mirror of
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implemented encrypted AZ system archives and TYP1 images.
This commit is contained in:
morkt
parent
04aa35e638
commit
a1a9a17703
348
ArcFormats/AZSys/ArcEncrypted.cs
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348
ArcFormats/AZSys/ArcEncrypted.cs
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@ -0,0 +1,348 @@
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//! \file ArcEncrypted.cs
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//! \date Thu Jan 14 03:27:52 2016
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//! \brief Encrypted AZ system resource archives.
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//
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// Copyright (C) 2016 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using GameRes.Compression;
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using GameRes.Utility;
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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.Linq;
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namespace GameRes.Formats.AZSys
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{
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[Serializable]
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public class EncryptionScheme
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{
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public readonly uint IndexKey;
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public readonly uint? ContentKey;
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public static readonly uint[] DefaultSeed = { 0x2F4D7DFE, 0x47345292, 0x1BA5FE82, 0x7BC04525 };
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public EncryptionScheme (uint ikey, uint ckey)
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{
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IndexKey = ikey;
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ContentKey = ckey;
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}
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public EncryptionScheme (uint[] iseed)
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{
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IndexKey = GenerateKey (iseed);
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ContentKey = null;
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}
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public EncryptionScheme (uint[] iseed, byte[] cseed)
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{
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IndexKey = GenerateKey (iseed);
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ContentKey = GenerateContentKey (cseed);
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}
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public static uint GenerateKey (uint[] seed)
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{
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if (null == seed)
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throw new ArgumentNullException ("seed");
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if (seed.Length < 4)
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throw new ArgumentException();
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byte[] seed_bytes = new byte[0x10];
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Buffer.BlockCopy (seed, 0, seed_bytes, 0, 0x10);
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uint key = Crc32.UpdateCrc (~seed[0], seed_bytes, 0, seed_bytes.Length)
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^ Crc32.UpdateCrc (~(seed[1] & 0xFFFF), seed_bytes, 0, seed_bytes.Length)
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^ Crc32.UpdateCrc (~(seed[1] >> 16), seed_bytes, 0, seed_bytes.Length)
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^ Crc32.UpdateCrc (~seed[2], seed_bytes, 0, seed_bytes.Length)
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^ Crc32.UpdateCrc (~seed[3], seed_bytes, 0, seed_bytes.Length);
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return seed[0] ^ ~key;
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}
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public static uint GenerateContentKey (byte[] env_bytes)
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{
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if (null == env_bytes)
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throw new ArgumentNullException ("env_bytes");
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if (env_bytes.Length < 0x10)
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throw new ArgumentException();
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uint crc = Crc32.Compute (env_bytes, 0, 0x10);
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var sfmt = new FastMersenneTwister (crc);
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var seed = new uint[4];
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seed[0] = sfmt.GetRand32();
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seed[1] = sfmt.GetRand32() & 0xFFFF;
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seed[1] |= sfmt.GetRand32() << 16;
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seed[2] = sfmt.GetRand32();
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seed[3] = sfmt.GetRand32();
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return GenerateKey (seed);
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}
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}
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[Serializable]
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public class AzScheme : ResourceScheme
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{
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public Dictionary<string, EncryptionScheme> KnownSchemes;
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}
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internal class AzArchive : ArcFile
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{
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public readonly uint SysenvKey;
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public readonly uint RegularKey;
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public AzArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, uint syskey, uint regkey)
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: base (arc, impl, dir)
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{
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SysenvKey = syskey;
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RegularKey = regkey;
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class ArcEncryptedOpener : ArchiveFormat
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{
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public override string Tag { get { return "ARC/AZ/encrypted"; } }
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public override string Description { get { return "AZ system encrypted resource archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanCreate { get { return false; } }
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public static Dictionary<string, EncryptionScheme> KnownSchemes = new Dictionary<string, EncryptionScheme>
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{
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{ "Default", new EncryptionScheme (EncryptionScheme.DefaultSeed) },
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};
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public override ResourceScheme Scheme
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{
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get { return new AzScheme { KnownSchemes = KnownSchemes }; }
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set { KnownSchemes = ((AzScheme)value).KnownSchemes; }
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}
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public ArcEncryptedOpener ()
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{
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Extensions = new string[] { "arc" };
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Signatures = new uint[] { 0x53EA06EB, 0x74F98F2F };
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}
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EncryptionScheme CurrentScheme;
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public override ArcFile TryOpen (ArcView file)
