GARbro-mirror/ArcFormats/AnimeGameSystem/ImageAinos.cs

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//! \file ImageAinos.cs
//! \date Sun Apr 05 04:16:27 2015
//! \brief Ainos 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 System.Linq;
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using System.Text;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using GameRes.Utility;
namespace GameRes.Formats.Ags
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{
public class CgMetaData : ImageMetaData
{
public int Type;
public int Right, Bottom;
}
internal class AniEntry : Entry
{
public int FrameIndex;
public int FrameType;
public int KeyFrame;
}
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[Export(typeof(ArchiveFormat))]
public class AniOpener : ArchiveFormat
{
public override string Tag { get { return "ANI"; } }
public override string Description { get { return "Anime Game System animation resource"; } }
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public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
uint first_offset = file.View.ReadUInt32 (0);
if (first_offset < 4 || file.MaxOffset > int.MaxValue || first_offset >= file.MaxOffset || 0 != (first_offset & 3))
return null;
int frame_count = (int)(first_offset / 4);
if (frame_count > 10000)
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return null;
long index_offset = 4;
var frame_table = new uint[frame_count];
frame_table[0] = first_offset;
for (int i = 1; i < frame_count; ++i)
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{
var offset = file.View.ReadUInt32 (index_offset);
index_offset += 4;
if (offset < first_offset || offset >= file.MaxOffset)
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return null;
frame_table[i] = offset;
}
var frame_map = new Dictionary<uint, byte>();
foreach (var offset in frame_table)
{
if (!frame_map.ContainsKey (offset))
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{
byte frame_type = file.View.ReadByte (offset);
if (frame_type >= 0x20)
return null;
frame_map[offset] = frame_type;
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}
}
int last_key_frame = 0;
var dir = new List<Entry>();
for (int i = 0; i < frame_count; ++i)
{
var offset = frame_table[i];
int frame_type = frame_map[offset];
if (1 == frame_type)
continue;
frame_type &= 0xF;
if (0 == frame_type || 0xA == frame_type)
last_key_frame = dir.Count;
var entry = new AniEntry
{
Name = string.Format ("{0:D4}.tga", i),
Type = "image",
Offset = offset,
FrameType = frame_type,
KeyFrame = last_key_frame,
FrameIndex = dir.Count,
};
dir.Add (entry);
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}
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if (0 == dir.Count)
return null;
var ordered = dir.OrderBy (e => e.Offset).ToList();
for (int i = 0; i < ordered.Count; ++i)
{
var entry = ordered[i] as AniEntry;
long next_offset = file.MaxOffset;
for (int j = i+1; j <= ordered.Count; ++j)
{
next_offset = j == ordered.Count ? file.MaxOffset : ordered[j].Offset;
if (next_offset != entry.Offset)
break;
}
entry.Size = (uint)(next_offset - entry.Offset);
}
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return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var ani = (AniEntry)entry;
byte[] key_frame = null;
if (ani.KeyFrame != ani.FrameIndex)
{
var dir = (List<Entry>)arc.Dir;
for (int i = ani.KeyFrame; i < ani.FrameIndex; ++i)
{
var frame = dir[i];
using (var s = arc.File.CreateStream (frame.Offset, frame.Size))
{
var frame_info = Cg.ReadMetaData (s) as CgMetaData;
if (null == frame_info)
break;
using (var reader = new CgFormat.Reader (s, frame_info, key_frame))
{
reader.Unpack();
key_frame = reader.Data;
}
}
}
}
var input = arc.File.CreateStream (entry.Offset, entry.Size);
CgMetaData info = null;
try
{
info = Cg.ReadMetaData (input) as CgMetaData;
}
catch
{
input.Dispose();
throw;
}
if (null == info)
{
input.Position = 0;
return input;
}
using (input)
using (var reader = new CgFormat.Reader (input, info, key_frame))
{
reader.Unpack();
var header = new byte[0x12];
header[2] = 2;
LittleEndian.Pack ((ushort)info.Width, header, 0xc);
LittleEndian.Pack ((ushort)info.Height, header, 0xe);
header[0x10] = 24;
header[0x11] = 0x20;
return new PrefixStream (header, new MemoryStream (reader.Data));
}
}
static Lazy<ImageFormat> s_Cg = new Lazy<ImageFormat> (() => ImageFormat.FindByTag ("CG"));
ImageFormat Cg { get { return s_Cg.Value; } }
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}
[Export(typeof(ImageFormat))]
public class CgFormat : ImageFormat
{
public override string Tag { get { return "CG"; } }
public override string Description { get { return "Anime Game System image format"; } }
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public override uint Signature { get { return 0; } }
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("CgFormat.Write not implemented");
}
public override ImageMetaData ReadMetaData (Stream stream)
