GARbro-mirror/ArcFormats/KScript/ArcKPC.cs

75 lines
3.1 KiB
C#

//! \file ArcKPC.cs
//! \date Wed Aug 31 11:06:51 2016
//! \brief KScript engine resource archive.
//
// Copyright (C) 2016 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;
using GameRes.Utility;
namespace GameRes.Formats.KScript
{
[Export(typeof(ArchiveFormat))]
public class KpcOpener : ArchiveFormat
{
public override string Tag { get { return "KPC"; } }
public override string Description { get { return "KScript engine resource archive"; } }
public override uint Signature { get { return 0x50524353; } } // 'SCRPACK1'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
if (!file.View.AsciiEqual (4, "ACK1"))
return null;
int count = file.View.ReadInt32 (8);
if (!IsSaneCount (count))
return null;
uint index_size = file.View.ReadUInt32 (0xC);
var index = file.View.ReadBytes (0x20, index_size);
if (index.Length != index_size)
return null;
for (int i = 0; i < index.Length; ++i)
index[i] ^= 0x45;
int index_pos = 0;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = Binary.GetCString (index, index_pos, 0x18);
if (string.IsNullOrWhiteSpace (name))
return null;
index_pos += 0x18;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = LittleEndian.ToUInt32 (index, index_pos);
entry.Size = LittleEndian.ToUInt32 (index, index_pos+4);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_pos += 8;
}
return new ArcFile (file, this, dir);
}
}
}