Files
OpenRA/OpenRA.Mods.Common/FileFormats/FastByteReader.cs

44 lines
1.0 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version. For more
* information, see COPYING.
*/
#endregion
using System;
namespace OpenRA.Mods.Common.FileFormats
{
public class FastByteReader
{
readonly byte[] src;
int offset;
public FastByteReader(byte[] src, int offset = 0)
{
this.src = src;
this.offset = offset;
}
public bool Done() { return offset >= src.Length; }
public byte ReadByte() { return src[offset++]; }
public int ReadWord()
{
var x = ReadByte();
return x | (ReadByte() << 8);
}
public void CopyTo(byte[] dest, int offset, int count)
{
Array.Copy(src, this.offset, dest, offset, count);
this.offset += count;
}
public int Remaining() { return src.Length - offset; }
}
}