Sorry to drag up the old subject of LED Animation formats, but if you were going to add support for the PacDrive wouldn't it make sense to change the lwax format to the following (and possibly changing the extension to .lax). Obviously the PacDrive would only need the State command.
<?xml version="1.0" encoding="utf-8"?>
<LEDAnimation Device="LEDWiz">
<Frame Number="1" Duration="35">
<Intensity ID="0" Value="49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49,49" />
<State ID="0" Value="0,1,1,1,0,0,1,0,1,1,1,0,1,1,0,0,0,0,1,1,1,0,1,1,0,1,0,0,1,1,0,0" GlobalPulse="3" />
</Frame>
<Frame Number="2" Duration="35">
<State ID="0" Value="0,0,1,1,1,0,0,1,1,1,1,0,0,1,1,0,0,1,1,0,0,0,1,1,1,0,0,1,1,1,0,0" GlobalPulse="3" />
</Frame>
<Frame Number="3" Duration="35">
<State ID="0" Value="0,0,0,1,1,1,0,0,1,1,1,0,0,0,1,1,1,1,0,0,0,0,1,1,0,0,1,1,1,0,0,0" GlobalPulse="3" />
</Frame>
</LEDAnimation>
<?xml version="1.0" encoding="utf-8"?>
<LEDAnimation Device="PacDrive">
<Frame Number="1" Duration="35">
<State ID="0" Value="0,1,1,1,0,0,1,0,1,1,1,0,1,1,0,0" />
</Frame>
<Frame Number="2" Duration="35">
<State ID="0" Value="0,0,1,1,1,0,0,1,1,1,1,0,0,1,1,0" />
</Frame>
<Frame Number="3" Duration="35">
<State ID="0" Value="0,0,0,1,1,1,0,0,1,1,1,0,0,0,1,1" />
</Frame>
</LEDAnimation>