GARbro-mirror/ArcFormats/CatSystem/ArcHG2.cs
morkt f1d66206bc (IResource.CanWrite): new property.
(ArchiveFormat.CanCreate): renamed to CanWrite.
2016-10-11 00:05:22 +04:00

101 lines
4.2 KiB
C#

//! \file ArcHG2.cs
//! \date Sun Nov 29 13:09:09 2015
//! \brief CatSystem2 HG-2 multi-frame image.
//
// 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;
using System.IO;
using GameRes.Utility;
namespace GameRes.Formats.CatSystem
{
[Export(typeof(ArchiveFormat))]
public class Hg2Opener : ArchiveFormat
{
public override string Tag { get { return "HG2"; } }
public override string Description { get { return "CatSystem2 engine multi-image"; } }
public override uint Signature { get { return 0x322d4748; } } // 'HG-2'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
if (0x25 != file.View.ReadInt32 (8))
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry>();
long offset = 0xC;
int i = 0;
while (offset < file.MaxOffset)
{
uint section_size = file.View.ReadUInt32 (offset+0x40);
var entry = new Entry
{
Name = string.Format ("{0}#{1:D4}.tga", base_name, i),
Type = "image",
Offset = offset,
};
if (0 == section_size)
entry.Size = (uint)(file.MaxOffset - offset);
else
entry.Size = section_size;
dir.Add (entry);
if (0 == section_size)
break;
offset += section_size;
++i;
}
if (dir.Count < 1)
return null;
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
// emulate TGA image
var offset = entry.Offset;
var info = new Hg2MetaData
{
HeaderSize = 0x4C,
Width = arc.File.View.ReadUInt32 (offset),
Height = arc.File.View.ReadUInt32 (offset+4),
BPP = arc.File.View.ReadInt32 (offset+8),
DataPacked = arc.File.View.ReadInt32 (offset+0x14),
DataUnpacked= arc.File.View.ReadInt32 (offset+0x18),
CtlPacked = arc.File.View.ReadInt32 (offset+0x1C),
CtlUnpacked = arc.File.View.ReadInt32 (offset+0x20),
CanvasWidth = arc.File.View.ReadUInt32 (offset+0x2C),
CanvasHeight= arc.File.View.ReadUInt32 (offset+0x30),
OffsetX = arc.File.View.ReadInt32 (offset+0x34),
OffsetY = arc.File.View.ReadInt32 (offset+0x38),
};
using (var input = arc.File.CreateStream (entry.Offset, entry.Size))
using (var reader = new Hg2Reader (input, info))
{
return TgaStream.Create (info, reader.Unpack(), true);
}
}
}
}