mirror of
https://github.com/crskycode/GARbro.git
synced 2025-01-11 20:39:29 +08:00
implemented LINK5 and LINK6 archives.
This commit is contained in:
morkt
parent
61a1253980
commit
8050763487
@ -108,4 +108,88 @@ namespace GameRes.Formats.Kaguya
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return TgaStream.Create (info, pixels, true);
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class An20Opener : ArchiveFormat
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{
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public override string Tag { get { return "AN20/KAGUYA"; } }
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public override string Description { get { return "KaGuYa script engine animation resource"; } }
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public override uint Signature { get { return 0x30324E41; } } // 'AN20'
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public An20Opener ()
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{
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Extensions = new string[] { "anm" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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int table_count = file.View.ReadInt16 (4);
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uint current_offset = 8;
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for (int i = 0; i < table_count; ++i)
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{
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switch (file.View.ReadByte (current_offset++))
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{
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case 0: break;
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case 1: current_offset += 8; break;
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case 2:
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case 3:
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case 4:
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case 5: current_offset += 4; break;
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default: return null;
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}
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}
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current_offset += 2 + file.View.ReadUInt16 (current_offset) * 8u;
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int count = file.View.ReadInt16 (current_offset);
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if (!IsSaneCount (count))
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return null;
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current_offset += 2;
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var base_info = new ImageMetaData
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{
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OffsetX = file.View.ReadInt32 (current_offset),
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OffsetY = file.View.ReadInt32 (current_offset+4),
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Width = file.View.ReadUInt32 (current_offset+8),
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Height = file.View.ReadUInt32 (current_offset+12),
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BPP = 32,
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};
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current_offset += 0x10;
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string base_name = Path.GetFileNameWithoutExtension (file.Name);
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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uint width = file.View.ReadUInt32 (current_offset+8);
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uint height = file.View.ReadUInt32 (current_offset+0x0C);
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uint depth = file.View.ReadUInt32 (current_offset+0x10);
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var entry = new Entry
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{
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Name = string.Format ("{0}#{1:D2}.tga", base_name, i),
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Type = "image",
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Offset = current_offset,
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Size = 0x14 + depth*width*height,
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};
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dir.Add (entry);
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current_offset += entry.Size;
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}
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return new AnmArchive (file, this, dir, base_info);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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var base_info = ((AnmArchive)arc).ImageInfo;
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// emulate TGA image
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var offset = entry.Offset;
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var info = new ImageMetaData
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{
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OffsetX = base_info.OffsetX + arc.File.View.ReadInt32 (offset),
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OffsetY = base_info.OffsetY + arc.File.View.ReadInt32 (offset+4),
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Width = arc.File.View.ReadUInt32 (offset+8),
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Height = arc.File.View.ReadUInt32 (offset+0xC),
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BPP = arc.File.View.ReadInt32 (offset+0x10) * 8,
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};
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offset += 0x14;
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var pixels = arc.File.View.ReadBytes (offset, (uint)info.BPP/8*info.Width*info.Height);
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return TgaStream.Create (info, pixels, true);
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}
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}
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}
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@ -1,4 +1,4 @@
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//! \file ArcLINK.cs
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//! \file ArcLINK.cs
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//! \date Fri Jan 22 18:44:56 2016
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//! \brief KaGuYa archive format.
