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(Legacy): implemented Lune and Discovery archives.
This commit is contained in:
morkt
parent
95852ac729
commit
83ff904cae
320
Legacy/Discovery/ArcDAT.cs
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320
Legacy/Discovery/ArcDAT.cs
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//! \file ArcDAT.cs
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//! \date 2018 Feb 06
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//! \brief Discovery resource archive.
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//
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// Copyright (C) 2018 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 System.Windows.Media;
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using System.Windows.Media.Imaging;
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using GameRes.Compression;
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// [000225][Discovery] Tsukiyo no Hitomi wa Kurenai ni
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namespace GameRes.Formats.Discovery
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{
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internal class BDataEntry : PackedEntry
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{
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public uint Width;
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public uint Height;
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public int BPP;
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public int Colors;
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public int Extra;
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}
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internal class EDataEntry : PackedEntry
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{
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public uint HeaderSize;
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public uint HeaderUnpacked;
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public uint BodyOffset;
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public uint BodySize;
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public uint BodyUnpacked;
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}
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[Export(typeof(ArchiveFormat))]
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public class DatOpener : ArchiveFormat
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{
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public override string Tag { get { return "DAT/DISCOVERY"; } }
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public override string Description { get { return "Discovery 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 CanWrite { get { return false; } }
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public override ArcFile TryOpen (ArcView file)
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{
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if (!file.Name.HasExtension (".dat"))
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return null;
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int count = file.View.ReadInt32 (file.MaxOffset-4);
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if (!IsSaneCount (count))
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return null;
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var arc_name = Path.GetFileName (file.Name);
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List<Entry> dir = null;
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if (arc_name.StartsWith ("BData", StringComparison.OrdinalIgnoreCase))
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dir = ReadBDataIndex (file, count);
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else if (arc_name.StartsWith ("EData", StringComparison.OrdinalIgnoreCase))
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dir = ReadEDataIndex (file, count);
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else if (arc_name.StartsWith ("VData", StringComparison.OrdinalIgnoreCase))
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dir = ReadVDataIndex (file, count);
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if (null == dir)
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return null;
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return new ArcFile (file, this, dir);
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}
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List<Entry> ReadBDataIndex (ArcView file, int count)
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{
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int entry_size = 0x3C;
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int index_size = count * entry_size;
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if (index_size+4 >= file.MaxOffset)
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return null;
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var index = file.View.ReadBytes (file.MaxOffset - 4 - index_size, (uint)index_size);
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int index_offset = 0;
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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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Decrypt (index, index_offset, entry_size);
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int name_length = index[index_offset];
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if (0 == name_length || name_length > entry_size - 0x18)
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return null;
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var name = Encodings.cp932.GetString (index, index_offset+0x18, name_length);
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var entry = FormatCatalog.Instance.Create<BDataEntry> (name);
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entry.Size = index.ToUInt32 (index_offset+4);
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entry.UnpackedSize = index.ToUInt32 (index_offset+8);
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entry.Offset = index.ToUInt32 (index_offset+0xC);
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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entry.Width = index.ToUInt32 (index_offset+0x10);
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entry.Height = index.ToUInt32 (index_offset+0x14);
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entry.BPP = index[index_offset+1];
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entry.Extra = index.ToUInt16 (index_offset+0x28);
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entry.Colors = index.ToUInt16 (index_offset+0x2A);
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dir.Add (entry);
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index_offset += entry_size;
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}
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return dir;
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}
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List<Entry> ReadEDataIndex (ArcView file, int count)
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{
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int entry_size = 0x2C;
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int index_size = count * entry_size;
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if (index_size+4 >= file.MaxOffset)
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return null;
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var index = file.View.ReadBytes (file.MaxOffset - 4 - index_size, (uint)index_size);
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int index_offset = 0;
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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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Decrypt (index, index_offset, entry_size);
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int name_length = index[index_offset];
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if (0 == name_length || name_length > entry_size - 0x1C)
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return null;
