diff --git a/Source/Editor/Cooker/Platform/Android/AndroidPlatformTools.cpp b/Source/Editor/Cooker/Platform/Android/AndroidPlatformTools.cpp
index 8db294611..eb5469b47 100644
--- a/Source/Editor/Cooker/Platform/Android/AndroidPlatformTools.cpp
+++ b/Source/Editor/Cooker/Platform/Android/AndroidPlatformTools.cpp
@@ -229,7 +229,7 @@ bool AndroidPlatformTools::OnPostProcess(CookingData& data)
     }
 
     // Copy fresh Gradle project template
-    if (FileSystem::CopyDirectory(data.OriginalOutputPath, platformDataPath / TEXT("Project"), true))
+    if (FileSystem::CopyDirectory(data.OriginalOutputPath, platformDataPath / TEXT("Project")))
     {
         LOG(Error, "Failed to deploy Gradle project to {0} from {1}", data.OriginalOutputPath, platformDataPath);
         return true;
diff --git a/Source/Editor/Cooker/Platform/UWP/UWPPlatformTools.cpp b/Source/Editor/Cooker/Platform/UWP/UWPPlatformTools.cpp
index ebbf9840c..789b810e9 100644
--- a/Source/Editor/Cooker/Platform/UWP/UWPPlatformTools.cpp
+++ b/Source/Editor/Cooker/Platform/UWP/UWPPlatformTools.cpp
@@ -123,7 +123,7 @@ bool UWPPlatformTools::OnDeployBinaries(CookingData& data)
     const auto srcAssetsPath = uwpDataPath / TEXT("Assets");
     if (!FileSystem::DirectoryExists(dstAssetsPath))
     {
-        if (FileSystem::CopyDirectory(dstAssetsPath, srcAssetsPath, true))
+        if (FileSystem::CopyDirectory(dstAssetsPath, srcAssetsPath))
         {
             data.Error(TEXT("Failed to copy Assets directory."));
             return true;
diff --git a/Source/Editor/Cooker/Platform/iOS/iOSPlatformTools.cpp b/Source/Editor/Cooker/Platform/iOS/iOSPlatformTools.cpp
index a54676a64..45ea18ed2 100644
--- a/Source/Editor/Cooker/Platform/iOS/iOSPlatformTools.cpp
+++ b/Source/Editor/Cooker/Platform/iOS/iOSPlatformTools.cpp
@@ -203,7 +203,7 @@ bool iOSPlatformTools::OnPostProcess(CookingData& data)
         return true;
 
     // Copy fresh XCode project template
-    if (FileSystem::CopyDirectory(data.OriginalOutputPath, platformDataPath / TEXT("Project"), true))
+    if (FileSystem::CopyDirectory(data.OriginalOutputPath, platformDataPath / TEXT("Project")))
     {
         LOG(Error, "Failed to deploy XCode project to {0} from {1}", data.OriginalOutputPath, platformDataPath);
         return true;
diff --git a/Source/Editor/Cooker/Steps/DeployDataStep.cpp b/Source/Editor/Cooker/Steps/DeployDataStep.cpp
index b1a3201cd..84a36e5c6 100644
--- a/Source/Editor/Cooker/Steps/DeployDataStep.cpp
+++ b/Source/Editor/Cooker/Steps/DeployDataStep.cpp
@@ -156,12 +156,12 @@ bool DeployDataStep::Perform(CookingData& data)
                 FileSystem::CopyFile(dstDotnet / TEXT("THIRD-PARTY-NOTICES.TXT"), srcDotnet / TEXT("THIRD-PARTY-NOTICES.TXT"));
                 if (usAOT)
                 {
-                    failed |= EditorUtilities::CopyDirectoryIfNewer(dstDotnet, srcDotnet / TEXT("shared/Microsoft.NETCore.App") / version, true);
+                    failed |= EditorUtilities::CopyDirectoryIfNewer(dstDotnet, srcDotnet / TEXT("shared/Microsoft.NETCore.App") / version);
                 }
                 else
                 {
 #if 1
-                    failed |= EditorUtilities::CopyDirectoryIfNewer(dstDotnet / TEXT("host/fxr") / version, srcDotnet / TEXT("host/fxr") / version, true);
+                    failed |= EditorUtilities::CopyDirectoryIfNewer(dstDotnet / TEXT("host/fxr") / version, srcDotnet / TEXT("host/fxr") / version);
 #else
                     // TODO: hostfxr for target platform should be copied from nuget package location: microsoft.netcore.app.runtime.<RID>/<VERSION>/runtimes/<RID>/native/hostfxr.dll
                     String dstHostfxr = dstDotnet / TEXT("host/fxr") / version;
@@ -330,7 +330,7 @@ bool DeployDataStep::Perform(CookingData& data)
             data.Error(TEXT("Missing Mono runtime data files."));
             return true;
         }
-        if (FileSystem::CopyDirectory(dstMono, srcMono, true))
+        if (FileSystem::CopyDirectory(dstMono, srcMono))
         {
             data.Error(TEXT("Failed to copy Mono runtime data files."));
             return true;
@@ -416,7 +416,7 @@ bool DeployDataStep::Perform(CookingData& data)
     for (auto& e : buildSettings.AdditionalAssetFolders)
     {
         String path = FileSystem::ConvertRelativePathToAbsolute(Globals::ProjectFolder, e);
-        if (FileSystem::DirectoryGetFiles(files, path, TEXT("*"), DirectorySearchOption::AllDirectories))
+        if (FileSystem::DirectoryGetFiles(files, path))
         {
             data.Error(TEXT("Failed to find additional assets to deploy."));
             return true;
diff --git a/Source/Editor/Editor.cpp b/Source/Editor/Editor.cpp
index 09253851c..d0bfe2765 100644
--- a/Source/Editor/Editor.cpp
+++ b/Source/Editor/Editor.cpp
@@ -141,7 +141,7 @@ bool Editor::CheckProjectUpgrade()
         FileSystem::DeleteDirectory(tempSourceSetup);
         FileSystem::CreateDirectory(tempSourceSetup);
         Array<String> files;
-        FileSystem::DirectoryGetFiles(files, sourceFolder, TEXT("*"), DirectorySearchOption::AllDirectories);
+        FileSystem::DirectoryGetFiles(files, sourceFolder);
         bool useEditorModule = false;
         for (auto& file : files)
         {
@@ -159,7 +159,7 @@ bool Editor::CheckProjectUpgrade()
             FileSystem::CopyFile(tempSourceFile, file);
         }
         FileSystem::DeleteDirectory(sourceFolder);
-        FileSystem::CopyDirectory(sourceFolder, tempSourceSetup, true);
+        FileSystem::CopyDirectory(sourceFolder, tempSourceSetup);
         FileSystem::DeleteDirectory(tempSourceSetup);
 
