From 37164ea62d4be6fc71f8fc1344035331d5ab62aa Mon Sep 17 00:00:00 2001
From: wuwenbo <wuwenbo@bilibili.com>
Date: Thu, 2 Jul 2026 14:26:40 +0800
Subject: [PATCH] Validate culture card purchase limits

---
 Unity/Assets/Scripts/TH1_Data/PlayerData.cs | 30 +++++++++++++++++----
 1 file changed, 25 insertions(+), 5 deletions(-)

diff --git a/Unity/Assets/Scripts/TH1_Data/PlayerData.cs b/Unity/Assets/Scripts/TH1_Data/PlayerData.cs
index 7fe0a2634..d66a417aa 100644
--- a/Unity/Assets/Scripts/TH1_Data/PlayerData.cs
+++ b/Unity/Assets/Scripts/TH1_Data/PlayerData.cs
@@ -2301,10 +2301,7 @@ namespace RuntimeData
         // 购买文化卡
         public bool TryBuyCultureCard(MapData map, PlayerData player, CultureCardType cardType)
         {
-            if (!Table.Instance.CultureCardDataAssets.GetCultureCardInfo(cardType, out var info)) return false;
-            if (!info.CheckEmpireCanUseCard(player.Empire)) return false;
-            if (!info.CheckPrerequisiteCardsOwned(player)) return false;
-            if (!info.CheckPlayerCanAfford(player)) return false;
+            if (!CheckCanBuyCultureCard(map, player, cardType, out var info)) return false;
             info.SpendCost(player);
             CultureCardList.Add(cardType);
             var card = CultureCardFactory.GetCultureCardBase(cardType);
@@ -2316,12 +2313,35 @@ namespace RuntimeData
         // 能否购买文化卡
         public bool CheckCanBuyCultureCard(MapData map, PlayerData player, CultureCardType cardType)
         {
-            if (!Table.Instance.CultureCardDataAssets.GetCultureCardInfo(cardType, out var info)) return false;
+            return CheckCanBuyCultureCard(map, player, cardType, out _);
+        }
+
+        private bool CheckCanBuyCultureCard(MapData map, PlayerData player, CultureCardType cardType, out CultureCardInfo info)
+        {
+            info = null;
+            var dataAssets = Table.Instance?.CultureCardDataAssets;
+            if (dataAssets == null || !dataAssets.GetCultureCardInfo(cardType, out info)) return false;
+            if (player == null) return false;
+            if (info.NotShow) return false;
+            var ownedCount = GetCultureCardOwnedCount(cardType);
+            if (info.MaxCount > 0 && ownedCount >= info.MaxCount) return false;
             if (!info.CheckEmpireCanUseCard(player.Empire)) return false;
             if (!info.CheckPrerequisiteCardsOwned(player)) return false;
             if (!info.CheckPlayerCanAfford(player)) return false;
             return true;
         }
+
+        private int GetCultureCardOwnedCount(CultureCardType cardType)
+        {
+            var count = 0;
+            if (CultureCardList == null) return count;
+            foreach (var ownedCardType in CultureCardList)
+            {
+                if (ownedCardType == cardType) count++;
+            }
+
+            return count;
+        }
         
         public void OnTurnStart(MapData map, PlayerData player)
         {