salvage points shop (#2510)

* add conscription bag

* add gar mesons

* remove salvage vendor restock

* add code for shop vendors

* make salvage vendor a shop vendor

* ui fixes

* :trollface:

* update locker and vendor inventory

* add mining hardsuit for 3k

---------

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Client/DeltaV/VendingMachines/UI/ShopVendorWindow.xaml.cs

@@ -0,0 +1,147 @@
+using Content.Client.UserInterface.Controls;
+using Content.Shared.DeltaV.VendingMachines;
+using Content.Shared.Stacks;
+using Robust.Client.AutoGenerated;
+using Robust.Client.Graphics;
+using Robust.Client.Player;
+using Robust.Client.UserInterface;
+using Robust.Client.UserInterface.Controls;
+using Robust.Client.UserInterface.XAML;
+using Robust.Shared.Prototypes;
+using Robust.Shared.Timing;
+using System.Numerics;
+
+namespace Content.Client.DeltaV.VendingMachines.UI;
+
+[GenerateTypedNameReferences]
+public sealed partial class ShopVendorWindow : FancyWindow
+{
+    [Dependency] private readonly IComponentFactory _factory = default!;
+    [Dependency] private readonly IEntityManager _entMan = default!;
+    [Dependency] private readonly IPlayerManager _player = default!;
+    [Dependency] private readonly IPrototypeManager _proto = default!;
+    private readonly ShopVendorSystem _vendor;
+
+    /// <summary>
+    /// Event fired with the listing index to purchase.
+    /// </summary>
+    public event Action<int>? OnItemSelected;
+
+    private EntityUid _owner;
+    private readonly StyleBoxFlat _style = new() { BackgroundColor = new Color(70, 73, 102) };
+    private readonly StyleBoxFlat _styleBroke = new() { BackgroundColor = Color.FromHex("#303133") };
+    private readonly List<ListContainerButton> _buttons = new();
+    private uint _balance = 1;
+
+    public ShopVendorWindow()
+    {
+        RobustXamlLoader.Load(this);
+        IoCManager.InjectDependencies(this);
+
+        _vendor = _entMan.System<ShopVendorSystem>();
+
+        VendingContents.SearchBar = SearchBar;
+        VendingContents.DataFilterCondition += DataFilterCondition;
+        VendingContents.GenerateItem += GenerateButton;
+        VendingContents.ItemKeyBindDown += (args, data) => OnItemSelected?.Invoke(((ShopVendorListingData) data).Index);
+    }
+
+    public void SetEntity(EntityUid owner)
+    {
+        _owner = owner;
+
+        if (!_entMan.TryGetComponent<ShopVendorComponent>(owner, out var comp))
+            return;
+
+        var pack = _proto.Index(comp.Pack);
+        Populate(pack.Listings);
+
+        UpdateBalance();
+    }
+
+    private void UpdateBalance(uint balance)
+    {
+        if (_balance == balance)
+            return;
+
+        _balance = balance;
+
+        BalanceLabel.Text = Loc.GetString("shop-vendor-balance", ("points", balance));
+
+        // disable items that are too expensive to buy
+        foreach (var button in _buttons)
+        {
+            if (button.Data is ShopVendorListingData data)
+                button.Disabled = data.Cost > balance;
+
+            button.StyleBoxOverride = button.Disabled ? _styleBroke : _style;
+        }
+    }
+
+    private void UpdateBalance()
+    {
+        if (_player.LocalEntity is {} user)
+            UpdateBalance(_vendor.GetBalance(_owner, user));
+    }
+
+    private bool DataFilterCondition(string filter, ListData data)
+    {
+        if (data is not ShopVendorListingData { Text: var text })
+            return false;
+
+        if (string.IsNullOrEmpty(filter))
+            return true;
+
+        return text.Contains(filter, StringComparison.CurrentCultureIgnoreCase);
+    }
+
+    private void GenerateButton(ListData data, ListContainerButton button)
+    {
+        if (data is not ShopVendorListingData cast)
+            return;
+
+        _buttons.Add(button);
+        button.AddChild(new ShopVendorItem(cast.ItemId, cast.Text, cast.Cost));
+
+        button.ToolTip = cast.Text;
+        button.Disabled = cast.Cost > _balance;
+        button.StyleBoxOverride = button.Disabled ? _styleBroke : _style;
+    }
+
+    public void Populate(List<ShopListing> listings)
+    {
+        var longestEntry = string.Empty;
+        var listData = new List<ShopVendorListingData>();
+        for (var i = 0; i < listings.Count; i++)
+        {
+            var listing = listings[i];
+            var proto = _proto.Index(listing.Id);
+            var text = proto.Name;
+            if (proto.TryGetComponent<StackComponent>(out var stack, _factory) && stack.Count > 1)
+            {
+                text += " ";
+                text += Loc.GetString("shop-vendor-stack-suffix", ("count", stack.Count));
+            }
+            listData.Add(new ShopVendorListingData(i, listing.Id, text, listing.Cost));
+        }
+
+        _buttons.Clear();
+        VendingContents.PopulateList(listData);
+        SetSizeAfterUpdate(longestEntry.Length, listings.Count);
+    }
+
+    private void SetSizeAfterUpdate(int longestEntryLength, int contentCount)
+    {
+        SetSize = new Vector2(Math.Clamp((longestEntryLength + 2) * 12, 250, 400),
+            Math.Clamp(contentCount * 50, 150, 350));
+    }
+
+    protected override void FrameUpdate(FrameEventArgs args)
+    {
+        base.FrameUpdate(args);
+
+        UpdateBalance();
+    }
+}
+
+public record ShopVendorListingData(int Index, EntProtoId ItemId, string Text, uint Cost) : ListData;