Initial commit

Assets/Scripts/Enemy.cs

@@ -0,0 +1,89 @@
+using UnityEngine;
+using UnityEngine.Events;
+using System.Collections.Generic;
+
+public class Enemy : MonoBehaviour
+{
+    [SerializeField] private SandPathBuildService _pathService;
+    [SerializeField] private float _health = 5f;
+    [SerializeField] private float _speed = 1f;
+    [SerializeField] private float _damage = 1f;
+    [SerializeField] private int _killReward = 10;
+    [SerializeField] private UnityEvent<float> _onHealthChanged;
+    [SerializeField] private UnityEvent<OnEnemyDeathEventArgs> _onDeath;
+    
+    private Queue<Vector3> _path;
+    private Vector3 _target;
+
+    public event UnityAction<float> OnHealthChanged
+    {
+        add => _onHealthChanged.AddListener(value);
+        remove => _onHealthChanged.RemoveListener(value);
+    }
+    
+    public event UnityAction<OnEnemyDeathEventArgs> OnDeath
+    {
+        add => _onDeath.AddListener(value);
+        remove => _onDeath.RemoveListener(value);
+    }
+    
+    public SandPathBuildService PathBuildService
+    {
+        get => _pathService;
+        set => _pathService = value;
+    }
+
+    public float Health
+    {
+        get => _health;
+        private set
+        {
+            _health = value;
+            _onHealthChanged?.Invoke(value);
+        }
+    }
+
+    public float Damage { get => _damage; set => _damage = value; }
+
+    private void Start()
+    {
+        _path = new Queue<Vector3>(_pathService.GetPath());
+        _target = _path.Dequeue();
+    }
+
+    private void Update()
+    {
+        if (transform.position == _target)
+        {
+            if (_path.Count == 0) return;
+            _target = _path.Dequeue();
+        }
+        
+        transform.position = Vector3.MoveTowards(transform.position, _target, _speed * Time.deltaTime);
+        transform.LookAt(_target);
+    }
+
+    private void OnTriggerEnter(Collider other)
+    {
+        if (!other.TryGetComponent(out TurretBullet bullet))
+            return;
+        
+        TakeDamage(bullet.Damage);
+        Destroy(other.gameObject);
+    }
+
+    public void TakeDamage(float damage)
+    {
+        Health -= damage;
+        if (Health <= 0f)
+        {
+            _onDeath?.Invoke(new OnEnemyDeathEventArgs { KillReward = _killReward });
+            Destroy(gameObject);
+        }
+    }
+
+    public class OnEnemyDeathEventArgs
+    {
+        public int KillReward { get; set; }
+    }
+}