Add trade stations (#23863)

* puters

* Start on fulfillment

* weh

* Smol update

* FTL sound fixes or smth iunno

* Add consoles

* More tweaks

* Make it unanchorable

* final wehs

* weh

* Fix 1 test

* Shrimply bump the distance

* cat

Content.Server/Cargo/Components/StationCargoOrderDatabaseComponent.cs

@@ -1,5 +1,6 @@
 using Content.Shared.Cargo;
 using Content.Shared.Cargo.Prototypes;
+using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
 
 namespace Content.Server.Cargo.Components;
@@ -30,4 +31,10 @@ public sealed partial class StationCargoOrderDatabaseComponent : Component
     /// </summary>
     [DataField("shuttle")]
     public EntityUid? Shuttle;
+
+    /// <summary>
+    ///     The paper-type prototype to spawn with the order information.
+    /// </summary>
+    [DataField]
+    public EntProtoId PrinterOutput = "PaperCargoInvoice";
 }

Content.Server/Cargo/Components/TradeStationComponent.cs

@@ -0,0 +1,10 @@
+namespace Content.Server.Cargo.Components;
+
+/// <summary>
+/// Target for approved orders to spawn at.
+/// </summary>
+[RegisterComponent]
+public sealed partial class TradeStationComponent : Component
+{
+
+}

Content.Server/Cargo/Systems/CargoSystem.Orders.cs

@@ -2,6 +2,7 @@ using System.Diagnostics.CodeAnalysis;
 using Content.Server.Cargo.Components;
 using Content.Server.Labels.Components;
 using Content.Server.Paper;
+using Content.Server.Station.Components;
 using Content.Shared.Cargo;
 using Content.Shared.Cargo.BUI;
 using Content.Shared.Cargo.Events;
@@ -10,6 +11,7 @@ using Content.Shared.Database;
 using Robust.Shared.Map;
 using Robust.Shared.Player;
 using Robust.Shared.Prototypes;
+using Robust.Shared.Random;
 using Robust.Shared.Utility;
 
 namespace Content.Server.Cargo.Systems
@@ -87,10 +89,12 @@ namespace Content.Server.Cargo.Systems
                 return;
             }
 
-            var bankAccount = GetBankAccount(uid, component);
+            var station = _station.GetOwningStation(uid);
 
             // No station to deduct from.
-            if (!TryGetOrderDatabase(uid, out var dbUid, out var orderDatabase, component) || bankAccount == null)
+            if (!TryComp(station, out StationBankAccountComponent? bank) ||
+                !TryComp(station, out StationDataComponent? stationData) ||
+                !TryGetOrderDatabase(station, out var orderDatabase))
             {
                 ConsolePopup(args.Session, Loc.GetString("cargo-console-station-not-found"));
                 PlayDenySound(uid, component);
@@ -136,32 +140,82 @@ namespace Content.Server.Cargo.Systems
             var cost = order.Price * order.OrderQuantity;
 
             // Not enough balance
-            if (cost > bankAccount.Balance)
+            if (cost > bank.Balance)
             {
                 ConsolePopup(args.Session, Loc.GetString("cargo-console-insufficient-funds", ("cost", cost)));
                 PlayDenySound(uid, component);
                 return;
             }
 
+            // No slots at the trade station
+            _listEnts.Clear();
+            GetTradeStations(stationData, ref _listEnts);
+            EntityUid? tradeDestination = null;
+
+            // Try to fulfill from any station where possible, if the pad is not occupied.
+            foreach (var trade in _listEnts)
+            {
+                var tradePads = GetCargoPallets(trade);
+                _random.Shuffle(tradePads);
+
+                var freePads = GetFreeCargoPallets(trade, tradePads);
+
+                foreach (var pad in freePads)
+                {
+                    var coordinates = new EntityCoordinates(trade, pad.Transform.LocalPosition);
+
+                    if (FulfillOrder(order, coordinates, orderDatabase.PrinterOutput))
+                    {
+                        tradeDestination = trade;
+                        break;
+                    }
+                }
+
+                if (tradeDestination != null)
+                    break;
+            }
+
+            if (tradeDestination == null)
+            {
+                ConsolePopup(args.Session, Loc.GetString("cargo-console-unfulfilled"));
+                PlayDenySound(uid, component);
+                return;
+            }
+
             _idCardSystem.TryFindIdCard(player, out var idCard);
             // ReSharper disable once ConditionalAccessQualifierIsNonNullableAccordingToAPIContract
             order.SetApproverData(idCard.Comp?.FullName, idCard.Comp?.JobTitle);
-            _audio.PlayPvs(_audio.GetSound(component.ConfirmSound), uid);
+            _audio.PlayPvs(component.ConfirmSound, uid);
+
+            ConsolePopup(args.Session, Loc.GetString("cargo-console-trade-station", ("destination", MetaData(tradeDestination.Value).EntityName)));
 
