Public-Mirror/GARbro-mirror
1
0
Fork 0
mirror of https://github.com/crskycode/GARbro.git synced 2024-11-24 06:05:35 +08:00
Code Issues Projects Releases Wiki Activity
3732d8bb5d
GARbro-mirror/ArcFormats/Masys/ImageAG.cs

386 lines
13 KiB
C#
Raw Normal View History

implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
//! \file ImageAG.cs
//! \date Sun May 10 23:53:34 2015
//! \brief Masys Enhanced Game Unit 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.ComponentModel.Composition;
using System.Windows.Media;
using System.IO;
using GameRes.Utility;
namespace GameRes.Formats.Megu
{
[Export(typeof(ImageFormat))]
public class AgFormat : ImageFormat
{
public override string Tag { get { return "ACG"; } }
public override string Description { get { return "Masys image format"; } }
public override uint Signature { get { return 0x00644741u; } } // 'AGd'
IBinaryStream migration.
2016-10-16 13:22:53 +08:00
public override ImageMetaData ReadMetaData (IBinaryStream file)
implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
{
IBinaryStream migration.
2016-10-16 13:22:53 +08:00
file.Position = 4;
var info = new ImageMetaData();
info.Width = file.ReadUInt32();
info.Height = file.ReadUInt32();
file.Position = 0x38;
int alpha_size = file.ReadInt32();
info.BPP = 0 == alpha_size ? 24 : 32;
return info;
implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
}
IBinaryStream migration.
2016-10-16 13:22:53 +08:00
public override ImageData Read (IBinaryStream stream, ImageMetaData info)
implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
{
var reader = new AgReader (stream, info);
reader.Unpack();
return ImageData.Create (info, reader.Format, null, reader.Data);
}
public override void Write (Stream file, ImageData image)
{
throw new NotImplementedException ("AgFormat.Write not implemented");
}
}
internal class AgReader
{
byte[] in1;
byte[] in2;
byte[] in3;
byte[] in4;
byte[] in5;
byte[] m_alpha;
byte[] m_output;
int m_width;
int m_height;
int m_pixel_size;
byte[] m_first = new byte[3];
public byte[] Data { get { return m_output; } }
public PixelFormat Format { get; private set; }
IBinaryStream migration.
2016-10-16 13:22:53 +08:00
public AgReader (IBinaryStream input, ImageMetaData info)
implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
{
m_width = (int)info.Width;
m_height = (int)info.Height;
IBinaryStream migration.
2016-10-16 13:22:53 +08:00
input.Position = 0x0c;
uint offset1 = input.ReadUInt32();
int size1 = input.ReadInt32();
uint offset2 = input.ReadUInt32();
int size2 = input.ReadInt32();
uint offset3 = input.ReadUInt32();
int size3 = input.ReadInt32();
uint offset4 = input.ReadUInt32();
int size4 = input.ReadInt32();
uint offset5 = input.ReadUInt32();
int size5 = input.ReadInt32();
uint offset6 = input.ReadUInt32();
int size6 = input.ReadInt32();
input.Read (m_first, 0, 3);
if (size1 != 0)
in1 = ReadSection (input, offset1, size1);
if (size2 != 0)
in2 = ReadSection (input, offset2, size2);
if (size3 != 0)
in3 = ReadSection (input, offset3, size3);
if (size4 != 0)
in4 = ReadSection (input, offset4, size4);
if (size5 != 0)
in5 = ReadSection (input, offset5, size5);
if (size6 != 0)
implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
{
IBinaryStream migration.
2016-10-16 13:22:53 +08:00
input.Position = offset6;
m_alpha = new byte[m_height*m_width];
RleDecode (input, m_alpha);
Format = PixelFormats.Bgra32;
m_pixel_size = 4;
}
else
{
Format = PixelFormats.Bgr24;
m_pixel_size = 3;
implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
}
IBinaryStream migration.
2016-10-16 13:22:53 +08:00
m_output = new byte[m_width*m_height*m_pixel_size];
implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
}
IBinaryStream migration.
