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implemented BlackRainbow PACK archives.
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| //! \file ArcDX.cs | ||
| //! \date Fri Nov 18 01:03:45 2016 | ||
| //! \brief DX resource archive. | ||
| // | ||
| // 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; | ||
| using System.Collections.Generic; | ||
| using System.ComponentModel.Composition; | ||
| using System.IO; | ||
|
|
||
| namespace GameRes.Formats.BlackRainbow | ||
| { | ||
| [Export(typeof(ArchiveFormat))] | ||
| public class PackOpener : ArchiveFormat | ||
| { | ||
| public override string Tag { get { return "PACK/DX"; } } | ||
| public override string Description { get { return "DX engine resource archive"; } } | ||
| public override uint Signature { get { return 0x4B434150; } } // 'PACK' | ||
| public override bool IsHierarchic { get { return true; } } | ||
| public override bool CanWrite { get { return false; } } | ||
|
|
||
| public PackOpener () | ||
| { | ||
| Extensions = new string[] { "pak" }; | ||
| } | ||
|
|
||
| public override ArcFile TryOpen (ArcView file) | ||
| { | ||
| uint index_length = file.View.ReadUInt32 (4); | ||
| if (index_length >= file.MaxOffset) | ||
| return null; | ||
| using (var input = file.CreateStream (0, index_length)) | ||
| { | ||
| var reader = new IndexReader (input, file.MaxOffset); | ||
| if (!reader.ReadDir ("", 8, index_length)) | ||
| return null; | ||
| return new ArcFile (file, this, reader.Dir); | ||
| } | ||
| } | ||
|
|
||
| public override Stream OpenEntry (ArcFile arc, Entry entry) | ||
| { | ||
| if (!entry.Name.EndsWith (".hse", StringComparison.InvariantCultureIgnoreCase)) | ||
| return base.OpenEntry (arc, entry); | ||
| var data = arc.File.View.ReadBytes (entry.Offset, entry.Size); | ||
| for (int i = 0; i < data.Length; ++i) | ||
| data[i] = (byte)-data[i]; | ||
| return new BinMemoryStream (data, entry.Name); | ||
| } | ||
|
|
||
| internal class IndexReader | ||
| { | ||
| IBinaryStream m_index; | ||
| long m_max_offset; | ||
| List<Entry> m_dir; | ||
|
|
||
| public List<Entry> Dir { get { return m_dir; } } | ||
|
|
||
| public IndexReader (IBinaryStream input, long max_offset) | ||
| { | ||
| m_index = input; | ||
| m_max_offset = max_offset; | ||
| m_dir = new List<Entry>(); | ||
| } | ||
|
|
||
| public bool ReadDir (string root, uint dir_offset, uint base_offset) | ||
| { | ||
| m_index.Position = dir_offset; | ||
| int dir_count = m_index.ReadInt32(); | ||
| dir_offset += 4; | ||
| for (int i = 0; i < dir_count; ++i) | ||
| { | ||
| var name = m_index.ReadCString (0x20); | ||
| uint offset = m_index.ReadUInt32(); | ||
| uint data_offset = m_index.ReadUInt32(); | ||
| if (offset <= dir_offset || offset > m_index.Length || data_offset > m_max_offset) | ||
| return false; | ||
| if (!ReadDir (Path.Combine (root, name), offset, data_offset)) | ||
| return false; | ||
| dir_offset += 0x28; | ||
| m_index.Position = dir_offset; | ||
| } | ||
| int count = m_index.ReadInt32(); | ||
| if (0 == count) | ||
| return true; | ||
| if (!IsSaneCount (count)) | ||
| return false; | ||
| for (int i = 0; i < count; ++i) | ||
| { | ||
| var name = m_index.ReadCString (0x20); | ||
| name = Path.Combine (root, name); | ||
| var entry = FormatCatalog.Instance.Create<Entry> (name); | ||
| entry.Offset = m_index.ReadUInt32() + base_offset; | ||
| entry.Size = m_index.ReadUInt32(); | ||
| if (!entry.CheckPlacement (m_max_offset)) | ||
| return false; | ||
| if (name.EndsWith (".hse", StringComparison.InvariantCultureIgnoreCase)) | ||
| entry.Type = "image"; | ||
| m_dir.Add (entry); | ||
| } | ||
| return true; | ||
| } | ||
| } | ||
| } | ||
| } |
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