mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-12 22:36:58 +08:00
264 lines
11 KiB
C#
264 lines
11 KiB
C#
//! \file ArcBOX.cs
|
|
//! \date Sun Jan 17 14:45:34 2016
|
|
//! \brief Aoi engine event script 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.Collections.Generic;
|
|
using System.ComponentModel.Composition;
|
|
using System.IO;
|
|
using System.Security.Cryptography;
|
|
using System.Text;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.Aoi
|
|
{
|
|
internal class BoxArchive : ArcFile
|
|
{
|
|
public readonly byte Key;
|
|
|
|
public BoxArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, byte key)
|
|
: base (arc, impl, dir)
|
|
{
|
|
Key = key;
|
|
}
|
|
}
|
|
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class BoxOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "BOX"; } }
|
|
public override string Description { get { return "Aoi engine script archive"; } }
|
|
public override uint Signature { get { return 0x42494F41; } } // 'AOIB'
|
|
public override bool IsHierarchic { get { return false; } }
|
|
public override bool CanWrite { get { return false; } }
|
|
|
|
static readonly Dictionary<int, byte> VersionKeyMap = new Dictionary<int, byte> {
|
|
{ 4, 0xAD },
|
|
{ 5, 0xAD },
|
|
{ 6, 0xB4 },
|
|
{ 7, 0xB4 },
|
|
{ 10, 0xB2 },
|
|
{ 12, 0xA5 },
|
|
};
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
int version;
|
|
if (file.View.AsciiEqual (4, "X10"))
|
|
version = 10;
|
|
else if (file.View.AsciiEqual (4, "X12"))
|
|
version = 12;
|
|
else if (file.View.AsciiEqual (4, "OX7\0"))
|
|
version = 7;
|
|
else if (file.View.AsciiEqual (4, "OX6\0"))
|
|
version = 6;
|
|
else if (file.View.AsciiEqual (4, "OX5 "))
|
|
version = 5;
|
|
else if (file.View.AsciiEqual (4, "OX4 "))
|
|
version = 4;
|
|
else
|
|
return null;
|
|
int count = file.View.ReadInt32 (8);
|
|
if (!IsSaneCount (count))
|
|
return null;
|
|
List<Entry> dir;
|
|
if (version > 5)
|
|
dir = ReadIndexV6 (file, count);
|
|
else
|
|
dir = ReadIndexV5 (file, count);
|
|
if (null == dir)
|
|
return null;
|
|
return new BoxArchive (file, this, dir, VersionKeyMap[version]);
|
|
}
|
|
|
|
List<Entry> ReadIndexV6 (ArcView file, int count)
|
|
{
|
|
int index_offset = 0x10;
|
|
var dir = new List<Entry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
var entry = new Entry {
|
|
Name = file.View.ReadString (index_offset, 0x10),
|
|
Type = "script",
|
|
Offset = file.View.ReadUInt32 (index_offset+0x10),
|
|
Size = file.View.ReadUInt32 (index_offset+0x14),
|
|
};
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
|
return null;
|
|
dir.Add (entry);
|
|
index_offset += 0x18;
|
|
}
|
|
return dir;
|
|
}
|
|
|
|
List<Entry> ReadIndexV5 (ArcView file, int count)
|
|
{
|
|
var base_name = Path.GetFileNameWithoutExtension (file.Name);
|
|
int index_offset = 0xC;
|
|
uint next_offset = file.View.ReadUInt32 (index_offset);
|
|
var dir = new List<Entry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
index_offset += 4;
|
|
var entry = new Entry {
|
|
Name = string.Format ("{0}#{1:D2}.evt", base_name, i),
|
|
Type = "script",
|
|
Offset = next_offset,
|
|
};
|
|
next_offset = i+1 == count ? (uint)file.MaxOffset : file.View.ReadUInt32 (index_offset);
|
|
entry.Size = next_offset - (uint)entry.Offset;
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
|
return null;
|
|
dir.Add (entry);
|
|
}
|
|
return dir;
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
var input = arc.File.CreateStream (entry.Offset, entry.Size);
|
|
var barc = arc as BoxArchive;
|
|
if (null == barc)
|
|
return input;
|
|
return new XoredStream (input, barc.Key);
|
|
}
|
|
}
|
|
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class AoiMyOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "AOIMY"; } }
|
|
public override string Description { get { return "Aoi engine script archive"; } }
|
|
public override uint Signature { get { return 0x4D494F41; } } // 'AOIM'
|
|
public override bool IsHierarchic { get { return false; } }
