2019-03-23 19:43:57 +04:00

107 lines
4.3 KiB
C#

//! \file ArcBIN.cs
//! \date 2019 Mar 21
//! \brief Alterna resource archive.
//
// Copyright (C) 2019 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
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using GameRes.Compression;
using GameRes.Utility;
// [051028][ALTERNA] ShiroKuro ~Shiroi Kokoro to Kuroi Tsurugi~
namespace GameRes.Formats.Alterna
{
[Export(typeof(ArchiveFormat))]
public class BinOpener : ArchiveFormat
{
public override string Tag { get { return "BIN/ARC1"; } }
public override string Description { get { return "Alterna resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public BinOpener ()
{
ContainedFormats = new[] { "BMP", "OGG", "SCR" };
}
public override ArcFile TryOpen (ArcView file)
{
if (file.Name.HasExtension (".lst"))
return null;
var lst_name = Path.ChangeExtension (file.Name, ".lst");
if (!VFS.FileExists (lst_name))
return null;
using (var lst = VFS.OpenView (lst_name))
{
if (!lst.View.AsciiEqual (0, "ARC1.00"))
return null;
int count = lst.View.ReadInt32 (8);
if (!IsSaneCount (count))
return null;
uint lst_pos = 0x10;
var name_buffer = new byte[0x20];
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
lst.View.Read (lst_pos+0x10, name_buffer, 0, 0x20);
for (int j = 0; j < 0x20 && name_buffer[j] != 0; ++j)
{
name_buffer[j] ^= 0x80;
}
var name = Binary.GetCString (name_buffer, 0);
var entry = Create<PackedEntry> (name);
entry.Size = lst.View.ReadUInt32 (lst_pos + 8);
entry.Offset = lst.View.ReadUInt32 (lst_pos + 0xC);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.UnpackedSize = lst.View.ReadUInt32 (lst_pos + 4);
entry.IsPacked = lst.View.ReadInt32 (lst_pos) != 0;
dir.Add (entry);
lst_pos += 0x30;
}
return new ArcFile (file, this, dir);
}
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var pent = entry as PackedEntry;
if (null == pent || !pent.IsPacked || !arc.File.View.AsciiEqual (entry.Offset, "LZSS"))
return base.OpenEntry (arc, entry);
var input = arc.File.CreateStream (entry.Offset+8, entry.Size-8);
var lzss = new LzssStream (input);
lzss.Config.FrameInitPos = 0xFF0;
return lzss;
}
}
[Export(typeof(ResourceAlias))]
[ExportMetadata("Extension", "STR")]
[ExportMetadata("Target", "SCR")]
public class StrFormat : ResourceAlias { }
}