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Added DataFormat for Terminal Reality POD archive

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This commit is contained in:
Michael Becker 2014-10-07 20:23:47 -04:00
parent 5dcb7b822d
commit c6179ebfdc
3 changed files with 225 additions and 0 deletions
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210
CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/TerminalReality/POD/PODDataFormat.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using UniversalEditor.IO;
using UniversalEditor.ObjectModels.FileSystem;
namespace UniversalEditor.DataFormats.FileSystem.TerminalReality.POD
{
public class PODDataFormat : DataFormat
{
private static DataFormatReference _dfr = null;
public override DataFormatReference MakeReference()
{
if (_dfr == null)
{
_dfr = base.MakeReference();
_dfr.Capabilities.Add(typeof(FileSystemObjectModel), DataFormatCapabilities.All);
_dfr.ExportOptions.Add(new CustomOptionChoice("FormatVersion", "Format &version: ", true, new CustomOptionFieldChoice[]
{
new CustomOptionFieldChoice("POD1", PODVersion.POD1, true),
new CustomOptionFieldChoice("POD2", PODVersion.POD2)
}));
_dfr.ExportOptions.Add(new CustomOptionText("ArchiveName", "Archive &name: "));
_dfr.Filters.Add("Terminal Reality POD archive", new string[] { "*.pod" });
_dfr.Sources.Add("http://wiki.xentax.com/index.php?title=PODArchive1");
_dfr.Sources.Add("http://wiki.xentax.com/index.php?title=PODArchive2");
}
return _dfr;
}
private PODVersion mvarFormatVersion = PODVersion.POD1;
public PODVersion FormatVersion { get { return mvarFormatVersion; } set { mvarFormatVersion = value; } }
private string mvarArchiveName = String.Empty;
public string ArchiveName { get { return mvarArchiveName; } set { mvarArchiveName = value; } }
protected override void LoadInternal(ref ObjectModel objectModel)
{
FileSystemObjectModel fsom = (objectModel as FileSystemObjectModel);
if (fsom == null) throw new ObjectModelNotSupportedException();
Reader reader = base.Accessor.Reader;
string signatureV2 = reader.ReadFixedLengthString(4);
if (signatureV2 == "POD2")
{
mvarFormatVersion = PODVersion.POD2;
}
else
{
base.Accessor.Seek(-4, SeekOrigin.Current);
}
if (mvarFormatVersion == PODVersion.POD2)
{
uint unknown1 = reader.ReadUInt32();
}
mvarArchiveName = reader.ReadFixedLengthString(80);
mvarArchiveName = mvarArchiveName.TrimNull();
uint fileCount = reader.ReadUInt32();
uint trailCount = 0;
if (mvarFormatVersion == PODVersion.POD2)
{
trailCount = reader.ReadUInt32();
}
switch (mvarFormatVersion)
{
case PODVersion.POD1:
{
for (uint i = 0; i < fileCount; i++)
{
string fileName = reader.ReadFixedLengthString(32);
fileName = fileName.TrimNull();
uint length = reader.ReadUInt32();
uint offset = reader.ReadUInt32();
File file = fsom.AddFile(fileName);
file.Size = length;
file.Properties.Add("reader", reader);
file.Properties.Add("length", length);
file.Properties.Add("offset", offset);
file.DataRequest += file_DataRequest;
}
break;
}
case PODVersion.POD2:
{
uint[] lengths = new uint[fileCount];
uint[] offsets = new uint[fileCount];
for (uint i = 0; i < fileCount; i++)
{
// from start of filename directory
uint filenameOffset = reader.ReadUInt32();
lengths[i] = reader.ReadUInt32();
offsets[i] = reader.ReadUInt32();
ulong unknown = reader.ReadUInt64();
}
for (uint i = 0; i < fileCount; i++)
{
string fileName = reader.ReadNullTerminatedString();
File file = fsom.AddFile(fileName);
file.Size = lengths[i];
file.Properties.Add("reader", reader);
file.Properties.Add("length", lengths[i]);
file.Properties.Add("offset", offsets[i]);
file.DataRequest += file_DataRequest;
}
break;
}
}
}
private void file_DataRequest(object sender, DataRequestEventArgs e)
{
File file = (sender as File);
Reader reader = (Reader)file.Properties["reader"];
uint length = (uint)file.Properties["length"];
uint offset = (uint)file.Properties["offset"];
reader.Accessor.Seek(offset, SeekOrigin.Begin);
byte[] data = reader.ReadBytes(length);
e.Data = data;
}
protected override void SaveInternal(ObjectModel objectModel)
{
FileSystemObjectModel fsom = (objectModel as FileSystemObjectModel);
if (fsom == null) throw new ObjectModelNotSupportedException();
Writer writer = base.Accessor.Writer;
if (mvarFormatVersion == PODVersion.POD2)
{
writer.WriteFixedLengthString("POD2");
writer.WriteUInt32(0);
}
writer.WriteFixedLengthString(mvarArchiveName, 80);
File[] files = fsom.GetAllFiles();
writer.WriteUInt32((uint)files.Length);
if (mvarFormatVersion == PODVersion.POD2)
{
writer.WriteUInt32(0); // trail count
}
switch (mvarFormatVersion)
{
case PODVersion.POD1:
{
uint offset = (uint)(base.Accessor.Position + (40 * files.Length));
foreach (File file in files)
{
writer.WriteFixedLengthString(file.Name, 32);
uint length = (uint)file.Size;
writer.WriteUInt32(length);
writer.WriteUInt32(offset);
offset += length;
}
foreach (File file in files)
{
writer.WriteBytes(file.GetDataAsByteArray());
}
break;
}
case PODVersion.POD2:
{
uint fileNameDirectoryStart = (uint)base.Accessor.Position;
fileNameDirectoryStart += (uint)(20 * files.Length);
uint fileNameOffset = fileNameDirectoryStart;
uint offset = fileNameDirectoryStart;
for (uint i = 0; i < files.Length; i++)
{
offset += (uint)(files[i].Name.Length + 1);
}
for (uint i = 0; i < files.Length; i++)
{
// from start of filename directory
writer.WriteUInt32(fileNameOffset);
uint length = (uint)(files[i].Size);
writer.WriteUInt32(length);
writer.WriteUInt32(offset);
writer.WriteUInt64(0); // unknown
fileNameOffset += (uint)(files[i].Name.Length + 1);
offset += length;
}
for (uint i = 0; i < files.Length; i++)
{
writer.WriteNullTerminatedString(files[i].Name);
}
for (uint i = 0; i < files.Length; i++)
{
writer.WriteBytes(files[i].GetDataAsByteArray());
}
writer.Flush();
break;
}
}
}
}
}

