/// <summary> Draw button and read input</summary>
private void ButtonPerPlayer(PlayerIdentity playerIdentity, int i)
{
bool highlighted = playerIdentity.hasUID(currentHighlightUID);
GUI.color = highlighted ? Color.yellow : Color.white;
var r = new Rect(10, 200 + 50 * i, 200, 45);
if (GUI.Button(r, playerIdentity.GetDeviceName()))
{
CmdSetHighlightUID(playerIdentity.GetUID());
}
}