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https://github.com/crskycode/GARbro.git
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implemented FPK archives.
This commit is contained in:
morkt
parent
e13743862a
commit
9bef74d620
@ -175,6 +175,7 @@
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</Compile>
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</Compile>
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<Compile Include="Marble\VideoANIM.cs" />
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<Compile Include="Marble\VideoANIM.cs" />
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<Compile Include="MD5.cs" />
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<Compile Include="MD5.cs" />
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<Compile Include="Moonhir\ArcFPK.cs" />
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<Compile Include="Morning\ArcTTD.cs" />
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<Compile Include="Morning\ArcTTD.cs" />
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<Compile Include="Nekopunch\ArcPAK.cs" />
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<Compile Include="Nekopunch\ArcPAK.cs" />
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<Compile Include="NekoSDK\ArcDAT.cs" />
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<Compile Include="NekoSDK\ArcDAT.cs" />
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265
ArcFormats/Moonhir/ArcFPK.cs
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265
ArcFormats/Moonhir/ArcFPK.cs
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@ -0,0 +1,265 @@
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//! \file ArcFPK.cs
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//! \date Fri Sep 16 04:23:31 2016
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//! \brief MoonhirGames resources 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.Diagnostics;
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using System.IO;
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using System.Linq;
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using GameRes.Utility;
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namespace GameRes.Formats.MoonhirGames
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{
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internal class FpkEntry : Entry
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{
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public bool IsEncrypted;
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}
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internal class FpkArchive : ArcFile
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{
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public readonly uint Key;
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public FpkArchive (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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Key = key;
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}
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}
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[Serializable]
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public class Fpk0100Scheme : ResourceScheme
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{
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public uint[] KnownKeys;
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}
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[Export(typeof(ArchiveFormat))]
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public class FpkOpener : ArchiveFormat
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{
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public override string Tag { get { return "FPK/MOONHIR"; } }
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public override string Description { get { return "MoonhirGames engine resource archive"; } }
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public override uint Signature { get { return 0x4B5046; } } // 'FPK'
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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 uint[] KnownKeys = { 0 };
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public override ResourceScheme Scheme
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{
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get { return new Fpk0100Scheme { KnownKeys = KnownKeys }; }
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set { KnownKeys = ((Fpk0100Scheme)value).KnownKeys; }
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}
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public override ArcFile TryOpen (ArcView file)
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{
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if (!file.View.AsciiEqual (4, "0100"))
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return null;
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int count = file.View.ReadInt32 (0xC);
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if (!IsSaneCount (count))
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return null;
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uint index_offset = file.View.ReadUInt32 (8);
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var dir = new List<Entry> (count);
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bool has_encrypted = false;
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for (int i = 0; i < count; ++i)
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{
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var name = file.View.ReadString (index_offset+12, 12);
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var entry = FormatCatalog.Instance.Create<FpkEntry> (name);
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entry.IsEncrypted = 0 != file.View.ReadUInt32 (index_offset);
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entry.Offset = file.View.ReadUInt32 (index_offset+4);
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entry.Size = file.View.ReadUInt32 (index_offset+8);
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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if (name.EndsWith (".fbx", StringComparison.InvariantCultureIgnoreCase))
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entry.Type = "image";
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has_encrypted = has_encrypted || entry.IsEncrypted;
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dir.Add (entry);
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index_offset += 0x18;
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}
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if (!has_encrypted)
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return new ArcFile (file, this, dir);
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var enc_entry = dir.Cast<FpkEntry>().FirstOrDefault (e => e.IsEncrypted && e.Size > 8);
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if (null == enc_entry)
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return new ArcFile (file, this, dir);
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var key = FindKey (file, enc_entry);
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if (null == key)
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{
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Trace.WriteLine (string.Format ("{0}: unknown encryption key", file.Name), "[FPK]");
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return new ArcFile (file, this, dir);
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}
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return new FpkArchive (file, this, dir, key.Value);
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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 farc = arc as FpkArchive;
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var fent = entry as FpkEntry;
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Stream input;
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byte[] header;
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if (null == farc || null == fent || !fent.IsEncrypted)
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{
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if (fent.IsEncrypted)
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throw new UnknownEncryptionScheme();
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input = arc.File.CreateStream (entry.Offset, entry.Size);
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header = new byte[0x10];
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input.Read (header, 0, 0x10);
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input.Position = 0;
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}
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else
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{
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var data = arc.File.View.ReadBytes (entry.Offset, entry.Size);
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Decrypt (data, 0, data.Length, farc.Key);
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int length = LittleEndian.ToInt32 (data, data.Length-8);
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input = new MemoryStream (data, 0, length);
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header = data;
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}
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if (!Binary.AsciiEqual (header, "FBX\x01"))
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return input;
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using (input)
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{
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int packed_size = LittleEndian.ToInt32 (header, 8);
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int unpacked_size = LittleEndian.ToInt32 (header, 0xC);
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input.Position = header[7];
