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Implemented SaveInternal() for Troika Games Arcanum DAT format

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This commit is contained in:
Michael Becker 2014-07-02 17:30:30 -04:00
parent bc17cc2bd4
commit b75da2796e
1 changed files with 55 additions and 7 deletions
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62
CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/TroikaGames/Arcanum/DATDataFormat.cs
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@ -34,18 +34,19 @@ namespace UniversalEditor.DataFormats.FileSystem.TroikaGames.Arcanum
// seek to end of archive and read TS
br.Accessor.Seek(-4, SeekOrigin.End);
uint TS = br.ReadUInt32();
uint fileTableSize = br.ReadUInt32();
// seek to TS and read FSP
uint AS = (uint)(br.Accessor.Position - 4 - TS);
uint AS = (uint)(br.Accessor.Length - 4 - fileTableSize);
br.Accessor.Seek(AS, SeekOrigin.Begin);
uint FSP = br.ReadUInt32();
uint fileTableOffset = br.ReadUInt32();
// seek to FSP and read FA
br.Accessor.Seek(FSP, SeekOrigin.Begin);
uint FA = br.ReadUInt32();
br.Accessor.Seek(fileTableOffset, SeekOrigin.Begin);
uint fileCount = br.ReadUInt32();
for (uint i = 0; i < FA; i++)
for (uint i = 0; i < fileCount; i++)
{
uint fileNameSize = br.ReadUInt32();
string fileName = String.Empty;
@ -87,12 +88,59 @@ namespace UniversalEditor.DataFormats.FileSystem.TroikaGames.Arcanum
br.Accessor.Position = offset;
byte[] compressedData = br.ReadBytes(CompressedLength);
byte[] decompressedData = CompressionModules.Zlib.Decompress(compressedData);
byte[] decompressedData = Compression.CompressionModule.FromKnownCompressionMethod(CompressionMethod.Zlib).Decompress(compressedData);
e.Data = decompressedData;
}
protected override void SaveInternal(ObjectModel objectModel)
{
FileSystemObjectModel fsom = (objectModel as FileSystemObjectModel);
if (fsom == null) throw new ObjectModelNotSupportedException();
Writer writer = base.Accessor.Writer;
File[] files = fsom.GetAllFiles();
uint fileTableSize = 8;
uint fileTableOffset = 4;
byte[][] compressedDatas = new byte[files.Length][];
for (int i = 0; i < files.Length; i++)
{
byte[] decompressedData = files[i].GetDataAsByteArray();
byte[] compressedData = Compression.CompressionModule.FromKnownCompressionMethod(CompressionMethod.Zlib).Compress(decompressedData);
compressedDatas[i] = compressedData;
writer.WriteBytes(compressedData);
fileTableSize += (uint)(24 + files[i].Name.Length);
fileTableOffset += (uint)compressedDatas[i].Length;
}
writer.WriteUInt32(fileTableOffset);
writer.WriteUInt32((uint)files.Length);
uint offset = 0;
for (int i = 0; i < files.Length; i++)
{
File file = files[i];
writer.WriteUInt32((uint)file.Name.Length);
writer.WriteFixedLengthString(file.Name);
uint unknown1 = 0;
uint unknown2 = 0;
writer.WriteUInt32(unknown1);
writer.WriteUInt32(unknown2);
byte[] decompressedData = file.GetDataAsByteArray();
byte[] compressedData = compressedDatas[i];
writer.WriteUInt32((uint)decompressedData.Length);
writer.WriteUInt32((uint)compressedData.Length);
writer.WriteUInt32(offset);
offset += (uint)compressedData.Length;
}
writer.WriteUInt32(fileTableSize);
}
}
}