diff --git a/ArcFormats/AZSys/ImageCPB.cs b/ArcFormats/AZSys/ImageCPB.cs
index 35c7d327..03b3a33c 100644
--- a/ArcFormats/AZSys/ImageCPB.cs
+++ b/ArcFormats/AZSys/ImageCPB.cs
@@ -2,7 +2,7 @@
//! \date Wed Apr 22 11:08:13 2015
//! \brief AZ system image format implementation.
//
-// Copyright (C) 2015 by morkt
+// Copyright (C) 2015-2016 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
@@ -30,12 +30,16 @@ using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using GameRes.Compression;
+using GameRes.Utility;
namespace GameRes.Formats.AZSys
{
internal class CpbMetaData : ImageMetaData
{
- public uint[] Channel = new uint[4];
+ public int Type;
+ public int Version;
+ public uint[] Channel = new uint[4];
+ public uint DataOffset;
}
[Export(typeof(ImageFormat))]
@@ -52,38 +56,51 @@ namespace GameRes.Formats.AZSys
public override ImageMetaData ReadMetaData (Stream stream)
{
- stream.Seek (5, SeekOrigin.Current);
+ stream.Seek (4, SeekOrigin.Current);
+ int type = stream.ReadByte();
int bpp = stream.ReadByte();
if (24 != bpp && 32 != bpp)
throw new NotSupportedException ("Not supported CPB image format");
using (var input = new ArcView.Reader (stream))
{
int version = input.ReadInt16 ();
- if (1 != version)
+ if (1 != version && 0 != version)
throw new NotSupportedException ("Not supported CPB image version");
- var info = new CpbMetaData ();
- info.BPP = bpp;
- input.ReadUInt32();
- info.Width = input.ReadUInt16();
- info.Height = input.ReadUInt16();
- info.Channel[0] = input.ReadUInt32(); // Alpha
- info.Channel[1] = input.ReadUInt32();
- info.Channel[2] = input.ReadUInt32();
- info.Channel[3] = input.ReadUInt32();
+ var info = new CpbMetaData {
+ Type = type,
+ Version = version,
+ BPP = bpp,
+ };
+ if (1 == version)
+ {
+ input.ReadUInt32();
+ info.Width = input.ReadUInt16();
+ info.Height = input.ReadUInt16();
+ info.Channel[0] = input.ReadUInt32();
+ info.Channel[1] = input.ReadUInt32();
+ info.Channel[2] = input.ReadUInt32();
+ info.Channel[3] = input.ReadUInt32();
+ }
+ else
+ {
+ info.Width = input.ReadUInt16();
+ info.Height = input.ReadUInt16();
+ input.ReadUInt32();
+ info.Channel[0] = input.ReadUInt32();
+ info.Channel[1] = input.ReadUInt32();
+ info.Channel[2] = input.ReadUInt32();
+ info.Channel[3] = input.ReadUInt32();
+ }
+ info.DataOffset = (uint)stream.Position;
return info;
}
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
- var meta = info as CpbMetaData;
- if (null == meta)
- throw new ArgumentException ("CpbFormat.Read should be supplied with CpbMetaData", "info");
-
- stream.Position = 0x20;
- var reader = new Reader (stream, meta);
+ var reader = new Reader (stream, (CpbMetaData)info);
reader.Unpack();
- return ImageData.Create (meta, reader.Format, reader.Palette, reader.Data);
+ return ImageData.Create (info, reader.Format, reader.Palette, reader.Data);
}
internal class Reader
@@ -94,6 +111,7 @@ namespace GameRes.Formats.AZSys
Stream m_input;
byte[] m_output;
uint[] m_channel;
+ CpbMetaData m_info;
public PixelFormat Format { get; private set; }
public BitmapPalette Palette { get; private set; }
@@ -103,6 +121,7 @@ namespace GameRes.Formats.AZSys
{
m_width = (int)info.Width;
m_height = (int)info.Height;
+ m_info = info;
m_bpp = info.BPP;
m_channel = info.Channel;
m_output = new byte[m_width * m_height * 4];
@@ -113,12 +132,32 @@ namespace GameRes.Formats.AZSys
else
Format = PixelFormats.Bgra32;
m_input = input;
+ m_input.Position = info.DataOffset;
+
+ if (1 == m_info.Version)
+ {
+ StreamMap = new byte[] { 0, 3, 1, 2 };
+ ChannelMap = new byte[] { 3, 0, 1, 2 };
+ }
+ else
+ {
+ StreamMap = new byte[] { 0, 1, 2, 3 };
+ ChannelMap = new byte[] { 2, 1, 0, 3 };
+ }
}
- static byte[] StreamMap = new byte[] { 0, 3, 1, 2 };
- static byte[] ChannelMap = new byte[] { 3, 0, 1, 2 };
+ byte[] StreamMap;
+ byte[] ChannelMap;
public void Unpack ()
+ {
+ if (0 == m_info.Version && 3 == m_info.Type)
+ UnpackV3();
+ else
+ UnpackV0();
+ }
+
+ void UnpackV0 ()
{
byte[] channel = new byte[m_width*m_height];
long start_pos = m_input.Position;
@@ -140,6 +179,67 @@ namespace GameRes.Formats.AZSys
start_pos += m_channel[StreamMap[i]];
}
}
+
+ void UnpackV3 ()
+ {
+ byte[] channel = new byte[m_width*m_height];
+ long start_pos = m_input.Position;
+ for (int i = 0; i < 4; ++i)
+ {
+ int packed_size = (int)m_channel[StreamMap[i]];
+ if (0 == packed_size)
+ continue;
+ m_input.Position = start_pos;
+ int channel_size = Decompress (packed_size, channel);
+ int dst = ChannelMap[i];
+ for (int j = 0; j < channel_size; ++j)
+ {
+ m_output[dst] = channel[j];
+ dst += 4;
+ }
+ start_pos += packed_size;
+ }
+ }
+
+ int Decompress (int input_size, byte[] output)
+ {
+ var input = new byte[input_size];
+ if (input_size != m_input.Read (input, 0, input_size))
+ throw new EndOfStreamException();
+ int src1 = 0x14;
+ int src2 = src1 + LittleEndian.ToInt32 (input, 4);
+ int src3 = src2 + LittleEndian.ToInt32 (input, 8);
+ int remaining = LittleEndian.ToInt32 (input, 0x10);
+ int dst = 0;
+ int mask = 0x80;
+ while (remaining > 0)
+ {
+ int count;
+ if (0 != (mask & input[src1]))
+ {
+ int offset = LittleEndian.ToUInt16 (input, src2);
+ src2 += 2;
+ count = (offset >> 13) + 3;
+ offset = (offset & 0x1FFF) + 1;
+ Binary.CopyOverlapped (output, dst-offset, dst, count);
+ }
+ else
+ {
+ count = input[src3++] + 1;
+ Buffer.BlockCopy (input, src3, output, dst, count);
+ src3 += count;
+ }
+ dst += count;
+ remaining -= count;
+ mask >>= 1;
+ if (0 == mask)
+ {
+ ++src1;
+ mask = 0x80;
+ }
+ }
+ return dst;
+ }
}
}
}
diff --git a/supported.html b/supported.html
index 8039896a..a2b8e67d 100644
--- a/supported.html
+++ b/supported.html
@@ -358,6 +358,7 @@ Shuffle! Essence+