Added Comments

Firebird2D.EventPipelines/EventArguments/FirebirdJoystickButtonEventArgs.cs

@@ -0,0 +1,19 @@
+using SFML.Window;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Firebird2D.EventPipelines.EventArguments
+{
+    public class FirebirdJoystickButtonEventArgs : JoystickButtonEventArgs
+    {
+        public InputEventType InputEventType { get; private set; }
+
+        public FirebirdJoystickButtonEventArgs(JoystickButtonEvent e, InputEventType t) : base(e)
+        {
+            InputEventType = t;
+        }
+    }
+}

Firebird2D.EventPipelines/EventArguments/FirebirdKeyEventArgs.cs

@@ -0,0 +1,19 @@
+using SFML.Window;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Firebird2D.EventPipelines.EventArguments
+{
+    public class FirebirdKeyEventArgs : KeyEventArgs
+    {
+        public InputEventType InputEventType { get; private set; }
+
+        public FirebirdKeyEventArgs(KeyEvent e, InputEventType t) : base(e)
+        {
+            InputEventType = t;
+        }
+    }
+}

Firebird2D.EventPipelines/EventArguments/FirebirdMouseButtonEventArgs.cs

@@ -0,0 +1,19 @@
+using SFML.Window;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Firebird2D.EventPipelines.EventArguments
+{
+    public class FirebirdMouseButtonEventArgs : MouseButtonEventArgs
+    {
+        public InputEventType InputEventType { get; private set; }
+
+        public FirebirdMouseButtonEventArgs(MouseButtonEvent e,InputEventType t) : base(e)
+        {
+            InputEventType = t;
+        }
+    }
+}

Firebird2D.EventPipelines/EventArguments/InputEventType.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Firebird2D.EventPipelines.EventArguments
+{
+    public enum InputEventType
+    {
+        Pressed = 0,
+        Released = 1
+    }
+}

Firebird2D.EventPipelines/EventBus.cs

@@ -6,13 +6,26 @@ using System.Threading.Tasks;
 
 namespace Firebird2D.EventPipelines
 {
+    /// <summary>
+    /// EventBus manages event pipelines and allows registering callbacks (hooks) if a pipeline is not Build Yet, as well as creating, retrieving, and destroying pipelines.
+    /// </summary>
     public class EventBus
     {
+        // Dictionary that stores various pipelines for specific FirebirdEvents.
+        // The key is the event, and the value is the corresponding pipeline.
         private Dictionary<FirebirdEvent, I_Pipeline> pipelines = new();
 
+        // Dictionary that stores a list of callbacks for each FirebirdEvent.
+        // These callbacks will be invoked when the event's pipeline is build.
         private Dictionary<FirebirdEvent, List<Action<I_Pipeline>>> pendingHooks = new();
 
-        public void OnPipelineExists<T>(Action<I_Pipeline> callback, FirebirdEvent type)
+        /// <summary>
+        /// Registers a callback (hook) for a specific event. The callback will be invoked when the pipeline for this event is built.
+        /// </summary>
+        /// <param name="callback">The function to be called when the pipeline for the event is built.</param>
+        /// <param name="type">The event for which the callback should be registered.</param>
+        /// <exception cref="ArgumentNullException">Thrown when the callback is null.</exception>
+        public void OnPipelineIsBuild(Action<I_Pipeline> callback, FirebirdEvent type)
         {
             if (callback == null) throw new ArgumentNullException(nameof(callback));
 
@@ -25,6 +38,15 @@ namespace Firebird2D.EventPipelines
             hookList.Add(callback);
         }
 
+        /// <summary>
+        /// Attempts to create or retrieve a pipeline for the given event.
+        /// If the pipeline already exists, it is returned.
+        /// Otherwise, a new pipeline is created and stored.
+        /// </summary>
+        /// <param name="type">The event for which the pipeline should be created or retrieved.</param>
+        /// <param name="argsType">The type of the arguments to be passed to the pipeline.</param>
+        /// <param name="master">The master object used when creating the pipeline.</param>
+        /// <returns>The pipeline for the given event.</returns>
         public I_Pipeline GetOrBuildPipeline(FirebirdEvent type, Type argsType, object master)
         {
             if (pipelines.TryGetValue(type, out var pipeline)) return pipeline;
@@ -35,12 +57,24 @@ namespace Firebird2D.EventPipelines
             return pipelineInstance;
         }
 
