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implemented Majiro version 1 archive creation.

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This commit is contained in:
morkt 2014-08-16 00:52:16 +04:00
parent 8fc34f9161
commit 089becd4d3
1 changed files with 102 additions and 6 deletions
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108
ArcFormats/ArcMajiro.cs
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@ -29,14 +29,11 @@ using System.Linq;
using System.Text;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using GameRes.Formats.Strings;
using GameRes.Utility;
namespace GameRes.Formats.Majiro
{
internal class MajiroEntry : Entry
{
public bool IsEncrypted { get; set; }
}
internal class MajiroArchive : ArcFile
{
public uint Key { get; private set; }
@ -50,7 +47,8 @@ namespace GameRes.Formats.Majiro
public class MajiroOptions : ResourceOptions
{
public uint Key { get; set; }
public uint Key { get; set; }
public int Version { get; set; }
}
[Export(typeof(ArchiveFormat))]
@ -60,6 +58,7 @@ namespace GameRes.Formats.Majiro
public override string Description { get { return "Majiro game engine resource archive"; } }
public override uint Signature { get { return 0x696a614d; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return true; } }
public ArcOpener ()
{
@ -117,5 +116,102 @@ namespace GameRes.Formats.Majiro
return null;
return new ArcFile (file, this, dir);
}
internal class MajiroEntry : Entry
{
public byte[] IndexName;
public uint NameHash;
}
public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
EntryCallback callback)
{
int version = 1;
int file_count = list.Count();
int callback_count = 0;
var encoding = Encodings.cp932.WithFatalFallback();
if (null != callback)
callback (file_count+2, null, null);
using (var writer = new BinaryWriter (output, encoding, true))
{
if (null != callback)
callback (callback_count++, null, arcStrings.MsgWritingIndex);
string signature = string.Format ("MajiroArcV{0}.000\0", version);
writer.Write (encoding.GetBytes (signature));
writer.Write (file_count);
int index_offset = 0x1c + (file_count+1) * 8;
writer.Write (index_offset);
// calculate name hashes
var real_entry_list = new List<MajiroEntry> (file_count);
foreach (var entry in list)
{
try
{
string name = Path.GetFileName (entry.Name);
byte[] name_buf = encoding.GetBytes (name);
uint crc32 = Crc32.Compute (name_buf, 0, name_buf.Length);
var maj_entry = new MajiroEntry
{
Name = entry.Name,
IndexName = name_buf,
NameHash = crc32,
};
real_entry_list.Add (maj_entry);
}
catch (EncoderFallbackException X)
{
throw new InvalidFileName (entry.Name, arcStrings.MsgIllegalCharacters, X);
}
}
real_entry_list.Sort ((a, b) => a.NameHash.CompareTo (b.NameHash));
// write names
writer.BaseStream.Seek (index_offset, SeekOrigin.Begin);
foreach (var entry in real_entry_list)
{
writer.Write (entry.IndexName);
writer.Write ((byte)0);
}
// write files
uint start_offset = (uint)output.Position;
uint current_offset = start_offset;
foreach (var entry in real_entry_list)
{
if (null != callback)
callback (callback_count++, entry, arcStrings.MsgAddingFile);
entry.Offset = current_offset;
using (var input = File.OpenRead (entry.Name))
{
var size = input.Length;
if (size > uint.MaxValue || current_offset + size > uint.MaxValue)
throw new FileSizeException();
current_offset += (uint)size;
entry.Size = (uint)size;
input.CopyTo (output);
}
}
uint end_offset = (uint)output.Position;
if (null != callback)
callback (callback_count++, null, arcStrings.MsgUpdatingIndex);
// at last, go back to index and write hashes/offsets
writer.BaseStream.Position = 0x18;
writer.Write (start_offset);
foreach (var entry in real_entry_list)
{
writer.Write (entry.NameHash);
writer.Write ((uint)entry.Offset);
}
writer.Write ((int)0);
writer.Write (end_offset);
}
}
}
}