13
CSharp/Plugins/UniversalEditor.Plugins.FileSystem/DataFormats/FileSystem/TerminalReality/POD/PODVersion.cs Normal file
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace UniversalEditor.DataFormats.FileSystem.TerminalReality.POD
{
public enum PODVersion
{
POD1,
POD2
}
}

2
CSharp/Plugins/UniversalEditor.Plugins.FileSystem/UniversalEditor.Plugins.FileSystem.csproj
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@ -146,6 +146,8 @@
<Compile Include="DataFormats\FileSystem\StuffIt\StuffItDataFormat.cs" />
<Compile Include="DataFormats\FileSystem\TapeArchive\TapeArchiveDataFormat.cs" />
<Compile Include="DataFormats\FileSystem\TapeArchive\TapeArchiveRecordType.cs" />
<Compile Include="DataFormats\FileSystem\TerminalReality\POD\PODDataFormat.cs" />
<Compile Include="DataFormats\FileSystem\TerminalReality\POD\PODVersion.cs" />
<Compile Include="DataFormats\FileSystem\TLCD\Internal\TLCSequence.cs" />
<Compile Include="DataFormats\FileSystem\TLCD\TLCDDataFormat.cs" />
<Compile Include="DataFormats\FileSystem\TroikaGames\Arcanum\DATDataFormat.cs" />