cParse.sh - xboxdrv script

cParse.sh

#!/bin/sh 
# cParse.sh 
# a script to parse input from xboxdrv 
# Usage : xboxdrv | cParse.sh 
# makes cursor align with left joystick around a centerpoint 
# depends on xdotool to do the cursor moving 
                                                                          
# define a 'center' x,y 
cX=400 
cY=400 
 
# range(radius of circle in pixels) 
range=200 
 
# only process every nth input (lag varies, xboxdrv has a lot of output) 
countn=40 
 
 
count=0 
while read -r line ; do 
    if (( count % countn )); then 
        count=0 
        readX=$(echo $line | grep -oE "X1:......" | cut -c 4-) 
        readY=$(echo $line | grep -oE "Y1:......" | cut -c 4-) 
 
        if [[ ! -z $readX ]]; then 
            if [[ ! -z $readY ]]; then 
                curX=$(expr $cX \+ $(expr \( $range \* $readX \) / 32700))
                curY=$(expr $cY \- $(expr \( $range \* $readY \) / 32700)) 
                xdotool mousemove $curX $curY 
            fi 
        fi         
    else           
        count=$(expr $count + 1) 
    fi     
done