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//
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@ -27,9 +27,26 @@ using System;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Text;
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namespace GameRes.Formats.Kaguya
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{
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internal class LinkEntry : PackedEntry
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{
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public bool IsEncrypted;
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}
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internal class LinkArchive : ArcFile
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{
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public readonly LinkEncryption Encryption;
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public LinkArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, LinkEncryption enc)
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: base (arc, impl, dir)
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{
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Encryption = enc;
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class LinkOpener : ArchiveFormat
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{
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@ -47,37 +64,37 @@ namespace GameRes.Formats.Kaguya
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public override ArcFile TryOpen (ArcView file)
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{
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int version = file.View.ReadByte (4) - '0';
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if (version != 3)
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if (version < 3 || version > 6)
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return null;
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long current_offset = 8;
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var dir = new List<Entry>();
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while (current_offset+4 < file.MaxOffset)
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using (var reader = LinkReader.Create (file, version))
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{
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uint size = file.View.ReadUInt32 (current_offset);
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if (0 == size)
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break;
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if (size < 0x10)
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var dir = reader.ReadIndex();
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if (null == dir)
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return null;
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bool is_compressed = file.View.ReadInt32 (current_offset+4) != 0;
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uint name_length = file.View.ReadByte (current_offset+0xD);
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var name = file.View.ReadString (current_offset+0x10, name_length);
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current_offset += 0x10 + name_length;
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var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
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entry.Offset = current_offset;
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entry.Size = size - (0x10 + name_length);
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entry.IsPacked = is_compressed && file.View.AsciiEqual (current_offset, "BMR");
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dir.Add (entry);
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current_offset += entry.Size;
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if (reader.HasEncrypted)
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{
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var enc = reader.GetEncryption();
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if (enc != null)
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return new LinkArchive (file, this, dir, enc);
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}
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return new ArcFile (file, this, dir);
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}
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return new ArcFile (file, this, dir);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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var pent = entry as PackedEntry;
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if (null == pent || !pent.IsPacked)
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var lent = entry as LinkEntry;
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if (null == lent || (!lent.IsPacked && !lent.IsEncrypted))
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return base.OpenEntry (arc, entry);
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if (lent.IsEncrypted)
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{
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var larc = arc as LinkArchive;
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if (null == larc)
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return base.OpenEntry (arc, entry);
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return larc.Encryption.DecryptEntry (larc, lent);
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}
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using (var input = arc.File.CreateStream (entry.Offset, entry.Size))
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using (var bmr = new BmrDecoder (input))
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{
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@ -87,6 +104,164 @@ namespace GameRes.Formats.Kaguya
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}
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}
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internal class LinkReader : IDisposable
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{
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IBinaryStream m_input;
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readonly long m_max_offset;
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bool m_has_encrypted;
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protected LinkReader (ArcView file)
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{
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m_input = file.CreateStream();
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m_max_offset = file.MaxOffset;
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m_has_encrypted = false;
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}
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public IBinaryStream Input { get { return m_input; } }
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public bool HasEncrypted { get { return m_has_encrypted; } }
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public static LinkReader Create (ArcView file, int version)
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{
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if (version < 4)
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return new LinkReader (file);
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else if (version < 6)
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return new Link4Reader (file);
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else
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return new Link6Reader (file);
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}
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protected virtual long GetDataOffset ()
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{
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return 8;
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}
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protected virtual string ReadName ()
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{
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int name_length = m_input.ReadUInt8();
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Skip (2);
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return m_input.ReadCString (name_length);
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}