             // Log order approval
             _adminLogger.Add(LogType.Action, LogImpact.Low,
-                $"{ToPrettyString(player):user} approved order [orderId:{order.OrderId}, quantity:{order.OrderQuantity}, product:{order.ProductId}, requester:{order.Requester}, reason:{order.Reason}] with balance at {bankAccount.Balance}");
+                $"{ToPrettyString(player):user} approved order [orderId:{order.OrderId}, quantity:{order.OrderQuantity}, product:{order.ProductId}, requester:{order.Requester}, reason:{order.Reason}] with balance at {bank.Balance}");
 
-            DeductFunds(bankAccount, cost);
-            UpdateOrders(dbUid!.Value, orderDatabase);
+            DeductFunds(bank, cost);
+            UpdateOrders(station.Value, orderDatabase);
+        }
+
+        private void GetTradeStations(StationDataComponent data, ref List<EntityUid> ents)
+        {
+            foreach (var gridUid in data.Grids)
+            {
+                if (!_tradeQuery.HasComponent(gridUid))
+                    continue;
+
+                ents.Add(gridUid);
+            }
         }
 
         private void OnRemoveOrderMessage(EntityUid uid, CargoOrderConsoleComponent component, CargoConsoleRemoveOrderMessage args)
         {
-            if (!TryGetOrderDatabase(uid, out var dbUid, out var orderDatabase, component))
+            var station = _station.GetOwningStation(uid);
+
+            if (!TryGetOrderDatabase(station, out var orderDatabase))
                 return;
 
-            RemoveOrder(dbUid!.Value, args.OrderId, orderDatabase);
+            RemoveOrder(station.Value, args.OrderId, orderDatabase);
         }
 
         private void OnAddOrderMessage(EntityUid uid, CargoOrderConsoleComponent component, CargoConsoleAddOrderMessage args)
@@ -172,11 +226,9 @@ namespace Content.Server.Cargo.Systems
             if (args.Amount <= 0)
                 return;
 
-            var bank = GetBankAccount(uid, component);
-            if (bank == null)
-                return;
+            var stationUid = _station.GetOwningStation(uid);
 
-            if (!TryGetOrderDatabase(uid, out var dbUid, out var orderDatabase, component))
+            if (!TryGetOrderDatabase(stationUid, out var orderDatabase))
                 return;
 
             if (!_protoMan.TryIndex<CargoProductPrototype>(args.CargoProductId, out var product))
@@ -187,7 +239,7 @@ namespace Content.Server.Cargo.Systems
 
             var data = GetOrderData(args, product, GenerateOrderId(orderDatabase));
 
-            if (!TryAddOrder(dbUid!.Value, data, orderDatabase))
+            if (!TryAddOrder(stationUid.Value, data, orderDatabase))
             {
                 PlayDenySound(uid, component);
                 return;
@@ -336,10 +388,10 @@ namespace Content.Server.Cargo.Systems
 
         public void ClearOrders(StationCargoOrderDatabaseComponent component)
         {
-            if (component.Orders.Count == 0) return;
+            if (component.Orders.Count == 0)
+                return;
 
             component.Orders.Clear();
-            Dirty(component);
         }
 
         private static bool PopFrontOrder(StationCargoOrderDatabaseComponent orderDB, [NotNullWhen(true)] out CargoOrderData? orderOut)
@@ -362,64 +414,63 @@ namespace Content.Server.Cargo.Systems
             return true;
         }
 
