diff --git a/Content.Shared/Mech/EntitySystems/SharedMechSystem.cs b/Content.Shared/Mech/EntitySystems/SharedMechSystem.cs
deleted file mode 100644
index 2ec48085c47..00000000000
--- a/Content.Shared/Mech/EntitySystems/SharedMechSystem.cs
+++ /dev/null
@@ -1,478 +0,0 @@
-using System.Linq;
-using Content.Shared.Access.Components;
-using Content.Shared.ActionBlocker;
-using Content.Shared.Actions;
-using Content.Shared.Destructible;
-using Content.Shared.DoAfter;
-using Content.Shared.DragDrop;
-using Content.Shared.FixedPoint;
-using Content.Shared.Interaction;
-using Content.Shared.Interaction.Components;
-using Content.Shared.Interaction.Events;
-using Content.Shared.Mech.Components;
-using Content.Shared.Mech.Equipment.Components;
-using Content.Shared.Movement.Components;
-using Content.Shared.Movement.Systems;
-using Content.Shared.Popups;
-using Content.Shared.Weapons.Melee;
-using Content.Shared.Whitelist;
-using Robust.Shared.Containers;
-using Robust.Shared.Network;
-using Robust.Shared.Serialization;
-using Robust.Shared.Timing;
-
-namespace Content.Shared.Mech.EntitySystems;
-
-///
-/// Handles all of the interactions, UI handling, and items shennanigans for
-///
-public abstract class SharedMechSystem : EntitySystem
-{
- [Dependency] private readonly IGameTiming _timing = default!;
- [Dependency] private readonly INetManager _net = default!;
- [Dependency] private readonly ActionBlockerSystem _actionBlocker = default!;
- [Dependency] private readonly SharedActionsSystem _actions = default!;
- [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
- [Dependency] private readonly SharedContainerSystem _container = default!;
- [Dependency] private readonly SharedInteractionSystem _interaction = default!;
- [Dependency] private readonly SharedMoverController _mover = default!;
- [Dependency] private readonly SharedPopupSystem _popup = default!;
- [Dependency] private readonly SharedDoAfterSystem _doAfter = default!;
- [Dependency] private readonly EntityWhitelistSystem _whitelistSystem = default!;
-
- ///
- public override void Initialize()
- {
- SubscribeLocalEvent(OnToggleEquipmentAction);
- SubscribeLocalEvent(OnEjectPilotEvent);
- SubscribeLocalEvent(RelayInteractionEvent);
- SubscribeLocalEvent(OnStartup);
- SubscribeLocalEvent(OnDestruction);
- SubscribeLocalEvent(OnGetAdditionalAccess);
- SubscribeLocalEvent(OnDragDrop);
- SubscribeLocalEvent(OnCanDragDrop);
-
- SubscribeLocalEvent(OnGetMeleeWeapon);
- SubscribeLocalEvent(OnCanAttackFromContainer);
- SubscribeLocalEvent(OnAttackAttempt);
- }
-
- private void OnToggleEquipmentAction(EntityUid uid, MechComponent component, MechToggleEquipmentEvent args)
- {
- if (args.Handled)
- return;
- args.Handled = true;
- CycleEquipment(uid);
- }
-
- private void OnEjectPilotEvent(EntityUid uid, MechComponent component, MechEjectPilotEvent args)
- {
- if (args.Handled)
- return;
- args.Handled = true;
- TryEject(uid, component);
- }
-
- private void RelayInteractionEvent(EntityUid uid, MechComponent component, UserActivateInWorldEvent args)
- {
- var pilot = component.PilotSlot.ContainedEntity;
- if (pilot == null)
- return;
-
- // TODO why is this being blocked?
