5.3.0

- Trigger InputHandler key and gamepad repeats for the most recently pressed input
- Added InputHandler.TryGetDownTime and store the down times of inputs
- Removed InputHandler.StoreAllActiveInputs and always store all active inputs

CHANGELOG.md

@@ -2,10 +2,95 @@
 MLEM tries to adhere to [semantic versioning](https://semver.org/). Breaking changes are written in **bold**.
 
 Jump to version:
+- [5.3.0](#530)
 - [5.2.0](#520)
 - [5.1.0](#510)
 - [5.0.0](#500)
 
+## 5.3.0
+### MLEM
+Additions
+- Added StringBuilder overloads to GenericFont
+- Added ColorExtensions.Multiply
+- Added SoundEffectInstanceHandler.Stop
+- Added TextureRegion.OffsetCopy
+- Added RectangleF.DistanceSquared and RectangleF.Distance
+- Added GamepadExtensions.GetAnalogValue to get the analog value of any gamepad button
+- Added InputHandler.TryGetDownTime
+
+Improvements
+- Generify GenericFont's string drawing
+- Added InputHandler mouse and touch position querying that preserves the game's viewport
+- Added float version of GetRandomWeightedEntry
+- Allow LinkCode to specify a color to draw with
+- Allow better control over the order and layout of a Keybind's combinations
+- Allow setting a gamepad button deadzone in InputHandler
+- Trigger InputHandler key and gamepad repeats for the most recently pressed input
+- Added properties and constructors for existing operator overloads to GenericInput
+
+Fixes
+- **Fixed a formatting Code only knowing about the last Token that it is applied in**
+- Fixed Code.Draw receiving the index in the current line rather than the current token
+- Fixed StaticSpriteBatch handling rotated sprites incorrectly
+- Fixed InputHandler.InputsPressed ignoring repeat events for keyboards and gamepads
+
+Removals
+- **Removed InputHandler.StoreAllActiveInputs and always store all active inputs**
+- Renamed GenericFont.OneEmSpace to Emsp (and marked OneEmSpace as obsolete)
+
+### MLEM.Ui
+Additions
+- Added Element.OnStyleInit event
+- Added UiControls.AutoNavModeChanged event
+
+Improvements
+- Allow for checkboxes and radio buttons to be disabled
+- Only set a paragraph's area dirty when a text change would cause it to change size
+- Ensure that a panel gets notified of all relevant changes by calling OnChildAreaDirty for all grandchildren
+- Avoid unnecessary panel updates by using an Epsilon comparison when scrolling children
+- Allow setting a default text alignment for paragraphs in UiStyle
+- Made custom values of Element.Style persist when a new ui style is set
+- Update elements less aggressively when changing a ui system's style
+- Automatically update all elements when changing a ui system's viewport
+- Allow setting a default color for clickable links in UiStyle
+- Allow ElementHelper's KeybindButton to query a combination at a given index
+- Allow ElementHelper's KeybindButton to accept a Keybind for clearing a combination
+- Automatically select the first element when a dropdown is opened in auto nav mode
+- Improved gamepad navigation by employing angles between elements
+- Prefer elements that have the same parent as the currently selected element when using gamepad navigation
+- Allow specifying a custom position for a tooltip to snap to
+- Allow tooltips to display for elements when selected in auto-nav mode
+
+Fixes
+- Fixed paragraph links having incorrect hover locations when using special text alignments
+- Fixed the graphics device's viewport being ignored for mouse and touch queries
+- Fixed auto-navigating panels not scrolling to the center of elements properly
+- Fixed UiControls allowing for non-selectable or non-mouseable elements to be marked as selected or moused
+- Fixed buttons and checkboxes changing their CanBeSelected and CanBePressed values when being disabled
+- Fixed children of Panel scroll bars also being scrolled
+- Fixed RootElement.CanSelectContent and Element.IsSelected returning incorrect results when CanBeSelected changes
+- Fixed dropdowns with some non-selectable children failing to navigate when using gamepad controls
+- Fixed UiMetrics.ForceAreaUpdateTime being inaccurate for nested elements
+- Fixed tooltips sometimes ignoring manually set IsHidden values
+- Fixed delayed tooltips sometimes displaying in the wrong location for one frame
+
+Removals
+- Marked StyleProp equality members as obsolete
+- Marked Element.BeginDelegate and Element.BeginImpl as obsolete
+- Marked Element.DrawEarly and UiSystem.DrawEarly as obsolete
+
+### MLEM.Extended
+Improvements
+- Preserve texture region names when converting between MLEM and MG.Extended
+
+### MLEM.Data
+Improvements
+- Rethrow exceptions when no RawContentManager readers could be constructed
+- Make Newtonsoft.Json dependency optional
+
+Removals
+- Marked CopyExtensions as obsolete
+
 ## 5.2.0
 ### MLEM
 Additions

Demos.Android/Activity1.cs

@@ -8,6 +8,7 @@ using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Input;
 using MLEM.Extensions;
 using MLEM.Misc;
+using static Android.Views.SystemUiFlags;
 
 namespace Demos.Android {
     [Activity(
@@ -46,7 +47,8 @@ namespace Demos.Android {
         public override void OnWindowFocusChanged(bool hasFocus) {
             base.OnWindowFocusChanged(hasFocus);
             // hide the status bar
-            this.view.SystemUiVisibility = (StatusBarVisibility) (SystemUiFlags.LayoutStable | SystemUiFlags.LayoutHideNavigation | SystemUiFlags.LayoutFullscreen | SystemUiFlags.HideNavigation | SystemUiFlags.Fullscreen | SystemUiFlags.ImmersiveSticky);
+            if (hasFocus)
+                this.Window.DecorView.SystemUiVisibility = (StatusBarVisibility) (ImmersiveSticky | LayoutStable | LayoutHideNavigation | LayoutFullscreen | HideNavigation | Fullscreen);
         }
 
     }

Demos.Android/Demos.Android.csproj

@@ -45,6 +45,14 @@
         <WarningLevel>4</WarningLevel>
         <AndroidUseSharedRuntime>False</AndroidUseSharedRuntime>
         <AndroidLinkMode>SdkOnly</AndroidLinkMode>
+        <AotAssemblies>false</AotAssemblies>
+        <EnableLLVM>false</EnableLLVM>
+        <AndroidEnableProfiledAot>false</AndroidEnableProfiledAot>
+        <BundleAssemblies>false</BundleAssemblies>
+        <MandroidI18n />
+        <AndroidPackageFormat>aab</AndroidPackageFormat>
+        <AndroidUseAapt2>true</AndroidUseAapt2>
+        <AndroidCreatePackagePerAbi>false</AndroidCreatePackagePerAbi>
     </PropertyGroup>
     <ItemGroup>
         <Reference Include="System" />
@@ -75,22 +83,22 @@
         <PackageReference Include="TextCopy" Version="4.3.0" />
     </ItemGroup>
     <ItemGroup>
-      <ProjectReference Include="..\Demos\Demos.csproj">
+        <ProjectReference Include="..\Demos\Demos.csproj">
-        <Project>{1bc4682b-aa14-4937-b5c7-707e20fe88ff}</Project>
+            <Project>{1bc4682b-aa14-4937-b5c7-707e20fe88ff}</Project>
-        <Name>Demos</Name>
+            <Name>Demos</Name>
-      </ProjectReference>
+        </ProjectReference>
-      <ProjectReference Include="..\MLEM.Startup\MLEM.Startup.csproj">
+        <ProjectReference Include="..\MLEM.Startup\MLEM.Startup.csproj">
-        <Project>{997f4739-7bec-4621-b9ca-68deb2d74412}</Project>
+            <Project>{997f4739-7bec-4621-b9ca-68deb2d74412}</Project>
-        <Name>MLEM.Startup</Name>
+            <Name>MLEM.Startup</Name>
-      </ProjectReference>
+        </ProjectReference>
-      <ProjectReference Include="..\MLEM.Ui\MLEM.Ui.csproj">
+        <ProjectReference Include="..\MLEM.Ui\MLEM.Ui.csproj">
-        <Project>{6f00629a-8b87-4264-8896-19983285e32f}</Project>
+            <Project>{6f00629a-8b87-4264-8896-19983285e32f}</Project>
-        <Name>MLEM.Ui</Name>
+            <Name>MLEM.Ui</Name>
-      </ProjectReference>
+        </ProjectReference>
-      <ProjectReference Include="..\MLEM\MLEM.csproj">
+        <ProjectReference Include="..\MLEM\MLEM.csproj">
-        <Project>{1d6ab762-43c4-4775-8924-707c7ec3f142}</Project>
+            <Project>{1d6ab762-43c4-4775-8924-707c7ec3f142}</Project>
-        <Name>MLEM</Name>
+            <Name>MLEM</Name>
-      </ProjectReference>
+        </ProjectReference>
     </ItemGroup>
     <Import Project="$(MSBuildExtensionsPath)\Xamarin\Android\Xamarin.Android.CSharp.targets" />
 </Project>

Demos.Android/Properties/AndroidManifest.xml

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="de.ellpeck.mlem.demos.android" android:installLocation="auto" android:versionCode="1" android:versionName="1.0">
-<manifest xmlns:android="http://schemas.android.com/apk/res/android" package="de.ellpeck.mlem.demos.android" android:versionCode="1" android:versionName="1.0">
     <uses-sdk android:minSdkVersion="21" android:targetSdkVersion="29" />
-    <application android:label="MLEM Android Demos" />
+    <application android:label="MLEM Android Demos" android:resizeableActivity="true" />
 </manifest>

Demos.Android/Properties/AssemblyInfo.cs

@@ -12,17 +12,4 @@ using System.Runtime.InteropServices;
 [assembly: AssemblyCopyright("Copyright © 2018")]
 [assembly: AssemblyTrademark("")]
 [assembly: AssemblyCulture("")]
-[assembly: ComVisible(false)]
+[assembly: ComVisible(false)]
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]

Demos.DesktopGL/Demos.DesktopGL.csproj

@@ -1,25 +1,25 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
+    
     <PropertyGroup>
         <OutputType>Exe</OutputType>
         <TargetFramework>net5.0</TargetFramework>
         <ApplicationIcon>Icon.ico</ApplicationIcon>
         <AssemblyName>MLEM Desktop Demos</AssemblyName>
     </PropertyGroup>
-
+    
     <ItemGroup>
         <ProjectReference Include="..\Demos\Demos.csproj" />
         <ProjectReference Include="..\MLEM.Startup\MLEM.Startup.csproj" />
         <ProjectReference Include="..\MLEM.Ui\MLEM.Ui.csproj" />
         <ProjectReference Include="..\MLEM\MLEM.csproj" />
     </ItemGroup>
-
+    
     <ItemGroup>
         <PackageReference Include="MonoGame.Content.Builder.Task" Version="3.8.0.1641" />
         <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.0.1641" />
     </ItemGroup>
-
+    
-    <ItemGroup>    
+    <ItemGroup>
         <MonoGameContentReference Include="..\Demos\Content\Content.mgcb" />
         <Content Include="..\Demos\Content\*\**" />
         <EmbeddedResource Include="Icon.ico" />

Demos/AnimationDemo.cs

@@ -16,8 +16,7 @@ namespace Demos {
         private Group buttons;
         private bool stop;
 
-        public AnimationDemo(MlemGame game) : base(game) {
+        public AnimationDemo(MlemGame game) : base(game) {}
-        }
 
         public override void LoadContent() {
             base.LoadContent();

Demos/AutoTilingDemo.cs

@@ -15,8 +15,7 @@ namespace Demos {
         private Texture2D texture;
         private string[] layout;
 
-        public AutoTilingDemo(MlemGame game) : base(game) {
+        public AutoTilingDemo(MlemGame game) : base(game) {}
-        }
 
         public override void LoadContent() {
             base.LoadContent();

Demos/Demo.cs

@@ -19,17 +19,13 @@ namespace Demos {
             this.Game = game;
         }
 
-        public virtual void LoadContent() {
+        public virtual void LoadContent() {}
-        }
 
-        public virtual void Update(GameTime time) {
+        public virtual void Update(GameTime time) {}
-        }
 
-        public virtual void DoDraw(GameTime time) {
+        public virtual void DoDraw(GameTime time) {}
-        }
 
-        public virtual void Clear() {
+        public virtual void Clear() {}
-        }
 
         public static T LoadContent<T>(string name) {
             return MlemGame.LoadContent<T>(name);

Demos/Demos.csproj

@@ -1,15 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
+    
     <PropertyGroup>
         <TargetFramework>netstandard2.0</TargetFramework>
     </PropertyGroup>
-
+    
     <ItemGroup>
         <ProjectReference Include="..\MLEM.Startup\MLEM.Startup.csproj" />
         <ProjectReference Include="..\MLEM.Ui\MLEM.Ui.csproj" />
         <ProjectReference Include="..\MLEM\MLEM.csproj" />
     </ItemGroup>
-
+    
     <ItemGroup>
         <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.0.1641">
             <PrivateAssets>all</PrivateAssets>

Demos/EasingsDemo.cs

@@ -19,8 +19,7 @@ namespace Demos {
         private int current;
         private float progress;
 
-        public EasingsDemo(MlemGame game) : base(game) {
+        public EasingsDemo(MlemGame game) : base(game) {}
-        }
 
         public override void LoadContent() {
             base.LoadContent();

Demos/GameImpl.cs

@@ -9,6 +9,7 @@ using MLEM.Textures;
 using MLEM.Ui;
 using MLEM.Ui.Elements;
 using MLEM.Ui.Style;
+using MonoGame.Framework.Utilities;
 
 namespace Demos {
     public class GameImpl : MlemGame {
@@ -45,9 +46,12 @@ namespace Demos {
 
         protected override void LoadContent() {
             // TODO remove with MonoGame 3.8.1 https://github.com/MonoGame/MonoGame/issues/7298
-            this.GraphicsDeviceManager.PreferredBackBufferWidth = 1280;
+            if (PlatformInfo.MonoGamePlatform == MonoGamePlatform.DesktopGL) {
-            this.GraphicsDeviceManager.PreferredBackBufferHeight = 720;
+                this.GraphicsDeviceManager.PreferredBackBufferWidth = 1280;
-            this.GraphicsDeviceManager.ApplyChanges();
+                this.GraphicsDeviceManager.PreferredBackBufferHeight = 720;
+                this.GraphicsDeviceManager.ApplyChanges();
+            }
+
             base.LoadContent();
             this.UiSystem.AutoScaleReferenceSize = new Point(1280, 720);
             this.UiSystem.AutoScaleWithScreen = true;
@@ -68,7 +72,7 @@ namespace Demos {
                 IsHidden = true
             });
 
-            selection.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Select the demo you want to see below using your mouse, touch input, your keyboard or a controller. Check the demos' <c CornflowerBlue><l https://github.com/Ellpeck/MLEM/tree/main/Demos>source code</l></c> for more in-depth explanations of their functionality or the <c CornflowerBlue><l https://mlem.ellpeck.de/>website</l></c> for tutorials and API documentation."));
+            selection.AddChild(new Paragraph(Anchor.AutoLeft, 1, "Select the demo you want to see below using your mouse, touch input, your keyboard or a controller. Check the demos' <l https://github.com/Ellpeck/MLEM/tree/main/Demos>source code</l> for more in-depth explanations of their functionality or the <l https://mlem.ellpeck.de/>website</l> for tutorials and API documentation."));
             selection.AddChild(new VerticalSpace(5));
             foreach (var demo in Demos) {
                 selection.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 10), demo.Key, demo.Value.Item1) {
@@ -95,7 +99,8 @@ namespace Demos {
                 PanelTexture = new NinePatch(new TextureRegion(tex, 0, 8, 24, 24), 8),
                 ButtonTexture = new NinePatch(new TextureRegion(tex, 24, 8, 16, 16), 4),
                 ScrollBarBackground = new NinePatch(new TextureRegion(tex, 12, 0, 4, 8), 1, 1, 2, 2),
-                ScrollBarScrollerTexture = new NinePatch(new TextureRegion(tex, 8, 0, 4, 8), 1, 1, 2, 2)
+                ScrollBarScrollerTexture = new NinePatch(new TextureRegion(tex, 8, 0, 4, 8), 1, 1, 2, 2),
+                LinkColor = Color.CornflowerBlue
             };
         }
 

Demos/PathfindingDemo.cs

@@ -18,8 +18,7 @@ namespace Demos {
         private List<Point> path;
         private Button regenerateButton;
 
-        public PathfindingDemo(MlemGame game) : base(game) {
+        public PathfindingDemo(MlemGame game) : base(game) {}
-        }
 
         private async void Init() {
             this.path = null;

Demos/UiDemo.cs

@@ -23,8 +23,7 @@ namespace Demos {
         private NinePatch testPatch;
         private Panel root;
 
-        public UiDemo(MlemGame game) : base(game) {
+        public UiDemo(MlemGame game) : base(game) {}
-        }
 
         public override void LoadContent() {
             this.testTexture = LoadContent<Texture2D>("Textures/Test");
@@ -48,7 +47,8 @@ namespace Demos {
                 CheckboxCheckmark = new TextureRegion(this.testTexture, 24, 0, 8, 8),
                 RadioTexture = new NinePatch(new TextureRegion(this.testTexture, 16, 0, 8, 8), 3),
                 RadioCheckmark = new TextureRegion(this.testTexture, 32, 0, 8, 8),
-                AdditionalFonts = {{"Monospaced", new GenericSpriteFont(LoadContent<SpriteFont>("Fonts/MonospacedFont"))}}
+                AdditionalFonts = {{"Monospaced", new GenericSpriteFont(LoadContent<SpriteFont>("Fonts/MonospacedFont"))}},
+                LinkColor = Color.CornflowerBlue
             };
             var untexturedStyle = new UntexturedStyle(this.SpriteBatch) {
                 TextScale = style.TextScale,
@@ -82,7 +82,7 @@ namespace Demos {
             this.root.AddChild(new Button(Anchor.AutoCenter, new Vector2(1, 10), "Change Style") {
                 OnPressed = element => this.UiSystem.Style = this.UiSystem.Style == untexturedStyle ? style : untexturedStyle,
                 PositionOffset = new Vector2(0, 1),
-                Texture = this.testPatch
+                Style = untexturedStyle
             });
 
             this.root.AddChild(new VerticalSpace(3));
@@ -207,8 +207,15 @@ namespace Demos {
 
             this.root.AddChild(new VerticalSpace(3));
             this.root.AddChild(new Button(Anchor.AutoLeft, new Vector2(1, 10), "Disabled button", "This button can't be clicked or moved to using automatic navigation") {IsDisabled = true}).PositionOffset = new Vector2(0, 1);
+            this.root.AddChild(new Checkbox(Anchor.AutoLeft, new Vector2(1, 10), "Disabled checkbox") {IsDisabled = true}).PositionOffset = new Vector2(0, 1);
+            this.root.AddChild(new Button(Anchor.AutoLeft, new Vector2(1, 10), "Disabled tooltip button", "This button can't be clicked, but can be moved to using automatic navigation, and will display its tooltip even when done so.") {
+                CanSelectDisabled = true,
+                IsDisabled = true,
+                Tooltip = {DisplayInAutoNavMode = true},
+                PositionOffset = new Vector2(0, 1)
+            });
 
-            const string alignText = "Paragraphs can have <c CornflowerBlue><l Left>left</l></c> aligned text, <c CornflowerBlue><l Right>right</l></c> aligned text and <c CornflowerBlue><l Center>center</l></c> aligned text.";
+            const string alignText = "Paragraphs can have <l Left>left</l> aligned text, <l Right>right</l> aligned text and <l Center>center</l> aligned text.";
             this.root.AddChild(new VerticalSpace(3));
             var alignPar = this.root.AddChild(new Paragraph(Anchor.AutoLeft, 1, alignText));
             alignPar.LinkAction = (l, c) => {

Docs/articles/ui.md

@@ -22,9 +22,6 @@ protected override void Update(GameTime gameTime) {
 }
 
 protected override void Draw(GameTime gameTime) {
-    // DrawEarly needs to be called before clearing your graphics context
-    this.UiSystem.DrawEarly(gameTime, this.SpriteBatch);
-    
     this.GraphicsDevice.Clear(Color.CornflowerBlue);
     // Do your regular game drawing here
     

Docs/docfx.json

@@ -1,18 +1,13 @@
 {
-    "metadata": [
+    "metadata": [{
-        {
+        "src": [{
-            "src": [
+            "src": "../",
-                {
+            "files": ["**/MLEM**.csproj"]
-                    "src": "../",
+        }],
-                    "files": ["**/MLEM**.csproj"]
+        "dest": "api"
-                }
+    }],
-            ],
-            "dest": "api"
-        }
-    ],
     "build": {
-        "content": [
+        "content": [{
-            {
                 "files": [
                     "articles/**.md",
                     "articles/**/toc.yml",
@@ -28,8 +23,7 @@
                 "src": ".."
             }
         ],
-        "resource": [
+        "resource": [{
-            {
                 "files": [
                     "favicon.ico"
                 ]
@@ -42,7 +36,7 @@
         "globalMetadata": {
             "_appTitle": "MLEM Documentation",
             "_appLogoPath": "Logo.svg",
-            "_appFooter": "<a href=\"https://github.com/Ellpeck/MLEM\">&copy; 2019-2021 Ellpeck</a> &ndash; <a href=\"https://ellpeck.de/impressum\">Impressum</a> &ndash; <a href=\"https://ellpeck.de/privacy\">Privacy</a>",
+            "_appFooter": "<a href=\"https://github.com/Ellpeck/MLEM\">&copy; 2019-2021 Ellpeck</a> &ndash; <a href=\"https://ellpeck.de/impressum\">Impressum</a> &ndash; <a href=\"https://ellpeck.de/privacy\">Privacy</a> &ndash; <a href=\"https://status.ellpeck.de\">Status</a>",
             "_enableSearch": true
         },
         "dest": "_site",
@@ -50,7 +44,8 @@
         "fileMetadataFiles": [],
         "template": [
             "default",
-            "template"
+            "templates/darkfx",
+            "templates/custom"
         ],
         "postProcessors": [],
         "markdownEngineName": "markdig",

Docs/index.md

@@ -14,13 +14,14 @@
 - **MLEM** is the base package, which provides extension methods and additional features for MonoGame
 - **MLEM.Ui** features a mouse, keyboard, gamepad and touch ready Ui system that features automatic anchoring, sizing and several ready-to-use element types
 - **MLEM.Extended** ties in with MonoGame.Extended and other MonoGame libraries
-- **MLEM.Data** provides simple data handling
+- **MLEM.Data** provides simple loading and processing of textures and data
 - **MLEM.Startup** combines MLEM with some other useful libraries into a quick Game startup class
 - **MLEM.Templates** contains cross-platform project templates
 
 # Made with MLEM
 - [A Breath of Spring Air](https://ellpeck.itch.io/a-breath-of-spring-air), a short platformer ([Source](https://git.ellpeck.de/Ellpeck/GreatSpringGameJam))
 - [Don't Wake Up](https://ellpeck.itch.io/dont-wake-up), a short puzzle game ([Source](https://github.com/Ellpeck/DontLetGo))
+- [Pong clone](https://github.com/luanfagu/pong), a very simple pong clone ([Source](https://github.com/luanfagu/pong))
 - [Tiny Life](https://tinylifegame.com), an isometric life simulation game ([Modding API](https://github.com/Ellpeck/TinyLifeExampleMod))
 
 If you created a game with the help of MLEM, you can get it added to this list by submitting it on the [issue tracker](https://github.com/Ellpeck/MLEM/issues). If its source is public, other people will be able to use your project as an example, too!
@@ -37,8 +38,9 @@ MLEM's [text formatting system](https://mlem.ellpeck.de/articles/text_formatting
 ![An image showing text with various colors and other formatting](https://raw.githubusercontent.com/Ellpeck/MLEM/release/Media/Formatting.png)
 
 # Friends of MLEM
-There are several other NuGet packages and tools that work well in combination with MonoGame and MLEM. Here are some of them:
+There are several other libraries and tools that work well in combination with MonoGame and MLEM. Here are some of them:
 - [Contentless](https://github.com/Ellpeck/Contentless), a tool that removes the need to add assets to the MonoGame Content Pipeline manually
 - [GameBundle](https://github.com/Ellpeck/GameBundle), a tool that packages MonoGame and other .NET Core applications into several distributable formats
 - [MonoGame.Extended](https://github.com/craftworkgames/MonoGame.Extended), a package that also provides several additional features for MonoGame
-- [Coroutine](https://github.com/Ellpeck/Coroutine), a package that implements Unity-style coroutines for any project
+- [Coroutine](https://github.com/Ellpeck/Coroutine), a package that implements Unity-style coroutines for any project
+- [Illumilib](https://github.com/Ellpeck/Illumilib), a simple keyboard and mouse lighting library with support for Razer, Logitech and Corsair devices

Docs/templates/darkfx/partials/affix.tmpl.partial

@@ -0,0 +1,40 @@
+{{!Copyright (c) Microsoft. All rights reserved. Licensed under the MIT license. See LICENSE file in the project root for full license information.}}
+
+<div class="hidden-sm col-md-2" role="complementary">
+  <div class="sideaffix">
+    {{^_disableContribution}}
+    <div class="contribution">
+      <ul class="nav">
+        {{#docurl}}
+        <li>
+          <a href="{{docurl}}" class="contribution-link">{{__global.improveThisDoc}}</a>
+        </li>
+        {{/docurl}}
+        {{#sourceurl}}
+        <li>
+          <a href="{{sourceurl}}" class="contribution-link">{{__global.viewSource}}</a>
+        </li>
+        {{/sourceurl}}
+      </ul>
+    </div>
+    {{/_disableContribution}}
+    <div class="toggle-mode">
+      <div class="icon">
+        <i aria-hidden="true">☀</i>
+      </div>
+      <label class="switch">
+        <input type="checkbox" id="switch-style">
+        <span class="slider round"></span>
+      </label>
+      <div class="icon">
+        <i aria-hidden="true">☾</i>
+      </div>
+    </div>
+
+    <nav class="bs-docs-sidebar hidden-print hidden-xs hidden-sm affix" id="affix">
+    <h5>{{__global.inThisArticle}}</h5>
+    <div></div>
+    <!-- <p><a class="back-to-top" href="#top">Back to top</a><p> -->
+    </nav>
+  </div>
+</div>

Docs/templates/darkfx/partials/footer.tmpl.partial

@@ -0,0 +1,29 @@
+{{!Copyright (c) Microsoft. All rights reserved. Licensed under the MIT license. See LICENSE file in the project root for full license information.}}
+
+<footer>
+  <div class="grad-bottom"></div>
+  <div class="footer">
+    <div class="container">
+      <span class="pull-right">
+        <a href="#top">Back to top</a>
+      </span>
+      <div class="pull-left">
+        {{{_appFooter}}}
+        {{^_appFooter}}<span>Generated by <strong>DocFX</strong></span>{{/_appFooter}}
+      </div>
+      <div class="toggle-mode pull-right visible-sm visible-xs">
+        <div class="icon">
+          <i aria-hidden="true">☀</i>
+        </div>
+        <label class="switch">
+          <input type="checkbox" id="switch-style-m">
+          <span class="slider round"></span>
+        </label>
+        <div class="icon">
+          <i aria-hidden="true">☾</i>
+        </div>
+      </div>
+    </div>
+  </div>
+  <script type="text/javascript" src="{{_rel}}styles/toggle-theme.js"></script>
+</footer>

Docs/templates/darkfx/partials/head.tmpl.partial

@@ -0,0 +1,20 @@
+{{!Copyright (c) Oscar Vasquez. All rights reserved. Licensed under the MIT license. See LICENSE file in the project root for full license information.}}
+
+<head>
+  <meta charset="utf-8">
+  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
+  <title>{{#title}}{{title}}{{/title}}{{^title}}{{>partials/title}}{{/title}} {{#_appTitle}}| {{_appTitle}} {{/_appTitle}}</title>
+  <meta name="viewport" content="width=device-width">
+  <meta name="title" content="{{#title}}{{title}}{{/title}}{{^title}}{{>partials/title}}{{/title}} {{#_appTitle}}| {{_appTitle}} {{/_appTitle}}">
+  <meta name="generator" content="docfx {{_docfxVersion}}">
+  {{#_description}}<meta name="description" content="{{_description}}">{{/_description}}
+  <link rel="shortcut icon" href="{{_rel}}{{{_appFaviconPath}}}{{^_appFaviconPath}}favicon.ico{{/_appFaviconPath}}">
+  <link rel="stylesheet" href="{{_rel}}styles/docfx.vendor.css">
+  <link rel="stylesheet" href="{{_rel}}styles/docfx.css">
+  <link rel="stylesheet" href="{{_rel}}styles/main.css">
+  <meta property="docfx:navrel" content="{{_navRel}}">
+  <meta property="docfx:tocrel" content="{{_tocRel}}">
+  {{#_noindex}}<meta name="searchOption" content="noindex">{{/_noindex}}
+  {{#_enableSearch}}<meta property="docfx:rel" content="{{_rel}}">{{/_enableSearch}}
+  {{#_enableNewTab}}<meta property="docfx:newtab" content="true">{{/_enableNewTab}}
+</head>