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var name = Encodings.cp932.GetString (index, index_offset+0x1C, name_length);
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var entry = FormatCatalog.Instance.Create<EDataEntry> (name);
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entry.BodySize = index.ToUInt32 (index_offset+4);
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entry.BodyUnpacked = index.ToUInt32 (index_offset+8);
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entry.BodyOffset = index.ToUInt32 (index_offset+0xC);
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entry.HeaderUnpacked = index.ToUInt32 (index_offset+0x10);
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entry.HeaderSize = index.ToUInt32 (index_offset+0x14);
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entry.Offset = index.ToUInt32 (index_offset+0x18);
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entry.Size = entry.HeaderSize + entry.BodySize;
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entry.UnpackedSize = entry.HeaderUnpacked + entry.BodyUnpacked;
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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entry.IsPacked = true;
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dir.Add (entry);
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index_offset += entry_size;
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}
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return dir;
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}
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List<Entry> ReadVDataIndex (ArcView file, int count)
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{
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int entry_size = 0x20;
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int index_size = count * entry_size;
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if (index_size+4 >= file.MaxOffset)
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return null;
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var index = file.View.ReadBytes (file.MaxOffset - 4 - index_size, (uint)index_size);
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for (int i = 0; i < index.Length; ++i)
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index[i] ^= 0xDE;
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int index_offset = 0;
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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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int name_length = index[index_offset];
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if (0 == name_length || name_length > entry_size - 0x10)
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return null;
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var name = Encodings.cp932.GetString (index, index_offset+0x10, name_length);
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var entry = FormatCatalog.Instance.Create<Entry> (name);
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entry.Size = index.ToUInt32 (index_offset+8);
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entry.Offset = index.ToUInt32 (index_offset+0xC);
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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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index_offset += entry_size;
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}
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return 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 eent = entry as EDataEntry;
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if (null == eent || !eent.IsPacked)
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return base.OpenEntry (arc, entry);
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var header = new byte[eent.HeaderUnpacked];
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using (var input = arc.File.CreateStream (eent.Offset, eent.HeaderSize))
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using (var lzss = new LzssStream (input))
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lzss.Read (header, 0, header.Length);
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Stream body = arc.File.CreateStream (eent.BodyOffset, eent.BodySize);
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body = new LzssStream (body);
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return new PrefixStream (header, body);
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}
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public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
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{
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var bent = entry as BDataEntry;
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if (null == bent)
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return base.OpenImage (arc, entry);
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return new BDataDecoder (arc, bent);
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}
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void Decrypt (byte[] data, int pos, int length)
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{
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Descramble32 (data, pos, length, 13);
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Descramble8 (data, pos, length, 7);
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for (int i = 0; i < length; ++i)
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data[pos+i] ^= 0xD6;
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}
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unsafe void Descramble32 (byte[] data, int pos, int length, int seed)
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{
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length /= 4;
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fixed (byte* data8 = &data[pos])
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{
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uint* data32 = (uint*)data8;
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for (int i = 0; i < length; ++i)
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{
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int s = 0;
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uint x = ~(data32[i] & 1) & data32[i];
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int shift = 0;
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for (int j = 0; j < 31; ++j)
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{
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shift = s - seed;
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if (shift < 0)
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shift += ((31 - shift) >> 5) << 5;
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uint bit = x & (1u << shift);
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uint a = ~bit & x;
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uint b;
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if (shift <= s)
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b = bit << (s - shift);
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else
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b = bit >> (shift - s);
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x = b | a;
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s = shift;
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}
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data32[i] = x | ((data32[i] & 1) << shift);
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}
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}
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}
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void Descramble8 (byte[] data, int pos, int length, int seed)
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{
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byte first = data[pos];
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int x = 0;
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int i = 0;
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for (int count = length - 1; count > 0; --count)
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{
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i = x - seed;
