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GARbro-mirror/Legacy/Bom/ImageGRP.cs
morkt 3a11f5fc7a Legacy updated. 
GRP/RG image format.
improved 'BData' images handling.
YK archives.
'1AWF' archives.
2023-09-14 18:33:35 +04:00

419 lines
14 KiB
C#
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//! \file ImageGRP.cs
//! \date 2018 Mar 30
//! \brief BOM image format.
//
// Copyright (C) 2018-2023 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;
// [020705][BOM] Ikihaji@
// [021025][Crystal Vision] Confession ~Hajimete no Kokuhaku~
namespace GameRes.Formats.Bom
{
internal class GrpMetaData : ImageMetaData
{
public int Stride;
public int Type;
public uint DataOffset;
}
[Export(typeof(ImageFormat))]
public class GrpFormat : ImageFormat
{
public override string Tag { get { return "GRP/RG"; } }
public override string Description { get { return "BOM image format"; } }
public override uint Signature { get { return 0x01004752; } } // 'RG'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x24);
if ((header[6] & 0x80) == 0)
return null;
int bpp;
switch (header[4])
{
case 5: bpp = 4; break;
case 4: bpp = 8; break;
case 3: bpp = 16; break;
case 2: bpp = 24; break;
case 1: bpp = 32; break;
default: return null;
}
return new GrpMetaData {
Width = header.ToUInt16 (8),
Height = header.ToUInt16 (10),
BPP = bpp,
Stride = header.ToInt32 (0x18),
Type = header[4],
DataOffset = header.ToUInt16 (0x22),
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var reader = new GrpReader (file, (GrpMetaData)info);
return reader.Unpack();
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("GrpFormat.Write not implemented");
}
}
internal class GrpReader
{
IBinaryStream m_input;
GrpMetaData m_info;
byte[] m_output;
public PixelFormat Format { get; private set; }
public GrpReader (IBinaryStream file, GrpMetaData info)
{
m_input = file;
m_info = info;
m_output = new byte[m_info.Stride * (int)m_info.Height];
Format = info.BPP == 16 ? PixelFormats.Bgr555
: info.BPP == 24 ? PixelFormats.Bgr24
: info.BPP == 32 ? PixelFormats.Bgra32
: PixelFormats.Gray8;
}
int m_dst;
public ImageData Unpack ()
{
m_input.Position = m_info.DataOffset;
uint size = m_input.ReadUInt32();
if ((size & 0x80000000) != 0)
{
m_input.Read (m_output, 0, m_output.Length);
}
else
{
UnpackLz();
}
return ImageData.Create (m_info, Format, null, m_output, m_info.Stride);
}
void UnpackLz ()
{
Init();
var frame = new byte[0x1000];
for (int i = 0; i < 0xFC0; ++i)
frame[i] = 0x20;
int frame_pos = 0xFC0;
m_dst = 0;
while (m_dst < m_output.Length)
{
int ctl = GetControlWord();
if (ctl >= 0x100)
{
int count = ctl - 0xFD;
int offset = (frame_pos - GetOffset() - 1) & 0xFFF;
