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(Lune.PackOpener): updated image unpacking.

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enabled export at lowest priority.
This commit is contained in:
morkt 2018-10-25 16:59:08 +04:00
parent fcf6a3bc6e
commit 99e5dc4b11
1 changed files with 188 additions and 159 deletions
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347
Legacy/Lune/ArcPACK.cs
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@ -30,12 +30,12 @@ using System.Windows.Media;
using GameRes.Utility; using GameRes.Utility;
// [001110][Lune] Wasurekaketa Kokoro no Kakera // [001110][Lune] Wasurekaketa Kokoro no Kakera
// [010413][Sarang] Tokyo Yuuyuu
namespace GameRes.Formats.Lune namespace GameRes.Formats.Lune
{ {
#if DEBUG
[Export(typeof(ArchiveFormat))] [Export(typeof(ArchiveFormat))]
#endif [ExportMetadata("Priority", -2)]
public class PackOpener : ArchiveFormat public class PackOpener : ArchiveFormat
{ {
public override string Tag { get { return "PACK/LUNE"; } } public override string Tag { get { return "PACK/LUNE"; } }
@ -58,9 +58,11 @@ namespace GameRes.Formats.Lune
if (!IsSaneCount (count)) if (!IsSaneCount (count))
return null; return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name); var base_name = Path.GetFileNameWithoutExtension (file.Name);
string type = file.Name.HasExtension (".wda") ? "audio" string type = file.Name.HasAnyOfExtensions (".wda", ".bgm") ? "audio"
: file.Name.HasExtension (".scr") ? "script" : file.Name.HasExtension (".scr") ? "script"
: "image"; : "image";
if (base_name == "pack")
base_name = Path.GetExtension (file.Name).TrimStart ('.');
uint index_offset = 0; uint index_offset = 0;
var dir = new List<Entry> (count); var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i) for (int i = 0; i < count; ++i)
@ -84,16 +86,17 @@ namespace GameRes.Formats.Lune
public override Stream OpenEntry (ArcFile arc, Entry entry) public override Stream OpenEntry (ArcFile arc, Entry entry)
{ {
if (!arc.File.Name.HasExtension (".wda")) if (!arc.File.Name.HasAnyOfExtensions (".wda", ".bgm"))
return base.OpenEntry (arc, entry); return base.OpenEntry (arc, entry);
uint sample_rate = arc.File.Name.HasExtension (".bgm") ? 44100u : 22050u;
var format = new WaveFormat { var format = new WaveFormat {
FormatTag = 1, FormatTag = 1,
Channels = 1, Channels = 1,
SamplesPerSecond = 22050, SamplesPerSecond = sample_rate,
AverageBytesPerSecond = 44100,
BlockAlign = 2, BlockAlign = 2,
BitsPerSample = 16, BitsPerSample = 16,
}; };
format.SetBPS();
byte[] wav_header; byte[] wav_header;
using (var output = new MemoryStream (0x2C)) using (var output = new MemoryStream (0x2C))
{ {
@ -107,72 +110,90 @@ namespace GameRes.Formats.Lune
public override IImageDecoder OpenImage (ArcFile arc, Entry entry) public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{ {
var input = arc.File.CreateStream (entry.Offset, entry.Size); var input = arc.File.CreateStream (entry.Offset, entry.Size);
if (arc.File.Name.HasExtension (".msk")) if (0 == input.Signature)
return new Pack2ImageDecoder (input);
else if (arc.File.Name.HasExtension (".msk"))
return new PackMaskDecoder (input); return new PackMaskDecoder (input);
else else
return new PackImageDecoder (input); return new PackImageDecoder (input);
} }
} }
internal class PackImageDecoder : IImageDecoder internal class PackImageDecoder : BinaryImageDecoder
{ {
protected IBinaryStream m_input; protected int m_start_pos;
protected byte[] m_output; protected int m_stride;
private ImageData m_image; protected int m_first_pixel_size;
