added projects, added original patcher utils files, patcher client port WIP

Patcher/_port/Patcher/PatchClient/.gitignore

@@ -0,0 +1,454 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# Tye
+.tye/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd
+
+##
+## Visual studio for Mac
+##
+
+
+# globs
+Makefile.in
+*.userprefs
+*.usertasks
+config.make
+config.status
+aclocal.m4
+install-sh
+autom4te.cache/
+*.tar.gz
+tarballs/
+test-results/
+
+# Mac bundle stuff
+*.dmg
+*.app
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/Windows.gitignore
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+##
+## Visual Studio Code
+##
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json

Patcher/_port/Patcher/PatchClient/App.axaml

@@ -0,0 +1,12 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="using:PatchClient"
+             x:Class="PatchClient.App">
+    <Application.DataTemplates>
+        <local:ViewLocator/>
+    </Application.DataTemplates>
+
+    <Application.Styles>
+        <FluentTheme Mode="Light"/>
+    </Application.Styles>
+</Application>

Patcher/_port/Patcher/PatchClient/App.axaml.cs

@@ -0,0 +1,29 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+using PatchClient.ViewModels;
+using PatchClient.Views;
+
+namespace PatchClient
+{
+    public class App : Application
+    {
+        public override void Initialize()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        public override void OnFrameworkInitializationCompleted()
+        {
+            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                desktop.MainWindow = new MainWindow
+                {
+                    DataContext = new MainWindowViewModel(),
+                };
+            }
+
+            base.OnFrameworkInitializationCompleted();
+        }
+    }
+}

Patcher/_port/Patcher/PatchClient/Assets/Styles.axaml

@@ -0,0 +1,13 @@
+<Styles xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+    <Design.PreviewWith>
+        <Border Padding="20">
+            <!-- Add Controls for Previewer Here -->
+        </Border>
+    </Design.PreviewWith>
+
+    <!-- Add Styles Here -->
+	<Style Selector="Label.blue">
+		<Setter Property="Foreground" Value="DodgerBlue"/>
+	</Style>
+</Styles>

Patcher/_port/Patcher/PatchClient/Models/LineItemProgress.cs

@@ -0,0 +1,39 @@
+using PatcherUtils;
+using ReactiveUI;
+using System;
+
+namespace PatchClient.Models
+{
+    public class LineItemProgress : ReactiveObject
+    {
+        private int total = 0;
+
+        private string _Info = "";
+        public string Info
+        {
+            get => _Info;
+            set => this.RaiseAndSetIfChanged(ref _Info, value);
+        }
+
+        private int _Progress;
+        public int Progress
+        {
+            get => _Progress;
+            set => this.RaiseAndSetIfChanged(ref _Progress, value);
+        }
+
+        public void UpdateProgress(int Count)
+        {
+            Progress = (int)Math.Floor((double)Count / total * 100);
+        }
+
+        public LineItemProgress(LineItem Item)
+        {
+            Info = Item.ItemText;
+
+            total = Item.ItemValue;
+
+            Progress = (int)Math.Floor((double)Item.ItemValue / total * 100);
+        }
+    }
+}

Patcher/_port/Patcher/PatchClient/Models/ViewNavigator.cs

@@ -0,0 +1,14 @@
+using ReactiveUI;
+
+namespace PatchClient.Models
+{
+    public class ViewNavigator : ReactiveObject
+    {
+        private object _SelectedViewModel;
+        public object SelectedViewModel
+        {
+            get => _SelectedViewModel;
+            set => this.RaiseAndSetIfChanged(ref _SelectedViewModel, value);
+        }
+    }
+}

Patcher/_port/Patcher/PatchClient/PatchClient.csproj

@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net5.0</TargetFramework>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  <ItemGroup>
+    <AvaloniaResource Include="Assets\**" />
+    <AvaloniaResource Remove="Assets\Styles.axaml" />
+    <None Remove=".gitignore" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PatcherUtils\PatcherUtils.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="0.10.10" />
+    <PackageReference Include="Avalonia.Desktop" Version="0.10.10" />
+    <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
+    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="0.10.10" />
+    <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.10" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <AvaloniaXaml Update="Assets\Styles.axaml">
+      <SubType>Designer</SubType>
+    </AvaloniaXaml>
+  </ItemGroup>
+</Project>

Patcher/_port/Patcher/PatchClient/Program.cs

@@ -0,0 +1,24 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.ReactiveUI;
+using System;
+
+namespace PatchClient
+{
+    class Program
+    {
+        // Initialization code. Don't use any Avalonia, third-party APIs or any
+        // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+        // yet and stuff might break.
+        [STAThread]
+        public static void Main(string[] args) => BuildAvaloniaApp()
+            .StartWithClassicDesktopLifetime(args);
+
+        // Avalonia configuration, don't remove; also used by visual designer.
+        public static AppBuilder BuildAvaloniaApp()
+            => AppBuilder.Configure<App>()
+                .UsePlatformDetect()
+                .LogToTrace()
+                .UseReactiveUI();
+    }
+}

Patcher/_port/Patcher/PatchClient/ViewLocator.cs

@@ -0,0 +1,30 @@
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using PatchClient.ViewModels;
+using System;
+
+namespace PatchClient
+{
+    public class ViewLocator : IDataTemplate
+    {
+        public IControl Build(object data)
+        {
+            var name = data.GetType().FullName!.Replace("ViewModel", "View");
+            var type = Type.GetType(name);
+
+            if (type != null)
+            {
+                return (Control)Activator.CreateInstance(type)!;
+            }
+            else
+            {
+                return new TextBlock { Text = "Not Found: " + name };
+            }
+        }
+
+        public bool Match(object data)
+        {
+            return data is ViewModelBase;
+        }
+    }
+}