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while (i < 0)
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i += length;
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data[pos+x] = data[pos+i];
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x = i;
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}
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data[pos+i] = first;
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}
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}
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internal sealed class BDataDecoder : IImageDecoder
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{
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IBinaryStream m_input;
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byte[] m_output;
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ImageData m_image;
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int m_colors;
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int m_extra;
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public Stream Source { get { m_input.Position = 0; return m_input.AsStream; } }
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public ImageFormat SourceFormat { get { return null; } }
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public ImageMetaData Info { get; private set; }
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public PixelFormat Format { get; private set; }
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public int Stride { get; private set; }
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public BitmapPalette Palette { get; private set; }
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public ImageData Image {
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get {
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if (null == m_image)
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{
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Unpack();
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m_image = ImageData.CreateFlipped (Info, Format, Palette, m_output, Stride);
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}
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return m_image;
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}
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}
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public BDataDecoder (ArcFile arc, BDataEntry entry)
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{
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Info = new ImageMetaData { Width = entry.Width, Height = entry.Height, BPP = entry.BPP };
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uint total_size = entry.Size;
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total_size += (uint)entry.Colors * 4;
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if (entry.Extra > 0)
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total_size += 10 * (uint)entry.Extra + 2;
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Stride = ((int)entry.Width * entry.BPP / 8 + 3) & ~3;
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Format = PixelFormats.Bgr24;
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m_output = new byte[Stride * (int)entry.Height];
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m_colors = entry.Colors;
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m_extra = entry.Extra;
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m_input = arc.File.CreateStream (entry.Offset, total_size);
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}
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private void Unpack ()
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{
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m_input.Position = 0;
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if (m_colors > 0)
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Palette = ImageFormat.ReadPalette (m_input.AsStream, m_colors);
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if (m_extra > 0)
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m_input.Seek (10 * m_extra + 2, SeekOrigin.Current);
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using (var lzss = new LzssStream (m_input.AsStream, LzssMode.Decompress, true))
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lzss.Read (m_output, 0, m_output.Length);
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}
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bool m_disposed = false;
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public void Dispose ()
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{
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if (!m_disposed)
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{
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m_input.Dispose();
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m_disposed = true;
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}
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}
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}
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}
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@ -57,6 +57,9 @@
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</ItemGroup>
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</ItemGroup>
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<ItemGroup>
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<ItemGroup>
|
||||||
<Compile Include="Aaru\ArcFL4.cs" />
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<Compile Include="Aaru\ArcFL4.cs" />
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<Compile Include="Akatombo\ArcX.cs" />
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<Compile Include="Akatombo\ImageFB.cs" />
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<Compile Include="Discovery\ArcDAT.cs" />
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<Compile Include="EbgSystem\ArcBIN.cs" />
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<Compile Include="EbgSystem\ArcBIN.cs" />
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<Compile Include="AnotherRoom\AudioWAZ.cs" />
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<Compile Include="AnotherRoom\AudioWAZ.cs" />
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<Compile Include="AnotherRoom\ImageGR1.cs" />
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<Compile Include="AnotherRoom\ImageGR1.cs" />
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@ -76,8 +79,12 @@
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<Compile Include="Hyperspace\BmpExtension.cs" />
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<Compile Include="Hyperspace\BmpExtension.cs" />
|
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<Compile Include="Inspire\ArcIDA.cs" />
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<Compile Include="Inspire\ArcIDA.cs" />
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<Compile Include="Iris\ArcFPACK.cs" />
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<Compile Include="Iris\ArcFPACK.cs" />
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||||||
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<Compile Include="Jupiter\ArcLB5.cs" />
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||||||
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<Compile Include="Lune\ArcPACK.cs" />
|
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<Compile Include="Mina\ArcML2.cs" />
|
<Compile Include="Mina\ArcML2.cs" />
|
||||||
<Compile Include="Mina\ImageMD.cs" />
|
<Compile Include="Mina\ImageMD.cs" />
|
||||||
|
<Compile Include="Mink\ArcMINK.cs" />
|
||||||
|
<Compile Include="Mutation\ArcDPF.cs" />
|
||||||
<Compile Include="Uncanny\AudioCWV.cs" />
|
<Compile Include="Uncanny\AudioCWV.cs" />
|
||||||
<Compile Include="Uncanny\ImageCII.cs" />
|
<Compile Include="Uncanny\ImageCII.cs" />
|
||||||
<Compile Include="Kurumi\ArcMPK.cs" />
|
<Compile Include="Kurumi\ArcMPK.cs" />
|
||||||
|
|||||||
329
Legacy/Lune/ArcPACK.cs
Normal file
329
Legacy/Lune/ArcPACK.cs
Normal file
@ -0,0 +1,329 @@
|
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|
//! \file ArcPACK.cs
|
||||||
|
//! \date 2018 Feb 03
|
||||||
|
//! \brief Lune Adv Game resource archive.