Docs/templates/darkfx/styles/main.css

@@ -0,0 +1,470 @@
+:root, body.dark-theme {
+  --color-foreground: #ccd5dc;
+  --color-navbar: #66666d;
+  --color-breadcrumb: #999;
+  --color-underline: #ddd;
+  --color-toc-hover: #fff;
+  --color-background: #2d2d30;
+  --color-background-subnav: #333337;
+  --color-background-dark: #1e1e1e;
+  --color-background-table-alt: #212123;
+  --color-background-quote: #69696e;
+}
+
+body.light-theme {
+  --color-foreground: #171717;
+  --color-breadcrumb: #4a4a4a;
+  --color-toc-hover: #4c4c4c;
+  --color-background: #ffffff;
+  --color-background-subnav: #f5f5f5;
+  --color-background-dark: #ddd;
+  --color-background-table-alt: #f9f9f9;
+}
+
+body {
+  color: var(--color-foreground);
+  line-height: 1.5;
+  font-size: 14px;
+  -ms-text-size-adjust: 100%;
+  -webkit-text-size-adjust: 100%;
+  word-wrap: break-word;
+  background-color: var(--color-background);
+}
+
+.btn.focus, .btn:focus, .btn:hover {
+  color: var(--color-foreground);
+}
+
+h1 {
+  font-weight: 600;
+  font-size: 32px;
+}
+
+h2 {
+  font-weight: 600;
+  font-size: 24px;
+  line-height: 1.8;
+}
+
+h3 {
+  font-weight: 600;
+  font-size: 20px;
+  line-height: 1.8;
+}
+
+h5 {
+  font-size: 14px;
+  padding: 10px 0px;
+}
+
+article h1, article h2, article h3, article h4 {
+  margin-top: 35px;
+  margin-bottom: 15px;
+}
+
+article h4 {
+  padding-bottom: 8px;
+  border-bottom: 2px solid var(--color-underline);
+}
+
+.navbar-brand>img {
+  color: var(--color-background);
+}
+
+.navbar {
+  border: none;
+}
+
+.subnav {
+  border-top: 1px solid var(--color-underline);
+  background-color: var(--color-background-subnav);
+}
+
+.sidenav, .fixed_header, .toc {
+  background-color: var(--color-background);
+}
+
+.navbar-inverse {
+  background-color: var(--color-background-dark);
+  z-index: 100;
+}
+
+.navbar-inverse .navbar-nav>li>a, .navbar-inverse .navbar-text {
+  color: var(--color-navbar);
+  background-color: var(--color-background-dark);
+  border-bottom: 3px solid transparent;
+  padding-bottom: 12px;
+}
+
+.navbar-inverse .navbar-nav>li>a:focus, .navbar-inverse .navbar-nav>li>a:hover {
+  color: var(--color-foreground);
+  background-color: var(--color-background-dark);
+  border-bottom: 3px solid var(--color-background-subnav);
+  transition: all ease 0.25s;
+}
+
+.navbar-inverse .navbar-nav>.active>a, .navbar-inverse .navbar-nav>.active>a:focus, .navbar-inverse .navbar-nav>.active>a:hover {
+  color: var(--color-foreground);
+  background-color: var(--color-background-dark);
+  border-bottom: 3px solid var(--color-foreground);
+  transition: all ease 0.25s;
+}
+
+.navbar-form .form-control {
+  border: none;
+  border-radius: 0;
+}
+
+.light-theme .navbar-brand svg {
+  filter: brightness(20%);
+}
+
+.toc .level1>li {
+  font-weight: 400;
+}
+
+.toc .nav>li>a {
+  color: var(--color-foreground);
+}
+
+.sidefilter {
+  background-color: var(--color-background);
+  border-left: none;
+  border-right: none;
+}
+
+.sidefilter {
+  background-color: var(--color-background);
+  border-left: none;
+  border-right: none;
+}
+
+.toc-filter {
+  padding: 10px;
+  margin: 0;
+  background-color: var(--color-background);
+}
+
+.toc-filter>input {
+  border: none;
+  border-radius: unset;
+  background-color: var(--color-background-subnav);
+  padding: 5px 0 5px 20px;
+  font-size: 90%
+}
+
+.toc-filter>.clear-icon {
+  position: absolute;
+  top: 17px;
+  right: 15px;
+}
+
+.toc-filter>input:focus {
+  color: var(--color-foreground);
+  transition: all ease 0.25s;
+}
+
+.toc-filter>.filter-icon {
+  display: none;
+}
+
+.sidetoc>.toc {
+  background-color: var(--color-background);
+  overflow-x: hidden;
+}
+
+.sidetoc {
+  background-color: var(--color-background);
+  border: none;
+}
+
+.alert {
+  background-color: inherit;
+  border: none;
+  padding: 10px 0;
+  border-radius: 0;
+}
+
+.alert>p {
+  margin-bottom: 0;
+  padding: 5px 10px;
+  border-bottom: 1px solid;
+  background-color: var(--color-background-dark);
+}
+
+.alert>h5 {
+  padding: 10px 15px;
+  margin-top: 0;
+  margin-bottom: 0;
+  text-transform: uppercase;
+  font-weight: bold;
+  border-top: 2px solid;
+  background-color: var(--color-background-dark);
+  border-radius: none;
+}
+
+.alert>ul {
+  margin-bottom: 0;
+  padding: 5px 40px;
+}
+
+.alert-info {
+  color: #1976d2;
+}
+
+.alert-warning {
+  color: #f57f17;
+}
+
+.alert-danger {
+  color: #d32f2f;
+}
+
+pre {
+  padding: 9.5px;
+  margin: 0 0 10px;
+  font-size: 13px;
+  word-break: break-all;
+  word-wrap: break-word;
+  background-color: var(--color-background-dark);
+  border-radius: 0;
+  border: none;
+}
+
+code {
+  background: var(--color-background-dark) !important;
+  border-radius: 2px;
+}
+
+.hljs {
+  color: var(--color-foreground);
+}
+
+.toc .nav>li.active>.expand-stub::before, .toc .nav>li.in>.expand-stub::before, .toc .nav>li.in.active>.expand-stub::before, .toc .nav>li.filtered>.expand-stub::before {
+  content: "▾";
+}
+
+.toc .nav>li>.expand-stub::before, .toc .nav>li.active>.expand-stub::before {
+  content: "▸";
+}
+
+.affix ul ul>li>a:before {
+  content: "|";
+}
+
+.breadcrumb {
+  background-color: var(--color-background-subnav);
+}
+
+.breadcrumb .label.label-primary {
+  background: #444;
+  border-radius: 0;
+  font-weight: normal;
+  font-size: 100%;
+}
+
+#breadcrumb .breadcrumb>li a {
+  border-radius: 0;
+  font-weight: normal;
+  font-size: 85%;
+  display: inline;
+  padding: 0 .6em 0;
+  line-height: 1;
+  text-align: center;
+  white-space: nowrap;
+  vertical-align: baseline;
+  color: var(--color-breadcrumb);
+}
+
+#breadcrumb .breadcrumb>li a:hover {
+  color: var(--color-foreground);
+  transition: all ease 0.25s;
+}
+
+.breadcrumb>li+li:before {
+  content: "⯈";
+  font-size: 75%;
+  color: var(--color-background-dark);
+  padding: 0;
+}
+
+.light-theme .breadcrumb>li+li:before {
+  color: var(--color-foreground)
+ }
+
+.toc .level1>li {
+  font-weight: 600;
+  font-size: 130%;
+  padding-left: 5px;
+}
+
+.footer {
+  border-top: none;
+  background-color: var(--color-background-dark);
+  padding: 15px 0;
+  font-size: 90%;
+}
+
+.toc .nav>li>a:hover, .toc .nav>li>a:focus {
+  color: var(--color-toc-hover);
+  transition: all ease 0.1s;
+}
+
+.form-control {
+  background-color: var(--color-background-subnav);
+  border: none;
+  border-radius: 0;
+  -webkit-box-shadow: none;
+  box-shadow: none;
+}
+
+.form-control:focus {
+  border-color: #66afe9;
+  outline: 0;
+  -webkit-box-shadow: none;
+  box-shadow: none;
+}
+
+input#search-query:focus {
+  color: var(--color-foreground);
+}
+
+.table-bordered, .table-bordered>tbody>tr>td, .table-bordered>tbody>tr>th, .table-bordered>tfoot>tr>td, .table-bordered>tfoot>tr>th, .table-bordered>thead>tr>td, .table-bordered>thead>tr>th {
+  border: 1px solid var(--color-background-dark);
+}
+
+.table-striped>tbody>tr:nth-of-type(odd) {
+  background-color: var(--color-background-table-alt);
+}
+
+blockquote {
+  padding: 10px 20px;
+  margin: 0 0 10px;
+  font-size: 110%;
+  border-left: 5px solid var(--color-background-quote);
+  color: var(--color-background-quote);
+}
+
+.pagination>.disabled>a, .pagination>.disabled>a:focus, .pagination>.disabled>a:hover, .pagination>.disabled>span, .pagination>.disabled>span:focus, .pagination>.disabled>span:hover {
+  background-color: var(--color-background-subnav);
+  border-color: var(--color-background-subnav);
+}
+
+.breadcrumb>li, .pagination {
+  display: inline;
+}
+
+.tabGroup a[role="tab"] {
+  border-bottom: 2px solid var(--color-background-dark);
+}
+
+.tabGroup a[role="tab"][aria-selected="true"] {
+  color: var(--color-foreground);
+}
+
+.tabGroup section[role="tabpanel"] {
+  border: 1px solid var(--color-background-dark);
+}
+
+.sideaffix > div.contribution > ul > li > a.contribution-link:hover {
+  background-color: var(--color-background);
+}
+
+.switch {
+  position: relative;
+  display: inline-block;
+  width: 40px;
+  height: 20px;
+}
+
+.switch input { 
+  opacity: 0;
+  width: 0;
+  height: 0;
+}
+
+.slider {
+  position: absolute;
+  cursor: pointer;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background-color: #ccc;
+  -webkit-transition: .4s;
+  transition: .4s;
+}
+
+.slider:before {
+  position: absolute;
+  content: "";
+  height: 14px;
+  width: 14px;
+  left: 4px;
+  bottom: 3px;
+  background-color: white;
+  -webkit-transition: .4s;
+  transition: .4s;
+}
+
+input:checked + .slider {
+  background-color: #337ab7;
+}
+
+input:focus + .slider {
+  box-shadow: 0 0 1px #337ab7;
+}
+
+input:checked + .slider:before {
+  -webkit-transform: translateX(19px);
+  -ms-transform: translateX(19px);
+  transform: translateX(19px);
+}
+
+/* Rounded sliders */
+.slider.round {
+  border-radius: 20px;
+}
+
+.slider.round:before {
+  border-radius: 50%;
+}
+.toggle-mode .icon {
+  display: inline-block;
+}
+
+.toggle-mode .icon i {
+  font-style: normal;
+  font-size: 17px;
+  display: inline-block;
+  padding-right: 7px;
+  padding-left: 7px;
+  vertical-align: middle;
+}
+
+@media (min-width: 1600px) {
+  .container {
+    width: 100%;
+  }
+  .sidefilter {
+    width: 18%;
+  }
+  .sidetoc {
+    width: 18%;
+  }
+  .article.grid-right {
+    margin-left: 19%;
+  }
+  .sideaffix {
+    width: 11.5%;
+  }
+  .affix ul>li.active>a {
+    white-space: initial;
+  }
+  .affix ul>li>a {
+    width: 99%;
+    overflow: hidden;
+    white-space: nowrap;
+    text-overflow: ellipsis;
+  }
+}

Docs/templates/darkfx/styles/toggle-theme.js

@@ -0,0 +1,35 @@
+const sw = document.getElementById("switch-style"), sw_mobile = document.getElementById("switch-style-m"), b = document.body;
+if (b) {
+  function toggleTheme(target, dark) {
+    target.classList.toggle("dark-theme", dark)
+    target.classList.toggle("light-theme", !dark)
+  }
+
+  function switchEventListener() {
+    toggleTheme(b, this.checked);
+    if (window.localStorage) {
+      this.checked ? localStorage.setItem("theme", "dark-theme") : localStorage.setItem("theme", "light-theme")
+    }
+  }
+
+  var isDarkTheme = !window.localStorage || !window.localStorage.getItem("theme") || window.localStorage && localStorage.getItem("theme") === "dark-theme";
+
+  if(sw && sw_mobile){
+    sw.checked = isDarkTheme;
+    sw_mobile.checked = isDarkTheme;
+
+    sw.addEventListener("change", switchEventListener);
+    sw_mobile.addEventListener("change", switchEventListener);
+    
+    // sync state between switches
+    sw.addEventListener("change", function() {
+      sw_mobile.checked = this.checked;
+    });
+
+    sw_mobile.addEventListener("change", function() {
+      sw.checked = this.checked;
+    });
+  }
+
+  toggleTheme(b, isDarkTheme);
+}

MLEM.Data/Content/RawContentManager.cs

@@ -76,8 +76,7 @@ namespace MLEM.Data.Content {
                                 r.Name = assetName;
                             return t;
                         }
-                    } catch (FileNotFoundException) {
+                    } catch (FileNotFoundException) {}
-                    }
                 }
             }
             throw new ContentLoadException($"Asset {assetName} not found. Tried files {string.Join(", ", triedFiles)}");
@@ -96,11 +95,11 @@ namespace MLEM.Data.Content {
         /// <summary>
         /// Initializes the component. Used to load non-graphical resources.
         /// </summary>
-        public void Initialize() {
+        public void Initialize() {}
-        }
 
         private static List<RawContentReader> CollectContentReaders() {
             var ret = new List<RawContentReader>();
+            var assemblyExceptions = new List<Exception>();
             foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies()) {
                 try {
                     if (assembly.IsDynamic)
@@ -116,10 +115,12 @@ namespace MLEM.Data.Content {
                             throw new NotSupportedException($"The type {type} cannot be constructed by a RawContentManager. Does it have a visible parameterless constructor?", e);
                         }
                     }
-                } catch {
+                } catch (Exception e) {
-                    // ignored
+                    assemblyExceptions.Add(e);
                 }
             }
+            if (ret.Count <= 0)
+                throw new AggregateException("Failed to construct any RawContentReader instances", assemblyExceptions);
             return ret;
         }
 

MLEM.Data/ContentExtensions.cs

@@ -68,8 +68,7 @@ namespace MLEM.Data {
                         using (var reader = new JsonTextReader(stream))
                             return serializerToUse.Deserialize<T>(reader);
                     }
-                } catch (FileNotFoundException) {
+                } catch (FileNotFoundException) {}
-                }
             }
             throw new ContentLoadException($"Asset {name} not found. Tried files {string.Join(", ", triedFiles)}");
         }

MLEM.Data/CopyExtensions.cs

@@ -7,6 +7,7 @@ namespace MLEM.Data {
     /// <summary>
     /// A set of extensions for dealing with copying objects.
     /// </summary>
+    [Obsolete("CopyExtensions has major flaws and insufficient speed compared to other libraries specifically designed for copying objects.")]
     public static class CopyExtensions {
 
         private const BindingFlags DefaultFlags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic;
@@ -21,6 +22,7 @@ namespace MLEM.Data {
         /// <param name="fieldInclusion">A predicate that determines whether or not the given field should be copied. If null, all fields will be copied.</param>
         /// <typeparam name="T">The type of the object to copy</typeparam>
         /// <returns>A shallow copy of the object</returns>
+        [Obsolete("CopyExtensions has major flaws and insufficient speed compared to other libraries specifically designed for copying objects.")]
         public static T Copy<T>(this T obj, BindingFlags flags = DefaultFlags, Predicate<FieldInfo> fieldInclusion = null) {
             var copy = (T) Construct(typeof(T), flags);
             obj.CopyInto(copy, flags, fieldInclusion);
@@ -36,6 +38,7 @@ namespace MLEM.Data {
         /// <param name="fieldInclusion">A predicate that determines whether or not the given field should be copied. If null, all fields will be copied.</param>
         /// <typeparam name="T">The type of the object to copy</typeparam>
         /// <returns>A deep copy of the object</returns>
+        [Obsolete("CopyExtensions has major flaws and insufficient speed compared to other libraries specifically designed for copying objects.")]
         public static T DeepCopy<T>(this T obj, BindingFlags flags = DefaultFlags, Predicate<FieldInfo> fieldInclusion = null) {
             var copy = (T) Construct(typeof(T), flags);
             obj.DeepCopyInto(copy, flags, fieldInclusion);
@@ -50,6 +53,7 @@ namespace MLEM.Data {
         /// <param name="flags">The binding flags for field searching</param>
         /// <param name="fieldInclusion">A predicate that determines whether or not the given field should be copied. If null, all fields will be copied.</param>
         /// <typeparam name="T">The type of the object to copy</typeparam>
+        [Obsolete("CopyExtensions has major flaws and insufficient speed compared to other libraries specifically designed for copying objects.")]
         public static void CopyInto<T>(this T obj, T otherObj, BindingFlags flags = DefaultFlags, Predicate<FieldInfo> fieldInclusion = null) {
             foreach (var field in typeof(T).GetFields(flags)) {
                 if (fieldInclusion == null || fieldInclusion(field))
@@ -66,6 +70,7 @@ namespace MLEM.Data {
         /// <param name="flags">The binding flags for field searching</param>
         /// <param name="fieldInclusion">A predicate that determines whether or not the given field should be copied. If null, all fields will be copied.</param>
         /// <typeparam name="T">The type of the object to copy</typeparam>
+        [Obsolete("CopyExtensions has major flaws and insufficient speed compared to other libraries specifically designed for copying objects.")]
         public static void DeepCopyInto<T>(this T obj, T otherObj, BindingFlags flags = DefaultFlags, Predicate<FieldInfo> fieldInclusion = null) {
             foreach (var field in obj.GetType().GetFields(flags)) {
                 if (fieldInclusion != null && !fieldInclusion(field))
@@ -109,8 +114,6 @@ namespace MLEM.Data {
     /// <summary>
     /// An attribute that, when added to a constructor, will make that constructor the one used by <see cref="CopyExtensions.Copy{T}"/>, <see cref="CopyExtensions.DeepCopy{T}"/> and <see cref="CopyExtensions.DeepCopyInto{T}"/>.
     /// </summary>
-    [AttributeUsage(AttributeTargets.Constructor)]
+    [AttributeUsage(AttributeTargets.Constructor), Obsolete("CopyExtensions has major flaws and insufficient speed compared to other libraries specifically designed for copying objects.")]
-    public class CopyConstructorAttribute : Attribute {
+    public class CopyConstructorAttribute : Attribute {}
-
-    }
 }

MLEM.Data/Json/StaticJsonConverter.cs

@@ -29,9 +29,7 @@ namespace MLEM.Data.Json {
         /// </summary>
         /// <param name="type">The type that the dictionary is declared in</param>
         /// <param name="memberName">The name of the dictionary itself</param>
-        public StaticJsonConverter(Type type, string memberName) :
+        public StaticJsonConverter(Type type, string memberName) : this(GetEntries(type, memberName)) {}
-            this(GetEntries(type, memberName)) {
-        }
 
         /// <summary>Writes the JSON representation of the object.</summary>
         /// <param name="writer">The <see cref="T:Newtonsoft.Json.JsonWriter" /> to write to.</param>

MLEM.Data/MLEM.Data.csproj

@@ -4,10 +4,10 @@
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <ProduceReferenceAssembly>true</ProduceReferenceAssembly>
     </PropertyGroup>
-
+    
     <PropertyGroup>
         <Authors>Ellpeck</Authors>
-        <Description>Simple data handling for MLEM Library for Extending MonoGame</Description>
+        <Description>Simple loading and processing of textures and data for MLEM Library for Extending MonoGame</Description>
         <PackageReleaseNotes>See the full changelog at https://mlem.ellpeck.de/CHANGELOG</PackageReleaseNotes>
         <PackageTags>monogame ellpeck mlem utility extensions data serialize</PackageTags>
         <PackageProjectUrl>https://mlem.ellpeck.de/</PackageProjectUrl>
@@ -17,15 +17,17 @@
         <PackageReadmeFile>README.md</PackageReadmeFile>
         <NoWarn>NU1701</NoWarn>
     </PropertyGroup>
-
+    
     <ItemGroup>
-        <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
         <ProjectReference Include="..\MLEM\MLEM.csproj" />
-
+        
         <!--TODO remove lidgren support eventually (methods marked as obsolete since 5.2.0)-->
         <PackageReference Include="Lidgren.Network" Version="1.0.2">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1">
+            <PrivateAssets>all</PrivateAssets>
+        </PackageReference>
         <PackageReference Include="Newtonsoft.Json.Bson" Version="1.0.2">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
@@ -33,7 +35,7 @@
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
     </ItemGroup>
-
+    
     <ItemGroup>
         <None Include="../Media/Logo.png" Pack="true" PackagePath="" />
         <None Include="../Docs/index.md" Pack="true" PackagePath="README.md" />

MLEM.Extended/Extensions/TextureExtensions.cs

@@ -23,7 +23,7 @@ namespace MLEM.Extended.Extensions {
         /// <param name="region">The nine patch to convert</param>
         /// <returns>The converted nine patch</returns>
         public static TextureRegion2D ToExtended(this TextureRegion region) {
-            return new TextureRegion2D(region.Texture, region.U, region.V, region.Width, region.Height);
+            return new TextureRegion2D(region.Name, region.Texture, region.U, region.V, region.Width, region.Height);
         }
 
         /// <summary>
@@ -32,7 +32,7 @@ namespace MLEM.Extended.Extensions {
         /// <param name="patch">The nine patch to convert</param>
         /// <returns>The converted nine patch</returns>
         public static NinePatch ToMlem(this NinePatchRegion2D patch) {
-            return new NinePatch(new TextureRegion(patch.Texture, patch.Bounds), patch.LeftPadding, patch.RightPadding, patch.TopPadding, patch.BottomPadding);
+            return new NinePatch(((TextureRegion2D) patch).ToMlem(), patch.LeftPadding, patch.RightPadding, patch.TopPadding, patch.BottomPadding);
         }
 
         /// <summary>
@@ -41,7 +41,7 @@ namespace MLEM.Extended.Extensions {
         /// <param name="region">The nine patch to convert</param>
         /// <returns>The converted nine patch</returns>
         public static TextureRegion ToMlem(this TextureRegion2D region) {
-            return new TextureRegion(region.Texture, region.Bounds);
+            return new TextureRegion(region.Texture, region.Bounds) {Name = region.Name};
         }
 
     }

MLEM.Extended/Font/GenericBitmapFont.cs

@@ -1,4 +1,3 @@
-using System.Text;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
 using MLEM.Font;
@@ -38,14 +37,9 @@ namespace MLEM.Extended.Font {
             return region != null ? new Vector2(region.XAdvance, region.Height).X : 0;
         }
 
-        /// <inheritdoc/>
+        /// <inheritdoc />
-        public override void DrawString(SpriteBatch batch, string text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth) {
+        protected override void DrawChar(SpriteBatch batch, string cString, Vector2 position, Color color, float rotation, Vector2 scale, SpriteEffects effects, float layerDepth) {
-            batch.DrawString(this.Font, text, position, color, rotation, origin, scale, effects, layerDepth);
+            batch.DrawString(this.Font, cString, position, color, rotation, Vector2.Zero, scale, effects, layerDepth);
-        }
-
-        /// <inheritdoc/>
-        public override void DrawString(SpriteBatch batch, StringBuilder text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth) {
-            batch.DrawString(this.Font, text, position, color, rotation, origin, scale, effects, layerDepth);
         }
 
     }

MLEM.Extended/Font/GenericStashFont.cs

@@ -1,4 +1,3 @@
-using System.Text;
 using FontStashSharp;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
@@ -33,20 +32,15 @@ namespace MLEM.Extended.Font {
             this.Italic = italic != null ? new GenericStashFont(italic) : this;
         }
 
-        /// <inheritdoc />
-        public override void DrawString(SpriteBatch batch, string text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth) {
-            this.Font.DrawText(batch, text, position, color, scale, rotation, origin, layerDepth);
-        }
-
-        /// <inheritdoc />
-        public override void DrawString(SpriteBatch batch, StringBuilder text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth) {
-            this.Font.DrawText(batch, text, position, color, scale, rotation, origin, layerDepth);
-        }
-
         /// <inheritdoc />
         protected override float MeasureChar(char c) {
             return this.Font.MeasureString(c.ToCachedString()).X;
         }
 
+        /// <inheritdoc />
+        protected override void DrawChar(SpriteBatch batch, string cString, Vector2 position, Color color, float rotation, Vector2 scale, SpriteEffects effects, float layerDepth) {
+            this.Font.DrawText(batch, cString, position, color, scale, rotation, Vector2.Zero, layerDepth);
+        }
+
     }
 }

MLEM.Extended/MLEM.Extended.csproj

@@ -4,7 +4,7 @@
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <ProduceReferenceAssembly>true</ProduceReferenceAssembly>
     </PropertyGroup>
-
+    
     <PropertyGroup>
         <Authors>Ellpeck</Authors>
         <Description>MLEM Library for Extending MonoGame extension that ties in with MonoGame.Extended and other MonoGame libraries</Description>
@@ -16,10 +16,10 @@
         <PackageIcon>Logo.png</PackageIcon>
         <PackageReadmeFile>README.md</PackageReadmeFile>
     </PropertyGroup>
-
+    
     <ItemGroup>
         <ProjectReference Include="..\MLEM\MLEM.csproj" />
-
+        
         <PackageReference Include="MonoGame.Extended" Version="3.8.0">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
@@ -33,7 +33,7 @@
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
     </ItemGroup>
-
+    
     <ItemGroup>
         <None Include="../Media/Logo.png" Pack="true" PackagePath="" />
         <None Include="../Docs/index.md" Pack="true" PackagePath="README.md" />

MLEM.Startup/MLEM.Startup.csproj

@@ -1,11 +1,11 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
+    
     <PropertyGroup>
         <TargetFramework>netstandard2.0</TargetFramework>
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <ProduceReferenceAssembly>true</ProduceReferenceAssembly>
     </PropertyGroup>
-
+    
     <PropertyGroup>
         <Authors>Ellpeck</Authors>
         <Description>MLEM Library for Extending MonoGame combined with some other useful libraries into a quick Game startup class</Description>
@@ -17,7 +17,7 @@
         <PackageIcon>Logo.png</PackageIcon>
         <PackageReadmeFile>README.md</PackageReadmeFile>
     </PropertyGroup>
-
+    
     <ItemGroup>
         <PackageReference Include="Coroutine" Version="2.1.3" />
         <ProjectReference Include="..\MLEM.Ui\MLEM.Ui.csproj" />
@@ -27,7 +27,7 @@
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
     </ItemGroup>
-
+    
     <ItemGroup>
         <None Include="../Media/Logo.png" Pack="true" PackagePath="" />
         <None Include="../Docs/index.md" Pack="true" PackagePath="README.md" />

MLEM.Startup/MlemGame.cs

@@ -114,7 +114,9 @@ namespace MLEM.Startup {
             this.PreDraw?.Invoke(this, gameTime);
             CoroutineHandler.RaiseEvent(CoroutineEvents.PreDraw);
 
+            #pragma warning disable CS0618
             this.UiSystem.DrawEarly(gameTime, this.SpriteBatch);
+            #pragma warning restore CS0618
             this.DoDraw(gameTime);
             this.UiSystem.Draw(gameTime, this.SpriteBatch);
 

MLEM.Templates/MLEM.Templates.csproj

@@ -1,5 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
+    
     <PropertyGroup>
         <TargetFramework>netstandard2.0</TargetFramework>
         <IncludeContentInPack>true</IncludeContentInPack>
@@ -21,11 +21,11 @@
         <PackageIcon>Logo.png</PackageIcon>
         <PackageReadmeFile>README.md</PackageReadmeFile>
     </PropertyGroup>
-
+    
     <ItemGroup>
         <Content Include="content\**\*" Exclude="content\**\.DS_Store;content\**\bin;content\**\obj" />
         <Compile Remove="**\*" />
-        <None Include="../Media/Logo.png" Pack="true" PackagePath=""/>
+        <None Include="../Media/Logo.png" Pack="true" PackagePath="" />
         <None Include="../Docs/index.md" Pack="true" PackagePath="README.md" />
     </ItemGroup>
 

MLEM.Templates/content/MLEM.Templates.DesktopGL/TemplateNamespace.csproj

@@ -1,5 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
+    
     <PropertyGroup>
         <OutputType>Exe</OutputType>
         <TargetFramework>net5.0</TargetFramework>
@@ -7,14 +7,14 @@
         <TieredCompilation>false</TieredCompilation>
         <ApplicationIcon>Icon.ico</ApplicationIcon>
     </PropertyGroup>
-
+    
     <ItemGroup>
-        <PackageReference Include="Contentless" Version="3.0.6" />
+        <PackageReference Include="Contentless" Version="3.*" />
-        <PackageReference Include="MLEM.Startup" Version="5.1.0" />
+        <PackageReference Include="MLEM.Startup" Version="5.*" />
-        <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.0.1641" />
+        <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.*" />
-        <PackageReference Include="MonoGame.Content.Builder.Task" Version="3.8.0.1641" />
+        <PackageReference Include="MonoGame.Content.Builder.Task" Version="3.8.*" />
     </ItemGroup>
-
+    
     <ItemGroup>
         <MonoGameContentReference Include="Content\Content.mgcb" />
         <Content Include="Content\*\**" />

MLEM.Templates/content/MLEM.Templates.Portable/TemplateNamespace.csproj

@@ -1,12 +1,12 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
+    
     <PropertyGroup>
         <TargetFramework>netstandard2.0</TargetFramework>
     </PropertyGroup>
-
+    
     <ItemGroup>
-        <PackageReference Include="MLEM.Startup" Version="5.1.0" />
+        <PackageReference Include="MLEM.Startup" Version="5.*" />
-        <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.0.1641">
+        <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.*">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
     </ItemGroup>

MLEM.Ui/Elements/Button.cs

@@ -51,14 +51,7 @@ namespace MLEM.Ui.Elements {
         /// Set this property to true to mark the button as disabled.
         /// A disabled button cannot be moused over, selected or pressed.
         /// </summary>
-        public bool IsDisabled {
+        public virtual bool IsDisabled { get; set; }
-            get => this.isDisabled;
-            set {
-                this.isDisabled = value;
-                this.CanBePressed = !value;
-                this.CanBeSelected = !value;
-            }
-        }
         /// <summary>
         /// Whether this button's <see cref="Text"/> should be truncated if it exceeds this button's width.
         /// Defaults to false.
@@ -70,8 +63,16 @@ namespace MLEM.Ui.Elements {
                     this.Text.TruncateIfLong = value;
             }
         }
+        /// <summary>
+        /// Whether this button should be able to be selected even if it <see cref="IsDisabled"/>.
+        /// If this is true, <see cref="CanBeSelected"/> will be able to return true even if <see cref="IsDisabled"/> is true.
+        /// </summary>
+        public bool CanSelectDisabled;
 
-        private bool isDisabled;
+        /// <inheritdoc />
+        public override bool CanBeSelected => base.CanBeSelected && (this.CanSelectDisabled || !this.IsDisabled);
+        /// <inheritdoc />
+        public override bool CanBePressed => base.CanBePressed && !this.IsDisabled;
 
         /// <summary>
         /// Creates a new button with the given settings

MLEM.Ui/Elements/Checkbox.cs

@@ -13,7 +13,7 @@ namespace MLEM.Ui.Elements {
     public class Checkbox : Element {
 
         /// <summary>
-        /// The texture that this checkbox uses for drawing
+        /// The texture that this checkbox uses for drawing.
         /// </summary>
         public StyleProp<NinePatch> Texture;
         /// <summary>
@@ -26,6 +26,15 @@ namespace MLEM.Ui.Elements {
         /// </summary>
         public StyleProp<Color> HoveredColor;
         /// <summary>
+        /// The texture that the checkbox uses when it <see cref="IsDisabled"/>.
+        /// If this is null, it uses its default <see cref="Texture"/>.
+        /// </summary>
+        public StyleProp<NinePatch> DisabledTexture;
+        /// <summary>
+        /// The color that the checkbox uses for drawing when it <see cref="IsDisabled"/>.
+        /// </summary>
+        public StyleProp<Color> DisabledColor;
+        /// <summary>
         /// The texture that is rendered on top of this checkbox when it is <see cref="Checked"/>.
         /// </summary>
         public StyleProp<TextureRegion> Checkmark;
@@ -41,20 +50,35 @@ namespace MLEM.Ui.Elements {
         /// Whether or not this checkbox is currently checked.
         /// </summary>
         public bool Checked {
-            get => this.checced;
+            get => this.isChecked;
             set {
-                if (this.checced != value) {
+                if (this.isChecked != value) {
-                    this.checced = value;
+                    this.isChecked = value;
-                    this.OnCheckStateChange?.Invoke(this, this.checced);
+                    this.OnCheckStateChange?.Invoke(this, this.isChecked);
                 }
             }
         }
         /// <summary>
+        /// Set this property to true to mark the checkbox as disabled.
+        /// A disabled checkbox cannot be moused over, selected or toggled.
+        /// </summary>
+        public virtual bool IsDisabled { get; set; }
+        /// <summary>
         /// An event that is invoked when this checkbox's <see cref="Checked"/> property changes
         /// </summary>
         public CheckStateChange OnCheckStateChange;
+        /// <summary>
+        /// Whether this checkbox should be able to be selected even if it <see cref="IsDisabled"/>.
+        /// If this is true, <see cref="CanBeSelected"/> will be able to return true even if <see cref="IsDisabled"/> is true.
+        /// </summary>
+        public bool CanSelectDisabled;
 
-        private bool checced;
+        /// <inheritdoc />
+        public override bool CanBeSelected => base.CanBeSelected && (this.CanSelectDisabled || !this.IsDisabled);
+        /// <inheritdoc />
+        public override bool CanBePressed => base.CanBePressed && !this.IsDisabled;
+
+        private bool isChecked;
 
         /// <summary>
         /// Creates a new checkbox with the given settings
@@ -64,7 +88,7 @@ namespace MLEM.Ui.Elements {
         /// <param name="label">The checkbox's label text</param>
         /// <param name="defaultChecked">The default value of <see cref="Checked"/></param>
         public Checkbox(Anchor anchor, Vector2 size, string label, bool defaultChecked = false) : base(anchor, size) {
-            this.checced = defaultChecked;
+            this.isChecked = defaultChecked;
             this.OnPressed += element => this.Checked = !this.Checked;
 
             if (label != null) {
@@ -87,7 +111,10 @@ namespace MLEM.Ui.Elements {
         public override void Draw(GameTime time, SpriteBatch batch, float alpha, BlendState blendState, SamplerState samplerState, DepthStencilState depthStencilState, Effect effect, Matrix matrix) {
             var tex = this.Texture;
             var color = Color.White * alpha;
-            if (this.IsMouseOver) {
+            if (this.IsDisabled) {
+                tex = this.DisabledTexture.OrDefault(tex);
+                color = (Color) this.DisabledColor * alpha;
+            } else if (this.IsMouseOver) {
                 tex = this.HoveredTexture.OrDefault(tex);
                 color = (Color) this.HoveredColor * alpha;
             }
@@ -105,6 +132,8 @@ namespace MLEM.Ui.Elements {
             this.Texture = this.Texture.OrStyle(style.CheckboxTexture);
             this.HoveredTexture = this.HoveredTexture.OrStyle(style.CheckboxHoveredTexture);
             this.HoveredColor = this.HoveredColor.OrStyle(style.CheckboxHoveredColor);
+            this.DisabledTexture = this.DisabledTexture.OrStyle(style.CheckboxDisabledTexture);
+            this.DisabledColor = this.DisabledColor.OrStyle(style.CheckboxDisabledColor);
             this.Checkmark = this.Checkmark.OrStyle(style.CheckboxCheckmark);
             this.TextOffsetX = this.TextOffsetX.OrStyle(style.CheckboxTextOffsetX);
         }

MLEM.Ui/Elements/Dropdown.cs

@@ -13,7 +13,7 @@ namespace MLEM.Ui.Elements {
         /// The panel that this dropdown contains. It will be displayed upon pressing the dropdown button.
         /// </summary>
         public readonly Panel Panel;
-        
+
         /// <summary>
         /// This property stores whether the dropdown is currently opened or not
         /// </summary>
@@ -43,6 +43,12 @@ namespace MLEM.Ui.Elements {
             this.OnAreaUpdated += e => this.Panel.PositionOffset = new Vector2(0, e.Area.Height / this.Scale);
             this.OnOpenedOrClosed += e => this.Priority = this.IsOpen ? 10000 : 0;
             this.OnPressed += e => this.IsOpen = !this.IsOpen;
+            this.GetGamepadNextElement = (dir, usualNext) => {
+                // Force navigate down to our first child if we're open
+                if (this.IsOpen && dir == Direction2.Down)
+                    return this.Panel.GetChildren().FirstOrDefault(c => c.CanBeSelected) ?? usualNext;
+                return usualNext;
+            };
         }
 