Patcher/_port/Patcher/PatchClient/ViewModels/MainWindowViewModel.cs

@@ -0,0 +1,16 @@
+using PatchClient.Models;
+using Splat;
+
+namespace PatchClient.ViewModels
+{
+    public class MainWindowViewModel : ViewModelBase
+    {
+        public ViewNavigator navigator { get; set; } = new ViewNavigator();
+        public MainWindowViewModel()
+        {
+            navigator.SelectedViewModel = new PatcherViewModel();
+
+            Locator.CurrentMutable.RegisterConstant(navigator, typeof(ViewNavigator));
+        }
+    }
+}

Patcher/_port/Patcher/PatchClient/ViewModels/MessageViewModel.cs

@@ -0,0 +1,20 @@
+using Avalonia;
+using ReactiveUI;
+
+namespace PatchClient.ViewModels
+{
+    public class MessageViewModel : ViewModelBase
+    {
+        private string _InfoText;
+        public string InfoText
+        {
+            get => _InfoText;
+            set => this.RaiseAndSetIfChanged(ref _InfoText, value);
+        }
+
+        public MessageViewModel(string Message)
+        {
+            InfoText = Message;
+        }
+    }
+}

Patcher/_port/Patcher/PatchClient/ViewModels/PatcherViewModel.cs

@@ -0,0 +1,133 @@
+using Avalonia;
+using PatchClient.Models;
+using PatcherUtils;
+using Splat;
+using System;
+using ReactiveUI;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Avalonia.Controls.ApplicationLifetimes;
+using System.Collections.ObjectModel;
+
+namespace PatchClient.ViewModels
+{
+    public class PatcherViewModel : ViewModelBase
+    {
+        private bool initLineItemProgress = true;
+
+        public ObservableCollection<LineItemProgress> LineItems { get; set; } = new ObservableCollection<LineItemProgress>();
+
+        private string _ProgressMessage;
+        public string ProgressMessage
+        {
+            get => _ProgressMessage;
+            set => this.RaiseAndSetIfChanged(ref _ProgressMessage, value);
+        }
+
+        private int _PatchProgress;
+        public int PatchProgress
+        {
+            get => _PatchProgress;
+            set => this.RaiseAndSetIfChanged(ref _PatchProgress, value);
+        }
+
+        private string _PatchMessage;
+        public string PatchMessage
+        {
+            get => _PatchMessage;
+            set => this.RaiseAndSetIfChanged(ref _PatchMessage, value);
+        }
+
+        private ViewNavigator navigator => Locator.Current.GetService<ViewNavigator>();
+
+        public PatcherViewModel()
+        {
+            Test();
+        }
+
+        [Obsolete]
+        private void Test()
+        {
+            Task.Run(() =>
+            {
+                LineItem x = new LineItem("test 1", 100);
+                LineItem xx = new LineItem("test 2", 100);
+                LineItem xxx = new LineItem("test 3", 100);
+
+                LineItems.Add(new LineItemProgress(x));
+                LineItems.Add(new LineItemProgress(xx));
+                LineItems.Add(new LineItemProgress(xxx));
+
+                for (int i = 0; i <= 100; i++)
+                {
+                    System.Threading.Thread.Sleep(20);
+                    PatchProgress = i;
+                    ProgressMessage = $"Patching @ {i}%";
+
+                    foreach(var item in LineItems)
+                    {
+                        item.UpdateProgress(i);
+                    }
+                }
+
+                navigator.SelectedViewModel = new MessageViewModel("Patch completed without issues");
+            });
+        }
+
+        private void RunPatcher()
+        {
+            Task.Run(() =>
+            {
+                FilePatcher bp = new FilePatcher()
+                {
+                    TargetBase = Environment.CurrentDirectory,
+                    PatchBase = LazyOperations.PatchFolder.FromCwd()
+                };
+
+                bp.ProgressChanged += Bp_ProgressChanged;
+
+                try
+                {
+                    if (bp.Run())
+                    {
+                        navigator.SelectedViewModel = new MessageViewModel("Patch completed without issues");
+                    }
+                    else
+                    {
+                        navigator.SelectedViewModel = new MessageViewModel("Failed to patch client");
+                    }
+                }
+                catch (Exception ex)
+                {
+                    navigator.SelectedViewModel = new MessageViewModel(ex.Message);
+                }
+            });
+        }
+
+        private void Bp_ProgressChanged(object Sender, int Progress, int Total, int Percent, string Message = "", params LineItem[] AdditionalLineItems)
+        {
+            foreach (LineItem item in AdditionalLineItems)
+            {
+                if(initLineItemProgress)
+                {
+                    LineItems.Add(new LineItemProgress(item));
+                }
+
+                LineItems.FirstOrDefault(x => x.Info == item.ItemText).UpdateProgress(item.ItemValue);
+            }
+
+            initLineItemProgress = false;
+
+            PatchProgress = Progress;
+
+            if (!string.IsNullOrWhiteSpace(Message))
+            {
+                PatchMessage = Message;
+            }
+
+            ProgressMessage = $"Patching @ {Percent}%";
+        }
+    }
+}

Patcher/_port/Patcher/PatchClient/ViewModels/ViewModelBase.cs

@@ -0,0 +1,11 @@
+using ReactiveUI;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace PatchClient.ViewModels
+{
+    public class ViewModelBase : ReactiveObject
+    {
+    }
+}