|
||||||
|
//
|
||||||
|
// Copyright (C) 2018 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.Collections.Generic;
|
||||||
|
using System.ComponentModel.Composition;
|
||||||
|
using System.IO;
|
||||||
|
using System.Windows.Media;
|
||||||
|
using GameRes.Utility;
|
||||||
|
|
||||||
|
// [001110][Lune] Wasurekaketa Kokoro no Kakera
|
||||||
|
|
||||||
|
namespace GameRes.Formats.Lune
|
||||||
|
{
|
||||||
|
#if DEBUG
|
||||||
|
[Export(typeof(ArchiveFormat))]
|
||||||
|
#endif
|
||||||
|
public class PackOpener : ArchiveFormat
|
||||||
|
{
|
||||||
|
public override string Tag { get { return "PACK/LUNE"; } }
|
||||||
|
public override string Description { get { return "Lune Adv Game engine resource archive"; } }
|
||||||
|
public override uint Signature { get { return 0; } }
|
||||||
|
public override bool IsHierarchic { get { return false; } }
|
||||||
|
public override bool CanWrite { get { return false; } }
|
||||||
|
|
||||||
|
public PackOpener ()
|
||||||
|
{
|
||||||
|
Extensions = new string[] { "dat", "wda" };
|
||||||
|
}
|
||||||
|
|
||||||
|
public override ArcFile TryOpen (ArcView file)
|
||||||
|
{
|
||||||
|
uint first_offset = file.View.ReadUInt32 (0);
|
||||||
|
if (first_offset <= 8 || first_offset >= file.MaxOffset || 0 != (first_offset & 7))
|
||||||
|
return null;
|
||||||
|
int count = (int)(first_offset / 8);
|
||||||
|
if (!IsSaneCount (count))
|
||||||
|
return null;
|
||||||
|
var base_name = Path.GetFileNameWithoutExtension (file.Name);
|
||||||
|
string type = file.Name.HasExtension (".wda") ? "audio"
|
||||||
|
: file.Name.HasExtension (".scr") ? "script"
|
||||||
|
: "image";
|
||||||
|
uint index_offset = 0;
|
||||||
|
var dir = new List<Entry> (count);
|
||||||
|
for (int i = 0; i < count; ++i)
|
||||||
|
{
|
||||||
|
var entry = new Entry {
|
||||||
|
Name = string.Format ("{0}#{1:D5}", base_name, i),
|
||||||
|
Type = type,
|
||||||
|
Offset = file.View.ReadUInt32 (index_offset),
|
||||||
|
Size = file.View.ReadUInt32 (index_offset+4),
|
||||||
|
};
|
||||||
|
if (entry.Offset < first_offset || !entry.CheckPlacement (file.MaxOffset))
|
||||||
|
return null;
|
||||||
|
if (entry.Size > 0)
|
||||||
|
dir.Add (entry);
|
||||||
|
index_offset += 8;
|
||||||
|
}
|
||||||
|
if (dir.Count == 0 || dir[dir.Count-1].Offset + dir[dir.Count-1].Size != file.MaxOffset)
|
||||||
|
return null;
|
||||||
|
return new ArcFile (file, this, dir);
|
||||||
|
}
|
||||||
|
|
||||||
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
||||||
|
{
|
||||||
|
if (!arc.File.Name.HasExtension (".wda"))
|
||||||
|
return base.OpenEntry (arc, entry);
|
||||||
|
var format = new WaveFormat {
|
||||||
|
FormatTag = 1,
|
||||||
|
Channels = 1,
|
||||||
|
SamplesPerSecond = 22050,
|
||||||
|
AverageBytesPerSecond = 44100,
|
||||||
|
BlockAlign = 2,
|
||||||
|
BitsPerSample = 16,
|
||||||
|
};
|
||||||
|
byte[] wav_header;
|
||||||
|
using (var output = new MemoryStream (0x2C))
|
||||||
|
{
|
||||||
|
WaveAudio.WriteRiffHeader (output, format, entry.Size);
|
||||||
|
wav_header = output.ToArray();
|
||||||
|
}
|
||||||
|
var pcm_data = arc.File.CreateStream (entry.Offset, entry.Size);
|
||||||
|
return new PrefixStream (wav_header, pcm_data);
|
||||||
|
}
|
||||||
|
|
||||||