         /// <summary>
@@ -54,11 +60,13 @@ namespace MLEM.Ui.Elements {
             // Since the dropdown causes elements to be over each other,
             // usual gamepad code doesn't apply
             element.GetGamepadNextElement = (dir, usualNext) => {
+                if (dir == Direction2.Left || dir == Direction2.Right)
+                    return null;
                 if (dir == Direction2.Up) {
-                    var prev = element.GetOlderSibling();
+                    var prev = element.GetOlderSibling(e => e.CanBeSelected);
                     return prev ?? this;
                 } else if (dir == Direction2.Down) {
-                    return element.GetSiblings(e => e.GetOlderSibling() == element).FirstOrDefault();
+                    return element.GetSiblings(e => e.CanBeSelected && e.GetOlderSibling(s => s.CanBeSelected) == element).FirstOrDefault();
                 }
                 return usualNext;
             };

MLEM.Ui/Elements/Element.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.ObjectModel;
+using System.Diagnostics;
 using System.Linq;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
@@ -32,22 +33,7 @@ namespace MLEM.Ui.Elements {
             internal set {
                 this.system = value;
                 this.Controls = value?.Controls;
-                this.Style = value?.Style;
+                this.Style = this.Style.OrStyle(value?.Style);
-            }
-        }
-        /// <summary>
-        /// This Element's current <see cref="UiStyle"/>.
-        /// When this value is changed, <see cref="InitStyle"/> is called.
-        /// Note that this value is automatically set to the <see cref="UiSystem"/>'s ui style when it is changed.
-        /// </summary>
-        public UiStyle Style {
-            get => this.style;
-            set {
-                if (this.style != value) {
-                    this.style = value;
-                    if (value != null)
-                        this.InitStyle(value);
-                }
             }
         }
         /// <summary>
@@ -165,7 +151,7 @@ namespace MLEM.Ui.Elements {
         /// Set this property to <c>true</c> to cause this element to be hidden.
         /// Hidden elements don't receive input events, aren't rendered and don't factor into auto-anchoring.
         /// </summary>
-        public bool IsHidden {
+        public virtual bool IsHidden {
             get => this.isHidden;
             set {
                 if (this.isHidden == value)
@@ -198,69 +184,84 @@ namespace MLEM.Ui.Elements {
         /// The call that this element should make to <see cref="SpriteBatch"/> to begin drawing.
         /// Note that, when this is non-null, a new <see cref="SpriteBatch.Begin"/> call is used for this element.
         /// </summary>
+        #pragma warning disable CS0618
+        [Obsolete("BeginImpl is deprecated. You can create a custom element class and override Draw instead.")]
         public BeginDelegate BeginImpl;
+        #pragma warning restore CS0618
         /// <summary>
         /// Set this field to false to disallow the element from being selected.
         /// An unselectable element is skipped by automatic navigation and its <see cref="OnSelected"/> callback will never be called.
         /// </summary>
-        public bool CanBeSelected = true;
+        public virtual bool CanBeSelected { get; set; } = true;
         /// <summary>
         /// Set this field to false to disallow the element from reacting to being moused over.
         /// </summary>
-        public bool CanBeMoused = true;
+        public virtual bool CanBeMoused { get; set; } = true;
         /// <summary>
         /// Set this field to false to disallow this element's <see cref="OnPressed"/> and <see cref="OnSecondaryPressed"/> events to be called.
         /// </summary>
-        public bool CanBePressed = true;
+        public virtual bool CanBePressed { get; set; } = true;
         /// <summary>
         /// Set this field to false to cause auto-anchored siblings to ignore this element as a possible anchor point.
         /// </summary>
-        public bool CanAutoAnchorsAttach = true;
+        public virtual bool CanAutoAnchorsAttach { get; set; } = true;
         /// <summary>
         /// Set this field to true to cause this element's width to be automatically calculated based on the area that its <see cref="Children"/> take up.
         /// To use this element's <see cref="Size"/>'s X coordinate as a minimum or maximum width rather than ignoring it, set <see cref="TreatSizeAsMinimum"/> or <see cref="TreatSizeAsMaximum"/> to true.
         /// </summary>
-        public bool SetWidthBasedOnChildren;
+        public virtual bool SetWidthBasedOnChildren { get; set; }
         /// <summary>
         /// Set this field to true to cause this element's height to be automatically calculated based on the area that its <see cref="Children"/> take up.
         /// To use this element's <see cref="Size"/>'s Y coordinate as a minimum or maximum height rather than ignoring it, set <see cref="TreatSizeAsMinimum"/> or <see cref="TreatSizeAsMaximum"/> to true.
         /// </summary>
-        public bool SetHeightBasedOnChildren;
+        public virtual bool SetHeightBasedOnChildren { get; set; }
         /// <summary>
         /// If this field is set to true, and <see cref="SetWidthBasedOnChildren"/> or <see cref="SetHeightBasedOnChildren"/> are enabled, the resulting width or height will always be greather than or equal to this element's <see cref="Size"/>.
         /// For example, if an element's <see cref="Size"/>'s Y coordinate is set to 20, but there is only one child with a height of 10 in it, the element's height would be shrunk to 10 if this value was false, but would remain at 20 if it was true.
         /// Note that this value only has an effect if <see cref="SetWidthBasedOnChildren"/> or <see cref="SetHeightBasedOnChildren"/> are enabled.
         /// </summary>
-        public bool TreatSizeAsMinimum;
+        public virtual bool TreatSizeAsMinimum { get; set; }
         /// <summary>
         /// If this field is set to true, and <see cref="SetWidthBasedOnChildren"/> or <see cref="SetHeightBasedOnChildren"/>are enabled, the resulting width or height weill always be less than or equal to this element's <see cref="Size"/>.
         /// Note that this value only has an effect if <see cref="SetWidthBasedOnChildren"/> or <see cref="SetHeightBasedOnChildren"/> are enabled.
         /// </summary>
-        public bool TreatSizeAsMaximum;
+        public virtual bool TreatSizeAsMaximum { get; set; }
         /// <summary>
         /// Set this field to true to cause this element's final display area to never exceed that of its <see cref="Parent"/>.
         /// If the resulting area is too large, the size of this element is shrunk to fit the target area.
         /// This can be useful if an element should fill the remaining area of a parent exactly.
         /// </summary>
-        public bool PreventParentSpill;
+        public virtual bool PreventParentSpill { get; set; }
         /// <summary>
         /// The transparency (alpha value) that this element is rendered with.
         /// Note that, when <see cref="Draw"/> is called, this alpha value is multiplied with the <see cref="Parent"/>'s alpha value and passed down to this element's <see cref="Children"/>.
         /// </summary>
-        public float DrawAlpha = 1;
+        public virtual float DrawAlpha { get; set; } = 1;
         /// <summary>
         /// Stores whether this element is currently being moused over or touched.
         /// </summary>
         public bool IsMouseOver { get; protected set; }
         /// <summary>
-        /// Stores whether this element is its <see cref="Root"/>'s <see cref="RootElement.SelectedElement"/>.
+        /// Returns whether this element is its <see cref="Root"/>'s <see cref="RootElement.SelectedElement"/>.
         /// </summary>
-        public bool IsSelected { get; protected set; }
+        public bool IsSelected => this.Root.SelectedElement == this;
         /// <summary>
         /// Returns whether this element's <see cref="SetAreaDirty"/> method has been recently called and its area has not been updated since then using <see cref="UpdateAreaIfDirty"/> or <see cref="ForceUpdateArea"/>.
         /// </summary>
         public bool AreaDirty { get; private set; }
 
+        /// <summary>
+        /// This Element's current <see cref="UiStyle"/>.
+        /// When this property is set, <see cref="InitStyle"/> is called.
+        /// </summary>
+        public StyleProp<UiStyle> Style {
+            get => this.style;
+            set {
+                this.style = value;
+                if (this.style.HasValue())
+                    this.InitStyle(this.style);
+            }
+        }
         /// <summary>
         /// A style property that contains the selection indicator that is displayed on this element if it is the <see cref="RootElement.SelectedElement"/>
         /// </summary>
@@ -342,6 +343,10 @@ namespace MLEM.Ui.Elements {
         /// </summary>
         public GenericCallback OnAreaUpdated;
         /// <summary>
+        /// Event that is called when this element's <see cref="InitStyle"/> method is called while setting the <see cref="Style"/>.
+        /// </summary>
+        public GenericCallback OnStyleInit;
+        /// <summary>
         /// Event that is called when the element that is currently being moused changes within the ui system.
         /// Note that the event fired doesn't necessarily correlate to this specific element.
         /// </summary>
@@ -398,8 +403,14 @@ namespace MLEM.Ui.Elements {
         /// The input handler that this element's <see cref="Controls"/> use
         /// </summary>
         protected InputHandler Input => this.Controls.Input;
+        /// <summary>
+        /// The <see cref="ChildPaddedArea"/> of this element's <see cref="Parent"/>, or the <see cref="UiSystem.Viewport"/> if this element has no parent.
+        /// This value is the one that is passed to <see cref="CalcActualSize"/> during <see cref="ForceUpdateArea"/>.
+        /// </summary>
+        protected RectangleF ParentArea => this.Parent?.ChildPaddedArea ?? (RectangleF) this.system.Viewport;
 
         private readonly List<Element> children = new List<Element>();
+        private readonly Stopwatch stopwatch = new Stopwatch();
         private bool sortedChildrenDirty;
         private IList<Element> sortedChildren;
         private UiSystem system;
@@ -409,7 +420,7 @@ namespace MLEM.Ui.Elements {
         private RectangleF area;
         private bool isHidden;
         private int priority;
-        private UiStyle style;
+        private StyleProp<UiStyle> style;
         private StyleProp<Padding> childPadding;
 
         /// <summary>
@@ -427,8 +438,6 @@ namespace MLEM.Ui.Elements {
             this.OnMouseExit += element => this.IsMouseOver = false;
             this.OnTouchEnter += element => this.IsMouseOver = true;
             this.OnTouchExit += element => this.IsMouseOver = false;
-            this.OnSelected += element => this.IsSelected = true;
-            this.OnDeselected += element => this.IsSelected = false;
             this.GetTabNextElement += (backward, next) => next;
             this.GetGamepadNextElement += (dir, next) => next;
 
@@ -525,7 +534,7 @@ namespace MLEM.Ui.Elements {
         /// </summary>
         public void SetAreaDirty() {
             this.AreaDirty = true;
-            this.Parent?.OnChildAreaDirty(this);
+            this.Parent?.OnChildAreaDirty(this, false);
         }
 
         /// <summary>
@@ -552,9 +561,9 @@ namespace MLEM.Ui.Elements {
             // which would cause our ForceUpdateArea code to be run twice, so we only update our parent instead
             if (this.Parent != null && this.Parent.UpdateAreaIfDirty())
                 return;
-            this.System.Stopwatch.Restart();
+            this.stopwatch.Restart();
 
-            var parentArea = this.Parent != null ? this.Parent.ChildPaddedArea : (RectangleF) this.system.Viewport;
+            var parentArea = this.ParentArea;
             var parentCenterX = parentArea.X + parentArea.Width / 2;
             var parentCenterY = parentArea.Y + parentArea.Height / 2;
             var actualSize = this.CalcActualSize(parentArea);
@@ -562,8 +571,8 @@ namespace MLEM.Ui.Elements {
             var recursion = 0;
             UpdateDisplayArea(actualSize);
 
-            this.System.Stopwatch.Stop();
+            this.stopwatch.Stop();
-            this.System.Metrics.ForceAreaUpdateTime += this.System.Stopwatch.Elapsed;
+            this.System.Metrics.ForceAreaUpdateTime += this.stopwatch.Elapsed;
             this.System.Metrics.ForceAreaUpdates++;
 
             void UpdateDisplayArea(Vector2 newSize) {
@@ -916,8 +925,10 @@ namespace MLEM.Ui.Elements {
         /// <param name="depthStencilState">The depth stencil state that is used for drawing</param>
         /// <param name="matrix">The transformation matrix that is used for drawing</param>
         public void DrawTransformed(GameTime time, SpriteBatch batch, float alpha, BlendState blendState, SamplerState samplerState, DepthStencilState depthStencilState, Effect effect, Matrix matrix) {
+            #pragma warning disable CS0618
             var customDraw = this.BeginImpl != null || this.Transform != Matrix.Identity;
             var mat = this.Transform * matrix;
+            // TODO ending and beginning again when the matrix changes isn't ideal (https://github.com/MonoGame/MonoGame/issues/3156)
             if (customDraw) {
                 // end the usual draw so that we can begin our own
                 batch.End();
@@ -928,6 +939,7 @@ namespace MLEM.Ui.Elements {
                     batch.Begin(SpriteSortMode.Deferred, blendState, samplerState, depthStencilState, null, effect, mat);
                 }
             }
+            #pragma warning restore CS0618
 
             // draw content in custom begin call
             this.Draw(time, batch, alpha, blendState, samplerState, depthStencilState, effect, mat);
@@ -978,6 +990,7 @@ namespace MLEM.Ui.Elements {
         /// <param name="effect">The effect that is used for drawing</param>
         /// <param name="depthStencilState">The depth stencil state that is used for drawing</param>
         /// <param name="matrix">The transformation matrix that is used for drawing</param>
+        [Obsolete("DrawEarly is deprecated. For custom implementations, see Panel.Draw for how to replace this method.")]
         public virtual void DrawEarly(GameTime time, SpriteBatch batch, float alpha, BlendState blendState, SamplerState samplerState, DepthStencilState depthStencilState, Effect effect, Matrix matrix) {
             foreach (var child in this.GetRelevantChildren()) {
                 if (!child.IsHidden)
@@ -1053,16 +1066,22 @@ namespace MLEM.Ui.Elements {
             this.SelectionIndicator = this.SelectionIndicator.OrStyle(style.SelectionIndicator);
             this.ActionSound = this.ActionSound.OrStyle(style.ActionSound);
             this.SecondActionSound = this.SecondActionSound.OrStyle(style.ActionSound);
+
+            this.System?.InvokeOnElementStyleInit(this);
         }
 
         /// <summary>
-        /// A method that gets called by this element's <see cref="Children"/> when their <see cref="SetAreaDirty"/> methods get called.
+        /// A method that gets called by this element's <see cref="Children"/> or any of its grandchildren when their <see cref="SetAreaDirty"/> methods get called.
         /// Note that the element's area might already be dirty, which will not stop this method from being called.
         /// </summary>
-        /// <param name="child">The child whose area is being set dirty</param>
+        /// <param name="child">The child whose area is being set dirty.</param>
-        protected virtual void OnChildAreaDirty(Element child) {
+        /// <param name="grandchild">Whether the <paramref name="child"/> is a grandchild of this element, rather than a direct child.</param>
-            if (child.Anchor >= Anchor.AutoLeft || this.SetWidthBasedOnChildren || this.SetHeightBasedOnChildren)
+        protected virtual void OnChildAreaDirty(Element child, bool grandchild) {
-                this.SetAreaDirty();
+            if (!grandchild) {
+                if (child.Anchor >= Anchor.AutoLeft || this.SetWidthBasedOnChildren || this.SetHeightBasedOnChildren)
+                    this.SetAreaDirty();
+            }
+            this.Parent?.OnChildAreaDirty(child, true);
         }
 
         /// <summary>
@@ -1150,6 +1169,7 @@ namespace MLEM.Ui.Elements {
         /// <param name="effect">The effect used for drawing</param>
         /// <param name="depthStencilState">The depth stencil state used for drawing</param>
         /// <param name="matrix">The transform matrix used for drawing</param>
+        [Obsolete("BeginDelegate is deprecated. You can create a custom element class and override Draw instead.")]
         public delegate void BeginDelegate(Element element, GameTime time, SpriteBatch batch, float alpha, BlendState blendState, SamplerState samplerState, DepthStencilState depthStencilState, Effect effect, Matrix matrix);
 
     }

MLEM.Ui/Elements/ElementHelper.cs

@@ -115,28 +115,31 @@ namespace MLEM.Ui.Elements {
             return group;
         }
 
+        /// <inheritdoc cref="KeybindButton(MLEM.Ui.Anchor,Microsoft.Xna.Framework.Vector2,MLEM.Input.Keybind,MLEM.Input.InputHandler,string,MLEM.Input.Keybind,string,System.Func{MLEM.Input.GenericInput,string},int)"/>
+        public static Button KeybindButton(Anchor anchor, Vector2 size, Keybind keybind, InputHandler inputHandler, string activePlaceholder, GenericInput unbindKey = default, string unboundPlaceholder = "", Func<GenericInput, string> inputName = null, int index = 0) {
+            return KeybindButton(anchor, size, keybind, inputHandler, activePlaceholder, new Keybind(unbindKey), unboundPlaceholder, inputName, index);
+        }
+
         /// <summary>
         /// Creates a <see cref="Button"/> that acts as a way to input a custom value for a <see cref="Keybind"/>.
-        /// Note that only the first <see cref="Keybind.Combination"/> of the given keybind is displayed and edited, all others are ignored. The exception is that, if <paramref name="unbindKey"/> is set, unbinding the keybind clears all combinations.
+        /// Note that only the <see cref="Keybind.Combination"/> at index <paramref name="index"/> of the given keybind is displayed and edited, all others are ignored.
         /// Inputting custom keybinds using this element supports <see cref="ModifierKey"/>-based modifiers and any <see cref="GenericInput"/>-based keys.
+        /// The keybind button's current state can be retrieved using the "Active" <see cref="GenericDataHolder.GetData{T}"/> key, which stores a bool that indicates whether the button is currently waiting for a new value to be assigned.
         /// </summary>
         /// <param name="anchor">The button's anchor</param>
         /// <param name="size">The button's size</param>
         /// <param name="keybind">The keybind that this button should represent</param>
         /// <param name="inputHandler">The input handler to query inputs with</param>
         /// <param name="activePlaceholder">A placeholder text that is displayed while the keybind is being edited</param>
-        /// <param name="unbindKey">An optional generic input that allows the keybind value to be unbound, clearing all combinations</param>
+        /// <param name="unbind">An optional keybind to press that allows the keybind value to be unbound, clearing the combination</param>
         /// <param name="unboundPlaceholder">A placeholder text that is displayed if the keybind is unbound</param>
         /// <param name="inputName">An optional function to give each input a display name that is easier to read. If this is null, <see cref="GenericInput.ToString"/> is used.</param>
+        /// <param name="index">The index in the <paramref name="keybind"/> that the button should display. Note that, if the index is greater than the amount of combinations, combinations entered using this button will be stored at an earlier index.</param>
         /// <returns>A keybind button with the given settings</returns>
-        public static Button KeybindButton(Anchor anchor, Vector2 size, Keybind keybind, InputHandler inputHandler, string activePlaceholder, GenericInput unbindKey = default, string unboundPlaceholder = "", Func<GenericInput, string> inputName = null) {
+        public static Button KeybindButton(Anchor anchor, Vector2 size, Keybind keybind, InputHandler inputHandler, string activePlaceholder, Keybind unbind = default, string unboundPlaceholder = "", Func<GenericInput, string> inputName = null, int index = 0) {
-            string GetCurrentName() {
+            string GetCurrentName() => keybind.TryGetCombination(index, out var combination) ? combination.ToString(" + ", inputName) : unboundPlaceholder;
-                var combination = keybind.GetCombinations().FirstOrDefault();
-                return combination?.ToString(" + ", inputName) ?? unboundPlaceholder;
-            }
 
             var button = new Button(anchor, size, GetCurrentName());
-            var active = false;
             var activeNext = false;
             button.OnPressed = e => {
                 button.Text.Text = activePlaceholder;
@@ -144,22 +147,24 @@ namespace MLEM.Ui.Elements {
             };
             button.OnUpdated = (e, time) => {
                 if (activeNext) {
-                    active = true;
+                    button.SetData("Active", true);
                     activeNext = false;
-                } else if (active) {
+                } else if (button.GetData<bool>("Active")) {
-                    if (unbindKey != default && inputHandler.IsPressed(unbindKey)) {
+                    if (unbind != null && unbind.IsPressed(inputHandler)) {
-                        keybind.Clear();
+                        keybind.Remove((c, i) => i == index);
                         button.Text.Text = unboundPlaceholder;
-                        active = false;
+                        button.SetData("Active", false);
                     } else if (inputHandler.InputsPressed.Length > 0) {
                         var key = inputHandler.InputsPressed.FirstOrDefault(i => !i.IsModifier());
                         if (key != default) {
                             var mods = inputHandler.InputsDown.Where(i => i.IsModifier());
-                            keybind.Remove((c, i) => i == 0).Add(key, mods.ToArray());
+                            keybind.Remove((c, i) => i == index).Insert(index, key, mods.ToArray());
                             button.Text.Text = GetCurrentName();
-                            active = false;
+                            button.SetData("Active", false);
                         }
                     }
+                } else {
+                    button.Text.Text = GetCurrentName();
                 }
             };
             return button;

MLEM.Ui/Elements/Panel.cs

@@ -13,7 +13,6 @@ namespace MLEM.Ui.Elements {
     /// A panel element to be used inside of a <see cref="UiSystem"/>.
     /// The panel is a complex element that displays a box as a background to all of its child elements.
     /// Additionally, a panel can be set to <see cref="scrollOverflow"/> on construction, which causes all elements that don't fit into the panel to be hidden until scrolled to using a <see cref="ScrollBar"/>.
-    /// As this behavior is accomplished using a <see cref="RenderTarget2D"/>, scrolling panels need to have their <see cref="DrawEarly"/> methods called using <see cref="UiSystem.DrawEarly"/>.
     /// </summary>
     public class Panel : Element {
 
@@ -79,13 +78,13 @@ namespace MLEM.Ui.Elements {
                 };
 
                 // handle automatic element selection, the scroller needs to scroll to the right location
-                this.OnSelectedElementChanged += (element, otherElement) => {
+                this.OnSelectedElementChanged += (_, e) => {
                     if (!this.Controls.IsAutoNavMode)
                         return;
-                    if (otherElement == null || !otherElement.GetParentTree().Contains(this))
+                    if (e == null || !e.GetParentTree().Contains(this))
                         return;
                     var firstChild = this.Children.First(c => c != this.ScrollBar);
-                    this.ScrollBar.CurrentValue = (otherElement.Area.Bottom - firstChild.Area.Top - this.Area.Height / 2) / this.Scale;
+                    this.ScrollBar.CurrentValue = (e.Area.Center.Y - this.Area.Height / 2 - firstChild.Area.Top) / e.Scale + this.ChildPadding.Value.Height / 2;
                 };
                 this.AddChild(this.ScrollBar);
             }
@@ -119,8 +118,9 @@ namespace MLEM.Ui.Elements {
             if (!this.scrollOverflow)
                 return;
             var offset = new Vector2(0, -this.ScrollBar.CurrentValue);
-            foreach (var child in this.GetChildren(c => c != this.ScrollBar, true)) {
+            // we ignore false grandchildren so that the children of the scroll bar stay in place
-                if (child.ScrollOffset != offset) {
+            foreach (var child in this.GetChildren(c => c != this.ScrollBar, true, true)) {
+                if (!child.ScrollOffset.Equals(offset, Epsilon)) {
                     child.ScrollOffset = offset;
                     this.relevantChildrenDirty = true;
                 }
@@ -158,23 +158,23 @@ namespace MLEM.Ui.Elements {
         }
 
         /// <inheritdoc />
-        public override void Draw(GameTime time, SpriteBatch batch, float alpha, BlendState blendState, SamplerState samplerState, DepthStencilState depthStencilState, Effect effect, Matrix matrix) {
+        protected override void OnChildAreaDirty(Element child, bool grandchild) {
-            if (this.Texture.HasValue())
+            base.OnChildAreaDirty(child, grandchild);
-                batch.Draw(this.Texture, this.DisplayArea, this.DrawColor.OrDefault(Color.White) * alpha, this.Scale);
+            // we only need to scroll when a grandchild changes, since all of our children are forced 
-            // if we handle overflow, draw using the render target in DrawUnbound
+            // to be auto-anchored and so will automatically propagate their changes up to us
-            if (!this.scrollOverflow || this.renderTarget == null) {
+            if (grandchild)
-                base.Draw(time, batch, alpha, blendState, samplerState, depthStencilState, effect, matrix);
+                this.ScrollChildren();
-            } else {
-                // draw the actual render target (don't apply the alpha here because it's already drawn onto with alpha)
-                batch.Draw(this.renderTarget, this.GetRenderTargetArea(), Color.White);
-            }
         }
 
         /// <inheritdoc />
-        public override void DrawEarly(GameTime time, SpriteBatch batch, float alpha, BlendState blendState, SamplerState samplerState, DepthStencilState depthStencilState, Effect effect, Matrix matrix) {
+        public override void Draw(GameTime time, SpriteBatch batch, float alpha, BlendState blendState, SamplerState samplerState, DepthStencilState depthStencilState, Effect effect, Matrix matrix) {
-            this.UpdateAreaIfDirty();
+            // draw children onto the render target if we have one
             if (this.scrollOverflow && this.renderTarget != null) {
-                // draw children onto the render target
+                this.UpdateAreaIfDirty();
+                batch.End();
+                // force render target usage to preserve so that previous content isn't cleared
+                var lastUsage = batch.GraphicsDevice.PresentationParameters.RenderTargetUsage;
+                batch.GraphicsDevice.PresentationParameters.RenderTargetUsage = RenderTargetUsage.PreserveContents;
                 using (batch.GraphicsDevice.WithRenderTarget(this.renderTarget)) {
                     batch.GraphicsDevice.Clear(Color.Transparent);
                     // offset children by the render target's location
@@ -185,8 +185,19 @@ namespace MLEM.Ui.Elements {
                     base.Draw(time, batch, alpha, blendState, samplerState, depthStencilState, effect, trans);
                     batch.End();
                 }
+                batch.GraphicsDevice.PresentationParameters.RenderTargetUsage = lastUsage;
+                batch.Begin(SpriteSortMode.Deferred, blendState, samplerState, depthStencilState, null, effect, matrix);
+            }
+
+            if (this.Texture.HasValue())
+                batch.Draw(this.Texture, this.DisplayArea, this.DrawColor.OrDefault(Color.White) * alpha, this.Scale);
+            // if we handle overflow, draw using the render target in DrawUnbound
+            if (!this.scrollOverflow || this.renderTarget == null) {
+                base.Draw(time, batch, alpha, blendState, samplerState, depthStencilState, effect, matrix);
+            } else {
+                // draw the actual render target (don't apply the alpha here because it's already drawn onto with alpha)
+                batch.Draw(this.renderTarget, this.GetRenderTargetArea(), Color.White);
             }
-            base.DrawEarly(time, batch, alpha, blendState, samplerState, depthStencilState, effect, matrix);
         }
 
         /// <inheritdoc />

MLEM.Ui/Elements/Paragraph.cs

@@ -2,6 +2,7 @@ using System;
 using System.Linq;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
+using MLEM.Extensions;
 using MLEM.Font;
 using MLEM.Formatting;
 using MLEM.Formatting.Codes;
@@ -24,8 +25,7 @@ namespace MLEM.Ui.Elements {
             get => this.regularFont;
             set {
                 this.regularFont = value;
-                this.SetAreaDirty();
+                this.SetTextDirty();
-                this.TokenizedText = null;
             }
         }
         /// <summary>
@@ -59,8 +59,7 @@ namespace MLEM.Ui.Elements {
                 if (this.text != value) {
                     this.text = value;
                     this.IsHidden = string.IsNullOrWhiteSpace(this.text);
-                    this.SetAreaDirty();
+                    this.SetTextDirty();
-                    this.TokenizedText = null;
                 }
             }
         }
@@ -91,17 +90,16 @@ namespace MLEM.Ui.Elements {
         /// <summary>
         /// The <see cref="TextAlignment"/> that this paragraph's text should be rendered with
         /// </summary>
-        public TextAlignment Alignment {
+        public StyleProp<TextAlignment> Alignment {
             get => this.alignment;
             set {
                 this.alignment = value;
-                this.SetAreaDirty();
+                this.SetTextDirty();
-                this.TokenizedText = null;
             }
         }
 
         private string text;
-        private TextAlignment alignment;
+        private StyleProp<TextAlignment> alignment;
         private StyleProp<GenericFont> regularFont;
 
         /// <summary>
@@ -160,6 +158,7 @@ namespace MLEM.Ui.Elements {
             this.RegularFont = this.RegularFont.OrStyle(style.Font ?? throw new NotSupportedException("Paragraphs cannot use ui styles that don't have a font. Please supply a custom font by setting UiStyle.Font."));
             this.TextScale = this.TextScale.OrStyle(style.TextScale);
             this.TextColor = this.TextColor.OrStyle(style.TextColor);
+            this.Alignment = this.Alignment.OrStyle(style.TextAlignment);
         }
 
         /// <summary>
@@ -187,13 +186,24 @@ namespace MLEM.Ui.Elements {
             }
         }
 
+        /// <summary>
+        /// A helper method that causes the <see cref="TokenizedText"/> to be reset.
+        /// Additionally, <see cref="Element.SetAreaDirty"/> if this paragraph's area has changed enough to warrant it, or if it has any <see cref="Link"/> children.
+        /// </summary>
+        protected void SetTextDirty() {
+            this.TokenizedText = null;
+            // only set our area dirty if our size changed as a result of this action
+            if (!this.AreaDirty && !this.CalcActualSize(this.ParentArea).Equals(this.DisplayArea.Size, Epsilon))
+                this.SetAreaDirty();
+        }
+
         private void QueryTextCallback() {
             if (this.GetTextCallback != null)
                 this.Text = this.GetTextCallback(this);
         }
 
         private float GetAlignmentOffset() {
-            switch (this.Alignment) {
+            switch (this.Alignment.Value) {
                 case TextAlignment.Center:
                     return this.DisplayArea.Width / 2;
                 case TextAlignment.Right:
@@ -257,7 +267,10 @@ namespace MLEM.Ui.Elements {
                 if (ret != null)
                     return ret;
                 // check if any of our token's parts are hovered
-                foreach (var rect in this.Token.GetArea(this.Parent.DisplayArea.Location, this.Scale * this.textScale)) {
+                var location = this.Parent.DisplayArea.Location;
+                if (this.Parent is Paragraph p)
+                    location.X += p.GetAlignmentOffset();
+                foreach (var rect in this.Token.GetArea(location, this.Scale * this.textScale)) {
                     if (rect.Contains(this.TransformInverse(position)))
                         return this;
                 }

MLEM.Ui/Elements/ScrollBar.cs

@@ -137,14 +137,14 @@ namespace MLEM.Ui.Elements {
 
             // MOUSE INPUT
             var moused = this.Controls.MousedElement;
-            if (moused == this && this.Controls.Input.IsMouseButtonPressed(MouseButton.Left)) {
+            if (moused == this && this.Input.IsMouseButtonPressed(MouseButton.Left)) {
                 this.isMouseHeld = true;
-                this.scrollStartOffset = this.TransformInverseAll(this.Input.MousePosition.ToVector2()) - this.ScrollerPosition;
+                this.scrollStartOffset = this.TransformInverseAll(this.Input.ViewportMousePosition.ToVector2()) - this.ScrollerPosition;
-            } else if (this.isMouseHeld && !this.Controls.Input.IsMouseButtonDown(MouseButton.Left)) {
+            } else if (this.isMouseHeld && !this.Input.IsMouseButtonDown(MouseButton.Left)) {
                 this.isMouseHeld = false;
             }
             if (this.isMouseHeld)
-                this.ScrollToPos(this.TransformInverseAll(this.Input.MousePosition.ToVector2()));
+                this.ScrollToPos(this.TransformInverseAll(this.Input.ViewportMousePosition.ToVector2()));
             if (!this.Horizontal && moused != null && (moused == this.Parent || moused.GetParentTree().Contains(this.Parent))) {
                 var scroll = this.Input.LastScrollWheel - this.Input.ScrollWheel;
                 if (scroll != 0)
@@ -154,7 +154,7 @@ namespace MLEM.Ui.Elements {
             // TOUCH INPUT
             if (!this.Horizontal) {
                 // are we dragging on top of the panel?
-                if (this.Input.GetGesture(GestureType.VerticalDrag, out var drag)) {
+                if (this.Input.GetViewportGesture(GestureType.VerticalDrag, out var drag)) {
                     // if the element under the drag's start position is on top of the panel, start dragging
                     var touched = this.Parent.GetElementUnderPos(this.TransformInverseAll(drag.Position));
                     if (touched != null && touched != this)
@@ -167,11 +167,11 @@ namespace MLEM.Ui.Elements {
                     this.isDragging = false;
                 }
             }
-            if (this.Input.TouchState.Count <= 0) {
+            if (this.Input.ViewportTouchState.Count <= 0) {
                 // if no touch has occured this tick, then reset the variable
                 this.isTouchHeld = false;
             } else {
-                foreach (var loc in this.Input.TouchState) {
+                foreach (var loc in this.Input.ViewportTouchState) {
                     var pos = this.TransformInverseAll(loc.Position);
                     // if we just started touching and are on top of the scroller, then we should start scrolling
                     if (this.DisplayArea.Contains(pos) && !loc.TryGetPreviousLocation(out _)) {