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{
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byte[] header_encrypted = file.View.ReadBytes (0, 0x30);
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if (header_encrypted.Length < 0x30)
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return null;
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byte[] header = new byte[header_encrypted.Length];
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if (CurrentScheme != null)
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{
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try
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{
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Buffer.BlockCopy (header_encrypted, 0, header, 0, header.Length);
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Decrypt (header, 0, CurrentScheme.IndexKey);
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if (Binary.AsciiEqual (header, 0, "ARC\0"))
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{
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var arc = ReadIndex (file, header, CurrentScheme);
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if (null != arc)
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return arc;
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}
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}
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catch { /* ignore parse errors */ }
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}
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foreach (var scheme in KnownSchemes.Values)
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{
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Buffer.BlockCopy (header_encrypted, 0, header, 0, header.Length);
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Decrypt (header, 0, scheme.IndexKey);
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if (Binary.AsciiEqual (header, 0, "ARC\0"))
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{
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var arc = ReadIndex (file, header, scheme);
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if (null != arc)
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CurrentScheme = new EncryptionScheme (arc.SysenvKey, arc.RegularKey);
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return arc;
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}
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}
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return null;
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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 azarc = arc as AzArchive;
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if (null == azarc)
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return base.OpenEntry (arc, entry);
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var data = arc.File.View.ReadBytes (entry.Offset, entry.Size);
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if (entry.Name.Equals ("sysenv.tbl", StringComparison.InvariantCultureIgnoreCase))
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{
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Decrypt (data, entry.Offset, azarc.SysenvKey);
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return UnpackData (data);
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}
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Decrypt (data, entry.Offset, azarc.RegularKey);
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if (data.Length > 0x14 && Binary.AsciiEqual (data, 0, "ASB\0"))
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{
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return OpenAsb (data);
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}
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return new MemoryStream (data);
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}
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Stream OpenAsb (byte[] data)
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{
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int packed_size = LittleEndian.ToInt32 (data, 4);
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if (packed_size <= 4 || packed_size > data.Length-0x10)
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return new MemoryStream (data);
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uint unpacked_size = LittleEndian.ToUInt32 (data, 8);
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uint key = unpacked_size ^ 0x9E370001;
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unsafe
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{
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fixed (byte* raw = &data[0x10])
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{
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uint* data32 = (uint*)raw;
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for (int i = packed_size/4; i > 0; --i)
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*data32++ -= key;
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}
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}
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var asb = UnpackData (data, 0x10);
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var header = new byte[0x10];
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Buffer.BlockCopy (data, 0, header, 0, 0x10);
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return new PrefixStream (header, asb);
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}
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byte[] ReadSysenvSeed (ArcView file, Entry entry, uint key)
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{
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var data = file.View.ReadBytes (entry.Offset, entry.Size);
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if (data.Length <= 4)
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throw new InvalidFormatException ("Invalid sysenv.tbl size");
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Decrypt (data, entry.Offset, key);
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uint adler32 = LittleEndian.ToUInt32 (data, 0);
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if (adler32 != Adler32.Compute (data, 4, data.Length-4))
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throw new InvalidEncryptionScheme();
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using (var input = new MemoryStream (data, 4, data.Length-4))
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using (var sysenv_stream = new ZLibStream (input, CompressionMode.Decompress))
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{
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var seed = new byte[0x10];
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if (0x10 != sysenv_stream.Read (seed, 0, 0x10))
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throw new InvalidFormatException ("Invalid sysenv.tbl size");
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return seed;
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}
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}
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Stream UnpackData (byte[] data, int index = 0)
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{
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int length = data.Length - index;
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if (length <= 4)
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return new MemoryStream (data, index, length);
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uint adler32 = LittleEndian.ToUInt32 (data, index);
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if (adler32 != Adler32.Compute (data, index+4, length-4))
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return new MemoryStream (data, index, length);
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var input = new MemoryStream (data, index+4, length-4);
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return new ZLibStream (input, CompressionMode.Decompress);
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}
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AzArchive ReadIndex (ArcView file, byte[] header, EncryptionScheme scheme)
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{
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int ext_count = LittleEndian.ToInt32 (header, 4);