-        private bool FulfillOrder(StationCargoOrderDatabaseComponent orderDB, EntityCoordinates whereToPutIt,
-                string? paperPrototypeToPrint)
+        /// <summary>
+        /// Tries to fulfill the next outstanding order.
+        /// </summary>
+        private bool FulfillNextOrder(StationCargoOrderDatabaseComponent orderDB, EntityCoordinates spawn, string? paperProto)
         {
-            if (PopFrontOrder(orderDB, out var order))
+            if (!PopFrontOrder(orderDB, out var order))
+                return false;
+
+            return FulfillOrder(order, spawn, paperProto);
+        }
+
+        /// <summary>
+        /// Fulfills the specified cargo order and spawns paper attached to it.
+        /// </summary>
+        private bool FulfillOrder(CargoOrderData order, EntityCoordinates spawn, string? paperProto)
+        {
+            // Create the item itself
+            var item = Spawn(order.ProductId, spawn);
+
+            // Create a sheet of paper to write the order details on
+            var printed = EntityManager.SpawnEntity(paperProto, spawn);
+            if (TryComp<PaperComponent>(printed, out var paper))
             {
-                // Create the item itself
-                var item = Spawn(order.ProductId, whereToPutIt);
+                // fill in the order data
+                var val = Loc.GetString("cargo-console-paper-print-name", ("orderNumber", order.OrderId));
+                _metaSystem.SetEntityName(printed, val);
 
-                // Create a sheet of paper to write the order details on
-                var printed = EntityManager.SpawnEntity(paperPrototypeToPrint, whereToPutIt);
-                if (TryComp<PaperComponent>(printed, out var paper))
+                _paperSystem.SetContent(printed, Loc.GetString(
+                        "cargo-console-paper-print-text",
+                        ("orderNumber", order.OrderId),
+                        ("itemName", MetaData(item).EntityName),
+                        ("requester", order.Requester),
+                        ("reason", order.Reason),
+                        ("approver", order.Approver ?? string.Empty)),
+                    paper);
+
+                // attempt to attach the label to the item
+                if (TryComp<PaperLabelComponent>(item, out var label))
                 {
-                    // fill in the order data
-                    var val = Loc.GetString("cargo-console-paper-print-name", ("orderNumber", order.OrderId));
-                    _metaSystem.SetEntityName(printed, val);
-
-                    _paperSystem.SetContent(printed, Loc.GetString(
-                                "cargo-console-paper-print-text",
-                                ("orderNumber", order.OrderId),
-                                ("itemName", MetaData(item).EntityName),
-                                ("requester", order.Requester),
-                                ("reason", order.Reason),
-                                ("approver", order.Approver ?? string.Empty)),
-                            paper);
-
-                    // attempt to attach the label to the item
-                    if (TryComp<PaperLabelComponent>(item, out var label))
-                    {
-                        _slots.TryInsert(item, label.LabelSlot, printed, null);
-                    }
+                    _slots.TryInsert(item, label.LabelSlot, printed, null);
                 }
-
-                return true;
             }
 
-            return false;
+            return true;
+
         }
 
         private void DeductFunds(StationBankAccountComponent component, int amount)
         {
             component.Balance = Math.Max(0, component.Balance - amount);
-            Dirty(component);
         }
 
         #region Station
 
-        private StationBankAccountComponent? GetBankAccount(EntityUid uid, CargoOrderConsoleComponent _)
+        private bool TryGetOrderDatabase([NotNullWhen(true)] EntityUid? stationUid, [MaybeNullWhen(false)] out StationCargoOrderDatabaseComponent dbComp)
         {
-            var station = _station.GetOwningStation(uid);
-
-            TryComp<StationBankAccountComponent>(station, out var bankComponent);
-            return bankComponent;
-        }
-
-        private bool TryGetOrderDatabase(EntityUid uid, [MaybeNullWhen(false)] out EntityUid? dbUid, [MaybeNullWhen(false)] out StationCargoOrderDatabaseComponent dbComp, CargoOrderConsoleComponent _)
-        {
-            dbUid = _station.GetOwningStation(uid);
-            return TryComp(dbUid, out dbComp);
+            return TryComp(stationUid, out dbComp);
         }
 
