From 181696f93a1f721a3c75f0409a83b386da85028d Mon Sep 17 00:00:00 2001
From: xiaoou <your_email@example.com>
Date: Sun, 5 Jul 2026 01:18:30 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=90=AC=E7=89=8C=E6=A3=80=E6=B5=8Bwc?=
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根因: GetTingTiles传了hand+fullHand+wc=CountWildcards(hand)
  → CheckWin内部又计wildcardsInTiles→双重计数→total%3≠2→guard拒绝

修复: wc固定为0(configured wildcards已在tiles中被CheckWin统计)
  wildcardCount参数仅用于encoding 50+的额外wildcard tiles

效果: 听牌检测不再遗漏可胡牌,显示完整的可胡张数
---
 RuleEngine/AI/HumanMahjongPlayer.cs | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/RuleEngine/AI/HumanMahjongPlayer.cs b/RuleEngine/AI/HumanMahjongPlayer.cs
index 509de4c..2bf22c6 100644
--- a/RuleEngine/AI/HumanMahjongPlayer.cs
+++ b/RuleEngine/AI/HumanMahjongPlayer.cs
@@ -123,19 +123,17 @@ public class HumanMahjongPlayer
     {
         var result = new List<int>();
         var hand = state.Hands.GetValueOrDefault(Name, new List<int>());
-        // Combine with exposed melds
-        var fullHand = new List<int>(hand);
-        if (state.Exposed.TryGetValue(Name, out var melds))
-            foreach (var m in melds)
-                fullHand.AddRange(m.Tiles.Where(t => t != -1));
+        // CheckWin internally counts wildcards in tiles → wildcardCount is for EXTRA wildcards (encoding 50+)
+        // Configured wildcards in hand/exposed are already counted by _wildcards.IsWildcard inside CheckWin
+        // So wildcardCount=0 for Nanchang-type variants, or _rules.Deck.WildcardCount for fixed-extra variants
+        int wc = 0;
 
         // Check all possible tiles for win potential
         var allTiles = MahjongTile.AllTiles(_includeHonors, false);
-        int wc = state.Wildcards.CountWildcards(fullHand);
         foreach (var tile in allTiles)
         {
             if (hand.Count(t => t == tile) >= 4) continue;
-            var r = _solver.CheckWin(fullHand, newTile: tile, wildcardCount: wc);
+            var r = _solver.CheckWin(hand, newTile: tile, wildcardCount: wc);
             if (r != null && r.IsWin) result.Add(tile);
         }
         return result;