First iteration of the launcher

GenshinLauncher.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.31205.134
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "GenshinLauncher", "GenshinLauncher\GenshinLauncher.csproj", "{1FD9D824-ABEC-4E60-A3E1-549EE95A4EF3}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{1FD9D824-ABEC-4E60-A3E1-549EE95A4EF3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1FD9D824-ABEC-4E60-A3E1-549EE95A4EF3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1FD9D824-ABEC-4E60-A3E1-549EE95A4EF3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1FD9D824-ABEC-4E60-A3E1-549EE95A4EF3}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {BAFD00F7-07BB-4242-8643-2F64B50D0C0C}
+	EndGlobalSection
+EndGlobal

GenshinLauncher/App.xaml

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+<Application x:Class="GenshinLauncher.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:GenshinLauncher"
+             xmlns:s="https://github.com/canton7/Stylet"
+             xmlns:ui="http://schemas.modernwpf.com/2019">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+
+                <s:ApplicationLoader>
+                    <s:ApplicationLoader.Bootstrapper>
+                        <local:Bootstrapper />
+                    </s:ApplicationLoader.Bootstrapper>
+                </s:ApplicationLoader>
+
+                <ui:ThemeResources />
+                <ui:XamlControlsResources />
+
+                <ui:IntellisenseResources Source="/ModernWpf;component/DesignTime/DesignTimeResources.xaml" />
+
+            </ResourceDictionary.MergedDictionaries>
+
+            <Style TargetType="ui:SimpleStackPanel">
+                <Setter Property="Spacing" Value="10" />
+                <Style.Resources>
+                    <Style TargetType="ComboBox" BasedOn="{StaticResource {x:Type ComboBox}}">
+                        <Setter Property="MinWidth" Value="200" />
+                    </Style>
+                    <Style TargetType="TextBox" BasedOn="{StaticResource {x:Type TextBox}}">
+                        <Setter Property="MinWidth" Value="200" />
+                    </Style>
+                    <Style TargetType="Button" BasedOn="{StaticResource {x:Type Button}}">
+                        <Setter Property="MinWidth" Value="125" />
+                    </Style>
+                </Style.Resources>
+            </Style>
+
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

GenshinLauncher/App.xaml.cs

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+using System.Windows;
+
+namespace GenshinLauncher
+{
+    /// <summary>
+    ///     Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

GenshinLauncher/AssemblyInfo.cs

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+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+    //(used if a resource is not found in the page,
+    // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+    //(used if a resource is not found in the page,
+    // app, or any theme specific resource dictionaries)
+)]

GenshinLauncher/Bootstrapper.cs

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+using System.Diagnostics;
+using System.Windows;
+using System.Windows.Documents;
+using System.Windows.Navigation;
+using GenshinLauncher.ViewModels;
+using Stylet;
+
+namespace GenshinLauncher
+{
+    public class Bootstrapper : Bootstrapper<MainWindowViewModel>
+    {
+        protected override void Configure()
+        {
+            // Make Hyperlinks handle themselves
+            EventManager.RegisterClassHandler(
+                typeof(Hyperlink), Hyperlink.RequestNavigateEvent,
+                new RequestNavigateEventHandler((_, e) =>
+                {
+                    var url = e.Uri.ToString();
+                    Process.Start(new ProcessStartInfo(url)
+                    {
+                        UseShellExecute = true
+                    });
+                })
+            );
+        }
+    }
+}

GenshinLauncher/FodyWeavers.xml

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+<Weavers xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="FodyWeavers.xsd">
+  <PropertyChanged />
+</Weavers>