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var unpacked = UnpackFbx (input, packed_size, unpacked_size);
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return new MemoryStream (unpacked);
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}
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}
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uint? FindKey (ArcView file, Entry entry)
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{
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if (entry.Size < 8)
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return null;
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var offset = entry.Offset + entry.Size - 8;
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uint t1 = file.View.ReadUInt32 (offset+4);
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uint t0 = file.View.ReadUInt32 (offset);
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// l = (a - x - m + 7) ^ ((x - ((b - x - m + 4) ^ x)) >> 7) ^ ((x * 2 + m - 4) << 7);
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foreach (uint key in KnownKeys)
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{
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uint k1 = key + entry.Size - 4;
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uint k2 = ((key - ((t1 - k1) ^ key)) >> 7) ^ ((k1 + key) << 7);
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uint test_length = ((((t0 - (k1 - 3)) ^ k2) + 3) & ~3u) + 8;
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if (entry.Size == test_length)
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return key;
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}
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return null;
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}
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unsafe void Decrypt (byte[] data, int index, int length, uint key)
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{
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if (length < 8)
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return;
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fixed (byte* data8 = &data[index])
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{
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uint* data32 = (uint*)data8;
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uint* dptr = data32 + length / 4 - 1;
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uint k1 = key + (uint)length - 4;
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uint k2 = key;
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while (dptr >= data32)
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{
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*dptr = (*dptr - k1) ^ k2;
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k2 = ((k2 - *dptr) >> 7) ^ ((k1 + k2) << 7);
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k1 -= 3;
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--dptr;
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}
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}
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}
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byte[] UnpackFbx (Stream input, int packed_size, int unpacked_size)
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{
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var output = new byte[unpacked_size];
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int dst = 0;
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int ctl = 1;
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while (dst < output.Length)
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{
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if (1 == ctl)
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{
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ctl = input.ReadByte();
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if (-1 == ctl)
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break;
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ctl |= 0x100;
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}
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int count, offset;
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switch (ctl & 3)
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{
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case 0:
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output[dst++] = (byte)input.ReadByte();
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break;
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case 1:
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count = input.ReadByte();
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if (-1 == count)
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return output;
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count = Math.Min (count + 2, output.Length - dst);
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input.Read (output, dst, count);
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dst += count;
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break;
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case 2:
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offset = input.ReadByte() << 8;
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offset |= input.ReadByte();
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if (-1 == offset)
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return output;
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count = Math.Min ((offset & 0x1F) + 4, output.Length - dst);
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offset >>= 5;
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Binary.CopyOverlapped (output, dst - offset - 1, dst, count);
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dst += count;
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break;
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case 3:
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int exctl = input.ReadByte();
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if (-1 == exctl)
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return output;
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count = exctl & 0x3F;
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switch (exctl >> 6)
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{
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case 0:
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count = count << 8 | input.ReadByte();
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if (-1 == count)
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return output;
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count = Math.Min (count + 0x102, output.Length - dst);
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input.Read (output, dst, count);
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dst += count;
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break;
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case 1:
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offset = input.ReadByte() << 8;
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offset |= input.ReadByte();
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count = count << 5 | offset & 0x1F;
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count = Math.Min (count + 0x24, output.Length - dst);
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offset >>= 5;
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Binary.CopyOverlapped (output, dst - offset - 1, dst, count);
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dst += count;
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break;
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case 3:
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input.Seek (count, SeekOrigin.Current);
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ctl = 1 << 2;
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break;
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default:
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break;
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}
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break;
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}
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ctl >>= 2;
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}
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return output;
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}
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}
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}
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@ -1127,6 +1127,9 @@ Triangle Heart 1-2-3<br/>
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</td></tr>
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</td></tr>
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<tr class ="odd"><td>*.sg</td><td><tt>fSG</tt></td><td>No</td></tr>
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<tr class ="odd"><td>*.sg</td><td><tt>fSG</tt></td><td>No</td></tr>
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<tr class ="odd last"><td>*.px</td><td><tt>fPX</tt></td><td>No</td></tr>
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<tr class ="odd last"><td>*.px</td><td><tt>fPX</tt></td><td>No</td></tr>
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<tr><td>*.fpk</td><td><tt>FPK 0100</tt></td><td>No</td><td>MoonhirGames</td><td>
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Pretty Devil Paradise ~Millium Makai Dakkan Shirei~<br/>
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</td></tr>
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</table>
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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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<p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
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</body>
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</body>
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