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int count = LittleEndian.ToInt32 (header, 8);
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uint index_length = LittleEndian.ToUInt32 (header, 12);
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if (ext_count < 1 || ext_count > 8 || !IsSaneCount (count) || index_length >= file.MaxOffset)
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return null;
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var packed_index = file.View.ReadBytes (header.Length, index_length);
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if (packed_index.Length != index_length)
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return null;
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Decrypt (packed_index, header.Length, scheme.IndexKey);
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uint checksum = LittleEndian.ToUInt32 (packed_index, 0);
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if (checksum != Adler32.Compute (packed_index, 4, packed_index.Length-4))
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{
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if (checksum != Crc32.Compute (packed_index, 4, packed_index.Length-4))
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throw new InvalidFormatException ("Index checksum mismatch");
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}
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uint base_offset = (uint)header.Length + index_length;
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using (var input = new MemoryStream (packed_index, 4, packed_index.Length-4))
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using (var zstream = new ZLibStream (input, CompressionMode.Decompress))
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using (var index = new BinaryReader (zstream))
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{
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var dir = new List<Entry> (count);
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var name_buffer = new byte[0x20];
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for (int i = 0; i < count; ++i)
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{
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uint offset = index.ReadUInt32();
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uint size = index.ReadUInt32();
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uint crc = index.ReadUInt32();
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index.ReadInt32();
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if (name_buffer.Length != index.Read (name_buffer, 0, name_buffer.Length))
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return null;
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var name = Binary.GetCString (name_buffer, 0, 0x20);
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if (0 == name.Length)
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return null;
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var entry = FormatCatalog.Instance.Create<Entry> (name);
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entry.Offset = base_offset + offset;
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entry.Size = size;
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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dir.Add (entry);
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}
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uint content_key = GetContentKey (file, dir, scheme);
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return new AzArchive (file, this, dir, scheme.IndexKey, content_key);
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}
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}
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static void Decrypt (byte[] data, long offset, uint key)
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{
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ulong hash = key * 0x9E370001ul;
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if (0 != (offset & 0x3F))
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{
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hash = Binary.RotL (hash, (int)offset);
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}
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for (uint i = 0; i < data.Length; ++i)
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{
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data[i] ^= (byte)hash;
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hash = Binary.RotL (hash, 1);
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}
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}
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uint GetContentKey (ArcView file, List<Entry> dir, EncryptionScheme scheme)
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{
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if (null != scheme.ContentKey)
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return scheme.ContentKey.Value;
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if ("system.arc".Equals (Path.GetFileName (file.Name), StringComparison.InvariantCultureIgnoreCase))
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{
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var sysenv = dir.FirstOrDefault (e => e.Name.Equals ("sysenv.tbl", StringComparison.InvariantCultureIgnoreCase));
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if (null != sysenv)
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{
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var seed = ReadSysenvSeed (file, sysenv, scheme.IndexKey);
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return EncryptionScheme.GenerateContentKey (seed);
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}
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}
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else
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{
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var system_arc = VFS.CombinePath (Path.GetDirectoryName (file.Name), "system.arc");
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using (var arc = VFS.OpenView (system_arc))
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{
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var header = arc.View.ReadBytes (0, 0x30);
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Decrypt (header, 0, scheme.IndexKey);
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using (var arc_file = ReadIndex (arc, header, scheme))
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{
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var sysenv = arc_file.Dir.FirstOrDefault (e => e.Name.Equals ("sysenv.tbl", StringComparison.InvariantCultureIgnoreCase));
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if (null != sysenv)
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{
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var seed = ReadSysenvSeed (arc, sysenv, scheme.IndexKey);
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return EncryptionScheme.GenerateContentKey (seed);
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}
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}
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}
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}
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return scheme.IndexKey;
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}
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}
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}
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208
ArcFormats/AZSys/FastMersenneTwister.cs
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208
ArcFormats/AZSys/FastMersenneTwister.cs
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/**
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* @brief SIMD oriented Fast Mersenne Twister(SFMT)
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*
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* @author Mutsuo Saito (Hiroshima University)
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* @author Makoto Matsumoto (Hiroshima University)
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*
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* C# port by morkt
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*
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* Copyright (C) 2006, 2007 Mutsuo Saito, Makoto Matsumoto and Hiroshima University.