Patcher/_port/Patcher/PatchClient/Views/MainWindow.axaml

@@ -0,0 +1,21 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:PatchClient.ViewModels"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        x:Class="PatchClient.Views.MainWindow"
+        Icon="/Assets/avalonia-logo.ico"
+        Title="Patch Client"
+		Height="300" Width="600"
+		WindowStartupLocation="CenterScreen"
+		>
+
+    <Design.DataContext>
+        <vm:MainWindowViewModel/>
+    </Design.DataContext>
+
+	<DockPanel LastChildFill="True">
+		<ContentControl Content="{Binding navigator.SelectedViewModel}"/>
+	</DockPanel>
+</Window>

Patcher/_port/Patcher/PatchClient/Views/MainWindow.axaml.cs

@@ -0,0 +1,22 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace PatchClient.Views
+{
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+#if DEBUG
+            this.AttachDevTools();
+#endif
+        }
+
+        private void InitializeComponent()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+    }
+}

Patcher/_port/Patcher/PatchClient/Views/MessageView.axaml

@@ -0,0 +1,20 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="PatchClient.Views.MessageView">
+
+	<UserControl.Styles>
+		<StyleInclude Source="/Assets/Styles.axaml"/>
+	</UserControl.Styles>
+	
+	<StackPanel HorizontalAlignment="Center" VerticalAlignment="Center">
+     	<Label Content="You can close this window"
+			   FontSize="12" FontWeight="SemiBold"/>
+		<Label Content="{Binding InfoText}"
+			   Classes="blue"
+			   />
+	</StackPanel>
+	
+</UserControl>

Patcher/_port/Patcher/PatchClient/Views/MessageView.axaml.cs

@@ -0,0 +1,19 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace PatchClient.Views
+{
+    public partial class MessageView : UserControl
+    {
+        public MessageView()
+        {
+            InitializeComponent();
+        }
+
+        private void InitializeComponent()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+    }
+}

Patcher/_port/Patcher/PatchClient/Views/PatcherView.axaml

@@ -0,0 +1,41 @@
+<UserControl xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+			 xmlns:model="using:PatchClient.Models"
+             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+             x:Class="PatchClient.Views.PatcherView">
+
+	<UserControl.Styles>
+		<StyleInclude Source="/Assets/Styles.axaml"/>
+		<Style Selector="Label">
+			<Setter Property="Margin" Value="0 0 0 5"/>
+		</Style>
+	</UserControl.Styles>
+
+	<Grid RowDefinitions="AUTO,AUTO,AUTO,AUTO,AUTO" Margin="10">
+
+		<!-- Current Patch Text -->
+		<Label Content="{Binding ProgressMessage}"/>
+		<Label Content="{Binding PatchMessage}" Grid.Row="1"
+			   Classes="blue"/>
+		<ProgressBar Grid.Row="2" Value="{Binding PatchProgress}"/>
+
+		<Separator Grid.Row="3"
+				   VerticalAlignment="Bottom"
+				   Background="Gainsboro"
+				   Height="1"
+				   Margin="0 20"/>
+
+		<ItemsControl Items="{Binding LineItems}" Grid.Row="4" HorizontalAlignment="Stretch">
+			<ItemsControl.ItemTemplate>
+				<DataTemplate DataType="{x:Type model:LineItemProgress}">
+					<StackPanel Orientation="Horizontal">
+						<Label Content="{Binding Info}"/>
+						<ProgressBar Value="{Binding Progress}"/>
+					</StackPanel>
+				</DataTemplate>
+			</ItemsControl.ItemTemplate>
+		</ItemsControl>
+	</Grid>
+</UserControl>

Patcher/_port/Patcher/PatchClient/Views/PatcherView.axaml.cs

@@ -0,0 +1,19 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace PatchClient.Views
+{
+    public partial class PatcherView : UserControl
+    {
+        public PatcherView()
+        {
+            InitializeComponent();
+        }
+
+        private void InitializeComponent()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+    }
+}

Patcher/_port/Patcher/PatchGenerator/.gitignore

@@ -0,0 +1,454 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# Tye
+.tye/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd
+
+##
+## Visual studio for Mac
+##
+
+
+# globs
+Makefile.in
+*.userprefs
+*.usertasks
+config.make
+config.status
+aclocal.m4
+install-sh
+autom4te.cache/
+*.tar.gz
+tarballs/
+test-results/
+
+# Mac bundle stuff
+*.dmg
+*.app
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/Windows.gitignore
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+##
+## Visual Studio Code
+##
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json

Patcher/_port/Patcher/PatchGenerator/App.axaml

@@ -0,0 +1,12 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="using:PatchGenerator"
+             x:Class="PatchGenerator.App">
+    <Application.DataTemplates>
+        <local:ViewLocator/>
+    </Application.DataTemplates>
+
+    <Application.Styles>
+        <FluentTheme Mode="Light"/>
+    </Application.Styles>
+</Application>

Patcher/_port/Patcher/PatchGenerator/App.axaml.cs

@@ -0,0 +1,29 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+using PatchGenerator.ViewModels;
+using PatchGenerator.Views;
+
+namespace PatchGenerator
+{
+    public class App : Application
+    {
+        public override void Initialize()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        public override void OnFrameworkInitializationCompleted()
+        {
+            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                desktop.MainWindow = new MainWindow
+                {
+                    DataContext = new MainWindowViewModel(),
+                };
+            }
+
+            base.OnFrameworkInitializationCompleted();
+        }
+    }
+}