         // Generate module files
@@ -364,7 +364,7 @@ bool Editor::BackupProject()
     LOG(Info, "Backup project to \"{0}\"", dstPath);
 
     // Copy everything
-    return FileSystem::CopyDirectory(dstPath, Globals::ProjectFolder, true);
+    return FileSystem::CopyDirectory(dstPath, Globals::ProjectFolder);
 }
 
 int32 Editor::LoadProduct()
diff --git a/Source/Editor/Utilities/EditorUtilities.h b/Source/Editor/Utilities/EditorUtilities.h
index 2357f995a..ed57d01ab 100644
--- a/Source/Editor/Utilities/EditorUtilities.h
+++ b/Source/Editor/Utilities/EditorUtilities.h
@@ -79,5 +79,5 @@ public:
     static bool ReplaceInFile(const StringView& file, const Dictionary<String, String, HeapAllocation>& replaceMap);
 
     static bool CopyFileIfNewer(const StringView& dst, const StringView& src);
-    static bool CopyDirectoryIfNewer(const StringView& dst, const StringView& src, bool withSubDirectories);
+    static bool CopyDirectoryIfNewer(const StringView& dst, const StringView& src, bool withSubDirectories = true);
 };
diff --git a/Source/Engine/Content/Content.cpp b/Source/Engine/Content/Content.cpp
index 92e1baf7b..37e77fa64 100644
--- a/Source/Engine/Content/Content.cpp
+++ b/Source/Engine/Content/Content.cpp
@@ -1067,7 +1067,7 @@ bool findAsset(const Guid& id, const String& directory, Array<String>& tmpCache,
 {
     // Get all asset files
     tmpCache.Clear();
-    if (FileSystem::DirectoryGetFiles(tmpCache, directory, TEXT("*"), DirectorySearchOption::AllDirectories))
+    if (FileSystem::DirectoryGetFiles(tmpCache, directory))
     {
         if (FileSystem::DirectoryExists(directory))
             LOG(Error, "Cannot query files in folder '{0}'.", directory);
diff --git a/Source/Engine/Platform/Android/AndroidFileSystem.cpp b/Source/Engine/Platform/Android/AndroidFileSystem.cpp
index f73048d5b..1cea6715e 100644
--- a/Source/Engine/Platform/Android/AndroidFileSystem.cpp
+++ b/Source/Engine/Platform/Android/AndroidFileSystem.cpp
@@ -167,18 +167,18 @@ bool AndroidFileSystem::DirectoryGetFiles(Array<String>& results, const String&
     return getFilesFromDirectoryAll(results, pathANSI.Get(), searchPatternANSI.Get());
 }
 
-bool AndroidFileSystem::GetChildDirectories(Array<String>& results, const String& directory)
+bool AndroidFileSystem::GetChildDirectories(Array<String>& results, const String& path)
 {
     size_t pathLength;
     struct stat statPath, statEntry;
     struct dirent* entry;
-    const StringAsANSI<> pathANSI(*directory, directory.Length());
-    const char* path = pathANSI.Get();
+    const StringAsANSI<> pathANSI(*path, path.Length());
+    const char* pathStr = pathANSI.Get();
 
     // Stat for the path
-    stat(path, &statPath);
+    stat(pathStr, &statPath);
 
-    // If path does not exists or is not dir - exit with status -1
+    // If path does not exist or is not dir - exit with status -1
     if (S_ISDIR(statPath.st_mode) == 0)
     {
         // Is not directory
@@ -186,7 +186,7 @@ bool AndroidFileSystem::GetChildDirectories(Array<String>& results, const String
     }
 
     // If not possible to read the directory for this user
-    DIR* dir = opendir(path);
+    DIR* dir = opendir(pathStr);
     if (dir == nullptr)
     {
         // Cannot open directory
@@ -194,7 +194,7 @@ bool AndroidFileSystem::GetChildDirectories(Array<String>& results, const String
     }
 
     // The length of the path
-    pathLength = strlen(path);
+    pathLength = strlen(pathStr);
 
     // Iteration through entries in the directory
     while ((entry = readdir(dir)) != nullptr)
@@ -204,20 +204,20 @@ bool AndroidFileSystem::GetChildDirectories(Array<String>& results, const String
             continue;
 
         // Determinate a full path of an entry
-        char full_path[256];
-        ASSERT(pathLength + strlen(entry->d_name) < ARRAY_COUNT(full_path));
-        strcpy(full_path, path);
-        strcat(full_path, "/");
-        strcat(full_path, entry->d_name);
+        char fullPath[256];
+        ASSERT(pathLength + strlen(entry->d_name) < ARRAY_COUNT(fullPath));
+        strcpy(fullPath, pathStr);
+        strcat(fullPath, "/");
+        strcat(fullPath, entry->d_name);
 
         // Stat for the entry
-        stat(full_path, &statEntry);
+        stat(fullPath, &statEntry);
 