for (int i = 0; i < count; ++i)
{
byte v = frame[(offset + i) & 0xFFF];
PutByte (v);
frame[frame_pos++ & 0xFFF] = v;
}
}
else
{
PutByte (ctl);
frame[frame_pos++ & 0xFFF] = (byte)ctl;
}
}
}
int dword_6FF460;
int dword_6FFE54;
int dword_709868;
int[] dword_6FF464 = new int[636];
int[] dword_703E68 = new int[635];
int[] dword_70986C = new int[953];
void Init ()
{
dword_6FFE54 = -1;
dword_6FF460 = 0;
dword_709868 = 0;
for (int i = 0; i < 318; ++i)
{
dword_6FF464[i] = 1;
dword_70986C[i + 635] = i;
dword_703E68[i] = i + 635;
}
int v1 = 0;
int v2 = 318;
for (int i = 0; i <= 316; ++i)
{
int v4 = dword_6FF464[v1] + dword_6FF464[v1 + 1];
dword_70986C[v1] = v2;
dword_70986C[v1 + 1] = v2;
dword_6FF464[i + 318] = v4;
dword_703E68[i + 318] = v1;
v1 += 2;
++v2;
}
dword_70986C[634] = 0;
m_cached_bits = 0;
m_bits = 0;
dword_6FF464[635] = 0xFFFF;
}
int GetControlWord ()
{
int ctl;
for (ctl = dword_703E68[634]; ctl < 635; ctl = dword_703E68[GetNextBit() + ctl])
;
ctl -= 635;
sub_408C80 (ctl);
return ctl;
}
int GetOffset ()
{
int v0 = GetByte();
int v1 = byte_438D10[v0] - 2;
int v2 = byte_438C10[v0] << 6;
int bits = GetBits (v1);
return v2 | (((v0 << v1) & 0xFF) | (bits & 0xFF)) & 0x3F;
}
static readonly byte[] byte_438C10 = new byte[] {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5,
6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9,
0x0A, 0x0A, 0x0A, 0x0A, 0x0A, 0x0A, 0x0A, 0x0A, 0x0B, 0x0B, 0x0B, 0x0B, 0x0B, 0x0B, 0x0B, 0x0B,
0x0C, 0x0C, 0x0C, 0x0C, 0x0D, 0x0D, 0x0D, 0x0D, 0x0E, 0x0E, 0x0E, 0x0E, 0x0F, 0x0F, 0x0F, 0x0F,
0x10, 0x10, 0x10, 0x10, 0x11, 0x11, 0x11, 0x11, 0x12, 0x12, 0x12, 0x12, 0x13, 0x13, 0x13, 0x13,
0x14, 0x14, 0x14, 0x14, 0x15, 0x15, 0x15, 0x15, 0x16, 0x16, 0x16, 0x16, 0x17, 0x17, 0x17, 0x17,
0x18, 0x18, 0x19, 0x19, 0x1A, 0x1A, 0x1B, 0x1B, 0x1C, 0x1C, 0x1D, 0x1D, 0x1E, 0x1E, 0x1F, 0x1F,
0x20, 0x20, 0x21, 0x21, 0x22, 0x22, 0x23, 0x23, 0x24, 0x24, 0x25, 0x25, 0x26, 0x26, 0x27, 0x27,
0x28, 0x28, 0x29, 0x29, 0x2A, 0x2A, 0x2B, 0x2B, 0x2C, 0x2C, 0x2D, 0x2D, 0x2E, 0x2E, 0x2F, 0x2F,
0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F,
};
static readonly byte[] byte_438D10 = new byte[] {
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
};
int m_bits;
int m_cached_bits;
int GetNextBit ()
{
FillBitCache();
m_bits <<= 1;
m_cached_bits--;
return (m_bits >> 16) & 1;
}
int GetByte()
{
FillBitCache();
int result = m_bits >> 8;
m_bits <<= 8;
m_cached_bits -= 8;
return result & 0xFF;
}
int GetBits (int n)
{
FillBitCache();
int bits = m_bits << n;
m_cached_bits -= n;
int result = m_bits >> BitShiftTable[n];
m_bits = bits;
return result & BitMaskTable[n];
}
void FillBitCache ()
{
if (m_cached_bits <= 8)
{
int v = m_input.ReadByte();
