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(PakOpener): archives version 4.

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morkt 2018-11-17 00:41:35 +04:00
parent 573b14d4c5
commit e302e0b574
1 changed files with 28 additions and 11 deletions
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39
ArcFormats/NitroPlus/ArcPAK.cs
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@ -2,7 +2,7 @@
//! \date Sat May 21 00:12:14 2016 //! \date Sat May 21 00:12:14 2016
//! \brief MAGI resource archive. //! \brief MAGI resource archive.
// //
// Copyright (C) 2016 by morkt // Copyright (C) 2016-2018 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
@ -42,8 +42,14 @@ namespace GameRes.Formats.Magi
public override bool IsHierarchic { get { return true; } } public override bool IsHierarchic { get { return true; } }
public override bool CanWrite { get { return false; } } public override bool CanWrite { get { return false; } }
public PakOpener ()
{
Signatures = new uint[] { 3, 4 };
}
public override ArcFile TryOpen (ArcView file) public override ArcFile TryOpen (ArcView file)
{ {
int version = file.View.ReadInt32 (0);
int count = file.View.ReadInt32 (4); int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count)) if (!IsSaneCount (count))
return null; return null;
@ -55,20 +61,31 @@ namespace GameRes.Formats.Magi
using (var mem = file.CreateStream (0x118, index_size)) using (var mem = file.CreateStream (0x118, index_size))
using (var z = new ZLibStream (mem, CompressionMode.Decompress)) using (var z = new ZLibStream (mem, CompressionMode.Decompress))
using (var index = new BinaryReader (z)) using (var index = new BinaryStream (z, file.Name))
{ {
var name_buffer = new byte[0x100];
var dir = new List<Entry> (count); var dir = new List<Entry> (count);
string cur_dir = "";
for (int i = 0; i < count; ++i) for (int i = 0; i < count; ++i)
{ {
int name_length = index.ReadInt32(); int name_length = index.ReadInt32();
if (name_length <= 0 || name_length > name_buffer.Length) if (name_length <= 0)
return null; return null;
if (name_length != index.Read (name_buffer, 0, name_length)) var name = index.ReadCString (name_length);
return null; if (version > 3)
var name = Encodings.cp932.GetString (name_buffer, 0, name_length); {
var entry = FormatCatalog.Instance.Create<PackedEntry> (name); bool is_dir = index.ReadInt32() != 0;
if (is_dir)
{
cur_dir = name;
index.ReadInt64();
index.ReadInt32();
index.ReadInt64();
continue;
}
if (cur_dir.Length > 0)
name = Path.Combine (cur_dir, name);
}
var entry = Create<PackedEntry> (name);
entry.Offset = index.ReadUInt32() + base_offset; entry.Offset = index.ReadUInt32() + base_offset;
entry.UnpackedSize = index.ReadUInt32(); entry.UnpackedSize = index.ReadUInt32();
index.ReadUInt32(); index.ReadUInt32();
@ -90,9 +107,9 @@ namespace GameRes.Formats.Magi
public override Stream OpenEntry (ArcFile arc, Entry entry) public override Stream OpenEntry (ArcFile arc, Entry entry)
{ {
Stream input = arc.File.CreateStream (entry.Offset, entry.Size); Stream input = arc.File.CreateStream (entry.Offset, entry.Size, entry.Name);
var pentry = entry as PackedEntry; var pentry = entry as PackedEntry;
if (null != pentry || pentry.IsPacked) if (null != pentry && pentry.IsPacked)
input = new ZLibStream (input, CompressionMode.Decompress); input = new ZLibStream (input, CompressionMode.Decompress);
return input; return input;
} }