GenshinLauncher/FodyWeavers.xsd

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+<?xml version="1.0" encoding="utf-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
+  <!-- This file was generated by Fody. Manual changes to this file will be lost when your project is rebuilt. -->
+  <xs:element name="Weavers">
+    <xs:complexType>
+      <xs:all>
+        <xs:element name="PropertyChanged" minOccurs="0" maxOccurs="1">
+          <xs:complexType>
+            <xs:attribute name="InjectOnPropertyNameChanged" type="xs:boolean">
+              <xs:annotation>
+                <xs:documentation>Used to control if the On_PropertyName_Changed feature is enabled.</xs:documentation>
+              </xs:annotation>
+            </xs:attribute>
+            <xs:attribute name="TriggerDependentProperties" type="xs:boolean">
+              <xs:annotation>
+                <xs:documentation>Used to control if the Dependent properties feature is enabled.</xs:documentation>
+              </xs:annotation>
+            </xs:attribute>
+            <xs:attribute name="EnableIsChangedProperty" type="xs:boolean">
+              <xs:annotation>
+                <xs:documentation>Used to control if the IsChanged property feature is enabled.</xs:documentation>
+              </xs:annotation>
+            </xs:attribute>
+            <xs:attribute name="EventInvokerNames" type="xs:string">
+              <xs:annotation>
+                <xs:documentation>Used to change the name of the method that fires the notify event. This is a string that accepts multiple values in a comma separated form.</xs:documentation>
+              </xs:annotation>
+            </xs:attribute>
+            <xs:attribute name="CheckForEquality" type="xs:boolean">
+              <xs:annotation>
+                <xs:documentation>Used to control if equality checks should be inserted. If false, equality checking will be disabled for the project.</xs:documentation>
+              </xs:annotation>
+            </xs:attribute>
+            <xs:attribute name="CheckForEqualityUsingBaseEquals" type="xs:boolean">
+              <xs:annotation>
+                <xs:documentation>Used to control if equality checks should use the Equals method resolved from the base class.</xs:documentation>
+              </xs:annotation>
+            </xs:attribute>
+            <xs:attribute name="UseStaticEqualsFromBase" type="xs:boolean">
+              <xs:annotation>
+                <xs:documentation>Used to control if equality checks should use the static Equals method resolved from the base class.</xs:documentation>
+              </xs:annotation>
+            </xs:attribute>
+            <xs:attribute name="SuppressWarnings" type="xs:boolean">
+              <xs:annotation>
+                <xs:documentation>Used to turn off build warnings from this weaver.</xs:documentation>
+              </xs:annotation>
+            </xs:attribute>
+            <xs:attribute name="SuppressOnPropertyNameChangedWarning" type="xs:boolean">
+              <xs:annotation>
+                <xs:documentation>Used to turn off build warnings about mismatched On_PropertyName_Changed methods.</xs:documentation>
+              </xs:annotation>
+            </xs:attribute>
+          </xs:complexType>
+        </xs:element>
+      </xs:all>
+      <xs:attribute name="VerifyAssembly" type="xs:boolean">
+        <xs:annotation>
+          <xs:documentation>'true' to run assembly verification (PEVerify) on the target assembly after all weavers have been executed.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+      <xs:attribute name="VerifyIgnoreCodes" type="xs:string">
+        <xs:annotation>
+          <xs:documentation>A comma-separated list of error codes that can be safely ignored in assembly verification.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+      <xs:attribute name="GenerateXsd" type="xs:boolean">
+        <xs:annotation>
+          <xs:documentation>'false' to turn off automatic generation of the XML Schema file.</xs:documentation>
+        </xs:annotation>
+      </xs:attribute>
+    </xs:complexType>
+  </xs:element>
+</xs:schema>

GenshinLauncher/GenshinLauncher.csproj

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+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <UseWPF>true</UseWPF>
+    <LangVersion>latest</LangVersion>
+    <ApplicationManifest>app.manifest</ApplicationManifest>
+    <Authors>sabihoshi</Authors>
+    <Copyright />
+    <PackageLicenseFile>LICENSE.md</PackageLicenseFile>
+    <PackageProjectUrl></PackageProjectUrl>
+    <RepositoryUrl>https://github.com/sabihoshi/GenshinLauncher</RepositoryUrl>
+    <Description>A Genshin Impact launcher with more options in Modern Fluent UI.</Description>
+    <ApplicationIcon>GenshinImpactIcon.ico</ApplicationIcon>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="CliWrap" Version="3.3.2" />
+    <PackageReference Include="ModernWpfUI" Version="0.9.4" />
+    <PackageReference Include="PropertyChanged.Fody" Version="3.3.3" />
+    <PackageReference Include="Stylet" Version="1.3.6" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <None Include="..\LICENSE.md">
+      <Pack>True</Pack>
+      <PackagePath></PackagePath>
+    </None>
+  </ItemGroup>
+</Project>