         // Check for directory
         if (S_ISDIR(statEntry.st_mode) != 0)
         {
             // Add directory
-            results.Add(String(full_path));
+            results.Add(String(fullPath));
         }
     }
 
diff --git a/Source/Engine/Platform/Android/AndroidFileSystem.h b/Source/Engine/Platform/Android/AndroidFileSystem.h
index 0f3b0158c..6e986dc5b 100644
--- a/Source/Engine/Platform/Android/AndroidFileSystem.h
+++ b/Source/Engine/Platform/Android/AndroidFileSystem.h
@@ -12,12 +12,11 @@
 class FLAXENGINE_API AndroidFileSystem : public FileSystemBase
 {
 public:
-
     static bool CreateDirectory(const StringView& path);
     static bool DeleteDirectory(const String& path, bool deleteContents = true);
     static bool DirectoryExists(const StringView& path);
-    static bool DirectoryGetFiles(Array<String, HeapAllocation>& results, const String& path, const Char* searchPattern, DirectorySearchOption option = DirectorySearchOption::AllDirectories);
-    static bool GetChildDirectories(Array<String, HeapAllocation>& results, const String& directory);
+    static bool DirectoryGetFiles(Array<String, HeapAllocation>& results, const String& path, const Char* searchPattern = TEXT("*"), DirectorySearchOption option = DirectorySearchOption::AllDirectories);
+    static bool GetChildDirectories(Array<String, HeapAllocation>& results, const String& path);
     static bool FileExists(const StringView& path);
     static bool DeleteFile(const StringView& path);
     static uint64 GetFileSize(const StringView& path);
@@ -25,25 +24,10 @@ public:
     static bool SetReadOnly(const StringView& path, bool isReadOnly);
     static bool MoveFile(const StringView& dst, const StringView& src, bool overwrite = false);
     static bool CopyFile(const StringView& dst, const StringView& src);
-
-public:
-
-    /// <summary>
-    /// Gets last time when file has been modified (in UTC).
-    /// </summary>
-    /// <param name="path">The file path to check.</param>
-    /// <returns>The last write time or DateTime::MinValue() if cannot get data.</returns>
     static DateTime GetFileLastEditTime(const StringView& path);
-
-    /// <summary>
-    /// Gets the special folder path.
-    /// </summary>
-    /// <param name="type">The folder type.</param>
-    /// <param name="result">The result full path.</param>
     static void GetSpecialFolderPath(const SpecialFolder type, String& result);
     
 private:
-
     static bool getFilesFromDirectoryTop(Array<String, HeapAllocation>& results, const char* path, const char* searchPattern);
     static bool getFilesFromDirectoryAll(Array<String, HeapAllocation>& results, const char* path, const char* searchPattern);
 };
diff --git a/Source/Engine/Platform/Apple/AppleFileSystem.cpp b/Source/Engine/Platform/Apple/AppleFileSystem.cpp
index c3e34c683..6c87428cc 100644
--- a/Source/Engine/Platform/Apple/AppleFileSystem.cpp
+++ b/Source/Engine/Platform/Apple/AppleFileSystem.cpp
@@ -145,19 +145,19 @@ bool AppleFileSystem::DirectoryGetFiles(Array<String>& results, const String& pa
     return getFilesFromDirectoryAll(results, pathANSI.Get(), searchPatternANSI.Get());
 }
 
-bool AppleFileSystem::GetChildDirectories(Array<String>& results, const String& directory)
+bool AppleFileSystem::GetChildDirectories(Array<String>& results, const String& path)
 {
     size_t pathLength;
     DIR* dir;
     struct stat statPath, statEntry;
     struct dirent* entry;
-    const StringAsANSI<> pathANSI(*directory, directory.Length());
-    const char* path = pathANSI.Get();
+    const StringAsANSI<> pathANSI(*path, path.Length());
+    const char* pathStr = pathANSI.Get();
 
     // Stat for the path
-    stat(path, &statPath);
+    stat(pathStr, &statPath);
 
-    // If path does not exists or is not dir - exit with status -1
+    // If path does not exist or is not dir - exit with status -1
     if (S_ISDIR(statPath.st_mode) == 0)
     {
         // Is not directory
@@ -165,14 +165,14 @@ bool AppleFileSystem::GetChildDirectories(Array<String>& results, const String&
     }
 
     // If not possible to read the directory for this user
-    if ((dir = opendir(path)) == NULL)
+    if ((dir = opendir(pathStr)) == NULL)
     {
         // Cannot open directory
         return true;
     }
 
     // The length of the path
-    pathLength = strlen(path);
+    pathLength = strlen(pathStr);
 
     // Iteration through entries in the directory
     while ((entry = readdir(dir)) != NULL)
@@ -182,20 +182,20 @@ bool AppleFileSystem::GetChildDirectories(Array<String>& results, const String&
             continue;
 
         // Determinate a full path of an entry
-        char full_path[256];
-        ASSERT(pathLength + strlen(entry->d_name) < ARRAY_COUNT(full_path));
-        strcpy(full_path, path);
-        strcat(full_path, "/");
-        strcat(full_path, entry->d_name);
+        char fullPath[256];
+        ASSERT(pathLength + strlen(entry->d_name) < ARRAY_COUNT(fullPath));
+        strcpy(fullPath, path);
+        strcat(fullPath, "/");
+        strcat(fullPath, entry->d_name);
 
         // Stat for the entry
-        stat(full_path, &statEntry);
+        stat(fullPath, &statEntry);
 
