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285 lines
12 KiB
C#
285 lines
12 KiB
C#
//! \file ArcXFL.cs
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//! \date Mon Jun 30 21:18:29 2014
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//! \brief XFL resource format implementation.
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//
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// Copyright (C) 2014-2016 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.IO;
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using System.Text;
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using System.Linq;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using GameRes.Formats.Strings;
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namespace GameRes.Formats.Liar
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{
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[Export(typeof(ArchiveFormat))]
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public class XflOpener : ArchiveFormat
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{
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public override string Tag { get { return "XFL"; } }
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public override string Description { get { return Strings.arcStrings.XFLDescription; } }
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public override uint Signature { get { return 0x0001424c; } }
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public override bool IsHierarchic { get { return true; } }
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public override bool CanWrite { get { return true; } }
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public override ArcFile TryOpen (ArcView file)
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{
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var dir = ReadDirectory (file, 0, file.MaxOffset, "");
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if (dir != null)
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return new ArcFile (file, this, dir);
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else
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return null;
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}
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internal List<Entry> ReadDirectory (ArcView file, long base_offset, long max_offset, string base_dir)
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{
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uint dir_size = file.View.ReadUInt32 (base_offset+4);
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int count = file.View.ReadInt32 (base_offset+8);
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if (!IsSaneCount (count))
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return null;
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long data_offset = base_offset + dir_size + 12;
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if (dir_size >= max_offset || data_offset >= max_offset)
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return null;
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file.View.Reserve (base_offset, (uint)(data_offset - base_offset));
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long cur_offset = base_offset + 12;
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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if (cur_offset+40 > data_offset)
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return null;
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string name = file.View.ReadString (cur_offset, 32);
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var entry_offset = data_offset + file.View.ReadUInt32 (cur_offset+32);
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var entry_size = file.View.ReadUInt32 (cur_offset+36);
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List<Entry> subdir = null;
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name = VFS.CombinePath (base_dir, name);
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if (name.HasExtension (".xfl") && file.View.ReadUInt32 (entry_offset) == Signature)
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{
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subdir = ReadDirectory (file, entry_offset, entry_offset + entry_size, name);
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}
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if (subdir != null && subdir.Count > 0)
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{
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dir.AddRange (subdir);
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}
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else
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{
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var entry = FormatCatalog.Instance.Create<Entry> (name);
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entry.Offset = entry_offset;
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entry.Size = entry_size;
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if (!entry.CheckPlacement (max_offset))
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return null;
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dir.Add (entry);
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}
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cur_offset += 40;
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}
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return dir;
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}
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public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
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EntryCallback callback)
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{
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using (var writer = new BinaryWriter (output, Encoding.ASCII, true))
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{
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writer.Write (Signature);
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int list_size = list.Count();
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uint dir_size = (uint)(list_size * 40);
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writer.Write (dir_size);
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writer.Write (list_size);
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var encoding = Encodings.cp932.WithFatalFallback();
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byte[] name_buf = new byte[32];
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int callback_count = 0;
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if (null != callback)
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callback (callback_count++, null, arcStrings.MsgWritingIndex);
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// first, write names only
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foreach (var entry in list)
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{
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string name = Path.GetFileName (entry.Name);
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try
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{
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int size = encoding.GetBytes (name, 0, name.Length, name_buf, 0);
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if (size < name_buf.Length)
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name_buf[size] = 0;
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}
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catch (EncoderFallbackException X)
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{
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throw new InvalidFileName (entry.Name, arcStrings.MsgIllegalCharacters, X);
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}
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catch (ArgumentException X)
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{
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throw new InvalidFileName (entry.Name, arcStrings.MsgFileNameTooLong, X);
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}
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writer.Write (name_buf);
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writer.BaseStream.Seek (8, SeekOrigin.Current);
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}
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// now, write files and remember offset/sizes
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uint current_offset = 0;
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foreach (var entry in list)
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{
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if (null != callback)
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callback (callback_count++, entry, arcStrings.MsgAddingFile);
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entry.Offset = current_offset;
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using (var input = File.Open (entry.Name, FileMode.Open, FileAccess.Read))
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{
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var size = input.Length;
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if (size > uint.MaxValue || current_offset + size > uint.MaxValue)
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throw new FileSizeException();
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current_offset += (uint)size;
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entry.Size = (uint)size;
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input.CopyTo (output);
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}
