GARbro-mirror/ArcFormats/Software House Parsley/ArcCG2.cs

115 lines
4.4 KiB
C#
Raw Normal View History

//! \file ArcCG2.cs
//! \date 2019 Mar 15
//! \brief Software House Parsley CG archive.
//
// Copyright (C) 2019 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 System.Windows.Media;
using GameRes.Compression;
// [051111][Software House Parsley] Sonic Princess Platinum Edition
namespace GameRes.Formats.Parsley
{
internal class CgEntry : Entry
{
public ImageMetaData Info;
}
[Export(typeof(ArchiveFormat))]
public class CgV2Opener : ArchiveFormat
{
public override string Tag { get { return "CG/PARSLEY/2"; } }
public override string Description { get { return "Software House Parsley CG archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public CgV2Opener ()
{
Extensions = new string[] { "" };
}
const uint DefaultDataOffset = 0x6000;
public override ArcFile TryOpen (ArcView file)
{
if (!VFS.IsPathEqualsToFileName (file.Name, "CG") || file.MaxOffset <= DefaultDataOffset)
return null;
uint index_pos = 0;
var dir = new List<Entry>();
while (index_pos < DefaultDataOffset)
{
if (file.View.ReadByte (index_pos) == 0)
break;
var name = file.View.ReadString (index_pos, 0x20);
if (string.IsNullOrWhiteSpace (name))
return null;
var entry = Create<CgEntry> (name);
entry.Offset = file.View.ReadUInt32 (index_pos+0x20) + DefaultDataOffset;
entry.Size = file.View.ReadUInt32 (index_pos+0x2C);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.Info = new ImageMetaData {
Width = file.View.ReadUInt32 (index_pos+0x24),
Height = file.View.ReadUInt32 (index_pos+0x28),
BPP = 8,
};
dir.Add (entry);
index_pos += 0x30;
}
if (0 == dir.Count)
return null;
return new ArcFile (file, this, dir);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var cgent = (CgEntry)entry;
var input = arc.File.CreateStream (cgent.Offset, cgent.Size);
return new Cg2Decoder (input, cgent.Info);
}
class Cg2Decoder : BinaryImageDecoder
{
public Cg2Decoder (IBinaryStream input, ImageMetaData info) : base (input, info)
{
}
protected override ImageData GetImageData ()
{
using (var input = new LzssStream (m_input.AsStream, LzssMode.Decompress, true))
{
int stride = (Info.iWidth + 3) & ~3;
var palette = ImageFormat.ReadPalette (input, 0x100);
var pixels = new byte[stride * Info.iHeight];
input.Read (pixels, 0, pixels.Length);
return ImageData.CreateFlipped (Info, PixelFormats.Indexed8, palette, pixels, stride);
}
}
}
}
}