protected byte m_max_pixel = 0x20;
public Stream Source { get { m_input.Position = 0; return m_input.AsStream; } }
public ImageFormat SourceFormat { get { return null; } }
public PixelFormat Format { get; private set; }
public ImageMetaData Info { get; private set; }
public ImageData Image { public PixelFormat Format { get; protected set; }
get {
if (null == m_image)
{
Unpack();
m_image = ImageData.Create (Info, Format, null, m_output);
}
return m_image;
}
}
public PackImageDecoder (IBinaryStream input) : this (input, PixelFormats.Bgr24) { } public PackImageDecoder (IBinaryStream input) : base (input)
protected PackImageDecoder (IBinaryStream input, PixelFormat format)
{ {
m_input = input; ReadHeader();
uint width = input.ReadUInt16(); m_start_pos = (int)m_input.Position;
uint height = input.ReadUInt16(); m_stride = (int)Info.Width * Format.BitsPerPixel / 8;
Format = format;
Info = new ImageMetaData { Width = width, Height = height, BPP = format.BitsPerPixel };
m_output = new byte[(int)width * (int)height * Info.BPP / 8];
} }
protected virtual void Unpack () protected virtual void ReadHeader ()
{ {
m_input.Position = 4; Format = PixelFormats.Bgr24;
Info = new ImageMetaData {
Width = m_input.ReadUInt16(),
Height = m_input.ReadUInt16(),
BPP = 24,
};
m_first_pixel_size = 1;
}
protected override ImageData GetImageData ()
{
m_input.Position = m_start_pos;
var data = ReadDataBytes(); var data = ReadDataBytes();
using (var bits = new MsbBitStream (m_input.AsStream, true)) using (var bits = new MsbBitStream (m_input.AsStream, true))
{ {
int src = 0; var pixels = new byte[m_stride * (int)Info.Height];
m_output[0] = data[src++]; if (24 == Info.BPP)
for (int dst = 1; dst < m_output.Length; ++dst) Unpack24bpp (bits, data, pixels);
else
Unpack8bpp (bits, data, pixels);
return ImageData.Create (Info, Format, null, pixels);
}
}
protected void Unpack24bpp (MsbBitStream bits, byte[] data, byte[] output)
{
int src = 0, dst = 0;
for (int i = 0; i < m_first_pixel_size; ++i)
output[dst++] = data[src++];
while (dst < output.Length)
{
int ctl = bits.GetBits (2);
byte v;
if (0 == ctl)
{ {
int ctl = bits.GetBits (2); v = data[src++];
byte v; }
if (0 == ctl) else
{
v = output[dst-3];
if (ctl == 2)
{ {
v = data[src++]; if (bits.GetNextBit() != 0)
v -= 1;
else
v += 1;
} }
else else if (ctl == 3)
{ {
v = m_output[dst-3]; ctl = bits.GetBits (2);
if (ctl == 2) if (ctl == 2)
{ {
if (bits.GetNextBit() != 0) if (bits.GetNextBit() != 0)
v -= 1; v -= 3;
else else
v += 1; v += 3;
} }
else if (ctl == 3) else if (ctl == 3)
{ {
@ -180,42 +201,107 @@ namespace GameRes.Formats.Lune
if (ctl == 2) if (ctl == 2)
{ {
if (bits.GetNextBit() != 0) if (bits.GetNextBit() != 0)
v -= 3; v -= 5;
else else
v += 3; v += 5;
} }
else if (ctl == 3) else if (ctl == 3)
{ {
ctl = bits.GetBits (2); switch (bits.GetBits (2))
if (ctl == 2)
{ {
if (bits.GetNextBit() != 0) case 3: v -= 7; break;
v -= 5; case 2: v += 7; break;
else case 1: v -= 6; break;
v += 5; default: v += 6; break;
} }
else if (ctl == 3)
{
switch (bits.GetBits (2))
{
case 3: v -= 7; break;
case 2: v += 7; break;
case 1: v -= 6; break;
default: v += 6; break;
}
}
else if (ctl == 1)
v -= 4;
else
v += 4;
} }
else if (ctl == 1) else if (ctl == 1)
v -= 2; v -= 4;
else else
v += 2; v += 4;
}
else if (ctl == 1)
v -= 2;
else
v += 2;
}
}
output[dst++] = v;
}
}
protected void Unpack8bpp (MsbBitStream bits, byte[] data, byte[] output)
{
int src = 0;
int dst = 0;
byte init_value = data[src++];
output[dst++] = init_value;
int bit_count = 0;
int y = 0;
int x = 1;
while (dst < output.Length)