         #endregion

Content.Server/Cargo/Systems/CargoSystem.Shuttle.cs

@@ -1,39 +1,27 @@
-using System.Linq;
 using Content.Server.Cargo.Components;
-using Content.Server.GameTicking.Events;
-using Content.Server.Shuttles.Components;
-using Content.Server.Shuttles.Events;
 using Content.Shared.Stacks;
 using Content.Shared.Cargo;
 using Content.Shared.Cargo.BUI;
 using Content.Shared.Cargo.Components;
 using Content.Shared.Cargo.Events;
-using Content.Shared.CCVar;
 using Content.Shared.GameTicking;
-using Content.Shared.Whitelist;
-using Robust.Server.GameObjects;
 using Robust.Shared.Map;
 using Robust.Shared.Random;
-using Robust.Shared.Utility;
-using Content.Shared.Coordinates;
-using Content.Shared.Mobs;
-using Content.Shared.Mobs.Components;
+using Robust.Shared.Audio;
 
 namespace Content.Server.Cargo.Systems;
 
 public sealed partial class CargoSystem
 {
     /*
-     * Handles cargo shuttle mechanics.
+     * Handles cargo shuttle / trade mechanics.
      */
 
-    public MapId? CargoMap { get; private set; }
+    private static readonly SoundPathSpecifier ApproveSound = new("/Audio/Effects/Cargo/ping.ogg");
 
     private void InitializeShuttle()
     {
-        SubscribeLocalEvent<CargoShuttleComponent, FTLStartedEvent>(OnCargoFTLStarted);
-        SubscribeLocalEvent<CargoShuttleComponent, FTLCompletedEvent>(OnCargoFTLCompleted);
-        SubscribeLocalEvent<CargoShuttleComponent, FTLTagEvent>(OnCargoFTLTag);
+        SubscribeLocalEvent<TradeStationComponent, GridSplitEvent>(OnTradeSplit);
 
         SubscribeLocalEvent<CargoShuttleConsoleComponent, ComponentStartup>(OnCargoShuttleConsoleStartup);
 
@@ -42,32 +30,6 @@ public sealed partial class CargoSystem
         SubscribeLocalEvent<CargoPalletConsoleComponent, BoundUIOpenedEvent>(OnPalletUIOpen);
 
         SubscribeLocalEvent<RoundRestartCleanupEvent>(OnRoundRestart);
-        SubscribeLocalEvent<RoundStartingEvent>(OnRoundStart);
-
-        _cfgManager.OnValueChanged(CCVars.GridFill, SetGridFill);
-    }
-
-    private void ShutdownShuttle()
-    {
-        _cfgManager.UnsubValueChanged(CCVars.GridFill, SetGridFill);
-    }
-
-    private void SetGridFill(bool obj)
-    {
-        if (obj)
-        {
-            SetupCargoShuttle();
-        }
-    }
-
-    private void OnCargoFTLTag(EntityUid uid, CargoShuttleComponent component, ref FTLTagEvent args)
-    {
-        if (args.Handled)
-            return;
-
-        // Just saves mappers forgetting.
-        args.Handled = true;
-        args.Tag = "DockCargo";
     }
 
     #region Console
@@ -156,6 +118,15 @@ public sealed partial class CargoSystem
 
     #endregion
 
+    private void OnTradeSplit(EntityUid uid, TradeStationComponent component, ref GridSplitEvent args)
+    {
+        // If the trade station gets bombed it's still a trade station.
+        foreach (var gridUid in args.NewGrids)
+        {
+            EnsureComp<TradeStationComponent>(gridUid);
+        }
+    }
+
     #region Shuttle
 
     /// <summary>
@@ -206,9 +177,9 @@ public sealed partial class CargoSystem
         return space;
     }
 
