Base Update() method was removed from components in engine, added some basic ECS systems to update the components. (#79)

Content.Server/GameObjects/EntitySystems/DoorSystem.cs

@@ -0,0 +1,22 @@
+using SS14.Shared.GameObjects;
+using SS14.Shared.GameObjects.System;
+
+namespace Content.Server.GameObjects.EntitySystems
+{
+    class DoorSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            EntityQuery = new TypeEntityQuery(typeof(ServerDoorComponent));
+        }
+
+        public override void Update(float frameTime)
+        {
+            foreach (var entity in RelevantEntities)
+            {
+                var comp = entity.GetComponent<ServerDoorComponent>();
+                comp.OnUpdate(frameTime);
+            }
+        }
+    }
+}

Content.Server/GameObjects/EntitySystems/PowerApcSystem.cs

@@ -0,0 +1,23 @@
+using Content.Server.GameObjects.Components.Power;
+using SS14.Shared.GameObjects;
+using SS14.Shared.GameObjects.System;
+
+namespace Content.Server.GameObjects.EntitySystems
+{
+    class PowerApcSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            EntityQuery = new TypeEntityQuery(typeof(ApcComponent));
+        }
+
+        public override void Update(float frameTime)
+        {
+            foreach (var entity in RelevantEntities)
+            {
+                var comp = entity.GetComponent<ApcComponent>();
+                comp.OnUpdate();
+            }
+        }
+    }
+}

Content.Server/GameObjects/EntitySystems/PowerSmesSystem.cs

@@ -0,0 +1,23 @@
+using Content.Server.GameObjects.Components.Power;
+using SS14.Shared.GameObjects;
+using SS14.Shared.GameObjects.System;
+
+namespace Content.Server.GameObjects.EntitySystems
+{
+    internal class PowerSmesSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            EntityQuery = new TypeEntityQuery(typeof(SmesComponent));
+        }
+        
+        public override void Update(float frameTime)
+        {
+            foreach (var entity in RelevantEntities)
+            {
+                var comp = entity.GetComponent<SmesComponent>();
+                comp.OnUpdate();
+            }
+        }
+    }
+}

Content.Server/GameObjects/EntitySystems/PowerSystem.cs

@@ -2,11 +2,8 @@
 using SS14.Shared.GameObjects.System;
 using SS14.Shared.Interfaces.GameObjects;
 using SS14.Shared.IoC;
-using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using SS14.Shared.GameObjects;
 
 namespace Content.Shared.GameObjects.EntitySystems
 {
@@ -18,6 +15,11 @@ namespace Content.Shared.GameObjects.EntitySystems
 
         private int _lastUid = 0;
 
+        public PowerSystem()
+        {
+            EntityQuery = new TypeEntityQuery(typeof(PowerDeviceComponent));
+        }
+
         public override void Initialize()
         {
             base.Initialize();
@@ -61,8 +63,9 @@ namespace Content.Shared.GameObjects.EntitySystems
             }
 
             // Draw power for devices not connected to anything.
-            foreach (var device in componentManager.GetComponents<PowerDeviceComponent>())
+            foreach (var entity in EntityManager.GetEntities(EntityQuery))
             {
+                var device = entity.GetComponent<PowerDeviceComponent>();
                 device.ProcessInternalPower(frametime);
             }
         }

Content.Server/GameObjects/EntitySystems/WelderSystem.cs

@@ -0,0 +1,23 @@
+using Content.Server.GameObjects.Components.Interactable.Tools;
+using SS14.Shared.GameObjects;
+using SS14.Shared.GameObjects.System;
+
+namespace Content.Server.GameObjects.EntitySystems
+{
+    class WelderSystem : EntitySystem
+    {
+        public override void Initialize()
+        {
+            EntityQuery = new TypeEntityQuery(typeof(WelderComponent));
+        }
+
+        public override void Update(float frameTime)
+        {
+            foreach (var entity in RelevantEntities)
+            {
+                var comp = entity.GetComponent<WelderComponent>();
+                comp.OnUpdate(frameTime);
+            }
+        }
+    }
+}