lifegpc/GARbro-crskycode
1
0
Fork 0
mirror of https://github.com/crskycode/GARbro.git synced 2026-06-10 15:49:00 +08:00
Code Issues Packages Projects Releases Wiki Activity

implemented *.scr files decoding/encoding.

Browse Source
This commit is contained in:
morkt
2015-07-08 02:49:57 +04:00
parent 7dc62fd114
commit 55d98c5ec0
1 changed files with 56 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

67
ArcFormats/ArcWILL.cs
View File

@@ -1,8 +1,8 @@
//! \file ArcWILL.cs
//! \date Fri Oct 31 13:37:11 2014
//! \brief ARC archive format implementation.
//! \brief Will ARC archive format implementation.
//
// Copyright (C) 2014 by morkt
// Copyright (C) 2014-2015 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
@@ -109,6 +109,34 @@ namespace GameRes.Formats.Will
return dir;
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
if (!entry.Name.EndsWith (".scr", StringComparison.InvariantCultureIgnoreCase))
return arc.File.CreateStream (entry.Offset, entry.Size);
var data = new byte[entry.Size];
arc.File.View.Read (entry.Offset, data, 0, entry.Size);
DecodeScript (data);
return new MemoryStream (data);
}
private static void DecodeScript (byte[] data)
{
for (int i = 0; i < data.Length; ++i)
{
byte v = data[i];
data[i] = (byte)(v >> 2 | v << 6);
}
}
private static void EncodeScript (byte[] data)
{
for (int i = 0; i < data.Length; ++i)
{
byte v = data[i];
data[i] = (byte)(v << 2 | v >> 6);
}
}
public override ResourceOptions GetDefaultOptions ()
{
return new ArcOptions { NameLength = Settings.Default.ARCNameLength };
@@ -180,15 +208,10 @@ namespace GameRes.Formats.Will
if (null != callback)
callback (callback_count++, entry, arcStrings.MsgAddingFile);
entry.Offset = data_offset;
using (var input = File.OpenRead (entry.Name))
{
var size = input.Length;
if (size > uint.MaxValue || data_offset + size > uint.MaxValue)
throw new FileSizeException();
data_offset += size;
entry.Size = (uint)size;
input.CopyTo (output);
}
entry.Size = WriteEntry (entry.Name, output);
data_offset += entry.Size;
if (data_offset > uint.MaxValue)
throw new FileSizeException();
}
}
if (null != callback)
@@ -222,5 +245,27 @@ namespace GameRes.Formats.Will
}
}
}
private uint WriteEntry (string filename, Stream output)
{
if (!filename.EndsWith (".scr", StringComparison.InvariantCultureIgnoreCase))
{
using (var input = File.OpenRead (filename))
{
var size = input.Length;
if (size > uint.MaxValue)
throw new FileSizeException();
input.CopyTo (output);
return (uint)size;
}
}
else
{
var input = File.ReadAllBytes (filename);
EncodeScript (input);
output.Write (input, 0, input.Length);
return (uint)input.Length;
}
}
}
}