-    private List<(EntityUid Entity, CargoPalletComponent Component)> GetCargoPallets(EntityUid gridUid)
+    private List<(EntityUid Entity, CargoPalletComponent Component, TransformComponent PalletXform)> GetCargoPallets(EntityUid gridUid)
     {
-        var pads = new List<(EntityUid, CargoPalletComponent)>();
+        _pads.Clear();
         var query = AllEntityQuery<CargoPalletComponent, TransformComponent>();
 
         while (query.MoveNext(out var uid, out var comp, out var compXform))
@@ -219,23 +190,43 @@ public sealed partial class CargoSystem
                 continue;
             }
 
-            pads.Add((uid, comp));
+            _pads.Add((uid, comp, compXform));
         }
 
-        return pads;
+        return _pads;
+    }
+
+    private IEnumerable<(EntityUid Entity, CargoPalletComponent Component, TransformComponent Transform)>
+        GetFreeCargoPallets(EntityUid gridUid,
+            List<(EntityUid Entity, CargoPalletComponent Component, TransformComponent Transform)> pallets)
+    {
+        _setEnts.Clear();
+
+        foreach (var pallet in pallets)
+        {
+            var aabb = _lookup.GetAABBNoContainer(pallet.Entity, pallet.Transform.LocalPosition, pallet.Transform.LocalRotation);
+
+            if (_lookup.AnyLocalEntitiesIntersecting(gridUid, aabb, LookupFlags.Dynamic))
+                continue;
+
+            yield return pallet;
+        }
     }
 
     #endregion
 
     #region Station
 
-    private void SellPallets(EntityUid gridUid, EntityUid? station, out double amount)
+    private bool SellPallets(EntityUid gridUid, EntityUid? station, out double amount)
     {
         station ??= _station.GetOwningStation(gridUid);
         GetPalletGoods(gridUid, out var toSell, out amount);
 
         Log.Debug($"Cargo sold {toSell.Count} entities for {amount}");
 
+        if (toSell.Count == 0)
+            return false;
+
         if (station != null)
         {
             var ev = new EntitySoldEvent(station.Value, toSell);
@@ -246,6 +237,8 @@ public sealed partial class CargoSystem
         {
             Del(ent);
         }
+
+        return true;
     }
 
     private void GetPalletGoods(EntityUid gridUid, out HashSet<EntityUid> toSell, out double amount)
@@ -253,10 +246,15 @@ public sealed partial class CargoSystem
         amount = 0;
         toSell = new HashSet<EntityUid>();
 
-        foreach (var (palletUid, _) in GetCargoPallets(gridUid))
+        foreach (var (palletUid, _, _) in GetCargoPallets(gridUid))
         {
             // Containers should already get the sell price of their children so can skip those.
-            foreach (var ent in _lookup.GetEntitiesIntersecting(palletUid, LookupFlags.Dynamic | LookupFlags.Sundries | LookupFlags.Approximate))
+            _setEnts.Clear();
+
+            _lookup.GetEntitiesIntersecting(palletUid, _setEnts,
+                LookupFlags.Dynamic | LookupFlags.Sundries);
+
+            foreach (var ent in _setEnts)
             {
                 // Dont sell:
                 // - anything already being sold
@@ -304,21 +302,6 @@ public sealed partial class CargoSystem
         return true;
     }
 
-    private void AddCargoContents(EntityUid shuttleUid, CargoShuttleComponent shuttle, StationCargoOrderDatabaseComponent orderDatabase)
-    {
-        var xformQuery = GetEntityQuery<TransformComponent>();
-
-        var pads = GetCargoPallets(shuttleUid);
-        while (pads.Count > 0)
-        {
-            var coordinates = new EntityCoordinates(shuttleUid, xformQuery.GetComponent(_random.PickAndTake(pads).Entity).LocalPosition);
-            if (!FulfillOrder(orderDatabase, coordinates, shuttle.PrinterOutput))
-            {
-                break;
-            }
-        }
-    }
-
     private void OnPalletSale(EntityUid uid, CargoPalletConsoleComponent component, CargoPalletSellMessage args)
     {
         var player = args.Session.AttachedEntity;
@@ -327,114 +310,29 @@ public sealed partial class CargoSystem
             return;
 
         var bui = _uiSystem.GetUi(uid, CargoPalletConsoleUiKey.Sale);
-        if (Transform(uid).GridUid is not EntityUid gridUid)
+        var xform = Transform(uid);
+
+        if (xform.GridUid is not EntityUid gridUid)
         {
             _uiSystem.SetUiState(bui,
             new CargoPalletConsoleInterfaceState(0, 0, false));
             return;
         }
 
