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(ALF): support non-compressed index.

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morkt 2018-09-23 03:55:18 +04:00
parent fc5a66e317
commit 270058d56c
1 changed files with 61 additions and 37 deletions
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92
ArcFormats/Eushully/ArcALF.cs
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@ -2,7 +2,7 @@
//! \date Sun Sep 20 13:58:52 2015 //! \date Sun Sep 20 13:58:52 2015
//! \brief Eushully and its subsidiaries resource archives. //! \brief Eushully and its subsidiaries resource archives.
// //
// Copyright (C) 2015 by morkt // Copyright (C) 2015-2018 by morkt
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
@ -41,6 +41,11 @@ namespace GameRes.Formats.Eushully
public override bool IsHierarchic { get { return false; } } public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } } public override bool CanWrite { get { return false; } }
public AlfOpener ()
{
ContainedFormats = new[] { "AGF", "WAV", "AOG/SYS3", "SCR" };
}
static string[] IndexNames = new string[] { "sys4ini.bin", "sys3ini.bin" }; static string[] IndexNames = new string[] { "sys4ini.bin", "sys3ini.bin" };
public override ArcFile TryOpen (ArcView file) public override ArcFile TryOpen (ArcView file)
@ -67,47 +72,30 @@ namespace GameRes.Formats.Eushully
List<Entry> ReadIndex (string ini_file, string arc_name) List<Entry> ReadIndex (string ini_file, string arc_name)
{ {
if (null == LastAccessedIndex if (null == LastAccessedIndex
|| !LastAccessedIndex.Item1.Equals (ini_file, StringComparison.InvariantCultureIgnoreCase)) || !LastAccessedIndex.Item1.Equals (ini_file, StringComparison.OrdinalIgnoreCase))
{ {
LastAccessedIndex = null; LastAccessedIndex = null;
using (var ini = VFS.OpenView (ini_file)) using (var ini = VFS.OpenView (ini_file))
{ {
if (!ini.View.AsciiEqual (0, "S4IC") && !ini.View.AsciiEqual (0, "S3IC")) IBinaryStream index;
return null; if (ini.View.AsciiEqual (0, "S4IC") || ini.View.AsciiEqual (0, "S3IC"))
{
uint packed_size = ini.View.ReadUInt32 (0x134); uint packed_size = ini.View.ReadUInt32 (0x134);
using (var packed = ini.CreateStream (0x138, packed_size)) var packed = ini.CreateStream (0x138, packed_size);
using (var unpacked = new LzssStream (packed)) var unpacked = new LzssStream (packed);
using (var index = new BinaryReader (unpacked)) index = new BinaryStream (unpacked, ini_file);
{
int arc_count = index.ReadInt32();
var name_buf = new byte[0x100];
var file_table = new Dictionary<string, List<Entry>> (arc_count, StringComparer.InvariantCultureIgnoreCase);
var arc_list = new List<List<Entry>> (arc_count);
for (int i = 0; i < arc_count; ++i)
{
index.Read (name_buf, 0, name_buf.Length);
var file_list = new List<Entry>();
file_table.Add (Binary.GetCString (name_buf, 0, name_buf.Length), file_list);
arc_list.Add (file_list);
} }
int file_count = index.ReadInt32(); else if (ini.View.AsciiEqual (0, "S3IN"))
for (int i = 0; i < file_count; ++i)
{ {
index.Read (name_buf, 0, 0x40); index = ini.CreateStream (0x12C);
int arc_id = index.ReadInt32(); }
if (arc_id < 0 || arc_id >= arc_list.Count) else
return null;
using (index)
{
var file_table = ReadSysIni (index);
if (null == file_table)
return null; return null;
index.ReadInt32(); // file number
uint offset = index.ReadUInt32();
uint size = index.ReadUInt32();
var name = Binary.GetCString (name_buf, 0, 0x40);
if ("@" == name)
continue;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = offset;
entry.Size = size;
arc_list[arc_id].Add (entry);
}
LastAccessedIndex = Tuple.Create (ini_file, file_table); LastAccessedIndex = Tuple.Create (ini_file, file_table);
} }
} }
@ -116,5 +104,41 @@ namespace GameRes.Formats.Eushully
LastAccessedIndex.Item2.TryGetValue (arc_name, out dir); LastAccessedIndex.Item2.TryGetValue (arc_name, out dir);
return dir; return dir;
} }
internal Dictionary<string, List<Entry>> ReadSysIni (IBinaryStream index)
{
int arc_count = index.ReadInt32();
if (!IsSaneCount (arc_count))
return null;
var file_table = new Dictionary<string, List<Entry>> (arc_count, StringComparer.OrdinalIgnoreCase);
var arc_list = new List<Entry>[arc_count];
for (int i = 0; i < arc_count; ++i)
{
var name = index.ReadCString (0x100);
var file_list = new List<Entry>();
file_table.Add (name, file_list);
arc_list[i] = file_list;
}
int file_count = index.ReadInt32();
if (!IsSaneCount (file_count))
return null;
for (int i = 0; i < file_count; ++i)
{
var name = index.ReadCString (0x40);
int arc_id = index.ReadInt32();
if (arc_id < 0 || arc_id >= arc_list.Length)
return null;
index.ReadInt32(); // file number
uint offset = index.ReadUInt32();
uint size = index.ReadUInt32();
if ("@" == name)
continue;
var entry = Create<Entry> (name);
entry.Offset = offset;
entry.Size = size;
arc_list[arc_id].Add (entry);
}
return file_table;
}
} }
} }