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feat: support AGES mkII archive and audio

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TODO: epk decrypt, raw PCM support
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scientificworld
2026-01-19 15:12:35 +08:00
parent 87195d8673
commit 8c2746084b
5 changed files with 197 additions and 0 deletions
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3
ArcFormats/ArcFormats.csproj
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@@ -139,6 +139,8 @@
<Compile Include="AdvSys\ImageGWD.cs" />
<Compile Include="Ail\ArcLNK2.cs" />
<Compile Include="AIRNovel\ArcAIR.cs" />
<Compile Include="aNCHOR\ArcFPD.cs" />
<Compile Include="aNCHOR\AudioFCD.cs" />
<Compile Include="Artemis\ImageNekoPNG.cs" />
<Compile Include="CsWare\AudioWAV.cs" />
<Compile Include="CsWare\ImageGDT.cs" />
@@ -1091,6 +1093,7 @@
<Compile Include="KiriKiri\KiriKiriCx.cs" />
<Compile Include="KogadoCocotte.cs" />
<Compile Include="AudioOGG.cs" />
<Compile Include="aPLibStream.cs" />
<Compile Include="LzssStream.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="Properties\Settings.Designer.cs">

BIN
ArcFormats/Resources/Formats.dat
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134
ArcFormats/aNCHOR/ArcFPD.cs Normal file
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@@ -0,0 +1,134 @@
//! \file ArcFPD.cs
//! \date 2026-01-19
//! \brief AGES Mk2 resource archive.
//
// Copyright (C) 2026 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;
using System.Text;
using GameRes.Compression;
using GameRes.Utility;
namespace GameRes.Formats.Anchor {
internal class FpdArchive : ArcFile {
public readonly byte[] Key;
public FpdArchive(ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, byte[] key) : base (arc, impl, dir) {
Key = key;
}
}
[Export(typeof(ArchiveFormat))]
public class FpdOpener : ArchiveFormat {
public override string Tag { get { return "FPD"; } }
public override string Description { get { return "AGES Mk2 resource archive"; } }
public override uint Signature { get { return 0x00445046; } } // 'FPD\x00'
public override bool IsHierarchic { get { return true; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen(ArcView file) {
int version = Binary.BigEndian(file.View.ReadInt32(4));
if (version != 2)
return null;
int count = (int)Binary.BigEndian(file.View.ReadInt64(8));
if (!IsSaneCount(count))
return null;
long data_start = Binary.BigEndian(file.View.ReadInt64(0x10));
long offset = 0x38;
if (data_start < count * 32 + offset)
return null;
uint index_size = (uint)(data_start - offset);
var key = QueryKey();
var dir = new List<Entry>(count);
using (var input = file.CreateStream(offset, (uint)(data_start - offset)))
using (var decrypted = new ByteStringEncryptedStream(input, key))
using (var reader = new BinaryReader(decrypted)) {
var name_offsets = new List<long>(count);
for (int i = 0; i < count; i++) {
long name_offset = Binary.BigEndian(reader.ReadInt64());
long data_offset = Binary.BigEndian(reader.ReadInt64());
long size = Binary.BigEndian(reader.ReadInt64());
long unpacked_size = Binary.BigEndian(reader.ReadInt64());
var entry = new PackedEntry {
Offset = data_start + data_offset,
Size = (uint)size,
UnpackedSize = (uint)unpacked_size,
IsPacked = unpacked_size != 0
};
if (!entry.CheckPlacement(file.MaxOffset))
return null;
dir.Add(entry);
name_offsets.Add(name_offset);
}
var name_block = reader.ReadBytes((int)(data_start - offset - count * 32));
using (var mem = new MemoryStream(name_block))
using (var stream = new ZLibStream(mem, CompressionMode.Decompress))
using (var output = new MemoryStream()) {
stream.CopyTo(output);
var names = output.ToArray();
for (int i = 0; i < count; i++) {
dir[i].Name = Binary.GetCString(names, (int)name_offsets[i], Encoding.UTF8);
dir[i].Type = FormatCatalog.Instance.GetTypeFromName(dir[i].Name);
}
}
return new FpdArchive(file, this, dir, key);
}
}
public override Stream OpenEntry(ArcFile arc, Entry entry) {
var farc = arc as FpdArchive;
var pent = entry as PackedEntry;
var input = farc.File.CreateStream(entry.Offset, entry.Size);
var decrypted = new ByteStringEncryptedStream(input, farc.Key);
if (pent.IsPacked)
return new ZLibStream(decrypted, CompressionMode.Decompress);
else
return decrypted;
// TODO: epk decryption
}
byte[] QueryKey() {
return DefaultScheme.ArchiveKey;
}
FpdScheme DefaultScheme = new FpdScheme();
public override ResourceScheme Scheme {
get { return DefaultScheme; }
set { DefaultScheme = (FpdScheme)value; }
}
}
[Serializable]
public class FpdScheme : ResourceScheme {
public byte[] ArchiveKey;
public byte[] EpkKey;
}
}

55
ArcFormats/aNCHOR/AudioFCD.cs Normal file
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@@ -0,0 +1,55 @@
//! \file AudioFCD.cs
//! \date 2026-01-19
//! \brief AGES Mk2 audio format.
//
// Copyright (C) 2026 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.ComponentModel.Composition;
using System.IO;
using System.Linq;
namespace GameRes.Formats.Anchor
{
[Export(typeof(AudioFormat))]
public class FcdAudio : AudioFormat
{
public override string Tag { get { return "FCD"; } }
public override string Description { get { return "AGES Mk2 audio format"; } }
public override uint Signature { get { return 0x00444346; } } // 'FCD\x00'
public FcdAudio ()
{
Extensions = new string[] { "fcd" };
}
public override SoundInput TryOpen (IBinaryStream file)
{
file.Position = 4;
// guess: big endian, version=2, type=0 (ogg), offset=0xC
byte[] data = { 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x4F, 0x67, 0x67, 0x53 };
if (!file.ReadBytes (0x0C).SequenceEqual (data))
throw new NotSupportedException();
return new OggInput (new StreamRegion (file.AsStream, 0x0C));
}
}
}

5
GameRes/Utility.cs
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@@ -113,6 +113,11 @@ namespace GameRes.Utility
return GetCString (data, index, length_limit, Encodings.cp932);
}
public static string GetCString (byte[] data, int index, Encoding enc)
{
return GetCString (data, index, data.Length - index, enc);
}
public static string GetCString (byte[] data, int index)
{
return GetCString (data, index, data.Length - index, Encodings.cp932);