Patcher/_port/Patcher/PatchGenerator/PatchGenerator.csproj

@@ -0,0 +1,36 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net5.0</TargetFramework>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PatcherUtils\PatcherUtils.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="Aki.ByteBanger">
+      <HintPath>References\Aki.ByteBanger.dll</HintPath>
+    </Reference>
+    <Reference Include="Aki.Common">
+      <HintPath>References\Aki.Common.dll</HintPath>
+    </Reference>
+    <Reference Include="ComponentAce.Compression.Libs.zlib">
+      <HintPath>References\ComponentAce.Compression.Libs.zlib.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <Folder Include="Models\" />
+    <AvaloniaResource Include="Assets\**" />
+    <None Remove=".gitignore" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="0.10.10" />
+    <PackageReference Include="Avalonia.Desktop" Version="0.10.10" />
+    <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
+    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="0.10.10" />
+    <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.10" />
+  </ItemGroup>
+</Project>

Patcher/_port/Patcher/PatchGenerator/Program.cs

@@ -0,0 +1,24 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.ReactiveUI;
+using System;
+
+namespace PatchGenerator
+{
+    class Program
+    {
+        // Initialization code. Don't use any Avalonia, third-party APIs or any
+        // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+        // yet and stuff might break.
+        [STAThread]
+        public static void Main(string[] args) => BuildAvaloniaApp()
+            .StartWithClassicDesktopLifetime(args);
+
+        // Avalonia configuration, don't remove; also used by visual designer.
+        public static AppBuilder BuildAvaloniaApp()
+            => AppBuilder.Configure<App>()
+                .UsePlatformDetect()
+                .LogToTrace()
+                .UseReactiveUI();
+    }
+}

Patcher/_port/Patcher/PatchGenerator/ViewLocator.cs

@@ -0,0 +1,30 @@
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using PatchGenerator.ViewModels;
+using System;
+
+namespace PatchGenerator
+{
+    public class ViewLocator : IDataTemplate
+    {
+        public IControl Build(object data)
+        {
+            var name = data.GetType().FullName!.Replace("ViewModel", "View");
+            var type = Type.GetType(name);
+
+            if (type != null)
+            {
+                return (Control)Activator.CreateInstance(type)!;
+            }
+            else
+            {
+                return new TextBlock { Text = "Not Found: " + name };
+            }
+        }
+
+        public bool Match(object data)
+        {
+            return data is ViewModelBase;
+        }
+    }
+}

Patcher/_port/Patcher/PatchGenerator/ViewModels/MainWindowViewModel.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace PatchGenerator.ViewModels
+{
+    public class MainWindowViewModel : ViewModelBase
+    {
+        public string Greeting => "Welcome to Avalonia!";
+    }
+}

Patcher/_port/Patcher/PatchGenerator/ViewModels/ViewModelBase.cs

@@ -0,0 +1,11 @@
+using ReactiveUI;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace PatchGenerator.ViewModels
+{
+    public class ViewModelBase : ReactiveObject
+    {
+    }
+}

Patcher/_port/Patcher/PatchGenerator/Views/MainWindow.axaml

@@ -0,0 +1,17 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:PatchGenerator.ViewModels"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        x:Class="PatchGenerator.Views.MainWindow"
+        Icon="/Assets/avalonia-logo.ico"
+        Title="PatchGenerator">
+
+    <Design.DataContext>
+        <vm:MainWindowViewModel/>
+    </Design.DataContext>
+
+    <TextBlock Text="{Binding Greeting}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
+
+</Window>

Patcher/_port/Patcher/PatchGenerator/Views/MainWindow.axaml.cs

@@ -0,0 +1,22 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace PatchGenerator.Views
+{
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+#if DEBUG
+            this.AttachDevTools();
+#endif
+        }
+
+        private void InitializeComponent()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+    }
+}

Patcher/_port/Patcher/Patcher.sln

@@ -0,0 +1,37 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31727.386
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PatchClient", "PatchClient\PatchClient.csproj", "{1C297369-03CA-4CA8-A651-22568A1CA310}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PatchGenerator", "PatchGenerator\PatchGenerator.csproj", "{0E0664C4-E698-41E4-919F-892D627739EA}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PatcherUtils", "PatcherUtils\PatcherUtils.csproj", "{C84233F8-6630-4322-9FB6-0A957F39CDA7}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{1C297369-03CA-4CA8-A651-22568A1CA310}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1C297369-03CA-4CA8-A651-22568A1CA310}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1C297369-03CA-4CA8-A651-22568A1CA310}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1C297369-03CA-4CA8-A651-22568A1CA310}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0E0664C4-E698-41E4-919F-892D627739EA}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0E0664C4-E698-41E4-919F-892D627739EA}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0E0664C4-E698-41E4-919F-892D627739EA}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0E0664C4-E698-41E4-919F-892D627739EA}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C84233F8-6630-4322-9FB6-0A957F39CDA7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C84233F8-6630-4322-9FB6-0A957F39CDA7}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C84233F8-6630-4322-9FB6-0A957F39CDA7}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C84233F8-6630-4322-9FB6-0A957F39CDA7}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {07AD7FB8-3529-4A2A-BDD5-76F779273B9B}
+	EndGlobalSection
+EndGlobal

Patcher/_port/Patcher/Patcher/.gitignore

@@ -0,0 +1,454 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# Tye
+.tye/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd
+
+##
+## Visual studio for Mac
+##
+
+
+# globs
+Makefile.in
+*.userprefs
+*.usertasks
+config.make
+config.status
+aclocal.m4
+install-sh
+autom4te.cache/
+*.tar.gz
+tarballs/
+test-results/
+
+# Mac bundle stuff
+*.dmg
+*.app
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/Windows.gitignore
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+##
+## Visual Studio Code
+##
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json

