GARbro-mirror/ArcFormats/Foster/ArcC24.cs

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//! \file ArcC24.cs
//! \date Sun Feb 19 14:21:21 2017
//! \brief Foster's game engine multi-frame image.
//
// Copyright (C) 2017 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.Foster
{
[Export(typeof(ArchiveFormat))]
public class C24Opener : ArchiveFormat
{
public override string Tag { get { return "C24"; } }
public override string Description { get { return "Foster game engine multi-image"; } }
public override uint Signature { get { return 0x00343243; } } // 'C24'
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;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (count);
uint index_offset = 8;
for (int i = 0; i < count; ++i)
{
uint offset = file.View.ReadUInt32 (index_offset);
index_offset += 4;
if (offset > 0 && offset <= file.MaxOffset)
{
var entry = new Entry
{
Name = string.Format ("{0}@{1:D4}", base_name, i),
Type = "image",
Offset = offset,
};
dir.Add (entry);
}
}
dir.Sort ((a, b) => (int)(a.Offset - b.Offset));
for (int i = 1; i < dir.Count; ++i)
{
dir[i-1].Size = (uint)(dir[i].Offset - dir[i-1].Offset);
}
var last_entry = dir[dir.Count-1];
last_entry.Size = (uint)(file.MaxOffset - last_entry.Offset);
return new ArcFile (file, this, dir);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var offset = entry.Offset;
var info = new C24MetaData
{
Width = arc.File.View.ReadUInt32 (offset),
Height = arc.File.View.ReadUInt32 (offset+4),
OffsetX = arc.File.View.ReadInt32 (offset+8),
OffsetY = arc.File.View.ReadInt32 (offset+12),
BPP = 24,
DataOffset = (uint)(offset + 0x10),
};
var input = arc.File.CreateStream (0, (uint)arc.File.MaxOffset);
return new C24Decoder (input, info);
}
}
}