MLEM.Ui/Elements/SpriteAnimationImage.cs

@@ -32,9 +32,7 @@ namespace MLEM.Ui.Elements {
         /// <param name="size">The image's size</param>
         /// <param name="animation">The sprite group to display</param>
         /// <param name="scaleToImage">Whether this image element should scale to the texture</param>
-        public SpriteAnimationImage(Anchor anchor, Vector2 size, SpriteAnimation animation, bool scaleToImage = false) :
+        public SpriteAnimationImage(Anchor anchor, Vector2 size, SpriteAnimation animation, bool scaleToImage = false) : this(anchor, size, new SpriteAnimationGroup().Add(animation, () => true), scaleToImage) {}
-            this(anchor, size, new SpriteAnimationGroup().Add(animation, () => true), scaleToImage) {
-        }
 
         /// <inheritdoc />
         public override void Update(GameTime time) {

MLEM.Ui/Elements/SquishingGroup.cs

@@ -16,8 +16,7 @@ namespace MLEM.Ui.Elements {
         /// </summary>
         /// <param name="anchor">The group's anchor.</param>
         /// <param name="size">The group's size.</param>
-        public SquishingGroup(Anchor anchor, Vector2 size) : base(anchor, size, false) {
+        public SquishingGroup(Anchor anchor, Vector2 size) : base(anchor, size, false) {}
-        }
 
         /// <inheritdoc />
         public override void SetAreaAndUpdateChildren(RectangleF area) {
@@ -31,9 +30,10 @@ namespace MLEM.Ui.Elements {
         }
 
         /// <inheritdoc />
-        protected override void OnChildAreaDirty(Element child) {
+        protected override void OnChildAreaDirty(Element child, bool grandchild) {
-            base.OnChildAreaDirty(child);
+            base.OnChildAreaDirty(child, grandchild);
-            this.SetAreaDirty();
+            if (!grandchild)
+                this.SetAreaDirty();
         }
 
         private static bool SquishChild(Element element, out RectangleF squishedArea) {

MLEM.Ui/Elements/TextField.cs

@@ -423,7 +423,7 @@ namespace MLEM.Ui.Elements {
             var maxWidth = this.DisplayArea.Width / this.Scale - this.TextOffsetX * 2;
             if (this.Multiline) {
                 // soft wrap if we're multiline
-                this.splitText = this.Font.Value.SplitStringSeparate(this.text.ToString(), maxWidth, this.TextScale).ToArray();
+                this.splitText = this.Font.Value.SplitStringSeparate(this.text, maxWidth, this.TextScale).ToArray();
                 this.displayedText = string.Join("\n", this.splitText);
                 this.UpdateCaretData();
 
@@ -466,7 +466,7 @@ namespace MLEM.Ui.Elements {
                 }
             } else {
                 // not multiline, so scroll horizontally based on caret position
-                if (this.Font.Value.MeasureString(this.text.ToString()).X * this.TextScale > maxWidth) {
+                if (this.Font.Value.MeasureString(this.text).X * this.TextScale > maxWidth) {
                     if (this.textOffset > this.CaretPos) {
                         // if we're moving the caret to the left
                         this.textOffset = this.CaretPos;

MLEM.Ui/Elements/Tooltip.cs

@@ -1,5 +1,6 @@
 using System;
 using Microsoft.Xna.Framework;
+using MLEM.Input;
 using MLEM.Ui.Style;
 
 namespace MLEM.Ui.Elements {
@@ -15,6 +16,10 @@ namespace MLEM.Ui.Elements {
         /// </summary>
         public StyleProp<Vector2> MouseOffset;
         /// <summary>
+        /// The offset that this tooltip's top center coordinate should have from the bottom center of the element snapped to when <see cref="DisplayInAutoNavMode"/> is true.
+        /// </summary>
+        public StyleProp<Vector2> AutoNavOffset;
+        /// <summary>
         /// The amount of time that the mouse has to be over an element before it appears
         /// </summary>
         public StyleProp<TimeSpan> Delay;
@@ -22,9 +27,24 @@ namespace MLEM.Ui.Elements {
         /// The paragraph of text that this tooltip displays
         /// </summary>
         public Paragraph Paragraph;
+        /// <summary>
+        /// Determines whether this tooltip should display when <see cref="UiControls.IsAutoNavMode"/> is true, which is when the UI is being controlled using a keyboard or gamepad.
+        /// If this tooltip is displayed in auto-nav mode, it will display below the selected element with the <see cref="AutoNavOffset"/> applied.
+        /// </summary>
+        public bool DisplayInAutoNavMode;
+        /// <summary>
+        /// The position that this tooltip should be following (or snapped to) instead of the <see cref="InputHandler.ViewportMousePosition"/>.
+        /// If this value is unset, <see cref="InputHandler.ViewportMousePosition"/> will be used as the snap position.
+        /// Note that <see cref="MouseOffset"/> is still applied with this value set.
+        /// </summary>
+        public virtual Vector2? SnapPosition { get; set; }
+
+        /// <inheritdoc />
+        public override bool IsHidden => this.autoHidden || base.IsHidden;
 
         private TimeSpan delayCountdown;
         private bool autoHidden;
+        private Element snapElement;
 
         /// <summary>
         /// Creates a new tooltip with the given settings
@@ -59,6 +79,7 @@ namespace MLEM.Ui.Elements {
                 if (this.delayCountdown <= TimeSpan.Zero) {
                     this.IsHidden = false;
                     this.UpdateAutoHidden();
+                    this.SnapPositionToMouse();
                 }
             } else {
                 this.UpdateAutoHidden();
@@ -78,6 +99,7 @@ namespace MLEM.Ui.Elements {
             base.InitStyle(style);
             this.Texture = this.Texture.OrStyle(style.TooltipBackground);
             this.MouseOffset = this.MouseOffset.OrStyle(style.TooltipOffset);
+            this.AutoNavOffset = this.AutoNavOffset.OrStyle(style.TooltipAutoNavOffset);
             this.Delay = this.Delay.OrStyle(style.TooltipDelay);
             this.ChildPadding = this.ChildPadding.OrStyle(style.TooltipChildPadding);
             if (this.Paragraph != null) {
@@ -87,11 +109,20 @@ namespace MLEM.Ui.Elements {
         }
 
         /// <summary>
-        /// Causes this tooltip's position to be snapped to the mouse position.
+        /// Causes this tooltip's position to be snapped to the mouse position, or the <see cref="snapElement"/> if <see cref="DisplayInAutoNavMode"/> is true, or the <see cref="SnapPosition"/> if set.
         /// </summary>
         public void SnapPositionToMouse() {
+            Vector2 snapPosition;
+            if (this.snapElement != null) {
+                // center our snap position below the snap element
+                snapPosition = new Vector2(this.snapElement.DisplayArea.Center.X, this.snapElement.DisplayArea.Bottom) + this.AutoNavOffset;
+                snapPosition.X -= this.DisplayArea.Width / 2F;
+            } else {
+                snapPosition = (this.SnapPosition ?? this.Input.ViewportMousePosition.ToVector2()) + this.MouseOffset.Value;
+            }
+
             var viewport = this.System.Viewport;
-            var offset = (this.Input.MousePosition.ToVector2() + this.MouseOffset.Value) / this.Scale;
+            var offset = snapPosition / this.Scale;
             if (offset.X < viewport.X)
                 offset.X = viewport.X;
             if (offset.Y < viewport.Y)
@@ -108,8 +139,10 @@ namespace MLEM.Ui.Elements {
         /// </summary>
         /// <param name="system">The system to add this tooltip to</param>
         /// <param name="name">The name that this tooltip should use</param>
-        public void Display(UiSystem system, string name) {
+        /// <returns>Whether this tooltip was successfully added, which is not the case if it is already being displayed currently.</returns>
-            system.Add(name, this);
+        public bool Display(UiSystem system, string name) {
+            if (system.Add(name, this) == null)
+                return false;
             if (this.Delay <= TimeSpan.Zero) {
                 this.IsHidden = false;
                 this.SnapPositionToMouse();
@@ -118,6 +151,7 @@ namespace MLEM.Ui.Elements {
                 this.delayCountdown = this.Delay;
             }
             this.autoHidden = false;
+            return true;
         }
 
         /// <summary>
@@ -134,8 +168,20 @@ namespace MLEM.Ui.Elements {
         /// </summary>
         /// <param name="elementToHover">The element that should automatically cause the tooltip to appear and disappear when hovered and not hovered, respectively</param>
         public void AddToElement(Element elementToHover) {
-            elementToHover.OnMouseEnter += element => this.Display(element.System, element.GetType().Name + "Tooltip");
+            elementToHover.OnMouseEnter += e => this.Display(e.System, $"{e.GetType().Name}Tooltip");
-            elementToHover.OnMouseExit += element => this.Remove();
+            elementToHover.OnMouseExit += e => this.Remove();
+            elementToHover.OnSelected += e => {
+                if (this.DisplayInAutoNavMode) {
+                    this.snapElement = e;
+                    this.Display(e.System, $"{e.GetType().Name}Tooltip");
+                }
+            };
+            elementToHover.OnDeselected += e => {
+                if (this.DisplayInAutoNavMode) {
+                    this.Remove();
+                    this.snapElement = null;
+                }
+            };
         }
 
         private void Init(Element elementToHover) {
@@ -159,10 +205,8 @@ namespace MLEM.Ui.Elements {
                 }
             }
             if (this.autoHidden != shouldBeHidden) {
-                // only auto-hide if IsHidden wasn't changed manually
-                if (this.IsHidden == this.autoHidden)
-                    this.IsHidden = shouldBeHidden;
                 this.autoHidden = shouldBeHidden;
+                this.SetAreaDirty();
             }
         }
 

MLEM.Ui/MLEM.Ui.csproj

@@ -4,7 +4,7 @@
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <ProduceReferenceAssembly>true</ProduceReferenceAssembly>
     </PropertyGroup>
-
+    
     <PropertyGroup>
         <Authors>Ellpeck</Authors>
         <Description>A mouse, keyboard, gamepad and touch ready Ui system that features automatic anchoring, sizing and several ready-to-use element types</Description>
@@ -16,16 +16,16 @@
         <PackageIcon>Logo.png</PackageIcon>
         <PackageReadmeFile>README.md</PackageReadmeFile>
     </PropertyGroup>
-
+    
     <ItemGroup>
         <PackageReference Include="TextCopy" Version="4.3.1" />
         <ProjectReference Include="..\MLEM\MLEM.csproj" />
-
+        
         <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.0.1641">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
     </ItemGroup>
-
+    
     <ItemGroup>
         <None Include="../Media/Logo.png" Pack="true" PackagePath="" />
         <None Include="../Docs/index.md" Pack="true" PackagePath="README.md" />

MLEM.Ui/Style/StyleProp.cs

@@ -27,8 +27,7 @@ namespace MLEM.Ui.Style {
         /// To create a style property with a lower priority, use <see cref="OrStyle(T,byte)"/> on an existing priority, or use <see cref="None"/>.
         /// </summary>
         /// <param name="value">The custom style to apply</param>
-        public StyleProp(T value) : this(value, byte.MaxValue) {
+        public StyleProp(T value) : this(value, byte.MaxValue) {}
-        }
 
         private StyleProp(T value, byte priority) {
             this.Value = value;
@@ -76,6 +75,7 @@ namespace MLEM.Ui.Style {
         /// <summary>Indicates whether the current object is equal to another object of the same type.</summary>
         /// <param name="other">An object to compare with this object.</param>
         /// <returns>true if the current object is equal to the <paramref name="other">other</paramref> parameter; otherwise, false.</returns>
+        [Obsolete("StyleProp equality is ambiguous as it is not clear whether priority is taken into account. Compare Values instead.")]
         public bool Equals(StyleProp<T> other) {
             return EqualityComparer<T>.Default.Equals(this.Value, other.Value);
         }
@@ -83,15 +83,19 @@ namespace MLEM.Ui.Style {
         /// <summary>Indicates whether this instance and a specified object are equal.</summary>
         /// <param name="obj">The object to compare with the current instance.</param>
         /// <returns>true if <paramref name="obj">obj</paramref> and this instance are the same type and represent the same value; otherwise, false.</returns>
+        [Obsolete("StyleProp equality is ambiguous as it is not clear whether priority is taken into account. Compare Values instead.")]
+        #pragma warning disable CS0809
         public override bool Equals(object obj) {
             return obj is StyleProp<T> other && this.Equals(other);
         }
 
         /// <summary>Returns the hash code for this instance.</summary>
         /// <returns>A 32-bit signed integer that is the hash code for this instance.</returns>
+        [Obsolete("StyleProp equality is ambiguous as it is not clear whether priority is taken into account. Compare Values instead.")]
         public override int GetHashCode() {
             return EqualityComparer<T>.Default.GetHashCode(this.Value);
         }
+        #pragma warning restore CS0809
 
         /// <summary>Returns the fully qualified type name of this instance.</summary>
         /// <returns>The fully qualified type name.</returns>
@@ -123,6 +127,7 @@ namespace MLEM.Ui.Style {
         /// <param name="left">The left style property.</param>
         /// <param name="right">The right style property.</param>
         /// <returns>Whether the two style properties are equal.</returns>
+        [Obsolete("StyleProp equality is ambiguous as it is not clear whether priority is taken into account. Compare Values instead.")]
         public static bool operator ==(StyleProp<T> left, StyleProp<T> right) {
             return left.Equals(right);
         }
@@ -133,6 +138,7 @@ namespace MLEM.Ui.Style {
         /// <param name="left">The left style property.</param>
         /// <param name="right">The right style property.</param>
         /// <returns>Whether the two style properties are not equal.</returns>
+        [Obsolete("StyleProp equality is ambiguous as it is not clear whether priority is taken into account. Compare Values instead.")]
         public static bool operator !=(StyleProp<T> left, StyleProp<T> right) {
             return !left.Equals(right);
         }

MLEM.Ui/Style/UiStyle.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using Microsoft.Xna.Framework;
 using MLEM.Font;
 using MLEM.Formatting;
+using MLEM.Formatting.Codes;
 using MLEM.Misc;
 using MLEM.Textures;
 using MLEM.Ui.Elements;
@@ -110,6 +111,14 @@ namespace MLEM.Ui.Style {
         /// </summary>
         public Color CheckboxHoveredColor = Color.LightGray;
         /// <summary>
+        /// The texture that the <see cref="Checkbox"/> element uses when it <see cref="Checkbox.IsDisabled"/>.
+        /// </summary>
+        public NinePatch CheckboxDisabledTexture;
+        /// <summary>
+        /// The color that the <see cref="Checkbox"/> element uses when it <see cref="Checkbox.IsDisabled"/>.
+        /// </summary>
+        public Color CheckboxDisabledColor = Color.Gray;
+        /// <summary>
         /// The texture that the <see cref="Checkbox"/> element renders on top of its regular texture when it is <see cref="Checkbox.Checked"/>
         /// </summary>
         public TextureRegion CheckboxCheckmark;
@@ -142,6 +151,10 @@ namespace MLEM.Ui.Style {
         /// </summary>
         public Vector2 TooltipOffset = new Vector2(8, 16);
         /// <summary>
+        /// The offset of the <see cref="Tooltip"/> element's top center coordinate from the bottom center of the element snapped to when <see cref="Tooltip.DisplayInAutoNavMode"/> is true.
+        /// </summary>
+        public Vector2 TooltipAutoNavOffset = new Vector2(0, 8);
+        /// <summary>
         /// The color that the text of a <see cref="Tooltip"/> should have
         /// </summary>
         public Color TooltipTextColor = Color.White;
@@ -191,11 +204,20 @@ namespace MLEM.Ui.Style {
         /// </summary>
         public Color TextColor = Color.White;
         /// <summary>
+        /// The <see cref="TextAlignment"/> that a <see cref="Paragraph"/> should use by default.
+        /// </summary>
+        public TextAlignment TextAlignment;
+        /// <summary>
         /// The <see cref="SoundEffectInfo"/> that should be played when an element's <see cref="Element.OnPressed"/> and <see cref="Element.OnSecondaryPressed"/> events are called.
         /// Note that this sound is only played if the callbacks have any subscribers.
         /// </summary>
         public SoundEffectInfo ActionSound;
         /// <summary>
+        /// The color that a <see cref="Paragraph"/>'s <see cref="Paragraph.Link"/> codes should have.
+        /// This value is passed to <see cref="LinkCode"/>.
+        /// </summary>
+        public Color? LinkColor;
+        /// <summary>
         /// A set of additional fonts that can be used for the <c>&lt;f FontName&gt;</c> formatting code
         /// </summary>
         public Dictionary<string, GenericFont> AdditionalFonts = new Dictionary<string, GenericFont>();

MLEM.Ui/UiControls.cs

@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using Microsoft.Xna.Framework;
@@ -19,36 +20,6 @@ namespace MLEM.Ui {
         /// The input handler that is used for querying input
         /// </summary>
         public readonly InputHandler Input;
-        /// <summary>
-        /// This value ist true if the <see cref="InputHandler"/> was created by this ui controls instance, or if it was passed in.
-        /// If the input handler was created by this instance, its <see cref="InputHandler.Update()"/> method should be called by us.
-        /// </summary>
-        protected readonly bool IsInputOurs;
-        /// <summary>
-        /// The <see cref="UiSystem"/> that this ui controls instance is controlling
-        /// </summary>
-        protected readonly UiSystem System;
-
-        /// <summary>
-        /// The <see cref="RootElement"/> that is currently active.
-        /// The active root element is the one with the highest <see cref="RootElement.Priority"/> that whose <see cref="RootElement.CanSelectContent"/> property is true.
-        /// </summary>
-        public RootElement ActiveRoot { get; protected set; }
-        /// <summary>
-        /// The <see cref="Element"/> that the mouse is currently over.
-        /// </summary>
-        public Element MousedElement { get; protected set; }
-        /// <summary>
-        /// The <see cref="Element"/> that is currently touched.
-        /// </summary>
-        public Element TouchedElement { get; protected set; }
-        private readonly Dictionary<string, Element> selectedElements = new Dictionary<string, Element>();
-        /// <summary>
-        /// The element that is currently selected.
-        /// This is the <see cref="RootElement.SelectedElement"/> of the <see cref="ActiveRoot"/>.
-        /// </summary>
-        public Element SelectedElement => this.GetSelectedElement(this.ActiveRoot);
-
         /// <summary>
         /// A list of <see cref="Keys"/>, <see cref="Buttons"/> and/or <see cref="MouseButton"/> that act as the buttons on the keyboard which perform the <see cref="Element.OnPressed"/> action.
         /// If the <see cref="ModifierKey.Shift"/> is held, these buttons perform <see cref="Element.OnSecondaryPressed"/>.
@@ -83,6 +54,25 @@ namespace MLEM.Ui {
         /// This can be used to easily serialize and deserialize all ui keybinds.
         /// </summary>
         public readonly Keybind[] Keybinds;
+
+        /// <summary>
+        /// The <see cref="RootElement"/> that is currently active.
+        /// The active root element is the one with the highest <see cref="RootElement.Priority"/> that whose <see cref="RootElement.CanSelectContent"/> property is true.
+        /// </summary>
+        public RootElement ActiveRoot { get; protected set; }
+        /// <summary>
+        /// The <see cref="Element"/> that the mouse is currently over.
+        /// </summary>
+        public Element MousedElement { get; protected set; }
+        /// <summary>
+        /// The <see cref="Element"/> that is currently touched.
+        /// </summary>
+        public Element TouchedElement { get; protected set; }
+        /// <summary>
+        /// The element that is currently selected.
+        /// This is the <see cref="RootElement.SelectedElement"/> of the <see cref="ActiveRoot"/>.
+        /// </summary>
+        public Element SelectedElement => this.GetSelectedElement(this.ActiveRoot);
         /// <summary>
         /// The zero-based index of the <see cref="GamePad"/> used for gamepad input.
         /// If this index is lower than 0, every connected gamepad will trigger input.
@@ -111,9 +101,35 @@ namespace MLEM.Ui {
         /// <summary>
         /// If this value is true, the ui controls are in automatic navigation mode.
         /// This means that the <see cref="UiStyle.SelectionIndicator"/> will be drawn around the <see cref="SelectedElement"/>.
-        /// To set this value, use <see cref="SelectElement"/> or <see cref="RootElement.SelectElement"/>
         /// </summary>
-        public bool IsAutoNavMode { get; internal set; }
+        public bool IsAutoNavMode {
+            get => this.isAutoNavMode;
+            set {
+                if (this.isAutoNavMode != value) {
+                    this.isAutoNavMode = value;
+                    this.AutoNavModeChanged?.Invoke(value);
+                }
+            }
+        }
+
+        /// <summary>
+        /// An event that is raised when <see cref="IsAutoNavMode"/> is changed.
+        /// This can be used for custom actions like hiding the mouse cursor when automatic navigation is enabled.
+        /// </summary>
+        public event Action<bool> AutoNavModeChanged;
+
+        /// <summary>
+        /// This value ist true if the <see cref="InputHandler"/> was created by this ui controls instance, or if it was passed in.
+        /// If the input handler was created by this instance, its <see cref="InputHandler.Update()"/> method should be called by us.
+        /// </summary>
+        protected readonly bool IsInputOurs;
+        /// <summary>
+        /// The <see cref="UiSystem"/> that this ui controls instance is controlling
+        /// </summary>
+        protected readonly UiSystem System;
+
+        private readonly Dictionary<string, Element> selectedElements = new Dictionary<string, Element>();
+        private bool isAutoNavMode;
 
         /// <summary>
         /// Creates a new instance of the ui controls.
@@ -139,11 +155,11 @@ namespace MLEM.Ui {
         public virtual void Update() {
             if (this.IsInputOurs)
                 this.Input.Update();
-            this.ActiveRoot = this.System.GetRootElements().FirstOrDefault(root => root.CanSelectContent && !root.Element.IsHidden);
+            this.ActiveRoot = this.System.GetRootElements().FirstOrDefault(root => !root.Element.IsHidden && root.CanSelectContent);
 
             // MOUSE INPUT
             if (this.HandleMouse) {
-                var mousedNow = this.GetElementUnderPos(this.Input.MousePosition.ToVector2());
+                var mousedNow = this.GetElementUnderPos(this.Input.ViewportMousePosition.ToVector2());
                 this.SetMousedElement(mousedNow);
 
                 if (this.Input.IsMouseButtonPressed(MouseButton.Left)) {
@@ -184,22 +200,22 @@ namespace MLEM.Ui {
 
             // TOUCH INPUT
             if (this.HandleTouch) {
-                if (this.Input.GetGesture(GestureType.Tap, out var tap)) {
+                if (this.Input.GetViewportGesture(GestureType.Tap, out var tap)) {
                     this.IsAutoNavMode = false;
                     var tapped = this.GetElementUnderPos(tap.Position);
                     this.SelectElement(this.ActiveRoot, tapped);
                     if (tapped != null && tapped.CanBePressed)
                         this.System.InvokeOnElementPressed(tapped);
-                } else if (this.Input.GetGesture(GestureType.Hold, out var hold)) {
+                } else if (this.Input.GetViewportGesture(GestureType.Hold, out var hold)) {
                     this.IsAutoNavMode = false;
                     var held = this.GetElementUnderPos(hold.Position);
                     this.SelectElement(this.ActiveRoot, held);
                     if (held != null && held.CanBePressed)
                         this.System.InvokeOnElementSecondaryPressed(held);
-                } else if (this.Input.TouchState.Count <= 0) {
+                } else if (this.Input.ViewportTouchState.Count <= 0) {
                     this.SetTouchedElement(null);
                 } else {
-                    foreach (var location in this.Input.TouchState) {
+                    foreach (var location in this.Input.ViewportTouchState) {
                         var element = this.GetElementUnderPos(location.Position);
                         if (location.State == TouchLocationState.Pressed) {
                             // start touching an element if we just touched down on it
@@ -259,6 +275,8 @@ namespace MLEM.Ui {
         public void SelectElement(RootElement root, Element element, bool? autoNav = null) {
             if (root == null)
                 return;
+            if (element != null && !element.CanBeSelected)
+                return;
             var selected = this.GetSelectedElement(root);
             if (selected == element)
                 return;
@@ -282,6 +300,8 @@ namespace MLEM.Ui {
         /// </summary>
         /// <param name="element">The element to set as moused</param>
         public void SetMousedElement(Element element) {
+            if (element != null && !element.CanBeMoused)
+                return;
             if (element != this.MousedElement) {
                 if (this.MousedElement != null)
                     this.System.InvokeOnElementMouseExit(this.MousedElement);
@@ -297,6 +317,8 @@ namespace MLEM.Ui {
         /// </summary>
         /// <param name="element">The element to set as touched</param>
         public void SetTouchedElement(Element element) {
+            if (element != null && !element.CanBeMoused)
+                return;
             if (element != this.TouchedElement) {
                 if (this.TouchedElement != null)
                     this.System.InvokeOnElementTouchExit(this.TouchedElement);
@@ -317,6 +339,8 @@ namespace MLEM.Ui {
             if (root == null)
                 return null;
             this.selectedElements.TryGetValue(root.Name, out var element);
+            if (element != null && !element.CanBeSelected)
+                return null;
             return element;
         }
 
@@ -355,11 +379,11 @@ namespace MLEM.Ui {
         }
 
         /// <summary>
-        /// Returns the next element that should be selected during gamepad navigation, based on the <see cref="RectangleF"/> that we're looking for elements in.
+        /// Returns the next element that should be selected during gamepad navigation, based on the <see cref="Direction2"/> that we're looking for elements in.
         /// </summary>
-        /// <param name="searchArea">The area that we're looking for next elements in</param>
+        /// <param name="direction">The direction that we're looking for next elements in</param>
         /// <returns>The first element found in that area</returns>
-        protected virtual Element GetGamepadNextElement(RectangleF searchArea) {
+        protected virtual Element GetGamepadNextElement(Direction2 direction) {
             if (this.ActiveRoot == null)
                 return null;
             var children = this.ActiveRoot.Element.GetChildren(c => !c.IsHidden, true, true).Append(this.ActiveRoot.Element);
@@ -367,14 +391,20 @@ namespace MLEM.Ui {
                 return children.FirstOrDefault(c => c.CanBeSelected);
             } else {
                 Element closest = null;
-                float closestDist = 0;
+                float closestPriority = 0;
                 foreach (var child in children) {
-                    if (!child.CanBeSelected || child == this.SelectedElement || !searchArea.Intersects(child.Area))
+                    if (!child.CanBeSelected || child == this.SelectedElement)
                         continue;
-                    var dist = Vector2.Distance(child.Area.Center, this.SelectedElement.Area.Center);
+                    var (xOffset, yOffset) = child.Area.Center - this.SelectedElement.Area.Center;
-                    if (closest == null || dist < closestDist) {
+                    var angle = Math.Abs(direction.Angle() - (float) Math.Atan2(yOffset, xOffset));
+                    if (angle >= MathHelper.PiOver2 - Element.Epsilon)
+                        continue;
+                    var distSq = child.Area.DistanceSquared(this.SelectedElement.Area);
+                    // both distance and angle play a role in a destination button's priority, so we combine them
+                    var priority = (distSq + 1) * (angle / MathHelper.PiOver2 + 1);
+                    if (closest == null || priority < closestPriority) {
                         closest = child;
-                        closestDist = dist;
+                        closestPriority = priority;
                     }
                 }
                 return closest;
@@ -383,28 +413,7 @@ namespace MLEM.Ui {
 
         private void HandleGamepadNextElement(Direction2 dir) {
             this.IsAutoNavMode = true;
-            RectangleF searchArea = default;
+            var next = this.GetGamepadNextElement(dir);
-            if (this.SelectedElement?.Root != null) {
-                searchArea = this.SelectedElement.Area;
-                var (_, _, width, height) = this.System.Viewport;
-                switch (dir) {
-                    case Direction2.Down:
-                        searchArea.Height += height;
-                        break;
-                    case Direction2.Left:
-                        searchArea.X -= width;
-                        searchArea.Width += width;
-                        break;
-                    case Direction2.Right:
-                        searchArea.Width += width;
-                        break;
-                    case Direction2.Up:
-                        searchArea.Y -= height;
-                        searchArea.Height += height;
-                        break;
-                }
-            }
-            var next = this.GetGamepadNextElement(searchArea);
             if (this.SelectedElement != null)
                 next = this.SelectedElement.GetGamepadNextElement(dir, next);
             if (next != null)

MLEM.Ui/UiSystem.cs

@@ -23,9 +23,16 @@ namespace MLEM.Ui {
 
         /// <summary>
         /// The viewport that this ui system is rendering inside of.
-        /// This is automatically updated during <see cref="GameWindow.ClientSizeChanged"/>
+        /// This is automatically updated during <see cref="GameWindow.ClientSizeChanged"/> by default.
         /// </summary>
-        public Rectangle Viewport;
+        public Rectangle Viewport {
+            get => this.viewport;
+            set {
+                this.viewport = value;
+                foreach (var root in this.rootElements)
+                    root.Element.ForceUpdateArea();
+            }
+        }
         /// <summary>
         /// Set this field to true to cause the ui system and all of its elements to automatically scale up or down with greater and lower resolution, respectively.
         /// If this field is true, <see cref="AutoScaleReferenceSize"/> is used as the size that uses default <see cref="GlobalScale"/>
@@ -59,10 +66,8 @@ namespace MLEM.Ui {
             get => this.style;
             set {
                 this.style = value;
-                foreach (var root in this.rootElements) {
+                foreach (var root in this.rootElements)
-                    root.Element.AndChildren(e => e.System = this);
+                    root.Element.AndChildren(e => e.Style = e.Style.OrStyle(value));
-                    root.Element.ForceUpdateArea();
-                }
             }
         }
         /// <summary>
@@ -100,7 +105,7 @@ namespace MLEM.Ui {
         public UiControls Controls;
         /// <summary>
         /// The update and rendering statistics to be used for runtime debugging and profiling.
-        /// The metrics are reset accordingly every frame: <see cref="UiMetrics.ResetUpdates"/> is called at the start of <see cref="Update"/>, and <see cref="UiMetrics.ResetDraws"/> is called at the start of <see cref="DrawEarly"/>, or at the start of <see cref="Draw"/> if <see cref="DrawEarly"/> was not called.
+        /// The metrics are reset accordingly every frame: <see cref="UiMetrics.ResetUpdates"/> is called at the start of <see cref="Update"/>, and <see cref="UiMetrics.ResetDraws"/> is called at the start of <see cref="Draw"/>.
         /// </summary>
         public UiMetrics Metrics;
 
@@ -153,6 +158,10 @@ namespace MLEM.Ui {
         /// </summary>
         public event Element.GenericCallback OnElementAreaUpdated;
         /// <summary>
+        /// Event that is called when an <see cref="Element"/>'s <see cref="Element.InitStyle"/> method is called while setting its <see cref="Element.Style"/>.
+        /// </summary>
+        public event Element.GenericCallback OnElementStyleInit;
+        /// <summary>
         /// Event that is invoked when the <see cref="Element"/> that the mouse is currently over changes
         /// </summary>
         public event Element.GenericCallback OnMousedElementChanged;
@@ -173,12 +182,12 @@ namespace MLEM.Ui {
         /// </summary>
         public event RootCallback OnRootRemoved;
 
-        internal readonly Stopwatch Stopwatch = new Stopwatch();
-
         private readonly List<RootElement> rootElements = new List<RootElement>();
+        private readonly Stopwatch stopwatch = new Stopwatch();
         private float globalScale = 1;
         private bool drewEarly;
         private UiStyle style;
+        private Rectangle viewport;
 
