GARbro-mirror/ArcFormats/TechnoBrain/ArcIPQ.cs

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//! \file ArcIPQ.cs
//! \date 2022 May 02
//! \brief TechnoBrain's animation resource.
//
// Copyright (C) 2022 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;
namespace GameRes.Formats.TechnoBrain
{
internal class IpqArchive : ArcFile
{
public readonly IpfMetaData Info;
public IpqArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, IpfMetaData info)
: base (arc, impl, dir)
{
Info = info;
}
}
[Export(typeof(ArchiveFormat))]
public class IpqOpener : ArchiveFormat
{
public override string Tag { get { return "IPQ"; } }
public override string Description { get { return "TechnoBrain's animation resource"; } }
public override uint Signature { get { return 0; } } // 'RIFF'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
static readonly ResourceInstance<IpfFormat> Ipf = new ResourceInstance<IpfFormat>("IPF");
public override ArcFile TryOpen (ArcView file)
{
if (file.View.ReadUInt32 (0) != 0x46464952 // 'RIFF'
|| !file.View.AsciiEqual (8, "IPQ fmt "))
return null;
IpfMetaData ipq_info;
using (var ipq = file.CreateStream())
{
ipq_info = Ipf.Value.ReadIpfHeader (ipq);
if (null == ipq_info || ipq_info.FormatString != "IPQ fmt ")
return null;
ipq.Position = ipq_info.DataOffset;
if (ipq.ReadUInt32() != 0x6D696E61) // "anim"
return null;
uint index_size = ipq.ReadUInt32();
int count = ipq.ReadInt32();
if (!IsSaneCount (count))
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new Entry {
Name = string.Format ("{0}#{1:D3}", base_name, i),
Type = "image",
Offset = ipq.ReadUInt32(),
};
dir.Add (entry);
}
long last_offset = file.MaxOffset;
for (int i = count-1; i >= 0; --i)
{
dir[i].Size = (uint)(last_offset - dir[i].Offset);
last_offset = dir[i].Offset;
}
return new IpqArchive (file, this, dir, ipq_info);
}
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var ipq = arc as IpqArchive;
if (null == ipq)
return base.OpenImage (arc, entry);
var info = ipq.Info.Clone() as IpfMetaData;
var file = arc.File.CreateStream();
try
{
file.Position = entry.Offset;
if (!Ipf.Value.ReadBmpInfo (file, info))
throw new InvalidFormatException ("Invalid 'bmp' section.");
return new IpfReader (file, info, Ipf.Value);
}
catch
{
file.Dispose();
throw;
}
}
}
}