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(Legacy): added formats.
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(GPC): Adv98 engine image format.
(PIC): Grocer image format.
(PL4): Pearl Soft images.
(PAK,QDO): Red-Zone resources.
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morkt committed Sep 25, 2023
1 parent 08ab953 commit e4e85fe
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239 changes: 239 additions & 0 deletions Legacy/Adv98/ImageGPC.cs
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//! \file ImageGPC.cs
//! \date 2023 Sep 22
//! \brief Adv98 engine image format (PC-98).
//
// Copyright (C) 2023 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.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
using System.Windows.Media.Imaging;

namespace GameRes.Formats.Adv98
{
internal class GpcMetaData : ImageMetaData
{
public long PaletteOffset;
public long DataOffset;
public int Interleaving;
}

[Export(typeof(ImageFormat))]
public class GpcFormat : ImageFormat
{
public override string Tag => "GPC/PC98";
public override string Description => "Adv98 engine image format";
public override uint Signature => 0x38394350; // 'PC98'

public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x20);
if (!header.AsciiEqual (4, ")GPCFILE \0"))
return null;
uint info_pos = header.ToUInt32 (0x18);
var info = new GpcMetaData
{
Interleaving = header.ToUInt16 (0x10),
PaletteOffset = header.ToUInt32 (0x14),
DataOffset = info_pos + 0x10,
BPP = 4,
};
file.Position = info_pos;
info.Width = file.ReadUInt16();
info.Height = file.ReadUInt16();
file.Position = info_pos + 0xA;
info.OffsetX = file.ReadInt16();
info.OffsetY = file.ReadInt16();
return info;
}

public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var reader = new GpcReader (file, (GpcMetaData)info);
return reader.Unpack();
}

public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("GpcFormat.Write not implemented");
}
}

internal class GpcReader
{
IBinaryStream m_input;
GpcMetaData m_info;
int m_stride;

public BitmapPalette Palette { get; private set; }

public GpcReader (IBinaryStream input, GpcMetaData info)
{
m_input = input;
m_info = info;
}

public ImageData Unpack ()
{
m_input.Position = m_info.PaletteOffset;
Palette = ReadPalette();
int plane_stride = (m_info.iWidth + 7) >> 3;
int row_size = plane_stride * 4 + 1;
var data = new byte[row_size * m_info.iHeight];
m_input.Position = m_info.DataOffset;
UnpackData (data);
RestoreData (data, row_size);
m_stride = plane_stride * 4;
var pixels = new byte[m_stride * m_info.iHeight];
ConvertTo8bpp (data, pixels, plane_stride);
return ImageData.Create (m_info, PixelFormats.Indexed4, Palette, pixels, m_stride);
}

void ConvertTo8bpp (byte[] input, byte[] output, int plane_stride)
{
int interleaving_step = m_stride * m_info.Interleaving;
int src_row = 1;
int dst_row = 0;
int i = 0;
for (int y = 0; y < m_info.iHeight; ++y)
{
if (dst_row >= output.Length)
{
dst_row = m_stride * ++i;
}
int p0 = src_row;
int p1 = p0 + plane_stride;
int p2 = p1 + plane_stride;
int p3 = p2 + plane_stride;
src_row = p3 + plane_stride + 1;
int dst = dst_row;
for (int x = plane_stride; x > 0; --x)
{
byte b0 = input[p0++];
byte b1 = input[p1++];
byte b2 = input[p2++];
byte b3 = input[p3++];
for (int j = 0; j < 8; j += 2)
{
byte px = (byte)((((b0 << j) & 0x80) >> 3)
| (((b1 << j) & 0x80) >> 2)
| (((b2 << j) & 0x80) >> 1)
| (((b3 << j) & 0x80) ));
px |= (byte)((((b0 << j) & 0x40) >> 6)
| (((b1 << j) & 0x40) >> 5)
| (((b2 << j) & 0x40) >> 4)
| (((b3 << j) & 0x40) >> 3));
output[dst++] = px;
}
}
dst_row += interleaving_step;
}
}

void UnpackData (byte[] output)
{
int dst = 0;
int ctl = 0;
int ctl_mask = 0;
while (dst < output.Length)
{
if (0 == ctl_mask)
{
ctl = m_input.ReadByte();
if (-1 == ctl)
break;
ctl_mask = 0x80;
}
if ((ctl & ctl_mask) != 0)
{
int cmd = m_input.ReadByte();
for (int cmd_mask = 0x80; cmd_mask != 0; cmd_mask >>= 1)
{
if ((cmd & cmd_mask) != 0)
output[dst++] = m_input.ReadUInt8();
else
++dst;
}
}
else
{
dst += 8;
}
ctl_mask >>= 1;
}
}

void RestoreData (byte[] data, int stride)
{
int src = 0;
for (int y = 0; y < m_info.iHeight; ++y)
{
int interleave = data[src];
if (interleave != 0)
{
byte lastValue = 0;
for (int i = 0; i < interleave; ++i)
{
int pos = 1 + i;
while (pos < stride)
{
data[src + pos] ^= lastValue;
lastValue = data[src + pos];
pos += interleave;
}
}

}
if (y > 0)
{
int prev = src - stride;
int length = (stride - 1) & -4;
for (int x = 1; x <= length; ++x)
{
data[src + x] ^= data[prev + x];

}
}
src += stride;
}
}

BitmapPalette ReadPalette ()
{
int count = m_input.ReadUInt16();
int elem_size = m_input.ReadUInt16();
if (elem_size != 2)
throw new InvalidFormatException (string.Format ("Invalid palette element size {0}", elem_size));
var colors = new Color[count];
for (int i = 0; i < count; ++i)
{
int v = m_input.ReadUInt16();
int r = (v >> 4) & 0xF;
int g = (v >> 8) & 0xF;
int b = (v ) & 0xF;
colors[i] = Color.FromRgb ((byte)(r * 0x11), (byte)(g * 0x11), (byte)(b * 0x11));
}
// colors[0].A = 0; // force transparency
return new BitmapPalette (colors);
}
}
}
41 changes: 41 additions & 0 deletions Legacy/Blucky/Aliases.cs
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//! \file Aliases.cs
//! \date 2023 Sep 17
//! \brief Blucky formats aliases.
//
// Copyright (C) 2023 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.ComponentModel.Composition;

// [970627][Blucky] Rekiai

namespace GameRes.Formats.Blucky
{
[Export(typeof(ResourceAlias))]
[ExportMetadata("Extension", "OSA")]
[ExportMetadata("Target", "BMP")]
public class OsaFormat : ResourceAlias { }

[Export(typeof(ResourceAlias))]
[ExportMetadata("Extension", "WF")]
[ExportMetadata("Target", "WAV")]
public class WfFormat : ResourceAlias { }
}
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