When NAND is damaged, show title names from save files

The earlier code always tried to use TitleDatabase for getting
title names, but that didn't work for disc-based games, because
there was no way to get the maker ID.

Source/Core/Common/StringUtil.cpp

@@ -582,6 +582,6 @@ std::string UTF16BEToUTF8(const char16_t* str, size_t max_size)
 {
   const char16_t* str_end = std::find(str, str + max_size, '\0');
   std::wstring result(static_cast<size_t>(str_end - str), '\0');
-  std::transform(str, str_end, result.begin(), static_cast<u16(&)(u16)>(Common::swap16));
+  std::transform(str, str_end, result.begin(), static_cast<u16 (&)(u16)>(Common::swap16));
   return UTF16ToUTF8(result);
 }

Source/Core/Core/TitleDatabase.cpp

@@ -166,12 +166,12 @@ std::string TitleDatabase::GetTitleName(const std::string& game_id, TitleType ty
   return iterator != map.end() ? iterator->second : "";
 }
 
-std::string TitleDatabase::GetTitleName(u64 title_id) const
+std::string TitleDatabase::GetChannelName(u64 title_id) const
 {
   const std::string id{
       {static_cast<char>((title_id >> 24) & 0xff), static_cast<char>((title_id >> 16) & 0xff),
        static_cast<char>((title_id >> 8) & 0xff), static_cast<char>(title_id & 0xff)}};
-  return GetTitleName(id, IOS::ES::IsChannel(title_id) ? TitleType::Channel : TitleType::Other);
+  return GetTitleName(id, TitleType::Channel);
 }
 
 std::string TitleDatabase::Describe(const std::string& game_id, TitleType type) const

Source/Core/Core/TitleDatabase.h

@@ -27,7 +27,9 @@ public:
   // Get a user friendly title name for a game ID.
   // This falls back to returning an empty string if none could be found.
   std::string GetTitleName(const std::string& game_id, TitleType = TitleType::Other) const;
-  std::string GetTitleName(u64 title_id) const;
+
+  // Same as above, but takes a title ID instead of a game ID, and can only find names of channels.
+  std::string GetChannelName(u64 title_id) const;
 
   // Get a description for a game ID (title name if available + game ID).
   std::string Describe(const std::string& game_id, TitleType = TitleType::Other) const;

Source/Core/DolphinQt2/MenuBar.cpp

@@ -16,6 +16,7 @@
 #include "Common/CommonPaths.h"
 #include "Common/FileUtil.h"
 #include "Common/StringUtil.h"
+
 #include "Core/CommonTitles.h"
 #include "Core/ConfigManager.h"
 #include "Core/Core.h"
@@ -27,7 +28,10 @@
 #include "Core/State.h"
 #include "Core/TitleDatabase.h"
 #include "Core/WiiUtils.h"
+
 #include "DiscIO/NANDImporter.h"
+#include "DiscIO/WiiSaveBanner.h"
+
 #include "DolphinQt2/AboutDialog.h"
 #include "DolphinQt2/GameList/GameFile.h"
 #include "DolphinQt2/QtUtils/ActionHelper.h"
@@ -557,10 +561,25 @@ void MenuBar::CheckNAND()
     Core::TitleDatabase title_db;
     for (const u64 title_id : result.titles_to_remove)
     {
-      const std::string name = title_db.GetTitleName(title_id);
+      title_listings += StringFromFormat("%016" PRIx64, title_id);
-      title_listings += !name.empty() ?
+
-                            StringFromFormat("%s (%016" PRIx64 ")", name.c_str(), title_id) :
+      const std::string database_name = title_db.GetChannelName(title_id);
-                            StringFromFormat("%016" PRIx64, title_id);
+      if (!database_name.empty())
+      {
+        title_listings += " - " + database_name;
+      }
+      else
+      {
+        DiscIO::WiiSaveBanner banner(title_id);
+        if (banner.IsValid())
+        {
+          title_listings += " - " + banner.GetName();
+          const std::string description = banner.GetDescription();
+          if (!StripSpaces(description).empty())
+            title_listings += " - " + description;
+        }
+      }
+
       title_listings += "\n";
     }
 

Source/Core/DolphinWX/FrameTools.cpp

@@ -57,11 +57,13 @@
 #include "Core/PowerPC/PPCSymbolDB.h"
 #include "Core/PowerPC/PowerPC.h"
 #include "Core/State.h"
+#include "Core/TitleDatabase.h"
 #include "Core/WiiUtils.h"
 
 #include "DiscIO/Enums.h"
 #include "DiscIO/NANDImporter.h"
 #include "DiscIO/VolumeWad.h"
+#include "DiscIO/WiiSaveBanner.h"
 
 #include "DolphinWX/AboutDolphin.h"
 #include "DolphinWX/Cheats/CheatsWindow.h"
@@ -1331,10 +1333,25 @@ void CFrame::OnCheckNAND(wxCommandEvent&)
     Core::TitleDatabase title_db;
     for (const u64 title_id : result.titles_to_remove)
     {
-      const std::string name = title_db.GetTitleName(title_id);
+      title_listings += StringFromFormat("%016" PRIx64, title_id);
-      title_listings += !name.empty() ?
+
-                            StringFromFormat("%s (%016" PRIx64 ")", name.c_str(), title_id) :
+      const std::string database_name = title_db.GetChannelName(title_id);
-                            StringFromFormat("%016" PRIx64, title_id);
+      if (!database_name.empty())
+      {
+        title_listings += " - " + database_name;
+      }
+      else
+      {
+        DiscIO::WiiSaveBanner banner(title_id);
+        if (banner.IsValid())
+        {
+          title_listings += " - " + banner.GetName();
+          const std::string description = banner.GetDescription();
+          if (!StripSpaces(description).empty())
+            title_listings += " - " + description;
+        }
+      }
+
       title_listings += "\n";
     }
 
@@ -1344,7 +1361,7 @@ void CFrame::OnCheckNAND(wxCommandEvent&)
           "By continuing, the following title(s) will be removed:\n\n"
           "%s"
           "\nLaunching these titles may also fix the issues."),
-        title_listings.c_str());
+        StrToWxStr(title_listings));
   }
 
   if (wxMessageBox(message, _("NAND Check"), wxYES_NO) != wxYES)