|
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
|
||||||
|
{
|
||||||
|
var input = arc.File.CreateStream (entry.Offset, entry.Size);
|
||||||
|
if (arc.File.Name.HasExtension (".msk"))
|
||||||
|
return new PackMaskDecoder (input);
|
||||||
|
else
|
||||||
|
return new PackImageDecoder (input);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
internal class PackImageDecoder : IImageDecoder
|
||||||
|
{
|
||||||
|
protected IBinaryStream m_input;
|
||||||
|
protected byte[] m_output;
|
||||||
|
private ImageData m_image;
|
||||||
|
|
||||||
|
public Stream Source { get { m_input.Position = 0; return m_input.AsStream; } }
|
||||||
|
public ImageFormat SourceFormat { get { return null; } }
|
||||||
|
public PixelFormat Format { get; private set; }
|
||||||
|
public ImageMetaData Info { get; private set; }
|
||||||
|
|
||||||
|
public ImageData Image {
|
||||||
|
get {
|
||||||
|
if (null == m_image)
|
||||||
|
{
|
||||||
|
Unpack();
|
||||||
|
m_image = ImageData.Create (Info, Format, null, m_output);
|
||||||
|
}
|
||||||
|
return m_image;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
public PackImageDecoder (IBinaryStream input) : this (input, PixelFormats.Bgr24) { }
|
||||||
|
|
||||||
|
protected PackImageDecoder (IBinaryStream input, PixelFormat format)
|
||||||
|
{
|
||||||
|
m_input = input;
|
||||||
|
uint width = input.ReadUInt16();
|
||||||
|
uint height = input.ReadUInt16();
|
||||||
|
Format = format;
|
||||||
|
Info = new ImageMetaData { Width = width, Height = height, BPP = format.BitsPerPixel };
|
||||||
|
m_output = new byte[(int)width * (int)height * Info.BPP / 8];
|
||||||
|
}
|
||||||
|
|
||||||
|
protected virtual void Unpack ()
|
||||||
|
{
|
||||||
|
m_input.Position = 4;
|
||||||
|
var data = ReadDataBytes();
|
||||||
|
using (var bits = new MsbBitStream (m_input.AsStream, true))
|
||||||
|
{
|
||||||
|
int src = 0;
|
||||||
|
m_output[0] = data[src++];
|
||||||
|
for (int dst = 1; dst < m_output.Length; ++dst)
|
||||||
|
{
|
||||||
|
int ctl = bits.GetBits (2);
|
||||||
|
byte v;
|
||||||
|
if (0 == ctl)
|
||||||
|
{
|
||||||
|
v = data[src++];
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
v = m_output[dst-3];
|
||||||
|
if (ctl == 2)
|
||||||
|
{
|
||||||
|
if (bits.GetNextBit() != 0)
|
||||||
|
v -= 1;
|
||||||
|
else
|
||||||
|
v += 1;
|
||||||
|
}
|
||||||
|
else if (ctl == 3)
|
||||||
|
{
|
||||||
|
ctl = bits.GetBits (2);
|
||||||
|
if (ctl == 2)
|
||||||
|
{
|
||||||
|
if (bits.GetNextBit() != 0)
|
||||||
|
v -= 3;
|
||||||
|
else
|
||||||
|
v += 3;
|
||||||
|
}
|
||||||
|
else if (ctl == 3)
|
||||||
|
{
|
||||||
|
ctl = bits.GetBits (2);
|
||||||
|
if (ctl == 2)
|
||||||
|
{
|
||||||
|
if (bits.GetNextBit() != 0)
|
||||||
|
v -= 5;
|
||||||
|
else
|
||||||
|
v += 5;
|
||||||
|
}
|
||||||
|
else if (ctl == 3)
|
||||||
|
{
|
||||||
|
switch (bits.GetBits (2))
|
||||||
|
{
|
||||||
|
case 3: v -= 7; break;
|
||||||
|
case 2: v += 7; break;
|
||||||
|
case 1: v -= 6; break;
|
||||||
|
default: v += 6; break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else if (ctl == 1)
|
||||||
|
v -= 4;
|
||||||
|
else
|
||||||
|
v += 4;
|
||||||
|
}
|
||||||
|
else if (ctl == 1)
|
||||||
|
v -= 2;
|
||||||
|
else
|
||||||
|
