GARbro-mirror/ArcFormats/BlueGale/VideoAMV.cs

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//! \file VideoAMV.cs
//! \date Sat Aug 13 08:31:51 2016
//! \brief Blue Gale animation format.
//
// Copyright (C) 2016 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.Utility;
namespace GameRes.Formats.BlueGale
{
[Export(typeof(ArchiveFormat))]
public class AmvOpener : ArchiveFormat
{
public override string Tag { get { return "AMPV"; } }
public override string Description { get { return "BlueGale animation format"; } }
public override uint Signature { get { return 0x56706D61; } } // 'ampV'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public AmvOpener ()
{
Extensions = new string[] { "amv" };
}
public override ArcFile TryOpen (ArcView file)
{
if (file.View.ReadInt16 (4) != 1)
return null;
uint unpacked_size = file.View.ReadUInt32 (0x16);
uint width = file.View.ReadUInt32 (0x1A);
uint height = file.View.ReadUInt32 (0x1E);
int count = file.View.ReadInt32 (0x2A);
if (!IsSaneCount (count))
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
uint offset = 0x32;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint size = file.View.ReadUInt32 (offset);
var entry = new PackedEntry
{
Name = string.Format ("{0}#{1:D4}.bmp", base_name, i),
Type = "image",
Offset = offset + 4,
Size = size,
IsPacked = true,
UnpackedSize = unpacked_size + 0x36,
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
offset += 4 + size;
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var pent = (PackedEntry)entry;
var output = new byte[pent.UnpackedSize];
using (var input = arc.File.CreateStream (entry.Offset, entry.Size))
ZbmFormat.Unpack (input, output, 0xE);
output[0] = (byte)'B';
output[1] = (byte)'M';
LittleEndian.Pack (pent.UnpackedSize, output, 2);
int header_size = LittleEndian.ToInt32 (output, 0xE);
LittleEndian.Pack (header_size+0xE, output, 0xA);
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return new BinMemoryStream (output, entry.Name);
}
}
}