xonotic/misc/tools/cached-converter.sh
2010-09-15 18:18:56 +02:00

268 lines
6.7 KiB
Bash
Executable File

#!/bin/sh
set -e
: ${CACHEDIR:=$HOME/.xonotic-cached-converter}
: ${do_jpeg:=true}
: ${do_jpeg_if_not_dds:=false}
: ${jpeg_qual_rgb:=95}
: ${jpeg_qual_a:=99}
: ${do_dds:=true}
: ${dds_tool:=compressonator-dxtc}
: ${do_ogg:=false}
: ${ogg_qual:=1}
: ${del_src:=false}
: ${git_src_repo:=}
me=$0
case "$me" in
*/*)
meprefix=${me%/*}/
;;
*)
meprefix=
;;
esac
tmpdir=`mktemp -d -t cached-converter.XXXXXX`
trap 'exit 1' INT
trap 'rm -rf "$tmpdir"' EXIT
lastinfiles=
lastinfileshash=
cached()
{
flag=$1; shift
method=$1; shift
infile1=$1; shift
infile2=$1; shift
outfile1=$1; shift
outfile2=$1; shift
if ! $flag; then
return 0
fi
if [ x"$infile1" = x"$outfile1" ]; then
keep=true
fi
options=`echo "$*" | git hash-object --stdin`
if [ x"$infile1/../$infile2" = x"$lastinfiles" ]; then
sum=$lastinfileshash
else
if [ -n "$git_src_repo" ]; then
sum=`( cd "$git_src_repo"; git rev-parse --revs-only HEAD:"${infile1#./}" | grep . ) || git hash-object "$infile1"`
if [ -n "$infile2" ]; then
sum=$sum`( cd "$git_src_repo"; git rev-parse --revs-only HEAD:"${infile2#./}" | grep . ) || git hash-object "$infile2"`
fi
else
sum=`git hash-object "$infile1"`
if [ -n "$infile2" ]; then
sum=$sum`git hash-object "$infile2"`
fi
fi
lastinfileshash=$sum
fi
mkdir -p "$CACHEDIR/$method-$options"
name1="$CACHEDIR/$method-$options/$sum-1.${outfile1##*.}"
[ -z "$outfile2" ] || name2="$CACHEDIR/$method-$options/$sum-2.${outfile2##*.}"
tempfile1="${name1%/*}/new-${name1##*/}"
[ -z "$outfile2" ] || tempfile2="${name2%/*}/new-${name2##*/}"
if [ -f "$name1" ] && { [ -z "$outfile2" ] || [ -f "$name2" ]; }; then
case "$outfile1" in */*) mkdir -p "${outfile1%/*}"; esac && { ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"; }
[ -z "$outfile2" ] || { case "$outfile2" in */*) mkdir -p "${outfile2%/*}"; esac && { ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"; }; }
conv=true
elif "$method" "$infile1" "$infile2" "$tempfile1" "$tempfile2" "$@"; then
mv "$tempfile1" "$name1"
[ -z "$outfile2" ] || mv "$tempfile2" "$name2"
case "$outfile1" in */*) mkdir -p "${outfile1%/*}"; esac && { ln "$name1" "$outfile1" 2>/dev/null || cp "$name1" "$outfile1"; }
[ -z "$outfile2" ] || { case "$outfile2" in */*) mkdir -p "${outfile2%/*}"; esac && { ln "$name2" "$outfile2" 2>/dev/null || cp "$name2" "$outfile2"; }; }
conv=true
else
rm -f "$tempfile1"
rm -f "$tempfile2"
exit 1
fi
}
reduce_jpeg2_dds()
{
i=$1; shift
ia=$1; shift
o=$1; shift; shift
convert "$i" "$ia" -compose CopyOpacity -composite "$tmpdir/x.tga" && \
"$meprefix"compress-texture "$dds_tool" dxt5 "$tmpdir/x.tga" "$o" $1
}
reduce_jpeg2_jpeg2()
{
i=$1; shift
ia=$1; shift
o=$1; shift
oa=$1; shift
cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o" && \
cp "$ia" "$oa" && jpegoptim --strip-all -m"$2" "$oa"
}
reduce_jpeg_jpeg()
{
i=$1; shift; shift
o=$1; shift; shift
cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o"
}
reduce_ogg_ogg()
{
i=$1; shift; shift
o=$1; shift; shift
tags=`vorbiscomment -R -l "$i" || true`
oggdec -o "$tmpdir/x.wav" "$i" && \
oggenc -q"$1" -o "$o" "$tmpdir/x.wav"
