GARbro-mirror/ArcFormats/Kaguya/ArcANM.cs

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//! \file ArcANM.cs
//! \date Sat Jan 23 04:23:39 2016
//! \brief KaGuYa script engine animation resource.
//
// 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;
namespace GameRes.Formats.Kaguya
{
internal class AnmArchive : ArcFile
{
public readonly ImageMetaData ImageInfo;
public AnmArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, ImageMetaData base_info)
: base (arc, impl, dir)
{
ImageInfo = base_info;
}
}
[Export(typeof(ArchiveFormat))]
public class AnmOpener : ArchiveFormat
{
public override string Tag { get { return "ANM/KAGUYA"; } }
public override string Description { get { return "KaGuYa script engine animation resource"; } }
public override uint Signature { get { return 0x30304E41; } } // 'AN00'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public AnmOpener ()
{
Extensions = new string[] { "anm" };
}
public override ArcFile TryOpen (ArcView file)
{
int frame_count = file.View.ReadInt16 (0x14);
uint current_offset = 0x18 + (uint)frame_count * 4;
int count = file.View.ReadInt16 (current_offset);
if (!IsSaneCount (count))
return null;
var base_info = new ImageMetaData
{
OffsetX = file.View.ReadInt32 (4),
OffsetY = file.View.ReadInt32 (8),
Width = file.View.ReadUInt32 (0x0C),
Height = file.View.ReadUInt32 (0x10),
BPP = 32,
};
current_offset += 2;
string base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint width = file.View.ReadUInt32 (current_offset+8);
uint height = file.View.ReadUInt32 (current_offset+12);
var entry = new Entry
{
Name = string.Format ("{0}#{1:D2}.tga", base_name, i),
Type = "image",
Offset = current_offset,
Size = 0x10 + 4*width*height,
};
dir.Add (entry);
current_offset += entry.Size;
}
return new AnmArchive (file, this, dir, base_info);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var base_info = ((AnmArchive)arc).ImageInfo;
// emulate TGA image
var offset = entry.Offset;
var info = new ImageMetaData
{
OffsetX = base_info.OffsetX + arc.File.View.ReadInt32 (offset),
OffsetY = base_info.OffsetY + arc.File.View.ReadInt32 (offset+4),
Width = arc.File.View.ReadUInt32 (offset+8),
Height = arc.File.View.ReadUInt32 (offset+12),
BPP = 32,
};
offset += 0x10;
var pixels = arc.File.View.ReadBytes (offset, 4*info.Width*info.Height);
return TgaStream.Create (info, pixels, true);
}
}
}