mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-24 03:44:13 +08:00
(WbmFormat): added compression methods and alpha-channel support.
This commit is contained in:
morkt
parent
947e0a6664
commit
d526ef96fc
@ -39,6 +39,34 @@ namespace GameRes.Formats.WildBug
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public byte[] Header;
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}
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internal class WpxSection
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{
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public int DataFormat;
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public int Offset;
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public int UnpackedSize;
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public int PackedSize;
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public static WpxSection Find (byte[] header, byte id, int count, int dir_size)
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{
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int ptr = 0;
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int n = 0;
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while (header[ptr] != id)
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{
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ptr += dir_size;
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if (ptr >= header.Length)
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return null;
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if (++n >= count)
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return null;
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}
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return new WpxSection {
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DataFormat = header[ptr+1],
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Offset = LittleEndian.ToInt32 (header, ptr+4),
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UnpackedSize = LittleEndian.ToInt32 (header, ptr+8),
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PackedSize = LittleEndian.ToInt32 (header, ptr+12),
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};
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}
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}
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[Export(typeof(ImageFormat))]
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public class WbmFormat : ImageFormat
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{
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@ -51,6 +79,8 @@ namespace GameRes.Formats.WildBug
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byte[] header = new byte[0x10];
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if (header.Length != stream.Read (header, 0, header.Length))
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return null;
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if (!Binary.AsciiEqual (header, 4, "BMP"))
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return null;
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int count = header[0xE];
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int dir_size = header[0xF];
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if (1 != header[0xC] || 0 == count || 0 == dir_size)
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@ -58,17 +88,15 @@ namespace GameRes.Formats.WildBug
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header = new byte[count * dir_size];
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if (header.Length != stream.Read (header, 0, header.Length))
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return null;
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int? ptr = GetDataBlock (header, 0x10, count, dir_size);
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if (null == ptr)
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var section = WpxSection.Find (header, 0x10, count, dir_size);
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if (null == section)
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return null;
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int data_offset = LittleEndian.ToInt32 (header, ptr.Value+4);
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int size = LittleEndian.ToInt32 (header, ptr.Value+8);
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if (size < 0x10)
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if (section.UnpackedSize < 0x10)
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return null;
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stream.Seek (data_offset, SeekOrigin.Begin);
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byte[] data = new byte[size];
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if (size != stream.Read (data, 0, size))
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stream.Seek (section.Offset, SeekOrigin.Begin);
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byte[] data = new byte[section.UnpackedSize];
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if (data.Length != stream.Read (data, 0, data.Length))
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return null;
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return new WbmMetaData
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@ -82,34 +110,15 @@ namespace GameRes.Formats.WildBug
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};
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}
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private int? GetDataBlock (byte[] header, byte id, int count, int dir_size)
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{
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int ptr = 0;
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int n = 0;
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while (header[ptr] != id)
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{
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ptr += dir_size;
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if (ptr >= header.Length)
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return null;
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if (++n >= count)
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return null;
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}
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return ptr;
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}
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public override ImageData Read (Stream stream, ImageMetaData info)
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{
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var meta = info as WbmMetaData;
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if (null == meta)
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throw new ArgumentException ("WbmFormat.Read should be supplied with WbmMetaData", "info");
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int? ptr = GetDataBlock (meta.Header, 0x11, meta.EntryCount, meta.EntrySize);
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if (null == ptr)
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var section = WpxSection.Find (meta.Header, 0x11, meta.EntryCount, meta.EntrySize);
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if (null == section)
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throw new InvalidFormatException();
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int data_format = meta.Header[ptr.Value+1];
