Labels: eight rows (model, build, fan blades, contacts, bracket, print, serial, seal); serial text rules by brand and tier

src/Decentralized.Domain/CardLook.cs

@@ -13,12 +13,15 @@ namespace Decentralized.Domain
         public int Fan;
         /// <summary>金手指：0 光亮，1 发暗，2 氧化发绿（老化）。</summary>
         public int Fingers;
-        /// <summary>挡板：0 完好，1 划痕（老化），2 接口数量不对（假卡）。</summary>
+        /// <summary>挡板：0 完好，1 划痕（老化）。</summary>
         public int Bracket;
         /// <summary>背面丝印：0 与标称型号一致，1 印的是真实芯片的型号（假卡），2 重新印过、字歪（假卡）。</summary>
         public int Print;
-        /// <summary>背面贴纸与封条：0 印刷序列号、封条完好，1 手写序列号（假卡），2 封条缺失（旧卡或翻新卡）。</summary>
+        /// <summary>封条：0 完好，2 缺失（开过封的旧卡或翻新卡）。</summary>
         public int Sticker;
+        /// <summary>序列号：0 合规（格式对、工厂码在合法范围、档次码与型号一致），1 不合规（工厂码不在合法范围或位数不对，贴纸是后补的），
+        /// 2 档次码与标称型号不符（贴的是原芯片的序列号）。后两种只出现在假卡上。</summary>
+        public int Serial;
 
         public const int Variants = 3;
 
@@ -43,7 +46,7 @@ namespace Decentralized.Domain
             double fan = worn + (U(Seed, 1) - 0.5) * 0.3, fin = worn + (U(Seed, 2) - 0.5) * 0.3, brk = worn + (U(Seed, 3) - 0.5) * 0.3;
             l.Fan = fan >= 0.55 ? 2 : fan >= 0.25 ? 1 : 0;
             l.Fingers = fin >= 0.60 ? 2 : fin >= 0.30 ? 1 : 0;
-            if (Bracket != 2) l.Bracket = brk >= 0.45 ? 1 : 0;
+            l.Bracket = brk >= 0.45 ? 1 : 0;
             return l;
         }
 
@@ -52,14 +55,14 @@ namespace Decentralized.Domain
         /// <summary>算力倍数：风扇积灰 ×0.97、缺角 ×0.92（降频）；金手指发暗 ×0.98、氧化 ×0.94（接触不良掉速）。</summary>
         public double HashFactor => FanHash[Fan] * FingerHash[Fingers];
 
-        /// <summary>五位数字，存在物品标签上：风扇、金手指、挡板、丝印、贴纸。</summary>
-        public string Encode() => $"{Fan}{Fingers}{Bracket}{Print}{Sticker}";
+        /// <summary>六位数字，存在物品标签上：风扇、金手指、挡板、丝印、封条、序列号。</summary>
+        public string Encode() => $"{Fan}{Fingers}{Bracket}{Print}{Sticker}{Serial}";
 
         public static CardLook Decode(string s)
         {
-            if (s == null || s.Length != 5) return default;
+            if (s == null || (s.Length != 5 && s.Length != 6)) return default;
             int D(int i) => Math.Max(0, Math.Min(Variants - 1, s[i] - '0'));
-            return new CardLook { Fan = D(0), Fingers = D(1), Bracket = D(2), Print = D(3), Sticker = D(4) };
+            return new CardLook { Fan = D(0), Fingers = D(1), Bracket = D(2), Print = D(3), Sticker = D(4), Serial = s.Length > 5 ? D(5) : 0 };
         }
 
         // 外观维度对应卡的真实状态：损耗、暴毙概率随之变化，价值走标签（见 CardLabels）
@@ -73,7 +76,7 @@ namespace Decentralized.Domain
         public double DeathFactor => FanDeath[Fan] * FingerDeath[Fingers];
 
         /// <summary>只在假卡上出现的取值：玩家一旦看到，就能肯定是假的。</summary>
-        public bool HasFakeSign => Bracket == 2 || Print != 0 || Sticker == 1;
+        public bool HasFakeSign => Print != 0 || Serial != 0;
 
         /// <summary>
         /// 生成外观。真卡：老化维度按健康度出现，封条缺失在二手卡上很常见，不会出现破绽类取值。
@@ -84,26 +87,12 @@ namespace Decentralized.Domain
             var look = new CardLook { Seed = rng.NextUInt() | 1, Sticker = rng.Chance(fake ? 0.35 : 0.15 + 0.30 * (1 - Math.Max(0, Math.Min(100, health)) / 100.0)) ? 2 : 0 };
             if (fake)
             {
-                int signs = rng.Chance(0.55) ? 1 : rng.Chance(0.6) ? 2 : 3;
-                var order = new[] { 0, 1, 2 };
-                for (int i = order.Length - 1; i > 0; i--)
-                {
-                    int j = rng.Range(0, i);
-                    (order[i], order[j]) = (order[j], order[i]);
-                }
-                for (int k = 0; k < signs; k++)
-                {
-                    switch (order[k])
-                    {
-                        case 0: look.Bracket = 2; break;
-                        case 1: look.Print = rng.Chance(0.6) ? 1 : 2; break;
-                        default: look.Sticker = 1; break;
-                    }
-                }
+                // 假卡本身就带着实物上的破绽（低档次的板子：供电口和风扇数对不上），此外骗子还可能重印丝印、补贴序列号
+                if (rng.Chance(0.55)) look.Print = rng.Chance(0.6) ? 1 : 2;
+                if (rng.Chance(0.65)) look.Serial = rng.Chance(0.55) ? 2 : 1;
             }
             return look.Appearance(health);
         }
-
     }
 
     /// <summary>