Patcher/_port/Patcher/Patcher/App.axaml

@@ -0,0 +1,12 @@
+<Application xmlns="https://github.com/avaloniaui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="using:Patcher"
+             x:Class="Patcher.App">
+    <Application.DataTemplates>
+        <local:ViewLocator/>
+    </Application.DataTemplates>
+
+    <Application.Styles>
+        <FluentTheme Mode="Light"/>
+    </Application.Styles>
+</Application>

Patcher/_port/Patcher/Patcher/App.axaml.cs

@@ -0,0 +1,29 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.Markup.Xaml;
+using Patcher.ViewModels;
+using Patcher.Views;
+
+namespace Patcher
+{
+    public class App : Application
+    {
+        public override void Initialize()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+
+        public override void OnFrameworkInitializationCompleted()
+        {
+            if (ApplicationLifetime is IClassicDesktopStyleApplicationLifetime desktop)
+            {
+                desktop.MainWindow = new MainWindow
+                {
+                    DataContext = new MainWindowViewModel(),
+                };
+            }
+
+            base.OnFrameworkInitializationCompleted();
+        }
+    }
+}

Patcher/_port/Patcher/Patcher/Patcher.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net5.0</TargetFramework>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+  <ItemGroup>
+    <Folder Include="Models\" />
+    <AvaloniaResource Include="Assets\**" />
+    <None Remove=".gitignore" />
+  </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="Avalonia" Version="0.10.10" />
+    <PackageReference Include="Avalonia.Desktop" Version="0.10.10" />
+    <!--Condition below is needed to remove Avalonia.Diagnostics package from build output in Release configuration.-->
+    <PackageReference Condition="'$(Configuration)' == 'Debug'" Include="Avalonia.Diagnostics" Version="0.10.10" />
+    <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.10" />
+  </ItemGroup>
+</Project>

Patcher/_port/Patcher/Patcher/Program.cs

@@ -0,0 +1,24 @@
+using Avalonia;
+using Avalonia.Controls.ApplicationLifetimes;
+using Avalonia.ReactiveUI;
+using System;
+
+namespace Patcher
+{
+    class Program
+    {
+        // Initialization code. Don't use any Avalonia, third-party APIs or any
+        // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
+        // yet and stuff might break.
+        [STAThread]
+        public static void Main(string[] args) => BuildAvaloniaApp()
+            .StartWithClassicDesktopLifetime(args);
+
+        // Avalonia configuration, don't remove; also used by visual designer.
+        public static AppBuilder BuildAvaloniaApp()
+            => AppBuilder.Configure<App>()
+                .UsePlatformDetect()
+                .LogToTrace()
+                .UseReactiveUI();
+    }
+}

Patcher/_port/Patcher/Patcher/ViewLocator.cs

@@ -0,0 +1,30 @@
+using Avalonia.Controls;
+using Avalonia.Controls.Templates;
+using Patcher.ViewModels;
+using System;
+
+namespace Patcher
+{
+    public class ViewLocator : IDataTemplate
+    {
+        public IControl Build(object data)
+        {
+            var name = data.GetType().FullName!.Replace("ViewModel", "View");
+            var type = Type.GetType(name);
+
+            if (type != null)
+            {
+                return (Control)Activator.CreateInstance(type)!;
+            }
+            else
+            {
+                return new TextBlock { Text = "Not Found: " + name };
+            }
+        }
+
+        public bool Match(object data)
+        {
+            return data is ViewModelBase;
+        }
+    }
+}

Patcher/_port/Patcher/Patcher/ViewModels/MainWindowViewModel.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Patcher.ViewModels
+{
+    public class MainWindowViewModel : ViewModelBase
+    {
+        public string Greeting => "Welcome to Avalonia!";
+    }
+}

Patcher/_port/Patcher/Patcher/ViewModels/ViewModelBase.cs

@@ -0,0 +1,11 @@
+using ReactiveUI;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Patcher.ViewModels
+{
+    public class ViewModelBase : ReactiveObject
+    {
+    }
+}

Patcher/_port/Patcher/Patcher/Views/MainWindow.axaml

@@ -0,0 +1,17 @@
+<Window xmlns="https://github.com/avaloniaui"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:vm="using:Patcher.ViewModels"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
+        x:Class="Patcher.Views.MainWindow"
+        Icon="/Assets/avalonia-logo.ico"
+        Title="Patcher">
+
+    <Design.DataContext>
+        <vm:MainWindowViewModel/>
+    </Design.DataContext>
+
+    <TextBlock Text="{Binding Greeting}" HorizontalAlignment="Center" VerticalAlignment="Center"/>
+
+</Window>

Patcher/_port/Patcher/Patcher/Views/MainWindow.axaml.cs

@@ -0,0 +1,22 @@
+using Avalonia;
+using Avalonia.Controls;
+using Avalonia.Markup.Xaml;
+
+namespace Patcher.Views
+{
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+#if DEBUG
+            this.AttachDevTools();
+#endif
+        }
+
+        private void InitializeComponent()
+        {
+            AvaloniaXamlLoader.Load(this);
+        }
+    }
+}