{
int ctl = bits.GetBits (2);
if (0 == ctl)
{
int count;
if (bit_count > 0)
count = bits.GetBits (14 - bit_count);
else
count = bits.GetBits (6);
while (count --> 0 && dst < output.Length)
{
if (y == 0 || x + 1 == m_stride)
output[dst] = init_value;
else
output[dst] = output[dst - m_stride + 1];
++dst;
if (++x == m_stride)
{
x = 0;
++y;
} }
} }
m_output[dst] = v; bit_count = 0;
continue;
}
else if (1 == ctl)
{
bit_count += 2;
if (0 == x)
output[dst] = init_value;
else
output[dst] = output[dst - m_stride - 1];
}
else if (2 == ctl)
{
bit_count += 2;
output[dst] = data[src++];
}
else
{
bit_count += 3;
if (bits.GetNextBit() != 0)
output[dst] = output[dst - m_stride];
else
output[dst] = output[dst-1];
}
++dst;
if (++x == m_stride)
{
x = 0;
++y;
}
if (bit_count >= 8)
bit_count -= 8;
}
if (8 == Info.BPP)
{
byte max = m_max_pixel; // System.Linq.Enumerable.Max (output);
if (max != 0 && max != 0xFF)
{
for (int i = 0; i < output.Length; ++i)
output[i] = (byte)(output[i] * 0xFF / max);
} }
} }
} }
@ -231,99 +317,42 @@ namespace GameRes.Formats.Lune
m_input.Position = ctl_pos; m_input.Position = ctl_pos;
return data; return data;
} }
bool m_disposed = false;
public void Dispose ()
{
if (!m_disposed)
{
m_input.Dispose();
m_disposed = true;
}
}
} }
internal sealed class PackMaskDecoder : PackImageDecoder internal sealed class PackMaskDecoder : PackImageDecoder
{ {
public PackMaskDecoder (IBinaryStream input) : base (input, PixelFormats.Gray8) { } public PackMaskDecoder (IBinaryStream input) : base (input) { }
protected override void Unpack () protected override void ReadHeader ()
{ {
m_input.Position = 4; Format = PixelFormats.Gray8;
var data = ReadDataBytes(); Info = new ImageMetaData {
using (var bits = new MsbBitStream (m_input.AsStream, true)) Width = m_input.ReadUInt16(),
{ Height = m_input.ReadUInt16(),
int stride = (int)Info.Width; BPP = 8
int src = 0; };
int dst = 0; }
byte init_value = data[src++]; }
m_output[dst++] = init_value;
int bit_count = 0; internal class Pack2ImageDecoder : PackImageDecoder
int y = 0; {
int x = 1; public Pack2ImageDecoder (IBinaryStream input) : base (input) { }
while (dst < m_output.Length)
{ protected override void ReadHeader ()
int ctl = bits.GetBits (2); {
if (0 == ctl) Info = new ImageMetaData {
{ OffsetX = m_input.ReadInt16(),
int count; OffsetY = m_input.ReadInt16(),
if (bit_count > 0) Width = m_input.ReadUInt16(),
count = bits.GetBits (14 - bit_count); Height = m_input.ReadUInt16(),
else BPP = m_input.ReadUInt16(),
count = bits.GetBits (6); };
while (count --> 0 && dst < m_output.Length) if (Info.BPP < 4 || Info.BPP > 24)
{ throw new InvalidFormatException();
if (y == 0 || x + 1 == stride) m_first_pixel_size = 3;
m_output[dst] = init_value; Format = Info.BPP == 24 ? PixelFormats.Bgr24
else : Info.BPP == 4 ? PixelFormats.Gray4
m_output[dst] = m_output[dst - stride + 1]; : PixelFormats.Gray8;
++dst;
if (++x == stride)
{
x = 0;
++y;
}
}
bit_count = 0;
continue;
}
else if (1 == ctl)
{
bit_count += 2;
if (0 == x)
m_output[dst] = init_value;
else
m_output[dst] = m_output[dst - stride - 1];
}
else if (2 == ctl)
{
bit_count += 2;
m_output[dst] = data[src++];
}
else
{
bit_count += 3;
if (bits.GetNextBit() != 0)
m_output[dst] = m_output[dst - stride];
else
m_output[dst] = m_output[dst-1];
}
++dst;
if (++x == stride)
{
x = 0;
++y;
}
if (bit_count >= 8)
bit_count -= 8;
}
}
const byte max = 0x20; // System.Linq.Enumerable.Max (m_output);
if (max != 0 && max != 0xFF)
{
for (int i = 0; i < m_output.Length; ++i)
m_output[i] = (byte)(m_output[i] * 0xFF / max);
}
} }
} }
} }