Re-organize all projects (#4166)

Content.Server/Research/ResearchSystem.cs

@@ -0,0 +1,83 @@
+using System.Collections.Generic;
+using Content.Server.Research.Components;
+using JetBrains.Annotations;
+using Robust.Shared.GameObjects;
+
+namespace Content.Server.Research
+{
+    [UsedImplicitly]
+    public class ResearchSystem : EntitySystem
+    {
+        private const float ResearchConsoleUIUpdateTime = 30f;
+
+        private float _timer = ResearchConsoleUIUpdateTime;
+        private readonly List<ResearchServerComponent> _servers = new();
+        public IReadOnlyList<ResearchServerComponent> Servers => _servers;
+
+        public bool RegisterServer(ResearchServerComponent server)
+        {
+            if (_servers.Contains(server)) return false;
+            _servers.Add(server);
+            return true;
+        }
+
+        public void UnregisterServer(ResearchServerComponent server)
+        {
+            _servers.Remove(server);
+        }
+
+        public ResearchServerComponent? GetServerById(int id)
+        {
+            foreach (var server in Servers)
+            {
+                if (server.Id == id) return server;
+            }
+
+            return null;
+        }
+
+        public string[] GetServerNames()
+        {
+            var list = new string[Servers.Count];
+
+            for (var i = 0; i < Servers.Count; i++)
+            {
+                list[i] = Servers[i].ServerName;
+            }
+
+            return list;
+        }
+
+        public int[] GetServerIds()
+        {
+            var list = new int[Servers.Count];
+
+            for (var i = 0; i < Servers.Count; i++)
+            {
+                list[i] = Servers[i].Id;
+            }
+
+            return list;
+        }
+
+        public override void Update(float frameTime)
+        {
+            _timer += frameTime;
+
+            foreach (var server in _servers)
+            {
+                server.Update(frameTime);
+            }
+
+            if (_timer >= ResearchConsoleUIUpdateTime)
+            {
+                foreach (var console in ComponentManager.EntityQuery<ResearchConsoleComponent>())
+                {
+                    console.UpdateUserInterface();
+                }
+
+                _timer = 0f;
+            }
+        }
+    }
+}