mirror of
https://github.com/crskycode/GARbro.git
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implemented AXR archives and ZAW images.
This commit is contained in:
morkt
parent
91ddccf8d6
commit
cc22f988c6
@ -327,6 +327,8 @@
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<Compile Include="BlackCyc\ArcVPK.cs" />
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<Compile Include="Vitamin\ImageMFC.cs" />
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<Compile Include="Vitamin\ImageSBI.cs" />
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<Compile Include="VnEngine\ArcAXR.cs" />
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<Compile Include="VnEngine\ImageZAW.cs" />
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<Compile Include="WebP\Alpha.cs" />
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<Compile Include="WebP\Decoder.cs">
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<SubType>Code</SubType>
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179
ArcFormats/VnEngine/ArcAXR.cs
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179
ArcFormats/VnEngine/ArcAXR.cs
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@ -0,0 +1,179 @@
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//! \file ArcAXR.cs
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//! \date Fri Jul 01 13:43:07 2016
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//! \brief GEM/vnengine resource archive.
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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 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 GameRes.Utility;
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namespace GameRes.Formats.VnEngine
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{
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internal class AxrArchive : ArcFile
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{
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public readonly byte[] KeyTable = new byte[0x400];
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public AxrArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, uint key)
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: base (arc, impl, dir)
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{
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AxrOpener.Decrypt (KeyTable, key, 0x400);
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class AxrOpener : ArchiveFormat
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{
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public override string Tag { get { return "AXR"; } }
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public override string Description { get { return "GEM/vnengine resource archive"; } }
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public override uint Signature { get { return 0x65525841; } } // 'AXRe'
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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 override ArcFile TryOpen (ArcView file)
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{
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var header = file.View.ReadBytes (0, 0x10);
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byte checksum = header[4];
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for (int i = 1; i < 8; ++i)
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{
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checksum ^= Binary.RotByteR (header[4+i], i);
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}
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uint t = MutateKey (MutateKey (LittleEndian.ToUInt32 (header, 8) ^ LittleEndian.ToUInt32 (header, 0)));
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uint key = LittleEndian.ToUInt32 (header, 4);
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uint index_size = t ^ key;
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uint stored_checksum = LittleEndian.ToUInt32 (header, 12) ^ MutateKey (t);
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if (index_size < 8 || checksum != stored_checksum)
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return null;
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var index = new byte[(index_size + 4) & ~3u];
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if (index_size != file.View.Read (0x10, index, 0, index_size))
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return null;
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Decrypt (index, index_size, index.Length);
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index[index_size] = 0;
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var dir = new List<Entry>();
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int current_offset = 0;
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while (current_offset+8 < (int)index_size)
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{
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uint offset = LittleEndian.ToUInt32 (index, current_offset);
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uint size = LittleEndian.ToUInt32 (index, current_offset+4);
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current_offset += 8;
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int name_end = Array.IndexOf<byte> (index, 0, current_offset);
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int name_length = name_end - current_offset;
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if (0 == name_length)
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break;
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var name = Encodings.cp932.GetString (index, current_offset, name_length);
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var entry = FormatCatalog.Instance.Create<Entry> (name);
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entry.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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current_offset += (name_length + 4) & -4;
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}
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if (0 == dir.Count)
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return null;
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return new AxrArchive (file, this, dir, key);
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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 input = arc.File.CreateStream (entry.Offset, entry.Size);
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var axr = arc as AxrArchive;
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if (null == axr)
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return input;
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return new AxrEncryptedStream (input, axr.KeyTable);
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}
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static uint MutateKey (uint key)
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{
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key ^= (key & 0xFFF) << 17;
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return ~(key ^ (key << 18 | key >> 15));
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}
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internal static void Decrypt (byte[] data, uint key, int count)
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{
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if (count > data.Length)
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throw new ArgumentException ("count");
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count /= 4;
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if (0 == count)
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return;
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unsafe
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{
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fixed (byte* data8 = data)
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{
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uint* data32 = (uint*)data8;
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for (int i = 0; i < count; ++i)
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{
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key = MutateKey (key);
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uint v = *data32 ^ key;
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*data32++ = v;
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key += v;
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}
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}
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}
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}
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}
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internal class AxrEncryptedStream : ProxyStream
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{
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byte[] m_key;
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public AxrEncryptedStream (Stream input, byte[] key, bool leave_open = false)
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: base (input, leave_open)
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{
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m_key = key;
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}
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public override bool CanWrite { get { return false; } }
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public override int Read (byte[] buffer, int offset, int count)
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{
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int start = (int)Position;
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int read = BaseStream.Read (buffer, offset, count);
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for (int i = 0; i < read; ++i)
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{
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buffer[offset+i] ^= m_key[start++ & 0x3FF];
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}
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return read;
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}
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public override int ReadByte ()
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{
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int start = (int)Position & 0x3FF;
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int b = BaseStream.ReadByte();
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if (-1 != b)
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b ^= m_key[start];
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return b;
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}
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public override void Write (byte[] buffer, int offset, int count)
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{
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throw new NotSupportedException ("AxrEncryptedStream.Write method is not supported");
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}
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public override void WriteByte (byte value)
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{
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throw new NotSupportedException ("AxrEncryptedStream.WriteByte method is not supported");
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}
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}
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}
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105
ArcFormats/VnEngine/ImageZAW.cs
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105
ArcFormats/VnEngine/ImageZAW.cs
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@ -0,0 +1,105 @@
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//! \file ImageZAW.cs
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//! \date Fri Jul 01 18:22:28 2016
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//! \brief GEM/vnengine image format.
