GARbro-mirror/ArcFormats/CatSystem/ArcHG3.cs

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//! \file ArcHG3.cs
//! \date Mon Oct 12 22:34:11 2015
//! \brief CatSystem2 image resource.
//
// 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;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using System.Windows;
using GameRes.Utility;
using GameRes.Compression;
namespace GameRes.Formats.CatSystem
{
[Export(typeof(ArchiveFormat))]
public class Hg3Opener : ArchiveFormat
{
public override string Tag { get { return "HG3"; } }
public override string Description { get { return "CatSystem2 engine multi-image"; } }
public override uint Signature { get { return 0x332d4748; } } // 'HG-3'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry>();
long offset = 0xC;
int i = 0;
while (offset+0x14 < file.MaxOffset && file.View.AsciiEqual (offset+8, "stdinfo"))
{
uint section_size = file.View.ReadUInt32 (offset);
if (0 == section_size)
section_size = (uint)(file.MaxOffset - offset);
uint stdinfo_size = file.View.ReadUInt32 (offset+0x10);
if (file.View.AsciiEqual (offset+8+stdinfo_size, "img0000"))
{
var entry = new Entry
{
Name = string.Format ("{0}#{1:D4}.tga", base_name, i),
Type = "image",
Offset = offset + 8,
Size = section_size - 8,
};
dir.Add (entry);
}
offset += section_size;
++i;
}
if (dir.Count < 2)
return null;
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
// emulate TGA image
var offset = entry.Offset+8;
var info = new Hg3MetaData
{
HeaderSize = arc.File.View.ReadUInt32 (offset),
Width = arc.File.View.ReadUInt32 (offset+8),
Height = arc.File.View.ReadUInt32 (offset+0xC),
BPP = arc.File.View.ReadInt32 (offset+0x10),
OffsetX = arc.File.View.ReadInt32 (offset+0x14),
OffsetY = arc.File.View.ReadInt32 (offset+0x18),
CanvasWidth = arc.File.View.ReadUInt32 (offset+0x1C),
CanvasHeight = arc.File.View.ReadUInt32 (offset+0x20),
};
using (var input = arc.File.CreateStream (entry.Offset, entry.Size))
using (var reader = new Hg3Reader (input, info))
{
var pixels = reader.Unpack();
var header = new byte[0x12];
header[2] = 2;
LittleEndian.Pack ((short)info.OffsetX, header, 8);
LittleEndian.Pack ((short)info.OffsetY, header, 0xa);
LittleEndian.Pack ((ushort)info.Width, header, 0xc);
LittleEndian.Pack ((ushort)info.Height, header, 0xe);
header[0x10] = (byte)info.BPP;
if (!reader.Flipped)
header[0x11] = 0x20;
return new PrefixStream (header, new MemoryStream (pixels));
}
}
}
}