+        /// <summary>
+        /// Retrieves the pipeline for an event if it exists; otherwise, returns null.
+        /// </summary>
+        /// <param name="type">The event for which the pipeline should be retrieved.</param>
+        /// <param name="argsType">The type of the arguments for the pipeline.</param>
+        /// <returns>The pipeline for the event, or null if it does not exist.</returns>
         public I_Pipeline? GetPipeline(FirebirdEvent type, Type argsType)
         {
             if (!pipelines.TryGetValue(type, out var pipeline)) return null;
             return pipeline;
         }
 
+        /// <summary>
+        /// Destroys the pipeline for an event. Only the "master" of the pipeline is allowed to destroy it.
+        /// </summary>
+        /// <param name="type">The event for which the pipeline should be destroyed.</param>
+        /// <param name="master">The master object that has permission to destroy the pipeline.</param>
+        /// <exception cref="InvalidDataException">Thrown when a non-authorized user attempts to destroy the pipeline.</exception>
         public void DestroyPipeline(FirebirdEvent type, object master)
         {
             if (!pipelines.ContainsKey(type)) return;

Firebird2D.EventPipelines/Firebird2D.EventPipelines.csproj

@@ -10,8 +10,4 @@
     <PackageReference Include="SFML.Net" Version="2.6.1" />
   </ItemGroup>
 
-  <ItemGroup>
-    <Folder Include="EventArguments\" />
-  </ItemGroup>
-
 </Project>

Firebird2D.EventPipelines/I_Pipeline.cs

@@ -6,11 +6,29 @@ using System.Threading.Tasks;
 
 namespace Firebird2D.EventPipelines
 {
+    /// <summary>
+    /// Interface for the Firebird event Pipeline
+    /// </summary>
     public interface I_Pipeline
     {
+        /// <summary>
+        /// Class witch owns the Pipeline and has the right to send events or delete the pipeline
+        /// </summary>
         object PipelineMaster { get; }
+        /// <summary>
+        /// Check if no one subscribed to the event
+        /// </summary>
         bool IsEventEmpty { get; }
+        /// <summary>
+        /// Subscribe to this event Pipeline
+        /// </summary>
+        /// <param name="handler">Handler witch should be Invoked when the event is send</param>
         void Subscribe(Delegate handler);
+
+        /// <summary>
+        /// Unsubscribe from this event Pipeline
+        /// </summary>
+        /// <param name="handler">Handler witch should be removed from the Pipeline</param>
         void Unsubscribe(Delegate handler);
 
     }

Firebird2D.EventPipelines/Pipeline.cs

@@ -8,29 +8,60 @@ using System.Threading.Tasks;
 
 namespace Firebird2D.EventPipelines
 {
+    /// <summary>
+    /// Eventpypeline which transports an event to every Subscyber
+    /// </summary>
+    /// <typeparam name="T">Event Arguments for the Pipeline event</typeparam>
     public class Pipeline <T> : I_Pipeline where T : EventArgs
     {
+        /// <summary>
+        /// Class witch owns the Pipeline and has the right to send events or delete the pipeline
+        /// </summary>
         public object PipelineMaster { get; }
 
+        //EventHandler to which the subscribers subribe.
         private event EventHandler<T>? OnEvent;
 
+        /// <summary>
+        /// Pipeline Constructor
+        /// </summary>
+        /// <param name="pipelineMaster">Every pipeline needs a Master which is able to send events or Destroy the pipeline</param>
         public Pipeline(object pipelineMaster)
         {
             PipelineMaster = pipelineMaster;
         }
 
+        /// <summary>
+        /// Check if no one subscribed to the event
+        /// </summary>
         public bool IsEventEmpty { get {  return OnEvent != null; } }
 
+        /// <summary>
+        /// Subscribe to this event Pipeline
+        /// </summary>
+        /// <param name="handler">Handler witch should be Invoked when the event is send</param>
         public void Subscribe(Delegate handler)
         {
             OnEvent += (EventHandler<T>)handler;
         }
 
+        /// <summary>
+        /// Unsubscribe from this event Pipeline
+        /// </summary>
+        /// <param name="handler">Handler witch should be removed from the Pipeline</param>
         public void Unsubscribe(Delegate handler)
         {
             OnEvent -= (EventHandler<T>)handler;
         }
 
