GARbro-mirror/ArcFormats/Cherry/ArcMyk.cs
2015-10-19 09:05:26 +04:00

79 lines
3.2 KiB
C#

//! \file ArcMyk.cs
//! \date Sat Oct 17 03:45:02 2015
//! \brief Cherry Soft MYK archives.
//
// Copyright (C) 2015 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System.Collections.Generic;
using System.ComponentModel.Composition;
namespace GameRes.Formats.Cherry
{
[Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat
{
public override string Tag { get { return "DAT/CHERRY"; } }
public override string Description { get { return "Cherry Soft resource archive"; } }
public override uint Signature { get { return 0x304B594D; } } // 'MYK0'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public DatOpener ()
{
Extensions = new string[] { "dat" };
Signatures = new uint[] { 0x304B594D, 0x30454843 }; // 'MYK0', 'CHE0'
}
public override ArcFile TryOpen (ArcView file)
{
if (0x1A30 != file.View.ReadUInt16 (4))
return null;
int count = file.View.ReadUInt16 (8);
if (!IsSaneCount (count))
return null;
uint index_offset = file.View.ReadUInt32 (0xA);
if (index_offset >= file.MaxOffset)
return null;
uint index_size = (uint)count * 0x10u;
if (index_size > file.View.Reserve (index_offset, index_size))
return null;
uint base_offset = 0x10;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
string name = file.View.ReadString (index_offset, 0xC);
if (0 == name.Length)
return null;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = base_offset;
entry.Size = file.View.ReadUInt32 (index_offset+0xC);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
base_offset += entry.Size;
index_offset += 0x10;
}
return new ArcFile (file, this, dir);
}
}
}