Cleanup for ChargerComponent (#11907)

Content.Server/Power/Components/ChargerComponent.cs

@@ -6,104 +6,15 @@ namespace Content.Server.Power.Components
     [RegisterComponent]
     public sealed class ChargerComponent : Component
     {
-        [Dependency] private readonly IEntityManager _entMan = default!;
+        [ViewVariables]
+        public CellChargerStatus Status;
 
         [ViewVariables]
-        public BatteryComponent? HeldBattery;
-
-        [ViewVariables]
-        private CellChargerStatus _status;
-
         [DataField("chargeRate")]
         public int ChargeRate = 20;
 
-        [DataField("chargerSlot", required: true)]
-        public ItemSlot ChargerSlot = new();
-
-        private CellChargerStatus GetStatus()
-        {
-            if (!_entMan.TryGetComponent<TransformComponent>(Owner, out var xform) ||
-                !xform.Anchored ||
-                _entMan.TryGetComponent(Owner, out ApcPowerReceiverComponent? receiver) && !receiver.Powered)
-            {
-                return CellChargerStatus.Off;
-            }
-
-            if (!ChargerSlot.HasItem)
-                return CellChargerStatus.Empty;
-
-            if (HeldBattery != null && Math.Abs(HeldBattery.MaxCharge - HeldBattery.CurrentCharge) < 0.01)
-                return CellChargerStatus.Charged;
-
-            return CellChargerStatus.Charging;
-        }
-
-        public void UpdateStatus()
-        {
-            // Not called UpdateAppearance just because it messes with the load
-            var status = GetStatus();
-            if (_status == status ||
-                !_entMan.TryGetComponent(Owner, out ApcPowerReceiverComponent? receiver))
-            {
-                return;
-            }
-
-            _status = status;
-            _entMan.TryGetComponent(Owner, out AppearanceComponent? appearance);
-
-            switch (_status)
-            {
-                // Update load just in case
-                case CellChargerStatus.Off:
-                    receiver.Load = 0;
-                    appearance?.SetData(CellVisual.Light, CellChargerStatus.Off);
-                    break;
-                case CellChargerStatus.Empty:
-                    receiver.Load = 0;
-                    appearance?.SetData(CellVisual.Light, CellChargerStatus.Empty);
-                    break;
-                case CellChargerStatus.Charging:
-                    receiver.Load = ChargeRate;
-                    appearance?.SetData(CellVisual.Light, CellChargerStatus.Charging);
-                    break;
-                case CellChargerStatus.Charged:
-                    receiver.Load = 0;
-                    appearance?.SetData(CellVisual.Light, CellChargerStatus.Charged);
-                    break;
-                default:
-                    throw new ArgumentOutOfRangeException();
-            }
-
-            appearance?.SetData(CellVisual.Occupied, ChargerSlot.HasItem);
-        }
-
-        public void OnUpdate(float frameTime) //todo: make single system for this
-        {
-            if (_status == CellChargerStatus.Empty || _status == CellChargerStatus.Charged || !ChargerSlot.HasItem)
-                return;
-
-            TransferPower(frameTime);
-        }
-
-        private void TransferPower(float frameTime)
-        {
-            if (_entMan.TryGetComponent(Owner, out ApcPowerReceiverComponent? receiver) &&
-                !receiver.Powered)
-            {
-                return;
-            }
-
-            if (HeldBattery == null)
-                return;
-
-            HeldBattery.CurrentCharge += ChargeRate * frameTime;
-            // Just so the sprite won't be set to 99.99999% visibility
-            if (HeldBattery.MaxCharge - HeldBattery.CurrentCharge < 0.01)
-            {
-                HeldBattery.CurrentCharge = HeldBattery.MaxCharge;
-            }
-
-            UpdateStatus();
-        }
+        [ViewVariables]
+        [DataField("slotId", required: true)]
+        public string SlotId = string.Empty;
     }
 }