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(AR2): added Leaf ar21 resource archive.
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morkt
parent
4ee728bad8
commit
2c96d146b7
138
ArcFormats/Leaf/ArcAR2.cs
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138
ArcFormats/Leaf/ArcAR2.cs
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//! \file ArcAR2.cs
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//! \date 2019 May 22
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//! \brief Leaf archive format.
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//
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// Copyright (C) 2019 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.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Text;
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namespace GameRes.Formats.Leaf
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{
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internal class Ar21Entry : Entry
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{
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public byte Key;
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}
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[Export(typeof(ArchiveFormat))]
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public class Ar2Opener : ArchiveFormat
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{
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public override string Tag { get { return "AR2"; } }
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public override string Description { get { return "Leaf ar21 resource archive"; } }
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public override uint Signature { get { return 0x31327261; } } // 'ar21'
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public override bool IsHierarchic { get { return true; } }
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public override bool CanWrite { get { return false; } }
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public override ArcFile TryOpen (ArcView file)
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{
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int count = file.View.ReadInt32 (4);
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if (!IsSaneCount (count))
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return null;
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int index_pos = 8;
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var name_buffer = new byte[0x100];
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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byte name_length = file.View.ReadByte (index_pos++);
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file.View.Read (index_pos, name_buffer, 0, (uint)name_length * 2);
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var name = DecryptName (name_buffer, name_length);
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var entry = Create<Ar21Entry> (name);
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index_pos += name_length * 2;
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entry.Offset = file.View.ReadUInt32 (index_pos);
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entry.Size = file.View.ReadUInt32 (index_pos+4);
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entry.Key = file.View.ReadByte (index_pos+8);
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dir.Add (entry);
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index_pos += 12;
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}
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foreach (var entry in dir)
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{
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entry.Offset += index_pos;
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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}
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return new ArcFile (file, this, dir);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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var arent = (Ar21Entry)entry;
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using (var input = arc.File.CreateStream (entry.Offset, entry.Size))
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{
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var data = input.ReadBytes ((int)entry.Size);
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int key_pos = arent.Key;
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for (int i = 0; i < data.Length; ++i)
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{
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data[i] ^= DefaultKey[key_pos + (i & 0xFF)];
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}
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return new BinMemoryStream (data, entry.Name);
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}
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}
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internal static string DecryptName (byte[] buffer, int length)
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{
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int count = length * 2;
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for (int i = 0; i < count; i += 2)
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{
