Candles and volume for every traded asset, chart asset switcher

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

src/Decentralized/CandleChart.cs

@@ -13,6 +13,49 @@ namespace Decentralized
     /// </summary>
     public static class CandleChart
     {
+        /// <summary>画图的币种：全部可交易资产。</summary>
+        public static readonly string[] ChartAssets = { Assets.PSC, Assets.SPARK, Assets.CRT, Assets.CRA, Assets.CRC, Assets.Ponero };
+
+        private static double VolShare(string a) =>
+            a == Assets.PSC ? Tuning.ChartVolPsc : a == Assets.CRC ? Tuning.ChartVolCrc : a == Assets.CRT ? Tuning.ChartVolCrt :
+            a == Assets.CRA ? Tuning.ChartVolCra : a == Assets.SPARK ? Tuning.ChartVolSpark : Tuning.ChartVolPonero;
+
+        /// <summary>开门：每个币开一根蜡烛（开盘接昨天收盘，夜里的价格变化算进来）。</summary>
+        public static void Morning(SaveData d, int day)
+        {
+            foreach (var a in ChartAssets) d.Candles.Open(a, day, Session.Price(a));
+        }
+
+        /// <summary>白天价格变了（不计成交）。</summary>
+        public static void Touch(SaveData d, int day, params string[] assets)
+        {
+            foreach (var a in assets) d.Candles.Tick(a, day, Session.Price(a));
+        }
+
+        /// <summary>玩家的一笔成交：按信用点计进这个币当天的成交量。</summary>
+        public static void Trade(string asset, double credits)
+        {
+            var d = Session.Data;
+            if (d == null || Array.IndexOf(ChartAssets, asset) < 0 || credits <= 0) return;
+            d.Candles.Tick(asset, StoreStation.GetDayCounter(), Session.Price(asset), credits, true);
+        }
+
+        /// <summary>夜间结算：补上当天 NPC 的成交量，收盘。在价格的夜间更新之前调用。</summary>
+        public static void Close(SaveData d, int day)
+        {
+            double depth = Tuning.PoolDepth(day);
+            foreach (var a in ChartAssets)
+            {
+                double p = Session.Price(a);
+                var c = d.Candles.Today(a, day, p);
+                double move = c.O > 0 ? Math.Abs(p / c.O - 1) + (c.H - c.L) / c.O : 0;
+                d.Candles.Tick(a, day, p, CandleBook.NpcVolume(depth, VolShare(a), move, d.Rng));
+                d.Candles.Close(a, day, p);
+            }
+        }
+
+        private static readonly Dictionary<string, string> Picked = new Dictionary<string, string>();
+
         public const int Days = 30, Step = 6, Body = 5, PriceH = 70, Gap = 3, VolH = 16, Pad = 2;
         public const int W = Days * Step + Pad * 2, H = PriceH + Gap + VolH + Pad * 2;
         public const float Scale = 2f;
@@ -49,6 +92,8 @@ namespace Decentralized
                 Func<double, int> y = p => priceY0 + (int)Math.Round((p - lo) / span * (PriceH - 1));
                 double vmax = Math.Max(1, c.Max(x => x.VolPlayer + x.VolNpc));
                 int x0 = Pad + (Days - c.Count) * Step;   // 不足 30 根时靠右
+                // 均线先画，蜡烛盖在上面（贴着锚的稳定币不会被均线遮住）
+                for (int i = 1; i < ma.Count; i++) Line(px, x0 + (i - 1) * Step + Body / 2, y(ma[i - 1]), x0 + i * Step + Body / 2, y(ma[i]), Ma);
                 for (int i = 0; i < c.Count; i++)
                 {
                     var k = c[i];
@@ -69,7 +114,6 @@ namespace Decentralized
                         if (hm > 0) VLine(px, xx, volY0 + hn, volY0 + hn + hm - 1, VolMe);
                     }
                 }
-                for (int i = 1; i < ma.Count; i++) Line(px, x0 + (i - 1) * Step + Body / 2, y(ma[i - 1]), x0 + i * Step + Body / 2, y(ma[i]), Ma);
                 if (threshold > 0) { int ty = y(threshold); for (int xx = Pad; xx < W - Pad; xx++) if ((xx / 3) % 2 == 0) Set(px, xx, ty, Thr); }
             }
             s.Tex.SetPixels32(px);
@@ -78,13 +122,13 @@ namespace Decentralized
         }
 
         /// <summary>图上方的一行说明：最高、最低、最新收盘，涨跌。</summary>
-        public static string Caption(IList<Candle> all)
+        public static string Caption(string asset, IList<Candle> all)
         {
             var c = all.Skip(Math.Max(0, all.Count - Days)).ToList();
-            if (c.Count == 0) return L.T("chart.empty");
+            if (c.Count == 0) return L.T("chart.empty", asset);
             var last = c[c.Count - 1];
             double prev = c.Count > 1 ? c[c.Count - 2].C : last.O, chg = prev > 0 ? last.C / prev - 1 : 0;
-            return L.T("chart.caption", c.Count, Fmt.Num(c.Max(x => x.H)), Fmt.Num(c.Min(x => x.L)), Fmt.Num(last.C), (chg * 100).ToString("+0.0;-0.0;0.0", CultureInfo.InvariantCulture));
+            return L.T("chart.caption", asset, c.Count, Fmt.Num(c.Max(x => x.H)), Fmt.Num(c.Min(x => x.L)), Fmt.Num(last.C), (chg * 100).ToString("+0.0;-0.0;0.0", CultureInfo.InvariantCulture));
         }
 
         private static void Set(Color32[] px, int x, int y, Color32 c) { if (x >= 0 && x < W && y >= 0 && y < H) px[y * W + x] = c; }
@@ -104,12 +148,28 @@ namespace Decentralized
             }
         }
 
-        /// <summary>把图放进界面：说明一行、图、图例一行。</summary>
-        public static void Add(CustomUIBuilder b, string key, IList<Candle> all, double threshold = 0)
+        /// <summary>把一个币的图放进界面：说明一行、图、图例一行。</summary>
+        public static void Add(CustomUIBuilder b, string key, string asset, double threshold = 0)
         {
-            b.AddLabel(Caption(all));
+            var all = Session.Data.Candles.Of(asset);
+            b.AddLabel(Caption(asset, all));
             b.AddImage(Render(key, all, threshold), W * Scale, H * Scale);
             b.AddLabel(L.T(threshold > 0 ? "chart.legend.thr" : "chart.legend"));
         }
+
+        /// <summary>带币种切换的图：上面一排币种按钮（选中的加方括号），切换后重画。</summary>
+        public static void AddPicker(CustomUIBuilder b, string key, string fallback, Action refresh)
+        {
+            var list = ChartAssets.Where(a => a != Assets.Ponero || Unlock.BlackUnlocked).ToList();
+            if (!Picked.TryGetValue(key, out var cur) || !list.Contains(cur)) cur = fallback;
+            b.BeginRow(4f);
+            foreach (var a in list)
+            {
+                string asset = a;
+                b.AddButton(asset == cur ? "[" + asset + "]" : asset, () => { Picked[key] = asset; refresh(); });
+            }
+            b.End();
+            Add(b, key, cur);
+        }
     }
 }