-        SellPallets(gridUid, null, out var price);
+        if (!SellPallets(gridUid, null, out var price))
+            return;
+
         var stackPrototype = _protoMan.Index<StackPrototype>(component.CashType);
-        _stack.Spawn((int) price, stackPrototype, uid.ToCoordinates());
+        _stack.Spawn((int) price, stackPrototype, xform.Coordinates);
+        _audio.PlayPvs(ApproveSound, uid);
         UpdatePalletConsoleInterface(uid);
     }
 
-    private void OnCargoFTLStarted(EntityUid uid, CargoShuttleComponent component, ref FTLStartedEvent args)
-    {
-        var stationUid = _station.GetOwningStation(uid);
-
-        // Called
-        if (CargoMap == null ||
-            args.FromMapUid != _mapManager.GetMapEntityId(CargoMap.Value) ||
-            !TryComp<StationCargoOrderDatabaseComponent>(stationUid, out var orderDatabase))
-        {
-            return;
-        }
-
-        AddCargoContents(uid, component, orderDatabase);
-        UpdateOrders(stationUid!.Value, orderDatabase);
-        UpdateCargoShuttleConsoles(uid, component);
-    }
-
-    private void OnCargoFTLCompleted(EntityUid uid, CargoShuttleComponent component, ref FTLCompletedEvent args)
-    {
-        var xform = Transform(uid);
-        // Recalled
-        if (xform.MapID != CargoMap)
-            return;
-
-        var stationUid = _station.GetOwningStation(uid);
-
-        if (TryComp<StationBankAccountComponent>(stationUid, out var bank))
-        {
-            SellPallets(uid, stationUid, out var amount);
-            bank.Balance += (int) amount;
-        }
-    }
-
     #endregion
 
     private void OnRoundRestart(RoundRestartCleanupEvent ev)
     {
         Reset();
-        CleanupCargoShuttle();
-    }
-
-    private void OnRoundStart(RoundStartingEvent ev)
-    {
-        if (_cfgManager.GetCVar(CCVars.GridFill))
-            SetupCargoShuttle();
-    }
-
-    private void CleanupCargoShuttle()
-    {
-        if (CargoMap == null || !_mapManager.MapExists(CargoMap.Value))
-        {
-            CargoMap = null;
-            DebugTools.Assert(!EntityQuery<CargoShuttleComponent>().Any());
-            return;
-        }
-
-        _mapManager.DeleteMap(CargoMap.Value);
-        CargoMap = null;
-
-        // Shuttle may not have been in the cargo dimension (e.g. on the station map) so need to delete.
-        var query = AllEntityQuery<CargoShuttleComponent>();
-
-        while (query.MoveNext(out var uid, out var _))
-        {
-            if (TryComp<StationCargoOrderDatabaseComponent>(uid, out var station))
-            {
-                station.Shuttle = null;
-            }
-
-            QueueDel(uid);
-        }
-    }
-
-    private void SetupCargoShuttle()
-    {
-        if (CargoMap != null && _mapManager.MapExists(CargoMap.Value))
-        {
-            return;
-        }
-
-        // It gets mapinit which is okay... buuutt we still want it paused to avoid power draining.
-        CargoMap = _mapManager.CreateMap();
-        var mapUid = _mapManager.GetMapEntityId(CargoMap.Value);
-        var ftl = EnsureComp<FTLDestinationComponent>(_mapManager.GetMapEntityId(CargoMap.Value));
-        ftl.Whitelist = new EntityWhitelist()
-        {
-            Components = new[]
-            {
-                _factory.GetComponentName(typeof(CargoShuttleComponent))
-            }
-        };
-
-        _metaSystem.SetEntityName(mapUid, $"Trading post {_random.Next(1000):000}");
-
-        _console.RefreshShuttleConsoles();
     }
 }
 

