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HFile.cs
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HFile.cs
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using JpmodLib.IO;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;
using System.Text;
namespace DoubleFine
{
public class HFile
{
public const byte Uncompressed = 4;
public const byte Compressed = 8;
private bool debug;
public HFile.HFileHeader Header;
public FileTypeIndex[] FileTypes;
public FileIndex[] Files;
public byte[] FooterData;
private bool EndOfFileNameList;
public void Load(string path)
{
Hashtable section1 = ConfigurationManager.GetSection("FileTypeExtension") as Hashtable;
Hashtable section2 = ConfigurationManager.GetSection("HasSizeHeader") as Hashtable;
using (EnhancedBinaryReader enhancedBinaryReader = new EnhancedBinaryReader((Stream) new FileStream(path, FileMode.Open), Encoding.ASCII, Endian.BigEndian))
{
this.Header = new HFile.HFileHeader((BinaryReader) enhancedBinaryReader);
enhancedBinaryReader.BaseStream.Seek((long) this.Header.FileTypeOffset, SeekOrigin.Begin);
List<FileTypeIndex> source1 = new List<FileTypeIndex>();
for (int index = 0; index < this.Header.FileTypeCount; ++index)
source1.Add(new FileTypeIndex((BinaryReader) enhancedBinaryReader));
this.FileTypes = source1.ToArray<FileTypeIndex>();
for (int index = 0; index < this.FileTypes.Length; ++index)
{
if (section1.ContainsKey((object) this.FileTypes[index].Name))
this.FileTypes[index].Extension = (string) section1[(object) this.FileTypes[index].Name];
if (section2.ContainsKey((object) this.FileTypes[index].Name))
this.FileTypes[index].HasSizeHeader = true;
}
if (this.debug)
File.Delete("debug.log");
enhancedBinaryReader.BaseStream.Seek((long) this.Header.FileIndexOffset, SeekOrigin.Begin);
List<FileIndex> source2 = new List<FileIndex>();
for (int index = 0; index < this.Header.FileCount; ++index)
{
if ((int) this.Header.Version[0] == 5)
source2.Add((FileIndex) new StackingFileIndex((BinaryReader) enhancedBinaryReader));
else if ((int) this.Header.Version[0] == 2)
source2.Add((FileIndex) new CostumeQuestFileIndex((BinaryReader) enhancedBinaryReader));
}
this.Files = source2.ToArray<FileIndex>();
for (int index = 0; index < this.Header.FileCount; ++index)
{
enhancedBinaryReader.BaseStream.Seek((long) this.Header.FileNameOffset + (long) this.Files[index].FileNameOffset, SeekOrigin.Begin);
this.Files[index].FilePathString = this.getString((BinaryReader) enhancedBinaryReader);
int fileTypeIndex = (int) this.Files[index].FileTypeIndex;
if ((int) this.Header.Version[0] == 5)
fileTypeIndex >>= 1;
if (fileTypeIndex >= 0 && fileTypeIndex < this.FileTypes.Length)
this.Files[index].FileType = this.FileTypes[fileTypeIndex];
}
if (enhancedBinaryReader.BaseStream.Length - enhancedBinaryReader.BaseStream.Position > 0L)
this.FooterData = enhancedBinaryReader.ReadBytes((int) (enhancedBinaryReader.BaseStream.Length - enhancedBinaryReader.BaseStream.Position));
else
this.FooterData = new byte[0];
}
}
public void Save(string path)
{
using (EnhancedBinaryWriter enhancedBinaryWriter = new EnhancedBinaryWriter((Stream) new FileStream(path + ".~h", FileMode.Create), Encoding.ASCII, Endian.BigEndian))
{
this.Header.Write((BinaryWriter) enhancedBinaryWriter);
enhancedBinaryWriter.Write(new byte[(long) this.Header.FileTypeOffset - enhancedBinaryWriter.BaseStream.Position]);
foreach (FileTypeIndex fileType in this.FileTypes)
fileType.Write((BinaryWriter) enhancedBinaryWriter);
while (enhancedBinaryWriter.BaseStream.Position < (long) this.Header.FileIndexOffset)
enhancedBinaryWriter.Write((byte) 204);
foreach (FileIndex file in this.Files)
file.Write((BinaryWriter) enhancedBinaryWriter);
List<string> stringList = new List<string>();
foreach (FileIndex file in this.Files)
{
if (!stringList.Contains(file.FilePathString))
{
enhancedBinaryWriter.Write(Encoding.ASCII.GetBytes(file.FilePathString + (object) char.MinValue));
stringList.Add(file.FilePathString);
}
}
enhancedBinaryWriter.Write(this.FooterData);
}
}
private string getString(BinaryReader r)
{
string str = "";
if (this.EndOfFileNameList || r.BaseStream.Position >= (long) this.Header.FooterOffset1)
return (string) null;
byte num;
while ((int) (num = r.ReadByte()) != 0)
{
if ((int) num == 204)
{
this.EndOfFileNameList = true;
return (string) null;
}
str += Convert.ToChar(num).ToString();
}
return str;
}
protected static int read3BytesAsInt(BinaryReader r)
{
byte[] numArray = new byte[4]
{
(byte) 0,
r.ReadByte(),
r.ReadByte(),
r.ReadByte()
};
Array.Reverse((Array) numArray);
return BitConverter.ToInt32(numArray, 0);
}
protected static byte[] convIntAs3Bytes(long l)
{
return HFile.convIntAs3Bytes((int) l);
}
protected static byte[] convIntAs3Bytes(int i)
{
List<byte> source = new List<byte>((IEnumerable<byte>) BitConverter.GetBytes(i));
source.Reverse();
source.RemoveAt(0);
return source.ToArray<byte>();
}
public struct HFileHeader
{
public byte[] Magic;
public byte[] Version;
public ulong FileTypeOffset;
public ulong FileNameOffset;
public int FileTypeCount;
public int FileNameLength;
public int FileCount;
public byte[] Delim1;
public ulong UnknownOffset;
public ulong DataFooterOffset;
public ulong FileIndexOffset;
public ulong FooterOffset1;
public ulong FooterOffset2;
public int UnknownCount;
public byte[] Delim2;
public HFileHeader(BinaryReader r)
{
this.Magic = r.ReadBytes(4);
this.Version = r.ReadBytes(4);
this.FileTypeOffset = r.ReadUInt64();
this.FileNameOffset = r.ReadUInt64();
this.FileTypeCount = r.ReadInt32();
this.FileNameLength = r.ReadInt32();
this.FileCount = r.ReadInt32();
this.Delim1 = r.ReadBytes(4);
this.UnknownOffset = r.ReadUInt64();
this.DataFooterOffset = r.ReadUInt64();
this.FileIndexOffset = r.ReadUInt64();
this.FooterOffset1 = r.ReadUInt64();
this.FooterOffset2 = r.ReadUInt64();
this.UnknownCount = r.ReadInt32();
this.Delim2 = r.ReadBytes(4);
}
public void Write(BinaryWriter w)
{
w.Write(this.Magic);
w.Write(this.Version);
w.Write(this.FileTypeOffset);
w.Write(this.FileNameOffset);
w.Write(this.FileTypeCount);
w.Write(this.FileNameLength);
w.Write(this.FileCount);
w.Write(this.Delim1);
w.Write(this.UnknownOffset);
w.Write(this.DataFooterOffset);
w.Write(this.FileIndexOffset);
w.Write(this.FooterOffset1);
w.Write(this.FooterOffset2);
w.Write(this.UnknownCount);
w.Write(this.Delim2);
}
}
}
}