if (-1 == v)
v = 0;
m_bits |= v << (8 - m_cached_bits);
m_cached_bits += 8;
}
}
static readonly ushort[] BitMaskTable = new ushort[] {
0, 1, 3, 7, 0x0F, 0x1F, 0x3F, 0x7F, 0x0FF, 0x1FF, 0x3FF, 0x7FF, 0x0FFF, 0x1FFF, 0x3FFF, 0x0FFF, 0xFFFF
};
static readonly byte[] BitShiftTable = new byte[] {
0x10, 0x0F, 0x0E, 0x0D, 0x0C, 0x0B, 0x0A, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0
};
void sub_408C80 (int a1)
{
if (dword_6FF464[634] == 0x8000)
sub_408D50();
int v1 = dword_70986C[a1 + 635];
do
{
int v2 = ++dword_6FF464[v1];
int v3 = v2;
if (v2 > dword_6FF464[v1 + 1])
{
int v4 = v1 + 2; // &dword_6FF464[v1 + 2];
while (v3 > dword_6FF464[v4++])
;
dword_6FF464[v1] = dword_6FF464[v4 - 2];
dword_6FF464[v4 - 2] = v3;
int v6 = v4; // v4 - dword_6FF464;
int v7 = dword_703E68[v1];
int v8 = v6 - 2;
dword_70986C[v7] = v8;
if (v7 < 635)
dword_70986C[v7 + 1] = v8;
int v9 = dword_703E68[v8];
dword_703E68[v8] = v7;
dword_70986C[v9] = v1;
if (v9 < 635)
dword_70986C[v9 + 1] = v1;
dword_703E68[v1] = v9;
v1 = v8;
}
v1 = dword_70986C[v1];
}
while (v1 != 0);
}
void sub_408D50 ()
{
int v2 = 0;
for (int i = 0; i < 635; ++i)
{
int v3 = dword_703E68[i];
if (v3 >= 635)
{
int v4 = dword_6FF464[i];
dword_703E68[v2] = v3;
dword_6FF464[v2] = (v4 + 1) >> 1;
++v2;
}
}
int v5 = 318;
int v19 = 0;
int v6 = 0; // dword_6FF464;
int v1 = 0;
while (v1 < 317)
{
int v7 = dword_6FF464[v6] + dword_6FF464[v6 + 1];
int v9 = v5;
int v10 = v1 + 317; // &dword_6FF464[v1 + 317];
dword_6FF464[v1 + 318] = v7;
while (v7 < dword_6FF464[v10])
{
--v10;
--v9;
}
int p = v9; // &dword_6FF464[v9]
for (int v8 = v1 + 318; v8 > p; --v8)
dword_6FF464[v8] = dword_6FF464[v8 - 1];
dword_6FF464[p] = v7;
int v14 = v1 + 318; // &dword_703E68[v1 + 318];
int v15 = v9; // &dword_703E68[v9];
while (v14 > v15)
{
dword_703E68[v14] = dword_703E68[v14 - 1];
--v14;
}
v6 += 2;
dword_703E68[v15] = v19;
v19 += 2;
++v5;
++v1;
}
int v16 = 0;
for (int i = 0; i < 635; ++i)
{
int v18 = dword_703E68[i];
if (v18 < 635)
dword_70986C[v18 + 1] = v16;
dword_70986C[v18] = v16;
++v16;
}
}
void PutByte (int a1)
{
if (dword_6FF460 != 0)
{
int v1 = (a1 & 0x7F) << (7 * dword_6FF460 - 7);
dword_709868 += v1;
if ((a1 & 0x80) != 0)
{
++dword_6FF460;
}
else
{
int count = dword_709868;
dword_6FF460 = 0;
while (count --> 0 && m_dst < m_output.Length)
{
m_output[m_dst++] = (byte)dword_6FFE54;
}
dword_6FFE54 = -1;
}
}
else if (dword_6FFE54 >= 0)
{
if (dword_6FFE54 == a1)
{
dword_6FF460 = 1;
dword_709868 = 0;
}
else
{
if (m_dst < m_output.Length)
m_output[m_dst++] = (byte)dword_6FFE54;
dword_6FFE54 = a1;
}
}
else
{
dword_6FF460 = 0;
dword_6FFE54 = a1;
}
}
}
}
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