ryujinx/Ryujinx.Common/Extensions/BinaryReaderExtensions.cs

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using System;
using System.IO;
using System.Runtime.InteropServices;
namespace Ryujinx.Common
{
public static class BinaryReaderExtensions
{
public unsafe static T ReadStruct<T>(this BinaryReader reader)
where T : struct
{
int size = Marshal.SizeOf<T>();
byte[] data = reader.ReadBytes(size);
fixed (byte* ptr = data)
{
return Marshal.PtrToStructure<T>((IntPtr)ptr);
}
}
public unsafe static T[] ReadStructArray<T>(this BinaryReader reader, int count)
where T : struct
{
int size = Marshal.SizeOf<T>();
T[] result = new T[count];
for (int i = 0; i < count; i++)
{
byte[] data = reader.ReadBytes(size);
fixed (byte* ptr = data)
{
result[i] = Marshal.PtrToStructure<T>((IntPtr)ptr);
}
}
return result;
}
public unsafe static void WriteStruct<T>(this BinaryWriter writer, T value)
where T : struct
{
long size = Marshal.SizeOf<T>();
byte[] data = new byte[size];
fixed (byte* ptr = data)
{
Marshal.StructureToPtr<T>(value, (IntPtr)ptr, false);
}
writer.Write(data);
}
}
}