2016-10-16 13:22:53 +08:00
static private byte[] ReadSection (IBinaryStream input, long offset, int size)
implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
{
input.Position = offset;
var buf = new byte[size + 4];
if (size != input.Read (buf, 0, size))
throw new InvalidFormatException ("Unexpected end of file");
return buf;
}
public void Unpack ()
{
int v20 = 1;
int src1 = 0;
uint v25 = LittleEndian.ToUInt32 (in1, src1);
src1 += 4;
int v5 = 1;
int src2 = 0;
uint v24 = LittleEndian.ToUInt32 (in2, src2);
src2 += 4;
int v4 = 1;
int src3 = 0;
uint v23 = LittleEndian.ToUInt32 (in3, src3);
src3 += 4;
int v3 = 0;
int src4 = 0;
uint v22 = LittleEndian.ToUInt32 (in4, src4);
src4 += 4;
int v19 = 0;
int src5 = 0;
uint v21 = LittleEndian.ToUInt32 (in5, src5);
src5 += 4;
byte B;
byte G;
byte R;
int stride = m_width * m_pixel_size;
for (int y = 0; y < m_height; ++y)
{
int dst = y * stride;
for (int x = 0; x < stride; x += m_pixel_size)
{
if (0 != (v20 & v25))
{
B = (byte)(v21 >> v19);
v19 += 8;
if (32 == v19)
{
v21 = LittleEndian.ToUInt32 (in5, src5);
src5 += 4;
v19 = 0;
}
}
else
{
if (0 != (v4 & v23))
{
B = m_first[0];
}
else
{
B = (byte)((v22 >> v3) & 0xF);
v3 += 4;
if (32 == v3)
{
v22 = LittleEndian.ToUInt32 (in4, src4);
src4 += 4;
v3 = 0;
}
++B;
if (0 != (v5 & v24))
B = (byte)(m_first[0] - B);
else
B += m_first[0];
v5 <<= 1;
if (0 == v5)
{
v5 = 1;
v24 = LittleEndian.ToUInt32 (in2, src2);
src2 += 4;
}
}
v4 <<= 1;
if (0 == v4)
{
v4 = 1;
v23 = LittleEndian.ToUInt32 (in3, src3);
src3 += 4;
}
}
v20 <<= 1;
if (0 == v20)
{
v25 = LittleEndian.ToUInt32 (in1, src1);
src1 += 4;
v20 = 1;
}
if (0 != (v20 & v25))
{
G = (byte)(v21 >> v19);
v19 += 8;
if (32 == v19)
{
v21 = LittleEndian.ToUInt32 (in5, src5);
src5 += 4;
v19 = 0;
}
}
else
{
if (0 != (v4 & v23))
{
G = m_first[1];
}
else
{
G = (byte)((v22 >> v3) & 0xF);
v3 += 4;
if (32 == v3)
{
v22 = LittleEndian.ToUInt32 (in4, src4);
src4 += 4;
v3 = 0;
}
++G;
if (0 != (v5 & v24))
G = (byte)(m_first[1] - G);
else
G += m_first[1];
v5 <<= 1;
if (0 == v5)
{
v5 = 1;
v24 = LittleEndian.ToUInt32 (in2, src2);
src2 += 4;
}
}
v4 <<= 1;
if (0 == v4)
{
v4 = 1;
v23 = LittleEndian.ToUInt32 (in3, src3);
src3 += 4;
}
}
v20 <<= 1;
if (0 == v20)
{
v25 = LittleEndian.ToUInt32 (in1, src1);
src1 += 4;
v20 = 1;
}
if (0 != (v20 & v25))
{
R = (byte)(v21 >> v19);
v19 += 8;
if (32 == v19)
{
v21 = LittleEndian.ToUInt32 (in5, src5);
src5 += 4;
v19 = 0;
}
}
else
{
if (0 != (v4 & v23))
{
R = m_first[2];
}
else
{
R = (byte)((v22 >> v3) & 0xF);
v3 += 4;
if (32 == v3)
{
v22 = LittleEndian.ToUInt32 (in4, src4);
src4 += 4;
v3 = 0;
}
++R;
if (0 != (v5 & v24))
R = (byte)(m_first[2] - R);
else
R += m_first[2];
v5 <<= 1;
if (0 == v5)
{
v5 = 1;
v24 = LittleEndian.ToUInt32 (in2, src2);
src2 += 4;
}
}
v4 <<= 1;
if (0 == v4)
{
v4 = 1;
v23 = LittleEndian.ToUInt32 (in3, src3);
src3 += 4;
}
}
v20 <<= 1;
if (0 == v20)
{
v25 = LittleEndian.ToUInt32 (in1, src1);
src1 += 4;
v20 = 1;
}
m_output[dst+x] = B;
m_output[dst+x+1] = G;
m_output[dst+x+2] = R;
m_first[0] = B;
m_first[1] = G;
m_first[2] = R;
}
m_first[0] = m_output[dst];
m_first[1] = m_output[dst+1];
m_first[2] = m_output[dst+2];
}
if (m_alpha != null)
ApplyAlpha();
}
private void ApplyAlpha ()
{
int src = 0;
for (int i = 3; i < m_output.Length; i += 4)
{
int alpha = Math.Min (m_alpha[src++]*0xff/0x40, 0xff);
m_output[i] = (byte)alpha;
}
}
IBinaryStream migration.
2016-10-16 13:22:53 +08:00
private static void RleDecode (IBinaryStream src, byte[] dst_buf)
implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
{
int remaining = dst_buf.Length;
int dst = 0;
while (remaining > 0)
{
IBinaryStream migration.
2016-10-16 13:22:53 +08:00
byte v = src.ReadUInt8();
implemented MEGU engine resources.
2015-05-12 00:23:32 +08:00
int count;
if (0 != (v & 0x80))
{
v &= 0x7F;
count = src.ReadUInt16();
for (int j = 0; j < count; ++j)
{
dst_buf[dst++] = v;
}
}
else
{
dst_buf[dst++] = v;
count = 1;
}
remaining -= count;
}
}
}
}
Reference in New Issue Copy Permalink