         // Check for directory
         if (S_ISDIR(statEntry.st_mode) != 0)
         {
             // Add directory
-            results.Add(String(full_path));
+            results.Add(String(fullPath));
         }
     }
 
diff --git a/Source/Engine/Platform/Apple/AppleFileSystem.h b/Source/Engine/Platform/Apple/AppleFileSystem.h
index 620945b3e..88440cd58 100644
--- a/Source/Engine/Platform/Apple/AppleFileSystem.h
+++ b/Source/Engine/Platform/Apple/AppleFileSystem.h
@@ -12,13 +12,12 @@
 class FLAXENGINE_API AppleFileSystem : public FileSystemBase
 {
 public:
-
     // [FileSystemBase]
     static bool CreateDirectory(const StringView& path);
     static bool DeleteDirectory(const String& path, bool deleteContents = true);
     static bool DirectoryExists(const StringView& path);
-    static bool DirectoryGetFiles(Array<String, HeapAllocation>& results, const String& path, const Char* searchPattern, DirectorySearchOption option = DirectorySearchOption::AllDirectories);
-    static bool GetChildDirectories(Array<String, HeapAllocation>& results, const String& directory);
+    static bool DirectoryGetFiles(Array<String, HeapAllocation>& results, const String& path, const Char* searchPattern = TEXT("*"), DirectorySearchOption option = DirectorySearchOption::AllDirectories);
+    static bool GetChildDirectories(Array<String, HeapAllocation>& results, const String& path);
     static bool FileExists(const StringView& path);
     static bool DeleteFile(const StringView& path);
     static uint64 GetFileSize(const StringView& path);
@@ -26,25 +25,10 @@ public:
     static bool SetReadOnly(const StringView& path, bool isReadOnly);
     static bool MoveFile(const StringView& dst, const StringView& src, bool overwrite = false);
     static bool CopyFile(const StringView& dst, const StringView& src);
-
-public:
-
-    /// <summary>
-    /// Gets last time when file has been modified (in UTC).
-    /// </summary>
-    /// <param name="path">The file path to check.</param>
-    /// <returns>The last write time or DateTime::MinValue() if cannot get data.</returns>
     static DateTime GetFileLastEditTime(const StringView& path);
-
-    /// <summary>
-    /// Gets the special folder path.
-    /// </summary>
-    /// <param name="type">The folder type.</param>
-    /// <param name="result">The result full path.</param>
     static void GetSpecialFolderPath(const SpecialFolder type, String& result);
     
 private:
-
     static bool getFilesFromDirectoryTop(Array<String, HeapAllocation>& results, const char* path, const char* searchPattern);
     static bool getFilesFromDirectoryAll(Array<String, HeapAllocation>& results, const char* path, const char* searchPattern);
 };
diff --git a/Source/Engine/Platform/Base/FileSystemBase.cpp b/Source/Engine/Platform/Base/FileSystemBase.cpp
index 759771bb9..763f8d3d0 100644
--- a/Source/Engine/Platform/Base/FileSystemBase.cpp
+++ b/Source/Engine/Platform/Base/FileSystemBase.cpp
@@ -195,7 +195,7 @@ String FileSystemBase::ConvertAbsolutePathToRelative(const String& basePath, con
     return output;
 }
 
-bool FileSystemBase::CopyFile(const String& dst, const String& src)
+bool FileSystemBase::CopyFile(const StringView& dst, const StringView& src)
 {
     // Open and create files
     const auto srcFile = File::Open(src, FileMode::OpenExisting, FileAccess::Read);
@@ -247,7 +247,7 @@ uint64 FileSystemBase::GetDirectorySize(const StringView& path)
 {
     uint64 result = 0;
     Array<String> files;
-    FileSystem::DirectoryGetFiles(files, path, TEXT("*"), DirectorySearchOption::AllDirectories);
+    FileSystem::DirectoryGetFiles(files, path);
     for (const String& file : files)
         result += FileSystem::GetFileSize(file);
     return result;
diff --git a/Source/Engine/Platform/Base/FileSystemBase.h b/Source/Engine/Platform/Base/FileSystemBase.h
index 4fc59b4a3..61084bf48 100644
--- a/Source/Engine/Platform/Base/FileSystemBase.h
+++ b/Source/Engine/Platform/Base/FileSystemBase.h
@@ -43,8 +43,133 @@ API_INJECT_CODE(cpp, "#include \"Engine/Platform/FileSystem.h\"");
 API_CLASS(Static, Name="FileSystem", Tag="NativeInvokeUseName")
 class FLAXENGINE_API FileSystemBase
 {
-DECLARE_SCRIPTING_TYPE_MINIMAL(FileSystemBase);
+    DECLARE_SCRIPTING_TYPE_MINIMAL(FileSystemBase);
 
