Bug Fix: MyCard UserProfile null crash and rank sprite compile error

Added safe null checks in online profile refresh (OnlineServant/UserProfile) so missing MyCard data no longer crashes, and fixed rankSprites.Length to rankSprites.Count because rank sprites are a List<Sprite>.

Assets/Scripts/MDPro3/Servant/OnlineServant.cs

@@ -235,26 +235,42 @@ namespace MDPro3.Servant
 
         private IEnumerator RefreshMyCardAssets()
         {
+            var onlineUI = GetUI<OnlineServantUI>();
+            if (onlineUI == null || onlineUI.PageMyCard == null || onlineUI.PageMyCard.UserProfile == null)
+                yield break;
+
+            var userProfile = onlineUI.PageMyCard.UserProfile;
+
             var task = MyCard.GetExp();
             while (!task.IsCompleted)
                 yield return null;
 
-            GetUI<OnlineServantUI>().PageMyCard.UserProfile.SetProfile(task.Result);
+            MyCardUserExp expData = null;
+            if (!task.IsCanceled && task.Exception == null)
+                expData = task.Result;
+            userProfile.SetProfile(expData);
 
             while (!Appearance.loaded)
                 yield return null;
-            GetUI<OnlineServantUI>().PageMyCard.UserProfile.Avatar.material = Appearance.duelFrameMat0;
+            if (userProfile.Avatar != null)
+                userProfile.Avatar.material = Appearance.duelFrameMat0;
 
             if (MyCard.avatar == null)
             {
-                var avatarTask = Tools.DownloadImageAsync(MyCard.account.user.avatar);
-                while (!avatarTask.IsCompleted)
-                    yield return null;
-                MyCard.avatar = avatarTask.Result;
-                GetUI<OnlineServantUI>().PageMyCard.UserProfile.Avatar.texture = MyCard.avatar;
+                var avatarAddress = MyCard.account?.user?.avatar;
+                if (!string.IsNullOrEmpty(avatarAddress))
+                {
+                    var avatarTask = Tools.DownloadImageAsync(avatarAddress);
+                    while (!avatarTask.IsCompleted)
+                        yield return null;
+                    MyCard.avatar = avatarTask.Result;
+                }
             }
 
-            GetUI<OnlineServantUI>().PageMyCard.ActivePageFunction();
+            if (userProfile.Avatar != null && MyCard.avatar != null)
+                userProfile.Avatar.texture = MyCard.avatar;
+
+            onlineUI.PageMyCard.ActivePageFunction();
         }
 
         private void RefreshDeckSelector()

Assets/Scripts/MDPro3/UI/Function/UserProfile.cs

@@ -111,22 +111,58 @@ namespace MDPro3.UI
 
         public void SetProfile(MyCardUserExp data)
         {
-            TextUserName.text = MyCard.account.user.name;
-
-            TextExpValue.text = data.exp.ToString();
-            TextDPValue.text = data.pt.ToString();
-            TextAthleticWinValue.text = data.athletic_win.ToString();
-            TextAthleticWinRatioValue.text = data.athletic_wl_ratio + "%";
-            TextAthleticRankValue.text = data.arena_rank.ToString();
-            TextEntertainCountValue.text = data.entertain_all.ToString();
-            TextEntertainRankValue.text = data.exp_rank.ToString();
-
-            var rankSprites = TextureManager.container.GetRankSprites(data.pt);
-            IconBG.sprite = rankSprites[0];
-            IconRank.sprite = rankSprites[1];
-            IconTier1.sprite = rankSprites[2];
-            IconTier2.sprite = rankSprites[3];
-            IconTier3.sprite = rankSprites[4];
+            if (data == null)
+                return;
+
+            var userInfo = MyCard.account?.user;
+            var userName = userInfo?.name;
+            if (string.IsNullOrEmpty(userName))
+                userName = userInfo?.username ?? string.Empty;
+
+            var textUserName = TextUserName;
+            if (textUserName != null)
+                textUserName.text = userName;
+            var textExpValue = TextExpValue;
+            if (textExpValue != null)
+                textExpValue.text = data.exp.ToString();
+            var textDPValue = TextDPValue;
+            if (textDPValue != null)
+                textDPValue.text = data.pt.ToString();
+            var textAthleticWinValue = TextAthleticWinValue;
+            if (textAthleticWinValue != null)
+                textAthleticWinValue.text = data.athletic_win.ToString();
+            var textAthleticWinRatioValue = TextAthleticWinRatioValue;
+            if (textAthleticWinRatioValue != null)
+                textAthleticWinRatioValue.text = data.athletic_wl_ratio + "%";
+            var textAthleticRankValue = TextAthleticRankValue;
+            if (textAthleticRankValue != null)
+                textAthleticRankValue.text = data.arena_rank.ToString();
+            var textEntertainCountValue = TextEntertainCountValue;
+            if (textEntertainCountValue != null)
+                textEntertainCountValue.text = data.entertain_all.ToString();
+            var textEntertainRankValue = TextEntertainRankValue;
+            if (textEntertainRankValue != null)
+                textEntertainRankValue.text = data.exp_rank.ToString();
+
+            var rankSprites = TextureManager.container?.GetRankSprites(data.pt);
+            if (rankSprites == null || rankSprites.Count < 5)
+                return;
+
+            var iconBG = IconBG;
+            if (iconBG != null)
+                iconBG.sprite = rankSprites[0];
+            var iconRank = IconRank;
+            if (iconRank != null)
+                iconRank.sprite = rankSprites[1];
+            var iconTier1 = IconTier1;
+            if (iconTier1 != null)
+                iconTier1.sprite = rankSprites[2];
+            var iconTier2 = IconTier2;
+            if (iconTier2 != null)
+                iconTier2.sprite = rankSprites[3];
+            var iconTier3 = IconTier3;
+            if (iconTier3 != null)
+                iconTier3.sprite = rankSprites[4];
         }
     }
 }