chore: updated engine

Shared/Behaviours/PongManagerBehaviour.cs

@@ -0,0 +1,61 @@
+using System;
+
+using Microsoft.Xna.Framework.Input;
+
+using Syntriax.Engine.Core;
+using Syntriax.Engine.Systems.Input;
+
+namespace Pong.Behaviours;
+
+public class PongManagerBehaviour : Behaviour
+{
+    public Action<PongManagerBehaviour>? OnReset { get; set; } = null;
+    public Action<PongManagerBehaviour>? OnFinished { get; set; } = null;
+    public Action<PongManagerBehaviour>? OnScored { get; set; } = null;
+
+    public int ScoreLeft { get; private set; } = 0;
+    public int ScoreRight { get; private set; } = 0;
+    public int ScoreSum => ScoreLeft + ScoreRight;
+
+    public int WinScore { get; } = 5;
+
+    public PongManagerBehaviour() => WinScore = 5;
+    public PongManagerBehaviour(int winScore) => WinScore = winScore;
+
+    protected override void OnFirstActiveFrame()
+    {
+        var buttonInputs = GameManager.FindBehaviour<IButtonInputs<Keys>>() ?? throw new("Unable to find inputs");
+        buttonInputs.RegisterOnRelease(Keys.Space, (_, _1) => Reset());
+    }
+
+
+    public void ScoreToLeft()
+    {
+        ScoreLeft++;
+        OnScored?.Invoke(this);
+
+        CheckFinish();
+    }
+
+    public void ScoreToRight()
+    {
+        ScoreRight++;
+        OnScored?.Invoke(this);
+
+        CheckFinish();
+    }
+
+    public void Reset()
+    {
+        ScoreLeft = ScoreRight = 0;
+        OnReset?.Invoke(this);
+    }
+
+    private void CheckFinish()
+    {
+        int halfwayScore = (int)(WinScore * .5f);
+
+        if (ScoreLeft > halfwayScore || ScoreRight > halfwayScore)
+            OnFinished?.Invoke(this);
+    }
+}