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(Arc2Opener): implemented Create method. (#33)

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This commit is contained in:
morkt 2016-12-24 20:32:14 +04:00
parent dc0c2a8e38
commit ec9e33ed81
1 changed files with 72 additions and 1 deletions
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73
ArcFormats/Will/ArcPulltop.cs
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@ -28,7 +28,9 @@ using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using System.Linq;
using System.Text;
using GameRes.Formats.Strings;
namespace GameRes.Formats.Will
{
@ -39,7 +41,7 @@ namespace GameRes.Formats.Will
public override string Description { get { return "Will Co. game engine resource archive v2"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override bool CanWrite { get { return true; } }
public Arc2Opener ()
{
@ -104,5 +106,74 @@ namespace GameRes.Formats.Will
}
return new BinMemoryStream (data, entry.Name);
}
public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
EntryCallback callback)
{
int file_count = list.Count();
if (null != callback)
callback (file_count+1, null, null);
int callback_count = 0;
var names = new List<byte[]> (file_count);
int index_size = 0;
foreach (var entry in list)
{
var utf16_name = Encoding.Unicode.GetBytes (Path.GetFileName (entry.Name));
names.Add (utf16_name);
index_size += 8 + utf16_name.Length + 2;
}
uint current_offset = 0;
output.Position = 8 + index_size;
foreach (var entry in list)
{
if (null != callback)
callback (callback_count++, entry, arcStrings.MsgAddingFile);
entry.Offset = current_offset;
using (var input = File.OpenRead (entry.Name))
{
var size = input.Length;
if (size > uint.MaxValue || current_offset + size > uint.MaxValue)
throw new FileSizeException();
if (entry.Name.EndsWith (".ws2", StringComparison.InvariantCultureIgnoreCase))
CopyScript (input, output);
else
input.CopyTo (output);
current_offset += (uint)size;
entry.Size = (uint)size;
}
}
if (null != callback)
callback (callback_count++, null, arcStrings.MsgWritingIndex);
output.Position = 0;
using (var writer = new BinaryWriter (output, Encoding.Unicode, true))
{
writer.Write (file_count);
writer.Write (index_size);
int i = 0;
foreach (var entry in list)
{
writer.Write (entry.Size);
writer.Write ((uint)entry.Offset);
writer.Write (names[i++]);
writer.Write ((short)0);
}
}
}
void CopyScript (Stream input, Stream output)
{
var buffer = new byte[81920];
for (;;)
{
int read = input.Read (buffer, 0, buffer.Length);
if (0 == read)
break;
for (int i = 0; i < read; ++i)
{
buffer[i] = Binary.RotByteL (buffer[i], 2);
}
output.Write (buffer, 0, read);
}
}
}
}