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//! \file ArcTTD.cs
//! \date 2018 Sep 02
//! \brief Melonpan resource archive.
//
// Copyright (C) 2018 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.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using GameRes.Compression;
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// [021220][Aias] Stitch -Kakechigaeta Button-
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// [030829][Melonpan] Himawari no Natsu ~Boku ga Eranda Ashita~
namespace GameRes.Formats.Melonpan
{
[Export(typeof(ArchiveFormat))]
public class TtdOpener : ArchiveFormat
{
public override string Tag { get { return "TTD"; } }
public override string Description { get { return "Melonpan resource archive"; } }
public override uint Signature { get { return 0x574357; } } // 'WCW'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
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int index_offset = 12;
int first_offset = file.View.ReadInt32 (index_offset+4);
int name_length = (first_offset - index_offset) / count - 0xC;
if (name_length < 8)
return null;
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var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint size = file.View.ReadUInt32 (index_offset);
uint offset = file.View.ReadUInt32 (index_offset+4);
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index_offset += 0xC;
var name = file.View.ReadString (index_offset, (uint)name_length);
var entry = Create<PackedEntry> (name);
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entry.Offset = offset;
entry.Size = size;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
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index_offset += name_length;
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}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var pent = (PackedEntry)entry;
if (!pent.IsPacked)
{
if (!arc.File.View.AsciiEqual (entry.Offset, "DSFF"))
return base.OpenEntry (arc, entry);
pent.IsPacked = true;
pent.UnpackedSize = arc.File.View.ReadUInt32 (entry.Offset+4);
}
var input = arc.File.CreateStream (entry.Offset+8, entry.Size-8);
var lzss = new LzssStream (input);
lzss.Config.FrameInitPos = 0xFF0;
return lzss;
}
}
}