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public List<Entry> ReadIndex ()
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{
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m_input.Position = GetDataOffset();
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var header = new byte[4];
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var dir = new List<Entry>();
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while (m_input.Position + 4 < m_max_offset)
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{
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long base_offset = m_input.Position;
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uint size = m_input.ReadUInt32();
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if (0 == size)
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break;
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if (size < 0x10)
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return null;
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int flags = m_input.ReadUInt16 ();
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bool is_compressed = (flags & 3) != 0;
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Skip (7);
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var name = ReadName();
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if (string.IsNullOrEmpty (name))
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return null;
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var entry = FormatCatalog.Instance.Create<LinkEntry> (name);
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entry.Offset = m_input.Position;
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entry.Size = size - (uint)(entry.Offset - base_offset);
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if (is_compressed)
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{
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m_input.Read (header, 0, 4);
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if (header.AsciiEqual ("BMR"))
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{
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entry.IsPacked = true;
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entry.UnpackedSize = m_input.ReadUInt32();
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}
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}
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entry.IsEncrypted = (flags & 4) != 0;
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m_has_encrypted = m_has_encrypted || entry.IsEncrypted;
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dir.Add (entry);
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m_input.Position = entry.Offset + entry.Size;
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}
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return dir;
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}
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public virtual LinkEncryption GetEncryption ()
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{
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var params_dir = VFS.GetDirectoryName (m_input.Name);
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var params_dat = VFS.CombinePath (params_dir, "params.dat");
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if (!VFS.FileExists (params_dat))
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return null;
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using (var input = VFS.OpenBinaryStream (params_dat))
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{
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var param = ParamsDeserializer.Create (input);
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var key = param.GetKey();
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if (null == key)
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return null;
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return new LinkEncryption (key);
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}
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}
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protected void Skip (int amount)
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{
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m_input.Seek (amount, SeekOrigin.Current);
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}
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#region IDisposable Members
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public void Dispose ()
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{
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Dispose (true);
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GC.SuppressFinalize (this);
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}
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bool _disposed = false;
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protected virtual void Dispose (bool disposing)
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{
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if (!_disposed)
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{
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if (disposing)
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m_input.Dispose();
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_disposed = true;
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}
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}
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#endregion
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}
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internal class Link4Reader : LinkReader
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{
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public Link4Reader (ArcView file) : base (file)
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{
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}
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protected override long GetDataOffset ()
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{
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return 0xA;
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}
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}
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internal class Link6Reader : LinkReader
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{
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public Link6Reader (ArcView file) : base (file)
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{
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}
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protected override long GetDataOffset ()
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{
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Input.Position = 7;
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return 8 + Input.ReadUInt8();
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}
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byte[] name_buffer = new byte[0x100];
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protected override string ReadName ()
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{
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int name_length = Input.ReadUInt16();
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if (name_length > 0x400)
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throw new InvalidFormatException();
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if (name_length > name_buffer.Length)
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name_buffer = new byte[name_length];
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Input.Read (name_buffer, 0, name_length);
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return Encoding.Unicode.GetString (name_buffer, 0, name_length);
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}
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}
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internal class BmrDecoder : IDisposable
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{
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byte[] m_output;
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@ -112,39 +287,39 @@ namespace GameRes.Formats.Kaguya
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{
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m_input.Input.Position = 0x14;
