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improvements to RKV data format - incomplete, partially tested

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Michael Becker 2019-11-10 09:55:20 -05:00
parent 68afe04e1e
commit c34ea7f74f
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GPG Key ID: 389DFF5D73781A12
3 changed files with 98 additions and 21 deletions
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20
CSharp/Content/UniversalEditor.Content.PlatformIndependent/Extensions/Microsoft/Associations/RKV.uexml Normal file
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@ -0,0 +1,20 @@
<?xml version="1.0" encoding="utf-8" ?>
<UniversalEditor Version="4.0">
<Associations>
<Association>
<Filters>
<Filter Title="Microsoft XNA RKV archive">
<FileNameFilters>
<FileNameFilter>*.rkv</FileNameFilter>
</FileNameFilters>
</Filter>
</Filters>
<ObjectModels>
<ObjectModel TypeName="UniversalEditor.ObjectModels.FileSystem.FileSystemObjectModel" />
</ObjectModels>
<DataFormats>
<DataFormat TypeName="UniversalEditor.DataFormats.FileSystem.Microsoft.RKV.RKVDataFormat" />
</DataFormats>
</Association>
</Associations>
</UniversalEditor>

1
CSharp/Content/UniversalEditor.Content.PlatformIndependent/UniversalEditor.Content.PlatformIndependent.csproj
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@ -644,6 +644,7 @@
<Content Include="splash.bmp" />
<Content Include="Editors\Executable\Commands.uexml" />
<Content Include="Extensions\GraphicDesigner\Associations\Palette\NewWorldComputingPAL.uexml" />
<Content Include="Extensions\Microsoft\Associations\RKV.uexml" />
</ItemGroup>
<ItemGroup>
<Content Include="Configuration\Application.upl" />

98
CSharp/Plugins/UniversalEditor.Plugins.Microsoft/DataFormats/FileSystem/Microsoft/RKV/RKVDataFormat.cs
View File

@ -38,10 +38,13 @@ namespace UniversalEditor.DataFormats.FileSystem.Microsoft.RKV
_dfr = base.MakeReferenceInternal();
_dfr.Title = "Microsoft XNA RKV archive";
_dfr.Capabilities.Add(typeof(FileSystemObjectModel), DataFormatCapabilities.All);
_dfr.ExportOptions.Add(new CustomOptionText("ArchiveName", "Archive _name"));
}
return _dfr;
}
public string ArchiveName { get; set; } = String.Empty;
protected override void LoadInternal(ref ObjectModel objectModel)
{
FileSystemObjectModel fsom = (objectModel as FileSystemObjectModel);
@ -54,7 +57,7 @@ namespace UniversalEditor.DataFormats.FileSystem.Microsoft.RKV
compression type: lzf (type 2)
*/
string NAME = br.ReadFixedLengthString(0x40);
ArchiveName = br.ReadFixedLengthString(0x40);
long info_off = br.ReadInt64();
long files = br.ReadInt64();
@ -63,6 +66,8 @@ namespace UniversalEditor.DataFormats.FileSystem.Microsoft.RKV
for (long i = 0; i < files; i++)
{
string fileName = br.ReadFixedLengthString(0x40);
fileName = fileName.TrimNull();
long timestamp = br.ReadInt64();
long offset = br.ReadInt64();
int crc = br.ReadInt32();
@ -70,38 +75,89 @@ namespace UniversalEditor.DataFormats.FileSystem.Microsoft.RKV
int zsize = br.ReadInt32();
int zero = br.ReadInt32();
if (size == zsize)
File f = fsom.AddFile(fileName);
f.Size = size;
f.Properties.Add("reader", br);
f.Properties.Add("offset", offset);
f.Properties.Add("size", size);
f.Properties.Add("zsize", zsize);
f.DataRequest += f_DataRequest;
br.Seek(zsize, SeekOrigin.Current);
}
}
void f_DataRequest(object sender, DataRequestEventArgs e)
{
File file = (File)sender;
Reader br = (Reader)file.Properties["reader"];
long offset = (long)file.Properties["offset"];
int size = (int)file.Properties["size"];
int zsize = (int)file.Properties["zsize"];
br.Accessor.Seek(offset, SeekOrigin.Begin);
if (size == zsize)
{
e.Data = br.ReadBytes(size);
}
else
{
byte type = br.ReadByte();
switch (type)
{
// log NAME OFFSET SIZE
}
else
{
long pos = Accessor.Position;
Accessor.Seek(offset, SeekOrigin.Begin);
byte type = br.ReadByte();
switch (type)
{
case 2:
break;
default:
Console.WriteLine("RKV: unknown compression method " + type.ToString());
break;
}
Accessor.Seek(pos, SeekOrigin.Begin);
offset++; // first byte is 0x02
zsize--;
// clog NAME OFFSET ZSIZE SIZE
}
fsom.Files.Add(fileName, new byte[size]);
e.Data = br.ReadBytes(zsize - 1); // first byte is 0x02
}
// clog NAME OFFSET ZSIZE SIZE
}
protected override void SaveInternal(ObjectModel objectModel)
{
throw new NotImplementedException();
FileSystemObjectModel fsom = (objectModel as FileSystemObjectModel);
if (fsom == null) throw new ObjectModelNotSupportedException();
Writer bw = Accessor.Writer;
bw.Endianness = Endianness.BigEndian;
/*
compression type: lzf (type 2)
*/
bw.WriteFixedLengthString(ArchiveName, 0x40);
long info_off = 0x40 + 8 + 8;
bw.WriteInt64(info_off);
File[] files = fsom.GetAllFiles();
bw.WriteInt64(files.Length);
long offset = info_off + (files.Length * (0x40 + 64));
for (long i = 0; i < files.Length; i++)
{
bw.WriteFixedLengthString(files[i].Name, 0x40);
bw.WriteInt64(files[i].ModificationTimestamp.ToBinary());
bw.WriteInt64(offset);
int crc = 0;
bw.WriteInt32(crc);
byte[] decompressedData = files[i].GetData();
byte[] compressedData = decompressedData;
bw.WriteInt32(decompressedData.Length);
bw.WriteInt32(compressedData.Length);
bw.WriteInt32(0);
bw.WriteBytes(compressedData);
offset += compressedData.Length;
}
}
}
}