Звуковая подсистема, звуки шагов, музыка.

scripts/AudioCollection.cs

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+using System;
+using Godot;
+
+
+public partial class AudioCollection : Node
+{
+	private enum State
+	{
+		Error,
+		Ready,
+		Playing,
+		Timeout
+	}
+
+	[Export] public bool Shuffle = false;
+	[Export] public double Timeout = 0;
+
+	private State _state;
+
+	private RandomNumberGenerator _rng = new RandomNumberGenerator();
+
+	private int _count;
+
+	private int _currentChild;
+
+	private double _currentTimeout = 0;
+	
+	private AudioStreamPlayer _currentPlayer;
+	
+	public override void _Ready()
+	{
+		_rng.Randomize();
+		_count = GetChildCount();
+		_currentChild = Shuffle ? _rng.RandiRange(0, _count) : 0;
+		_state = _count == 0 ? State.Error : State.Ready;
+	}
+	
+	public override void _Process(double delta)
+	{
+		switch (_state)
+		{
+			case State.Playing:
+				if (!_currentPlayer.IsPlaying())
+				{
+					_state = State.Timeout;
+				}
+
+				break;
+			case State.Timeout:
+				if (_currentTimeout < Timeout)
+				{
+					_currentTimeout += delta;
+				}
+				else
+				{
+					_state = State.Ready;
+					_currentTimeout = 0;
+				}
+				break;
+		}
+	}
+
+	public void Play()
+	{
+		switch (_state)
+		{
+			case State.Ready:
+				var player = GetChild<AudioStreamPlayer>(_currentChild);
+				player.Play();
+				_state = State.Playing;
+				_currentChild = Shuffle ? _rng.RandiRange(0, _count) : 0;
+				_currentPlayer = player;
+				break;
+		}
+	}
+
+	public void Stop()
+	{
+		switch (_state)
+		{
+			case State.Playing:
+				_currentPlayer.Stop();
+				break;
+		}
+	}
+}