public static SaveGameFile Load(string basePath, string currentSaveDir)
{
var result = new SaveGameFile();
var indexPath = basePath + ".tfai";
var archiveIndex = ArchiveIndexReader.ReadIndex(indexPath);
using var dataStream = new FileStream(basePath + ".tfaf", FileMode.Open);
byte[] gameStateData = null;
byte[] spellPacketData = null;
byte[] partyConfigData = null;
byte[] mapFleeData = null;
byte[] uiStateData = null;
bool GrabData(ArchiveIndexEntry entry, string filename, ref byte[] bufferOut)
{
if (entry.Path == filename)
{
if (bufferOut != null)
{
throw new CorruptSaveException($"File {filename} exists twice in the save game!");
}
var buffer = new byte[entry.Size];
dataStream.Read(buffer);
if (Debugger.IsAttached)
{
var fullPath = Path.Join(currentSaveDir, entry.Path);
File.WriteAllBytes(fullPath, buffer);
}
bufferOut = buffer;
return(true);
}
return(false);
}
foreach (var entry in archiveIndex)
{
var fullPath = Path.Join(currentSaveDir, entry.Path);
if (entry.Directory)
{
Directory.CreateDirectory(fullPath);
continue;
}
if (GrabData(entry, MainStateFile, ref gameStateData) ||
GrabData(entry, ActionSequencesSpellsFile, ref spellPacketData) ||
GrabData(entry, PartyConfigFile, ref partyConfigData) ||
GrabData(entry, MapFleeFile, ref mapFleeData) ||
GrabData(entry, UiStateFile, ref uiStateData))
{
continue;
}
CopyStreamToFile(dataStream, entry.Size, fullPath);
}
if (gameStateData == null)
{
throw new CorruptSaveException($"Save file is missing {MainStateFile}");
}
if (spellPacketData == null)
{
throw new CorruptSaveException($"Save file is missing {ActionSequencesSpellsFile}");
}
if (partyConfigData == null)
{
throw new CorruptSaveException($"Save file is missing {PartyConfigFile}");
}
if (mapFleeData == null)
{
throw new CorruptSaveException($"Save file is missing {MapFleeFile}");
}
if (uiStateData == null)
{
throw new CorruptSaveException($"Save file is missing {UiStateFile}");
}
result.GameState = SavedGameState.Load(gameStateData, spellPacketData, partyConfigData, mapFleeData);
result.UiState = SavedUiState.Load(uiStateData);
// Load the optional Co8 data if it exists
var co8Path = basePath + ".co8";
if (File.Exists(co8Path))
{
result.Co8State = SavedCo8State.Load(co8Path);
}
return(result);
}
