lifegpc/GARbro-crskycode
1
0
Fork 0
mirror of https://github.com/crskycode/GARbro.git synced 2026-07-08 01:30:18 +08:00
Code Issues Packages Projects Releases Wiki Activity

implemented differential CRX images (#35)

Browse Source
This commit is contained in:
morkt
2016-10-13 14:49:29 +04:00
parent ff871fd146
commit 44deae320c
5 changed files with 221 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
ArcFormats/Circus/ArcCRM.cs
View File

@@ -25,10 +25,29 @@
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Linq;
using System.IO;
namespace GameRes.Formats.Circus
{
internal class CrmArchive : ArcFile
{
readonly IDictionary<uint, Entry> OffsetMap;
public CrmArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, IDictionary<uint, Entry> offset_map)
: base (arc, impl, dir)
{
OffsetMap = offset_map;
}
internal Stream OpenByOffset (uint offset)
{
Entry entry;
if (!OffsetMap.TryGetValue (offset, out entry))
throw new FileNotFoundException();
return OpenEntry (entry);
}
}
[Export(typeof(ArchiveFormat))]
public class CrmOpener : ArchiveFormat
{
@@ -44,6 +63,7 @@ namespace GameRes.Formats.Circus
if (!IsSaneCount (count))
return null;
var offset_map = new SortedDictionary<uint, Entry>();
int index_offset = 0x10;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
@@ -53,25 +73,26 @@ namespace GameRes.Formats.Circus
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = offset;
dir.Add (entry);
offset_map[offset] = entry;
index_offset += 0x20;
}
using (var iterator = dir.OrderBy (e => e.Offset).GetEnumerator())
using (var iterator = offset_map.GetEnumerator())
{
if (iterator.MoveNext())
{
for (;;)
{
var entry = iterator.Current;
var entry = iterator.Current.Value;
if (!iterator.MoveNext())
{
entry.Size = (uint)(file.MaxOffset - entry.Offset);
break;
}
entry.Size = (uint)(iterator.Current.Offset - entry.Offset);
entry.Size = (uint)(iterator.Current.Key - entry.Offset);
}
}
}
return new ArcFile (file, this, dir);
return new CrmArchive (file, this, dir, offset_map);
}
}
}