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UnpackHuffman();
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DescrambleOutput();
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UndoMoveToFront();
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m_output = Decode (m_output, m_key);
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if (m_step != 0)
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m_output = DecompressRLE();
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m_output = DecompressRLE (m_output);
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}
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byte[] DecompressRLE ()
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byte[] DecompressRLE (byte[] input)
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{
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var result = new byte[m_final_size];
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int src = 0;
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for (int i = 0; i < m_step; ++i)
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{
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byte v1 = m_output[src++];
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byte v1 = input[src++];
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result[i] = v1;
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int dst = i + m_step;
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while (dst < result.Length)
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{
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byte v2 = m_output[src++];
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byte v2 = input[src++];
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result[dst] = v2;
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dst += m_step;
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if (v2 == v1)
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{
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int count = m_output[src++];
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int count = input[src++];
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if (0 != (count & 0x80))
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count = m_output[src++] + ((count & 0x7F) << 8) + 128;
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while (count --> 0)
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count = input[src++] + ((count & 0x7F) << 8) + 128;
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while (count --> 0 && dst < result.Length)
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{
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result[dst] = v2;
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dst += m_step;
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}
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if (dst < m_output.Length)
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if (dst < result.Length)
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{
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v2 = m_output[src++];
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v2 = input[src++];
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result[dst] = v2;
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dst += m_step;
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}
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@ -156,20 +331,20 @@ namespace GameRes.Formats.Kaguya
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}
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void DescrambleOutput ()
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void UndoMoveToFront ()
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{
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var scramble = new byte[256];
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var dict = new byte[256];
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for (int i = 0; i < 256; ++i)
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scramble[i] = (byte)i;
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dict[i] = (byte)i;
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for (int i = 0; i < m_output.Length; ++i)
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{
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byte v = m_output[i];
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m_output[i] = scramble[v];
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m_output[i] = dict[v];
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for (int j = v; j > 0; --j)
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{
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scramble[j] = scramble[j-1];
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dict[j] = dict[j-1];
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}
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scramble[0] = m_output[i];
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dict[0] = m_output[i];
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}
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}
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@ -188,8 +363,7 @@ namespace GameRes.Formats.Kaguya
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for (int i = input.Length-1; i >= 0; --i)
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{
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int v = input[i];
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int freq = freq_table[v] - 1;
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freq_table[v] = freq;
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int freq = --freq_table[v];
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distrib_table[freq] = i;
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}
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int pos = key;
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@ -251,4 +425,240 @@ namespace GameRes.Formats.Kaguya
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}
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#endregion
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}
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internal class ParamsDeserializer
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{
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protected IBinaryStream m_input;
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protected string m_title;
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protected ParamsDeserializer (IBinaryStream input)
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{
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m_input = input;
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}
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public static ParamsDeserializer Create (IBinaryStream input)
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{
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var header = input.ReadHeader (0x11);
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if (!header.AsciiEqual ("[SCR-PARAMS]"))
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return null;
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if (header.AsciiEqual (12, "v02"))
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return new ParamsDeserializer (input);
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else if (header.AsciiEqual (12, "v05.6"))
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return new ParamsV5Deserializer (input);
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return null;
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}
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public virtual byte[] GetKey ()
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{
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// 毎日がＭ！
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m_input.Position = 0x17;
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SkipChunk();
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m_title = ReadString();
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m_input.ReadCString();
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SkipString();
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SkipString();
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m_input.ReadByte();
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SkipString();
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SkipString();
