +33,16 @@ public void OnPostprocessBuild(BuildReport report)
 #endif
 
             BuildTarget buildTarget = report.summary.platform;
-            Platform buildPlatform = buildTarget.UnityBuildTargetToPlatform();
+            Platform buildPlatform;
+            try
+            {
+                buildPlatform = buildTarget.UnityBuildTargetToPlatform();
+            }
+            catch (ArgumentOutOfRangeException)
+            {
+                Debug.LogWarning("UWB engine will not be copied! Unsupported platform.");
+                return;
+            }
 
             string buildFullOutputPath = report.summary.outputPath;
             string buildAppName = Path.GetFileNameWithoutExtension(buildFullOutputPath);

src/Packages/UnityWebBrowser/Runtime/Helper/WebBrowserUtils.cs

@@ -18,6 +18,7 @@
 using System;
 using System.Diagnostics;
 using System.IO;
+using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Threading;
 using Unity.Collections;
@@ -41,6 +42,15 @@ namespace VoltstroStudios.UnityWebBrowser.Helper
     [Preserve]
     public static class WebBrowserUtils
     {
+        private static RuntimePlatform[] supportedPlatforms = new[]
+        {
+            RuntimePlatform.WindowsPlayer,
+            //RuntimePlatform.WindowsEditor,
+            RuntimePlatform.LinuxPlayer,
+            RuntimePlatform.LinuxEditor,
+            RuntimePlatform.OSXEditor
+        };
+
         /// <summary>
         ///     Gets the main directory where logs and cache may be stored
         /// </summary>
@@ -71,6 +81,8 @@ public static string GetBrowserEnginePath(Engine engine)
             return Path.GetFullPath($"{Application.dataPath}/Resources/Data/UWB/");
 #elif UNITY_STANDALONE
 		    return Path.GetFullPath($"{Application.dataPath}/UWB/");
+#else       //Unsupported platform, UWB shouldn't run anyway
+            return null;
 #endif
         }
 
@@ -137,6 +149,15 @@ public static bool GetScreenPointToLocalPositionDeltaOnImage(Graphic graphic, Ve
 
             return true;
         }
+
+        /// <summary>
+        ///     Checks if UWB is running on a supported platform
+        /// </summary>
+        /// <returns></returns>
+        public static bool IsRunningOnSupportedPlatform()
+        {
+            return supportedPlatforms.Any(x => x == UnityEngine.Device.Application.platform);
+        }
 
         /// <summary>
         ///     Converts a <see cref="Color32" /> to hex
@@ -208,24 +229,5 @@ internal static void SetAllTextureColorToOne(Texture2D texture, Color32 color)
             texture.SetPixels32(colors);
             texture.Apply();
         }
-
-        /// <summary>
-        ///     Copies a <see cref="ReadOnlyMemory{T}" /> to a <see cref="NativeArray{T}" />
-        /// </summary>
-        /// <param name="copyFrom"></param>
-        /// <param name="copyTo"></param>
-        /// <param name="token"></param>
-        [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        internal static void CopySpanToNativeArray<T>(ReadOnlySpan<T> copyFrom, NativeArray<T> copyTo,
-            CancellationToken token) where T : struct
-        {
-            for (int i = 0; i < copyFrom.Length; i++)
-            {
-                if (token.IsCancellationRequested)
-                    return;
-
-                copyTo[i] = copyFrom[i];
-            }
-        }
     }
 }

src/Packages/UnityWebBrowser/Runtime/VoltstroStudios.UnityWebBrowser.asmdef

@@ -9,10 +9,26 @@
         "UniTask"
     ],
     "includePlatforms": [
+        "Android",
         "Editor",
+        "EmbeddedLinux",
+        "GameCoreScarlett",
+        "GameCoreXboxOne",
+        "iOS",
         "LinuxStandalone64",
+        "CloudRendering",
+        "Lumin",
         "macOSStandalone",
-        "WindowsStandalone64"
+        "PS4",
+        "PS5",
+        "Stadia",
+        "Switch",
+        "tvOS",
+        "WSA",
+        "WebGL",
+        "WindowsStandalone32",
+        "WindowsStandalone64",
+        "XboxOne"
     ],
     "excludePlatforms": [],
     "allowUnsafeCode": false,

src/UnityWebBrowser.UnityProject/Assets/Scripts/UWBPrjDebugUI.cs

@@ -55,6 +55,10 @@ private void Start()
             unformattedConsoleItems = new List<string> { startMessage };
             formattedConsoleItems = new List<string> { startMessage };
             popups = new List<WebBrowserPopupInfo>();
+
+            if(webBrowserUIBasic.browserClient.HasDisposed)
+                return;
+
             webBrowserUIBasic.browserClient.processLogHandler.OnProcessOutputLog += HandleOutputLogMessage;
             webBrowserUIBasic.browserClient.processLogHandler.OnProcessErrorLog += HandleErrorLogMessage;
 
@@ -90,6 +94,9 @@ private void Start()
 
         private void Update()
         {
+            if(webBrowserUIBasic.browserClient.HasDisposed)
+                return;
+
             fps = (int)(1f / Time.unscaledDeltaTime);
 
             if (!(Time.unscaledTime > timer)) return;
@@ -103,6 +110,9 @@ private void Update()
         private void OnDestroy()
         {
             UImGuiUtility.Layout -= OnImGuiLayout;
+
+            if(webBrowserUIBasic.browserClient.HasDisposed)
+                return;
 
             getPixelsMarker.Dispose();
             applyTextureMarker.Dispose();
@@ -113,6 +123,9 @@ private void OnImGuiLayout(UImGui.UImGui uImGui)
             if(hide)
                 return;
 
+            if(webBrowserUIBasic.browserClient.HasDisposed)
+                return;
+
             ImGui.Begin("UWB Debug UI");
             {
                 if (!webBrowserUIBasic.browserClient.ReadySignalReceived || webBrowserUIBasic.browserClient.HasDisposed)