GARbro-mirror/Legacy/ShapeShifter/ArcBND.cs

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//! \file ArcBND.cs
//! \date 2017 Nov 29
//! \brief BND resource archive.
//
// Copyright (C) 2017 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;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using GameRes.Utility;
namespace GameRes.Formats.ShapeShifter
{
[Export(typeof(ArchiveFormat))]
public class BndOpener : ArchiveFormat
{
public override string Tag { get { return "BND"; } }
public override string Description { get { return "Shape Shifter resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
int count = file.View.ReadInt32 (0);
if (!IsSaneCount (count))
return null;
uint first_offset = file.View.ReadUInt32 (4);
if (first_offset != 4 +(uint)count * 12)
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
string default_type = base_name == "SCR" ? "script" : "";
uint index_offset = 4;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint offset = file.View.ReadUInt32 (index_offset);
var entry = new PackedEntry {
Name = string.Format ("{0}#{1:D4}", base_name, i),
Type = default_type,
Offset = file.View.ReadUInt32 (index_offset),
UnpackedSize = file.View.ReadUInt32 (index_offset+4),
Size = file.View.ReadUInt32 (index_offset+8),
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.IsPacked = entry.UnpackedSize != entry.Size;
dir.Add (entry);
index_offset += 12;
}
if (string.IsNullOrEmpty (default_type))
DetectFileTypes (file, dir);
return new ArcFile (file, this, dir);
}
void DetectFileTypes (ArcView file, List<Entry> dir)
{
foreach (var entry in dir)
{
var offset = entry.Offset;
var signature = file.View.ReadUInt32 (offset);
if (0x4D42 == (signature & 0xFFFF)) // 'BM'
{
entry.Type = "image";
entry.Name = Path.ChangeExtension (entry.Name, "bmp");
}
}
}
}
}