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Pack: clean... (Part 2)

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R-YaTian 2023-04-13 10:42:14 +08:00 committed by GitHub
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Plugins/Pack/Pack/ALAR.cs
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// ----------------------------------------------------------------------
// <copyright file="ALAR.cs" company="none">
// Copyright (C) 2012
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// </copyright>
// <author>pleoNeX, Daviex94</author>
// <email>benito356@gmail.com</email>
// <date>06/07/2012 1:03:49</date>
// -----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;
using Ekona;
namespace Pack
{
/// <summary>
/// Specification from: http://jumpstars.wikispaces.com/File+Formats
/// </summary>
public static class ALAR
{
public static sFolder Unpack(sFile file)
{
BinaryReader br = new BinaryReader(File.OpenRead(file.path));
br.BaseStream.Position = 4;
byte type = br.ReadByte();
br.Close();
if (type == 0x02)
return Unpack_Type2(file);
return new sFolder();
}
public static sFolder Unpack_Type2(sFile file)
{
BinaryReader br = new BinaryReader(File.OpenRead(file.path));
sFolder unpacked = new sFolder();
unpacked.files = new List<sFile>();
// Read the header file
char[] header = br.ReadChars(4);
byte type = br.ReadByte();
byte unk = br.ReadByte();
ushort num_files = br.ReadUInt16();
byte[] ids = new byte[8];
for (int i = 0; i < 8; i++)
ids[i] = br.ReadByte();
// Index table
uint name_offset = (uint)(0x10 + num_files * 0x10);
for (int i = 0; i < num_files; i++)
{
uint unk1 = br.ReadUInt32();
sFile cfile = new sFile();
cfile.path = file.path;
cfile.offset = br.ReadUInt32();
cfile.size = br.ReadUInt32();
uint unk2 = br.ReadUInt32();
long curpos = br.BaseStream.Position;
br.BaseStream.Position = name_offset + 2;
cfile.name = new String(Encoding.GetEncoding("shift_jis").GetChars(br.ReadBytes(0x20))).Replace("\0", "");
name_offset += cfile.size + 0x24;
br.BaseStream.Position = curpos;
unpacked.files.Add(cfile);
}
br.Close();
return unpacked;
}
}
}