         /// <summary>
         /// Creates a new ui system with the given settings.
@@ -190,6 +199,7 @@ namespace MLEM.Ui {
         public UiSystem(Game game, UiStyle style, InputHandler inputHandler = null, bool automaticViewport = true) : base(game) {
             this.Controls = new UiControls(this, inputHandler);
             this.style = style;
+
             this.OnElementDrawn += (e, time, batch, alpha) => e.OnDrawn?.Invoke(e, time, batch, alpha);
             this.OnElementUpdated += (e, time) => e.OnUpdated?.Invoke(e, time);
             this.OnElementPressed += e => e.OnPressed?.Invoke(e);
@@ -201,6 +211,7 @@ namespace MLEM.Ui {
             this.OnElementTouchEnter += e => e.OnTouchEnter?.Invoke(e);
             this.OnElementTouchExit += e => e.OnTouchExit?.Invoke(e);
             this.OnElementAreaUpdated += e => e.OnAreaUpdated?.Invoke(e);
+            this.OnElementStyleInit += e => e.OnStyleInit?.Invoke(e);
             this.OnMousedElementChanged += e => this.ApplyToAll(t => t.OnMousedElementChanged?.Invoke(t, e));
             this.OnTouchedElementChanged += e => this.ApplyToAll(t => t.OnTouchedElementChanged?.Invoke(t, e));
             this.OnSelectedElementChanged += e => this.ApplyToAll(t => t.OnSelectedElementChanged?.Invoke(t, e));
@@ -216,6 +227,7 @@ namespace MLEM.Ui {
                 if (e.OnSecondaryPressed != null)
                     e.SecondActionSound.Value?.Play();
             };
+
             MlemPlatform.Current?.AddTextInputListener(game.Window, (sender, key, character) => this.ApplyToAll(e => e.OnTextInput?.Invoke(e, key, character)));
 
             if (automaticViewport) {
@@ -223,14 +235,13 @@ namespace MLEM.Ui {
                 this.AutoScaleReferenceSize = this.Viewport.Size;
                 game.Window.ClientSizeChanged += (sender, args) => {
                     this.Viewport = new Rectangle(Point.Zero, game.Window.ClientBounds.Size);
-                    foreach (var root in this.rootElements)
-                        root.Element.ForceUpdateArea();
                 };
             }
 
             this.TextFormatter = new TextFormatter();
             this.TextFormatter.Codes.Add(new Regex("<l(?: ([^>]+))?>"), (f, m, r) => new LinkCode(m, r, 1 / 16F, 0.85F,
-                t => this.Controls.MousedElement is Paragraph.Link l1 && l1.Token == t || this.Controls.TouchedElement is Paragraph.Link l2 && l2.Token == t));
+                t => this.Controls.MousedElement is Paragraph.Link l1 && l1.Token == t || this.Controls.TouchedElement is Paragraph.Link l2 && l2.Token == t,
+                this.Style.LinkColor));
             this.TextFormatter.Codes.Add(new Regex("<f ([^>]+)>"), (_, m, r) => new FontCode(m, r,
                 f => this.Style.AdditionalFonts != null && this.Style.AdditionalFonts.TryGetValue(m.Groups[1].Value, out var c) ? c : f));
         }
@@ -241,14 +252,14 @@ namespace MLEM.Ui {
         /// <param name="time">The game's time</param>
         public override void Update(GameTime time) {
             this.Metrics.ResetUpdates();
-            this.Stopwatch.Restart();
+            this.stopwatch.Restart();
 
             this.Controls.Update();
             for (var i = this.rootElements.Count - 1; i >= 0; i--)
                 this.rootElements[i].Element.Update(time);
 
-            this.Stopwatch.Stop();
+            this.stopwatch.Stop();
-            this.Metrics.UpdateTime += this.Stopwatch.Elapsed;
+            this.Metrics.UpdateTime += this.stopwatch.Elapsed;
         }
 
         /// <summary>
@@ -257,30 +268,30 @@ namespace MLEM.Ui {
         /// </summary>
         /// <param name="time">The game's time</param>
         /// <param name="batch">The sprite batch to use for drawing</param>
+        [Obsolete("DrawEarly is deprecated. Calling it is not required anymore, and there is no replacement.")]
         public void DrawEarly(GameTime time, SpriteBatch batch) {
             this.Metrics.ResetDraws();
-            this.Stopwatch.Restart();
+            this.stopwatch.Restart();
 
             foreach (var root in this.rootElements) {
                 if (!root.Element.IsHidden)
                     root.Element.DrawEarly(time, batch, this.DrawAlpha * root.Element.DrawAlpha, this.BlendState, this.SamplerState, this.DepthStencilState, this.Effect, root.Transform);
             }
 
-            this.Stopwatch.Stop();
+            this.stopwatch.Stop();
-            this.Metrics.DrawTime += this.Stopwatch.Elapsed;
+            this.Metrics.DrawTime += this.stopwatch.Elapsed;
             this.drewEarly = true;
         }
 
         /// <summary>
         /// Draws any <see cref="Element"/>s onto the screen.
-        /// Note that, when using <see cref="Panel"/>s with a scroll bar, <see cref="DrawEarly"/> needs to be called as well.
         /// </summary>
         /// <param name="time">The game's time</param>
         /// <param name="batch">The sprite batch to use for drawing</param>
         public void Draw(GameTime time, SpriteBatch batch) {
             if (!this.drewEarly)
                 this.Metrics.ResetDraws();
-            this.Stopwatch.Restart();
+            this.stopwatch.Restart();
 
             foreach (var root in this.rootElements) {
                 if (root.Element.IsHidden)
@@ -291,8 +302,8 @@ namespace MLEM.Ui {
                 batch.End();
             }
 
-            this.Stopwatch.Stop();
+            this.stopwatch.Stop();
-            this.Metrics.DrawTime += this.Stopwatch.Elapsed;
+            this.Metrics.DrawTime += this.stopwatch.Elapsed;
             this.drewEarly = false;
         }
 
@@ -380,21 +391,69 @@ namespace MLEM.Ui {
                 root.Element.AndChildren(action);
         }
 
-        internal void InvokeOnElementDrawn(Element element, GameTime time, SpriteBatch batch, float alpha) => this.OnElementDrawn?.Invoke(element, time, batch, alpha);
+        internal void InvokeOnElementDrawn(Element element, GameTime time, SpriteBatch batch, float alpha) {
-        internal void InvokeOnSelectedElementDrawn(Element element, GameTime time, SpriteBatch batch, float alpha) => this.OnSelectedElementDrawn?.Invoke(element, time, batch, alpha);
+            this.OnElementDrawn?.Invoke(element, time, batch, alpha);
-        internal void InvokeOnElementUpdated(Element element, GameTime time) => this.OnElementUpdated?.Invoke(element, time);
+        }
-        internal void InvokeOnElementAreaUpdated(Element element) => this.OnElementAreaUpdated?.Invoke(element);
+
-        internal void InvokeOnElementPressed(Element element) => this.OnElementPressed?.Invoke(element);
+        internal void InvokeOnSelectedElementDrawn(Element element, GameTime time, SpriteBatch batch, float alpha) {
-        internal void InvokeOnElementSecondaryPressed(Element element) => this.OnElementSecondaryPressed?.Invoke(element);
+            this.OnSelectedElementDrawn?.Invoke(element, time, batch, alpha);
-        internal void InvokeOnElementSelected(Element element) => this.OnElementSelected?.Invoke(element);
+        }
-        internal void InvokeOnElementDeselected(Element element) => this.OnElementDeselected?.Invoke(element);
+
-        internal void InvokeOnSelectedElementChanged(Element element) => this.OnSelectedElementChanged?.Invoke(element);
+        internal void InvokeOnElementUpdated(Element element, GameTime time) {
-        internal void InvokeOnElementMouseExit(Element element) => this.OnElementMouseExit?.Invoke(element);
+            this.OnElementUpdated?.Invoke(element, time);
-        internal void InvokeOnElementMouseEnter(Element element) => this.OnElementMouseEnter?.Invoke(element);
+        }
-        internal void InvokeOnMousedElementChanged(Element element) => this.OnMousedElementChanged?.Invoke(element);
+
-        internal void InvokeOnElementTouchExit(Element element) => this.OnElementTouchExit?.Invoke(element);
+        internal void InvokeOnElementAreaUpdated(Element element) {
-        internal void InvokeOnElementTouchEnter(Element element) => this.OnElementTouchEnter?.Invoke(element);
+            this.OnElementAreaUpdated?.Invoke(element);
-        internal void InvokeOnTouchedElementChanged(Element element) => this.OnTouchedElementChanged?.Invoke(element);
+        }
+
+        internal void InvokeOnElementStyleInit(Element element) {
+            this.OnElementStyleInit?.Invoke(element);
+        }
+
+        internal void InvokeOnElementPressed(Element element) {
+            this.OnElementPressed?.Invoke(element);
+        }
+
+        internal void InvokeOnElementSecondaryPressed(Element element) {
+            this.OnElementSecondaryPressed?.Invoke(element);
+        }
+
+        internal void InvokeOnElementSelected(Element element) {
+            this.OnElementSelected?.Invoke(element);
+        }
+
+        internal void InvokeOnElementDeselected(Element element) {
+            this.OnElementDeselected?.Invoke(element);
+        }
+
+        internal void InvokeOnSelectedElementChanged(Element element) {
+            this.OnSelectedElementChanged?.Invoke(element);
+        }
+
+        internal void InvokeOnElementMouseExit(Element element) {
+            this.OnElementMouseExit?.Invoke(element);
+        }
+
+        internal void InvokeOnElementMouseEnter(Element element) {
+            this.OnElementMouseEnter?.Invoke(element);
+        }
+
+        internal void InvokeOnMousedElementChanged(Element element) {
+            this.OnMousedElementChanged?.Invoke(element);
+        }
+
+        internal void InvokeOnElementTouchExit(Element element) {
+            this.OnElementTouchExit?.Invoke(element);
+        }
+
+        internal void InvokeOnElementTouchEnter(Element element) {
+            this.OnElementTouchEnter?.Invoke(element);
+        }
+
+        internal void InvokeOnTouchedElementChanged(Element element) {
+            this.OnTouchedElementChanged?.Invoke(element);
+        }
 
         /// <summary>
         /// A delegate used for callbacks that involve a <see cref="RootElement"/>
@@ -475,7 +534,7 @@ namespace MLEM.Ui {
         /// Determines whether this root element contains any children that <see cref="Elements.Element.CanBeSelected"/>.
         /// This value is automatically calculated.
         /// </summary>
-        public bool CanSelectContent { get; private set; }
+        public bool CanSelectContent => this.Element.CanBeSelected || this.Element.GetChildren(c => c.CanBeSelected, true).Any();
 
         /// <summary>
         /// Event that is invoked when a <see cref="Element"/> is added to this root element or any of its children.
@@ -498,21 +557,6 @@ namespace MLEM.Ui {
             this.Name = name;
             this.Element = element;
             this.System = system;
-
-            this.OnElementAdded += e => {
-                if (e.CanBeSelected)
-                    this.CanSelectContent = true;
-            };
-            this.OnElementRemoved += e => {
-                if (e.CanBeSelected) {
-                    // check if removing this element removed all other selectable elements
-                    foreach (var c in this.Element.GetChildren(regardGrandchildren: true)) {
-                        if (c.CanBeSelected)
-                            return;
-                    }
-                    this.CanSelectContent = false;
-                }
-            };
         }
 
         /// <summary>
@@ -534,10 +578,21 @@ namespace MLEM.Ui {
             this.Transform = Matrix.CreateScale(scale, scale, 1) * Matrix.CreateTranslation(new Vector3((1 - scale) * (origin ?? this.Element.DisplayArea.Center), 0));
         }
 
-        internal void InvokeOnElementAdded(Element element) => this.OnElementAdded?.Invoke(element);
+        internal void InvokeOnElementAdded(Element element) {
-        internal void InvokeOnElementRemoved(Element element) => this.OnElementRemoved?.Invoke(element);
+            this.OnElementAdded?.Invoke(element);
-        internal void InvokeOnAddedToUi(UiSystem system) => this.OnAddedToUi?.Invoke(system);
+        }
-        internal void InvokeOnRemovedFromUi(UiSystem system) => this.OnRemovedFromUi?.Invoke(system);
+
+        internal void InvokeOnElementRemoved(Element element) {
+            this.OnElementRemoved?.Invoke(element);
+        }
+
+        internal void InvokeOnAddedToUi(UiSystem system) {
+            this.OnAddedToUi?.Invoke(system);
+        }
+
+        internal void InvokeOnRemovedFromUi(UiSystem system) {
+            this.OnRemovedFromUi?.Invoke(system);
+        }
 
     }
 }

MLEM/Animations/SpriteAnimation.cs

@@ -103,18 +103,14 @@ namespace MLEM.Animations {
         /// </summary>
         /// <param name="timePerFrame">The amount of time that each frame should last for</param>
         /// <param name="regions">The texture regions that should make up this animation</param>
-        public SpriteAnimation(double timePerFrame, params TextureRegion[] regions) :
+        public SpriteAnimation(double timePerFrame, params TextureRegion[] regions) : this(Array.ConvertAll(regions, r => new AnimationFrame(timePerFrame, r))) {}
-            this(Array.ConvertAll(regions, r => new AnimationFrame(timePerFrame, r))) {
-        }
 
         /// <summary>
         /// Creates a new sprite animation that contains the given texture region arrays as frames, where each frame represents one set of texture regions.
         /// </summary>
         /// <param name="timePerFrame">The amount of time that each frame should last for</param>
         /// <param name="regions">The texture regions that should make up this animation</param>
-        public SpriteAnimation(double timePerFrame, params TextureRegion[][] regions) :
+        public SpriteAnimation(double timePerFrame, params TextureRegion[][] regions) : this(Array.ConvertAll(regions, r => new AnimationFrame(timePerFrame, r))) {}
-            this(Array.ConvertAll(regions, r => new AnimationFrame(timePerFrame, r))) {
-        }
 
         /// <summary>
         /// Creates a new sprite animation based on the given texture regions in rectangle-based format.
@@ -122,9 +118,7 @@ namespace MLEM.Animations {
         /// <param name="timePerFrame">The amount of time that each frame should last for</param>
         /// <param name="texture">The texture that the regions should come from</param>
         /// <param name="regions">The texture regions that should make up this animation</param>
-        public SpriteAnimation(double timePerFrame, Texture2D texture, params Rectangle[] regions) :
+        public SpriteAnimation(double timePerFrame, Texture2D texture, params Rectangle[] regions) : this(timePerFrame, Array.ConvertAll(regions, r => new TextureRegion(texture, r))) {}
-            this(timePerFrame, Array.ConvertAll(regions, r => new TextureRegion(texture, r))) {
-        }
 
         /// <summary>
         /// Updates this animation, causing <see cref="TimeIntoAnimation"/> to be increased and the <see cref="CurrentFrame"/> to be updated.

MLEM/Extensions/ColorExtensions.cs

@@ -3,16 +3,16 @@ using Microsoft.Xna.Framework;
 
 namespace MLEM.Extensions {
     /// <summary>
-    /// A set of extensions for dealing with <see cref="Color"/> objects
+    /// A set of extensions for dealing with <see cref="Color"/> objects.
     /// </summary>
     public static class ColorExtensions {
 
         /// <summary>
-        /// Copies the alpha value from another color into this color.
+        /// Copies the alpha value from another color into this color and returns the result.
         /// </summary>
-        /// <param name="color">The color</param>
+        /// <param name="color">The color.</param>
-        /// <param name="other">The color to copy the alpha from</param>
+        /// <param name="other">The color to copy the alpha from.</param>
-        /// <returns>The first color with the second color's alpha value</returns>
+        /// <returns>The first color with the second color's alpha value.</returns>
         public static Color CopyAlpha(this Color color, Color other) {
             return color * (other.A / 255F);
         }
@@ -20,16 +20,26 @@ namespace MLEM.Extensions {
         /// <summary>
         /// Returns an inverted version of this color.
         /// </summary>
-        /// <param name="color">The color to invert</param>
+        /// <param name="color">The color to invert.</param>
-        /// <returns>The inverted color</returns>
+        /// <returns>The inverted color.</returns>
         public static Color Invert(this Color color) {
             return new Color(255 - color.R, 255 - color.G, 255 - color.B, color.A);
         }
 
+        /// <summary>
+        /// Multiplies this color with another color and returns the result.
+        /// </summary>
+        /// <param name="color">The first color.</param>
+        /// <param name="other">The second color.</param>
+        /// <returns>The two colors multiplied together.</returns>
+        public static Color Multiply(this Color color, Color other) {
+            return new Color(color.ToVector4() * other.ToVector4());
+        }
+
     }
 
     /// <summary>
-    /// A set of utility methods for dealing with <see cref="Color"/> objects
+    /// A set of utility methods for dealing with <see cref="Color"/> objects.
     /// </summary>
     public static class ColorHelper {
 
@@ -37,28 +47,28 @@ namespace MLEM.Extensions {
         /// Parses a hexadecimal number into an rgba color.
         /// The number should be in the format <c>0xaarrggbb</c>.
         /// </summary>
-        /// <param name="value">The number to parse</param>
+        /// <param name="value">The number to parse.</param>
-        /// <returns>The resulting color</returns>
+        /// <returns>The resulting color.</returns>
         public static Color FromHexRgba(int value) {
-            return new Color(value >> 16 & 0xFF, value >> 8 & 0xFF, value >> 0 & 0xFF, value >> 24 & 0xFF);
+            return new Color((value >> 16) & 0xFF, (value >> 8) & 0xFF, (value >> 0) & 0xFF, (value >> 24) & 0xFF);
         }
 
         /// <summary>
         /// Parses a hexadecimal number into an rgb color with 100% alpha.
         /// The number should be in the format <c>0xrrggbb</c>.
         /// </summary>
-        /// <param name="value">The number to parse</param>
+        /// <param name="value">The number to parse.</param>
-        /// <returns>The resulting color</returns>
+        /// <returns>The resulting color.</returns>
         public static Color FromHexRgb(int value) {
-            return new Color(value >> 16 & 0xFF, value >> 8 & 0xFF, value >> 0 & 0xFF);
+            return new Color((value >> 16) & 0xFF, (value >> 8) & 0xFF, (value >> 0) & 0xFF);
         }
 
         /// <summary>
         /// Parses a hexadecimal string into a color.
         /// The string can either be formatted as RRGGBB or AARRGGBB and can optionally start with a <c>#</c>.
         /// </summary>
-        /// <param name="value">The string to parse</param>
+        /// <param name="value">The string to parse.</param>
-        /// <returns>The resulting color</returns>
+        /// <returns>The resulting color.</returns>
         public static Color FromHexString(string value) {
             if (value.StartsWith("#"))
                 value = value.Substring(1);

MLEM/Extensions/RandomExtensions.cs

@@ -41,5 +41,18 @@ namespace MLEM.Extensions {
             throw new IndexOutOfRangeException();
         }
 
+        /// <inheritdoc cref="GetRandomWeightedEntry{T}(System.Random,System.Collections.Generic.IList{T},System.Func{T,int})"/>
+        public static T GetRandomWeightedEntry<T>(this Random random, IList<T> entries, Func<T, float> weightFunc) {
+            var totalWeight = entries.Sum(weightFunc);
+            var goalWeight = random.NextDouble() * totalWeight;
+            var currWeight = 0F;
+            foreach (var entry in entries) {
+                currWeight += weightFunc(entry);
+                if (currWeight >= goalWeight)
+                    return entry;
+            }
+            throw new IndexOutOfRangeException();
+        }
+
     }
 }

MLEM/Font/GenericFont.cs

@@ -18,7 +18,10 @@ namespace MLEM.Font {
         /// This is a character that isn't drawn, but has the same width as <see cref="LineHeight"/>.
         /// Whereas a regular <see cref="SpriteFont"/> would have to explicitly support this character for width calculations, generic fonts implicitly support it in <see cref="MeasureString(string,bool)"/>.
         /// </summary>
-        public const char OneEmSpace = '\u2003';
+        public const char Emsp = '\u2003';
+        /// <inheritdoc cref="Emsp"/>
+        [Obsolete("Use the Emsp field instead.")]
+        public const char OneEmSpace = Emsp;
         /// <summary>
         /// This field holds the unicode representation of a non-breaking space.
         /// Whereas a regular <see cref="SpriteFont"/> would have to explicitly support this character for width calculations, generic fonts implicitly support it in <see cref="MeasureString(string,bool)"/>.
@@ -26,7 +29,7 @@ namespace MLEM.Font {
         public const char Nbsp = '\u00A0';
         /// <summary>
         /// This field holds the unicode representation of a zero-width space.
-        /// Whereas a regular <see cref="SpriteFont"/> would have to explicitly support this character for width calculations and string splitting, generic fonts implicitly support it in <see cref="MeasureString(string,bool)"/> and <see cref="SplitString"/>.
+        /// Whereas a regular <see cref="SpriteFont"/> would have to explicitly support this character for width calculations and string splitting, generic fonts implicitly support it in <see cref="MeasureString(string,bool)"/> and <see cref="SplitString(string,float,float)"/>.
         /// </summary>
         public const char Zwsp = '\u200B';
 
@@ -48,17 +51,35 @@ namespace MLEM.Font {
 
         /// <summary>
         /// Measures the width of the given character with the default scale for use in <see cref="MeasureString(string,bool)"/>.
-        /// Note that this method does not support <see cref="Nbsp"/>, <see cref="Zwsp"/> and <see cref="OneEmSpace"/> for most generic fonts, which is why <see cref="MeasureString(string,bool)"/> should be used even for single characters.
+        /// Note that this method does not support <see cref="Nbsp"/>, <see cref="Zwsp"/> and <see cref="Emsp"/> for most generic fonts, which is why <see cref="MeasureString(string,bool)"/> should be used even for single characters.
         /// </summary>
         /// <param name="c">The character whose width to calculate</param>
         /// <returns>The width of the given character with the default scale</returns>
         protected abstract float MeasureChar(char c);
 
-        ///<inheritdoc cref="SpriteBatch.DrawString(SpriteFont,string,Vector2,Color,float,Vector2,float,SpriteEffects,float)"/>
+        /// <summary>
-        public abstract void DrawString(SpriteBatch batch, string text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth);
+        /// Draws the given character with the given data for use in <see cref="DrawString(Microsoft.Xna.Framework.Graphics.SpriteBatch,System.Text.StringBuilder,Microsoft.Xna.Framework.Vector2,Microsoft.Xna.Framework.Color,float,Microsoft.Xna.Framework.Vector2,Microsoft.Xna.Framework.Vector2,Microsoft.Xna.Framework.Graphics.SpriteEffects,float)"/>.
+        /// Note that this method is only called internally.
+        /// </summary>
+        /// <param name="batch">The sprite batch to draw with.</param>
+        /// <param name="cString">A string representation of the character which will be drawn.</param>
+        /// <param name="position">The drawing location on screen.</param>
+        /// <param name="color">A color mask.</param>
+        /// <param name="rotation">A rotation of this character.</param>
+        /// <param name="scale">A scaling of this character.</param>
+        /// <param name="effects">Modificators for drawing. Can be combined.</param>
+        /// <param name="layerDepth">A depth of the layer of this character.</param>
+        protected abstract void DrawChar(SpriteBatch batch, string cString, Vector2 position, Color color, float rotation, Vector2 scale, SpriteEffects effects, float layerDepth);
 
         ///<inheritdoc cref="SpriteBatch.DrawString(SpriteFont,string,Vector2,Color,float,Vector2,float,SpriteEffects,float)"/>
-        public abstract void DrawString(SpriteBatch batch, StringBuilder text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth);
+        public void DrawString(SpriteBatch batch, string text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth) {
+            this.DrawString(batch, new CharSource(text), position, color, rotation, origin, scale, effects, layerDepth);
+        }
+
+        ///<inheritdoc cref="SpriteBatch.DrawString(SpriteFont,string,Vector2,Color,float,Vector2,float,SpriteEffects,float)"/>
+        public void DrawString(SpriteBatch batch, StringBuilder text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth) {
+            this.DrawString(batch, new CharSource(text), position, color, rotation, origin, scale, effects, layerDepth);
+        }
 
         ///<inheritdoc cref="SpriteBatch.DrawString(SpriteFont,string,Vector2,Color,float,Vector2,float,SpriteEffects,float)"/>
         public void DrawString(SpriteBatch batch, string text, Vector2 position, Color color, float rotation, Vector2 origin, float scale, SpriteEffects effects, float layerDepth) {
@@ -82,14 +103,19 @@ namespace MLEM.Font {
 
         /// <summary>
         /// Measures the width of the given string when drawn with this font's underlying font.
-        /// This method uses <see cref="MeasureChar"/> internally to calculate the size of known characters and calculates additional characters like <see cref="Nbsp"/>, <see cref="Zwsp"/> and <see cref="OneEmSpace"/>.
+        /// This method uses <see cref="MeasureChar"/> internally to calculate the size of known characters and calculates additional characters like <see cref="Nbsp"/>, <see cref="Zwsp"/> and <see cref="Emsp"/>.
         /// If the text contains newline characters (\n), the size returned will represent a rectangle that encompasses the width of the longest line and the string's full height.
         /// </summary>
         /// <param name="text">The text whose size to calculate</param>
         /// <param name="ignoreTrailingSpaces">Whether trailing whitespace should be ignored in the returned size, causing the end of each line to be effectively trimmed</param>
         /// <returns>The size of the string when drawn with this font</returns>
         public Vector2 MeasureString(string text, bool ignoreTrailingSpaces = false) {
-            return this.MeasureString(text, ignoreTrailingSpaces, null);
+            return this.MeasureString(new CharSource(text), ignoreTrailingSpaces, null);
+        }
+
+        /// <inheritdoc cref="MeasureString(string,bool)"/>
+        public Vector2 MeasureString(StringBuilder text, bool ignoreTrailingSpaces = false) {
+            return this.MeasureString(new CharSource(text), ignoreTrailingSpaces, null);
         }
 
         /// <summary>
@@ -103,7 +129,12 @@ namespace MLEM.Font {
         /// <param name="ellipsis">The characters to add to the end of the string if it is too long</param>
         /// <returns>The truncated string, or the same string if it is shorter than the maximum width</returns>
         public string TruncateString(string text, float width, float scale, bool fromBack = false, string ellipsis = "") {
-            return this.TruncateString(text, width, scale, fromBack, ellipsis, null);
+            return this.TruncateString(new CharSource(text), width, scale, fromBack, ellipsis, null).ToString();
+        }
+
+        /// <inheritdoc cref="TruncateString(string,float,float,bool,string)"/>
+        public StringBuilder TruncateString(StringBuilder text, float width, float scale, bool fromBack = false, string ellipsis = "") {
+            return this.TruncateString(new CharSource(text), width, scale, fromBack, ellipsis, null);
         }
 
         /// <summary>
@@ -119,20 +150,30 @@ namespace MLEM.Font {
             return string.Join("\n", this.SplitStringSeparate(text, width, scale));
         }
 
+        /// <inheritdoc cref="SplitString(string,float,float)"/>
+        public string SplitString(StringBuilder text, float width, float scale) {
+            return string.Join("\n", this.SplitStringSeparate(text, width, scale));
+        }
+
         /// <summary>
         /// Splits a string to a given maximum width and returns each split section as a separate string.
         /// Note that existing new lines are taken into account for line length, but not split in the resulting strings.
-        /// This method differs from <see cref="SplitString"/> in that it differentiates between pre-existing newline characters and splits due to maximum width.
+        /// This method differs from <see cref="SplitString(string,float,float)"/> in that it differentiates between pre-existing newline characters and splits due to maximum width.
         /// </summary>
         /// <param name="text">The text to split into multiple lines</param>
         /// <param name="width">The maximum width that each line should have</param>
         /// <param name="scale">The scale to use for width measurements</param>
         /// <returns>The split string as an enumerable of split sections</returns>
         public IEnumerable<string> SplitStringSeparate(string text, float width, float scale) {
-            return this.SplitStringSeparate(text, width, scale, null);
+            return this.SplitStringSeparate(new CharSource(text), width, scale, null);
         }
 
-        internal Vector2 MeasureString(string text, bool ignoreTrailingSpaces, Func<int, GenericFont> fontFunction) {
+        /// <inheritdoc cref="SplitStringSeparate(string,float,float)"/>
+        public IEnumerable<string> SplitStringSeparate(StringBuilder text, float width, float scale) {
+            return this.SplitStringSeparate(new CharSource(text), width, scale, null);
+        }
+
+        internal Vector2 MeasureString(CharSource text, bool ignoreTrailingSpaces, Func<int, GenericFont> fontFunction) {
             var size = Vector2.Zero;
             if (text.Length <= 0)
                 return size;
@@ -144,7 +185,7 @@ namespace MLEM.Font {
                         xOffset = 0;
                         size.Y += this.LineHeight;
                         break;
-                    case OneEmSpace:
+                    case Emsp:
                         xOffset += this.LineHeight;
                         break;
                     case Nbsp:
@@ -174,7 +215,7 @@ namespace MLEM.Font {
             return size;
         }
 
-        internal string TruncateString(string text, float width, float scale, bool fromBack, string ellipsis, Func<int, GenericFont> fontFunction) {
+        internal StringBuilder TruncateString(CharSource text, float width, float scale, bool fromBack, string ellipsis, Func<int, GenericFont> fontFunction) {
             var total = new StringBuilder();
             for (var i = 0; i < text.Length; i++) {
                 if (fromBack) {
@@ -186,16 +227,16 @@ namespace MLEM.Font {
                 var font = fontFunction?.Invoke(i) ?? this;
                 if (font.MeasureString(total + ellipsis).X * scale >= width) {
                     if (fromBack) {
-                        return total.Remove(0, 1).Insert(0, ellipsis).ToString();
+                        return total.Remove(0, 1).Insert(0, ellipsis);
                     } else {
-                        return total.Remove(total.Length - 1, 1).Append(ellipsis).ToString();
+                        return total.Remove(total.Length - 1, 1).Append(ellipsis);
                     }
                 }
             }
-            return total.ToString();
+            return total;
         }
 
-        internal IEnumerable<string> SplitStringSeparate(string text, float width, float scale, Func<int, GenericFont> fontFunction) {
+        internal IEnumerable<string> SplitStringSeparate(CharSource text, float width, float scale, Func<int, GenericFont> fontFunction) {
             var currWidth = 0F;
             var lastSpaceIndex = -1;
             var widthSinceLastSpace = 0F;
@@ -211,7 +252,7 @@ namespace MLEM.Font {
                 } else {
                     var font = fontFunction?.Invoke(i) ?? this;
                     var cWidth = font.MeasureString(c.ToCachedString()).X * scale;
-                    if (c == ' ' || c == OneEmSpace || c == Zwsp) {
+                    if (c == ' ' || c == Emsp || c == Zwsp) {
                         // remember the location of this (breaking!) space
                         lastSpaceIndex = curr.Length;
                         widthSinceLastSpace = 0;
@@ -243,7 +284,64 @@ namespace MLEM.Font {
                 yield return curr.ToString();
         }
 
-        private static bool IsTrailingSpace(string s, int index) {
+        private void DrawString(SpriteBatch batch, CharSource text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth) {
+            var (flipX, flipY) = Vector2.Zero;
+            var flippedV = (effects & SpriteEffects.FlipVertically) != 0;
+            var flippedH = (effects & SpriteEffects.FlipHorizontally) != 0;
+            if (flippedV || flippedH) {
+                var (w, h) = this.MeasureString(text, false, null);
+                if (flippedH) {
+                    origin.X *= -1;
+                    flipX = -w;
+                }
+                if (flippedV) {
+                    origin.Y *= -1;
+                    flipY = this.LineHeight - h;
+                }
+            }
+
+            var trans = Matrix.Identity;
+            if (rotation == 0) {
+                trans.M11 = flippedH ? -scale.X : scale.X;
+                trans.M22 = flippedV ? -scale.Y : scale.Y;
+                trans.M41 = (flipX - origin.X) * trans.M11 + position.X;
+                trans.M42 = (flipY - origin.Y) * trans.M22 + position.Y;
+            } else {
+                var sin = (float) Math.Sin(rotation);
+                var cos = (float) Math.Cos(rotation);
+                trans.M11 = (flippedH ? -scale.X : scale.X) * cos;
+                trans.M12 = (flippedH ? -scale.X : scale.X) * sin;
+                trans.M21 = (flippedV ? -scale.Y : scale.Y) * -sin;
+                trans.M22 = (flippedV ? -scale.Y : scale.Y) * cos;
+                trans.M41 = (flipX - origin.X) * trans.M11 + (flipY - origin.Y) * trans.M21 + position.X;
+                trans.M42 = (flipX - origin.X) * trans.M12 + (flipY - origin.Y) * trans.M22 + position.Y;
+            }
+
+            var offset = Vector2.Zero;
+            for (var i = 0; i < text.Length; i++) {
+                var c = text[i];
+                if (c == '\n') {
+                    offset.X = 0;
+                    offset.Y += this.LineHeight;
+                    continue;
+                }
+
+                var cString = c.ToCachedString();
+                var (cW, cH) = this.MeasureString(cString);
+
+                var charPos = offset;
+                if (flippedH)
+                    charPos.X += cW;
+                if (flippedV)
+                    charPos.Y += cH - this.LineHeight;
+                Vector2.Transform(ref charPos, ref trans, out charPos);
+
+                this.DrawChar(batch, cString, charPos, color, rotation, scale, effects, layerDepth);
+                offset.X += cW;
+            }
+        }
+
+        private static bool IsTrailingSpace(CharSource s, int index) {
             for (var i = index + 1; i < s.Length; i++) {
                 if (s[i] != ' ')
                     return false;
@@ -251,5 +349,25 @@ namespace MLEM.Font {
             return true;
         }
 
+        internal readonly struct CharSource {
+
+            private readonly string strg;
+            private readonly StringBuilder builder;
+
+            public int Length => this.strg?.Length ?? this.builder.Length;
+            public char this[int index] => this.strg?[index] ?? this.builder[index];
+
+            public CharSource(string strg) {
+                this.strg = strg;
+                this.builder = null;
+            }
+
+            public CharSource(StringBuilder builder) {
+                this.strg = null;
+                this.builder = builder;
+            }
+
+        }
+
     }
 }

MLEM/Font/GenericSpriteFont.cs

@@ -1,5 +1,4 @@
 using System.Linq;
-using System.Text;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
 using MLEM.Extensions;
@@ -37,14 +36,9 @@ namespace MLEM.Font {
             return this.Font.MeasureString(c.ToCachedString()).X;
         }
 
-        /// <inheritdoc/>
+        /// <inheritdoc />
-        public override void DrawString(SpriteBatch batch, string text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth) {
+        protected override void DrawChar(SpriteBatch batch, string cString, Vector2 position, Color color, float rotation, Vector2 scale, SpriteEffects effects, float layerDepth) {
-            batch.DrawString(this.Font, text, position, color, rotation, origin, scale, effects, layerDepth);
+            batch.DrawString(this.Font, cString, position, color, rotation, Vector2.Zero, scale, effects, layerDepth);
-        }
-
-        /// <inheritdoc/>
-        public override void DrawString(SpriteBatch batch, StringBuilder text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth) {
-            batch.DrawString(this.Font, text, position, color, rotation, origin, scale, effects, layerDepth);
         }
 
         private static SpriteFont SetDefaults(SpriteFont font) {

MLEM/Formatting/Codes/AnimatedCode.cs

@@ -5,8 +5,7 @@ namespace MLEM.Formatting.Codes {
     public class AnimatedCode : Code {
 
         /// <inheritdoc />
-        public AnimatedCode(Match match, Regex regex) : base(match, regex) {
+        public AnimatedCode(Match match, Regex regex) : base(match, regex) {}
-        }
 
         /// <inheritdoc />
         public override bool EndsHere(Code other) {

MLEM/Formatting/Codes/Code.cs

@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using System.Text.RegularExpressions;
 using Microsoft.Xna.Framework;
 using Microsoft.Xna.Framework.Graphics;
@@ -20,9 +21,10 @@ namespace MLEM.Formatting.Codes {
         /// </summary>
         public readonly Match Match;
         /// <summary>
-        /// The token that this formatting code is a part of
+        /// The tokens that this formatting code is a part of.
+        /// Note that this array only has multiple entries if additional tokens have to be started while this code is still applied.
         /// </summary>
-        public Token Token { get; internal set; }
+        public IList<Token> Tokens { get; internal set; }
 
         /// <summary>
         /// Creates a new formatting code based on a formatting code regex and its match.
@@ -58,8 +60,7 @@ namespace MLEM.Formatting.Codes {
         /// Update this formatting code's animations etc.
         /// </summary>
         /// <param name="time">The game's time</param>
-        public virtual void Update(GameTime time) {
+        public virtual void Update(GameTime time) {}
-        }
 
         /// <summary>
         /// Returns the string that this formatting code should be replaced with.
@@ -72,13 +73,12 @@ namespace MLEM.Formatting.Codes {
         }
 
         /// <inheritdoc cref="Formatting.Token.DrawCharacter"/>
-        public virtual bool DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, int indexInToken, ref Vector2 pos, GenericFont font, ref Color color, ref float scale, float depth) {
+        public virtual bool DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, Token token, int indexInToken, ref Vector2 pos, GenericFont font, ref Color color, ref float scale, float depth) {
             return false;
         }
 
         /// <inheritdoc cref="Formatting.Token.DrawSelf"/>
-        public virtual void DrawSelf(GameTime time, SpriteBatch batch, Vector2 pos, GenericFont font, Color color, float scale, float depth) {
+        public virtual void DrawSelf(GameTime time, SpriteBatch batch, Token token, Vector2 pos, GenericFont font, Color color, float scale, float depth) {}
-        }
 
         /// <summary>
         /// Creates a new formatting code from the given regex and regex match.

