1 files changed, 105 insertions, 0 deletions
diff --git a/libs/game_bethesda/src/games/skyrim/skyrimsavegame.cpp b/libs/game_bethesda/src/games/skyrim/skyrimsavegame.cpp
new file mode 100644
index 0000000..bd16036
--- /dev/null
+++ b/libs/game_bethesda/src/games/skyrim/skyrimsavegame.cpp
@@ -0,0 +1,105 @@
+#include "skyrimsavegame.h"
+
+#ifdef _WIN32
+#include <Windows.h>
+#else
+#include <QDateTime>
+
+// SYSTEMTIME is _SYSTEMTIME (defined in gamebryosavegame.h for Linux)
+using SYSTEMTIME = _SYSTEMTIME;
+
+// Portable FileTimeToSystemTime: converts Windows FILETIME to SYSTEMTIME
+static void FileTimeToSystemTime(const FILETIME* ft, SYSTEMTIME* st)
+{
+  const uint64_t ticks = (static_cast<uint64_t>(ft->dwHighDateTime) << 32) |
+                         static_cast<uint64_t>(ft->dwLowDateTime);
+  const int64_t unixSecs = static_cast<int64_t>(ticks / 10000000ULL) - 11644473600LL;
+  const uint64_t remainderHns = ticks % 10000000ULL;  // leftover 100ns units
+
+  const QDateTime dt = QDateTime::fromSecsSinceEpoch(unixSecs, Qt::UTC);
+  const QDate d = dt.date();
+  const QTime t = dt.time();
+
+  st->wYear         = static_cast<uint16_t>(d.year());
+  st->wMonth        = static_cast<uint16_t>(d.month());
+  st->wDayOfWeek    = static_cast<uint16_t>(d.dayOfWeek() % 7);  // Qt Mon=1..Sun=7 -> Win Sun=0..Sat=6
+  st->wDay          = static_cast<uint16_t>(d.day());
+  st->wHour         = static_cast<uint16_t>(t.hour());
+  st->wMinute       = static_cast<uint16_t>(t.minute());
+  st->wSecond       = static_cast<uint16_t>(t.second());
+  st->wMilliseconds = static_cast<uint16_t>(remainderHns / 10000);
+}
+#endif
+
+#include "gameskyrim.h"
+
+SkyrimSaveGame::SkyrimSaveGame(QString const& fileName, GameSkyrim const* game)
+    : GamebryoSaveGame(fileName, game)
+{
+  FileWrapper file(getFilepath(), "TESV_SAVEGAME");
+
+  FILETIME ftime;
+  fetchInformationFields(file, m_SaveNumber, m_PCName, m_PCLevel, m_PCLocation, ftime);
+
+  // A file time is a 64-bit value that represents the number of 100-nanosecond
+  // intervals that have elapsed since 12:00 A.M. January 1, 1601 Coordinated Universal
+  // Time (UTC). So we need to convert that to something useful
+  SYSTEMTIME ctime;
+  ::FileTimeToSystemTime(&ftime, &ctime);
+  setCreationTime(ctime);
+}
+
+void SkyrimSaveGame::fetchInformationFields(
+    FileWrapper& file, uint32_t& saveNumber, QString& playerName,
+    unsigned short& playerLevel, QString& playerLocation, FILETIME& creationTime) const
+{
+  file.skip<uint32_t>();  // header size
+  file.skip<uint32_t>();  // header version
+  file.read(saveNumber);
+
+  file.read(playerName);
+
+  uint32_t temp;
+  file.read(temp);
+  playerLevel = static_cast<unsigned short>(temp);
+
+  file.setPluginStringFormat(GamebryoSaveGame::StringFormat::LOCAL8BIT);
+  file.read(playerLocation);
+  file.setPluginStringFormat(GamebryoSaveGame::StringFormat::UTF8);
+
+  QString timeOfDay;
+  file.read(timeOfDay);
+
+  QString race;
+  file.read(race);  // race name (i.e. BretonRace)
+
+  file.skip<unsigned short>();  // Player gender (0 = male)
+  file.skip<float>(2);          // experience gathered, experience required
+
+  file.read(creationTime);
+}
+
+std::unique_ptr<GamebryoSaveGame::DataFields> SkyrimSaveGame::fetchDataFields() const
+{
+  FileWrapper file(getFilepath(), "TESV_SAVEGAME");
+  std::unique_ptr<DataFields> fields = std::make_unique<DataFields>();
+
+  {
+    QString dummyName, dummyLocation;
+    unsigned short dummyLevel;
+    uint32_t dummySaveNumber;
+    FILETIME dummyTime;
+
+    fetchInformationFields(file, dummySaveNumber, dummyName, dummyLevel, dummyLocation,
+                           dummyTime);
+  }
+
+  fields->Screenshot = file.readImage();
+
+  file.skip<unsigned char>();  // form version
+  file.skip<uint32_t>();  // plugin info size
+
+  fields->Plugins = file.readPlugins();
+
+  return fields;
+}