private void SetChapterType()
{
if (_inputFilePath.IndexOf("Map") > -1)
{
_type = Enums.SaveFileType.Map;
}
else
{
_type = Enums.SaveFileType.Chapter;
}
}
/// <remarks>Maybe replace this with smarter detection in the future</remarks>
private void SetNonChapterType()
{
if (_filePath.IndexOf("Exchange") > -1)
{
_type = Enums.SaveFileType.Exchange;
}
else if (_filePath.IndexOf("Global") > -1)
{
_type = Enums.SaveFileType.Global;
}
else if (_filePath.IndexOf("Rating") > -1)
{
_type = Enums.SaveFileType.Rating;
}
else
{
_type = Enums.SaveFileType.Unknown;
}
}
/// <summary>
/// Read data into this object from the file at _inputFilePath
/// </summary>
public virtual void Read()
{
byte[] chunk;
int length = GetFileLength();
using (var fs = new FileStream(_inputFilePath, FileMode.Open, FileAccess.Read))
using (var br = new BinaryReader(fs))
{
// Read the first four bytes
chunk = new byte[4];
br.Read(chunk, 0, 4);
if (Enumerable.SequenceEqual(chunk, _compMarker))
{
_isCompressed = true;
SetNonChapterType();
br.BaseStream.Seek(0x10, SeekOrigin.Begin);
byte[] compressedBytes = new byte[length - 0x10];
br.Read(compressedBytes, 0, length - 0x10);
_decompressedBytes = Decompress(compressedBytes);
return;
}
else if (Enumerable.SequenceEqual(chunk, _indeMarker))
{
_isCompressed = false;
SetNonChapterType();
br.BaseStream.Seek(0, SeekOrigin.Begin);
_decompressedBytes = new byte[length];
br.Read(_decompressedBytes, 0, length);
return;
}
br.ReadBytes(0xBC); // Chapter header size (0xC0) minus the four bytes we already read
chunk = new byte[4];
br.Read(chunk, 0, 4);
if (Enumerable.SequenceEqual(chunk, _compMarker))
{
_isCompressed = true;
_type = Enums.SaveFileType.Chapter;
br.BaseStream.Seek(0, SeekOrigin.Begin);
byte[] header = new byte[0xC0];
br.Read(header, 0, 0xC0);
br.BaseStream.Seek(0xD0, SeekOrigin.Begin);
byte[] compressedBytes = new byte[length - 0xD0];
br.Read(compressedBytes, 0, length - 0xD0);
byte[] decompressedBytes = Decompress(compressedBytes);
_decompressedBytes = header.Concat(decompressedBytes).ToArray();
return;
}
else if (Enumerable.SequenceEqual(chunk, _indeMarker))
{
_isCompressed = false;
_type = Enums.SaveFileType.Chapter;
br.BaseStream.Seek(0, SeekOrigin.Begin);
_decompressedBytes = new byte[length];
br.Read(_decompressedBytes, 0, length);
return;
}
throw new FileLoadException("File is not a valid Fire Emblem Fates save file");
}
}