+        /// <summary>
+        /// Method to send an event through the pipeline
+        /// </summary>
+        /// <param name="sender">Sneder object must be Pipelinemaster or the Pipeline throws an exception</param>
+        /// <param name="args">Arguments that should be sent</param>
+        /// <exception cref="ArgumentNullException">Exception when sender or arguments ar null</exception>
+        /// <exception cref="ArgumentException">Exception wehn Arguments are not equal the Pipeline type</exception>
+        /// <exception cref="InvalidDataException">Exception when sender is not Pipeline master</exception>
         public void SendEvent(object sender, T args)
         {
             if (sender == null || args == null) throw new ArgumentNullException(nameof(sender));

Firebird2D.KeyMapper/KeyMapper.cs

@@ -1,22 +1,28 @@
-using Firebird2D.EventPipelines;
-using SFML.System;
+using Firebird2D.EventPipelines.EventArguments;
+using Firebird2D.EventPipelines;
 using SFML.Window;
 using System.Runtime.CompilerServices;
 using System.Text.Json;
 
-
 namespace Firebird2D.KeyMapping
 {
+    /// <summary>
+    /// Maps input events (keyboard, mouse, joystick) to custom Firebird events and manages their pipelines.
+    /// </summary>
     public class KeyMapper
     {
         private EventBus eventBus;
 
+        // Stores registered input events by name.
         private Dictionary<string, Delegate> inputEvents = [];
 
+        // Stores the expected argument type for each input event.
         private Dictionary<string, Type> eventTypes = [];
 
+        // Maps event names to FirebirdEvent identifiers.
         private Dictionary<string, FirebirdEvent> inputMapping = [];
 
+        // Caches active pipelines for performance.
         private Dictionary<FirebirdEvent, I_Pipeline> cachedPipelines = [];
 
         public KeyMapper(EventBus eventBus)
@@ -25,31 +31,40 @@ namespace Firebird2D.KeyMapping
             this.eventBus = eventBus;
         }
 
+        /// <summary>
+        /// Registers an input event with its handler and links it to a FirebirdEvent.
+        /// </summary>
         public void RegisterEvent<T>(string EventName, EventHandler<T> handler, FirebirdEvent eventNumber) where T : EventArgs
         {
-            if (inputEvents.ContainsKey(EventName)) throw new ArgumentException($"Event {EventName} exist Already.");
+            if (inputEvents.ContainsKey(EventName))
+                throw new ArgumentException($"Event {EventName} already exists.");
+
             inputEvents.Add(EventName, handler);
-
             eventTypes.Add(EventName, typeof(T));
-
             Map(EventName, eventNumber);
         }
 
+        /// <summary>
+        /// Maps an existing input event to a new FirebirdEvent.
+        /// </summary>
         public void Map(string EventName, FirebirdEvent eventNumber)
         {
             if (inputMapping.ContainsKey(EventName))
             {
                 RemoveMapping(EventName);
                 inputMapping[EventName] = eventNumber;
-                AjustPipeline(EventName, eventNumber);
             }
             else
             {
                 inputMapping.Add(EventName, eventNumber);
-                AjustPipeline(EventName, eventNumber);
             }
+
+            AjustPipeline(EventName, eventNumber);
         }
 
+        /// <summary>
+        /// Removes the current mapping and unsubscribes from the pipeline.
+        /// </summary>
         private void RemoveMapping(string EventName)
         {
             if (!inputMapping.TryGetValue(EventName, out var firebirdEvent)) return;
@@ -66,9 +81,13 @@ namespace Firebird2D.KeyMapping
                     cachedPipelines.Remove(firebirdEvent);
                 }
             }
+
             inputMapping.Remove(EventName);
         }
 
+        /// <summary>
+        /// Creates or adjusts a pipeline to reflect current mappings.
+        /// </summary>
         private void AjustPipeline(string EventName, FirebirdEvent eventNumber)
         {
             if (!eventTypes.TryGetValue(EventName, out var type)) return;
@@ -77,17 +96,23 @@ namespace Firebird2D.KeyMapping
             pipeline.Subscribe(inputEvents[EventName]);
         }
 
