Add ext description text

Assets/PerfectWorld/Scripts/Managers/EC_InventoryUI.cs

@@ -53,6 +53,12 @@ namespace BrewMonster.Scripts.Managers
 		private static bool s_hasPendingCash;
 		private static int s_pendingCashAmount;
 
+		// Flags to prevent log spam for extended description warnings
+		// 防止扩展描述警告日志刷屏的标志
+		private static bool m_HasLoggedExtDescNull = false;
+		private static bool m_HasLoggedExtDescNotInit = false;
+		private static bool m_HasLoggedExtDescError = false;
+
         private InventoryModel model;
         private InventoryView view;
         
@@ -828,16 +834,81 @@ namespace BrewMonster.Scripts.Managers
             {
                 // Fallback to legacy string-table description if centralised pipeline returns empty
                 string itemDescription = GetItemDescription(item.m_tid);
-                string itemExtendedDesc = GetItemExtendedDescription(item.m_tid);
                 descriptionText?.Set(itemDescription ?? "No description available");
-                extendedDescText?.Set(itemExtendedDesc ?? "");
+            }
+
+            // Get extended description exactly like C++ code: g_pGame->GetItemExtDesc(m_tid)
+            // C++ code doesn't check IsInitialized() - it just calls GetWideString() directly
+            // 完全按照C++代码获取扩展描述：g_pGame->GetItemExtDesc(m_tid)
+            // C++代码不检查IsInitialized() - 它直接调用GetWideString()
+            string szExtDesc = null;
+            try
+            {
+                var itemExtDescTab = EC_Game.GetItemExtDesc();
+                if (itemExtDescTab != null)
+                {
+                    // First try to get mapped message ID (like TryGetItemExtDesc does)
+                    // 首先尝试获取映射的消息ID（如TryGetItemExtDesc所做）
+                    if (EC_Game.TryGetItemMsg(item.m_tid, out int messageId, out int displayMode))
+                    {
+                        szExtDesc = itemExtDescTab.GetWideString(messageId);
+                    }
+
+                    // Fallback: direct lookup using tid (exactly like C++: m_ItemExtDesc.GetWideString(tid))
+                    // 回退：直接使用tid查找（完全像C++：m_ItemExtDesc.GetWideString(tid)）
+                    if (string.IsNullOrEmpty(szExtDesc))
+                    {
+                        szExtDesc = itemExtDescTab.GetWideString(item.m_tid);
+                    }
+                }
+            }
+            catch (System.Exception ex)
+            {
+                // Only log once to avoid spam
+                // 仅记录一次以避免垃圾日志
+                if (!m_HasLoggedExtDescError)
+                {
+                    Debug.LogWarning($"[InventoryUI] Error getting extended description: {ex.Message}");
+                    m_HasLoggedExtDescError = true;
+                }
+            }
+
+            // Display extended description if found (exactly like C++ checks: if (!szExtDesc || !szExtDesc[0]))
+            // 如果找到扩展描述则显示（完全像C++检查：if (!szExtDesc || !szExtDesc[0])）
+            string displayText = !string.IsNullOrEmpty(szExtDesc) 
+                ? szExtDesc.Replace("\\r", "\n") 
+                : "";
+
+            // Debug logging to diagnose issues
+            // 调试日志以诊断问题
+            if (string.IsNullOrEmpty(displayText))
+            {
+                Debug.Log($"[InventoryUI] Extended description is empty for tid={item.m_tid}. szExtDesc was null/empty.");
+            }
+            else
+            {
+                Debug.Log($"[InventoryUI] Found extended description for tid={item.m_tid}, length={displayText.Length}");
             }
 
             // Setup equip and drop buttons
             SetupEquipButton(package, item);
             SetupDropButton(package, item);
 
+            // Show panel first
+            // 先显示面板
             ShowDetailPanel(true);
+
+            // Set text directly - if this causes rebuild issues, we'll use coroutine
+            // 直接设置文本 - 如果这导致重建问题，我们将使用协程
+            if (extendedDescText != null)
+            {
+                extendedDescText.Set(displayText);
+                Debug.Log($"[InventoryUI] Set extended description text, extendedDescText is {(extendedDescText == null ? "null" : "not null")}");
+            }
+            else
+            {
+                Debug.LogWarning("[InventoryUI] extendedDescText is null! Check Inspector assignment.");
+            }
         }
 
         private void SetupEquipButton(byte package, EC_IvtrItem item)