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* Copyright (C) 2012 Mutsuo Saito, Makoto Matsumoto, Hiroshima University and The University of Tokyo.
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* Copyright (C) 2013 Mutsuo Saito, Makoto Matsumoto and Hiroshima University.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright
|
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
|
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* with the distribution.
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* * Neither the names of Hiroshima University, The University of
|
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* Tokyo nor the names of its contributors may be used to endorse
|
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* or promote products derived from this software without specific
|
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* prior written permission.
|
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
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namespace GameRes.Utility
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{
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public class FastMersenneTwister
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{
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const int MEXP = 19937;
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const int N = MEXP / 128 + 1;
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const int N32 = N * 4;
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const int POS1 = 122;
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const int SL1 = 18;
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const int SL2 = 1;
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const int SR1 = 11;
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const int SR2 = 1;
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const uint MSK1 = 0xdfffffefU;
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const uint MSK2 = 0xddfecb7fU;
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const uint MSK3 = 0xbffaffffU;
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const uint MSK4 = 0xbffffff6U;
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const uint PARITY1 = 0x00000001U;
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const uint PARITY2 = 0x00000000U;
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const uint PARITY3 = 0x00000000U;
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const uint PARITY4 = 0x13c9e684U;
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uint[,] m_state = new uint[N,4];
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int m_idx;
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public FastMersenneTwister (uint seed)
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{
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SRand (seed);
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}
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public void SRand (uint seed)
|
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{
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uint prev = m_state[0,0] = seed;
|
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for (int i = 1; i < N32; i++)
|
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{
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int p = i >> 2;
|
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int k = i & 3;
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prev = (uint)(1812433253UL * (prev ^ (prev >> 30)) + (uint)i);
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m_state[p,k] = prev;
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}
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m_idx = N32;
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period_certification();
|
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}
|
||||
|
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public uint GetRand32 ()
|
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{
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if (m_idx >= N32)
|
||||
{
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sfmt_gen_rand_all();
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m_idx = 0;
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}
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uint r = m_state[m_idx >> 2, m_idx & 3];
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m_idx++;
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return r;
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}
|
||||
|
||||
/// <summary>
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||||
/// This function fills the internal state array with pseudorandom integers.
|
||||
/// </summary>
|
||||
void sfmt_gen_rand_all ()
|
||||
{
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||||
int i;
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int r1 = N - 2;
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||||
int r2 = N - 1;
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for (i = 0; i < N - POS1; i++)
|
||||
{
|
||||
do_recursion (i, i, i + POS1, r1, r2);
|
||||
r1 = r2;
|
||||
r2 = i;
|
||||
}
|
||||
for (; i < N; i++)
|
||||
{
|
||||
do_recursion (i, i, i + POS1 - N, r1, r2);
|
||||
r1 = r2;
|
||||
r2 = i;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// This function represents the recursion formula.
|
||||
/// </summary>
|
||||
void do_recursion (int r, int a, int b, int c, int d)
|
||||
{
|
||||
var x = new uint[4];
|
||||
var y = new uint[4];
|
||||
lshift128 (x, a, SL2);
|
||||
rshift128 (y, c, SR2);
|
||||
m_state[r,0] = m_state[a,0] ^ x[0] ^ ((m_state[b,0] >> SR1) & MSK1)
|
||||
^ y[0] ^ (m_state[d,0] << SL1);
|
||||
m_state[r,1] = m_state[a,1] ^ x[1] ^ ((m_state[b,1] >> SR1) & MSK2)
|
||||
^ y[1] ^ (m_state[d,1] << SL1);
|
||||
m_state[r,2] = m_state[a,2] ^ x[2] ^ ((m_state[b,2] >> SR1) & MSK3)
|
||||
^ y[2] ^ (m_state[d,2] << SL1);
|
||||
m_state[r,3] = m_state[a,3] ^ x[3] ^ ((m_state[b,3] >> SR1) & MSK4)
|
||||
^ y[3] ^ (m_state[d,3] << SL1);
|
||||
}
|
||||
|
||||
static readonly uint[] s_parity = { PARITY1, PARITY2, PARITY3, PARITY4 };
|
||||
|
||||
/// <summary>
|
||||
/// This function certificate the period of 2^{MEXP}
|
||||
/// </summary>
|
||||
void period_certification ()
|
||||
{
|
||||
uint inner = 0;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 4; i++)
|
||||
inner ^= m_state[0,i] & s_parity[i];
|
||||
for (i = 16; i > 0; i >>= 1)
|
||||
inner ^= inner >> i;
|
||||
inner &= 1;
|
||||
/* check OK */
|
||||
if (inner == 1)
|
||||
return;
|
||||
|
||||
/* check NG, and modification */
|
||||
for (i = 0; i < 4; i++)
|
||||
{
|
||||
uint work = 1;
|
||||
for (int j = 0; j < 32; j++)
|
||||
{
|
||||
if ((work & s_parity[i]) != 0)
|
||||
{
|
||||
m_state[0,i] ^= work;
|
||||
return;
|
||||
}
|
||||
work = work << 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// This function simulates SIMD 128-bit left shift.