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int data_offset = LittleEndian.ToInt32 (meta.Header, ptr.Value+4);
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int unpacked_size = LittleEndian.ToInt32 (meta.Header, ptr.Value+8);
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int packed_size = LittleEndian.ToInt32 (meta.Header, ptr.Value+12);
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PixelFormat format;
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int pixel_size;
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@ -131,12 +140,43 @@ namespace GameRes.Formats.WildBug
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throw new NotSupportedException ("Not supported WBM bitdepth");
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}
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int stride = ((int)meta.Width * pixel_size + 3) & -4;
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var reader = new WbmReader (stream, data_offset, unpacked_size, packed_size);
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var pixels = reader.Unpack (stride, pixel_size, meta.Header[ptr.Value+1]);
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var reader = new WbmReader (stream, section);
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var pixels = reader.Unpack (stride, pixel_size, section.DataFormat);
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if (null == pixels)
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throw new InvalidFormatException();
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if (meta.BPP < 24)
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return ImageData.Create (info, format, null, pixels, stride);
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section = WpxSection.Find (meta.Header, 0x13, meta.EntryCount, meta.EntrySize);
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if (null == section)
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return ImageData.Create (info, format, null, pixels, stride);
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return ImageData.Create (info, format, null, pixels, stride);
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int alpha_stride = ((int)meta.Width + 3) & -4;
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byte[] alpha = null;
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try
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{
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reader = new WbmReader (stream, section);
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alpha = reader.Unpack (alpha_stride, 1, section.DataFormat);
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}
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catch { }
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if (null == alpha)
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return ImageData.Create (info, format, null, pixels, stride);
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byte[] alpha_image = new byte[4*meta.Width*meta.Height];
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int dst = 0;
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for (int y = 0; y < meta.Height; ++y)
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{
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int alpha_src = y * alpha_stride;
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int src = y * stride;
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for (int x = 0; x < meta.Width; ++x)
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{
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alpha_image[dst++] = pixels[src];
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alpha_image[dst++] = pixels[src+1];
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alpha_image[dst++] = pixels[src+2];
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alpha_image[dst++] = alpha[alpha_src+x];
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src += pixel_size;
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}
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}
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return ImageData.Create (info, PixelFormats.Bgra32, null, alpha_image, (int)meta.Width*4);
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}
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public override void Write (Stream file, ImageData image)
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@ -150,20 +190,20 @@ namespace GameRes.Formats.WildBug
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Stream m_input;
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byte[] m_output;
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int m_packed_size;
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int m_start_pos;
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public byte[] Data { get { return m_output; } }
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public WbmReader (Stream input, int offset, int unpacked_size, int packed_size)
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public WbmReader (Stream input, WpxSection section)
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{
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m_input = input;
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m_input.Position = offset;
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m_output = new byte[unpacked_size];
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m_packed_size = packed_size;
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m_start_pos = section.Offset;
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m_output = new byte[section.UnpackedSize];
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m_packed_size = section.PackedSize;
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}
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public byte[] Unpack (int stride, int pixel_size, int flags) // sub_40919C
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void GenerateOffsetTableV1 (int[] offset_table, int stride, int pixel_size)
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{
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int[] offset_table = new int[8];
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offset_table[4] = pixel_size;
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offset_table[2] = 2 * pixel_size;
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offset_table[5] = 3 * pixel_size;
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@ -183,31 +223,245 @@ namespace GameRes.Formats.WildBug
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offset_table[3] = 7 * pixel_size;
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offset_table[1] = 8 * pixel_size;
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}
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if (0 == (flags & 0x80) && 0 != m_packed_size)
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{
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byte[] ref_table = new byte[0x10000];
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if (0 != (flags & 1))
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{
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if (0 != (flags & 4))
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return UnpackV5 (ref_table, offset_table, pixel_size);
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else if (0 != (flags & 2))
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return UnpackV3 (ref_table, offset_table, pixel_size);
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else
