Engine-Pong/Game/Behaviours/MovementBoxBehaviour.cs

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C#
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using System;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Input;
using Syntriax.Engine.Core;
using Syntriax.Engine.Input;
namespace Pong.Behaviours;
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public class MovementBoxBehaviour(Keys Up, Keys Down, float High, float Low, float Speed) : BehaviourOverride
{
private Keys Up { get; } = Up;
private Keys Down { get; } = Down;
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public float High { get; } = High;
public float Low { get; } = Low;
public float Speed { get; set; } = Speed;
private bool isUpPressed = false;
private bool isDownPressed = false;
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private IButtonInputs<Keys> inputs = null!;
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protected override void OnUpdate()
{
if (isUpPressed && isDownPressed)
return;
if (isUpPressed)
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GameObject.Transform.Position = GameObject.Transform.Position + Vector2D.Up * (float)Time.Elapsed.TotalSeconds * Speed;
else if (isDownPressed)
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GameObject.Transform.Position = GameObject.Transform.Position + -Vector2D.Up * (float)Time.Elapsed.TotalSeconds * Speed;
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GameObject.Transform.Position = new Vector2D(GameObject.Transform.Position.X, MathF.Max(MathF.Min(GameObject.Transform.Position.Y, High), Low));
}
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protected override void OnFirstActiveFrame()
{
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if (!BehaviourController.TryGetBehaviour<IButtonInputs<Keys>>(out var behaviourResult))
throw new Exception($"{nameof(IButtonInputs<Keys>)} is missing on ${GameObject.Name}.");
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inputs = behaviourResult;
inputs.RegisterOnPress(Up, OnUpPressed);
inputs.RegisterOnRelease(Up, OnUpReleased);
inputs.RegisterOnPress(Down, OnDownPressed);
inputs.RegisterOnRelease(Down, OnDownReleased);
}
protected override void OnFinalize()
{
inputs.UnregisterOnPress(Up, OnUpPressed);
inputs.UnregisterOnRelease(Up, OnUpReleased);
inputs.UnregisterOnPress(Down, OnDownPressed);
inputs.UnregisterOnRelease(Down, OnDownReleased);
}
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private void OnUpPressed(IButtonInputs<Keys> inputs, Keys keys) => isUpPressed = true;
private void OnUpReleased(IButtonInputs<Keys> inputs, Keys keys) => isUpPressed = false;
private void OnDownPressed(IButtonInputs<Keys> inputs, Keys keys) => isDownPressed = true;
private void OnDownReleased(IButtonInputs<Keys> inputs, Keys keys) => isDownPressed = false;
}