Patcher/_port/Patcher/PatcherUtils/FileCompare.cs

@@ -0,0 +1,185 @@
+// NOTES:
+// - redo search pattern;
+//   - compare both directories against eachother, not just one to the other
+//   - add ability to handle missing directories
+
+using System.IO;
+using Aki.Common.Utils;
+using Aki.ByteBanger;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace PatcherUtils
+{
+    public class FileCompare
+    {
+        public string PatchBase;
+        public string TargetBase;
+        public string CompareBase;
+        private int fileCount;
+        private int fileIt;
+
+        private int diffCount = 0;
+        private int newCount = 0;
+        private int delCount = 0;
+        private int matchCount = 0;
+
+        private List<FileInfo> TargetPaths;
+        private List<FileInfo> ComparePaths;
+        private List<LineItem> AdditionalInfo = new List<LineItem>();
+
+        /// <summary>
+        /// Provides patch generation progress changes
+        /// </summary>
+        public event ProgressChangedHandler ProgressChanged;
+        protected virtual void RaiseProgressChanged(int progress, int total, string Message = "", params LineItem[] AdditionalLineItems)
+        {
+            int percent = (int)Math.Floor((double)progress / total * 100);
+
+            ProgressChanged?.Invoke(this, progress, total, percent, Message, AdditionalLineItems);
+        }
+
+        /// <summary>
+        /// Compare a target file to an assumed compareable file.
+        /// </summary>
+        /// <param name="targetFile">The known target path</param>
+        /// <param name="assumedCompareFile">The assumed comparable file path</param>
+        /// <returns>True if a comparison was made | False if a comparison could not be made</returns>
+        private bool Compare(string targetFile, string assumedCompareFile)
+        {
+            string patchFilePath = targetFile.Replace(TargetBase, PatchBase);
+            //we know our target file exists
+            byte[] targetData = VFS.ReadFile(targetFile);
+
+            if(!File.Exists(assumedCompareFile))
+            {
+                //save the data we won't have in our target as new
+                VFS.WriteFile($"{patchFilePath}.new", Zlib.Compress(targetData, ZlibCompression.Maximum));
+                newCount++;
+                return true;
+            }
+
+            //now our compare file is known to exist
+            byte[] compareData = VFS.ReadFile(assumedCompareFile);
+
+            // get diffs
+            DiffResult result = PatchUtil.Diff(compareData, targetData);
+
+            switch (result.Result)
+            {
+                case DiffResultType.Success:
+                    VFS.WriteFile($"{patchFilePath}.bpf", result.PatchInfo.ToBytes());
+                    diffCount++;
+                    return true;
+
+                case DiffResultType.FilesMatch:
+                    matchCount++;
+                    return true;
+
+                default:
+                    return false;
+            }
+        }
+
+        /// <summary>
+        /// Compares the base folders and generates patch files.
+        /// </summary>
+        /// <returns>True if patches were generated successfully | False if patch generation failed</returns>
+        public bool CompareAll()
+        {
+            DirectoryInfo targetDirInfo = new DirectoryInfo(TargetBase);
+            DirectoryInfo compareDirInfo = new DirectoryInfo(CompareBase);
+
+            AdditionalInfo.Add(new LineItem("Diff Patch", 0));
+            AdditionalInfo.Add(new LineItem("New Patch", 0));
+            AdditionalInfo.Add(new LineItem("Del Patch", 0));
+            AdditionalInfo.Add(new LineItem("Files Match", 0));
+
+            if (!targetDirInfo.Exists || !compareDirInfo.Exists)
+            {
+                Console.WriteLine("Target or Compare folder does not exist");
+                return false;
+            }
+
+            //Get all the files recursively
+            TargetPaths = new List<FileInfo>(targetDirInfo.GetFiles("*.*", SearchOption.AllDirectories));
+            ComparePaths = new List<FileInfo>(compareDirInfo.GetFiles("*.*", SearchOption.AllDirectories));
+
+            RaiseProgressChanged(0, fileCount, "Generating diffs...");
+
+            /* Comparing Target files -> Compare files
+             *     - Exists        = Diff (.bfd file)
+             *     - Doesn't Exist = New (.new file)
+             * 
+             * Once everything has been compared from one side, any remaining paths in our ComparePaths
+             * are things that don't exist in our target and can be deleted (.del file)
+             */
+
+            for (int x = 0; x < TargetPaths.Count; x++)
+            {
+                FileInfo file = TargetPaths[x];
+
+                string assumedComparePath = file.DirectoryName.Replace(TargetBase, CompareBase);
+
+                if (!Compare(file.FullName, VFS.Combine(assumedComparePath, file.Name)))
+                {
+                    return false;
+                }
+
+                //remove any existing files from our ComparePaths
+                FileInfo assumedFile = new FileInfo(VFS.Combine(assumedComparePath, file.Name));
+                if (assumedFile.Exists && ComparePaths.Exists(x => x.FullName == assumedFile.FullName))
+                {
+                    ComparePaths.Remove(ComparePaths.Where(x => x.FullName == assumedFile.FullName).FirstOrDefault());
+                }
+
+
+                AdditionalInfo[0].ItemValue = diffCount;
+                AdditionalInfo[1].ItemValue = newCount;
+                AdditionalInfo[3].ItemValue = matchCount;
+
+                fileIt++;
+                RaiseProgressChanged(fileIt, fileCount, file.Name, AdditionalInfo.ToArray());
+            }
+
+            
+            if (ComparePaths.Count == 0)
+            {
+                //if there are no files to delete, just return true
+                return true;
+            }
+
+            //progress reset for files that need to be deleted
+            RaiseProgressChanged(0, ComparePaths.Count, "Processing .del files...");
+            fileIt = 0;
+            fileCount = ComparePaths.Count;
+
+            //the paths remaining in ComparePaths don't exist in our target and need to be removed during patching.
+            foreach (FileInfo file in ComparePaths)
+            {
+                //add del files                               replace root dir with patch base
+                string patchFilePath = file.FullName.Replace(CompareBase, PatchBase);
+                VFS.WriteFile($"{patchFilePath}.del", new byte[0]);
+
+                delCount++;
+                AdditionalInfo[2].ItemValue = delCount;
+
+                fileIt++;
+                RaiseProgressChanged(fileIt, fileCount, "", AdditionalInfo.ToArray());
+            }
+
+            return true;
+        }
+
+        public FileCompare(string TargetBase, string CompareBase, string PatchBase)
+        {
+            this.TargetBase = TargetBase;
+            this.CompareBase = CompareBase;
+            this.PatchBase = PatchBase;
+
+            fileCount = VFS.GetFilesCount(TargetBase);
+            fileIt = 0;
+        }
+    }
+}