echo "$tags" | vorbiscomment -R -w "$o" || true
}
reduce_wav_ogg()
{
i=$1; shift; shift
o=$1; shift; shift
oggenc -q"$1" -o "$o" "$i"
}
reduce_rgba_dds()
{
i=$1; shift; shift
o=$1; shift; shift
convert "$i" "$tmpdir/x.tga" && \
"$meprefix"compress-texture "$dds_tool" dxt5 "$tmpdir/x.tga" "$o" $1
}
reduce_rgba_jpeg2()
{
i=$1; shift; shift
o=$1; shift
oa=$1; shift
convert "$i" -alpha off -quality 100 "$o" && \
convert "$i" -alpha extract -quality 100 "$oa" && \
jpegoptim --strip-all -m"$1" "$o" && \
jpegoptim --strip-all -m"$2" "$oa"
}
reduce_rgb_dds()
{
i=$1; shift; shift
o=$1; shift; shift
convert "$i" "$tmpdir/x.tga" && \
"$meprefix"compress-texture "$dds_tool" dxt1 "$tmpdir/x.tga" "$o" $1
}
reduce_rgb_jpeg()
{
i=$1; shift; shift
o=$1; shift; shift
convert "$i" "$o" && \
jpegoptim --strip-all -m"$1" "$o"
}
has_alpha()
{
i=$1; shift; shift
o=$1; shift; shift
if convert "$F" -depth 16 RGBA:- | perl -e 'while(read STDIN, $_, 8) { substr($_, 6, 2) eq "\xFF\xFF" or exit 1; } exit 0;'; then
# no alpha
: > "$o"
else
# has alpha
echo yes > "$o"
fi
}
to_delete=
for F in "$@"; do
f=${F%.*}
echo >&2 "Handling $F..."
conv=false
keep=false
will_jpeg=$do_jpeg
will_dds=$do_dds
case "$f" in
*_bump) will_dds=false ;;
./models/player/*) will_dds=false ;;
./models/sprites/*) will_dds=false ;;
./textures/*) ;;
./models/*) ;;
./particles/*) ;;
./progs/*) ;;
*)
# we can't DDS compress the 2D textures, sorry
# but JPEG is still fine
will_dds=false
;;
esac
if $do_jpeg_if_not_dds; then
if $will_dds; then
will_jpeg=false
else
will_jpeg=true
fi
fi
case "$F" in
*_alpha.jpg)
# handle in *.jpg case
# they always got converted, I assume
if $will_dds || $will_jpeg; then
conv=true
fi
keep=$will_jpeg
;;
*.jpg)
if [ -f "${f}_alpha.jpg" ]; then
cached "$will_dds" reduce_jpeg2_dds "$F" "${f}_alpha.jpg" "dds/${f}.dds" "" "$dds_flags"
cached "$will_jpeg" reduce_jpeg2_jpeg2 "$F" "${f}_alpha.jpg" "$F" "${f}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
else
cached "$will_dds" reduce_rgb_dds "$F" "" "dds/${f}.dds" "" "$dds_flags"
cached "$will_jpeg" reduce_jpeg_jpeg "$F" "" "$F" "" "$jpeg_qual_rgb"
fi
;;
*.png|*.tga)
cached true has_alpha "$F" "" "$F.hasalpha" ""
conv=false
if [ -s "$F.hasalpha" ]; then
cached "$will_dds" reduce_rgba_dds "$F" "" "dds/${f}.dds" "" "$dds_flags"
cached "$will_jpeg" reduce_rgba_jpeg2 "$F" "" "${f}.jpg" "${f}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
else
cached "$will_dds" reduce_rgb_dds "$F" "" "dds/${f}.dds" "" "$dds_flags"
cached "$will_jpeg" reduce_rgb_jpeg "$F" "" "${f}.jpg" "" "$jpeg_qual_rgb"
fi
rm -f "$F.hasalpha"
;;
*.ogg)
cached "$do_ogg" reduce_ogg_ogg "$F" "" "$F" "" "$ogg_qual"
;;
*.wav)
cached "$do_ogg" reduce_wav_ogg "$F" "" "$F" "" "$ogg_qual"
;;
esac
if $del_src; then
if $conv; then
if ! $keep; then
# FIXME can't have spaces in filenames that way
to_delete="$to_delete $F"
fi
fi
fi
# fix up DDS paths by a symbolic link
if [ -f "dds/${f}.dds" ]; then
if [ -z "${f##./textures/*}" ]; then
if [ -n "${f##./textures/*/*}" ]; then
ln -snf "textures/${f#./textures/}.dds" "dds/${f#./textures/}.dds"
fi
fi
fi
done
for F in $to_delete; do
rm -f "$F"
done