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}
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if (null != callback)
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callback (callback_count++, null, arcStrings.MsgUpdatingIndex);
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// at last, go back to directory and write offset/sizes
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long dir_offset = 12+32;
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foreach (var entry in list)
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{
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writer.BaseStream.Position = dir_offset;
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writer.Write ((uint)entry.Offset);
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writer.Write (entry.Size);
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dir_offset += 40;
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}
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}
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}
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}
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public class GscScriptData : ScriptData
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{
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public byte[] Header;
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public byte[] Code;
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public byte[] Footer;
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}
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//[Export(typeof(ScriptFormat))]
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public class GscFormat : GenericScriptFormat
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{
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public override string Tag { get { return "GSC"; } }
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public override string Description { get { return Strings.arcStrings.GSCDescription; } }
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public override uint Signature { get { return 0; } }
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public override ScriptData Read (string name, Stream stream)
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{
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using (var file = new BinaryReader (stream, Encodings.cp932, true))
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{
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uint signature = file.ReadUInt32();
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if (signature != file.BaseStream.Length)
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return null;
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uint header_size = file.ReadUInt32();
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if (header_size > 0x24 || header_size < 0x14)
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return null;
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uint code_size = file.ReadUInt32();
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uint text_index_size = file.ReadUInt32();
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uint text_size = file.ReadUInt32();
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byte[] header_data = file.ReadBytes ((int)header_size-0x14);
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byte[] code = file.ReadBytes ((int)code_size);
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uint[] index = new uint[text_index_size/4];
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for (int i = 0; i < index.Length; ++i)
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{
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index[i] = file.ReadUInt32();
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if (index[i] >= text_size)
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return null;
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}
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long text_offset = header_size + code_size + text_index_size;
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var script = new GscScriptData();
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script.Header = header_data;
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script.Code = code;
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for (int i = 0; i < index.Length; ++i)
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{
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file.BaseStream.Position = text_offset + index[i];
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string text = StreamExtension.ReadCString (file.BaseStream);
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script.TextLines.Add (new ScriptLine { Id = (uint)i, Text = text });
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}
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long footer_pos = text_offset + text_size;
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file.BaseStream.Position = footer_pos;
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script.Footer = new byte[file.BaseStream.Length - footer_pos];
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file.BaseStream.Read (script.Footer, 0, script.Footer.Length);
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return script;
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}
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}
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public override void Write (Stream stream, ScriptData script_data)
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{
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var script = script_data as GscScriptData;
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if (null == script)
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throw new InvalidFormatException();
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using (var file = new BinaryWriter (stream, Encodings.cp932, true))
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{
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long file_size_pos = file.BaseStream.Position;
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file.Write ((int)0);
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file.Write ((int)(script.Header.Length + 0x14));
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file.Write ((int)script.Code.Length);
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int line_count = script.TextLines.Count;
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int text_index_size = line_count * 4;
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file.Write (text_index_size);
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long text_size_pos = file.BaseStream.Position;
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file.Write ((int)0);
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if (0 < script.Header.Length)
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file.Write (script.Header);
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if (0 < script.Code.Length)
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file.Write (script.Code);
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long text_index_pos = file.BaseStream.Position;
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var index = new uint[line_count];
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file.BaseStream.Seek (text_index_size, SeekOrigin.Current);
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int i = 0;
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long text_pos = file.BaseStream.Position;
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uint current_pos = 0;
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foreach (var line in script.TextLines)
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{
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index[i] = current_pos;
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var text = Encodings.cp932.GetBytes (line.Text);
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file.Write (text);
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file.Write ((byte)0);
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++i;
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current_pos += (uint)text.Length + 1;
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}
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uint text_size = (uint)(file.BaseStream.Position - text_pos);
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if (0 < script.Footer.Length)
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file.Write (script.Footer);
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uint file_size = (uint)(file.BaseStream.Position - file_size_pos);
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file.BaseStream.Position = file_size_pos;
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file.Write (file_size);
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file.BaseStream.Position = text_size_pos;
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file.Write (text_size);
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file.BaseStream.Position = text_index_pos;
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foreach (var offset in index)
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file.Write (offset);
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file.BaseStream.Position = file_size_pos + file_size;
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}
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}
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}
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}
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