Patcher/_port/Patcher/PatcherUtils/FilePatcher.cs

@@ -0,0 +1,147 @@
+using System;
+using System.IO;
+using Aki.Common.Utils;
+using Aki.ByteBanger;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace PatcherUtils
+{
+    public class FilePatcher
+    {
+        public string TargetBase;
+        public string PatchBase;
+        private int fileCount;
+        private int fileIt;
+
+        private int diffCount;
+        private int newCount;
+        private int delCount;
+
+        private List<LineItem> AdditionalInfo;
+
+
+        public event ProgressChangedHandler ProgressChanged;
+
+        protected virtual void RaiseProgressChanged(int progress, int total, string Message = "", params LineItem[] AdditionalLineItems)
+        {
+            int percent = (int)Math.Floor((double)progress / total * 100);
+
+            ProgressChanged?.Invoke(this, progress, total, percent, Message, AdditionalLineItems);
+        }
+
+        public bool Patch(string targetfile, string patchfile)
+        {
+            byte[] target = VFS.ReadFile(targetfile);
+            byte[] patch = VFS.ReadFile(patchfile);
+
+            PatchResult result = PatchUtil.Patch(target, PatchInfo.FromBytes(patch));
+
+            switch (result.Result)
+            {
+                case PatchResultType.Success:
+                    VFS.WriteFile(targetfile, result.PatchedData);
+                    return true;
+
+                case PatchResultType.AlreadyPatched:
+                case PatchResultType.InputChecksumMismatch:
+                case PatchResultType.InputLengthMismatch:
+                    return true;
+
+                case PatchResultType.OutputChecksumMismatch:
+                default:
+                    return false;
+            }
+        }
+
+        private bool PatchAll(string targetpath, string patchpath)
+        {
+            DirectoryInfo di = new DirectoryInfo(patchpath);
+
+            foreach (FileInfo file in di.GetFiles())
+            {
+                FileInfo target = null;
+
+                switch (file.Extension)
+                {
+                    // patch
+                    case ".bpf":
+                        {
+                            target = new FileInfo(VFS.Combine(targetpath, file.Name.Replace(".bpf", "")));
+
+                            if (!Patch(target.FullName, file.FullName))
+                            {
+                                // patch failed
+                                return false;
+                            }
+
+                            diffCount--;
+                        }
+                        break;
+
+                    // add new files
+                    case ".new":
+                        {
+                            target = new FileInfo(VFS.Combine(targetpath, file.Name.Replace(".new", "")));
+                            VFS.WriteFile(target.FullName, Zlib.Decompress(VFS.ReadFile(file.FullName)));
+                            newCount--;
+                        }
+                        break;
+
+                    // delete old files
+                    case ".del":
+                        {
+                            target = new FileInfo(VFS.Combine(targetpath, file.Name.Replace(".del", "")));
+                            target.IsReadOnly = false;
+                            target.Delete();
+                            delCount--;
+                        }
+                        break;
+                }
+
+                AdditionalInfo[0].ItemValue = diffCount;
+                AdditionalInfo[1].ItemValue = newCount;
+                AdditionalInfo[2].ItemValue = delCount;
+
+                ++fileIt;
+                RaiseProgressChanged(fileIt, fileCount, target.Name, AdditionalInfo.ToArray());
+            }
+
+            foreach (DirectoryInfo directory in di.GetDirectories())
+            {
+                PatchAll(VFS.Combine(targetpath, directory.Name), directory.FullName);
+            }
+
+            di.Refresh();
+
+            if (di.GetFiles().Length == 0 && di.GetDirectories().Length == 0)
+            {
+                // remove empty folders
+                di.Delete();
+            }
+
+            return true;
+        }
+
+        public bool Run()
+        {
+            fileCount = VFS.GetFilesCount(PatchBase);
+
+            FileInfo[] files = new DirectoryInfo(PatchBase).GetFiles("*.*", SearchOption.AllDirectories);
+
+            diffCount = files.Where(x => x.Extension == ".bpf").Count();
+            newCount = files.Where(x => x.Extension == ".new").Count();
+            delCount = files.Where(x => x.Extension == ".del").Count();
+
+            AdditionalInfo = new List<LineItem>()
+            {
+                new LineItem("Patches Remaining", diffCount),
+                new LineItem("New Files to Inflate", newCount),
+                new LineItem("Files to Delete", delCount)
+            };
+
+            fileIt = 0;
+            return PatchAll(TargetBase, PatchBase);
+        }
+    }
+}

