Звуковая подсистема, звуки шагов, музыка.

scripts/AudioCollection.cs

@@ -0,0 +1,86 @@
+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;
+		}
+	}
+}

scripts/Player.cs

@@ -69,6 +69,7 @@ public partial class Player : CharacterBody2D
 	protected AnimatedSprite2D Sprite;
 	protected PanelContainer ChatLog;
 	protected Camera2D Camera;
+	protected AudioCollection Footsteps;
 
 	private Vector2 _newPosition;
 	private double _currentTransitionTime = 0;
@@ -82,6 +83,7 @@ public partial class Player : CharacterBody2D
 		Sprite = (AnimatedSprite2D)FindChild("AnimatedSprite2D");
 		ChatLog = (PanelContainer)FindChild("ChatLog");
 		Camera = (Camera2D)FindChild("Camera2D");
+		Footsteps = (AudioCollection)FindChild("Footsteps");
 	}
 
 	public override void _PhysicsProcess(double delta)
@@ -118,6 +120,12 @@ public partial class Player : CharacterBody2D
 				Vector2 direction = Input.GetVector("move_left", "move_right", "move_up", "move_down");
 				if (direction != Vector2.Zero)
 				{
+					Footsteps.Play();
+					// if (!Footsteps.IsPlaying())
+					// {
+					// 	// Footsteps.PitchScale = (float)GD.RandRange(0.5, 1.0);
+					// 	Footsteps.Play();
+					// }
 					velocity.X = direction.X * Speed;
 					Sprite.Play("walk");
 					Sprite.FlipH = direction.X switch
@@ -129,6 +137,7 @@ public partial class Player : CharacterBody2D
 				}
 				else
 				{
+					// Footsteps.Stop();
 					velocity.X = Mathf.MoveToward(Velocity.X, 0, Speed);
 					Sprite.Play("default");
 				}