+        /// <summary>
+        /// Serializes and saves the current mapping to a file.
+        /// </summary>
         public void SaveMapping(string Path)
         {
             string json = JsonSerializer.Serialize(inputMapping);
             File.WriteAllText(Path, json);
         }
 
+        /// <summary>
+        /// Loads and applies an input mapping from a JSON file.
+        /// </summary>
         public void LoadMapping(string Path)
         {
             string json = File.ReadAllText(Path);
             Dictionary<string, FirebirdEvent>? keyValuePairs = JsonSerializer.Deserialize<Dictionary<string, FirebirdEvent>>(json);
-            if (keyValuePairs == null) throw new FileLoadException("Unable to deserialize Inputmapping");
+            if (keyValuePairs == null) throw new FileLoadException("Unable to deserialize input mapping.");
 
             cachedPipelines.Clear();
 
@@ -107,12 +132,17 @@ namespace Firebird2D.KeyMapping
             }
         }
 
+        /// <summary>
+        /// Removes a pipeline from the internal cache.
+        /// </summary>
         public void InvalidatePipelineCache(FirebirdEvent fbEvent)
         {
             cachedPipelines.Remove(fbEvent);
         }
 
-
+        /// <summary>
+        /// Retrieves a cached pipeline or fetches and caches it.
+        /// </summary>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         private Pipeline<T>? GetOrCachePipeline<T>(FirebirdEvent fbEvent) where T : EventArgs
         {
@@ -127,31 +157,45 @@ namespace Firebird2D.KeyMapping
             return pipeline;
         }
 
-
-        public void HandleKeyboardInput(KeyEvent key)
+        /// <summary>
+        /// Handles a keyboard input and dispatches the event.
+        /// </summary>
+        public void HandleKeyboardInput(KeyEvent key, InputEventType type)
         {
-            var pipeline = GetOrCachePipeline<KeyEventArgs>((FirebirdEvent)key.Code);
-            pipeline?.SendEvent(this, new KeyEventArgs(key));
+            var pipeline = GetOrCachePipeline<FirebirdKeyEventArgs>((FirebirdEvent)key.Code);
+            pipeline?.SendEvent(this, new FirebirdKeyEventArgs(key, type));
         }
 
-        public void HandleMouseInput(MouseButtonEvent button)
+        /// <summary>
+        /// Handles a mouse button input and dispatches the event.
+        /// </summary>
+        public void HandleMouseInput(MouseButtonEvent button, InputEventType type)
         {
-            var pipeline = GetOrCachePipeline<MouseButtonEventArgs>((FirebirdEvent)(button.Button + 101));
-            pipeline?.SendEvent(this, new MouseButtonEventArgs(button));
+            var pipeline = GetOrCachePipeline<FirebirdMouseButtonEventArgs>((FirebirdEvent)(button.Button + 101));
+            pipeline?.SendEvent(this, new FirebirdMouseButtonEventArgs(button, type));
         }
 
-        public void HandleJoystickButtonInput(JoystickButtonEvent joystickButton)
+        /// <summary>
+        /// Handles a joystick button press and dispatches the event.
+        /// </summary>
+        public void HandleJoystickButtonInput(JoystickButtonEvent joystickButton, InputEventType type)
         {
-            var pipeline = GetOrCachePipeline<JoystickButtonEventArgs>(FirebirdEvent.JoystickButton);
-            pipeline?.SendEvent(this, new JoystickButtonEventArgs(joystickButton));
+            var pipeline = GetOrCachePipeline<FirebirdJoystickButtonEventArgs>(FirebirdEvent.JoystickButton);
+            pipeline?.SendEvent(this, new FirebirdJoystickButtonEventArgs(joystickButton, type));
         }
 
+        /// <summary>
+        /// Handles mouse movement and dispatches the event.
+        /// </summary>
         public void HandleMouseMovement(MouseMoveEvent mouseMove)
         {
             var pipeline = GetOrCachePipeline<MouseMoveEventArgs>(FirebirdEvent.MouseMove);
             pipeline?.SendEvent(this, new MouseMoveEventArgs(mouseMove));
         }
 
+        /// <summary>
+        /// Handles joystick movement and dispatches the event.
+        /// </summary>
         public void HandleJoytickMove(JoystickMoveEvent joystickMove)
         {
             var pipeline = GetOrCachePipeline<JoystickMoveEventArgs>(FirebirdEvent.JoystickMove);