+    /// <summary>
+    /// Creates a new directory.
+    /// </summary>
+    /// <param name="path">Directory path</param>
+    /// <returns>True if failed to create directory, otherwise false.</returns>
+    static bool CreateDirectory(const StringView& path) = delete;
+
+    /// <summary>
+    /// Deletes an existing directory.
+    /// </summary>
+    /// <param name="path">Directory path</param>
+    /// <param name="deleteContents">True if delete all subdirectories and files, otherwise false.</param>
+    /// <returns>True if failed to delete directory, otherwise false.</returns>
+    static bool DeleteDirectory(const String& path, bool deleteContents = true) = delete;
+
+    /// <summary>
+    /// Checks if directory exists.
+    /// </summary>
+    /// <param name="path">Directory path.</param>
+    /// <returns>True if directory exists, otherwise false.</returns>
+    static bool DirectoryExists(const StringView& path) = delete;
+
+    /// <summary>
+    /// Finds the paths of files that match the specified search pattern in the specified directory, using a value to determine whether to search subdirectories.
+    /// </summary>
+    /// <param name="results">Output list with all found file paths. Items are appended without clearing the list first.</param>
+    /// <param name="path">Path of the directory to search in it.</param>
+    /// <param name="searchPattern">Custom search pattern to use during that operation Use asterisk character (*) for name-based filtering (eg. `*.txt` to find all files with `.txt` extension)..</param>
+    /// <param name="option">Additional search options that define rules.</param>
+    /// <returns>True if an error occurred, otherwise false.</returns>
+    static bool DirectoryGetFiles(Array<String, HeapAllocation>& results, const String& path, const Char* searchPattern = TEXT("*"), DirectorySearchOption option = DirectorySearchOption::AllDirectories) = delete;
+
+    /// <summary>
+    /// Finds the paths of directories that are inside the specified directory.
+    /// </summary>
+    /// <param name="results">Output list with all found directory paths. Items are appended without clearing the list first.</param>
+    /// <param name="path">Path of the directory to search in it.</param>
+    /// <returns>True if an error occurred, otherwise false.</returns>
+    static bool GetChildDirectories(Array<String, HeapAllocation>& results, const String& path) = delete;
+
+    /// <summary>
+    /// Copies the directory.
+    /// </summary>
+    /// <param name="dst">Destination path.</param>
+    /// <param name="src">Source directory path.</param>
+    /// <param name="withSubDirectories">True if copy subdirectories of the source folder, otherwise only top-level files will be cloned.</param>
+    /// <returns>True if failed, otherwise false.</returns>
+    static bool CopyDirectory(const String& dst, const String& src, bool withSubDirectories = true);
+
+    /// <summary>
+    /// Gets the size of the directory (in bytes) defined by size of all files contained by it.
+    /// </summary>
+    /// <param name="path">Directory path.</param>
+    /// <returns>Amount of bytes in directory, or 0 if failed.</returns>
+    static uint64 GetDirectorySize(const StringView& path);
+
+public:
+    /// <summary>
+    /// Checks if a given file exists.
+    /// </summary>
+    /// <param name="path">File path to check.</param>
+    /// <returns>True if file exists, otherwise false.</returns>
+    static bool FileExists(const StringView& path) = delete;
+
+    /// <summary>
+    /// Deletes an existing file.
+    /// </summary>
+    /// <param name="path">File path</param>
+    /// <returns>True if operation failed, otherwise false.</returns>
+    static bool DeleteFile(const StringView& path) = delete;
+
+    /// <summary>
+    /// Gets the size of the file (in bytes).
+    /// </summary>
+    /// <param name="path">File path</param>
+    /// <returns>Amount of bytes in file, or 0 if failed.</returns>
+    static uint64 GetFileSize(const StringView& path) = delete;
+
+    /// <summary>
+    /// Checks if file is read-only.
+    /// </summary>
+    /// <param name="path">File path.</param>
+    /// <returns>True if file is read-only, otherwise false. Returns false if failed or path is invalid.</returns>
+    static bool IsReadOnly(const StringView& path) = delete;
+
+    /// <summary>
+    /// Sets file read-only flag.
+    /// </summary>
+    /// <param name="path">File path.</param>
+    /// <param name="isReadOnly">Read-only flag value to set.</param>
+    /// <returns>True if operation failed, otherwise false.</returns>
+    static bool SetReadOnly(const StringView& path, bool isReadOnly) = delete;
+
+    /// <summary>
+    /// Moves the file.
+    /// </summary>
+    /// <param name="dst">Destination path.</param>
+    /// <param name="src">Source file path.</param>
+    /// <param name="overwrite">True if allow overriding destination file if it already exists, otherwise action will fail.</param>
+    /// <returns>True if failed, otherwise false.</returns>
+    static bool MoveFile(const StringView& dst, const StringView& src, bool overwrite = false) = delete;
+
+    /// <summary>
+    /// Copies the file.
+    /// </summary>
+    /// <param name="dst">Destination path.</param>
+    /// <param name="src">Source file path.</param>
+    /// <returns>True if failed, otherwise false.</returns>
+    static bool CopyFile(const StringView& dst, const StringView& src);
+
+    /// <summary>
+    /// Gets last time when file has been modified (in UTC).
+    /// </summary>
+    /// <param name="path">The file path to check.</param>
+    /// <returns>The last write time or DateTime::MinValue() if cannot get data.</returns>
+    static DateTime GetFileLastEditTime(const StringView& path) = delete;
+
+    /// <summary>
+    /// Gets the special folder path.
+    /// </summary>
+    /// <param name="type">The folder type.</param>
+    /// <param name="result">The result full path.</param>
+    static void GetSpecialFolderPath(const SpecialFolder type, String& result) = delete;
+
+public:
     /// <summary>
     /// Displays a standard dialog box that prompts the user to open a file(s).
     /// </summary>
@@ -97,28 +222,26 @@ DECLARE_SCRIPTING_TYPE_MINIMAL(FileSystemBase);
     API_FUNCTION() static bool ShowFileExplorer(const StringView& path);
 
 public:
-
     static void SaveBitmapToFile(byte* data, uint32 width, uint32 height, uint32 bitsPerPixel, const uint32 padding, const String& path);
 
 public:
-
     static bool AreFilePathsEqual(const StringView& path1, const StringView& path2);
 
     /// <summary>
-    /// Normalize input path for valid path name for current platform file system
+    /// Normalizes input path for valid path name for current platform file system.
     /// </summary>
     /// <param name="path">Path to normalize</param>
     static void NormalizePath(String& path);
 
     /// <summary>
-    /// Check if path type is relative
+    /// Checks if path type is relative.
     /// </summary>
     /// <param name="path">Input path to check</param>
     /// <returns>True if input path is relative one, otherwise false</returns>
     static bool IsRelative(const StringView& path);
 
     /// <summary>
-    /// Retrieves file extension (without a dot)
+    /// Retrieves file extension (without a dot).
     /// </summary>
     /// <param name="path">Input path to process</param>
     /// <returns>File extension</returns>
@@ -131,22 +254,15 @@ public:
     static void GetTempFilePath(String& tmpPath);
 
 public:
-
-    static bool CopyFile(const String& dst, const String& src);
-    static bool CopyDirectory(const String& dst, const String& src, bool withSubDirectories);
-    static uint64 GetDirectorySize(const StringView& path);
-
-public:
-
     /// <summary>
-    /// Converts path relative to the engine startup folder into absolute path
+    /// Converts path relative to the engine startup folder into absolute path.
     /// </summary>
     /// <param name="path">Path relative to the engine directory</param>
     /// <returns>Absolute path</returns>
     static String ConvertRelativePathToAbsolute(const String& path);
 