MLEM/Formatting/Codes/ImageCode.cs

@@ -27,7 +27,7 @@ namespace MLEM.Formatting.Codes {
 
         /// <inheritdoc />
         public override string GetReplacementString(GenericFont font) {
-            return GenericFont.OneEmSpace.ToCachedString();
+            return GenericFont.Emsp.ToCachedString();
         }
 
         /// <inheritdoc />
@@ -36,7 +36,7 @@ namespace MLEM.Formatting.Codes {
         }
 
         /// <inheritdoc />
-        public override void DrawSelf(GameTime time, SpriteBatch batch, Vector2 pos, GenericFont font, Color color, float scale, float depth) {
+        public override void DrawSelf(GameTime time, SpriteBatch batch, Token token, Vector2 pos, GenericFont font, Color color, float scale, float depth) {
             var actualColor = this.copyTextColor ? color : Color.White.CopyAlpha(color);
             batch.Draw(this.image.CurrentRegion, new RectangleF(pos, new Vector2(font.LineHeight * scale)), actualColor);
         }

MLEM/Formatting/Codes/LinkCode.cs

@@ -9,10 +9,12 @@ namespace MLEM.Formatting.Codes {
     public class LinkCode : UnderlineCode {
 
         private readonly Func<Token, bool> isSelected;
+        private readonly Color? color;
 
         /// <inheritdoc />
-        public LinkCode(Match match, Regex regex, float thickness, float yOffset, Func<Token, bool> isSelected) : base(match, regex, thickness, yOffset) {
+        public LinkCode(Match match, Regex regex, float thickness, float yOffset, Func<Token, bool> isSelected, Color? color = null) : base(match, regex, thickness, yOffset) {
             this.isSelected = isSelected;
+            this.color = color;
         }
 
         /// <summary>
@@ -20,13 +22,22 @@ namespace MLEM.Formatting.Codes {
         /// </summary>
         /// <returns>True if this code is currently selected</returns>
         public virtual bool IsSelected() {
-            return this.isSelected(this.Token);
+            foreach (var token in this.Tokens) {
+                if (this.isSelected(token))
+                    return true;
+            }
+            return false;
         }
 
         /// <inheritdoc />
-        public override bool DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, int indexInToken, ref Vector2 pos, GenericFont font, ref Color color, ref float scale, float depth) {
+        public override Color? GetColor(Color defaultPick) {
+            return this.color;
+        }
+
+        /// <inheritdoc />
+        public override bool DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, Token token, int indexInToken, ref Vector2 pos, GenericFont font, ref Color color, ref float scale, float depth) {
             // since we inherit from UnderlineCode, we can just call base if selected
-            return this.IsSelected() && base.DrawCharacter(time, batch, c, cString, indexInToken, ref pos, font, ref color, ref scale, depth);
+            return this.IsSelected() && base.DrawCharacter(time, batch, c, cString, token, indexInToken, ref pos, font, ref color, ref scale, depth);
         }
 
     }

MLEM/Formatting/Codes/ResetFormattingCode.cs

@@ -5,8 +5,7 @@ namespace MLEM.Formatting.Codes {
     public class ResetFormattingCode : Code {
 
         /// <inheritdoc />
-        public ResetFormattingCode(Match match, Regex regex) : base(match, regex) {
+        public ResetFormattingCode(Match match, Regex regex) : base(match, regex) {}
-        }
 
         /// <inheritdoc />
         public override bool EndsHere(Code other) {

MLEM/Formatting/Codes/ShadowCode.cs

@@ -18,7 +18,7 @@ namespace MLEM.Formatting.Codes {
         }
 
         /// <inheritdoc />
-        public override bool DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, int indexInToken, ref Vector2 pos, GenericFont font, ref Color color, ref float scale, float depth) {
+        public override bool DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, Token token, int indexInToken, ref Vector2 pos, GenericFont font, ref Color color, ref float scale, float depth) {
             font.DrawString(batch, cString, pos + this.offset * scale, this.color.CopyAlpha(color), 0, Vector2.Zero, scale, SpriteEffects.None, depth);
             // we return false since we still want regular drawing to occur
             return false;

MLEM/Formatting/Codes/UnderlineCode.cs

@@ -19,9 +19,9 @@ namespace MLEM.Formatting.Codes {
         }
 
         /// <inheritdoc />
-        public override bool DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, int indexInToken, ref Vector2 pos, GenericFont font, ref Color color, ref float scale, float depth) {
+        public override bool DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, Token token, int indexInToken, ref Vector2 pos, GenericFont font, ref Color color, ref float scale, float depth) {
             // don't underline spaces at the end of lines
-            if (c == ' ' && this.Token.DisplayString.Length > indexInToken + 1 && this.Token.DisplayString[indexInToken + 1] == '\n')
+            if (c == ' ' && token.DisplayString.Length > indexInToken + 1 && token.DisplayString[indexInToken + 1] == '\n')
                 return false;
             var (w, h) = font.MeasureString(cString) * scale;
             var t = h * this.thickness;

MLEM/Formatting/Codes/WobblyCode.cs

@@ -28,8 +28,8 @@ namespace MLEM.Formatting.Codes {
         }
 
         /// <inheritdoc />
-        public override bool DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, int indexInToken, ref Vector2 pos, GenericFont font, ref Color color, ref float scale, float depth) {
+        public override bool DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, Token token, int indexInToken, ref Vector2 pos, GenericFont font, ref Color color, ref float scale, float depth) {
-            var offset = new Vector2(0, (float) Math.Sin(this.Token.Index + indexInToken + this.TimeIntoAnimation.TotalSeconds * this.modifier) * font.LineHeight * this.heightModifier * scale);
+            var offset = new Vector2(0, (float) Math.Sin(token.Index + indexInToken + this.TimeIntoAnimation.TotalSeconds * this.modifier) * font.LineHeight * this.heightModifier * scale);
             pos += offset;
             // we return false since we still want regular drawing to occur, we just changed the position
             return false;

MLEM/Formatting/Token.cs

@@ -50,9 +50,6 @@ namespace MLEM.Formatting {
             this.RawIndex = rawIndex;
             this.Substring = substring;
             this.RawSubstring = rawSubstring;
-
-            foreach (var code in appliedCodes)
-                code.Token = this;
         }
 
         /// <summary>
@@ -96,7 +93,7 @@ namespace MLEM.Formatting {
         /// <param name="depth">The depth to draw at</param>
         public void DrawSelf(GameTime time, SpriteBatch batch, Vector2 pos, GenericFont font, Color color, float scale, float depth) {
             foreach (var code in this.AppliedCodes)
-                code.DrawSelf(time, batch, pos, font, color, scale, depth);
+                code.DrawSelf(time, batch, this, pos, font, color, scale, depth);
         }
 
         /// <summary>
@@ -114,7 +111,7 @@ namespace MLEM.Formatting {
         /// <param name="depth">The depth to draw at</param>
         public void DrawCharacter(GameTime time, SpriteBatch batch, char c, string cString, int indexInToken, Vector2 pos, GenericFont font, Color color, float scale, float depth) {
             foreach (var code in this.AppliedCodes) {
-                if (code.DrawCharacter(time, batch, c, cString, indexInToken, ref pos, font, ref color, ref scale, depth))
+                if (code.DrawCharacter(time, batch, c, cString, this, indexInToken, ref pos, font, ref color, ref scale, depth))
                     return;
             }
 

MLEM/Formatting/TokenizedString.cs

@@ -1,4 +1,5 @@
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text;
 using Microsoft.Xna.Framework;
@@ -7,6 +8,7 @@ using MLEM.Extensions;
 using MLEM.Font;
 using MLEM.Formatting.Codes;
 using MLEM.Misc;
+using static MLEM.Font.GenericFont;
 
 namespace MLEM.Formatting {
     /// <summary>
@@ -43,15 +45,19 @@ namespace MLEM.Formatting {
             this.RawString = rawString;
             this.String = strg;
             this.Tokens = tokens;
+
             // since a code can be present in multiple tokens, we use Distinct here
             this.AllCodes = tokens.SelectMany(t => t.AppliedCodes).Distinct().ToArray();
+            // TODO this can probably be optimized by keeping track of a code's tokens while tokenizing
+            foreach (var code in this.AllCodes)
+                code.Tokens = new ReadOnlyCollection<Token>(this.Tokens.Where(t => t.AppliedCodes.Contains(code)).ToList());
+
             this.RecalculateTokenData(font, alignment);
         }
 
         /// <summary>
         /// Splits this tokenized string, inserting newline characters if the width of the string is bigger than the maximum width.
         /// Note that a tokenized string can be re-split without losing any of its actual data, as this operation merely modifies the <see cref="DisplayString"/>.
-        /// <seealso cref="GenericFont.SplitString"/>
         /// </summary>
         /// <param name="font">The font to use for width calculations</param>
         /// <param name="width">The maximum width, in display pixels based on the font and scale</param>
@@ -59,7 +65,7 @@ namespace MLEM.Formatting {
         /// <param name="alignment">The text alignment that should be used for width calculations</param>
         public void Split(GenericFont font, float width, float scale, TextAlignment alignment = TextAlignment.Left) {
             // a split string has the same character count as the input string but with newline characters added
-            this.modifiedString = string.Join("\n", font.SplitStringSeparate(this.String, width, scale, i => this.GetFontForIndex(font, i)));
+            this.modifiedString = string.Join("\n", font.SplitStringSeparate(new CharSource(this.String), width, scale, i => this.GetFontForIndex(font, i)));
             this.StoreModifiedSubstrings(font, alignment);
         }
 
@@ -74,13 +80,13 @@ namespace MLEM.Formatting {
         /// <param name="ellipsis">The characters to add to the end of the string if it is too long</param>
         /// <param name="alignment">The text alignment that should be used for width calculations</param>
         public void Truncate(GenericFont font, float width, float scale, string ellipsis = "", TextAlignment alignment = TextAlignment.Left) {
-            this.modifiedString = font.TruncateString(this.String, width, scale, false, ellipsis, i => this.GetFontForIndex(font, i));
+            this.modifiedString = font.TruncateString(new CharSource(this.String), width, scale, false, ellipsis, i => this.GetFontForIndex(font, i)).ToString();
             this.StoreModifiedSubstrings(font, alignment);
         }
 
         /// <inheritdoc cref="GenericFont.MeasureString(string,bool)"/>
         public Vector2 Measure(GenericFont font) {
-            return font.MeasureString(this.DisplayString, false, i => this.GetFontForIndex(font, i));
+            return font.MeasureString(new CharSource(this.DisplayString), false, i => this.GetFontForIndex(font, i));
         }
 
         /// <summary>
@@ -117,17 +123,20 @@ namespace MLEM.Formatting {
                 var token = this.Tokens[t];
                 var drawFont = token.GetFont(font);
                 var drawColor = token.GetColor(color);
+                
+                var indexInToken = 0;
                 for (var l = 0; l < token.SplitDisplayString.Length; l++) {
-                    var line = token.SplitDisplayString[l];
+                    foreach (var c in token.SplitDisplayString[l]) {
-                    for (var i = 0; i < line.Length; i++) {
-                        var c = line[i];
-                        if (l == 0 && i == 0)
-                            token.DrawSelf(time, batch, pos + innerOffset, drawFont, color, scale, depth);
-
                         var cString = c.ToCachedString();
-                        token.DrawCharacter(time, batch, c, cString, i, pos + innerOffset, drawFont, drawColor, scale, depth);
+                       
+                        if (indexInToken == 0)
+                            token.DrawSelf(time, batch, pos + innerOffset, drawFont, color, scale, depth);
+                        token.DrawCharacter(time, batch, c, cString, indexInToken, pos + innerOffset, drawFont, drawColor, scale, depth);
+
                         innerOffset.X += drawFont.MeasureString(cString).X * scale;
+                        indexInToken++;
                     }
+                    
                     // only split at a new line, not between tokens!
                     if (l < token.SplitDisplayString.Length - 1) {
                         innerOffset.X = token.InnerOffsets[l] * scale;

MLEM/Graphics/StaticSpriteBatch.cs

@@ -367,18 +367,38 @@ namespace MLEM.Graphics {
 
         private Item Add(Texture2D texture, Vector2 pos, Vector2 offset, Vector2 size, float sin, float cos, Color color, Vector2 texTl, Vector2 texBr, float depth) {
             return this.Add(texture, depth,
-                new VertexPositionColorTexture(new Vector3(pos.X + offset.X * cos - offset.Y * sin, pos.Y + offset.X * sin + offset.Y * cos, depth), color, texTl),
+                new VertexPositionColorTexture(new Vector3(
-                new VertexPositionColorTexture(new Vector3(pos.X + (offset.X + size.X) * cos - offset.Y * sin, pos.Y + (offset.X + size.X) + offset.Y * cos, depth), color, new Vector2(texBr.X, texTl.Y)),
+                        pos.X + offset.X * cos - offset.Y * sin,
-                new VertexPositionColorTexture(new Vector3(pos.X + offset.X * cos - (offset.Y + size.Y) * sin, pos.Y + offset.X * sin + (offset.Y + size.Y) * cos, depth), color, new Vector2(texTl.X, texBr.Y)),
+                        pos.Y + offset.X * sin + offset.Y * cos, depth),
-                new VertexPositionColorTexture(new Vector3(pos.X + (offset.X + size.X) * cos - (offset.Y + size.Y) * sin, pos.Y + (offset.X + size.X) * sin + (offset.Y + size.Y) * cos, depth), color, texBr));
+                    color, texTl),
+                new VertexPositionColorTexture(new Vector3(
+                        pos.X + (offset.X + size.X) * cos - offset.Y * sin,
+                        pos.Y + (offset.X + size.X) * sin + offset.Y * cos, depth),
+                    color, new Vector2(texBr.X, texTl.Y)),
+                new VertexPositionColorTexture(new Vector3(
+                        pos.X + offset.X * cos - (offset.Y + size.Y) * sin,
+                        pos.Y + offset.X * sin + (offset.Y + size.Y) * cos, depth),
+                    color, new Vector2(texTl.X, texBr.Y)),
+                new VertexPositionColorTexture(new Vector3(
+                        pos.X + (offset.X + size.X) * cos - (offset.Y + size.Y) * sin,
+                        pos.Y + (offset.X + size.X) * sin + (offset.Y + size.Y) * cos, depth),
+                    color, texBr));
         }
 
         private Item Add(Texture2D texture, Vector2 pos, Vector2 size, Color color, Vector2 texTl, Vector2 texBr, float depth) {
             return this.Add(texture, depth,
-                new VertexPositionColorTexture(new Vector3(pos, depth), color, texTl),
+                new VertexPositionColorTexture(
-                new VertexPositionColorTexture(new Vector3(pos.X + size.X, pos.Y, depth), color, new Vector2(texBr.X, texTl.Y)),
+                    new Vector3(pos, depth),
-                new VertexPositionColorTexture(new Vector3(pos.X, pos.Y + size.Y, depth), color, new Vector2(texTl.X, texBr.Y)),
+                    color, texTl),
-                new VertexPositionColorTexture(new Vector3(pos.X + size.X, pos.Y + size.Y, depth), color, texBr));
+                new VertexPositionColorTexture(
+                    new Vector3(pos.X + size.X, pos.Y, depth),
+                    color, new Vector2(texBr.X, texTl.Y)),
+                new VertexPositionColorTexture(
+                    new Vector3(pos.X, pos.Y + size.Y, depth),
+                    color, new Vector2(texTl.X, texBr.Y)),
+                new VertexPositionColorTexture(
+                    new Vector3(pos.X + size.X, pos.Y + size.Y, depth),
+                    color, texBr));
         }
 
         private Item Add(Texture2D texture, float depth, VertexPositionColorTexture tl, VertexPositionColorTexture tr, VertexPositionColorTexture bl, VertexPositionColorTexture br) {

MLEM/Input/GamepadExtensions.cs

@@ -0,0 +1,45 @@
+using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Input;
+
+namespace MLEM.Input {
+    /// <summary>
+    /// A set of extension methods for dealing with <see cref="GamePad"/>, <see cref="GamePadState"/> and <see cref="Buttons"/>.
+    /// </summary>
+    public static class GamepadExtensions {
+
+        /// <summary>
+        /// Returns the given <see cref="Buttons"/>'s value as an analog value between 0 and 1, where 1 is fully down and 0 is not down at all.
+        /// For non-analog buttons, like <see cref="Buttons.X"/> or <see cref="Buttons.Start"/>, only 0 and 1 will be returned and no inbetween values are possible.
+        /// </summary>
+        /// <param name="state">The gamepad state to query.</param>
+        /// <param name="button">The button to query.</param>
+        /// <returns>The button's state as an analog value.</returns>
+        public static float GetAnalogValue(this GamePadState state, Buttons button) {
+            switch (button) {
+                case Buttons.LeftThumbstickDown:
+                    return -MathHelper.Clamp(state.ThumbSticks.Left.Y, -1, 0);
+                case Buttons.LeftThumbstickUp:
+                    return MathHelper.Clamp(state.ThumbSticks.Left.Y, 0, 1);
+                case Buttons.LeftThumbstickLeft:
+                    return -MathHelper.Clamp(state.ThumbSticks.Left.X, -1, 0);
+                case Buttons.LeftThumbstickRight:
+                    return MathHelper.Clamp(state.ThumbSticks.Left.X, 0, 1);
+                case Buttons.RightTrigger:
+                    return state.Triggers.Right;
+                case Buttons.LeftTrigger:
+                    return state.Triggers.Left;
+                case Buttons.RightThumbstickDown:
+                    return -MathHelper.Clamp(state.ThumbSticks.Right.Y, -1, 0);
+                case Buttons.RightThumbstickUp:
+                    return MathHelper.Clamp(state.ThumbSticks.Right.Y, 0, 1);
+                case Buttons.RightThumbstickLeft:
+                    return -MathHelper.Clamp(state.ThumbSticks.Right.X, -1, 0);
+                case Buttons.RightThumbstickRight:
+                    return MathHelper.Clamp(state.ThumbSticks.Right.X, 0, 1);
+                default:
+                    return state.IsButtonDown(button) ? 1 : 0;
+            }
+        }
+
+    }
+}

MLEM/Input/GenericInput.cs

@@ -6,7 +6,7 @@ namespace MLEM.Input {
     /// <summary>
     /// A generic input represents any kind of input key.
     /// This includes <see cref="Keys"/> for keyboard keys, <see cref="MouseButton"/> for mouse buttons and <see cref="Buttons"/> for gamepad buttons.
-    /// For creating and extracting inputs from a generic input, the implicit operators and <see cref="Type"/> can be used.
+    /// For creating and extracting inputs from a generic input, the implicit operators and <see cref="Type"/> can additionally be used.
     /// Note that this type is serializable using <see cref="DataContractAttribute"/>.
     /// </summary>
     [DataContract]
@@ -20,6 +20,46 @@ namespace MLEM.Input {
         [DataMember]
         private readonly int value;
 
+        /// <summary>
+        /// Returns this generic input's <see cref="Keys"/>.
+        /// </summary>
+        /// <exception cref="InvalidOperationException">If this generic input's <see cref="Type"/> is not <see cref="InputType.Keyboard"/> or <see cref="InputType.None"/>.</exception>
+        public Keys Key {
+            get {
+                if (this.Type == InputType.None)
+                    return Keys.None;
+                return this.Type == InputType.Keyboard ? (Keys) this.value : throw new InvalidOperationException();
+            }
+        }
+        /// <summary>
+        /// Returns this generic input's <see cref="MouseButton"/>.
+        /// </summary>
+        /// <exception cref="InvalidOperationException">If this generic input's <see cref="Type"/> is not <see cref="InputType.Mouse"/>.</exception>
+        public MouseButton MouseButton => this.Type == InputType.Mouse ? (MouseButton) this.value : throw new InvalidOperationException();
+        /// <summary>
+        /// Returns this generic input's <see cref="Buttons"/>.
+        /// </summary>
+        /// <exception cref="InvalidOperationException">If this generic input's <see cref="Type"/> is not <see cref="InputType.Gamepad"/>.</exception>
+        public Buttons Button => this.Type == InputType.Gamepad ? (Buttons) this.value : throw new InvalidOperationException();
+
+        /// <summary>
+        /// Creates a new generic input from the given keyboard <see cref="Keys"/>.
+        /// </summary>
+        /// <param name="key">The key to convert.</param>
+        public GenericInput(Keys key) : this(InputType.Keyboard, (int) key) {}
+
+        /// <summary>
+        /// Creates a new generic input from the given <see cref="MouseButton"/>.
+        /// </summary>
+        /// <param name="button">The button to convert.</param>
+        public GenericInput(MouseButton button) : this(InputType.Mouse, (int) button) {}
+
+        /// <summary>
+        /// Creates a new generic input from the given gamepad <see cref="Buttons"/>.
+        /// </summary>
+        /// <param name="button">The button to convert.</param>
+        public GenericInput(Buttons button) : this(InputType.Gamepad, (int) button) {}
+
         private GenericInput(InputType type, int value) {
             this.Type = type;
             this.value = value;
@@ -83,10 +123,10 @@ namespace MLEM.Input {
         /// <summary>
         /// Converts a <see cref="Keys"/> to a generic input.
         /// </summary>
-        /// <param name="keys">The keys to convert</param>
+        /// <param name="key">The keys to convert</param>
         /// <returns>The resulting generic input</returns>
-        public static implicit operator GenericInput(Keys keys) {
+        public static implicit operator GenericInput(Keys key) {
-            return new GenericInput(InputType.Keyboard, (int) keys);
+            return new GenericInput(key);
         }
 
         /// <summary>
@@ -95,16 +135,16 @@ namespace MLEM.Input {
         /// <param name="button">The button to convert</param>
         /// <returns>The resulting generic input</returns>
         public static implicit operator GenericInput(MouseButton button) {
-            return new GenericInput(InputType.Mouse, (int) button);
+            return new GenericInput(button);
         }
 
         /// <summary>
         /// Converts a <see cref="Buttons"/> to a generic input.
         /// </summary>
-        /// <param name="buttons">The buttons to convert</param>
+        /// <param name="button">The buttons to convert</param>
         /// <returns>The resulting generic input</returns>
-        public static implicit operator GenericInput(Buttons buttons) {
+        public static implicit operator GenericInput(Buttons button) {
-            return new GenericInput(InputType.Gamepad, (int) buttons);
+            return new GenericInput(button);
         }
 
         /// <summary>
@@ -112,11 +152,9 @@ namespace MLEM.Input {
         /// </summary>
         /// <param name="input">The input to convert</param>
         /// <returns>The resulting keys</returns>
-        /// <exception cref="ArgumentException">If the given generic input's <see cref="Type"/> is not <see cref="InputType.Keyboard"/> or <see cref="InputType.None"/></exception>
+        /// <exception cref="InvalidOperationException">If the given generic input's <see cref="Type"/> is not <see cref="InputType.Keyboard"/> or <see cref="InputType.None"/></exception>
         public static implicit operator Keys(GenericInput input) {
-            if (input.Type == InputType.None)
+            return input.Key;
-                return Keys.None;
-            return input.Type == InputType.Keyboard ? (Keys) input.value : throw new ArgumentException();
         }
 
         /// <summary>
@@ -124,9 +162,9 @@ namespace MLEM.Input {
         /// </summary>
         /// <param name="input">The input to convert</param>
         /// <returns>The resulting button</returns>
-        /// <exception cref="ArgumentException">If the given generic input's <see cref="Type"/> is not <see cref="InputType.Mouse"/></exception>
+        /// <exception cref="InvalidOperationException">If the given generic input's <see cref="Type"/> is not <see cref="InputType.Mouse"/></exception>
         public static implicit operator MouseButton(GenericInput input) {
-            return input.Type == InputType.Mouse ? (MouseButton) input.value : throw new ArgumentException();
+            return input.MouseButton;
         }
 
         /// <summary>
@@ -134,9 +172,9 @@ namespace MLEM.Input {
         /// </summary>
         /// <param name="input">The input to convert</param>
         /// <returns>The resulting buttons</returns>
-        /// <exception cref="ArgumentException">If the given generic input's <see cref="Type"/> is not <see cref="InputType.Gamepad"/></exception>
+        /// <exception cref="InvalidOperationException">If the given generic input's <see cref="Type"/> is not <see cref="InputType.Gamepad"/></exception>
         public static implicit operator Buttons(GenericInput input) {
-            return input.Type == InputType.Gamepad ? (Buttons) input.value : throw new ArgumentException();
+            return input.Button;
         }
 
         /// <summary>

MLEM/Input/InputHandler.cs

@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.Collections.ObjectModel;
 using System.Linq;
 using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Graphics;
 using Microsoft.Xna.Framework.Input;
 using Microsoft.Xna.Framework.Input.Touch;
 using MLEM.Misc;
@@ -15,78 +16,27 @@ namespace MLEM.Input {
     public class InputHandler : GameComponent {
 
         /// <summary>
-        /// Contains the keyboard state from the last update call
+        /// Contains all of the gestures that have finished during the last update call.
+        /// To easily query these gestures, use <see cref="GetGesture"/> or <see cref="GetViewportGesture"/>.
         /// </summary>
-        public KeyboardState LastKeyboardState { get; private set; }
+        public readonly ReadOnlyCollection<GestureSample> Gestures;
-        /// <summary>
+
-        /// Contains the current keyboard state
-        /// </summary>
-        public KeyboardState KeyboardState { get; private set; }
         /// <summary>
         /// Set this field to false to disable keyboard handling for this input handler.
         /// </summary>
         public bool HandleKeyboard;
-
-        /// <summary>
-        /// Contains the mouse state from the last update call
-        /// </summary>
-        public MouseState LastMouseState { get; private set; }
-        /// <summary>
-        /// Contains the current mouse state
-        /// </summary>
-        public MouseState MouseState { get; private set; }
-        /// <summary>
-        /// Contains the current position of the mouse, extracted from <see cref="MouseState"/>
-        /// </summary>
-        public Point MousePosition => this.MouseState.Position;
-        /// <summary>
-        /// Contains the position of the mouse from the last update call, extracted from <see cref="LastMouseState"/>
-        /// </summary>
-        public Point LastMousePosition => this.LastMouseState.Position;
-        /// <summary>
-        /// Contains the current scroll wheel value, in increments of 120
-        /// </summary>
-        public int ScrollWheel => this.MouseState.ScrollWheelValue;
-        /// <summary>
-        /// Contains the scroll wheel value from the last update call, in increments of 120
-        /// </summary>
-        public int LastScrollWheel => this.LastMouseState.ScrollWheelValue;
         /// <summary>
         /// Set this field to false to disable mouse handling for this input handler.
         /// </summary>
         public bool HandleMouse;
-
-        private readonly GamePadState[] lastGamepads = new GamePadState[GamePad.MaximumGamePadCount];
-        private readonly GamePadState[] gamepads = new GamePadState[GamePad.MaximumGamePadCount];
-        /// <summary>
-        /// Contains the amount of gamepads that are currently connected.
-        /// This field is automatically updated in <see cref="Update()"/>
-        /// </summary>
-        public int ConnectedGamepads { get; private set; }
         /// <summary>
         /// Set this field to false to disable keyboard handling for this input handler.
         /// </summary>
         public bool HandleGamepads;
-
-        /// <summary>
-        /// Contains the touch state from the last update call
-        /// </summary>
-        public TouchCollection LastTouchState { get; private set; }
-        /// <summary>
-        /// Contains the current touch state
-        /// </summary>
-        public TouchCollection TouchState { get; private set; }
-        /// <summary>
-        /// Contains all of the gestures that have finished during the last update call.
-        /// To easily query these gestures, use <see cref="GetGesture"/>
-        /// </summary>
-        public readonly ReadOnlyCollection<GestureSample> Gestures;
-        private readonly List<GestureSample> gestures = new List<GestureSample>();
         /// <summary>
         /// Set this field to false to disable touch handling for this input handler.
         /// </summary>
         public bool HandleTouch;
-
         /// <summary>
         /// This is the amount of time that has to pass before the first keyboard repeat event is triggered.
         /// <seealso cref="KeyRepeatRate"/>
@@ -97,41 +47,106 @@ namespace MLEM.Input {
         /// <seealso cref="KeyRepeatDelay"/>
         /// </summary>
         public TimeSpan KeyRepeatRate = TimeSpan.FromSeconds(0.05);
-
         /// <summary>
         /// Set this field to false to disable keyboard repeat event handling.
         /// </summary>
         public bool HandleKeyboardRepeats = true;
-        private DateTime heldKeyStart;
-        private DateTime lastKeyRepeat;
-        private bool triggerKeyRepeat;
-        private Keys heldKey;
-
         /// <summary>
         /// Set this field to false to disable gamepad repeat event handling.
         /// </summary>
         public bool HandleGamepadRepeats = true;
-        private readonly DateTime[] heldGamepadButtonStarts = new DateTime[GamePad.MaximumGamePadCount];
+        /// <summary>
-        private readonly DateTime[] lastGamepadButtonRepeats = new DateTime[GamePad.MaximumGamePadCount];
+        /// This field represents the deadzone that gamepad <see cref="Buttons"/> have when input is queried for them using this input handler.
-        private readonly bool[] triggerGamepadButtonRepeat = new bool[GamePad.MaximumGamePadCount];
+        /// A deadzone is the percentage (between 0 and 1) that an analog value has to exceed for it to be considered down (<see cref="IsGamepadButtonDown"/>) or pressed (<see cref="IsGamepadButtonPressed"/>).
-        private readonly Buttons?[] heldGamepadButtons = new Buttons?[GamePad.MaximumGamePadCount];
+        /// Querying of analog values is done using <see cref="GamepadExtensions.GetAnalogValue"/>.
+        /// </summary>
+        public float GamepadButtonDeadzone;
 