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buffer[i] ^= (byte)length;
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}
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return Encoding.Unicode.GetString (buffer, 0, count);
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}
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static readonly byte[] DefaultKey = {
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0x1D, 0x4F, 0xA2, 0x33, 0x2D, 0x17, 0x56, 0xBB, 0xCE, 0xF2, 0xC6, 0xDD, 0x01, 0x62, 0x88, 0x51,
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0x21, 0xF2, 0xD3, 0x2C, 0xC7, 0xF3, 0xC4, 0x36, 0x01, 0xC3, 0x43, 0x39, 0x00, 0x91, 0x35, 0x7E,
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0x9B, 0x00, 0x21, 0xE9, 0x7F, 0x46, 0x61, 0xC8, 0x5B, 0x75, 0x15, 0x55, 0x45, 0xC9, 0x67, 0x98,
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0xF8, 0x0B, 0x1C, 0x8F, 0x6C, 0x40, 0x4F, 0x4B, 0xA4, 0xF5, 0xB3, 0x5E, 0xEF, 0x08, 0x42, 0x7C,
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0xDE, 0x9E, 0xCE, 0x13, 0xE2, 0xE2, 0xD4, 0x91, 0x7A, 0xC6, 0x9A, 0x40, 0x52, 0xDB, 0x7A, 0x2E,
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0x5F, 0xBA, 0x64, 0xC9, 0xB4, 0x61, 0x38, 0xBC, 0x0D, 0xFF, 0x31, 0x56, 0x2D, 0xAA, 0x38, 0xBD,
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0x44, 0xF8, 0xAD, 0x6A, 0x40, 0xD7, 0x58, 0x23, 0x36, 0xF9, 0x23, 0xFC, 0x07, 0x33, 0xA5, 0xDD,
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0xA7, 0x10, 0xFA, 0x32, 0x73, 0x23, 0x99, 0x7A, 0xBB, 0x24, 0xEF, 0x92, 0xDE, 0x51, 0x6E, 0x7C,
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0x91, 0x8B, 0x8E, 0x7A, 0x66, 0x2A, 0x06, 0x39, 0x60, 0x48, 0x9B, 0x6B, 0x03, 0x3D, 0xFF, 0x8F,
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0xC6, 0x48, 0x8F, 0x70, 0xB1, 0xCA, 0x34, 0x72, 0xF7, 0xF8, 0xFA, 0xB6, 0x49, 0xE3, 0x63, 0x52,
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0x00, 0x73, 0xFF, 0xE7, 0xD5, 0x90, 0x32, 0x1B, 0x87, 0xF1, 0xA0, 0xF8, 0xF1, 0xE2, 0x76, 0x46,
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0xFE, 0x32, 0x15, 0x7E, 0x1A, 0x7D, 0x60, 0x75, 0x0A, 0xF6, 0x54, 0xE3, 0x02, 0xCC, 0x48, 0x19,
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0xF6, 0x5F, 0xDD, 0xB9, 0x56, 0x05, 0xA2, 0xEE, 0x98, 0x50, 0x4C, 0x43, 0x23, 0x48, 0xBD, 0xD8,
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0xF0, 0xA5, 0x11, 0x7F, 0x52, 0xDE, 0x07, 0xC5, 0x93, 0x82, 0x0D, 0x9A, 0xCC, 0x64, 0x7E, 0x7E,
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0x63, 0x04, 0x1B, 0x54, 0xE1, 0xCE, 0x59, 0x79, 0x6E, 0xB3, 0x79, 0x31, 0xC9, 0xC6, 0x79, 0x01,
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0xBD, 0xCE, 0xF4, 0x5F, 0x0E, 0xDE, 0x9D, 0x82, 0x2A, 0x8D, 0xAC, 0x74, 0x35, 0x58, 0x69, 0x5D,
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0x61, 0x7A, 0x1C, 0x3B, 0x16, 0x3E, 0xE4, 0x8E, 0x83, 0xE6, 0xDB, 0x89, 0x08, 0x1D, 0x93, 0xF6,
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0x95, 0x39, 0xE0, 0xB7, 0x13, 0x81, 0x17, 0xAB, 0xF8, 0x8D, 0x17, 0x05, 0x4C, 0x4E, 0x1F, 0xC7,
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0x4D, 0xCC, 0xB1, 0xC1, 0x61, 0x40, 0xB7, 0x69, 0xEF, 0xE7, 0x33, 0x56, 0xF8, 0x0B, 0x71, 0x3F,
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0xBB, 0x2D, 0xB9, 0xB5, 0xC5, 0x99, 0xE4, 0x78, 0x5C, 0x41, 0xB0, 0x9B, 0x1B, 0xFD, 0xD0, 0x37,
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0x11, 0xBB, 0xE3, 0x7B, 0x76, 0x81, 0x66, 0xD7, 0x03, 0xC9, 0xCC, 0x59, 0x0E, 0x01, 0x03, 0xF7,
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0x7C, 0x53, 0xD8, 0x9C, 0x3E, 0xB2, 0xE2, 0x04, 0xDA, 0x69, 0x1D, 0xFE, 0xDD, 0xB0, 0x02, 0x90,
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0x57, 0x6B, 0x42, 0x35, 0x38, 0xDF, 0x33, 0xA2, 0x10, 0xA5, 0x94, 0x49, 0x2D, 0x3C, 0x33, 0x70,
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0x33, 0x22, 0x2A, 0x12, 0x3B, 0x29, 0xF6, 0xD2, 0x40, 0x53, 0x09, 0x93, 0x8A, 0x9A, 0x8C, 0x2B,
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0xAA, 0x5C, 0xB3, 0x3F, 0x4B, 0x3D, 0x85, 0xC5, 0x8D, 0x69, 0xF1, 0x37, 0x8A, 0x64, 0xD5, 0x30,
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0x94, 0xFD, 0xDF, 0x9E, 0x5B, 0x34, 0x3C, 0x44, 0xD0, 0x74, 0x13, 0xA2, 0x43, 0xEC, 0xF8, 0x6D,
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0xE0, 0xBE, 0xB7, 0x9E, 0x5E, 0x67, 0x70, 0x76, 0x85, 0x90, 0xFE, 0x66, 0x0E, 0xCC, 0x94, 0x7B,
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0xE3, 0x07, 0x63, 0xBC, 0x6D, 0x13, 0x27, 0xFA, 0xC1, 0xAB, 0x65, 0x01, 0xA2, 0xB9, 0xD6, 0x40,
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0x11, 0x95, 0xAB, 0x97, 0xCE, 0x3A, 0x57, 0xC0, 0x82, 0x84, 0xC9, 0xC5, 0x45, 0xE0, 0x82, 0xCB,
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0x5B, 0xD9, 0xF3, 0x02, 0x4E, 0x99, 0xA0, 0x7F, 0xBF, 0xF1, 0x25, 0x85, 0xEF, 0x88, 0xA7, 0xA9,
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0x38, 0x25, 0xAC, 0xD0, 0x04, 0x8A, 0x15, 0x9E, 0x82, 0x12, 0x79, 0xD3, 0x20, 0xB2, 0x11, 0x13,
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0xF3, 0x17, 0x14, 0x34, 0x67, 0x8D, 0xF1, 0xD3, 0x22, 0x1F, 0xC8, 0xC5, 0x51, 0x25, 0xD9, 0x27,
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};
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}
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}
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