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return UnpackV1 (offset_table, pixel_size);
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}
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else if (0 != (flags & 4))
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return UnpackV4 (ref_table, offset_table, pixel_size);
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else if (0 != (flags & 2))
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return UnpackV2 (ref_table, offset_table, pixel_size);
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else
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return UnpackV0 (offset_table, pixel_size);
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}
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else if (m_output.Length == m_input.Read (m_output, 0, m_output.Length))
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return m_output;
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}
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void GenerateOffsetTableV2 (int[] offset_table, int stride, int pixel_size)
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{
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offset_table[0] = pixel_size;
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offset_table[1] = 2 * pixel_size;
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offset_table[2] = 3 * pixel_size;
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if (5 * pixel_size < stride)
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{
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offset_table[3] = stride - pixel_size;
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offset_table[4] = stride;
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offset_table[5] = pixel_size + stride;
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offset_table[6] = 2 * pixel_size + stride;
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offset_table[7] = 2 * stride;
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}
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else
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{
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offset_table[3] = 4 * pixel_size;
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offset_table[4] = 5 * pixel_size;
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offset_table[5] = 6 * pixel_size;
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offset_table[6] = 7 * pixel_size;
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offset_table[7] = 8 * pixel_size;
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}
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}
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int m_condition;
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public byte[] Unpack (int stride, int pixel_size, int flags) // sub_40919C
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{
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int[] offset_table = new int[8];
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GenerateOffsetTableV2 (offset_table, stride, pixel_size);
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for (m_condition = 1; m_condition >= 0; --m_condition)
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{
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try
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{
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ResetInput();
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if (0 == (flags & 0x80) && 0 != m_packed_size)
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{
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byte[] ref_table = new byte[0x10000];
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if (0 != (flags & 1))
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{
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if (0 != (flags & 8))
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{
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if (0 != (flags & 4))
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return UnpackVD (ref_table, offset_table, pixel_size);
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else if (0 != (flags & 2))
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return UnpackVB (ref_table, offset_table, pixel_size);
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else
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return UnpackV9 (offset_table, pixel_size);
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}
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else if (0 != (flags & 4))
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return UnpackV5 (ref_table, offset_table, pixel_size);
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else if (0 != (flags & 2))
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return UnpackV3 (ref_table, offset_table, pixel_size);
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else
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return UnpackV1 (offset_table, pixel_size);
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}
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else if (0 != (flags & 4))
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return UnpackV4 (ref_table, offset_table, pixel_size);
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else if (0 != (flags & 2))
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return UnpackV2 (ref_table, offset_table, pixel_size);
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else
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return UnpackV0 (offset_table, pixel_size);
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}
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else if (m_output.Length == m_input.Read (m_output, 0, m_output.Length))
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return m_output;
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}
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catch
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{
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if (0 == m_condition)
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throw;
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}
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GenerateOffsetTableV1 (offset_table, stride, pixel_size);
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}
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return null;
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}
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byte[] UnpackVD (byte[] a4, int[] offset_table, int pixel_size) // 0x0F format
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// int sub_460470(void *dst, const void *src, unsigned __int8 *ref_table, unsigned int packed_size, int *offset_table, int unpacked_size, unsigned int pixel_size)
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{
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byte[] v47 = BuildTable(); //sub_46C26C();
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int min_count = 1 == pixel_size ? 2 : 1;
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m_available = FillBuffer();
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if (0 == m_available)
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return null;
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int step = (pixel_size + 3) & -4;
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if (m_available < step + 0x80)
