feat: add README.md for Flakkari4Unity package with usage examples an…

…d documentation

Libraries/Flakkari4Unity/README.md

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+# Flakkari4Unity
+
+Flakkari4Unity is a Unity package that provides a simple way to use Flakkari Protocol in Unity projects to communicate with Flakkari server.
+
+## Usage
+
+```csharp
+using Flakkari4Unity;
+
+public class Example : MonoBehaviour
+{
+    private Flakkari4Unity flakkari;
+    [SerializeField] private string serverIP = "127.0.0.1";
+    [SerializeField] private int serverPort = 54000;
+    [SerializeField] private string gameName = "SpaceWar";
+
+    private readonly Dictionary<CurrentProtocol.EventId, CurrentProtocol.EventState> axisEvents = new(4);
+
+    void Start()
+    {
+        NetworkClient networkClient = gameObject.AddComponent<NetworkClient>();
+        networkClient.Create(serverIP, serverPort, gameName);
+    }
+
+    public void FixedUpdate()
+    {
+        if (networkClient == null && networkClient.Enable)
+            return;
+
+        List<CurrentProtocol.Event> events = new(8);
+        Dictionary<CurrentProtocol.EventId, float> axisValues = new(4);
+
+        Net_HandleMovement(networkClient, ref events, ref axisValues);
+        Net_HandleShooting(networkClient, ref events);
+
+        if (events.Count > 0 || axisValues.Count > 0)
+            networkClient.Send(Flk_API.APIClient.ReqUserUpdates(events, axisValues));
+    }
+
+    private void Net_HandleMovement(NetworkClient networkClient, ref List<CurrentProtocol.Event> events, ref Dictionary<CurrentProtocol.EventId, float> axisValues)
+    {
+        HandleNetworkInput("Fire2", CurrentProtocol.EventId.MOVE_FRONT, ref events);
+        HandleNetworkInput("Fire1", CurrentProtocol.EventId.MOVE_BACK, ref events);
+
+        HandleMouseMovement("Horizontal", CurrentProtocol.EventId.LOOK_LEFT, CurrentProtocol.EventId.LOOK_RIGHT, ref axisValues);
+        HandleMouseMovement("Vertical", CurrentProtocol.EventId.LOOK_DOWN, CurrentProtocol.EventId.LOOK_UP, ref axisValues);
+    }
+
+    private void HandleNetworkInput(string inputName, CurrentProtocol.EventId eventId, ref List<CurrentProtocol.Event> events)
+    {
+        if (Input.GetButtonDown(inputName))
+            events.Add(new CurrentProtocol.Event { id = eventId, state = CurrentProtocol.EventState.PRESSED });
+
+        else if (Input.GetButtonUp(inputName))
+            events.Add(new CurrentProtocol.Event { id = eventId, state = CurrentProtocol.EventState.RELEASED });
+
+    }
+
+    private void HandleMouseMovement(string axisName, CurrentProtocol.EventId negativeEventId, CurrentProtocol.EventId positiveEventId , ref Dictionary<CurrentProtocol.EventId, float> axisValues)
+    {
+        float axisValue = Input.GetAxis(axisName);
+
+        if (axisValue < 0 && axisEvents[negativeEventId] != CurrentProtocol.EventState.PRESSED)
+        {
+            axisEvents[negativeEventId] = CurrentProtocol.EventState.PRESSED;
+            axisEvents[positiveEventId] = CurrentProtocol.EventState.RELEASED;
+            axisValues[negativeEventId] = axisValue;
+            axisValues[positiveEventId] = 0;
+        }
+        else if (axisValue > 0 && axisEvents[positiveEventId] != CurrentProtocol.EventState.PRESSED)
+        {
+            axisEvents[positiveEventId] = CurrentProtocol.EventState.PRESSED;
+            axisEvents[negativeEventId] = CurrentProtocol.EventState.RELEASED;
+            axisValues[positiveEventId] = axisValue;
+            axisValues[negativeEventId] = 0;
+        }
+
+        if (axisValue == 0 && axisEvents[negativeEventId] == CurrentProtocol.EventState.PRESSED)
+        {
+            axisEvents[negativeEventId] = CurrentProtocol.EventState.RELEASED;
+            axisValues[negativeEventId] = 0;
+        }
+        if (axisValue == 0 && axisEvents[positiveEventId] == CurrentProtocol.EventState.PRESSED)
+        {
+            axisEvents[positiveEventId] = CurrentProtocol.EventState.RELEASED;
+            axisValues[positiveEventId] = 0;
+        }
+    }
+
+    private void Net_HandleShooting(NetworkClient networkClient, ref List<CurrentProtocol.Event> events)
+    {
+        if (Time.time - lastShotTime < cooldown)
+            return;
+
+        HandleNetworkInput(KeyCode.Joystick1Button5, CurrentProtocol.EventId.SHOOT, ref events);
+    }
+}
+```
+
+## License
+
+Flakkari4Unity is licensed under the MIT License. See the [LICENSE](LICENSE) file for more information.
+
+## Contact
+
+If you have any questions or feedback, please open an issue on the [GitHub repository](https://github.com/MasterLaplace/Flakkari/issues/new/choose).