Patcher/_port/Patcher/PatcherUtils/LazyOperations.cs

@@ -0,0 +1,104 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+using System.Reflection;
+
+namespace PatcherUtils
+{
+    public class LazyOperations
+    {
+        /// <summary>
+        /// A directory to store temporary data.
+        /// </summary>
+        public static string TempDir = "PATCHER_TEMP".FromCwd();
+
+        private static string SevenZExe = "7za.exe";
+
+        /// <summary>
+        /// The folder that the patches will be stored in
+        /// </summary>
+        public static string PatchFolder = "Aki_Data\\Patcher";
+
+        /// <summary>
+        /// The path to the 7za.exe file in the <see cref="TempDir"/>
+        /// </summary>
+        public static string SevenZExePath = $"{TempDir}\\{SevenZExe}";
+
+        private static string PatcherClient = "PatchClient.exe";
+        /// <summary>
+        /// The path to the patcher.exe file in the <see cref="TempDir"/>
+        /// </summary>
+        public static string PatcherClientPath = $"{TempDir}\\{PatcherClient}";
+
+        /// <summary>
+        /// Streams embedded resources out of the assembly
+        /// </summary>
+        /// <param name="ResourceName"></param>
+        /// <param name="OutputFilePath"></param>
+        /// <remarks>The resource will not be streamed out if the <paramref name="OutputFilePath"/> already exists</remarks>
+        private static void StreamResourceOut(string ResourceName, string OutputFilePath)
+        {
+            FileInfo outputFile = new FileInfo(OutputFilePath);
+
+            if (outputFile.Exists) return;
+
+            if (!outputFile.Directory.Exists)
+            {
+                Directory.CreateDirectory(outputFile.Directory.FullName);
+            }
+
+            using (FileStream fs = File.Create(OutputFilePath))
+            using (Stream s = Assembly.GetExecutingAssembly().GetManifestResourceStream(ResourceName))
+            {
+                s.CopyTo(fs);
+            }
+        }
+
+        /// <summary>
+        /// Checks the resources in the assembly and streams them to the temp directory for later use.
+        /// </summary>
+        public static void PrepTempDir()
+        {
+            foreach(string resource in Assembly.GetExecutingAssembly().GetManifestResourceNames())
+            {
+                switch(resource)
+                {
+                    case string a when a.EndsWith(SevenZExe):
+                        {
+                            StreamResourceOut(resource, SevenZExePath);
+                            break;
+                        }
+                    case string a when a.EndsWith(PatcherClient):
+                        {
+                            StreamResourceOut(resource, PatcherClientPath);
+                            break;
+                        }
+                }
+            }
+        }
+
+        public static void StartZipProcess(string SourcePath, string DestinationPath)
+        {
+            ProcessStartInfo procInfo = new ProcessStartInfo()
+            {
+                FileName = SevenZExePath,
+                Arguments = $"a {DestinationPath} {SourcePath}"
+            };
+
+            Process.Start(procInfo);
+        }
+
+        /// <summary>
+        /// Deletes the <see cref="TempDir"/> recursively
+        /// </summary>
+        public static void CleanupTempDir()
+        {
+            DirectoryInfo dir = new DirectoryInfo(TempDir);
+
+            if(dir.Exists)
+            {
+                dir.Delete(true);
+            }
+        }
+    }
+}

Patcher/_port/Patcher/PatcherUtils/LineItem.cs

@@ -0,0 +1,14 @@
+namespace PatcherUtils
+{
+    public class LineItem
+    {
+        public string ItemText;
+        public int ItemValue;
+
+        public LineItem(string ItemText, int ItemValue = 0)
+        {
+            this.ItemText = ItemText;
+            this.ItemValue = ItemValue;
+        }
+    }
+}

Patcher/_port/Patcher/PatcherUtils/PatcherUtils.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net5.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Remove="Resources\7za.exe" />
+    <None Remove="Resources\PatchClient.exe" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <EmbeddedResource Include="Resources\7za.exe" />
+    <EmbeddedResource Include="Resources\PatchClient.exe" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <Reference Include="Aki.ByteBanger">
+      <HintPath>..\PatchGenerator\References\Aki.ByteBanger.dll</HintPath>
+    </Reference>
+    <Reference Include="Aki.Common">
+      <HintPath>..\PatchGenerator\References\Aki.Common.dll</HintPath>
+    </Reference>
+    <Reference Include="ComponentAce.Compression.Libs.zlib">
+      <HintPath>..\PatchGenerator\References\ComponentAce.Compression.Libs.zlib.dll</HintPath>
+    </Reference>
+  </ItemGroup>
+
+</Project>

Patcher/_port/Patcher/PatcherUtils/ProgressChangedHandler.cs

@@ -0,0 +1,13 @@
+namespace PatcherUtils
+{
+    /// <summary>
+    /// <see cref="WriteProgressHandler(object, int, int, int, string, string[])"/> delegate
+    /// </summary>
+    /// <param name="Sender">The object calling the handler</param>
+    /// <param name="Progress">The current number of items processed</param>
+    /// <param name="Total">The total number of items</param>
+    /// <param name="Percent">The percentage of items processed</param>
+    /// <param name="Message">An optional message to display above the progress bar</param>
+    /// <param name="AdditionalLineItems">Additional information to display below the progress bar.</param>
+    public delegate void ProgressChangedHandler(object Sender, int Progress, int Total, int Percent, string Message = "", params LineItem[] AdditionalLineItems);
+}

Patcher/_port/Patcher/PatcherUtils/RandomExtensions.cs

@@ -0,0 +1,13 @@
+using System;
+using System.IO;
+
+namespace PatcherUtils
+{
+    public static class RandomExtensions
+    {
+        public static string FromCwd(this string s)
+        {
+            return Path.Combine(Environment.CurrentDirectory, s);
+        }
+    }
+}