         /// <summary>
         /// An array of all <see cref="Keys"/>, <see cref="Buttons"/> and <see cref="MouseButton"/> values that are currently down.
-        /// Note that this value only gets set if <see cref="StoreAllActiveInputs"/> is true.
+        /// Additionally, <see cref="TryGetDownTime"/> or <see cref="GetDownTime"/> can be used to determine the amount of time that a given input has been down for.
         /// </summary>
         public GenericInput[] InputsDown { get; private set; } = Array.Empty<GenericInput>();
         /// <summary>
         /// An array of all <see cref="Keys"/>, <see cref="Buttons"/> and <see cref="MouseButton"/> that are currently considered pressed.
         /// An input is considered pressed if it was up in the last update, and is up in the current one.
-        /// Note that this value only gets set if <see cref="StoreAllActiveInputs"/> is true.
         /// </summary>
         public GenericInput[] InputsPressed { get; private set; } = Array.Empty<GenericInput>();
-        private readonly List<GenericInput> inputsDownAccum = new List<GenericInput>();
         /// <summary>
-        /// Set this field to false to enable <see cref="InputsDown"/> and <see cref="InputsPressed"/> being calculated.
+        /// Contains the touch state from the last update call
         /// </summary>
-        public bool StoreAllActiveInputs;
+        public TouchCollection LastTouchState { get; private set; }
+        /// <summary>
+        /// Contains the current touch state
+        /// </summary>
+        public TouchCollection TouchState { get; private set; }
+        /// <summary>
+        /// Contains the <see cref="LastTouchState"/>, but with the <see cref="GraphicsDevice.Viewport"/> taken into account.
+        /// </summary>
+        public IList<TouchLocation> LastViewportTouchState { get; private set; }
+        /// <summary>
+        /// Contains the <see cref="TouchState"/>, but with the <see cref="GraphicsDevice.Viewport"/> taken into account.
+        /// </summary>
+        public IList<TouchLocation> ViewportTouchState { get; private set; }
+        /// <summary>
+        /// Contains the amount of gamepads that are currently connected.
+        /// This field is automatically updated in <see cref="Update()"/>
+        /// </summary>
+        public int ConnectedGamepads { get; private set; }
+        /// <summary>
+        /// Contains the mouse state from the last update call
+        /// </summary>
+        public MouseState LastMouseState { get; private set; }
+        /// <summary>
+        /// Contains the current mouse state
+        /// </summary>
+        public MouseState MouseState { get; private set; }
+        /// <summary>
+        /// Contains the position of the mouse from the last update call, extracted from <see cref="LastMouseState"/>
+        /// </summary>
+        public Point LastMousePosition => this.LastMouseState.Position;
+        /// <summary>
+        /// Contains the <see cref="LastMousePosition"/>, but with the <see cref="GraphicsDevice.Viewport"/> taken into account.
+        /// </summary>
+        public Point LastViewportMousePosition => this.LastMousePosition + this.ViewportOffset;
+        /// <summary>
+        /// Contains the current position of the mouse, extracted from <see cref="MouseState"/>
+        /// </summary>
+        public Point MousePosition => this.MouseState.Position;
+        /// <summary>
+        /// Contains the <see cref="MousePosition"/>, but with the <see cref="GraphicsDevice.Viewport"/> taken into account.
+        /// </summary>
+        public Point ViewportMousePosition => this.MousePosition + this.ViewportOffset;
+        /// <summary>
+        /// Contains the current scroll wheel value, in increments of 120
+        /// </summary>
+        public int ScrollWheel => this.MouseState.ScrollWheelValue;
+        /// <summary>
+        /// Contains the scroll wheel value from the last update call, in increments of 120
+        /// </summary>
+        public int LastScrollWheel => this.LastMouseState.ScrollWheelValue;
+        /// <summary>
+        /// Contains the keyboard state from the last update call
+        /// </summary>
+        public KeyboardState LastKeyboardState { get; private set; }
+        /// <summary>
+        /// Contains the current keyboard state
+        /// </summary>
+        public KeyboardState KeyboardState { get; private set; }
+
+        private readonly GamePadState[] lastGamepads = new GamePadState[GamePad.MaximumGamePadCount];
+        private readonly GamePadState[] gamepads = new GamePadState[GamePad.MaximumGamePadCount];
+        private readonly DateTime[] lastGamepadButtonRepeats = new DateTime[GamePad.MaximumGamePadCount];
+        private readonly bool[] triggerGamepadButtonRepeat = new bool[GamePad.MaximumGamePadCount];
+        private readonly Buttons?[] heldGamepadButtons = new Buttons?[GamePad.MaximumGamePadCount];
+        private readonly List<GestureSample> gestures = new List<GestureSample>();
+
+        private Point ViewportOffset => new Point(-this.Game.GraphicsDevice.Viewport.X, -this.Game.GraphicsDevice.Viewport.Y);
+        private Dictionary<(GenericInput, int), DateTime> inputsDownAccum = new Dictionary<(GenericInput, int), DateTime>();
+        private Dictionary<(GenericInput, int), DateTime> inputsDown = new Dictionary<(GenericInput, int), DateTime>();
+        private DateTime lastKeyRepeat;
+        private bool triggerKeyRepeat;
+        private Keys heldKey;
 
         /// <summary>
         /// Creates a new input handler with optional initial values.
@@ -141,13 +156,11 @@ namespace MLEM.Input {
         /// <param name="handleMouse">If mouse input should be handled</param>
         /// <param name="handleGamepads">If gamepad input should be handled</param>
         /// <param name="handleTouch">If touch input should be handled</param>
-        /// <param name="storeAllActiveInputs">Whether all inputs that are currently down and pressed should be calculated each update</param>
+        public InputHandler(Game game, bool handleKeyboard = true, bool handleMouse = true, bool handleGamepads = true, bool handleTouch = true) : base(game) {
-        public InputHandler(Game game, bool handleKeyboard = true, bool handleMouse = true, bool handleGamepads = true, bool handleTouch = true, bool storeAllActiveInputs = true) : base(game) {
             this.HandleKeyboard = handleKeyboard;
             this.HandleMouse = handleMouse;
             this.HandleGamepads = handleGamepads;
             this.HandleTouch = handleTouch;
-            this.StoreAllActiveInputs = storeAllActiveInputs;
             this.Gestures = this.gestures.AsReadOnly();
         }
 
@@ -156,42 +169,28 @@ namespace MLEM.Input {
         /// Call this in your <see cref="Game.Update"/> method.
         /// </summary>
         public void Update() {
+            var now = DateTime.UtcNow;
             var active = this.Game.IsActive;
             if (this.HandleKeyboard) {
                 this.LastKeyboardState = this.KeyboardState;
                 this.KeyboardState = active ? Keyboard.GetState() : default;
                 var pressedKeys = this.KeyboardState.GetPressedKeys();
-                if (this.StoreAllActiveInputs) {
+                foreach (var pressed in pressedKeys)
-                    foreach (var pressed in pressedKeys)
+                    this.AccumulateDown(pressed, -1);
-                        this.inputsDownAccum.Add(pressed);
-                }
 
                 if (this.HandleKeyboardRepeats) {
                     this.triggerKeyRepeat = false;
-                    if (this.heldKey == Keys.None) {
+                    // the key that started being held most recently should be the one being repeated
-                        // if we're not repeating a key, set the first key being held to the repeat key
+                    this.heldKey = pressedKeys.OrderBy(k => this.GetDownTime(k)).FirstOrDefault();
-                        // note that modifier keys don't count as that wouldn't really make sense
+                    if (this.TryGetDownTime(this.heldKey, out var heldTime)) {
-                        var key = pressedKeys.FirstOrDefault(k => !k.IsModifier());
+                        // if we've been holding the key longer than the initial delay...
-                        if (key != Keys.None) {
+                        if (heldTime >= this.KeyRepeatDelay) {
-                            this.heldKey = key;
+                            var diff = now - this.lastKeyRepeat;
-                            this.heldKeyStart = DateTime.UtcNow;
+                            // and we've been holding it for longer than a repeat...
-                        }
+                            if (diff >= this.KeyRepeatRate) {
-                    } else {
+                                this.lastKeyRepeat = now;
-                        // if the repeating key isn't being held anymore, reset
+                                // then trigger a repeat, causing IsKeyPressed to be true once
-                        if (!this.IsKeyDown(this.heldKey)) {
+                                this.triggerKeyRepeat = true;
-                            this.heldKey = Keys.None;
-                        } else {
-                            var now = DateTime.UtcNow;
-                            var holdTime = now - this.heldKeyStart;
-                            // if we've been holding the key longer than the initial delay...
-                            if (holdTime >= this.KeyRepeatDelay) {
-                                var diff = now - this.lastKeyRepeat;
-                                // and we've been holding it for longer than a repeat...
-                                if (diff >= this.KeyRepeatRate) {
-                                    this.lastKeyRepeat = now;
-                                    // then trigger a repeat, causing IsKeyPressed to be true once
-                                    this.triggerKeyRepeat = true;
-                                }
                             }
                         }
                     }
@@ -203,11 +202,9 @@ namespace MLEM.Input {
                 var state = Mouse.GetState();
                 if (active && this.Game.GraphicsDevice.Viewport.Bounds.Contains(state.Position)) {
                     this.MouseState = state;
-                    if (this.StoreAllActiveInputs) {
+                    foreach (var button in MouseExtensions.MouseButtons) {
-                        foreach (var button in MouseExtensions.MouseButtons) {
+                        if (state.GetState(button) == ButtonState.Pressed)
-                            if (state.GetState(button) == ButtonState.Pressed)
+                            this.AccumulateDown(button, -1);
-                                this.inputsDownAccum.Add(button);
-                        }
                     }
                 } else {
                     // mouse position and scroll wheel value should be preserved when the mouse is out of bounds
@@ -219,48 +216,33 @@ namespace MLEM.Input {
                 this.ConnectedGamepads = GamePad.MaximumGamePadCount;
                 for (var i = 0; i < GamePad.MaximumGamePadCount; i++) {
                     this.lastGamepads[i] = this.gamepads[i];
-                    var state = GamePadState.Default;
+                    this.gamepads[i] = GamePadState.Default;
                     if (GamePad.GetCapabilities(i).IsConnected) {
                         if (active) {
-                            state = GamePad.GetState(i);
+                            this.gamepads[i] = GamePad.GetState(i);
-                            if (this.StoreAllActiveInputs) {
+                            foreach (var button in EnumHelper.Buttons) {
-                                foreach (var button in EnumHelper.Buttons) {
+                                if (this.IsGamepadButtonDown(button, i))
-                                    if (state.IsButtonDown(button))
+                                    this.AccumulateDown(button, i);
-                                        this.inputsDownAccum.Add(button);
-                                }
                             }
                         }
-                    } else {
+                    } else if (this.ConnectedGamepads > i) {
-                        if (this.ConnectedGamepads > i)
+                        this.ConnectedGamepads = i;
-                            this.ConnectedGamepads = i;
                     }
-                    this.gamepads[i] = state;
                 }
 
                 if (this.HandleGamepadRepeats) {
                     for (var i = 0; i < this.ConnectedGamepads; i++) {
                         this.triggerGamepadButtonRepeat[i] = false;
-
+                        this.heldGamepadButtons[i] = EnumHelper.Buttons
-                        if (!this.heldGamepadButtons[i].HasValue) {
+                            .Where(b => this.IsGamepadButtonDown(b, i))
-                            foreach (var b in EnumHelper.Buttons) {
+                            .OrderBy(b => this.GetDownTime(b, i))
-                                if (this.IsGamepadButtonDown(b, i)) {
+                            .Cast<Buttons?>().FirstOrDefault();
-                                    this.heldGamepadButtons[i] = b;
+                        if (this.heldGamepadButtons[i].HasValue && this.TryGetDownTime(this.heldGamepadButtons[i].Value, out var heldTime, i)) {
-                                    this.heldGamepadButtonStarts[i] = DateTime.UtcNow;
+                            if (heldTime >= this.KeyRepeatDelay) {
-                                    break;
+                                var diff = now - this.lastGamepadButtonRepeats[i];
-                                }
+                                if (diff >= this.KeyRepeatRate) {
-                            }
+                                    this.lastGamepadButtonRepeats[i] = now;
-                        } else {
+                                    this.triggerGamepadButtonRepeat[i] = true;
-                            if (!this.IsGamepadButtonDown(this.heldGamepadButtons[i].Value, i)) {
-                                this.heldGamepadButtons[i] = null;
-                            } else {
-                                var now = DateTime.UtcNow;
-                                var holdTime = now - this.heldGamepadButtonStarts[i];
-                                if (holdTime >= this.KeyRepeatDelay) {
-                                    var diff = now - this.lastGamepadButtonRepeats[i];
-                                    if (diff >= this.KeyRepeatRate) {
-                                        this.lastGamepadButtonRepeats[i] = now;
-                                        this.triggerGamepadButtonRepeat[i] = true;
-                                    }
                                 }
                             }
                         }
@@ -270,22 +252,34 @@ namespace MLEM.Input {
 
             if (this.HandleTouch) {
                 this.LastTouchState = this.TouchState;
+                this.LastViewportTouchState = this.ViewportTouchState;
+
                 this.TouchState = active ? TouchPanel.GetState() : default;
+                if (this.TouchState.Count > 0 && this.ViewportOffset != Point.Zero) {
+                    this.ViewportTouchState = new List<TouchLocation>();
+                    foreach (var touch in this.TouchState) {
+                        touch.TryGetPreviousLocation(out var previous);
+                        this.ViewportTouchState.Add(new TouchLocation(touch.Id, touch.State, touch.Position + this.ViewportOffset.ToVector2(), previous.State, previous.Position + this.ViewportOffset.ToVector2()));
+                    }
+                } else {
+                    this.ViewportTouchState = this.TouchState;
+                }
 
                 this.gestures.Clear();
                 while (active && TouchPanel.IsGestureAvailable)
                     this.gestures.Add(TouchPanel.ReadGesture());
             }
 
-            if (this.StoreAllActiveInputs) {
+            if (this.inputsDownAccum.Count <= 0) {
-                if (this.inputsDownAccum.Count <= 0) {
+                this.InputsPressed = Array.Empty<GenericInput>();
-                    this.InputsPressed = Array.Empty<GenericInput>();
+                this.InputsDown = Array.Empty<GenericInput>();
-                    this.InputsDown = Array.Empty<GenericInput>();
+                this.inputsDown.Clear();
-                } else {
+            } else {
-                    this.InputsPressed = this.inputsDownAccum.Where(i => !this.InputsDown.Contains(i)).ToArray();
+                this.InputsPressed = this.inputsDownAccum.Keys.Where(kv => this.IsPressed(kv.Item1, kv.Item2)).Select(kv => kv.Item1).ToArray();
-                    this.InputsDown = this.inputsDownAccum.ToArray();
+                this.InputsDown = this.inputsDownAccum.Keys.Select(kv => kv.Item1).ToArray();
-                    this.inputsDownAccum.Clear();
+                // swapping these collections means that we don't have to keep moving entries between them
-                }
+                (this.inputsDown, this.inputsDownAccum) = (this.inputsDownAccum, this.inputsDown);
+                this.inputsDownAccum.Clear();
             }
         }
 
@@ -419,45 +413,49 @@ namespace MLEM.Input {
         /// <inheritdoc cref="GamePadState.IsButtonDown"/>
         public bool IsGamepadButtonDown(Buttons button, int index = -1) {
             if (index < 0) {
-                for (var i = 0; i < this.ConnectedGamepads; i++)
+                for (var i = 0; i < this.ConnectedGamepads; i++) {
-                    if (this.GetGamepadState(i).IsButtonDown(button))
+                    if (this.GetGamepadState(i).GetAnalogValue(button) > this.GamepadButtonDeadzone)
                         return true;
+                }
                 return false;
             }
-            return this.GetGamepadState(index).IsButtonDown(button);
+            return this.GetGamepadState(index).GetAnalogValue(button) > this.GamepadButtonDeadzone;
         }
 
         /// <inheritdoc cref="GamePadState.IsButtonUp"/>
         public bool IsGamepadButtonUp(Buttons button, int index = -1) {
             if (index < 0) {
-                for (var i = 0; i < this.ConnectedGamepads; i++)
+                for (var i = 0; i < this.ConnectedGamepads; i++) {
-                    if (this.GetGamepadState(i).IsButtonUp(button))
+                    if (this.GetGamepadState(i).GetAnalogValue(button) <= this.GamepadButtonDeadzone)
                         return true;
+                }
                 return false;
             }
-            return this.GetGamepadState(index).IsButtonUp(button);
+            return this.GetGamepadState(index).GetAnalogValue(button) <= this.GamepadButtonDeadzone;
         }
 
         /// <inheritdoc cref="GamePadState.IsButtonDown"/>
         public bool WasGamepadButtonDown(Buttons button, int index = -1) {
             if (index < 0) {
-                for (var i = 0; i < this.ConnectedGamepads; i++)
+                for (var i = 0; i < this.ConnectedGamepads; i++) {
-                    if (this.GetLastGamepadState(i).IsButtonDown(button))
+                    if (this.GetLastGamepadState(i).GetAnalogValue(button) > this.GamepadButtonDeadzone)
                         return true;
+                }
                 return false;
             }
-            return this.GetLastGamepadState(index).IsButtonDown(button);
+            return this.GetLastGamepadState(index).GetAnalogValue(button) > this.GamepadButtonDeadzone;
         }
 
         /// <inheritdoc cref="GamePadState.IsButtonUp"/>
         public bool WasGamepadButtonUp(Buttons button, int index = -1) {
             if (index < 0) {
-                for (var i = 0; i < this.ConnectedGamepads; i++)
+                for (var i = 0; i < this.ConnectedGamepads; i++) {
-                    if (this.GetLastGamepadState(i).IsButtonUp(button))
+                    if (this.GetLastGamepadState(i).GetAnalogValue(button) <= this.GamepadButtonDeadzone)
                         return true;
+                }
                 return false;
             }
-            return this.GetLastGamepadState(index).IsButtonUp(button);
+            return this.GetLastGamepadState(index).GetAnalogValue(button) <= this.GamepadButtonDeadzone;
         }
 
         /// <summary>
@@ -471,9 +469,10 @@ namespace MLEM.Input {
         public bool IsGamepadButtonPressed(Buttons button, int index = -1) {
             if (this.HandleGamepadRepeats) {
                 if (index < 0) {
-                    for (var i = 0; i < this.ConnectedGamepads; i++)
+                    for (var i = 0; i < this.ConnectedGamepads; i++) {
                         if (this.heldGamepadButtons[i] == button && this.triggerGamepadButtonRepeat[i])
                             return true;
+                    }
                 } else if (this.heldGamepadButtons[index] == button && this.triggerGamepadButtonRepeat[index]) {
                     return true;
                 }
@@ -510,6 +509,22 @@ namespace MLEM.Input {
             return false;
         }
 
+        /// <summary>
+        /// Queries for a gesture of the given type that finished during the current update call.
+        /// Unlike <see cref="GetGesture"/>, the return value of this method takes the <see cref="GraphicsDevice.Viewport"/> into account.
+        /// </summary>
+        /// <param name="type">The type of gesture to query for</param>
+        /// <param name="sample">The resulting gesture sample with the <see cref="GraphicsDevice.Viewport"/> taken into account, or default if there isn't one</param>
+        /// <returns>True if a gesture of the type was found, otherwise false</returns>
+        public bool GetViewportGesture(GestureType type, out GestureSample sample) {
+            if (this.GetGesture(type, out var original)) {
+                sample = new GestureSample(original.GestureType, original.Timestamp, original.Position + this.ViewportOffset.ToVector2(), original.Position2 + this.ViewportOffset.ToVector2(), original.Delta, original.Delta2);
+                return true;
+            }
+            sample = default;
+            return false;
+        }
+
         /// <summary>
         /// Returns if a given control of any kind is down.
         /// This is a helper function that can be passed a <see cref="Keys"/>, <see cref="Buttons"/> or <see cref="MouseButton"/>.
@@ -600,6 +615,38 @@ namespace MLEM.Input {
             return false;
         }
 
+        /// <summary>
+        /// Tries to retrieve the amount of time that a given <see cref="GenericInput"/> has been held down for.
+        /// If the input is currently down, this method returns true and the amount of time that it has been down for is stored in <paramref name="downTime"/>.
+        /// </summary>
+        /// <param name="input">The input whose down time to query.</param>
+        /// <param name="downTime">The resulting down time, or <see cref="TimeSpan.Zero"/> if the input is not being held.</param>
+        /// <param name="index">The index of the gamepad to query (if applicable), or -1 for any gamepad.</param>
+        /// <returns>Whether the input is currently being held.</returns>
+        public bool TryGetDownTime(GenericInput input, out TimeSpan downTime, int index = -1) {
+            if (this.inputsDown.TryGetValue((input, index), out var start)) {
+                downTime = DateTime.UtcNow - start;
+                return true;
+            }
+            return false;
+        }
+
+        /// <summary>
+        /// Returns the amount of time that a given <see cref="GenericInput"/> has been held down for.
+        /// If this input isn't currently own, this method returns <see cref="TimeSpan.Zero"/>.
+        /// </summary>
+        /// <param name="input">The input whose down time to query.</param>
+        /// <param name="index">The index of the gamepad to query (if applicable), or -1 for any gamepad.</param>
+        /// <returns>The resulting down time, or <see cref="TimeSpan.Zero"/> if the input is not being held.</returns>
+        public TimeSpan GetDownTime(GenericInput input, int index = -1) {
+            this.TryGetDownTime(input, out var time, index);
+            return time;
+        }
+
+        private void AccumulateDown(GenericInput input, int index) {
+            this.inputsDownAccum.Add((input, index), this.inputsDown.TryGetValue((input, index), out var start) ? start : DateTime.UtcNow);
+        }
+
         /// <summary>
         /// Helper function to enable gestures for a <see cref="TouchPanel"/> easily.
         /// Note that, if other gestures were previously enabled, they will not get overridden.

MLEM/Input/Keybind.cs

@@ -32,8 +32,7 @@ namespace MLEM.Input {
         /// <summary>
         /// Creates a new keybind with no default combinations
         /// </summary>
-        public Keybind() {
+        public Keybind() {}
-        }
 
         /// <summary>
         /// Adds a new key combination to this keybind that can optionally be pressed for the keybind to trigger.
@@ -48,7 +47,28 @@ namespace MLEM.Input {
 
         /// <inheritdoc cref="Add(MLEM.Input.GenericInput,MLEM.Input.GenericInput[])"/>
         public Keybind Add(GenericInput key, ModifierKey modifier) {
-            return this.Add(key, modifier.GetKeys().Select(m => (GenericInput) m).ToArray());
+            foreach (var mod in modifier.GetKeys())
+                this.Add(key, mod);
+            return this;
+        }
+
+        /// <summary>
+        /// Inserts a new key combination into the given <paramref name="index"/> of this keybind's combinations that can optionally be pressed for the keybind to trigger.
+        /// </summary>
+        /// <param name="index">The index to insert this combination into.</param>
+        /// <param name="key">The key to be pressed.</param>
+        /// <param name="modifiers">The modifier keys that have to be held down.</param>
+        /// <returns>This keybind, for chaining.</returns>
+        public Keybind Insert(int index, GenericInput key, params GenericInput[] modifiers) {
+            this.combinations = this.combinations.Take(index).Append(new Combination(key, modifiers)).Concat(this.combinations.Skip(index)).ToArray();
+            return this;
+        }
+
+        /// <inheritdoc cref="Insert(int,MLEM.Input.GenericInput,MLEM.Input.GenericInput[])"/>
+        public Keybind Insert(int index, GenericInput key, ModifierKey modifier) {
+            foreach (var mod in modifier.GetKeys().Reverse())
+                this.Insert(index, key, mod);
+            return this;
         }
 
         /// <summary>
@@ -135,6 +155,22 @@ namespace MLEM.Input {
                 yield return combination;
         }
 
+        /// <summary>
+        /// Tries to retrieve the combination at the given <paramref name="index"/> within this keybind.
+        /// </summary>
+        /// <param name="index">The index of the combination to retrieve.</param>
+        /// <param name="combination">The combination, or default if this method returns false.</param>
+        /// <returns>Whether the combination could be successfully retrieved or the index was out of bounds of this keybind's combination collection.</returns>
+        public bool TryGetCombination(int index, out Combination combination) {
+            if (index >= 0 && index < this.combinations.Length) {
+                combination = this.combinations[index];
+                return true;
+            } else {
+                combination = default;
+                return false;
+            }
+        }
+
         /// <summary>
         /// Converts this keybind into an easily human-readable string.
         /// When using <see cref="ToString()"/>, this method is used with <paramref name="joiner"/> set to ", ".

MLEM/MLEM.csproj

@@ -4,7 +4,7 @@
         <GenerateDocumentationFile>true</GenerateDocumentationFile>
         <ProduceReferenceAssembly>true</ProduceReferenceAssembly>
     </PropertyGroup>
-
+    
     <PropertyGroup>
         <Authors>Ellpeck</Authors>
         <Description>MLEM Library for Extending MonoGame provides extension methods and additional features for MonoGame</Description>
@@ -16,13 +16,13 @@
         <PackageIcon>Logo.png</PackageIcon>
         <PackageReadmeFile>README.md</PackageReadmeFile>
     </PropertyGroup>
-
+    
     <ItemGroup>
         <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.0.1641">
             <PrivateAssets>all</PrivateAssets>
         </PackageReference>
     </ItemGroup>
-
+    
     <ItemGroup>
         <None Include="../Media/Logo.png" Pack="true" PackagePath="" />
         <None Include="../Docs/index.md" Pack="true" PackagePath="README.md" />

MLEM/Misc/MlemPlatform.cs

@@ -140,8 +140,7 @@ namespace MLEM.Misc {
             }
 
             /// <inheritdoc />
-            public override void AddTextInputListener(GameWindow window, TextInputCallback callback) {
+            public override void AddTextInputListener(GameWindow window, TextInputCallback callback) {}
-            }
 
             /// <inheritdoc />
             public override void OpenLinkOrFile(string link) {
@@ -172,12 +171,10 @@ namespace MLEM.Misc {
             }
 
             /// <inheritdoc />
-            public override void AddTextInputListener(GameWindow window, TextInputCallback callback) {
+            public override void AddTextInputListener(GameWindow window, TextInputCallback callback) {}
-            }
 
             /// <inheritdoc />
-            public override void OpenLinkOrFile(string link) {
+            public override void OpenLinkOrFile(string link) {}
-            }
 
         }
 

MLEM/Misc/Padding.cs

@@ -62,27 +62,21 @@ namespace MLEM.Misc {
         /// Creates a new padding with the specified value, which will be applied to each edge.
         /// </summary>
         /// <param name="value">The padding to apply to each edge</param>
-        public Padding(float value) :
+        public Padding(float value) : this(value, value) {}
-            this(value, value) {
-        }
 
         /// <summary>
         /// Creates a new padding with the specified x and y values, applying them to both edges.
         /// </summary>
         /// <param name="x">The x padding, which will turn into the left and right padding</param>
         /// <param name="y">The y padding, which till turn into the top and bottom padding</param>
-        public Padding(float x, float y) :
+        public Padding(float x, float y) : this(x, x, y, y) {}
-            this(x, x, y, y) {
-        }
 
         /// <summary>
         /// Creates a new padding from an existing padding, modifying it by growing or shrinking it.
         /// </summary>
         /// <param name="padding">The padding whose initial values to use</param>
         /// <param name="growth">The amount to grow each border by. Negative values will shrink the padding.</param>
-        public Padding(Padding padding, float growth) :
+        public Padding(Padding padding, float growth) : this(padding.Left + growth, padding.Right + growth, padding.Top + growth, padding.Bottom + growth) {}
-            this(padding.Left + growth, padding.Right + growth, padding.Top + growth, padding.Bottom + growth) {
-        }
 
         /// <summary>
         /// Implicitly creates a padding from the given two-dimensional vector.

MLEM/Misc/RectangleF.cs

@@ -105,49 +105,6 @@ namespace MLEM.Misc {
             this.Height = size.Y;
         }
 
-        /// <summary>
-        /// Creates a new rectangle based on two corners that form a bounding box.
-        /// The resulting rectangle will encompass both corners as well as all of the space between them.
-        /// </summary>
-        /// <param name="corner1">The first corner to use</param>
-        /// <param name="corner2">The second corner to use</param>
-        /// <returns></returns>
-        public static RectangleF FromCorners(Vector2 corner1, Vector2 corner2) {
-            var minX = Math.Min(corner1.X, corner2.X);
-            var minY = Math.Min(corner1.Y, corner2.Y);
-            var maxX = Math.Max(corner1.X, corner2.X);
-            var maxY = Math.Max(corner1.Y, corner2.Y);
-            return new RectangleF(minX, minY, maxX - minX, maxY - minY);
-        }
-
-        /// <summary>
-        /// Converts a float-based rectangle to an int-based rectangle, flooring each value in the process.
-        /// </summary>
-        /// <param name="rect">The rectangle to convert</param>
-        /// <returns>The resulting rectangle</returns>
-        public static explicit operator Rectangle(RectangleF rect) {
-            return new Rectangle(rect.X.Floor(), rect.Y.Floor(), rect.Width.Floor(), rect.Height.Floor());
-        }
-
-        /// <summary>
-        /// Converts an int-based rectangle to a float-based rectangle.
-        /// </summary>
-        /// <param name="rect">The rectangle to convert</param>
-        /// <returns>The resulting rectangle</returns>
-        public static explicit operator RectangleF(Rectangle rect) {
-            return new RectangleF(rect.X, rect.Y, rect.Width, rect.Height);
-        }
-
-        /// <inheritdoc cref="Equals(RectangleF)"/>
-        public static bool operator ==(RectangleF a, RectangleF b) {
-            return a.X == b.X && a.Y == b.Y && a.Width == b.Width && a.Height == b.Height;
-        }
-
-        /// <inheritdoc cref="Equals(RectangleF)"/>
-        public static bool operator !=(RectangleF a, RectangleF b) {
-            return !(a == b);
-        }
-
         /// <inheritdoc cref="Rectangle.Contains(float, float)"/>
         public bool Contains(float x, float y) {
             return this.X <= x && x < this.X + this.Width && this.Y <= y && y < this.Y + this.Height;
@@ -196,6 +153,92 @@ namespace MLEM.Misc {
             return value.Left < this.Right && this.Left < value.Right && value.Top < this.Bottom && this.Top < value.Bottom;
         }
 
+        /// <inheritdoc cref="Rectangle.Offset(float, float)"/>
+        public void Offset(float offsetX, float offsetY) {
+            this.X += offsetX;
+            this.Y += offsetY;
+        }
+
+        /// <inheritdoc cref="Rectangle.Offset(Vector2)"/>
+        public void Offset(Vector2 amount) {
+            this.X += amount.X;
+            this.Y += amount.Y;
+        }
+
+        /// <summary>
+        /// Calculates the suqared distance between this rectangle and the <paramref name="value"/>.
+        /// The returned value is the smallest squared distance between any two edges or corners of the two rectangles.
+        /// </summary>
+        /// <param name="value">The rectangle to calculate the squared distance to.</param>
+        /// <returns>The squared distance between the two rectangles.</returns>
+        public float DistanceSquared(RectangleF value) {
+            // we calculate the distance based on the quadrants that the other rectangle is in using 8 cases:
+            // 1 7 4 
+            // 3 T 6
+            // 2 8 5
+            var valueIsAbove = value.Bottom < this.Top;
+            var valueIsBelow = value.Top > this.Bottom;
+            if (value.Right < this.Left) {
+                if (valueIsAbove) // 1
+                    return Vector2.DistanceSquared(new Vector2(value.Right, value.Bottom), new Vector2(this.Left, this.Top));
+                if (valueIsBelow) // 2
+                    return Vector2.DistanceSquared(new Vector2(value.Right, value.Top), new Vector2(this.Left, this.Bottom));
+                return (this.Left - value.Right) * (this.Left - value.Right); // 3
+            } else if (value.Left > this.Right) {
+                if (valueIsAbove) // 4
+                    return Vector2.DistanceSquared(new Vector2(value.Left, value.Bottom), new Vector2(this.Right, this.Top));
+                if (valueIsBelow) // 5
+                    return Vector2.DistanceSquared(new Vector2(value.Left, value.Top), new Vector2(this.Right, this.Bottom));
+                return (value.Left - this.Right) * (value.Left - this.Right); // 6
+            } else if (valueIsAbove) {
+                return (this.Top - value.Bottom) * (this.Top - value.Bottom); // 7
+            } else if (valueIsBelow) {
+                return (value.Top - this.Bottom) * (value.Top - this.Bottom); // 8
+            } else {
+                return 0;
+            }
+        }
+
+        /// <summary>
+        /// Calculates the distance between this rectangle and the <paramref name="value"/>.
+        /// The returned value is the smallest distance between any two edges or corners of the two rectangles.
+        /// </summary>
+        /// <param name="value">The rectangle to calculate the distance to.</param>
+        /// <returns>The distance between the two rectangles.</returns>
+        public float Distance(RectangleF value) {
+            return (float) Math.Sqrt(this.DistanceSquared(value));
+        }
+
+        /// <summary>Returns a string that represents the current object.</summary>
+        /// <returns>A string that represents the current object.</returns>
+        public override string ToString() {
+            return "{X:" + this.X + " Y:" + this.Y + " Width:" + this.Width + " Height:" + this.Height + "}";
+        }
+
+        /// <inheritdoc cref="Rectangle.Deconstruct"/>
+        public void Deconstruct(out float x, out float y, out float width, out float height) {
+            x = this.X;
+            y = this.Y;
+            width = this.Width;
+            height = this.Height;
+        }
+
+        /// <summary>
+        /// Converts a float-based rectangle to an int-based rectangle, flooring each value in the process.
+        /// </summary>
+        /// <param name="rect">The rectangle to convert</param>
+        /// <returns>The resulting rectangle</returns>
+        public static explicit operator Rectangle(RectangleF rect) {
+            return new Rectangle(rect.X.Floor(), rect.Y.Floor(), rect.Width.Floor(), rect.Height.Floor());
+        }
+
+        /// <inheritdoc cref="Rectangle.Union(Rectangle, Rectangle)"/>
+        public static RectangleF Union(RectangleF value1, RectangleF value2) {
+            var x = Math.Min(value1.X, value2.X);
+            var y = Math.Min(value1.Y, value2.Y);
+            return new RectangleF(x, y, Math.Max(value1.Right, value2.Right) - x, Math.Max(value1.Bottom, value2.Bottom) - y);
+        }
+
         /// <inheritdoc cref="Rectangle.Intersect(Rectangle, Rectangle)"/>
         public static RectangleF Intersect(RectangleF value1, RectangleF value2) {
             if (value1.Intersects(value2)) {
@@ -209,37 +252,38 @@ namespace MLEM.Misc {
             }
         }
 