{
int sig = stream.ReadByte();
if (sig >= 0x20)
return null;
using (var input = new ArcView.Reader (stream))
{
int width = input.ReadInt16();
int height = input.ReadInt16();
if (width <= 0 || height <= 0 || width > 4096 || height > 4096)
return null;
var meta = new CgMetaData
{
Width = (uint)width,
Height = (uint)height,
BPP = 24,
Type = sig,
};
if (0 != (sig & 0xf))
{
meta.OffsetX = input.ReadInt16();
meta.OffsetY = input.ReadInt16();
meta.Right = input.ReadInt16();
meta.Bottom = input.ReadInt16();
if (meta.OffsetX > meta.Right || meta.OffsetY > meta.Bottom ||
meta.Right > width || meta.Bottom > height ||
meta.OffsetX < 0 || meta.OffsetY < 0)
return null;
}
return meta;
}
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
var meta = (CgMetaData)info;
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using (var reader = new Reader (stream, meta))
{
reader.Unpack();
return ImageData.Create (info, PixelFormats.Bgr24, null, reader.Data, (int)info.Width*3);
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}
}
internal class Reader : IDisposable
{
BinaryReader m_input;
byte[] m_output;
int m_type;
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int m_width;
int m_height;
int m_left;
int m_top;
int m_right;
int m_bottom;
public byte[] Data { get { return m_output; } }
public Reader (Stream file, CgMetaData info, byte[] base_image = null)
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{
m_type = info.Type;
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m_width = (int)info.Width;
m_height = (int)info.Height;
m_left = info.OffsetX;
m_top = info.OffsetY;
m_right = info.Right == 0 ? m_width : info.Right;
m_bottom = info.Bottom == 0 ? m_height : info.Bottom;
m_output = base_image ?? new byte[3*m_width*m_height];
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m_input = new BinaryReader (file, Encoding.ASCII, true);
ShiftTable = InitShiftTable();
if (0 != (info.Type & 0xf))
file.Position = 13;
else
file.Position = 5;
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}
static readonly short[] ShiftX = new short[] { // 409b6c
0, -1, -3, -2, -1, 0, 1, 2
};
static readonly short[] ShiftY = new short[] { // 409b7c
0, 0, -1, -1, -1, -1, -1, -1
};
readonly int[] ShiftTable;
private int[] InitShiftTable ()
{
var table = new int[8];
for (int i = 0; i < 8; ++i)
{
table[i] = 3 * (ShiftX[i] + ShiftY[i] * m_width);
}
return table;
}
public void Unpack ()
{
if (0 != (m_type & 0x10))
UnpackRGB();
else
UnpackIndexed();
}
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public void UnpackRGB ()
{
int right = 3 * (m_width * m_top + m_right);
int left = 3 * (m_width * m_top + m_left);
for (int i = m_top; i != m_bottom; ++i)
{
int dst = left;
while (dst != right)
{
byte v9 = m_input.ReadByte();
if (0 != (v9 & 0x80))
{
if (0 != (v9 & 0x40))
{
m_output[dst] = (byte)(m_output[dst - 3] + ((v9 >> 3) & 6) - 2);
m_output[dst + 1] = (byte)(m_output[dst - 2] + ((v9 >> 1) & 6) - 2);
m_output[dst + 2] = (byte)(m_output[dst - 1] + ((v9 & 3) + 127) * 2);
}
else
{
byte v15 = m_input.ReadByte();
m_output[dst] = (byte)(((v9 << 1) + (v15 & 1)) << 1);
m_output[dst + 1] = (byte)(v15 & 0xfe);
m_output[dst + 2] = m_input.ReadByte();
}
dst += 3;
continue;
}
uint shift = (uint)v9 >> 4;
int count = v9 & 0xF;
if (0 == count)
{
count = (int)m_input.ReadByte() + 15;
if (270 == count)
{
int v12;
do
{
v12 = m_input.ReadByte();
count += v12;
}
while (v12 == 0xff);
}
}
if (0 != shift)
{
int src = dst + ShiftTable[shift];
Binary.CopyOverlapped (m_output, src, dst, count * 3);
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}
dst += 3 * count;
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}
left += m_width*3; //640*3;
right += m_width*3; //640*3;
}
}
public void UnpackIndexed ()
{
byte[] palette = m_input.ReadBytes (0x180);
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int right = 3 * (m_width * m_top + m_right);
int left = 3 * (m_width * m_top + m_left); // 3 * (Rect.left + 640 * Rect.top);
for (int i = m_top; i != m_bottom; ++i)
{
int dst = left;
while (dst != right)
{
byte v13 = m_input.ReadByte();
if (0 != (v13 & 0x80))
{
int color = 3 * (v13 & 0x7F);
m_output[dst] = palette[color];
m_output[dst+1] = palette[color+1];
m_output[dst+2] = palette[color+2];
dst += 3;
continue;
}
uint shift = (uint)v13 >> 4;
int count = v13 & 0xF;
if (0 == count)
{
count = m_input.ReadByte() + 15;
if (270 == count)
{
int v16;
do
{
v16 = m_input.ReadByte();
count += v16;
}
while (v16 == 0xff);
}
}
if (0 != shift)
{
int src = dst + ShiftTable[shift];
Binary.CopyOverlapped (m_output, src, dst, count * 3);
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}
dst += 3 * count;
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}
right += m_width*3;
left += m_width*3;
}
}
#region IDisposable Members
bool disposed = false;
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing)
{
if (!disposed)
{
if (disposing)
{
m_input.Dispose();
}
disposed = true;
}
}
#endregion
}
}
}