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return null;
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int v7 = -pixel_size & 3;
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Buffer.BlockCopy (m_buffer, 0, m_output, 0, pixel_size);
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int dst = pixel_size;
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int remaining = m_output.Length - pixel_size;
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m_current = pixel_size + v7 + 128;
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if (!FillRefTable (a4, pixel_size + v7))
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return null;
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int v45 = 16384;
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while (remaining > 0)
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{
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while (0 == (GetNextBit() ^ m_condition))
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{
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int v24 = 0;
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int v25 = 0;
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v45 &= ~0xff00;
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v45 |= m_output[dst - pixel_size] << 8;
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int v26 = 16384;
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for (;;)
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{
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v24 = (v24 + 1) & 0xFF;
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if (GetNextBit() != 0)
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v25 |= v26;
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if (a4[2 * v25] == v24)
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break;
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v26 >>= 1;
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if (0 == v26)
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return null;
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}
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v24 = a4[2 * v25 + 1];
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byte v28 = v47[v45 + v24];
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if (0 != v24)
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{
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Buffer.BlockCopy (v47, v45, v47, v45+1, v24);
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v47[v45] = v28;
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}
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m_output[dst++] = v28;
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--remaining;
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if (0 == remaining)
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return m_output;
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}
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int count;
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int src_offset;
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if (GetNextBit() != 0)
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{
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int v37 = ReadNext();
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count = 2;
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src_offset = dst - 1 - v37;
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}
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else
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{
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count = min_count;
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int v36 = GetNextBit() << 2;
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v36 |= GetNextBit() << 1;
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v36 |= GetNextBit();
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src_offset = dst - offset_table[v36];
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}
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if (0 == GetNextBit())
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{
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count += ReadCount();
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}
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if (remaining < count)
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return null;
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Binary.CopyOverlapped (m_output, src_offset, dst, count);
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dst += count;
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remaining -= count;
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}
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return m_output;
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}
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byte[] UnpackVB (byte[] a4, int[] offset_table, int pixel_size) // 0x0B format
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{
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byte[] v47 = BuildTable(); //sub_46C26C();
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int min_count = 1 == pixel_size ? 2 : 1;
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m_available = FillBuffer();
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if (0 == m_available)
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return null;
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int step = (pixel_size + 3) & -4;
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if (m_available < step + 0x80)
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return null;
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int v7 = -pixel_size & 3;
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Buffer.BlockCopy (m_buffer, 0, m_output, 0, pixel_size);
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int dst = pixel_size;
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int remaining = m_output.Length - pixel_size;
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m_current = pixel_size + v7 + 128;
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if (!FillRefTable (a4, pixel_size + v7))
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return null;
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while (remaining > 0)
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{
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while (0 == (GetNextBit() ^ m_condition))
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{
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int v24 = 0;
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int v25 = 0;
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int v26 = 16384;
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for (;;)
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{
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v24 = (v24 + 1) & 0xFF;
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if (GetNextBit() != 0)
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v25 |= v26;
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if (a4[2 * v25] == v24)
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break;
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v26 >>= 1;
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if (0 == v26)
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return null;
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}
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m_output[dst++] = a4[2 * v25 + 1];