v += 2;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
m_output[dst] = v;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
protected byte[] ReadDataBytes ()
|
||||||
|
{
|
||||||
|
uint data_pos = m_input.ReadUInt32();
|
||||||
|
long ctl_pos = m_input.Position;
|
||||||
|
m_input.Seek (data_pos, SeekOrigin.Current);
|
||||||
|
var data = m_input.ReadBytes ((int)(m_input.Length - data_pos));
|
||||||
|
if (0 == data.Length)
|
||||||
|
throw new InvalidFormatException();
|
||||||
|
m_input.Position = ctl_pos;
|
||||||
|
return data;
|
||||||
|
}
|
||||||
|
|
||||||
|
bool m_disposed = false;
|
||||||
|
public void Dispose ()
|
||||||
|
{
|
||||||
|
if (!m_disposed)
|
||||||
|
{
|
||||||
|
m_input.Dispose();
|
||||||
|
m_disposed = true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
internal sealed class PackMaskDecoder : PackImageDecoder
|
||||||
|
{
|
||||||
|
public PackMaskDecoder (IBinaryStream input) : base (input, PixelFormats.Gray8) { }
|
||||||
|
|
||||||
|
protected override void Unpack ()
|
||||||
|
{
|
||||||
|
m_input.Position = 4;
|
||||||
|
var data = ReadDataBytes();
|
||||||
|
using (var bits = new MsbBitStream (m_input.AsStream, true))
|
||||||
|
{
|
||||||
|
int stride = (int)Info.Width;
|
||||||
|
int src = 0;
|
||||||
|
int dst = 0;
|
||||||
|
byte init_value = data[src++];
|
||||||
|
m_output[dst++] = init_value;
|
||||||
|
int bit_count = 0;
|
||||||
|
int y = 0;
|
||||||
|
int x = 1;
|
||||||
|
while (dst < m_output.Length)
|
||||||
|
{
|
||||||
|
int ctl = bits.GetBits (2);
|
||||||
|
if (0 == ctl)
|
||||||
|
{
|
||||||
|
int count;
|
||||||
|
if (bit_count > 0)
|
||||||
|
count = bits.GetBits (14 - bit_count);
|
||||||
|
else
|
||||||
|
count = bits.GetBits (6);
|
||||||
|
while (count --> 0 && dst < m_output.Length)
|
||||||
|
{
|
||||||
|
if (y == 0 || x + 1 == stride)
|
||||||
|
m_output[dst] = init_value;
|
||||||
|
else
|
||||||
|
m_output[dst] = m_output[dst - stride + 1];
|
||||||
|
++dst;
|
||||||
|
if (++x == stride)
|
||||||
|
{
|
||||||
|
x = 0;
|
||||||
|
++y;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bit_count = 0;
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
else if (1 == ctl)
|
||||||
|
{
|
||||||
|
bit_count += 2;
|
||||||
|
if (0 == x)
|
||||||
|
m_output[dst] = init_value;
|
||||||
|
else
|
||||||
|
m_output[dst] = m_output[dst - stride - 1];
|
||||||
|
}
|
||||||
|
else if (2 == ctl)
|
||||||
|
{
|
||||||
|
bit_count += 2;
|
||||||
|
m_output[dst] = data[src++];
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
bit_count += 3;
|
||||||
|
if (bits.GetNextBit() != 0)
|
||||||
|
m_output[dst] = m_output[dst - stride];
|
||||||
|
else
|
||||||
|
m_output[dst] = m_output[dst-1];
|
||||||
|
}
|
||||||
|
++dst;
|
||||||
|
if (++x == stride)
|
||||||
|
{
|
||||||
|
x = 0;
|
||||||
|
++y;
|
||||||
|
}
|
||||||
|
if (bit_count >= 8)
|
||||||
|
bit_count -= 8;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
const byte max = 0x20; // System.Linq.Enumerable.Max (m_output);
|
||||||
|
if (max != 0 && max != 0xFF)
|
||||||
|
{
|
||||||
|
for (int i = 0; i < m_output.Length; ++i)
|
||||||
|
m_output[i] = (byte)(m_output[i] * 0xFF / max);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
x
Reference in New Issue
Block a user