|
||||
/// The 128-bit integer referenced by idx is shifted by (shift * 8) bits.
|
||||
/// This function simulates the LITTLE ENDIAN SIMD.
|
||||
/// </summary>
|
||||
/// <param name="result">the output of this function</param>
|
||||
/// <param name="idx">index within state array of the 128-bit data to be shifted</param>
|
||||
/// <param name="shift">the shift value</param>
|
||||
void lshift128 (uint[] result, int idx, int shift)
|
||||
{
|
||||
ulong th = ((ulong)m_state[idx,3] << 32) | ((ulong)m_state[idx,2]);
|
||||
ulong tl = ((ulong)m_state[idx,1] << 32) | ((ulong)m_state[idx,0]);
|
||||
|
||||
ulong oh = th << (shift * 8);
|
||||
ulong ol = tl << (shift * 8);
|
||||
oh |= tl >> (64 - shift * 8);
|
||||
result[1] = (uint)(ol >> 32);
|
||||
result[0] = (uint)ol;
|
||||
result[3] = (uint)(oh >> 32);
|
||||
result[2] = (uint)oh;
|
||||
}
|
||||
|
||||
void rshift128 (uint[] result, int idx, int shift)
|
||||
{
|
||||
ulong th = ((ulong)m_state[idx,3] << 32) | ((ulong)m_state[idx,2]);
|
||||
ulong tl = ((ulong)m_state[idx,1] << 32) | ((ulong)m_state[idx,0]);
|
||||
|
||||
ulong oh = th >> (shift * 8);
|
||||
ulong ol = tl >> (shift * 8);
|
||||
ol |= th << (64 - shift * 8);
|
||||
result[1] = (uint)(ol >> 32);
|
||||
result[0] = (uint)ol;
|
||||
result[3] = (uint)(oh >> 32);
|
||||
result[2] = (uint)oh;
|
||||
}
|
||||
}
|
||||
}
|
||||
183
ArcFormats/AZSys/ImageTYP1.cs
Normal file
183
ArcFormats/AZSys/ImageTYP1.cs
Normal file
@ -0,0 +1,183 @@
|
||||
//! \file ImageTYP1.cs
|
||||
//! \date Thu Jan 14 18:45:18 2016
|
||||
//! \brief AZ system image format implementation.
|
||||
//
|
||||
// Copyright (C) 2016 by morkt
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to
|
||||
// deal in the Software without restriction, including without limitation the
|
||||
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
||||
// sell copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included in
|
||||
// all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
||||
// IN THE SOFTWARE.