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--remaining;
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if (0 == remaining)
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return m_output;
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}
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int count;
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int src_offset;
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if (GetNextBit() != 0)
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{
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int v37 = ReadNext();
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count = 2;
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src_offset = dst - 1 - v37;
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}
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else
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{
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count = min_count;
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int v36 = GetNextBit() << 2;
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v36 |= GetNextBit() << 1;
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v36 |= GetNextBit();
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src_offset = dst - offset_table[v36];
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}
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if (0 == GetNextBit())
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{
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count += ReadCount();
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}
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if (remaining < count)
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return null;
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Binary.CopyOverlapped (m_output, src_offset, dst, count);
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dst += count;
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remaining -= count;
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}
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return m_output;
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}
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byte[] UnpackV9 (int[] offset_table, int pixel_size) // 0x09 format
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{
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throw new NotImplementedException();
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}
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byte[] UnpackV5 (byte[] a4, int[] offset_table, int pixel_size) // 0x07 format
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// int sub_409AF4 (void *a1, FILE *stream, void *ptr, void *a4, unsigned int m_packed_size, int *offset_table, int unpacked_size, unsigned int pixel_size)
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{
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@ -235,7 +489,7 @@ namespace GameRes.Formats.WildBug
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int v43 = 16384;
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while (remaining > 0)
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{
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while (0 == GetNextBit())
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while (0 == (GetNextBit() ^ m_condition))
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{
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int v25 = 0;
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int v26 = 0;
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@ -270,9 +524,8 @@ namespace GameRes.Formats.WildBug
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if (GetNextBit() != 0)
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{
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count = min_count;
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int v32 = GetNextBit() << 1;
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v32 |= GetNextBit();
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v32 <<= 1;
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int v32 = GetNextBit() << 2;
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v32 |= GetNextBit() << 1;
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v32 |= GetNextBit();
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src_offset = dst - offset_table[v32];
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}
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@ -323,7 +576,7 @@ namespace GameRes.Formats.WildBug
|
||||
while (remaining > 0)
|
||||
{
|
||||
int v28;
|
||||
while (0 == GetNextBit())
|
||||
while (0 == (GetNextBit() ^ m_condition))
|
||||
{
|
||||
int v27 = 0;
|
||||
v28 = 0;
|
||||
@ -402,7 +655,7 @@ namespace GameRes.Formats.WildBug
|
||||
|
||||
while (remaining > 0)
|
||||
{
|
||||
while (GetNextBit() == 0)
|
||||
while (0 == (GetNextBit() ^ m_condition))
|
||||
{
|
||||
int v24 = 0;
|
||||
int v25 = 0;
|
||||
@ -477,7 +730,7 @@ namespace GameRes.Formats.WildBug
|
||||
|
||||
while (remaining > 0)
|
||||
{
|
||||
while (0 == GetNextBit())
|
||||
while (0 == (GetNextBit() ^ m_condition))
|
||||
{
|
||||
int v20 = 0;
|
||||
int v21 = 0;
|
||||
@ -544,7 +797,7 @@ namespace GameRes.Formats.WildBug
|
||||
m_bit_count = 8;
|
||||
while (remaining > 0)
|
||||
{
|
||||
while (0 == GetNextBit())
|
||||
while (0 == (GetNextBit() ^ m_condition))
|
||||
{
|
||||
m_output[dst++] = ReadNext();
|
||||
--remaining;
|
||||
@ -555,9 +808,8 @@ namespace GameRes.Formats.WildBug
|
||||
if (GetNextBit() != 0)
|
||||
{
|
||||
count = min_count;
|
||||
int v14 = GetNextBit() << 1;
|
||||
v14 |= GetNextBit();
|
||||
v14 <<= 1;
|
||||
int v14 = GetNextBit() << 2;
|
||||
v14 |= GetNextBit() << 1;
|
||||
v14 |= GetNextBit();
|
||||
src_offset = dst - offset_table[v14];
|
||||
}
|
||||
@ -602,7 +854,7 @@ namespace GameRes.Formats.WildBug
|
||||
m_bit_count = 8;
|
||||
while (remaining > 0)
|
||||
{
|
||||
while (0 == GetNextBit())
|
||||
while (0 == (GetNextBit() ^ m_condition))
|
||||
{
|
||||
m_output[dst++] = ReadNext();
|
||||
--remaining;
|
||||
@ -655,7 +907,7 @@ namespace GameRes.Formats.WildBug
|
||||
byte v2 = (byte)(-1 - i);
|
||||
for (int j = 0; j < 0x100; ++j)
|
||||
{
|
||||
table[0x100*i + j] = v2--; // *(&byte_41B0C0[256 * i] + j) = v2--;
|
||||
table[0x100*i + j] = v2--;
|
||||
}
|
||||
}
|
||||
return table;
|
||||
@ -677,13 +929,21 @@ namespace GameRes.Formats.WildBug
|
||||
return m_buffer[m_current++];
|
||||
}
|
||||
|
||||
int m_input_remaining;
|
||||
|
||||
void ResetInput ()
|
||||
{
|
||||
m_input.Position = m_start_pos;
|
||||
m_input_remaining = m_packed_size;
|
||||
}
|
||||
|
||||
int FillBuffer () // sub_409B02
|
||||
{
|
||||
int read = 0;
|
||||
if (m_packed_size > 0)
|
||||
if (m_input_remaining > 0)
|
||||
{
|
||||
int size = Math.Min (m_packed_size, 0x8000);
|
||||
m_packed_size -= size;
|
||||
int size = Math.Min (m_input_remaining, 0x8000);
|
||||
m_input_remaining -= size;
|
||||
read = m_input.Read (m_buffer, 0, size);
|
||||
}
|
||||
return read;
|
||||
|
||||
@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
|
||||
// You can specify all the values or you can default the Build and Revision Numbers
|
||||
// by using the '*' as shown below:
|
||||
// [assembly: AssemblyVersion("1.0.*")]
|
||||
[assembly: AssemblyVersion ("1.1.9.94")]
|
||||
[assembly: AssemblyFileVersion ("1.1.9.94")]
|
||||
[assembly: AssemblyVersion ("1.1.9.95")]
|
||||
[assembly: AssemblyFileVersion ("1.1.9.95")]
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user