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(Csystem): implemented incremental images.
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305680a4d3
commit
3cefd9d151
@ -174,6 +174,8 @@ namespace GameRes.Formats.Cyberworks
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Extensions = new string[] { "dat", "04", "05", "06", "app" };
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}
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public bool BlendOverlayImages = true;
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static readonly ArchiveNameParser[] s_name_parsers = {
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new ArcNameParser(), new DatNameParser(), new InKyouParser()
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};
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@ -256,6 +258,7 @@ namespace GameRes.Formats.Cyberworks
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var pent = entry as PackedEntry;
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if (null != pent && pent.IsPacked)
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{
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input = new BufferedStream (input);
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input = new LzssStream (input);
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}
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return input;
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@ -269,7 +272,10 @@ namespace GameRes.Formats.Cyberworks
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var input = arc.OpenBinaryEntry (entry);
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try
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{
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return DecryptImage (input, barc.Scheme);
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var reader = DecryptImage (input, barc.Scheme);
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if (BlendOverlayImages && reader is AImageReader)
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reader = BlendAImage (barc, entry, reader as AImageReader);
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return reader;
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}
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catch
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{
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@ -301,6 +307,43 @@ namespace GameRes.Formats.Cyberworks
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return new ImageFormatDecoder (input);
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}
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IImageDecoder BlendAImage (BellArchive arc, Entry entry, AImageReader overlay)
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{
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var header = overlay.ReadHeader();
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if (header[0] != 1)
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return overlay;
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var scheme = arc.Scheme;
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var dir = (List<Entry>)arc.Dir;
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int i = dir.IndexOf (entry);
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while (--i >= 0 && "image" == dir[i].Type)
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{
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using (var input = OpenEntry (arc, dir[i]))
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{
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int type = input.ReadByte();
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if (type != 'a')
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break;
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int id = input.ReadByte();
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if (id != scheme.Value2)
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break;
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using (var bin = new BinaryStream (input, dir[i].Name))
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using (var base_image = new AImageReader (bin, scheme))
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{
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var base_header = base_image.ReadHeader();
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if (1 == base_header[0])
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continue;
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// check if image width/height are the same
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if (base_header[3] == header[3] && base_header[4] == header[4])
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{
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base_image.Unpack();
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overlay.Baseline = base_image.Data;
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}
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break;
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}
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}
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}
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return overlay;
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}
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internal AImageScheme QueryScheme (string arc_name)
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{
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var title = FormatCatalog.Instance.LookupGame (arc_name);
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@ -579,8 +622,7 @@ namespace GameRes.Formats.Cyberworks
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var entry = ReadEntryInfo();
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if (ReadEntryType (entry, entry_size))
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{
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if (!entry.CheckPlacement (MaxOffset))
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return false;
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if (entry.CheckPlacement (MaxOffset))
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m_dir.Add (entry);
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}
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m_index.Position = next_pos;
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@ -668,6 +710,8 @@ namespace GameRes.Formats.Cyberworks
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protected override bool ReadEntryType (Entry entry, int entry_size)
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{
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if (entry_size > 0x11)
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throw new InvalidFormatException();
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char type = (char)m_index.ReadByte();
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if (type > 0x20 && type < 0x7F)
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{
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@ -51,10 +51,12 @@ namespace GameRes.Formats.Cyberworks
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byte[] m_output;
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AImageScheme m_scheme;
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ImageData m_image;
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int[] m_header;
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public Stream Source { get { m_input.Position = 0; return m_input.AsStream; } }
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public ImageFormat SourceFormat { get { return null; } }
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public ImageMetaData Info { get { return m_info; } }
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public byte[] Baseline { get; set; }
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public ImageData Image
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{
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@ -81,17 +83,25 @@ namespace GameRes.Formats.Cyberworks
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m_scheme = scheme;
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}
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public void Unpack ()
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internal int[] ReadHeader ()
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{
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if (m_header != null)
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return m_header;
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int header_length = Math.Max (8, m_scheme.HeaderOrder.Length);
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var header = new int[header_length];
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m_header = new int[header_length];
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for (int i = 0; i < m_scheme.HeaderOrder.Length; ++i)
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{
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int b = GetInt();
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header[m_scheme.HeaderOrder[i]] = b;
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m_header[m_scheme.HeaderOrder[i]] = b;
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}
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Info.Width = (uint)header[4];
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Info.Height = (uint)header[3];
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Info.Width = (uint)m_header[4];
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Info.Height = (uint)m_header[3];
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return m_header;
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}
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public void Unpack ()
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{
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var header = ReadHeader();
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if (0 == Info.Width || Info.Width >= 0x8000 || 0 == Info.Height || Info.Height >= 0x8000)
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throw new InvalidFormatException();
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int unpacked_size = header[5];
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@ -160,22 +170,32 @@ namespace GameRes.Formats.Cyberworks
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if (alpha_map.Length != alpha_size)
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throw new InvalidFormatException();
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Info.BPP = 32;
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int plane_size = (int)Info.Width * (int)Info.Height;
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if (Baseline != null)
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{
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Info.BPP = 24;
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m_output = Baseline;
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}
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else
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{
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Info.BPP = 32;
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m_output = new byte[plane_size * 4];
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}
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int pixel_size = Info.BPP / 8;
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int bit = 1;
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int bit_src = 0;
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int dst = 0;
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for (int i = 0; i < plane_size; ++i)
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{
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byte alpha = 0;
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if ((bit & alpha_map[bit_src]) != 0)
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{
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m_input.Read (m_output, dst, 3);
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m_output[dst+3] = 0xFF;
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alpha = 0xFF;
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}
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else
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m_output[dst+3] = 0;
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dst += 4;
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if (4 == pixel_size)
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m_output[dst+3] = alpha;
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dst += pixel_size;
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if (0x80 == bit)
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{
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++bit_src;
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