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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 System.ComponentModel.Composition;
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using System.IO;
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using System.Windows.Media;
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using GameRes.Compression;
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using GameRes.Utility;
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namespace GameRes.Formats.VnEngine
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{
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[Export(typeof(ImageFormat))]
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public class ZawFormat : ImageFormat
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{
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public override string Tag { get { return "ZAW"; } }
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public override string Description { get { return "GEM/vnengine image format"; } }
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public override uint Signature { get { return 0x57415A; } } // 'ZAW'
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public override ImageMetaData ReadMetaData (Stream stream)
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{
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var header = new byte[0x40];
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if (header.Length != stream.Read (header, 0, header.Length))
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return null;
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uint crc = LittleEndian.ToUInt32 (header, 4);
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LittleEndian.Pack (0u, header, 4);
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if (crc != Crc32.Compute (header, 0, header.Length))
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return null;
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int bpp = 3 == header[12] ? 32
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: 2 == header[12] ? 16
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: 1 == header[12] ? 24 : 8;
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return new ImageMetaData
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{
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Width = LittleEndian.ToUInt32 (header, 0x10),
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Height = LittleEndian.ToUInt32 (header, 0x14),
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OffsetX = LittleEndian.ToInt32 (header, 0x18),
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OffsetY = LittleEndian.ToInt32 (header, 0x1C),
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BPP = bpp,
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};
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}
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public override ImageData Read (Stream stream, ImageMetaData info)
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{
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int pixel_size = info.BPP / 8;
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int stride = (int)info.Width * pixel_size;
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var pixels = new byte[stride * (int)info.Height];
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stream.Position = 0x40;
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using (var input = new ZLibStream (stream, CompressionMode.Decompress, true))
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input.Read (pixels, 0, pixels.Length);
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if (24 == info.BPP)
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return ImageData.Create (info, PixelFormats.Rgb24, null, pixels, stride);
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if (8 == info.BPP)
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return ImageData.Create (info, PixelFormats.Gray8, null, pixels, stride);
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if (16 == info.BPP)
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return GrayWithAlpha (info, pixels);
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for (int i = 0; i < pixels.Length; i += pixel_size)
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{
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byte t = pixels[i];
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pixels[i] = pixels[i+2];
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pixels[i+2] = t;
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pixels[i+3] = (byte)System.Math.Min (pixels[i+3] * 0xFF / 0x80, 0xFF);
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}
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return ImageData.Create (info, PixelFormats.Bgra32, null, pixels, stride);
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}
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ImageData GrayWithAlpha (ImageMetaData info, byte[] input)
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{
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int stride = (int)info.Width * 4;
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byte[] pixels = new byte[stride * info.Height];
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int src = 0;
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for (int dst = 0; dst < pixels.Length; dst += 4)
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{
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pixels[dst] = pixels[dst+1] = pixels[dst+2] = input[src++];
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pixels[dst+3] = (byte)System.Math.Min (input[src++] * 0xFF / 0x80, 0xFF);
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}
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return ImageData.Create (info, PixelFormats.Bgra32, null, pixels, stride);
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}
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public override void Write (Stream file, ImageData image)
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{
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throw new System.NotImplementedException ("ZawFormat.Write not implemented");
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}
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}
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}
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@ -922,6 +922,10 @@ Peropero Saimin 3 Raouden ~Yousei no Sakuryaku~<br/>
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<tr class="odd"><td>*.gxp</td><td><tt>GXP</tt></td><td>No</td><td>Astronauts</td><td>
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Demonion 2 ~Maou to Sannin no Joou~<br/>
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</td></tr>
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<tr><td>*.axr</td><td><tt>AXRe</tt></td><td>No</td><td rowspan="2">GEM/vnengine</td><td rowspan="2">
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Natsunone -Ring-<br/>
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</td></tr>
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<tr><td>*.zaw</td><td><tt>ZAW</tt></td><td>No</td></tr>
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</table>
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<p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
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</body>
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