Black market: useful goods only, player selling with price-dependent speed and taint

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

src/Decentralized/TerminalWindow.cs

@@ -267,7 +267,7 @@ namespace Decentralized
             });
         }
 
-        private enum BlackTab { Shop, Orders, Mine, Desk }
+        private enum BlackTab { Shop, Orders, Sell, Mine, Desk }
         private static BlackTab _blackTab = BlackTab.Shop;
         private static PayMode _mode = PayMode.Escrow;
         private static string _deskAsset = Assets.PSC;
@@ -312,6 +312,7 @@ namespace Decentralized
             if (d.Black.Closed(day)) { b.AddLabel(L.T("black.rugged", d.Black.ClosedUntil - day + 1)); return; }
             if (_blackTab == BlackTab.Desk && desk) { DeskPage(b, rep, day); return; }
             if (_blackTab == BlackTab.Mine) { MinePage(b, day); return; }
+            if (_blackTab == BlackTab.Sell) { SellPage(b, day); return; }
             bool orders = _blackTab == BlackTab.Orders;
             var w = d.Hot;
             b.AddLabel(L.T("black.rep", rep, BlackMarket.MaxLevel(rep)) + "　" + L.T("mixer.balance", _payAsset, Fmt.Num(w.Avail(_payAsset))) + (w.Taint > 0.5 ? "　" + L.T("wallet.taint", Fmt.Credits(w.Taint)) : ""));
@@ -358,6 +359,60 @@ namespace Decentralized
             }
         }
 
+        private static double _sellMult = 1.0;
+        private static readonly double[] SellMults = { 0.6, 0.8, 0.9, 1.0, 1.2, 1.5, 1.8 };
+
+        /// <summary>出售：储藏区里能上架的货做成货架，选标价倍率后上架。</summary>
+        private static void SellPage(CustomUIBuilder b, int day)
+        {
+            var d = Session.Data;
+            b.BeginRow();
+            foreach (var m in SellMults)
+            {
+                double mult = m;
+                string n = m.ToString("0.0", CultureInfo.InvariantCulture);
+                b.AddButton(Math.Abs(mult - _sellMult) < 1e-9 ? $"[×{n}]" : "×" + n, () => { _sellMult = mult; Open(); });
+            }
+            b.End();
+            b.AddLabel(L.T("black.sell.info", "×" + _sellMult.ToString("0.0", CultureInfo.InvariantCulture), (int)Math.Round(BlackMarket.ExpectedDays(_sellMult)), (int)Math.Round(BlackMarket.TaintChance(_sellMult) * 100), (int)Math.Round(BlackMarket.TaintRatio(_sellMult) * 100)) + "　" + L.T("black.sell.rating", d.Black.Rating));
+            b.AddLabel(L.T("mixer.balance", _payAsset, Fmt.Num(d.Hot.Avail(_payAsset))));
+            b.AddSeparator();
+            var items = BlackDelivery.Sellable();
+            if (items.Count == 0) { b.AddLabel(L.T("black.sell.none")); return; }
+            Shelf(b, items.Select(it =>
+            {
+                string id = BlackDelivery.SellId(it);
+                var kind = BlackDelivery.KindOf(id);
+                var g = new BmGood { Item = id, Kind = kind, Level = kind == GoodKind.Contraband ? BlackMarket.Pool.First(x => x.Key == id).Value : 3 };
+                if (kind == GoodKind.Gpu) g.Health = Items.ToUnit(it).Health;
+                g.Price = BlackMarket.ListPriceOf(BlackDelivery.RefValue(it), _sellMult);
+                return new { g, it };
+            }).Select(x => { SellCards[x.g] = x.it; return x.g; }).ToList(), (c, g) =>
+            {
+                var it = SellCards[g];
+                GoodHead(c, g, L.T("black.sell.ref", BlackDelivery.RefValue(it)));
+                c.AddLabel(L.T("black.price", g.Price));
+                c.AddFlexibleSpace();
+                c.AddButton(L.T("black.sell.list"), () => ListItem(it));
+            });
+        }
+
+        private static readonly System.Collections.Generic.Dictionary<BmGood, GameItem> SellCards = new System.Collections.Generic.Dictionary<BmGood, GameItem>();
+
+        private static void ListItem(GameItem it)
+        {
+            var d = Session.Data;
+            string id = BlackDelivery.SellId(it);
+            if (id == null) { Open(); return; }
+            var u = Items.IsGpu(it) ? Items.ToUnit(it) : null;
+            var s = d.Black.List(id, u?.Model, u?.FakeOf, u?.Health ?? 0, BlackDelivery.RefValue(it), _sellMult, d.Hot, _payAsset, StoreStation.GetDayCounter(), Session.Price);
+            if (s == null) { _message = L.T("msg.balance"); Open(); return; }
+            it.Destroy();
+            _message = L.T("black.sell.listed", ItemName(id), s.ListPrice);
+            Session.Save();
+            Open();
+        }
+
         private const int ShelfCols = 4;
         private const float CardW = 172f, CardH = 268f;
 
@@ -411,6 +466,15 @@ namespace Decentralized
             Open();
         }
 
+        private static void Delist(BmSale s)
+        {
+            var d = Session.Data;
+            d.Black.Delist(s);
+            Items.Give(BlackDelivery.Make(s.Item, s.Model, s.FakeOf, s.Health));
+            Session.Save();
+            Open();
+        }
+
         /// <summary>我的订单与论坛情报。</summary>
         private static void MinePage(CustomUIBuilder b, int day)
         {
@@ -418,7 +482,14 @@ namespace Decentralized
             Columns(b, l =>
             {
                 l.AddHeader(L.T("black.mine.h"));
-                if (d.Black.Orders.Count == 0) l.AddLabel(L.T("black.mine.none"));
+                if (d.Black.Orders.Count == 0 && d.Black.Sales.Count == 0) l.AddLabel(L.T("black.mine.none"));
+                foreach (var sl in d.Black.Sales.Where(x => x.State != SaleState.Delisted || x.Why == "fake").OrderByDescending(x => x.ListedDay))
+                {
+                    var sale = sl;
+                    string st = sale.State == SaleState.Sold ? L.T("black.sale.Sold", sale.PayDay) : L.T("black.sale." + sale.State + (sale.State == SaleState.Delisted && sale.Why != null ? "." + sale.Why : ""));
+                    l.AddLabel(L.T("black.mine.sale", ItemName(sale.Item), sale.Mult.ToString("0.0", CultureInfo.InvariantCulture), st));
+                    if (sale.State == SaleState.Listed) l.AddButton(L.T("black.sell.delist"), () => Delist(sale));
+                }
                 foreach (var o in d.Black.Orders.OrderByDescending(x => x.PlacedDay))
                     l.AddLabel(L.T("black.mine.line", ItemName(o.Item), o.Seller, L.T("black.mode." + o.Mode), L.T("black.state." + o.State + (o.Why != null && o.State != OrderState.Done ? "." + o.Why : "")), o.DueDay));
             }, r =>