|
||||
//
|
||||
|
||||
using System.ComponentModel.Composition;
|
||||
using System.IO;
|
||||
using System.Windows.Media;
|
||||
using System.Windows.Media.Imaging;
|
||||
using GameRes.Compression;
|
||||
|
||||
namespace GameRes.Formats.AZSys
|
||||
{
|
||||
internal class Typ1MetaData : CpbMetaData
|
||||
{
|
||||
public bool HasPalette;
|
||||
}
|
||||
|
||||
[Export(typeof(ImageFormat))]
|
||||
public class Typ1Format : ImageFormat
|
||||
{
|
||||
public override string Tag { get { return "CPB/TYP1"; } }
|
||||
public override string Description { get { return "AZ system image format"; } }
|
||||
public override uint Signature { get { return 0x31505954; } } // 'TYP1'
|
||||
|
||||
public Typ1Format ()
|
||||
{
|
||||
Extensions = new string[] { "cpb" };
|
||||
}
|
||||
|
||||
public override ImageMetaData ReadMetaData (Stream stream)
|
||||
{
|
||||
stream.Position = 4;
|
||||
int bpp = stream.ReadByte();
|
||||
bool has_palette = stream.ReadByte() != 0;
|
||||
using (var input = new ArcView.Reader (stream))
|
||||
{
|
||||
var info = new Typ1MetaData { BPP = bpp, HasPalette = has_palette };
|
||||
info.Width = input.ReadUInt16();
|
||||
info.Height = input.ReadUInt16();
|
||||
input.ReadInt32();
|
||||
info.Channel[0] = input.ReadUInt32();
|
||||
info.Channel[1] = input.ReadUInt32();
|
||||
info.Channel[2] = input.ReadUInt32();
|
||||
info.Channel[3] = input.ReadUInt32();
|
||||
return info;
|
||||
}
|
||||
}
|
||||
|
||||
public override ImageData Read (Stream stream, ImageMetaData info)
|
||||
{
|
||||
var meta = (Typ1MetaData)info;
|
||||
var reader = new Reader (stream, meta);
|
||||
reader.Unpack();
|
||||
return ImageData.Create (meta, reader.Format, reader.Palette, reader.Data);
|
||||
}
|
||||
|
||||
public override void Write (Stream file, ImageData image)
|
||||
{
|
||||
throw new System.NotImplementedException ("Typ1Format.Write not implemented");
|
||||
}
|
||||
|
||||
internal class Reader
|
||||
{
|
||||
int m_width;
|
||||
int m_height;
|
||||
int m_bpp;
|
||||
int m_pixel_size;
|
||||
Stream m_input;
|
||||
byte[] m_output;
|
||||
uint[] m_channel;
|
||||
|
||||
public PixelFormat Format { get; private set; }
|
||||
public BitmapPalette Palette { get; private set; }
|
||||
public byte[] Data { get { return m_output; } }
|
||||
|
||||
public Reader (Stream input, Typ1MetaData info)
|
||||
{
|
||||
m_width = (int)info.Width;
|
||||
m_height = (int)info.Height;
|
||||
m_bpp = info.BPP;
|
||||
m_pixel_size = 8 == m_bpp ? 1 : 4;
|
||||
m_channel = info.Channel;
|
||||
m_output = new byte[m_width * m_height * m_pixel_size];
|
||||
if (8 == m_bpp)
|
||||
Format = info.HasPalette ? PixelFormats.Indexed8 : PixelFormats.Gray8;
|
||||
else if (24 == m_bpp)
|
||||
Format = PixelFormats.Bgr32;
|
||||
else if (32 == m_bpp)
|
||||
Format = PixelFormats.Bgra32;
|
||||
else
|
||||
throw new InvalidFormatException ("Invalid CPB color depth");
|
||||
m_input = input;
|
||||
if (info.HasPalette)
|
||||
{
|
||||
m_input.Position = 0x1E;
|
||||
Palette = ReadPalette();
|
||||
}
|
||||
}
|
||||
|
||||
public BitmapPalette ReadPalette ()
|
||||
{
|
||||
var palette_data = new byte[0x400];
|
||||
if (0x400 != m_input.Read (palette_data, 0, 0x400))
|
||||
throw new InvalidFormatException();
|
||||
var palette = new Color[0x100];
|
||||
for (int i = 0; i < palette.Length; ++i)
|
||||
{
|
||||
int src = i * 4;
|
||||
byte b = palette_data[src++];
|
||||
