GARbro-mirror/Net20/Gx4Lib/PackageFile.cs

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//! \file PackageFile.cs
//! \date 2018 Aug 30
//! \brief Unity GX4Lib deserializer.
//
// Copyright (C) 2018 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.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
namespace GameRes.Gx4Lib
{
public class PackageFile
{
public PFHeaders Deserialize (Stream input)
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{
var bin = new BinaryFormatter { Binder = new Gx4TypeBinder() };
return bin.Deserialize (input) as PFHeaders;
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}
}
[Serializable]
public class PFHeader
{
public string FileName;
public long readStartBytePos;
public long ByteLength;
}
[Serializable]
public class PFHeaders
{
public PFHeader[] headers;
}
[Serializable]
public class PFAudioHeaders : PFHeaders
{
}
[Serializable]
public class PFImageHeaders : PFHeaders
{
}
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internal class Gx4TypeBinder : SerializationBinder
{
public override Type BindToType (string assemblyName, string typeName)
{
if ("GX4Lib" == assemblyName)
{
if (typeName.StartsWith ("GX4.PackageFile`1+PFHeaders[["))
{
if (0 == string.Compare (typeName, 29, "UnityEngine.AudioClip", 0, 21))
return typeof(PFAudioHeaders);
if (0 == string.Compare (typeName, 29, "UnityEngine.Texture2D", 0, 21))
return typeof(PFImageHeaders);
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return typeof(PFHeaders);
}
else if (typeName.StartsWith ("GX4.PackageFile`1+PFHeader[["))
{
return typeof(PFHeader);
}
}
return null;
}
}
}