Add various fixes for Web

Source/Engine/Level/Level.cpp

@@ -428,7 +428,9 @@ void LevelService::LateFixedUpdate()
 
 void LevelService::Dispose()
 {
+    // End scene actions
     ScopeLock lock(_sceneActionsLocker);
+    _sceneActions.ClearDelete();
 
     // Unload scenes
     unloadScenes();

Source/Engine/Platform/Base/StringUtilsBase.cpp

@@ -357,6 +357,8 @@ StringView StringUtils::GetPathWithoutExtension(const StringView& path)
 void StringUtils::PathRemoveRelativeParts(String& path)
 {
     FileSystem::NormalizePath(path);
+    if (path.Length() == 1 && path[0] == TEXT('/'))
+        return;
 
     Array<String> components;
     path.Split(TEXT('/'), components);

Source/Engine/Platform/Base/ThreadBase.cpp

@@ -45,6 +45,11 @@ void ThreadBase::Kill(bool waitForJoin)
     if (!_isRunning)
     {
         ClearHandleInternal();
+        if (_callAfterWork)
+        {
+            _callAfterWork = false;
+            _runnable->AfterWork(true);
+        }
         return;
     }
     ASSERT(GetID());

Source/Engine/Platform/Unix/UnixThread.cpp

@@ -1,6 +1,6 @@
 // Copyright (c) Wojciech Figat. All rights reserved.
 
-#if PLATFORM_UNIX
+#if PLATFORM_UNIX && !PLATFORM_WEB
 
 #include "UnixThread.h"
 #include "Engine/Core/Log.h"

Source/Engine/Platform/Unix/UnixThread.h

@@ -2,7 +2,7 @@
 
 #pragma once
 
-#if PLATFORM_UNIX
+#if PLATFORM_UNIX && !PLATFORM_WEB
 
 #include "Engine/Platform/Base/ThreadBase.h"
 #include <pthread.h>

Source/Engine/Platform/Web/WebPlatform.cpp

@@ -7,7 +7,6 @@
 #include "Engine/Core/Log.h"
 #include "Engine/Core/Types/String.h"
 #include "Engine/Core/Types/Version.h"
-#include "Engine/Core/Types/TimeSpan.h"
 #include "Engine/Core/Types/Guid.h"
 #include "Engine/Platform/CPUInfo.h"
 #include "Engine/Platform/MemoryStats.h"
@@ -52,7 +51,7 @@ MemoryStats WebPlatform::GetMemoryStats()
     MemoryStats result;
     result.TotalPhysicalMemory = emscripten_get_heap_max();
     result.UsedPhysicalMemory = emscripten_get_heap_size();
-    result.TotalVirtualMemory = result.TotalPhysicalMemory;
+    result.TotalVirtualMemory = 2ull * 1024 * 1024 * 1024; // Max 2GB
     result.UsedVirtualMemory = result.UsedPhysicalMemory;
     result.ProgramSizeMemory = 0;
     return result;

Source/Engine/Platform/Web/WebPlatform.h

@@ -77,7 +77,7 @@ public:
 #ifdef __EMSCRIPTEN_PTHREADS__
         return (uint64)pthread_self();
 #else
-        return 0;
+        return 1;
 #endif
     }
     static String GetSystemName();