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implemented 'pf2' archives.

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This commit is contained in:
morkt 2017-03-27 08:19:52 +04:00
parent aeff1b48e4
commit 32a018fd7c
1 changed files with 36 additions and 3 deletions
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39
ArcFormats/Artemis/ArcPFS.cs
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@ -2,7 +2,7 @@
//! \date Tue Dec 27 22:27:58 2016 //! \date Tue Dec 27 22:27:58 2016
//! \brief Artemis engine resource archive. //! \brief Artemis engine resource archive.
// //
// Copyright (C) 2016 by morkt // Copyright (C) 2016-2017 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
@ -50,8 +50,16 @@ namespace GameRes.Formats.Artemis
if (!file.View.AsciiEqual (0, "pf")) if (!file.View.AsciiEqual (0, "pf"))
return null; return null;
int version = file.View.ReadByte (2) - '0'; int version = file.View.ReadByte (2) - '0';
if (8 != version) switch (version)
return null; {
case 8: return OpenPf8 (file);
case 2: return OpenPf2 (file);
default: return null;
}
}
ArcFile OpenPf8 (ArcView file)
{
uint index_size = file.View.ReadUInt32 (3); uint index_size = file.View.ReadUInt32 (3);
int count = file.View.ReadInt32 (7); int count = file.View.ReadInt32 (7);
if (!IsSaneCount (count) || 7L + index_size > file.MaxOffset) if (!IsSaneCount (count) || 7L + index_size > file.MaxOffset)
@ -80,6 +88,31 @@ namespace GameRes.Formats.Artemis
} }
} }
ArcFile OpenPf2 (ArcView file)
{
uint index_size = file.View.ReadUInt32 (3);
int count = file.View.ReadInt32 (0xB);
if (!IsSaneCount (count) || 7L + index_size > file.MaxOffset)
return null;
var index = file.View.ReadBytes (7, index_size);
int index_offset = 8;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
int name_length = index.ToInt32 (index_offset);
var name = Encodings.cp932.GetString (index, index_offset+4, name_length);
index_offset += name_length + 0x10;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = index.ToUInt32 (index_offset);
entry.Size = index.ToUInt32 (index_offset+4);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
index_offset += 8;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry) public override Stream OpenEntry (ArcFile arc, Entry entry)
{ {
var parc = arc as PfsArchive; var parc = arc as PfsArchive;