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(NsaOpener): added rare variation of archive layout.
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parent
919ef22202
commit
e60d52c9fa
@ -86,11 +86,8 @@ namespace GameRes.Formats.ONScripter
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if (base_offset - cur_offset < 8)
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if (base_offset - cur_offset < 8)
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return null;
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return null;
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var entry = new Entry
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string name = Encodings.cp932.GetString (name_buffer, 0, name_len);
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{
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var entry = FormatCatalog.Instance.CreateEntry (name);
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Name = Encodings.cp932.GetString (name_buffer, 0, name_len),
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};
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entry.Type = FormatCatalog.Instance.GetTypeFromName (entry.Name);
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entry.Offset = Binary.BigEndian (file.View.ReadUInt32 (cur_offset)) + (long)base_offset;
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entry.Offset = Binary.BigEndian (file.View.ReadUInt32 (cur_offset)) + (long)base_offset;
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entry.Size = Binary.BigEndian (file.View.ReadUInt32 (cur_offset+4));
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entry.Size = Binary.BigEndian (file.View.ReadUInt32 (cur_offset+4));
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if (!entry.CheckPlacement (file.MaxOffset))
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if (!entry.CheckPlacement (file.MaxOffset))
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@ -189,16 +186,29 @@ namespace GameRes.Formats.ONScripter
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{
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{
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public override string Tag { get { return "NSA"; } }
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public override string Tag { get { return "NSA"; } }
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public NsaOpener ()
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{
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Extensions = new string[] { "nsa", "dat" };
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}
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public override ArcFile TryOpen (ArcView file)
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public override ArcFile TryOpen (ArcView file)
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{
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{
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int num_of_files = Binary.BigEndian (file.View.ReadInt16 (0));
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if (0 != file.View.ReadInt16 (0))
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return ReadIndex (file, 0);
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else
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return ReadIndex (file, 2);
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}
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private ArcFile ReadIndex (ArcView file, uint base_offset)
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{
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int num_of_files = Binary.BigEndian (file.View.ReadInt16 (base_offset));
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if (num_of_files <= 0)
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if (num_of_files <= 0)
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return null;
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return null;
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uint base_offset = Binary.BigEndian (file.View.ReadUInt32 (2));
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uint cur_offset = base_offset+6;
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base_offset += Binary.BigEndian (file.View.ReadUInt32 (base_offset+2));
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if (base_offset >= file.MaxOffset || base_offset < 15 * (uint)num_of_files)
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if (base_offset >= file.MaxOffset || base_offset < 15 * (uint)num_of_files)
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return null;
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return null;
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uint cur_offset = 6;
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var dir = new List<Entry>();
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var dir = new List<Entry>();
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for (int i = 0; i < num_of_files; ++i)
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for (int i = 0; i < num_of_files; ++i)
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{
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{
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@ -232,7 +242,6 @@ namespace GameRes.Formats.ONScripter
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case 4: entry.CompressionType = Compression.NBZ; break;
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case 4: entry.CompressionType = Compression.NBZ; break;
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default: entry.CompressionType = Compression.Unknown; break;
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default: entry.CompressionType = Compression.Unknown; break;
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}
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}
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// Trace.WriteLine (string.Format ("[{0}] {1}", entry.CompressionType, entry.Name));
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cur_offset += 13;
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cur_offset += 13;
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dir.Add (entry);
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dir.Add (entry);
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}
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}
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@ -354,7 +363,6 @@ namespace GameRes.Formats.ONScripter
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}
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}
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}
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}
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/*
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/*
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* ONScripter-EN decompression routines.
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* ONScripter-EN decompression routines.
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*
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*
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