208 lines
7.9 KiB
C#

//! \file ArcHED.cs
//! \date Fri Jul 31 19:51:15 2015
//! \brief elf AV king archive.
//
// Copyright (C) 2015 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 System.Text.RegularExpressions;
using GameRes.Utility;
namespace GameRes.Formats.Elf
{
[Export(typeof(ArchiveFormat))]
public class PakOpener : ArchiveFormat
{
public override string Tag { get { return "BIN/HED"; } }
public override string Description { get { return "elf AV King resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return true; } }
public override bool CanCreate { get { return false; } }
public PakOpener ()
{
Extensions = new string[] { "bin" };
}
public override ArcFile TryOpen (ArcView file)
{
string pak_name = Path.ChangeExtension (file.Name, "pak");
if (pak_name == file.Name || !File.Exists (pak_name))
return null;
var file_map = GetFileMap (pak_name);
if (null == file_map)
return null;
string base_name = Path.GetFileNameWithoutExtension (pak_name);
using (var pak = new ArcView (pak_name))
{
if (0x00646568 != pak.View.ReadUInt32 (0))
return null;
int count = pak.View.ReadInt32 (4);
if (count != file_map.Count)
return null;
List<Entry> dir;
if ("cg" == base_name)
dir = ReadCgPak (pak, file, file_map);
else
dir = ReadVoicePak (pak, file, file_map);
if (null == dir)
return null;
return new ArcFile (file, this, dir);
}
}
List<Entry> ReadCgPak (ArcView pak, ArcView bin, List<string> file_map)
{
uint index_offset = 8;
uint index_size = (uint)file_map.Count * 8u;
if (index_size > pak.View.Reserve (index_offset, index_size))
return null;
var dir = new List<Entry> (file_map.Count);
for (int i = 0; i < file_map.Count; ++i)
{
var entry = FormatCatalog.Instance.CreateEntry (file_map[i]);
entry.Offset = pak.View.ReadUInt32 (index_offset);
entry.Size = pak.View.ReadUInt32 (index_offset + 4);
if (!entry.CheckPlacement (bin.MaxOffset))
return null;
dir.Add (entry);
index_offset += 8;
}
return dir;
}
List<Entry> ReadVoicePak (ArcView pak, ArcView bin, List<string> file_map)
{
uint index_offset = 8;
uint index_size = (uint)file_map.Count * 0x18u;
if (index_size > pak.View.Reserve (index_offset, index_size))
return null;
var dir = new List<Entry> (file_map.Count);
for (int i = 0; i < file_map.Count; ++i)
{
var entry = FormatCatalog.Instance.CreateEntry (file_map[i]);
entry.Offset = pak.View.ReadUInt32 (index_offset);
entry.Size = pak.View.ReadUInt32 (index_offset + 4);
if (!entry.CheckPlacement (bin.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x18;
}
return dir;
}
private List<string> CgMap { get; set; }
private List<string> VoiceMap { get; set; }
private string CurrentMapName { get; set; }
private List<string> GetFileMap (string pak_name, string map_name = "avking.map")
{
string base_name = Path.GetFileNameWithoutExtension (pak_name);
List<string> map;
if ("cg" == base_name)
map = CgMap;
else if ("voice" == base_name)
map = VoiceMap;
else
return null;
if (null != map && File.Exists (CurrentMapName))
return map;
CgMap = null;
VoiceMap = null;
string dir_name = Path.GetDirectoryName (pak_name);
if (string.IsNullOrEmpty (dir_name))
dir_name = ".";
while (!string.IsNullOrEmpty (dir_name))
{
string map_file = Path.Combine (dir_name, map_name);
if (File.Exists (map_file))
{
if (!ReadMap (map_file))
return null;
CurrentMapName = map_file;
if ("cg" == base_name)
return CgMap;
if ("voice" == base_name)
return VoiceMap;
}
dir_name = Path.GetDirectoryName (dir_name);
}
return null;
}
static readonly Regex FilesTypeRe = new Regex (@"^//([A-Z]+) FILES = (\d+)");
private bool ReadMap (string map_file)
{
try
{
using (var map = File.OpenRead (map_file))
using (var input = new StreamReader (map, Encoding.ASCII))
{
var cg = new List<string>();
var voice = new List<string>();
List<string> current_list = null;
for (;;)
{
string line = input.ReadLine();
if (null == line)
break;
var match = FilesTypeRe.Match (line);
if (!match.Success)
return false;
string type = match.Groups[1].Value;
if ("BG" == type || "CHR" == type)
current_list = cg;
else if ("VOICE" == type)
current_list = voice;
else
current_list = null;
int count = UInt16.Parse (match.Groups[2].Value);
for (int i = 0; i < count; ++i)
{
line = input.ReadLine();
if (null == line)
break;
if (null != current_list)
current_list.Add (line.TrimEnd ('\0'));
}
}
CgMap = cg;
VoiceMap = voice;
return cg.Count > 0 || voice.Count > 0;
}
}
catch
{
return false;
}
}
}
}