     /// <summary>
-    /// Converts path relative to basePath into absolute path
+    /// Converts path relative to basePath into absolute path.
     /// </summary>
     /// <param name="basePath">Base path</param>
     /// <param name="path">Path relative to basePath</param>
@@ -154,14 +270,14 @@ public:
     static String ConvertRelativePathToAbsolute(const String& basePath, const String& path);
 
     /// <summary>
-    /// Converts absolute path into relative path to engine startup folder
+    /// Converts absolute path into relative path to engine startup folder.
     /// </summary>
     /// <param name="path">Absolute path</param>
     /// <returns>Relative path</returns>
     static String ConvertAbsolutePathToRelative(const String& path);
 
     /// <summary>
-    /// Converts absolute path into relative path to basePath
+    /// Converts absolute path into relative path to basePath.
     /// </summary>
     /// <param name="basePath">Base path</param>
     /// <param name="path">Absolute path</param>
@@ -169,6 +285,5 @@ public:
     static String ConvertAbsolutePathToRelative(const String& basePath, const String& path);
 
 private:
-
     static bool DirectoryCopyHelper(const String& dst, const String& src, bool withSubDirectories);
 };
diff --git a/Source/Engine/Platform/Linux/LinuxFileSystem.cpp b/Source/Engine/Platform/Linux/LinuxFileSystem.cpp
index 26ee15a48..728b2c41b 100644
--- a/Source/Engine/Platform/Linux/LinuxFileSystem.cpp
+++ b/Source/Engine/Platform/Linux/LinuxFileSystem.cpp
@@ -291,17 +291,17 @@ bool LinuxFileSystem::DirectoryGetFiles(Array<String>& results, const String& pa
     return getFilesFromDirectoryAll(results, pathANSI.Get(), searchPatternANSI.Get());
 }
 
-bool LinuxFileSystem::GetChildDirectories(Array<String>& results, const String& directory)
+bool LinuxFileSystem::GetChildDirectories(Array<String>& results, const String& path)
 {
     size_t pathLength;
     DIR* dir;
     struct stat statPath, statEntry;
     struct dirent* entry;
-    const StringAsUTF8<> pathANSI(*directory, directory.Length());
-    const char* path = pathANSI.Get();
+    const StringAsUTF8<> pathANSI(*path, path.Length());
+    const char* pathStr = pathANSI.Get();
 
     // Stat for the path
-    stat(path, &statPath);
+    stat(pathStr, &statPath);
 
     // If path does not exists or is not dir - exit with status -1
     if (S_ISDIR(statPath.st_mode) == 0)
@@ -311,14 +311,14 @@ bool LinuxFileSystem::GetChildDirectories(Array<String>& results, const String&
     }
 
     // If not possible to read the directory for this user
-    if ((dir = opendir(path)) == NULL)
+    if ((dir = opendir(pathStr)) == NULL)
     {
         // Cannot open directory
         return true;
     }
 
     // The length of the path
-    pathLength = strlen(path);
+    pathLength = strlen(pathStr);
 
     // Iteration through entries in the directory
     while ((entry = readdir(dir)) != NULL)
@@ -328,20 +328,20 @@ bool LinuxFileSystem::GetChildDirectories(Array<String>& results, const String&
             continue;
 
         // Determinate a full path of an entry
-        char full_path[256];
-        ASSERT(pathLength + strlen(entry->d_name) < ARRAY_COUNT(full_path));
-        strcpy(full_path, path);
-        strcat(full_path, "/");
-        strcat(full_path, entry->d_name);
+        char fullPath[256];
+        ASSERT(pathLength + strlen(entry->d_name) < ARRAY_COUNT(fullPath));
+        strcpy(fullPath, path);
+        strcat(fullPath, "/");
+        strcat(fullPath, entry->d_name);
 
         // Stat for the entry
-        stat(full_path, &statEntry);
+        stat(fullPath, &statEntry);
 
         // Check for directory
         if (S_ISDIR(statEntry.st_mode) != 0)
         {
             // Add directory
-            results.Add(String(full_path));
+            results.Add(String(fullPath));
         }
     }
 
diff --git a/Source/Engine/Platform/Linux/LinuxFileSystem.h b/Source/Engine/Platform/Linux/LinuxFileSystem.h
index cf360f4d2..fbb204ec6 100644
--- a/Source/Engine/Platform/Linux/LinuxFileSystem.h
+++ b/Source/Engine/Platform/Linux/LinuxFileSystem.h
@@ -12,7 +12,6 @@
 class FLAXENGINE_API LinuxFileSystem : public FileSystemBase
 {
 public:
-
     // [FileSystemBase]
     static bool ShowOpenFileDialog(Window* parentWindow, const StringView& initialDirectory, const StringView& filter, bool multiSelect, const StringView& title, Array<String, HeapAllocation>& filenames);
     static bool ShowBrowseFolderDialog(Window* parentWindow, const StringView& initialDirectory, const StringView& title, String& path);
@@ -20,8 +19,8 @@ public:
     static bool CreateDirectory(const StringView& path);
     static bool DeleteDirectory(const String& path, bool deleteContents = true);
     static bool DirectoryExists(const StringView& path);
-    static bool DirectoryGetFiles(Array<String, HeapAllocation>& results, const String& path, const Char* searchPattern, DirectorySearchOption option = DirectorySearchOption::AllDirectories);
-    static bool GetChildDirectories(Array<String, HeapAllocation>& results, const String& directory);
+    static bool DirectoryGetFiles(Array<String, HeapAllocation>& results, const String& path, const Char* searchPattern = TEXT("*"), DirectorySearchOption option = DirectorySearchOption::AllDirectories);
+    static bool GetChildDirectories(Array<String, HeapAllocation>& results, const String& path);
     static bool FileExists(const StringView& path);
     static bool DeleteFile(const StringView& path);
     static bool MoveFileToRecycleBin(const StringView& path);
@@ -30,25 +29,10 @@ public:
     static bool SetReadOnly(const StringView& path, bool isReadOnly);
     static bool MoveFile(const StringView& dst, const StringView& src, bool overwrite = false);
     static bool CopyFile(const StringView& dst, const StringView& src);
-
-public:
-
-    /// <summary>
-    /// Gets last time when file has been modified (in UTC).
-    /// </summary>
-    /// <param name="path">The file path to check.</param>
-    /// <returns>The last write time or DateTime::MinValue() if cannot get data.</returns>
     static DateTime GetFileLastEditTime(const StringView& path);
-
-    /// <summary>
-    /// Gets the special folder path.
-    /// </summary>
-    /// <param name="type">The folder type.</param>
-    /// <param name="result">The result full path.</param>
     static void GetSpecialFolderPath(const SpecialFolder type, String& result);
-    
-private:
 
