Essentials + extra crap

Loadings
Startups
Movement
Camera

Assets/Code/Infrastructure/EventBus/SubscribersList.cs

@@ -0,0 +1,46 @@
+using System.Collections.Generic;
+
+namespace Code.Infrastructure.EventBus
+{
+    internal class SubscribersList<TSubscriber> where TSubscriber : class
+    {
+        private bool m_NeedsCleanUp;
+
+        public bool Executing;
+
+        public readonly List<TSubscriber> List = new(); // TODO Weakptr
+
+        public void Add(TSubscriber subscriber)
+        {
+            List.Add(subscriber);
+        }
+
+        public void Remove(TSubscriber subscriber)
+        {
+            if (Executing)
+            {
+                var i = List.IndexOf(subscriber);
+                if (i >= 0)
+                {
+                    m_NeedsCleanUp = true;
+                    List[i] = null;
+                }
+            }
+            else
+            {
+                List.Remove(subscriber);
+            }
+        }
+
+        public void Cleanup()
+        {
+            if (!m_NeedsCleanUp)
+            {
+                return;
+            }
+
+            List.RemoveAll(s => s == null);
+            m_NeedsCleanUp = false;
+        }
+    }
+}