Add option to execute minetestmapper in parallel

Closes #1
This commit is contained in:
est31 2016-01-17 19:32:15 +01:00
parent 2efe27f0b0
commit d7c76c666c

View File

@ -16,6 +16,17 @@ if [ ! -f $mapperpath ]; then
exit 1
fi
if [ -z "$JOBNUM" ]; then
JOBNUM=1
fi
case "$JOBNUM" in
''|*[!0-9]*) echo "Bad number of jobs '$JOBNUM'. Please specify a positive integer." ; exit 1 ;;
*) ;;
esac
# echo "Number of jobs: $JOBNUM"
scriptdir=`readlink -f $0`
scriptdir=`dirname $scriptdir`
@ -32,6 +43,8 @@ tilenum=$(($DIMENSIONS/$tilesize))
mkdir -p ${tiledir}/20
rm -f ${tiledir}/20/*
jobparam="-P$JOBNUM"
#create tile images
for x in $(seq 0 $tilenum)
do
@ -39,13 +52,20 @@ do
do
posx=$(($spawnx+$tilesize*($x-$tilenum/2)))
posy=$(($spawny+$tilesize*($tilenum/2-$y)))
$mapperpath ${MAPPERPARAMS} -i ${MAPDIR} --geometry ${posx},${posy}+${tilesize}+${tilesize} -o ${tiledir}/20/map_${x}_${y}.png
if [ $? -ne 0 ]; then
echo "minetestmapper exited with non zero exit code, aborting."
exit 1
fi
# Execute sh -c "something"
echo "-c"
echo "$mapperpath ${MAPPERPARAMS} -i ${MAPDIR} --geometry ${posx},${posy}+${tilesize}+${tilesize} -o ${tiledir}/20/map_${x}_${y}.png \
|| (>&2 echo 'minetesmapper ended with non zero exit code'; exit 255)"
done
done
done | xargs -n2 $jobparam -d '\n' sh
xargs_exit=$?
if [ $xargs_exit -ne 0 ]; then
# xargs unfortunately exits immediately, without even waiting for sub-processes
sleep 1
>&2 echo "Error: xargs ended with non-zero exit code $xargs_exit."
exit 1
fi
#join the images and make them smaller
mult=1