byte g = palette_data[src++];
|
||||
byte r = palette_data[src++];
|
||||
palette[i] = Color.FromRgb (r, g, b);
|
||||
}
|
||||
return new BitmapPalette (palette);
|
||||
}
|
||||
|
||||
public void Unpack ()
|
||||
{
|
||||
if (8 == m_bpp)
|
||||
UnpackIndexed();
|
||||
else
|
||||
UnpackRGB();
|
||||
}
|
||||
|
||||
void UnpackIndexed ()
|
||||
{
|
||||
if (null == Palette)
|
||||
m_input.Position = 0x22;
|
||||
else
|
||||
m_input.Position = 0x422;
|
||||
using (var input = new ZLibStream (m_input, CompressionMode.Decompress, true))
|
||||
input.Read (m_output, 0, m_output.Length);
|
||||
}
|
||||
|
||||
static byte[] StreamMap = new byte[] { 3, 2, 1, 0 };
|
||||
static byte[] ChannelMap = new byte[] { 3, 0, 1, 2 };
|
||||
|
||||
void UnpackRGB ()
|
||||
{
|
||||
byte[] channel = new byte[m_width*m_height];
|
||||
long start_pos = 0x1E;
|
||||
for (int i = 0; i < 4; ++i)
|
||||
{
|
||||
if (0 == m_channel[StreamMap[i]])
|
||||
continue;
|
||||
m_input.Position = start_pos + 4; // skip crc32
|
||||
using (var input = new ZLibStream (m_input, CompressionMode.Decompress, true))
|
||||
{
|
||||
int channel_size = input.Read (channel, 0, channel.Length);
|
||||
int dst = ChannelMap[i];
|
||||
for (int j = 0; j < channel_size; ++j)
|
||||
{
|
||||
m_output[dst] = channel[j];
|
||||
dst += m_pixel_size;
|
||||
}
|
||||
}
|
||||
start_pos += m_channel[StreamMap[i]];
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -66,6 +66,9 @@
|
||||
<Compile Include="Amaterasu\ImageGRP.cs" />
|
||||
<Compile Include="AnimeGameSystem\ArcDAT.cs" />
|
||||
<Compile Include="AnimeGameSystem\AudioPCM.cs" />
|
||||
<Compile Include="AZSys\ArcEncrypted.cs" />
|
||||
<Compile Include="AZSys\FastMersenneTwister.cs" />
|
||||
<Compile Include="AZSys\ImageTYP1.cs" />
|
||||
<Compile Include="BlueGale\ArcSNN.cs" />
|
||||
<Compile Include="BlueGale\ImageZBM.cs" />
|
||||
<Compile Include="Cmvs\ArcCPZ.cs" />
|
||||
@ -98,6 +101,8 @@
|
||||
<Compile Include="Propeller\ImageMGR.cs" />
|
||||
<Compile Include="Silky\ArcAi6Win.cs" />
|
||||
<Compile Include="Silky\ImageAKB.cs" />
|
||||
<Compile Include="Softpal\ArcVAFS.cs" />
|
||||
<Compile Include="Softpal\ImageBPIC.cs" />
|
||||
<Compile Include="StudioEgo\ArcPAK0.cs" />
|
||||
<Compile Include="StudioEgo\ImageANT.cs" />
|
||||
<Compile Include="TechnoBrain\ImageIPH.cs" />
|
||||
|
||||
@ -303,10 +303,11 @@ Sakura Synchronicity<br/>
|
||||
Shinsetsu Ryouki no Ori Dai 2 Shou<br/>
|
||||
</td></tr>
|
||||
<tr class="odd"><td>*.elg</td><td><tt>ELG</tt></td><td>No</td></tr>
|
||||
<tr><td>*.arc</td><td><tt>ARC\x1a</tt></td><td>No</td><td rowspan="2">AZ System</td><td rowspan="2">
|
||||
<tr><td>*.arc</td><td><tt>ARC\x1a</tt><br><tt>ARC</tt></td><td>No</td><td rowspan="2">AZ System</td><td rowspan="2">
|
||||
Triptych<br/>
|
||||
Tsurugi Otome Noah<br/>
|
||||
</td></tr>
|
||||
<tr><td>*.cpb</td><td><tt>CPB\x1a</tt></td><td>No</td></tr>
|
||||
<tr><td>*.cpb</td><td><tt>CPB\x1a</tt><br><tt>TYP1</tt></td><td>No</td></tr>
|
||||
<tr class="odd"><td>*.mfg<br/>*.mfm<br/>*.mfs</td><td><tt>ALPF</tt></td><td>No</td><td rowspan="2">Silky's</td><td rowspan="2">Jokei Kazoku</td></tr>
|
||||
<tr class="odd"><td>*</td><td><tt>MFG_</tt><br/><tt>MFGA</tt><br/><tt>MFGC</tt></td><td>No</td></tr>
|
||||
<tr><td>*.pmp<br/>*.pmw</td><td>-</td><td>Yes</td><td>ScenePlayer</td><td>Nyuujoku Hitozuma Jogakuen</td></tr>
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user