GenshinLauncher/Models/Quality.cs

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+namespace GenshinLauncher.Models
+{
+    public enum Quality
+    {
+        Default,
+        Fastest,
+        Fast,
+        Simple,
+        Good,
+        Beautiful,
+        Fantastic,
+        Console
+    }
+}

GenshinLauncher/ViewModels/MainWindowViewModel.cs

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+using System.Linq;
+using System.Threading.Tasks;
+using CliWrap;
+using Stylet;
+
+namespace GenshinLauncher.ViewModels
+{
+    public class MainWindowViewModel : Screen
+    {
+        public MainWindowViewModel()
+        {
+            Quality    = new();
+            Resolution = Resolution.Presets.Last();
+        }
+
+        public bool Fullscreen { get; set; } = true;
+
+        public bool Borderless { get; set; }
+
+        public Command Client => Cli.Wrap(GenshinLocation);
+
+        public QualityViewModel Quality { get; }
+
+        public Resolution Resolution { get; set; }
+
+        public string Title { get; } = "Genshin Impact Launcher";
+
+        public string GenshinLocation { get; set; } =
+            @"C:\Program Files\Genshin Impact\Genshin Impact Game\GenshinImpact.exe";
+
+        public async Task<CommandResult> LaunchSelector() =>
+            await Client.WithArguments("-show-screen-selector")
+               .ExecuteAsync();
+
+        public void LaunchGame()
+        {
+            var client = Client
+               .WithArguments(args => args
+                   .Add("-screen-width").Add(Resolution.Width)
+                   .Add("-screen-height").Add(Resolution.Height)
+                   .Add("-screen-fullscreen").Add(Fullscreen ? 1 : 0));
+
+            if (Borderless)
+                client = client.WithArguments(args => args
+                   .Add("-popupwindow"));
+
+            if (Quality.SelectedQuality != Models.Quality.Default)
+                client = client.WithArguments(args => args
+                   .Add("-screen-quality").Add(Quality.SelectedQuality));
+
+            _ = client.ExecuteAsync();
+        }
+    }
+}

GenshinLauncher/ViewModels/QualityViewModel.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using GenshinLauncher.Models;
+using Stylet;
+
+namespace GenshinLauncher.ViewModels
+{
+    public class QualityViewModel : Screen
+    {
+        public IEnumerable<Quality> Qualities { get; } = Enum.GetValues(typeof(Quality)).Cast<Quality>();
+
+        public Quality SelectedQuality { get; set; } = Quality.Default;
+    }
+}

GenshinLauncher/ViewModels/Resolution.cs

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+using System.Collections.Generic;
+
+namespace GenshinLauncher.ViewModels
+{
+    public class Resolution
+    {
+        public static List<Resolution> Presets = new()
+        {
+            new(640, 480),
+            new(720, 400),
+            new(720, 480),
+            new(800, 600),
+            new(1024, 768),
+            new(1152, 864),
+            new(1280, 720),
+            new(1280, 800),
+            new(1280, 960),
+            new(1280, 1024),
+            new(1336, 768),
+            new(1600, 900),
+            new(1680, 1050),
+            new(1920, 1080)
+        };
+
+        public Resolution(int width, int height)
+        {
+            Width  = width;
+            Height = height;
+        }
+
+        public int Width { get; set; }
+
+        public int Height { get; set; }
+
+        public override string ToString() => $"{Width}x{Height}";
+    }
+}