|
|
public override bool CanWrite { get { return false; } }
|
|
|
|
public AoiMyOpener ()
|
|
{
|
|
Extensions = new string[] { "box" };
|
|
}
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
if (!file.View.AsciiEqual (4, "Y01\0"))
|
|
return null;
|
|
int count = Binary.BigEndian (file.View.ReadInt32 (8));
|
|
if (!IsSaneCount (count))
|
|
return null;
|
|
int index_offset = 0x10;
|
|
var dir = new List<Entry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
var entry = new Entry {
|
|
Name = file.View.ReadString (index_offset, 0x10),
|
|
Type = "script",
|
|
Offset = Binary.BigEndian (file.View.ReadUInt32 (index_offset+0x10)),
|
|
Size = Binary.BigEndian (file.View.ReadUInt32 (index_offset+0x14)),
|
|
};
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
|
return null;
|
|
dir.Add (entry);
|
|
index_offset += 0x18;
|
|
}
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
var data = arc.File.View.ReadBytes (entry.Offset, entry.Size);
|
|
uint offset = (uint)entry.Offset;
|
|
for (int i = 0; i < data.Length; ++i)
|
|
{
|
|
data[i] ^= KeyFromOffset (offset++);
|
|
}
|
|
return new BinMemoryStream (data, entry.Name);
|
|
}
|
|
|
|
static byte KeyFromOffset (uint offset)
|
|
{
|
|
uint v1 = offset - 0x5CC8E9D7u + (0xA3371629u >> (int)((offset & 0xF) + 1)) - (0x5CC8E9D7u << (int)(31 - (offset & 0xF)));
|
|
|
|
uint v3 = v1 << (int)(31 - ((offset >> 4) & 0xF));
|
|
uint v4 = v1 >> (int)(((offset >> 4) & 0xF) + 1);
|
|
uint v5 = offset - 0x5CC8E9D7
|
|
+ ((offset - 0x5CC8E9D7u + v3 + v4) << (int)(31 - ((offset >> 8) & 0xF)))
|
|
+ ((offset - 0x5CC8E9D7u + v3 + v4) >> (int)(((offset >> 8) & 0xF) + 1));
|
|
uint v6 = offset - 0x5CC8E9D7u
|
|
+ (v5 << (int)(31 - ((offset >> 12) & 0xF))) + (v5 >> (int)(((offset >> 12) & 0xF) + 1));
|
|
uint v7 = offset - 0x5CC8E9D7u
|
|
+ (v6 << (int)(31 - ((offset >> 16) & 0xF))) + (v6 >> (int)(((offset >> 16) & 0xF) + 1));
|
|
int v8 = (int)(offset >> 20) & 0xF;
|
|
uint v9 = offset - 0x5CC8E9D7u
|
|
+ ((offset - 0x5CC8E9D7u + (v7 << (31 - v8)) + (v7 >> (v8 + 1))) << (int)(31 - ((offset >> 24) & 0xF)))
|
|
+ ((offset - 0x5CC8E9D7u + (v7 << (31 - v8)) + (v7 >> (v8 + 1))) >> (int)(((offset >> 24) & 0xF) + 1));
|
|
uint key = (offset - 0x5CC8E9D7 + (v9 << (int)(31 - (offset >> 28))) + (v9 >> (int)((offset >> 28) + 1))) >> (int)(offset & 0xF);
|
|
return (byte)key;
|
|
}
|
|
}
|
|
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class AoiMyUnicodeOpener : AoiMyOpener
|
|
{
|
|
public override string Tag { get { return "AOIMY/UNICODE"; } }
|
|
public override string Description { get { return "Aoi engine script archive"; } }
|
|
public override uint Signature { get { return 0x004F0041; } } // 'A O '
|
|
public override bool IsHierarchic { get { return false; } }
|
|
public override bool CanWrite { get { return false; } }
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
var name_buffer = new byte[0x20];
|
|
file.View.Read (0, name_buffer, 0, 0x16);
|
|
if ("AOIMY01\0" != Encoding.Unicode.GetString (name_buffer, 0, 0x10))
|
|
return null;
|
|
int count = Binary.BigEndian (file.View.ReadInt32 (0x10));
|
|
if (!IsSaneCount (count))
|
|
return null;
|
|
int index_offset = 0x18;
|
|
var dir = new List<Entry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
if (0x20 != file.View.Read (index_offset, name_buffer, 0, 0x20))
|
|
return null;
|
|
int n;
|
|
for (n = 0; n < name_buffer.Length; n += 2)
|
|
if (0 == name_buffer[n] && 0 == name_buffer[n+1])
|
|
break;
|
|
if (0 == n)
|
|
return null;
|
|
var entry = new Entry {
|
|
Name = Encoding.Unicode.GetString (name_buffer, 0, n),
|
|
Type = "script",
|
|
Offset = Binary.BigEndian (file.View.ReadUInt32 (index_offset+0x20)),
|
|
Size = Binary.BigEndian (file.View.ReadUInt32 (index_offset+0x24)),
|
|
};
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
|
return null;
|
|
dir.Add (entry);
|
|
index_offset += 0x28;
|
|
}
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
}
|
|
}
|