+private:
     static bool UrnEncodePath(const char *path, char *result, int maxLength);
     static bool getFilesFromDirectoryTop(Array<String, HeapAllocation>& results, const char* path, const char* searchPattern);
     static bool getFilesFromDirectoryAll(Array<String, HeapAllocation>& results, const char* path, const char* searchPattern);
diff --git a/Source/Engine/Platform/Mac/MacFileSystem.h b/Source/Engine/Platform/Mac/MacFileSystem.h
index 0ea6a26cb..8cd8c45f4 100644
--- a/Source/Engine/Platform/Mac/MacFileSystem.h
+++ b/Source/Engine/Platform/Mac/MacFileSystem.h
@@ -12,7 +12,6 @@
 class FLAXENGINE_API MacFileSystem : public AppleFileSystem
 {
 public:
-
     // [AppleFileSystem]
     static bool ShowOpenFileDialog(Window* parentWindow, const StringView& initialDirectory, const StringView& filter, bool multiSelect, const StringView& title, Array<String, HeapAllocation>& filenames);
     static bool ShowSaveFileDialog(Window* parentWindow, const StringView& initialDirectory, const StringView& filter, bool multiSelect, const StringView& title, Array<String, HeapAllocation>& filenames);
diff --git a/Source/Engine/Platform/UWP/UWPFileSystem.h b/Source/Engine/Platform/UWP/UWPFileSystem.h
index 08807d4e1..4d55c6d00 100644
--- a/Source/Engine/Platform/UWP/UWPFileSystem.h
+++ b/Source/Engine/Platform/UWP/UWPFileSystem.h
@@ -12,12 +12,7 @@
 class FLAXENGINE_API UWPFileSystem : public Win32FileSystem
 {
 public:
-
-    /// <summary>
-    /// Gets the special folder path.
-    /// </summary>
-    /// <param name="type">The folder type.</param>
-    /// <param name="result">The result full path.</param>
+    // [FileSystemBase]
     static void GetSpecialFolderPath(const SpecialFolder type, String& result);
 };
 
diff --git a/Source/Engine/Platform/Win32/Win32FileSystem.cpp b/Source/Engine/Platform/Win32/Win32FileSystem.cpp
index ed11e0f90..396e37363 100644
--- a/Source/Engine/Platform/Win32/Win32FileSystem.cpp
+++ b/Source/Engine/Platform/Win32/Win32FileSystem.cpp
@@ -129,11 +129,11 @@ bool Win32FileSystem::DirectoryGetFiles(Array<String>& results, const String& pa
     return getFilesFromDirectoryAll(results, path, searchPattern);
 }
 
-bool Win32FileSystem::GetChildDirectories(Array<String>& results, const String& directory)
+bool Win32FileSystem::GetChildDirectories(Array<String>& results, const String& path)
 {
     // Try to find first file
     WIN32_FIND_DATA info;
-    String pattern = directory / TEXT('*');
+    String pattern = path / TEXT('*');
     const HANDLE handle = FindFirstFileW(*pattern, &info);
     if (INVALID_HANDLE_VALUE == handle)
     {
@@ -151,7 +151,7 @@ bool Win32FileSystem::GetChildDirectories(Array<String>& results, const String&
         if (info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
         {
             // Add directory
-            results.Add(directory / info.cFileName);
+            results.Add(path / info.cFileName);
         }
     } while (FindNextFileW(handle, &info) != 0);
     FindClose(handle);
diff --git a/Source/Engine/Platform/Win32/Win32FileSystem.h b/Source/Engine/Platform/Win32/Win32FileSystem.h
index 42ac5f4a1..fccde5cd2 100644
--- a/Source/Engine/Platform/Win32/Win32FileSystem.h
+++ b/Source/Engine/Platform/Win32/Win32FileSystem.h
@@ -11,81 +11,23 @@
 /// </summary>
 class FLAXENGINE_API Win32FileSystem : public FileSystemBase
 {
-    // TODO: fix docs
-
 public:
-
-    // Creates a new directory
-    // @param path Directory path
-    // @returns True if cannot create directory, otherwise false
+    // [FileSystemBase]
     static bool CreateDirectory(const StringView& path);
-
-    // Deletes an existing directory
-    // @param path Directory path
-    // @param deleteSubdirectories True if delete all subdirectories and files, otherwise false
-    // @returns True if cannot delete directory, otherwise false
     static bool DeleteDirectory(const String& path, bool deleteContents = true);
-
-    // Check if directory exists
-    // @param path Directory path to check
-    // @returns True if directory exists, otherwise false
     static bool DirectoryExists(const StringView& path);
-
-    // Finds the names of files (including their paths) that match the specified search pattern in the specified directory, using a value to determine whether to search subdirectories
-    // @param results When this method completes, this list contains list of all filenames that match the specified search pattern
-    // @param path Path of the directory to search in it
-    // @param searchPattern Custom search pattern to use during that operation
-    // @param option Additional search options
-    // @returns True if an error occurred, otherwise false
-    static bool DirectoryGetFiles(Array<String, HeapAllocation>& results, const String& path, const Char* searchPattern, DirectorySearchOption option = DirectorySearchOption::AllDirectories);
-
-    // Finds the names of directories (including their paths) that are inside the specified directory
-    // @param results When this method completes, this list contains list of all filenames that match the specified search pattern
-    // @param directory Path of the directory to search in it
-    // @returns True if an error occurred, otherwise false
-    static bool GetChildDirectories(Array<String, HeapAllocation>& results, const String& directory);
-
-public:
-
-    // Check if file exists
-    // @param path File path to check
-    // @returns True if file exists, otherwise false
+    static bool DirectoryGetFiles(Array<String, HeapAllocation>& results, const String& path, const Char* searchPattern = TEXT("*"), DirectorySearchOption option = DirectorySearchOption::AllDirectories);
+    static bool GetChildDirectories(Array<String, HeapAllocation>& results, const String& path);
     static bool FileExists(const StringView& path);
-
-    // Deletes an existing file
-    // @param path File path
-    // @returns True if cannot delete file, otherwise false
     static bool DeleteFile(const StringView& path);
-
-    // Tries to get size of the file
-    // @param path File path to check
-    // @returns Amount of bytes in file
     static uint64 GetFileSize(const StringView& path);
-
-    // Check if file is read-only
-    // @param path File path to check
-    // @returns True if file is read-only
     static bool IsReadOnly(const StringView& path);
-
-    // Sets file read-only flag
-    // @param path File path
-    // @returns True if cannot update file
     static bool SetReadOnly(const StringView& path, bool isReadOnly);
-
-    // Move file
-    // @param dst Destination path
-    // @param src Source path
-    // @returns True if cannot move file
     static bool MoveFile(const StringView& dst, const StringView& src, bool overwrite = false);
-
-    // Clone file
-    // @param dst Destination path
-    // @param src Source path
-    // @returns True if cannot copy file
     static bool CopyFile(const StringView& dst, const StringView& src);
+    static DateTime GetFileLastEditTime(const StringView& path);
 
