Mirror keys for multiboxing MMORPG games like WOW/LOTRO


public class UdpKeyBufferFILO
{
	private const int m_buffer_length_default = 4;
    private UdpKeyInfo[] m_buffer = new UdpKeyInfo[m_buffer_length_default + 1];
	public UdpKeyBufferFILO(int _length)
	{
		if (_length != m_buffer_length_default) {
			if (_length > 1) {
                m_buffer = new UdpKeyInfo[_length + 1];
			} else {
				_length = m_buffer_length_default;
			}
		}
		for (int i = 0; i <= _length - 1; i++) {
			m_buffer[i] = null;
		}
	}
	public void Push(UdpKeyInfo KeyInfo)
	{
		//keydown - valid for pushes
		if (((KeyInfo.Message &System.Convert.ToUInt32(1)) == 0)) {
			bool found = false;
			for (int i = 0; i <= m_buffer.Length - 1; i++) {
				if ((((m_buffer[i] != null)) && (m_buffer[i].VKey == KeyInfo.VKey) && (m_buffer[i].Device == KeyInfo.Device))) {
					found = true;
				}
			}
			if (!found) {
				for (int i = m_buffer.Length - 1; i >= 1; i += -1) {
					m_buffer[i] = m_buffer[i - 1];
				}
				m_buffer[0] = KeyInfo;
			}
		}
	}
	public UdpKeyInfo Pop(UdpKeyInfo KeyInfo)
	{
		UdpKeyInfo result = null;
		//keyup - valid for pops
		if (((KeyInfo.Message &System.Convert.ToUInt32(1)) == 1)) {
			for (int i = m_buffer.Length - 1; i >= 0; i += -1) {
				if ((((m_buffer[i] != null)) && (m_buffer[i].VKey == KeyInfo.VKey) && (m_buffer[i].Device == KeyInfo.Device))) {
					result = m_buffer[i];
					m_buffer[i] = null;
				}
			}
		}
		return result;
	}
}