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implemented 'Gpc7' archives.
This commit is contained in:
morkt
parent
d71dc26329
commit
c92fde67a5
@ -150,6 +150,7 @@
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<Compile Include="Softpal\ImagePIC.cs" />
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<Compile Include="StudioEgo\ArcPAK0.cs" />
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<Compile Include="StudioEgo\ImageANT.cs" />
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<Compile Include="SuperNekoX\ArcGPC.cs" />
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<Compile Include="TechnoBrain\ImageIPH.cs" />
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<Compile Include="DxLib\ArcDX.cs" />
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<Compile Include="ArcMiris.cs" />
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257
ArcFormats/SuperNekoX/ArcGPC.cs
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257
ArcFormats/SuperNekoX/ArcGPC.cs
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@ -0,0 +1,257 @@
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//! \file ArcGPC.cs
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//! \date Tue Mar 22 01:38:13 2016
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//! \brief Super Neko X engine 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 System.Linq;
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using GameRes.Utility;
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namespace GameRes.Formats.SuperNekoX
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{
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[Export(typeof(ArchiveFormat))]
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public class GpcOpener : ArchiveFormat
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{
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public override string Tag { get { return "GPC7"; } }
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public override string Description { get { return "Super NekoX engine resource archive"; } }
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public override uint Signature { get { return 0x37637047; } } // 'Gpc7'
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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 GpcOpener ()
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{
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Extensions = new string[] { "gpc" };
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}
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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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var base_name = Path.GetFileNameWithoutExtension (file.Name);
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var dir = new List<Entry> (count);
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int index_offset = 8;
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long data_offset = count * 4 + 8;
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uint next_offset = file.View.ReadUInt32 (index_offset);
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for (int i = 0; i < count; ++i)
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{
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index_offset += 4;
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var entry = new PackedEntry { Offset = next_offset };
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next_offset = i + 1 < count ? file.View.ReadUInt32 (index_offset) : (uint)file.MaxOffset;
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entry.Size = next_offset - (uint)entry.Offset;
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if (entry.Offset < data_offset || !entry.CheckPlacement (file.MaxOffset))
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return null;
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entry.Name = string.Format ("{0}#{1:D4}", base_name, i);
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dir.Add (entry);
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}
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DetectFileTypes (file, dir);
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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 pent = entry as PackedEntry;
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Stream input = arc.File.CreateStream (entry.Offset, entry.Size);
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if (null != pent && pent.IsPacked)
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{
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Stream unpacked;
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using (input)
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{
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var data = new byte[pent.UnpackedSize];
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UnpackEntry (input, data);
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unpacked = new MemoryStream (data);
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}
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input = unpacked;
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}
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if (input.Length > 4 && input.Length < 0x10000)
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{
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using (var reader = new ArcView.Reader (input))
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{
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int unpacked_size = reader.ReadUInt16();
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int packed_size = reader.ReadUInt16();
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if (packed_size == input.Length-4)
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{
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using (input)
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{
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var data = new byte[unpacked_size];
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UnpackLz77 (input, data);
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return new MemoryStream (data);
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}
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}
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input.Position = 0;
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}
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}
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return input;
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}
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void DetectFileTypes (ArcView file, List<Entry> dir)
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{
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using (var input = file.CreateStream())
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using (var reader = new ArcView.Reader (input))
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{
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var buffer = new byte[0x10];
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foreach (PackedEntry entry in dir)
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{
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input.Position = entry.Offset;
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uint packed_size = reader.ReadUInt32();
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entry.UnpackedSize = reader.ReadUInt32();
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entry.Offset += 8;
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if (0 == packed_size)
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{
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entry.Size = entry.UnpackedSize;
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}
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else
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{
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entry.IsPacked = true;
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entry.Size = packed_size;
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}
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if (entry.Size < 0x10)
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continue;
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uint signature;
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if (entry.IsPacked)
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{
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UnpackEntry (input, buffer);
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signature = LittleEndian.ToUInt32 (buffer, 0);
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}
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else
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signature = reader.ReadUInt32();
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IResource res;
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if (0x020000 == signature)
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res = ImageFormat.Tga;
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else
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res = AutoEntry.DetectFileType (signature);
