102 lines
3.0 KiB
C#
102 lines
3.0 KiB
C#
using System;
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using Microsoft.Xna.Framework.Input;
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using Syntriax.Engine.Core;
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using Syntriax.Engine.Network;
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using Syntriax.Engine.Systems.Input;
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namespace Pong.Behaviours;
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public class PongManagerBehaviour : Behaviour, INetworkEntity, IFirstFrameUpdate,
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IPacketListenerServer<PongManagerBehaviour.RequestStartPacket>
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{
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public Action<PongManagerBehaviour>? OnReset { get; set; } = null;
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public Action<PongManagerBehaviour>? OnFinished { get; set; } = null;
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public Action<PongManagerBehaviour>? OnScored { get; set; } = null;
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private Random random = new();
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private BallBehaviour ball = null!;
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private INetworkCommunicatorClient? networkClient = null!;
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private INetworkCommunicatorServer? networkServer = null;
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public int ScoreLeft { get; private set; } = 0;
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public int ScoreRight { get; private set; } = 0;
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public int ScoreSum => ScoreLeft + ScoreRight;
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public int WinScore { get; } = 5;
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public PongManagerBehaviour() => WinScore = 5;
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public PongManagerBehaviour(int winScore) => WinScore = winScore;
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public void FirstActiveFrame()
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{
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IButtonInputs<Keys> buttonInputs = Universe.FindRequired<IButtonInputs<Keys>>();
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buttonInputs.RegisterOnRelease(Keys.Space, (_, _1) => networkClient?.SendToServer(new RequestStartPacket()));
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ball = Universe.FindRequiredBehaviour<BallBehaviour>();
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networkClient = Universe.FindBehaviour<INetworkCommunicatorClient>();
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networkServer = Universe.FindBehaviour<INetworkCommunicatorServer>();
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}
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public void ScoreToLeft()
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{
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ScoreLeft++;
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OnScored?.Invoke(this);
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CheckFinish();
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}
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public void ScoreToRight()
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{
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ScoreRight++;
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OnScored?.Invoke(this);
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CheckFinish();
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}
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public void Reset()
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{
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ScoreLeft = ScoreRight = 0;
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ball.ResetBall();
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ball.LaunchBall(GetBallLaunchDirection());
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OnReset?.Invoke(this);
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}
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private void CheckFinish()
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{
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int halfwayScore = (int)(WinScore * .5f);
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ball.ResetBall();
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if (ScoreLeft > halfwayScore || ScoreRight > halfwayScore)
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{
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OnFinished?.Invoke(this);
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return;
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}
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ball.ResetBall();
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ball.LaunchBall(GetBallLaunchDirection());
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}
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private Vector2D GetBallLaunchDirection()
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{
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const float AllowedRadians = 45f * Syntriax.Engine.Core.Math.DegreeToRadian;
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float rotation = (float)random.NextDouble() * 2f * AllowedRadians - AllowedRadians;
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bool isBackwards = (random.Next() % 2) == 1;
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return Vector2D.Right.Rotate(isBackwards ? rotation + Syntriax.Engine.Core.Math.PI : rotation);
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}
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void IPacketListenerServer<RequestStartPacket>.OnServerPacketArrived(string sender, RequestStartPacket packet)
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{
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if (ball.RigidBody.Velocity.MagnitudeSquared > 0.01f)
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return;
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ball.LaunchBall(GetBallLaunchDirection());
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}
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private class RequestStartPacket : INetworkPacket;
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}
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