GameDatabase: Fix identification of misnamed-exe games

src/core/game_database.cpp

@@ -41,6 +41,7 @@ enum : u32
 };
 
 static Entry* GetMutableEntry(const std::string_view& serial);
+static const Entry* GetEntryForId(const std::string_view& code);
 
 static bool LoadFromCache();
 static bool SaveToCache();
@@ -149,15 +150,32 @@ std::string GameDatabase::GetSerialForPath(const char* path)
 const GameDatabase::Entry* GameDatabase::GetEntryForDisc(CDImage* image)
 {
   std::string id;
-  System::GetGameDetailsFromImage(image, &id, nullptr);
+  System::GameHash hash;
+  System::GetGameDetailsFromImage(image, &id, &hash);
+  const Entry* entry = GetEntryForGameDetails(id, hash);
+  if (entry)
+    return entry;
+
+  Log_WarningPrintf("No entry found for disc '%s'", id.c_str());
+  return nullptr;
+}
+
+const GameDatabase::Entry* GameDatabase::GetEntryForGameDetails(const std::string& id, u64 hash)
+{
+  const Entry* entry;
+
   if (!id.empty())
   {
-    const Entry* entry = GetEntryForId(id);
+    entry = GetEntryForId(id);
     if (entry)
       return entry;
   }
 
-  Log_WarningPrintf("No entry found for disc '%s'", id.c_str());
+  // some games with invalid serials use the hash
+  entry = GetEntryForId(System::GetGameHashId(hash));
+  if (entry)
+    return entry;
+
   return nullptr;
 }
 

src/core/game_database.h

@@ -92,7 +92,7 @@ void EnsureLoaded();
 void Unload();
 
 const Entry* GetEntryForDisc(CDImage* image);
-const Entry* GetEntryForId(const std::string_view& code);
+const Entry* GetEntryForGameDetails(const std::string& id, u64 hash);
 const Entry* GetEntryForSerial(const std::string_view& serial);
 std::string GetSerialForDisc(CDImage* image);
 std::string GetSerialForPath(const char* path);

src/core/game_list.cpp

@@ -216,7 +216,7 @@ bool GameList::GetDiscListEntry(const std::string& path, Entry* entry)
   System::GetGameDetailsFromImage(cdi.get(), &id, &entry->hash);
 
   // try the database first
-  const GameDatabase::Entry* dentry = GameDatabase::GetEntryForId(id);
+  const GameDatabase::Entry* dentry = GameDatabase::GetEntryForGameDetails(id, entry->hash);
   if (dentry)
   {
     // pull from database

src/core/system.cpp

@@ -3346,7 +3346,7 @@ void System::UpdateRunningGame(const char* path, CDImage* image, bool booting)
       std::string id;
       GetGameDetailsFromImage(image, &id, &s_running_game_hash);
 
-      s_running_game_entry = GameDatabase::GetEntryForId(id);
+      s_running_game_entry = GameDatabase::GetEntryForGameDetails(id, s_running_game_hash);
       if (s_running_game_entry)
       {
         s_running_game_serial = s_running_game_entry->serial;

src/duckstation-qt/settingswindow.cpp

@@ -26,11 +26,15 @@
 #include "util/ini_settings_interface.h"
 
 #include "common/assert.h"
+#include "common/error.h"
 #include "common/file_system.h"
+#include "common/log.h"
 
 #include <QtWidgets/QMessageBox>
 #include <QtWidgets/QTextEdit>
 
+Log_SetChannel(SettingsWindow);
+
 static QList<SettingsWindow*> s_open_game_properties_dialogs;
 
 SettingsWindow::SettingsWindow() : QWidget()
@@ -484,18 +488,35 @@ void SettingsWindow::openGamePropertiesDialog(const std::string& path, const std
     }
   }
 
-  std::string filename(System::GetGameSettingsPath(serial));
+  const GameDatabase::Entry* dentry = nullptr;
-  std::unique_ptr<INISettingsInterface> sif = std::make_unique<INISettingsInterface>(std::move(filename));
+  if (!System::IsExeFileName(path) && !System::IsPsfFileName(path))
+  {
+    // Need to resolve hash games.
+    Error error;
+    std::unique_ptr<CDImage> image = CDImage::Open(path.c_str(), false, &error);
+    if (image)
+      dentry = GameDatabase::GetEntryForDisc(image.get());
+    else
+      Log_ErrorFmt("Failed to open '{}' for game properties: {}", path, error.GetDescription());
+
+    if (!dentry)
+    {
+      // Use the serial and hope for the best...
+      dentry = GameDatabase::GetEntryForSerial(serial);
+    }
+  }
+
+  const std::string& real_serial = dentry ? dentry->serial : serial;
+  std::string ini_filename = System::GetGameSettingsPath(real_serial);
+  std::unique_ptr<INISettingsInterface> sif = std::make_unique<INISettingsInterface>(std::move(ini_filename));
   if (FileSystem::FileExists(sif->GetFileName().c_str()))
     sif->Load();
 
-  const GameDatabase::Entry* dentry = GameDatabase::GetEntryForSerial(serial);
-
   const QString window_title(tr("%1 [%2]")
                                .arg(dentry ? QtUtils::StringViewToQString(dentry->title) : QStringLiteral("<UNKNOWN>"))
-                               .arg(QtUtils::StringViewToQString(serial)));
+                               .arg(QtUtils::StringViewToQString(real_serial)));
 
-  SettingsWindow* dialog = new SettingsWindow(path, serial, region, dentry, std::move(sif));
+  SettingsWindow* dialog = new SettingsWindow(path, real_serial, region, dentry, std::move(sif));
   dialog->setWindowTitle(window_title);
   dialog->show();
 }