From 6b77284713996f7a2887991392b3d5181ca622e6 Mon Sep 17 00:00:00 2001 From: morkt Date: Mon, 19 Oct 2015 09:04:24 +0400 Subject: [PATCH] (PakOpener): decrypt script files. --- ArcFormats/Cherry/ArcCherry.cs | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/ArcFormats/Cherry/ArcCherry.cs b/ArcFormats/Cherry/ArcCherry.cs index 6876a00f..72edde0d 100644 --- a/ArcFormats/Cherry/ArcCherry.cs +++ b/ArcFormats/Cherry/ArcCherry.cs @@ -36,7 +36,7 @@ namespace GameRes.Formats.Cherry public class PakOpener : ArchiveFormat { public override string Tag { get { return "PAK/CHERRY"; } } - public override string Description { get { return "Cherry Soft resource archive"; } } + public override string Description { get { return "Cherry Soft PACK resource archive"; } } public override uint Signature { get { return 0x52454843; } } // 'CHER' public override bool IsHierarchic { get { return false; } } public override bool CanCreate { get { return false; } } @@ -90,5 +90,23 @@ namespace GameRes.Formats.Cherry } return new ArcFile (file, this, dir); } + + public override Stream OpenEntry (ArcFile arc, Entry entry) + { + if (!arc.File.View.AsciiEqual (entry.Offset, "GsWIN SC File")) + return arc.File.CreateStream (entry.Offset, entry.Size); + var text_offset = 0x68 + arc.File.View.ReadUInt32 (entry.Offset+0x5C); + var text_size = arc.File.View.ReadUInt32 (entry.Offset+0x60); + if (0 == text_size || text_offset+text_size > entry.Size) + return arc.File.CreateStream (entry.Offset, entry.Size); + + var data = new byte[entry.Size]; + arc.File.View.Read (entry.Offset, data, 0, entry.Size); + for (uint i = 0; i < text_size; ++i) + { + data[text_offset+i] ^= (byte)i; + } + return new MemoryStream (data); + } } }