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SkipDict();
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m_input.ReadByte();
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int count = m_input.ReadUInt8();
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for (int i = 0; i < count; ++i)
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{
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m_input.ReadByte();
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SkipChunk();
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for (int j = 0; j < 2; ++j)
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{
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int n = m_input.ReadUInt8();
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for (int k = 0; k < n; ++k)
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SkipChunk();
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}
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}
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SkipDict();
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count = m_input.ReadUInt8();
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for (int i = 0; i < count; ++i)
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{
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SkipChunk();
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for (int j = 0; j < 2; ++j)
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{
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int n = m_input.ReadUInt8();
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for (int k = 0; k < n; ++k)
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SkipChunk();
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}
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}
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return ReadKey();
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}
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protected byte[] ReadKey ()
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{
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int key_length = m_input.ReadInt32();
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return m_input.ReadBytes (key_length);
|
||||
}
|
||||
|
||||
protected virtual string ReadString ()
|
||||
{
|
||||
int length = m_input.ReadUInt8();
|
||||
return m_input.ReadCString (length);
|
||||
}
|
||||
|
||||
protected virtual void SkipString ()
|
||||
{
|
||||
SkipChunk();
|
||||
}
|
||||
|
||||
protected void Skip (int amount)
|
||||
{
|
||||
m_input.Seek (amount, SeekOrigin.Current);
|
||||
}
|
||||
|
||||
protected void SkipChunk ()
|
||||
{
|
||||
Skip (m_input.ReadUInt8());
|
||||
}
|
||||
|
||||
protected void SkipDict ()
|
||||
{
|
||||
int count = m_input.ReadUInt8();
|
||||
for (int i = 0; i < count; ++i)
|
||||
{
|
||||
SkipString();
|
||||
SkipString();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
internal class ParamsV5Deserializer : ParamsDeserializer
|
||||
{
|
||||
public ParamsV5Deserializer (IBinaryStream input) : base (input)
|
||||
{
|
||||
}
|
||||
|
||||
public override byte[] GetKey ()
|
||||
{
|
||||
// ハラミタマ
|
||||
m_input.Position = 0x1B;
|
||||
SkipChunk();
|
||||
m_title = ReadString();
|
||||
SkipString();
|
||||
SkipString();
|
||||
m_input.ReadByte();
|
||||
SkipString();
|
||||
SkipString();
|
||||
SkipDict();
|
||||
|
||||
Skip (0x11);
|
||||
for (int i = 0; i < 3; ++i)
|
||||
{
|
||||
if (0 != m_input.ReadUInt8())
|
||||
SkipTree();
|
||||
}
|
||||
Skip (m_input.ReadInt32() * 0xC);
|
||||
return ReadKey();
|
||||
}
|
||||
|
||||
protected override void SkipString ()
|
||||
{
|
||||
int length = m_input.ReadUInt16();
|
||||
Skip (length);
|
||||
}
|
||||
|
||||
byte[] name_buffer = new byte[0x100];
|
||||
|
||||
protected override string ReadString ()
|
||||
{
|
||||
int length = m_input.ReadUInt16();
|
||||
if (length > name_buffer.Length)
|
||||
name_buffer = new byte[length];
|
||||
m_input.Read (name_buffer, 0, length);
|
||||
return Encoding.Unicode.GetString (name_buffer, 0, length);
|
||||
}
|
||||
|
||||
protected void SkipTree ()
|
||||
{
|
||||
SkipString();
|
||||
int count = m_input.ReadInt32();
|
||||
while (count --> 0)
|
||||
{
|
||||
SkipString();
|
||||
SkipString();
|
||||
}
|
||||
count = m_input.ReadInt32();
|
||||
while (count --> 0)
|
||||
SkipTree();
|
||||
}
|
||||
}
|
||||
|
||||
internal class LinkEncryption
|
||||
{
|
||||
byte[] m_key;
|
||||
Tuple<string, Decryptor>[] m_type_table;
|
||||
|
||||
delegate Stream Decryptor (LinkArchive arc, LinkEntry entry);
|
||||
|
||||
public LinkEncryption (byte[] key)
|
||||
{
|
||||
if (null == key || 0 == key.Length)
|
||||
throw new ArgumentException ("Invalid encryption key");
|
||||
m_key = key;
|
||||
m_type_table = new []
|
||||
{
|
||||
new Tuple<string, Decryptor> ("BM", (a, e) => DecryptImage (a, e, 0x36)),
|
||||
new Tuple<string, Decryptor> ("AP-2", (a, e) => DecryptImage (a, e, 0x18)),
|
||||
new Tuple<string, Decryptor> ("AP-3", (a, e) => DecryptImage (a, e, 0x18)),
|
||||
new Tuple<string, Decryptor> ("AP", (a, e) => DecryptImage (a, e, 0xC)),
|
||||
new Tuple<string, Decryptor> ("AN00", (a, e) => DecryptAn00 (a, e)),
|
||||
};
|
||||
}
|
||||
|
||||
public Stream DecryptEntry (LinkArchive arc, LinkEntry entry)
|
||||
{
|
||||
var header = arc.File.View.ReadBytes (entry.Offset, 4);
|
||||
foreach (var type in m_type_table)
|
||||
{
|
||||
if (header.AsciiEqual (type.Item1))
|
||||
return type.Item2 (arc, entry);
|
||||
}
|
||||
return arc.File.CreateStream (entry.Offset, entry.Size);
|
||||
}
|
||||
|
||||
Stream DecryptImage (LinkArchive arc, LinkEntry entry, uint data_offset)
|
||||
{
|
||||
var header = arc.File.View.ReadBytes (entry.Offset, data_offset);
|
||||
Stream body = arc.File.CreateStream (entry.Offset+data_offset, entry.Size-data_offset);
|
||||
body = new ByteStringEncryptedStream (body, m_key);
|
||||
return new PrefixStream (header, body);
|
||||
}
|
||||
|
||||
Stream DecryptAn00 (LinkArchive arc, LinkEntry entry)
|
||||
{
|
||||
var data = arc.File.View.ReadBytes (entry.Offset, entry.Size);
|
||||
int frame_offset = 0x18 + data.ToUInt16 (0x14) * 4;
|
||||
int count = data.ToUInt16 (frame_offset);
|
||||
frame_offset += 10;
|
||||
for (int i = 0; i < count; ++i)
|
||||
{
|
||||
int w = data.ToInt32 (frame_offset);
|
||||
int h = data.ToInt32 (frame_offset+4);
|
||||
int size = 4 * w * h;
|
||||
frame_offset += 8;
|
||||
DecryptData (data, frame_offset, size);
|
||||
frame_offset += size + 8;
|
||||
}
|
||||
return new BinMemoryStream (data, entry.Name);
|
||||
}
|
||||
|
||||
void DecryptData (byte[] data, int index, int length)
|
||||
{
|
||||
while (length > 0)
|
||||
{
|
||||
int count = Math.Min (length, m_key.Length);
|
||||
for (int i = 0; i < count; ++i)
|
||||
{
|
||||
data[index++] ^= m_key[i];
|
||||
}
|
||||
length -= count;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
@ -111,6 +111,47 @@ namespace GameRes.Formats.Kaguya
|
||||
}
|
||||
}
|
||||
|
||||
[Export(typeof(ImageFormat))]
|
||||
public class Ap0Format : ImageFormat
|
||||
{
|
||||
public override string Tag { get { return "AP-0"; } }
|
||||
public override string Description { get { return "KaGuYa script engine image format"; } }
|
||||
public override uint Signature { get { return 0x302D5041; } } // 'AP-0'
|
||||
|
||||
public Ap0Format ()
|
||||
{
|
||||
Extensions = new string[] { "alp" };
|
||||
}
|
||||
|
||||
public override ImageMetaData ReadMetaData (IBinaryStream stream)
|
||||
{
|
||||
var header = stream.ReadHeader (12);
|
||||
var info = new ImageMetaData
|
||||
{
|
||||
Width = header.ToUInt32 (4),
|
||||
Height = header.ToUInt32 (8),
|
||||
BPP = 8,
|
||||
};
|
||||
if (info.Width > 0x8000 || info.Height > 0x8000)
|
||||
return null;
|
||||
return info;
|
||||
}
|
||||
|
||||
public override ImageData Read (IBinaryStream stream, ImageMetaData info)
|
||||
{
|
||||
stream.Position = 0xC;
|
||||
var pixels = new byte[info.Width*info.Height];
|
||||
if (pixels.Length != stream.Read (pixels, 0, pixels.Length))
|
||||
throw new EndOfStreamException();
|
||||
return ImageData.CreateFlipped (info, PixelFormats.Gray8, null, pixels, (int)info.Width);
|
||||
}
|
||||
|
||||
public override void Write (Stream file, ImageData image)
|
||||
{
|
||||
throw new System.NotImplementedException ("Ap0Format.Write not implemented");
|
||||
}
|
||||
}
|
||||
|
||||
[Export(typeof(ImageFormat))]
|
||||
public class Ap2Format : ImageFormat
|
||||
{
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user