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if (null != res)
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{
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entry.Type = res.Type;
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var ext = res.Extensions.FirstOrDefault();
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if (!string.IsNullOrEmpty (ext))
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entry.Name = Path.ChangeExtension (entry.Name, ext);
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}
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}
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}
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}
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void UnpackEntry (Stream input, byte[] output)
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{
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int dst = 0;
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while (dst < output.Length)
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{
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int ctl = input.ReadByte();
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if (-1 == ctl)
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break;
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int count, offset;
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if (ctl >= 0x20)
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{
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if (ctl >= 0x80)
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{
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count = (ctl >> 5) & 3;
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offset = (ctl & 0x1F) << 8;
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offset |= input.ReadByte();
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}
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else if ((ctl & 0x60) == 0x20)
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{
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offset = (ctl >> 2) & 7;
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count = ctl & 3;
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}
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else if ((ctl & 0x60) == 0x40)
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{
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offset = (ctl & 0x1F) << 8;
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offset |= input.ReadByte();
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count = input.ReadByte() + 4;
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}
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else
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{
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offset = (ctl & 0x1F) << 8 | input.ReadByte();
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count = input.ReadByte() << 24;
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count |= input.ReadByte() << 16;
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count |= input.ReadByte() << 8;
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count |= input.ReadByte();
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}
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count = Math.Min (count + 3, output.Length-dst);
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Binary.CopyOverlapped (output, dst-offset-1, dst, count);
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}
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else
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{
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if (ctl < 0x1D)
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{
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count = ctl + 1;
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}
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else if (0x1D == ctl)
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{
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count = input.ReadByte() + 0x1E;
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}
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else if (0x1E == ctl)
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{
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count = input.ReadByte() << 8;
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count |= input.ReadByte();
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count += 286;
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}
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else
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{
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count = input.ReadByte() << 24;
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count |= input.ReadByte() << 16;
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count |= input.ReadByte() << 8;
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count |= input.ReadByte();
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}
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count = Math.Min (count, output.Length-dst);
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input.Read (output, dst, count);
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}
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dst += count;
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}
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}
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void UnpackLz77 (Stream input, byte[] output)
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{
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int dst = 0;
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int mask = 0;
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int bits = 0;
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while (dst < output.Length)
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{
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mask >>= 1;
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if (0 == mask)
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{
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bits = input.ReadByte();
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if (-1 == bits)
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break;
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mask = 0x80;
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}
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if (0 != (bits & mask))
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{
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int count = input.ReadByte();
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int offset = input.ReadByte() << 4 | count >> 4;
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count = Math.Min ((count & 0xf) + 3, output.Length - dst);
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Binary.CopyOverlapped (output, dst-offset-1, dst, count);
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dst += count;
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}
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else
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{
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output[dst++] = (byte)input.ReadByte();
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}
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}
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}
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}
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}
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@ -425,8 +425,9 @@ X Change R<br/>
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X Change<br/>
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X Change 2<br/>
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X Change 2R<br/>
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Ryoujoku Gojuusou<br/>
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Eve to Iu Na no Omocha<br/>
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Hissatsu Chikannin II<br/>
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Ryoujoku Gojuusou<br/>
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Tokumei Sentai Sirenger<br/>
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Tokumei Sentai Yuzu Ranger<br/>
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</td></tr>
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@ -758,6 +759,9 @@ Ase Nure Shoujo Misaki "Anata no Nioi de Icchau!"<br/>
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<tr class="odd"><td>*.grp</td><td>-</td><td>No</td><td>Ankh</td><td>
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Mozu<br/>
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</td></tr>
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<tr><td>*.gpc</td><td><tt>Gpc7</tt></td><td>No</td><td>Super NekoX</td><td>
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Sister Contrast!
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</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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