GARbro-mirror/ArcFormats/RealLive/ArcG00.cs

178 lines
6.6 KiB
C#
Raw Normal View History

2016-05-20 08:02:55 +08:00
//! \file ArcG00.cs
//! \date Wed May 04 13:21:19 2016
//! \brief RealLive engine multi-frame image.
//
// Copyright (C) 2016-2017 by morkt
2016-05-20 08:02:55 +08:00
//
// 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.Linq;
using System.Windows.Media;
2016-05-20 08:02:55 +08:00
namespace GameRes.Formats.RealLive
{
internal class G00Entry : PackedEntry
{
public override string Type { get { return "image"; } }
public int X;
public int Y;
}
internal class G00Archive : ArcFile
{
public ImageMetaData ImageInfo;
public byte[] Bitmap;
public G00Archive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, ImageMetaData info, byte[] bitmap)
: base (arc, impl, dir)
{
ImageInfo = info;
Bitmap = bitmap;
}
}
[Export(typeof(ArchiveFormat))]
public class G00Opener : ArchiveFormat
{
public override string Tag { get { return "G00/v2"; } }
public override string Description { get { return "RealLive engine multi-frame image"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
2016-05-20 08:02:55 +08:00
public G00Opener ()
{
Extensions = new string[] { "g00" };
}
public override ArcFile TryOpen (ArcView file)
{
if (!file.Name.HasExtension (".g00"))
2016-05-20 08:02:55 +08:00
return null;
if (file.View.ReadByte (0) != 2)
return null;
uint width = file.View.ReadUInt16 (1);
uint height = file.View.ReadUInt16 (3);
if (0 == width || width > 0x8000 || 0 == height || height > 0x8000)
return null;
int count = file.View.ReadInt16 (5);
2017-12-26 23:55:41 +08:00
if (count <= 1 || count > 0x1000)
2016-05-20 08:02:55 +08:00
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
uint index_offset = 9;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new G00Entry {
Name = string.Format ("{0}#{1:D3}", base_name, i),
2016-05-20 08:02:55 +08:00
X = file.View.ReadInt32 (index_offset),
Y = file.View.ReadInt32 (index_offset+4),
};
dir.Add (entry);
index_offset += 0x18;
}
byte[] bitmap;
using (var input = file.CreateStream (index_offset))
2016-10-16 13:22:53 +08:00
bitmap = G00Reader.LzDecompress (input, 2, 1);
2016-05-20 08:02:55 +08:00
using (var input = new BinMemoryStream (bitmap))
2016-05-20 08:02:55 +08:00
{
if (input.ReadInt32() != count)
2016-05-20 08:02:55 +08:00
return null;
for (int i = 0; i < count; ++i)
{
dir[i].Offset = input.ReadUInt32();
dir[i].Size = input.ReadUInt32();
2016-05-20 08:02:55 +08:00
}
}
dir = dir.Where (e => e.Size != 0).ToList();
if (0 == dir.Count)
return null;
var info = new ImageMetaData { Width = width, Height = height, BPP = 32 };
return new G00Archive (file, this, dir, info, bitmap);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
2016-05-20 08:02:55 +08:00
{
var g00arc = (G00Archive)arc;
var g00ent = (G00Entry)entry;
var input = new BinMemoryStream (g00arc.Bitmap);
return new G00TileDecoder (input, g00arc.ImageInfo, g00ent);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var g00arc = (G00Archive)arc;
return new BinMemoryStream (g00arc.Bitmap, (int)entry.Offset, (int)entry.Size);
}
}
internal sealed class G00TileDecoder : BinaryImageDecoder
{
private G00Entry g00ent;
public G00TileDecoder (IBinaryStream input, ImageMetaData info, G00Entry entry)
: base (input, info)
{
g00ent = entry;
}
protected override ImageData GetImageData ()
{
m_input.Position = g00ent.Offset;
int tile_type = m_input.ReadUInt16();
int count = m_input.ReadUInt16();
if (tile_type != 1)
throw new InvalidFormatException();
m_input.Seek (0x70, SeekOrigin.Current);
int dst_stride = (int)Info.Width * 4;
var pixels = new byte[(int)Info.Height * dst_stride];
for (int i = 0; i < count; ++i)
2016-05-20 08:02:55 +08:00
{
int tile_x = m_input.ReadUInt16();
int tile_y = m_input.ReadUInt16();
m_input.ReadInt16();
int tile_width = m_input.ReadUInt16();
int tile_height = m_input.ReadUInt16();
m_input.Seek (0x52, SeekOrigin.Current);
tile_x += g00ent.X;
tile_y += g00ent.Y;
if (tile_x + tile_width > Info.Width ||
tile_y + tile_height > Info.Height)
2016-05-20 08:02:55 +08:00
throw new InvalidFormatException();
int dst = tile_y * dst_stride + tile_x * 4;
int tile_stride = tile_width * 4;
for (int row = 0; row < tile_height; ++row)
2016-05-20 08:02:55 +08:00
{
m_input.Read (pixels, dst, tile_stride);
dst += dst_stride;
2016-05-20 08:02:55 +08:00
}
}
return ImageData.Create (Info, PixelFormats.Bgra32, null, pixels, dst_stride);
2016-05-20 08:02:55 +08:00
}
}
}