 public:
-
     /// <summary>
     /// Converts the UNIX style line endings into DOS style (from \n into \r\n).
     /// </summary>
@@ -93,17 +35,7 @@ public:
     /// <param name="output">The output result.</param>
     static void ConvertLineEndingsToDos(const StringView& text, Array<Char, HeapAllocation>& output);
 
-public:
-
-    /// <summary>
-    /// Gets last time when file has been modified (in UTC).
-    /// </summary>
-    /// <param name="path">The file path to check.</param>
-    /// <returns>The last write time or DateTime::MinValue() if cannot get data.</returns>
-    static DateTime GetFileLastEditTime(const StringView& path);
-
 private:
-
     static bool getFilesFromDirectoryTop(Array<String, HeapAllocation>& results, const String& directory, const Char* searchPattern);
     static bool getFilesFromDirectoryAll(Array<String, HeapAllocation>& results, const String& directory, const Char* searchPattern);
 };
diff --git a/Source/Engine/Platform/Windows/WindowsFileSystem.h b/Source/Engine/Platform/Windows/WindowsFileSystem.h
index 28fa9069c..8a51d5ee7 100644
--- a/Source/Engine/Platform/Windows/WindowsFileSystem.h
+++ b/Source/Engine/Platform/Windows/WindowsFileSystem.h
@@ -12,7 +12,6 @@
 class FLAXENGINE_API WindowsFileSystem : public Win32FileSystem
 {
 public:
-
     /// <summary>
     /// Moves a file to the recycle bin with possible undo instead of removing it permanently.
     /// </summary>
@@ -20,26 +19,15 @@ public:
     /// <returns>True if cannot perform that operation, otherwise false.</returns>
     static bool MoveFileToRecycleBin(const StringView& path);
 
-public:
-
     static bool AreFilePathsEqual(const StringView& path1, const StringView& path2);
 
 public:
-
-    /// <summary>
-    /// Gets the special folder path.
-    /// </summary>
-    /// <param name="type">The folder type.</param>
-    /// <param name="result">The result full path.</param>
-    static void GetSpecialFolderPath(const SpecialFolder type, String& result);
-
-public:
-
     // [Win32FileSystem]
     static bool ShowOpenFileDialog(Window* parentWindow, const StringView& initialDirectory, const StringView& filter, bool multiSelect, const StringView& title, Array<String, HeapAllocation>& filenames);
     static bool ShowSaveFileDialog(Window* parentWindow, const StringView& initialDirectory, const StringView& filter, bool multiSelect, const StringView& title, Array<String, HeapAllocation>& filenames);
     static bool ShowBrowseFolderDialog(Window* parentWindow, const StringView& initialDirectory, const StringView& title, String& path);
     static bool ShowFileExplorer(const StringView& path);
+    static void GetSpecialFolderPath(const SpecialFolder type, String& result);
 };
 
 #endif
diff --git a/Source/Engine/Tools/ModelTool/ModelTool.cpp b/Source/Engine/Tools/ModelTool/ModelTool.cpp
index dab426190..408fcb887 100644
--- a/Source/Engine/Tools/ModelTool/ModelTool.cpp
+++ b/Source/Engine/Tools/ModelTool/ModelTool.cpp
@@ -380,7 +380,7 @@ bool ModelTool::GenerateModelSDF(Model* inputModel, ModelData* modelData, float
     sdf.ResolutionScale = resolutionScale;
     sdf.LOD = lodIndex;
     const int32 maxMips = 3;
-    const int32 mipCount = Math::Min(MipLevelsCount(resolution.X, resolution.Y, resolution.Z, true), maxMips);
+    const int32 mipCount = Math::Min(MipLevelsCount(resolution.X, resolution.Y, resolution.Z), maxMips);
     PixelFormat format = PixelFormat::R16_UNorm;
     int32 formatStride = 2;
     float formatMaxValue = MAX_uint16;