Add **Web platform with Emscripten**

Source/Editor/Cooker/Platform/Web/WebPlatformTools.cpp

@@ -0,0 +1,60 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+#if PLATFORM_TOOLS_WEB
+
+#include "WebPlatformTools.h"
+#include "Engine/Platform/File.h"
+#include "Engine/Platform/FileSystem.h"
+#include "Engine/Platform/Web/WebPlatformSettings.h"
+#include "Engine/Core/Config/GameSettings.h"
+#include "Engine/Core/Config/BuildSettings.h"
+#include "Engine/Content/Content.h"
+#include "Engine/Content/JsonAsset.h"
+#include "Engine/Graphics/PixelFormatExtensions.h"
+
+IMPLEMENT_SETTINGS_GETTER(WebPlatformSettings, WebPlatform);
+
+const Char* WebPlatformTools::GetDisplayName() const
+{
+    return TEXT("Web");
+}
+
+const Char* WebPlatformTools::GetName() const
+{
+    return TEXT("Web");
+}
+
+PlatformType WebPlatformTools::GetPlatform() const
+{
+    return PlatformType::Web;
+}
+
+ArchitectureType WebPlatformTools::GetArchitecture() const
+{
+    return ArchitectureType::x86;
+}
+
+DotNetAOTModes WebPlatformTools::UseAOT() const
+{
+    return DotNetAOTModes::MonoAOTStatic;
+}
+
+PixelFormat WebPlatformTools::GetTextureFormat(CookingData& data, TextureBase* texture, PixelFormat format)
+{
+    // TODO: texture compression for Web (eg. ASTC for mobile and BC for others?)
+    return PixelFormatExtensions::FindUncompressedFormat(format);
+}
+
+bool WebPlatformTools::IsNativeCodeFile(CookingData& data, const String& file)
+{
+    String extension = FileSystem::GetExtension(file);
+    return extension.IsEmpty() || extension == TEXT("html") || extension == TEXT("js") || extension == TEXT("wams");
+}
+
+bool WebPlatformTools::OnPostProcess(CookingData& data)
+{
+    // TODO: customizable HTML templates
+    return false;
+}
+
+#endif