- if (!_timing.IsFirstTimePredicted)
- return;
-
- if (component.CurrentSelectedEquipment != null)
- {
- RaiseLocalEvent(component.CurrentSelectedEquipment.Value, args);
- }
- }
-
- private void OnStartup(EntityUid uid, MechComponent component, ComponentStartup args)
- {
- component.PilotSlot = _container.EnsureContainer(uid, component.PilotSlotId);
- component.EquipmentContainer = _container.EnsureContainer(uid, component.EquipmentContainerId);
- component.BatterySlot = _container.EnsureContainer(uid, component.BatterySlotId);
- UpdateAppearance(uid, component);
- }
-
- private void OnDestruction(EntityUid uid, MechComponent component, DestructionEventArgs args)
- {
- BreakMech(uid, component);
- }
-
- private void OnGetAdditionalAccess(EntityUid uid, MechComponent component, ref GetAdditionalAccessEvent args)
- {
- var pilot = component.PilotSlot.ContainedEntity;
- if (pilot == null)
- return;
-
- args.Entities.Add(pilot.Value);
- }
-
- private void SetupUser(EntityUid mech, EntityUid pilot, MechComponent? component = null)
- {
- if (!Resolve(mech, ref component))
- return;
-
- var rider = EnsureComp(pilot);
-
- // Warning: this bypasses most normal interaction blocking components on the user, like drone laws and the like.
- var irelay = EnsureComp(pilot);
-
- _mover.SetRelay(pilot, mech);
- _interaction.SetRelay(pilot, mech, irelay);
- rider.Mech = mech;
- Dirty(pilot, rider);
-
- if (_net.IsClient)
- return;
-
- _actions.AddAction(pilot, ref component.MechCycleActionEntity, component.MechCycleAction, mech);
- _actions.AddAction(pilot, ref component.MechUiActionEntity, component.MechUiAction, mech);
- _actions.AddAction(pilot, ref component.MechEjectActionEntity, component.MechEjectAction, mech);
- }
-
- private void RemoveUser(EntityUid mech, EntityUid pilot)
- {
- if (!RemComp(pilot))
- return;
- RemComp(pilot);
- RemComp(pilot);
-
- _actions.RemoveProvidedActions(pilot, mech);
- }
-
- ///
- /// Destroys the mech, removing the user and ejecting all installed equipment.
- ///
- ///
- ///
- public virtual void BreakMech(EntityUid uid, MechComponent? component = null)
- {
- if (!Resolve(uid, ref component))
- return;
-
- TryEject(uid, component);
- var equipment = new List(component.EquipmentContainer.ContainedEntities);
- foreach (var ent in equipment)
- {
- RemoveEquipment(uid, ent, component, forced: true);
- }
-
- component.Broken = true;
- UpdateAppearance(uid, component);
- }
-
- ///
- /// Cycles through the currently selected equipment.
- ///
- ///
- ///
- public void CycleEquipment(EntityUid uid, MechComponent? component = null)
- {
- if (!Resolve(uid, ref component))
- return;
-
- var allEquipment = component.EquipmentContainer.ContainedEntities.ToList();
-
- var equipmentIndex = -1;
- if (component.CurrentSelectedEquipment != null)
- {
- bool StartIndex(EntityUid u) => u == component.CurrentSelectedEquipment;
- equipmentIndex = allEquipment.FindIndex(StartIndex);
- }
-
- equipmentIndex++;
- component.CurrentSelectedEquipment = equipmentIndex >= allEquipment.Count
- ? null
- : allEquipment[equipmentIndex];
-
- var popupString = component.CurrentSelectedEquipment != null
- ? Loc.GetString("mech-equipment-select-popup", ("item", component.CurrentSelectedEquipment))
- : Loc.GetString("mech-equipment-select-none-popup");
-
- if (_net.IsServer)
- _popup.PopupEntity(popupString, uid);
-
- Dirty(uid, component);
- }
-
- ///
- /// Inserts an equipment item into the mech.
