GARbro-mirror/ArcFormats/Favorite/ArcHZC.cs

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//! \file ArcHZC.cs
//! \date Wed Dec 09 17:04:23 2015
//! \brief Favorite View Point multi-frame image format.
//
// 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 GameRes.Utility;
using GameRes.Compression;
namespace GameRes.Formats.FVP
{
internal class HzcArchive : ArcFile
{
public readonly HzcMetaData ImageInfo;
public HzcArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, HzcMetaData info)
: base (arc, impl, dir)
{
ImageInfo = info;
}
}
[Export(typeof(ArchiveFormat))]
public class HzcOpener : ArchiveFormat
{
public override string Tag { get { return "HZC/MULTI"; } }
public override string Description { get { return "Favorite View Point multi-frame image"; } }
public override uint Signature { get { return 0x31637A68; } } // 'HZC1'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
static readonly Lazy<ImageFormat> Hzc = new Lazy<ImageFormat> (() => ImageFormat.FindByTag ("HZC"));
public override ArcFile TryOpen (ArcView file)
{
uint header_size = file.View.ReadUInt32 (8);
HzcMetaData image_info;
using (var header = file.CreateStream (0, 0xC+header_size))
{
image_info = Hzc.Value.ReadMetaData (header) as HzcMetaData;
if (null == image_info)
return null;
}
int count = file.View.ReadInt32 (0x20);
if (0 == count)
count = 1;
string base_name = Path.GetFileNameWithoutExtension (file.Name);
int frame_size = image_info.UnpackedSize / count;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new Entry {
Name = string.Format ("{0}#{1:D3}.tga", base_name, i),
Type = "image",
Offset = frame_size * i,
Size = 0x12 + (uint)frame_size,
};
dir.Add (entry);
}
return new HzcArchive (file, this, dir, image_info);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var hzc = (HzcArchive)arc;
using (var input = arc.File.CreateStream (0xC+hzc.ImageInfo.HeaderSize))
using (var z = new ZLibStream (input, CompressionMode.Decompress))
{
uint frame_size = entry.Size - 0x12;
var pixels = new byte[frame_size];
uint offset = 0;
for (;;)
{
if (pixels.Length != z.Read (pixels, 0, pixels.Length))
break;
if (offset >= entry.Offset)
break;
offset += frame_size;
}
if (4 == hzc.ImageInfo.Type)
{
for (int i = 0; i < pixels.Length; ++i)
if (1 == pixels[i])
pixels[i] = 0xFF;
}
return TgaStream.Create (hzc.ImageInfo, pixels);
}
}
}
}