init: add project

Assets/_Project/Develop/Runtime/Logic/Gameplay/Entities/EntitiesLifeContext.cs

@@ -0,0 +1,54 @@
+using System;
+using System.Collections.Generic;
+
+namespace _Project.Develop.Runtime.Entities
+{
+    public class EntitiesLifeContext : IDisposable
+    {
+        public event Action<Entity> Added;
+        public event Action<Entity> Released;
+
+        private readonly List<Entity> _entities = new();
+        private readonly List<Entity> _releaseRequests = new();
+
+        public IReadOnlyList<Entity> Entities => _entities;
+
+        public void Add(Entity entity)
+        {
+            _entities.Add(entity);
+
+            entity.Initialize();
+
+            Added?.Invoke(entity);
+        }
+
+        public void Update(float deltaTime)
+        {
+            for (int i = 0; i < _entities.Count; i++)
+                _entities[i].OnUpdate(deltaTime);
+
+            foreach (Entity entity in _releaseRequests)
+            {
+                _entities.Remove(entity);
+                entity.Dispose();
+                Released?.Invoke(entity);
+            }
+
+            _releaseRequests.Clear();
+        }
+
+        public void Release(Entity entity)
+        {
+            _releaseRequests.Add(entity);
+        }
+
+        public void Dispose()
+        {
+            foreach (Entity entity in _entities)
+                entity.Dispose();
+
+            _entities.Clear();
+            _releaseRequests.Clear();
+        }
+    }
+}