- ///
- ///
- ///
- ///
- ///
- public void InsertEquipment(EntityUid uid, EntityUid toInsert, MechComponent? component = null,
- MechEquipmentComponent? equipmentComponent = null)
- {
- if (!Resolve(uid, ref component))
- return;
-
- if (!Resolve(toInsert, ref equipmentComponent))
- return;
-
- if (component.EquipmentContainer.ContainedEntities.Count >= component.MaxEquipmentAmount)
- return;
-
- if (_whitelistSystem.IsWhitelistFail(component.EquipmentWhitelist, toInsert))
- return;
-
- equipmentComponent.EquipmentOwner = uid;
- _container.Insert(toInsert, component.EquipmentContainer);
- var ev = new MechEquipmentInsertedEvent(uid);
- RaiseLocalEvent(toInsert, ref ev);
- UpdateUserInterface(uid, component);
- }
-
- ///
- /// Removes an equipment item from a mech.
- ///
- ///
- ///
- ///
- ///
- /// Whether or not the removal can be cancelled
- public void RemoveEquipment(EntityUid uid, EntityUid toRemove, MechComponent? component = null,
- MechEquipmentComponent? equipmentComponent = null, bool forced = false)
- {
- if (!Resolve(uid, ref component))
- return;
-
- if (!Resolve(toRemove, ref equipmentComponent))
- return;
-
- if (!forced)
- {
- var attemptev = new AttemptRemoveMechEquipmentEvent();
- RaiseLocalEvent(toRemove, ref attemptev);
- if (attemptev.Cancelled)
- return;
- }
-
- var ev = new MechEquipmentRemovedEvent(uid);
- RaiseLocalEvent(toRemove, ref ev);
-
- if (component.CurrentSelectedEquipment == toRemove)
- CycleEquipment(uid, component);
-
- equipmentComponent.EquipmentOwner = null;
- _container.Remove(toRemove, component.EquipmentContainer);
- UpdateUserInterface(uid, component);
- }
-
- ///
- /// Attempts to change the amount of energy in the mech.
- ///
- /// The mech itself
- /// The change in energy
- ///
- /// If the energy was successfully changed.
- public virtual bool TryChangeEnergy(EntityUid uid, FixedPoint2 delta, MechComponent? component = null)
- {
- if (!Resolve(uid, ref component))
- return false;
-
- if (component.Energy + delta < 0)
- return false;
-
- component.Energy = FixedPoint2.Clamp(component.Energy + delta, 0, component.MaxEnergy);
- Dirty(uid, component);
- UpdateUserInterface(uid, component);
- return true;
- }
-
- ///
- /// Sets the integrity of the mech.
- ///
- /// The mech itself
- /// The value the integrity will be set at
- ///
- public void SetIntegrity(EntityUid uid, FixedPoint2 value, MechComponent? component = null)
- {
- if (!Resolve(uid, ref component))
- return;
-
- component.Integrity = FixedPoint2.Clamp(value, 0, component.MaxIntegrity);
-
- if (component.Integrity <= 0)
- {
- BreakMech(uid, component);
- }
- else if (component.Broken)
- {
- component.Broken = false;
- UpdateAppearance(uid, component);
- }
-
- Dirty(uid, component);
- UpdateUserInterface(uid, component);
- }
-
- ///
- /// Checks if the pilot is present
- ///
- ///
- /// Whether or not the pilot is present
- public bool IsEmpty(MechComponent component)
- {
- return component.PilotSlot.ContainedEntity == null;
- }
-
- ///
- /// Checks if an entity can be inserted into the mech.
- ///
- ///
- ///
- ///
- ///
- public bool CanInsert(EntityUid uid, EntityUid toInsert, MechComponent? component = null)
- {
- if (!Resolve(uid, ref component))
- return false;
-
- return IsEmpty(component) && _actionBlocker.CanMove(toInsert);
- }
-
- ///
- /// Updates the user interface
- ///
- ///
- /// This is defined here so that UI updates can be accessed from shared.
