Initial commit

Assets/Scripts/TowerHealth.cs

@@ -0,0 +1,67 @@
+using System;
+using UnityEngine;
+using UnityEngine.Events;
+
+public class TowerHealth : MonoBehaviour
+{
+    [SerializeField] private float _maxHealth = 100f;
+    [SerializeField] private float _currentHealth = 100f;
+    
+    [SerializeField] private UnityEvent<OnHealthChangedEventArgs> _onHealthChanged;
+    
+    public event UnityAction<OnHealthChangedEventArgs> OnHealthChanged
+    {
+        add => _onHealthChanged.AddListener(value);
+        remove => _onHealthChanged.RemoveListener(value);
+    }
+
+    public float MaxHealth
+    {
+        get => _maxHealth;
+        private set
+        {
+            _maxHealth = value;
+            _onHealthChanged?.Invoke(new(_currentHealth, _maxHealth));
+        }
+    }
+
+    public float CurrentHealth
+    {
+        get => _currentHealth;
+        private set
+        {
+            _currentHealth = value;
+            _onHealthChanged?.Invoke(new(_currentHealth, _maxHealth));
+        }
+    }
+
+    private void OnTriggerEnter(Collider other)
+    {
+        if (!other.TryGetComponent(out Enemy enemy))
+            return;
+
+        TakeDamage(enemy.Damage);
+        Destroy(enemy.gameObject);
+    }
+
+    public void TakeDamage(float damage)
+    {
+        CurrentHealth -= damage;
+
+        // TODO: доделать проигрыш
+        if (CurrentHealth <= 0)
+            Debug.Log("Game over");
+    }
+
+    public class OnHealthChangedEventArgs : EventArgs
+    {
+        public readonly float CurrentHealth;
+        public readonly float MaxHealth;
+
+        public OnHealthChangedEventArgs(float currentHealth, float maxHealth)
+        {
+            CurrentHealth = currentHealth;
+            MaxHealth = maxHealth;
+        }
+    }
+}