universaleditor/editor-legacy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implemented SaveInternal for BGA data format

Browse Source
This commit is contained in:
Michael Becker 2014-08-08 20:52:47 -04:00
parent 80102d86a2
commit dafb4c6372
1 changed files with 67 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/BGA/BGADataFormat.cs
View File

@ -60,8 +60,6 @@ namespace UniversalEditor.DataFormats.FileSystem.BGA
long offset = reader.Accessor.Position;
reader.Accessor.Seek(compressedSize, SeekOrigin.Current);
// TODO: determine compression method from file extension (.bza = Bzip2, .gza = Gzip)
File file = fsom.AddFile(fileName);
file.Size = decompressedSize;
file.Properties.Add("offset", offset);
@ -105,7 +103,73 @@ namespace UniversalEditor.DataFormats.FileSystem.BGA
protected override void SaveInternal(ObjectModel objectModel)
{
throw new NotImplementedException();
FileSystemObjectModel fsom = (objectModel as FileSystemObjectModel);
if (fsom == null) throw new ObjectModelNotSupportedException();
Writer writer = base.Accessor.Writer;
File[] files = fsom.GetAllFiles();
foreach (File file in files)
{
uint unknown1 = 0;
writer.WriteUInt32(unknown1);
BGACompressionMethod compressionMethod = BGACompressionMethod.Bzip2;
string compressionType = String.Empty;
switch (compressionMethod)
{
case BGACompressionMethod.Bzip2:
{
compressionType = "BZ2";
break;
}
case BGACompressionMethod.Gzip:
{
compressionType = "GZIP";
break;
}
default:
{
throw new InvalidDataFormatException("Compression type " + compressionType + " not supported!");
break;
}
}
writer.WriteFixedLengthString(compressionType, 4);
byte[] decompressedData = file.GetDataAsByteArray();
byte[] compressedData = decompressedData;
switch (compressionMethod)
{
case BGACompressionMethod.Bzip2:
{
compressedData = CompressionModule.FromKnownCompressionMethod(CompressionMethod.Bzip2).Compress(decompressedData);
break;
}
case BGACompressionMethod.Gzip:
{
compressedData = CompressionModule.FromKnownCompressionMethod(CompressionMethod.Gzip).Compress(decompressedData);
break;
}
}
writer.WriteUInt32((uint)compressedData.Length);
writer.WriteUInt32((uint)decompressedData.Length);
uint checksum /*?*/ = 0;
writer.WriteUInt32(checksum);
ushort unknown2 = 0;
writer.WriteUInt16(unknown2);
ushort unknown3 = 0;
writer.WriteUInt16(unknown3);
ushort unknown4 = 0;
writer.WriteUInt16(unknown4);
ushort fileNameLength = (ushort)file.Name.Length;
writer.WriteUInt16(fileNameLength);
writer.WriteFixedLengthString(file.Name, fileNameLength);
writer.WriteBytes(compressedData);
}
}
}
}