Реализация живого доспеха

scripts/enemies/LivingArmor.cs

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+using Godot;
+using System;
+
+public partial class LivingArmor : CharacterBody2D
+{
+	public enum State
+	{
+		Waiting,
+		Moving,
+		Attack
+	}
+	
+	public enum SideFace
+	{
+		Left,
+		Up,
+		Right,
+		Down
+	}
+	
+	[Export] public SideFace Facing = SideFace.Down;
+	[Export] public float MovingSpeed = 16f;
+	
+	public State CurrentState
+	{
+		get => _state;
+
+		private set
+		{
+			_state = value;
+			_timeSinceState = 0;
+
+			switch (_state)
+			{
+				case State.Waiting:
+					break;
+				case State.Moving:
+					break;
+				case State.Attack:
+					break;
+			}
+		}
+	}
+
+	private State _state;
+	private float _timeSinceState;
+	private AnimatedSprite2D _sprite;
+	private bool _isLitUp;
+
+	public override void _Ready()
+	{
+		_sprite = (AnimatedSprite2D)FindChild("AnimatedSprite2D");
+		CurrentState = State.Waiting;
+		var animationName = "side_walk";
+		switch (Facing)
+		{
+			case SideFace.Left:
+				_sprite.FlipH = true;
+				break;
+			case SideFace.Right:
+				break;
+			case SideFace.Up:
+				animationName = "up_walk";
+				break;
+			case SideFace.Down:
+				animationName = "down_walk";
+				break;
+		}
+		_sprite.Play(animationName);
+		_sprite.Stop();
+	}
+
+	public override void _Process(double delta)
+	{
+	}
+
+	public override void _PhysicsProcess(double delta)
+	{
+		_timeSinceState += (float)delta;
+
+		switch (_state)
+		{
+			case State.Attack:
+				break;
+			case State.Waiting:
+				_sprite.Stop();
+				break;
+
+			case State.Moving:
+				var direction = (Player.Instance.Position - Position).Normalized();
+				Velocity = direction * MovingSpeed;
+
+				var animationName = "side_walk";
+
+				if (Velocity.Y > 0.001f)
+					animationName = "down_walk";
+				else if (Velocity.Y < 0.001f)
+					animationName = "up_walk";
+
+				if (Mathf.Abs(Velocity.X) >= Mathf.Abs(Velocity.Y))
+					animationName = "side_walk";
+
+				_sprite.FlipH = Velocity.X < 0.001f && animationName == "side_walk";
+				_sprite.Play(animationName);
+				MoveAndSlide();
+				//MoveAndCollide(direction);
+				break;
+		}
+		CheckIfLitUp();
+	}
+
+	private void _OnLightEntered(Area2D area)
+	{
+		if (area.GetParentOrNull<GameCamera>() is null)
+			return;
+
+		_isLitUp = true;
+	}
+
+
+	private void _OnPlayerCollision(Node2D body)
+	{
+		if (body is not Player player)
+			return;
+
+		if (CurrentState is State.Waiting)
+			return;
+
+		player.Kill(this);
+	}
+
+	private void _OnLightExited(Area2D area)
+	{
+		GD.Print("Unlighted");
+		if (area.GetParentOrNull<GameCamera>() is null)
+			return;
+
+		_isLitUp = false;
+	}
+
+	private void _OnPlayerCollisionExited(Node2D body)
+	{
+	}
+
+	void CheckIfLitUp()
+	{
+		if (!_isLitUp)
+		{
+			CurrentState = State.Waiting;
+			return;
+		}
+		
+		if (CurrentState is State.Moving or State.Attack)
+			return;
+
+		CurrentState = State.Moving;
+	}
+}