#!/bin/sh 
#
# Build a movie from an image sequence

usage() {
    echo "megawave_mkmovie type prefix n1 n2"
    echo "type: Cmovie/Fmovie/Ccmovie/Cfmovie"
}

if [ $# -ne 4 ]; then
    usage
    exit 1
fi

DEF=$1
DEST=$2
PREFIX=`basename $DEST`
N1=$3
N2=$4
N=$(($N2 - $N1 + 1))

if [ $N -le 0 ] || [ $N -gt 100000 ]; then
    usage
fi

if [ $DEF != Cmovie ] && [ $DEF != Fmovie ] \
    && [ $DEF != Ccmovie ] && [ $DEF != Cfmovie ]; then
    usage
fi

cat << EOF > $DEST
%
MegaWave2 - DATA ASCII file - $DEST
%
def $DEF

nimage:$N

EOF

N=$N1
while [ $N -le $N2 ]; do
    echo $PREFIX'_'$N >> $DEST
    N=$(($N + 1))
done
