GARbro-mirror/ArcFormats/Cromwell/ArcPAK.cs

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//! \file ArcPAK.cs
//! \date Sun Feb 05 13:07:40 2017
//! \brief cromwell graphic resource archive.
//
// 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.Collections.Generic;
using System.ComponentModel.Composition;
using System.IO;
using GameRes.Compression;
namespace GameRes.Formats.Cromwell
{
[Export(typeof(ArchiveFormat))]
public class GraphicPakOpener : ArchiveFormat
{
public override string Tag { get { return "PAK/cromwell"; } }
public override string Description { get { return "cromwell graphic resource archive"; } }
public override uint Signature { get { return 0x70617247; } } // 'Graphic PackData'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
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public GraphicPakOpener ()
{
Signatures = new uint[] { 0x70617247, 0x63696F56 };
}
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public override ArcFile TryOpen (ArcView file)
{
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bool is_graphic = file.View.AsciiEqual (0, "Graphic PackData");
if (!is_graphic && !file.View.AsciiEqual (0, "Voice PackData. "))
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return null;
int count = file.View.ReadInt32 (0x10);
if (!IsSaneCount (count))
return null;
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string type = is_graphic ? "image" : "audio";
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uint index_offset = 0x14;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0xC);
if (string.IsNullOrWhiteSpace (name))
return null;
index_offset += 0xC;
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var entry = new PackedEntry { Name = name, Type = type };
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entry.Offset = file.View.ReadUInt32 (index_offset);
if (entry.Offset >= file.MaxOffset)
return null;
entry.UnpackedSize = file.View.ReadUInt32 (index_offset+4);
entry.IsPacked = true;
dir.Add (entry);
index_offset += 8;
}
for (int i = 0; i < count; ++i)
{
long next_offset = i+1 < count ? dir[i+1].Offset : file.MaxOffset;
dir[i].Size = (uint)(next_offset - dir[i].Offset);
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var input = arc.File.CreateStream (entry.Offset, entry.Size);
return new ZLibStream (input, CompressionMode.Decompress);
}
}
[Export(typeof(ArchiveFormat))]
public class OpkOpener : ArchiveFormat
{
public override string Tag { get { return "OPK"; } }
public override string Description { get { return "cromwell audio resource archive"; } }
public override uint Signature { get { return 0x63696F56; } } // 'VoiceOggPackFile'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
if (!file.View.AsciiEqual (4, "eOggPackFile"))
return null;
int count = file.View.ReadInt32 (0x10);
if (!IsSaneCount (count))
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
using (var input = file.CreateStream())
{
input.Position = 0x14;
var dir = new List<Entry> (count);
uint next_offset = input.ReadUInt32();
for (int i = 0; i < count; ++i)
{
var entry = new Entry { Type = "audio" };
entry.Offset = next_offset;
next_offset = input.ReadUInt32();
entry.Size = (uint)(next_offset - entry.Offset);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
input.Position = next_offset;
foreach (var entry in dir)
{
entry.Name = input.ReadCString (8) + ".ogg";
}
return new ArcFile (file, this, dir);
}
}
}
}