Content.Server/Cargo/Systems/CargoSystem.Telepad.cs

@@ -65,10 +65,10 @@ public sealed partial class CargoSystem
             }
 
             var xform = Transform(uid);
-            if (FulfillOrder(orderDatabase, xform.Coordinates, comp.PrinterOutput))
+            if (FulfillNextOrder(orderDatabase, xform.Coordinates, comp.PrinterOutput))
             {
                 _audio.PlayPvs(_audio.GetSound(comp.TeleportSound), uid, AudioParams.Default.WithVolume(-8f));
-                UpdateOrders(station!.Value, orderDatabase);
+                UpdateOrders(station.Value, orderDatabase);
 
                 comp.CurrentState = CargoTelepadState.Teleporting;
                 _appearance.SetData(uid, CargoTelepadVisuals.State, CargoTelepadState.Teleporting, appearance);

Content.Server/Cargo/Systems/CargoSystem.cs

@@ -14,8 +14,6 @@ using Content.Shared.Mobs.Components;
 using JetBrains.Annotations;
 using Robust.Server.GameObjects;
 using Robust.Shared.Audio.Systems;
-using Robust.Shared.Configuration;
-using Robust.Shared.Map;
 using Robust.Shared.Prototypes;
 using Robust.Shared.Timing;
 using Robust.Shared.Random;
@@ -25,9 +23,6 @@ namespace Content.Server.Cargo.Systems;
 public sealed partial class CargoSystem : SharedCargoSystem
 {
     [Dependency] private readonly IGameTiming _timing = default!;
-    [Dependency] private readonly IComponentFactory _factory = default!;
-    [Dependency] private readonly IConfigurationManager _cfgManager = default!;
-    [Dependency] private readonly IMapManager _mapManager = default!;
     [Dependency] private readonly IPrototypeManager _protoMan = default!;
     [Dependency] private readonly IRobustRandom _random = default!;
     [Dependency] private readonly ISharedAdminLogManager _adminLogger = default!;
@@ -41,6 +36,7 @@ public sealed partial class CargoSystem : SharedCargoSystem
     [Dependency] private readonly PricingSystem _pricing = default!;
     [Dependency] private readonly SharedAppearanceSystem _appearance = default!;
     [Dependency] private readonly SharedAudioSystem _audio = default!;
+    [Dependency] private readonly SharedTransformSystem _xformSystem = default!;
     [Dependency] private readonly ShuttleConsoleSystem _console = default!;
     [Dependency] private readonly StackSystem _stack = default!;
     [Dependency] private readonly StationSystem _station = default!;
@@ -50,6 +46,11 @@ public sealed partial class CargoSystem : SharedCargoSystem
     private EntityQuery<TransformComponent> _xformQuery;
     private EntityQuery<CargoSellBlacklistComponent> _blacklistQuery;
     private EntityQuery<MobStateComponent> _mobQuery;
+    private EntityQuery<TradeStationComponent> _tradeQuery;
+
+    private HashSet<EntityUid> _setEnts = new();
+    private List<EntityUid> _listEnts = new();
+    private List<(EntityUid, CargoPalletComponent, TransformComponent)> _pads = new();
 
     public override void Initialize()
     {
@@ -58,6 +59,7 @@ public sealed partial class CargoSystem : SharedCargoSystem
         _xformQuery = GetEntityQuery<TransformComponent>();
         _blacklistQuery = GetEntityQuery<CargoSellBlacklistComponent>();
         _mobQuery = GetEntityQuery<MobStateComponent>();
+        _tradeQuery = GetEntityQuery<TradeStationComponent>();
 
         InitializeConsole();
         InitializeShuttle();
@@ -65,13 +67,6 @@ public sealed partial class CargoSystem : SharedCargoSystem
         InitializeBounty();
     }
 
-    public override void Shutdown()
-    {
-        base.Shutdown();
-        ShutdownShuttle();
-        CleanupCargoShuttle();
-    }
-
     public override void Update(float frameTime)
     {
         base.Update(frameTime);