-        /// <inheritdoc cref="Rectangle.Offset(float, float)"/>
+        /// <summary>
-        public void Offset(float offsetX, float offsetY) {
+        /// Creates a new rectangle based on two corners that form a bounding box.
-            this.X += offsetX;
+        /// The resulting rectangle will encompass both corners as well as all of the space between them.
-            this.Y += offsetY;
+        /// </summary>
+        /// <param name="corner1">The first corner to use</param>
+        /// <param name="corner2">The second corner to use</param>
+        /// <returns></returns>
+        public static RectangleF FromCorners(Vector2 corner1, Vector2 corner2) {
+            var minX = Math.Min(corner1.X, corner2.X);
+            var minY = Math.Min(corner1.Y, corner2.Y);
+            var maxX = Math.Max(corner1.X, corner2.X);
+            var maxY = Math.Max(corner1.Y, corner2.Y);
+            return new RectangleF(minX, minY, maxX - minX, maxY - minY);
         }
 
-        /// <inheritdoc cref="Rectangle.Offset(Vector2)"/>
+        /// <summary>
-        public void Offset(Vector2 amount) {
+        /// Converts an int-based rectangle to a float-based rectangle.
-            this.X += amount.X;
+        /// </summary>
-            this.Y += amount.Y;
+        /// <param name="rect">The rectangle to convert</param>
+        /// <returns>The resulting rectangle</returns>
+        public static explicit operator RectangleF(Rectangle rect) {
+            return new RectangleF(rect.X, rect.Y, rect.Width, rect.Height);
         }
 
-        /// <summary>Returns a string that represents the current object.</summary>
+        /// <inheritdoc cref="Equals(RectangleF)"/>
-        /// <returns>A string that represents the current object.</returns>
+        public static bool operator ==(RectangleF a, RectangleF b) {
-        public override string ToString() {
+            return a.X == b.X && a.Y == b.Y && a.Width == b.Width && a.Height == b.Height;
-            return "{X:" + this.X + " Y:" + this.Y + " Width:" + this.Width + " Height:" + this.Height + "}";
         }
 
-        /// <inheritdoc cref="Rectangle.Union(Rectangle, Rectangle)"/>
+        /// <inheritdoc cref="Equals(RectangleF)"/>
-        public static RectangleF Union(RectangleF value1, RectangleF value2) {
+        public static bool operator !=(RectangleF a, RectangleF b) {
-            var x = Math.Min(value1.X, value2.X);
+            return !(a == b);
-            var y = Math.Min(value1.Y, value2.Y);
-            return new RectangleF(x, y, Math.Max(value1.Right, value2.Right) - x, Math.Max(value1.Bottom, value2.Bottom) - y);
-        }
-
-        /// <inheritdoc cref="Rectangle.Deconstruct"/>
-        public void Deconstruct(out float x, out float y, out float width, out float height) {
-            x = this.X;
-            y = this.Y;
-            width = this.Width;
-            height = this.Height;
         }
 
     }

MLEM/Pathfinding/AStar2.cs

@@ -14,8 +14,7 @@ namespace MLEM.Pathfinding {
 
         /// <inheritdoc />
         public AStar2(GetCost defaultCostFunction, bool defaultAllowDiagonals, float defaultCost = 1, int defaultMaxTries = 10000) :
-            base(AllDirs, AdjacentDirs, defaultCostFunction, defaultAllowDiagonals, defaultCost, defaultMaxTries) {
+            base(AllDirs, AdjacentDirs, defaultCostFunction, defaultAllowDiagonals, defaultCost, defaultMaxTries) {}
-        }
 
         /// <inheritdoc />
         protected override Point AddPositions(Point first, Point second) {

MLEM/Pathfinding/AStar3.cs

@@ -35,8 +35,7 @@ namespace MLEM.Pathfinding {
 
         /// <inheritdoc />
         public AStar3(GetCost defaultCostFunction, bool defaultAllowDiagonals, float defaultCost = 1, int defaultMaxTries = 10000) :
-            base(AllDirs, AdjacentDirs, defaultCostFunction, defaultAllowDiagonals, defaultCost, defaultMaxTries) {
+            base(AllDirs, AdjacentDirs, defaultCostFunction, defaultAllowDiagonals, defaultCost, defaultMaxTries) {}
-        }
 
         /// <inheritdoc />
         protected override Vector3 AddPositions(Vector3 first, Vector3 second) {

MLEM/Sound/SoundEffectInstanceHandler.cs

@@ -19,8 +19,7 @@ namespace MLEM.Sound {
         /// Creates a new sound effect instance handler with the given settings
         /// </summary>
         /// <param name="game">The game instance</param>
-        public SoundEffectInstanceHandler(Game game) : base(game) {
+        public SoundEffectInstanceHandler(Game game) : base(game) {}
-        }
 
         /// <inheritdoc cref="Update()"/>
         public override void Update(GameTime gameTime) {
@@ -36,8 +35,7 @@ namespace MLEM.Sound {
             for (var i = this.playingSounds.Count - 1; i >= 0; i--) {
                 var entry = this.playingSounds[i];
                 if (entry.Instance.IsDisposed || entry.Instance.State == SoundState.Stopped) {
-                    entry.Instance.Stop(true);
+                    entry.StopAndNotify();
-                    entry.OnStopped?.Invoke(entry.Instance);
                     this.playingSounds.RemoveAt(i);
                 } else {
                     entry.TryApply3D(this.listeners);
@@ -69,6 +67,16 @@ namespace MLEM.Sound {
                 entry.Instance.Resume();
         }
 
+        /// <summary>
+        /// Stops all of the sound effect instances in this handler
+        /// </summary>
+        public void Stop() {
+            this.playingSounds.RemoveAll(e => {
+                e.StopAndNotify();
+                return true;
+            });
+        }
+
         /// <summary>
         /// Adds a new <see cref="SoundEffectInstance"/> to this handler.
         /// This also starts playing the instance.
@@ -132,7 +140,7 @@ namespace MLEM.Sound {
             /// </summary>
             public readonly SoundEffectInstance Instance;
             /// <summary>
-            /// An action that is invoked when this entry's <see cref="Instance"/> is stopped.
+            /// An action that is invoked when this entry's <see cref="Instance"/> is stopped or after it finishes naturally.
             /// This action is invoked in <see cref="SoundEffectInstanceHandler.Update()"/>.
             /// </summary>
             public readonly Action<SoundEffectInstance> OnStopped;
@@ -153,6 +161,11 @@ namespace MLEM.Sound {
                     this.Instance.Apply3D(listeners, this.Emitter);
             }
 
+            internal void StopAndNotify() {
+                this.Instance.Stop(true);
+                this.OnStopped?.Invoke(this.Instance);
+            }
+
         }
 
     }

MLEM/Textures/NinePatch.cs

@@ -53,14 +53,10 @@ namespace MLEM.Textures {
         /// <param name="paddingTop">The padding on the top edge</param>
         /// <param name="paddingBottom">The padding on the bottom edge</param>
         /// <param name="mode">The mode to use for drawing this nine patch, defaults to <see cref="NinePatchMode.Stretch"/></param>
-        public NinePatch(TextureRegion texture, int paddingLeft, int paddingRight, int paddingTop, int paddingBottom, NinePatchMode mode = NinePatchMode.Stretch) :
+        public NinePatch(TextureRegion texture, int paddingLeft, int paddingRight, int paddingTop, int paddingBottom, NinePatchMode mode = NinePatchMode.Stretch) : this(texture, new Padding(paddingLeft, paddingRight, paddingTop, paddingBottom), mode) {}
-            this(texture, new Padding(paddingLeft, paddingRight, paddingTop, paddingBottom), mode) {
-        }
 
         /// <inheritdoc cref="NinePatch(TextureRegion, int, int, int, int, NinePatchMode)"/>
-        public NinePatch(Texture2D texture, int paddingLeft, int paddingRight, int paddingTop, int paddingBottom, NinePatchMode mode = NinePatchMode.Stretch) :
+        public NinePatch(Texture2D texture, int paddingLeft, int paddingRight, int paddingTop, int paddingBottom, NinePatchMode mode = NinePatchMode.Stretch) : this(new TextureRegion(texture), paddingLeft, paddingRight, paddingTop, paddingBottom, mode) {}
-            this(new TextureRegion(texture), paddingLeft, paddingRight, paddingTop, paddingBottom, mode) {
-        }
 
         /// <summary>
         /// Creates a new nine patch from a texture and a uniform padding
@@ -68,14 +64,10 @@ namespace MLEM.Textures {
         /// <param name="texture">The texture to use</param>
         /// <param name="padding">The padding that each edge should have</param>
         /// <param name="mode">The mode to use for drawing this nine patch, defaults to <see cref="NinePatchMode.Stretch"/></param>
-        public NinePatch(Texture2D texture, int padding, NinePatchMode mode = NinePatchMode.Stretch) :
+        public NinePatch(Texture2D texture, int padding, NinePatchMode mode = NinePatchMode.Stretch) : this(new TextureRegion(texture), padding, mode) {}
-            this(new TextureRegion(texture), padding, mode) {
-        }
 
         /// <inheritdoc cref="NinePatch(TextureRegion, int, NinePatchMode)"/>
-        public NinePatch(TextureRegion texture, int padding, NinePatchMode mode = NinePatchMode.Stretch) :
+        public NinePatch(TextureRegion texture, int padding, NinePatchMode mode = NinePatchMode.Stretch) : this(texture, padding, padding, padding, padding, mode) {}
-            this(texture, padding, padding, padding, padding, mode) {
-        }
 
         internal RectangleF GetRectangleForIndex(RectangleF area, int index, float patchScale = 1) {
             var pl = this.Padding.Left * patchScale;

MLEM/Textures/TextureRegion.cs

@@ -73,9 +73,7 @@ namespace MLEM.Textures {
         /// Creates a new texture region that spans the entire texture
         /// </summary>
         /// <param name="texture">The texture to use</param>
-        public TextureRegion(Texture2D texture) :
+        public TextureRegion(Texture2D texture) : this(texture, new Rectangle(0, 0, texture.Width, texture.Height)) {}
-            this(texture, new Rectangle(0, 0, texture.Width, texture.Height)) {
-        }
 
         /// <summary>
         /// Creates a new texture region based on a texture and area coordinates
@@ -85,9 +83,7 @@ namespace MLEM.Textures {
         /// <param name="v">The y coordinate of the top left corner of this area</param>
         /// <param name="width">The width of this area</param>
         /// <param name="height">The height of this area</param>
-        public TextureRegion(Texture2D texture, int u, int v, int width, int height) :
+        public TextureRegion(Texture2D texture, int u, int v, int width, int height) : this(texture, new Rectangle(u, v, width, height)) {}
-            this(texture, new Rectangle(u, v, width, height)) {
-        }
 
         /// <summary>
         /// Creates a new texture region based on a texture, a position and a size
@@ -95,18 +91,14 @@ namespace MLEM.Textures {
         /// <param name="texture">The texture to use</param>
         /// <param name="uv">The top left corner of this area</param>
         /// <param name="size">The size of this area</param>
-        public TextureRegion(Texture2D texture, Point uv, Point size) :
+        public TextureRegion(Texture2D texture, Point uv, Point size) : this(texture, new Rectangle(uv, size)) {}
-            this(texture, new Rectangle(uv, size)) {
-        }
 
         /// <summary>
         /// Creates a new texture region which is a sub-region of the given texture region
         /// </summary>
         /// <param name="region">The texture region to create a sub-region of</param>
         /// <param name="area">The new texture region area</param>
-        public TextureRegion(TextureRegion region, Rectangle area) :
+        public TextureRegion(TextureRegion region, Rectangle area) : this(region, area.Location, area.Size) {}
-            this(region, area.Location, area.Size) {
-        }
 
         /// <summary>
         /// Creates a new texture region which is a sub-region of the given texture region
@@ -116,9 +108,7 @@ namespace MLEM.Textures {
         /// <param name="v">The y coordinate of the top left corner of this area</param>
         /// <param name="width">The width of this area</param>
         /// <param name="height">The height of this area</param>
-        public TextureRegion(TextureRegion region, int u, int v, int width, int height) :
+        public TextureRegion(TextureRegion region, int u, int v, int width, int height) : this(region, new Point(u, v), new Point(width, height)) {}
-            this(region, new Point(u, v), new Point(width, height)) {
-        }
 
         /// <summary>
         /// Creates a new texture region which is a sub-region of the given texture region
@@ -126,8 +116,16 @@ namespace MLEM.Textures {
         /// <param name="region">The texture region to create a sub-region of</param>
         /// <param name="uv">The top left corner of this area</param>
         /// <param name="size">The size of this area</param>
-        public TextureRegion(TextureRegion region, Point uv, Point size) :
+        public TextureRegion(TextureRegion region, Point uv, Point size) : this(region.Texture, region.Position + uv, size) {}
-            this(region.Texture, region.Position + uv, size) {
+
+        /// <summary>
+        /// Returns a new <see cref="TextureRegion"/> that has the same <see cref="Texture"/>, <see cref="Pivot"/> and <see cref="Size"/> as this texture, but the returned region's <see cref="Position"/> will be offset by <paramref name="offset"/>.
+        /// Note that the <see cref="Name"/> is not preserved in the copy.
+        /// </summary>
+        /// <param name="offset">The offset to apply to the <see cref="Position"/></param>
+        /// <returns>An offset copy of this texture region</returns>
+        public TextureRegion OffsetCopy(Point offset) {
+            return new TextureRegion(this.Texture, this.Position + offset, this.Size) {Pivot = this.Pivot};
         }
 
     }

MLEM/Textures/UniformTextureAtlas.cs

@@ -82,9 +82,7 @@ namespace MLEM.Textures {
         /// <param name="texture">The texture to use for this atlas</param>
         /// <param name="regionAmountX">The amount of texture regions in the x direction</param>
         /// <param name="regionAmountY">The amount of texture regions in the y direction</param>
-        public UniformTextureAtlas(Texture2D texture, int regionAmountX, int regionAmountY) :
+        public UniformTextureAtlas(Texture2D texture, int regionAmountX, int regionAmountY) : this(new TextureRegion(texture), regionAmountX, regionAmountY) {}
-            this(new TextureRegion(texture), regionAmountX, regionAmountY) {
-        }
 
         private TextureRegion GetOrAddRegion(Rectangle rect) {
             if (this.regions.TryGetValue(rect, out var region))

README.md

@@ -14,13 +14,14 @@
 - **MLEM** is the base package, which provides extension methods and additional features for MonoGame
 - **MLEM.Ui** features a mouse, keyboard, gamepad and touch ready Ui system that features automatic anchoring, sizing and several ready-to-use element types
 - **MLEM.Extended** ties in with MonoGame.Extended and other MonoGame libraries
-- **MLEM.Data** provides simple data handling
+- **MLEM.Data** provides simple loading and processing of textures and data
 - **MLEM.Startup** combines MLEM with some other useful libraries into a quick Game startup class
 - **MLEM.Templates** contains cross-platform project templates
 
 # Made with MLEM
 - [A Breath of Spring Air](https://ellpeck.itch.io/a-breath-of-spring-air), a short platformer ([Source](https://git.ellpeck.de/Ellpeck/GreatSpringGameJam))
 - [Don't Wake Up](https://ellpeck.itch.io/dont-wake-up), a short puzzle game ([Source](https://github.com/Ellpeck/DontLetGo))
+- [Pong clone](https://github.com/luanfagu/pong), a very simple pong clone ([Source](https://github.com/luanfagu/pong))
 - [Tiny Life](https://tinylifegame.com), an isometric life simulation game ([Modding API](https://github.com/Ellpeck/TinyLifeExampleMod))
 
 If you created a game with the help of MLEM, you can get it added to this list by submitting it on the [issue tracker](https://github.com/Ellpeck/MLEM/issues). If its source is public, other people will be able to use your project as an example, too!
@@ -37,8 +38,9 @@ MLEM's [text formatting system](https://mlem.ellpeck.de/articles/text_formatting
 ![An image showing text with various colors and other formatting](https://raw.githubusercontent.com/Ellpeck/MLEM/main/Media/Formatting.png)
 
 # Friends of MLEM
-There are several other NuGet packages and tools that work well in combination with MonoGame and MLEM. Here are some of them:
+There are several other libraries and tools that work well in combination with MonoGame and MLEM. Here are some of them:
 - [Contentless](https://github.com/Ellpeck/Contentless), a tool that removes the need to add assets to the MonoGame Content Pipeline manually
 - [GameBundle](https://github.com/Ellpeck/GameBundle), a tool that packages MonoGame and other .NET Core applications into several distributable formats
 - [MonoGame.Extended](https://github.com/craftworkgames/MonoGame.Extended), a package that also provides several additional features for MonoGame
-- [Coroutine](https://github.com/Ellpeck/Coroutine), a package that implements Unity-style coroutines for any project
+- [Coroutine](https://github.com/Ellpeck/Coroutine), a package that implements Unity-style coroutines for any project
+- [Illumilib](https://github.com/Ellpeck/Illumilib), a simple keyboard and mouse lighting library with support for Razer, Logitech and Corsair devices

Sandbox/Content/Tiled/Map.tmx

@@ -1,274 +1,274 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <map version="1.2" tiledversion="1.3.1" orientation="orthogonal" renderorder="right-down" compressionlevel="0" width="50" height="50" tilewidth="16" tileheight="16" infinite="0" nextlayerid="7" nextobjectid="32">
- <tileset firstgid="1" source="Tileset.tsx"/>
+    <tileset firstgid="1" source="Tileset.tsx" />
- <layer id="1" name="Ground" width="50" height="50">
+    <layer id="1" name="Ground" width="50" height="50">
-  <data encoding="csv">
+        <data encoding="csv">
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+            450,450,450,450,450,451,3,36,38,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,132,133,71,102,3,3,3,3,3,3,3,3,3,3,3,3,3,
-450,450,450,450,450,451,3,36,38,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,132,133,133,134,3,3,3,3,3,3,3,3,3,3,3,3,3,
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-450,450,450,450,420,483,3,36,38,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,164,40,133,134,3,3,3,3,3,3,3,3,3,3,3,3,3,
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+            450,450,450,450,451,3,3,36,38,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,132,133,134,3,3,3,3,3,3,3,3,3,3,3,3,3,
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+            450,450,450,451,3,3,3,36,38,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,100,72,133,133,134,3,3,3,3,3,3,3,3,3,3,3,3,3,
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-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+            0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+            0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+            0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,269,270,0,0,0,0,0,0,0,0,271,0,0,0,0,0,0,0,0,0,0,0,
+            0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,269,270,0,0,0,0,0,0,0,0,271,0,0,0,0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,271,0,0,0,0,
+            0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,271,0,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,271,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+            0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,271,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
-0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
+            0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
-</data>
+        </data>
- </layer>
+    </layer>
 </map>

Sandbox/GameImpl.cs

@@ -22,6 +22,7 @@ using MLEM.Ui;
 using MLEM.Ui.Elements;
 using MLEM.Ui.Style;
 using MonoGame.Extended.Tiled;
+using MonoGame.Extended.ViewportAdapters;
 
 namespace Sandbox {
     public class GameImpl : MlemGame {
@@ -119,13 +120,6 @@ namespace Sandbox {
                 Console.WriteLine(vec + " -> " + dir);
             }
 
-            var copy = obj.DeepCopy();
-            Console.WriteLine(copy);
-
-            var intoCopy = new Test(Vector2.One, "test") {OtherTest = new Test(Vector2.One, "other")};
-            obj.DeepCopyInto(intoCopy);
-            Console.WriteLine(intoCopy);
-
             var writer = new StringWriter();
             this.Content.GetJsonSerializer().Serialize(writer, obj);
             //Console.WriteLine(writer.ToString());
@@ -239,7 +233,7 @@ namespace Sandbox {
             par.OnDrawn = (e, time, batch, a) => batch.DrawRectangle(e.DisplayArea.ToExtended(), Color.Red);
             this.UiSystem.Add("Load", loadGroup);*/
 
-            var spillPanel = new Panel(Anchor.Center, new Vector2(100), Vector2.Zero);
+            /*var spillPanel = new Panel(Anchor.Center, new Vector2(100), Vector2.Zero);
             var squishingGroup = spillPanel.AddChild(new SquishingGroup(Anchor.TopLeft, Vector2.One));
             squishingGroup.AddChild(new Button(Anchor.TopLeft, new Vector2(30), "TL") {
                 OnUpdated = (e, time) => e.IsHidden = Input.IsKeyDown(Keys.D1),
@@ -266,7 +260,60 @@ namespace Sandbox {
                     e.SetAreaDirty();
                 }
             }).SetData("Ref", "Main");
-            this.UiSystem.Add("SpillTest", spillPanel);
+            this.UiSystem.Add("SpillTest", spillPanel);*/
+
+            var regularFont = spriteFont.Font;
+            var genericFont = spriteFont;
+
+            var index = 0;
+            var pos = new Vector2(100, 20);
+            var scale = 1F;
+            var origin = Vector2.Zero;
+            var rotation = 0F;
+            var effects = SpriteEffects.None;
+
+            this.OnDraw += (g, time) => {
+                const string testString = "This is a\ntest string\n\twith long lines.\nLet's write some more stuff. Let's\r\nsplit lines weirdly.";
+                if (Input.IsKeyPressed(Keys.I)) {
+                    index++;
+                    if (index == 1) {
+                        scale = 2;
+                    } else if (index == 2) {
+                        origin = new Vector2(15, 15);
+                    } else if (index == 3) {
+                        rotation = 0.25F;
+                    } else if (index == 4) {
+                        effects = SpriteEffects.FlipHorizontally;
+                    } else if (index == 5) {
+                        effects = SpriteEffects.FlipVertically;
+                    } else if (index == 6) {
+                        effects = SpriteEffects.FlipHorizontally | SpriteEffects.FlipVertically;
+                    }
+                }
+
+                this.SpriteBatch.Begin();
+                if (Input.IsKeyDown(Keys.LeftShift)) {
+                    this.SpriteBatch.DrawString(regularFont, testString, pos, Color.Red, rotation, origin, scale, effects, 0);
+                } else {
+                    genericFont.DrawString(this.SpriteBatch, testString, pos, Color.Green, rotation, origin, scale, effects, 0);
+                }
+                this.SpriteBatch.End();
+            };
+
+            var viewport = new BoxingViewportAdapter(this.Window, this.GraphicsDevice, 1280, 720);
+            var newPanel = new Panel(Anchor.TopLeft, new Vector2(200, 100), new Vector2(10, 10));
+            newPanel.AddChild(new Button(Anchor.TopLeft, new Vector2(100, 20), "Text", "Tooltip text"));
+            this.UiSystem.Add("Panel", newPanel);
+
+            var keybindPanel = new Panel(Anchor.BottomRight, new Vector2(130, 150), new Vector2(5));
+            for (var i = 0; i < 15; i++) {
+                var button = keybindPanel.AddChild(new Button(default, default, i.ToString()));
+                button.Anchor = Anchor.AutoInline;
+                button.Padding = new Padding(0.5F);
+                button.SetHeightBasedOnChildren = false;
+                button.Size = new Vector2(30, 50);
+            }
+            this.UiSystem.Add("Keybinds", keybindPanel);
         }
 
         protected override void DoUpdate(GameTime gameTime) {
@@ -276,13 +323,13 @@ namespace Sandbox {
 
             var delta = this.InputHandler.ScrollWheel - this.InputHandler.LastScrollWheel;
             if (delta != 0) {
-                this.camera.Zoom(0.1F * Math.Sign(delta), this.InputHandler.MousePosition.ToVector2());
+                this.camera.Zoom(0.1F * Math.Sign(delta), this.InputHandler.ViewportMousePosition.ToVector2());
             }
 
             /*if (Input.InputsDown.Length > 0)
-                Console.WriteLine("Down: " + string.Join(", ", Input.InputsDown));
+                Console.WriteLine("Down: " + string.Join(", ", Input.InputsDown));*/
             if (Input.InputsPressed.Length > 0)
-                Console.WriteLine("Pressed: " + string.Join(", ", Input.InputsPressed));*/
+                Console.WriteLine("Pressed: " + string.Join(", ", Input.InputsPressed));
         }
 
         protected override void DoDraw(GameTime gameTime) {
@@ -307,7 +354,6 @@ namespace Sandbox {
             public Direction2 Dir { get; set; }
             public Test OtherTest;
 
-            [CopyConstructor]
             public Test(Vector2 test, string test2) {
                 Console.WriteLine("Constructed with " + test + ", " + test2);
             }

Sandbox/Sandbox.csproj

@@ -1,10 +1,10 @@
 <Project Sdk="Microsoft.NET.Sdk">
-
+    
     <PropertyGroup>
         <OutputType>Exe</OutputType>
         <TargetFramework>net5.0</TargetFramework>
     </PropertyGroup>
-
+    
     <ItemGroup>
         <ProjectReference Include="..\MLEM.Data\MLEM.Data.csproj" />
         <ProjectReference Include="..\MLEM.Extended\MLEM.Extended.csproj" />
@@ -12,15 +12,16 @@
         <ProjectReference Include="..\MLEM.Ui\MLEM.Ui.csproj" />
         <ProjectReference Include="..\MLEM\MLEM.csproj" />
     </ItemGroup>
-
+    
     <ItemGroup>
         <PackageReference Include="MonoGame.Content.Builder.Task" Version="3.8.0.1641" />
         <PackageReference Include="MonoGame.Extended.Content.Pipeline" Version="3.8.0" />
         <PackageReference Include="MonoGame.Extended.Tiled" Version="3.8.0" />
         <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.0.1641" />
         <PackageReference Include="FontStashSharp.MonoGame" Version="1.0.4" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     </ItemGroup>
-
+    
     <ItemGroup>
         <MonoGameContentReference Include="Content\Content.mgcb" />
         <Content Include="Content\*\**" />

Tests/DataTests.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Diagnostics;
 using System.IO;
 using System.Numerics;
 using Microsoft.Xna.Framework;
@@ -38,33 +37,6 @@ namespace Tests {
             Assert.AreEqual(this.testObject, read);
         }
 
-        [Test]
-        public void TestCopy() {
-            var copy = this.testObject.Copy();
-            Assert.AreEqual(this.testObject, copy);
-            Assert.AreSame(this.testObject.OtherTest, copy.OtherTest);
-
-            var deepCopy = this.testObject.DeepCopy();
-            Assert.AreEqual(this.testObject, deepCopy);
-            Assert.AreNotSame(this.testObject.OtherTest, deepCopy.OtherTest);
-        }
-
-        [Test]
-        public void TestCopySpeed() {
-            const int count = 1000000;
-            var stopwatch = Stopwatch.StartNew();
-            for (var i = 0; i < count; i++)
-                this.testObject.Copy();
-            stopwatch.Stop();
-            TestContext.WriteLine($"Copy took {stopwatch.Elapsed.TotalMilliseconds / count * 1000000}ns on average");
-
-            stopwatch.Restart();
-            for (var i = 0; i < count; i++)
-                this.testObject.DeepCopy();
-            stopwatch.Stop();
-            TestContext.WriteLine($"DeepCopy took {stopwatch.Elapsed.TotalMilliseconds / count * 1000000}ns on average");
-        }
-
         [Test]
         public void TestDynamicEnum() {
             var flags = new TestEnum[100];
@@ -124,8 +96,7 @@ namespace Tests {
             public Direction2 Dir { get; set; }
             public TestObject OtherTest;
 
-            public TestObject(Vector2 test, string test2) {
+            public TestObject(Vector2 test, string test2) {}
-            }
 
             protected bool Equals(TestObject other) {
                 return this.Vec.Equals(other.Vec) && this.Point.Equals(other.Point) && Equals(this.OtherTest, other.OtherTest) && this.Dir == other.Dir;
@@ -143,8 +114,7 @@ namespace Tests {
 
         private class TestEnum : DynamicEnum {
 
-            public TestEnum(string name, BigInteger value) : base(name, value) {
+            public TestEnum(string name, BigInteger value) : base(name, value) {}
-            }
 
         }
 

Tests/FontTests.cs

@@ -147,10 +147,10 @@ namespace Tests {
             }
 
             CompareSizes($"This is a very simple{GenericFont.Nbsp}test string");
-            CompareSizes($"This is a very simple{GenericFont.OneEmSpace}test string");
+            CompareSizes($"This is a very simple{GenericFont.Emsp}test string");
             CompareSizes($"This is a very simple{GenericFont.Zwsp}test string");
 
-            Assert.AreEqual(new Vector2(this.font.LineHeight, this.font.LineHeight), this.font.MeasureString(GenericFont.OneEmSpace.ToCachedString()));
+            Assert.AreEqual(new Vector2(this.font.LineHeight, this.font.LineHeight), this.font.MeasureString(GenericFont.Emsp.ToCachedString()));
             Assert.AreEqual(new Vector2(0, this.font.LineHeight), this.font.MeasureString(GenericFont.Zwsp.ToCachedString()));
         }
 

Tests/TestGame.cs

@@ -8,8 +8,7 @@ namespace Tests {
 
         public RawContentManager RawContent { get; private set; }
 
-        private TestGame() {
+        private TestGame() {}
-        }
 
         protected override void LoadContent() {
             base.LoadContent();

Tests/Tests.csproj

@@ -3,7 +3,7 @@
         <TargetFramework>net5.0</TargetFramework>
         <VSTestLogger>nunit</VSTestLogger>
     </PropertyGroup>
-
+    
     <ItemGroup>
         <ProjectReference Include="..\MLEM.Startup\MLEM.Startup.csproj" />
         <ProjectReference Include="..\MLEM.Data\MLEM.Data.csproj" />
@@ -14,18 +14,19 @@
     <ItemGroup>
         <PackageReference Include="MonoGame.Framework.DesktopGL" Version="3.8.0.1641" />
         <PackageReference Include="coverlet.collector" Version="3.1.0">
-          <PrivateAssets>all</PrivateAssets>
+            <PrivateAssets>all</PrivateAssets>
-          <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+            <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.0.0" />
+        <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
         <PackageReference Include="NUnit" Version="3.13.2" />
-        <PackageReference Include="NUnit3TestAdapter" Version="4.1.0" />
+        <PackageReference Include="NUnit3TestAdapter" Version="4.2.0" />
         <PackageReference Include="NunitXml.TestLogger" Version="3.0.117" />
     </ItemGroup>
     
     <ItemGroup>
-      <Content Include="Content/**">
+        <Content Include="Content/**">
-        <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
-      </Content>
+        </Content>
     </ItemGroup>
 </Project>

Tests/TexturePackerTests.cs

@@ -80,8 +80,7 @@ namespace Tests {
             Assert.AreEqual(170, packer4.PackedTexture.Height);
         }
 
-        private static void StubResult(TextureRegion region) {
+        private static void StubResult(TextureRegion region) {}
-        }
 
     }
 }

build.cake

@@ -2,7 +2,7 @@
 #tool docfx.console&version=2.58.9
 
 // this is the upcoming version, for prereleases
-var version = Argument("version", "5.2.0");
+var version = Argument("version", "5.3.0");
 var target = Argument("target", "Default");
 var branch = Argument("branch", "main");
 var config = Argument("configuration", "Release");