- ///
- public virtual void UpdateUserInterface(EntityUid uid, MechComponent? component = null)
- {
- }
-
- ///
- /// Attempts to insert a pilot into the mech.
- ///
- ///
- ///
- ///
- /// Whether or not the entity was inserted
- public bool TryInsert(EntityUid uid, EntityUid? toInsert, MechComponent? component = null)
- {
- if (!Resolve(uid, ref component))
- return false;
-
- if (toInsert == null || component.PilotSlot.ContainedEntity == toInsert)
- return false;
-
- if (!CanInsert(uid, toInsert.Value, component))
- return false;
-
- SetupUser(uid, toInsert.Value);
- _container.Insert(toInsert.Value, component.PilotSlot);
- UpdateAppearance(uid, component);
- return true;
- }
-
- ///
- /// Attempts to eject the current pilot from the mech
- ///
- ///
- ///
- /// Whether or not the pilot was ejected.
- public bool TryEject(EntityUid uid, MechComponent? component = null)
- {
- if (!Resolve(uid, ref component))
- return false;
-
- if (component.PilotSlot.ContainedEntity == null)
- return false;
-
- var pilot = component.PilotSlot.ContainedEntity.Value;
-
- RemoveUser(uid, pilot);
- _container.RemoveEntity(uid, pilot);
- UpdateAppearance(uid, component);
- return true;
- }
-
- private void OnGetMeleeWeapon(EntityUid uid, MechPilotComponent component, GetMeleeWeaponEvent args)
- {
- if (args.Handled)
- return;
-
- if (!TryComp(component.Mech, out var mech))
- return;
-
- var weapon = mech.CurrentSelectedEquipment ?? component.Mech;
- args.Weapon = weapon;
- args.Handled = true;
- }
-
- private void OnCanAttackFromContainer(EntityUid uid, MechPilotComponent component, CanAttackFromContainerEvent args)
- {
- args.CanAttack = true;
- }
-
- private void OnAttackAttempt(EntityUid uid, MechPilotComponent component, AttackAttemptEvent args)
- {
- if (args.Target == component.Mech)
- args.Cancel();
- }
-
- private void UpdateAppearance(EntityUid uid, MechComponent? component = null,
- AppearanceComponent? appearance = null)
- {
- if (!Resolve(uid, ref component, ref appearance, false))
- return;
-
- _appearance.SetData(uid, MechVisuals.Open, IsEmpty(component), appearance);
- _appearance.SetData(uid, MechVisuals.Broken, component.Broken, appearance);
- }
-
- private void OnDragDrop(EntityUid uid, MechComponent component, ref DragDropTargetEvent args)
- {
- if (args.Handled)
- return;
-
- args.Handled = true;
-
- var doAfterEventArgs = new DoAfterArgs(EntityManager, args.Dragged, component.EntryDelay, new MechEntryEvent(), uid, target: uid)
- {
- BreakOnMove = true,
- };
-
- _doAfter.TryStartDoAfter(doAfterEventArgs);
- }
-
- private void OnCanDragDrop(EntityUid uid, MechComponent component, ref CanDropTargetEvent args)
- {
- args.Handled = true;
-
- args.CanDrop |= !component.Broken && CanInsert(uid, args.Dragged, component);
- }
-
-}
-
-///
-/// Event raised when the battery is successfully removed from the mech,
-/// on both success and failure
-///
-[Serializable, NetSerializable]
-public sealed partial class RemoveBatteryEvent : SimpleDoAfterEvent
-{
-}
-
-///
-/// Event raised when a person removes someone from a mech,
-/// on both success and failure
-///
-[Serializable, NetSerializable]
-public sealed partial class MechExitEvent : SimpleDoAfterEvent
-{
-}
-
-///
-/// Event raised when a person enters a mech, on both success and failure
-///
-[Serializable, NetSerializable]
-public sealed partial class MechEntryEvent : SimpleDoAfterEvent
-{
-}