filter out lightmaps and model previews from DDS
[xonotic/xonotic.git] / misc / tools / cached-converter.sh
index 71709e5fe1b1f43b2e81f97c18f63a8fb97e3d09..ccbe0bb862a507b41b0b85d1cf905b0e5408d636 100755 (executable)
@@ -4,6 +4,7 @@ set -e
 
 : ${CACHEDIR:=$HOME/.xonotic-cached-converter}
 : ${do_jpeg:=true}
+: ${do_jpeg_if_not_dds:=false}
 : ${jpeg_qual_rgb:=95}
 : ${jpeg_qual_a:=99}
 : ${do_dds:=true}
@@ -26,6 +27,8 @@ tmpdir=`mktemp -d -t cached-converter.XXXXXX`
 trap 'exit 1' INT
 trap 'rm -rf "$tmpdir"' EXIT
 
+lastinfiles=
+lastinfileshash=
 cached()
 {
        flag=$1; shift
@@ -41,9 +44,14 @@ cached()
                keep=true
        fi
        options=`echo "$*" | git hash-object --stdin`
-       sum=`git hash-object "$infile1"`
-       if [ -n "$infile2" ]; then
-               sum=$sum`git hash-object "$infile2"`
+       if [ x"$infile1/../$infile2" = x"$lastinfiles" ]; then
+               sum=$lastinfileshash
+       else
+               sum=`git hash-object "$infile1"`
+               if [ -n "$infile2" ]; then
+                       sum=$sum`git hash-object "$infile2"`
+               fi
+               lastinfileshash=$sum
        fi
        mkdir -p "$CACHEDIR/$method-$options"
        name1="$CACHEDIR/$method-$options/$sum-1.${outfile1##*.}"
@@ -93,7 +101,7 @@ reduce_jpeg_jpeg()
        cp "$i" "$o" && jpegoptim --strip-all -m"$1" "$o"
 }
 
-reduce_ogg()
+reduce_ogg_ogg()
 {
        i=$1; shift; shift
        o=$1; shift; shift
@@ -101,6 +109,13 @@ reduce_ogg()
        oggenc -q"$1" -o "$o" "$tmpdir/x.wav"
 }
 
+reduce_wav_ogg()
+{
+       i=$1; shift; shift
+       o=$1; shift; shift
+       oggenc -q"$1" -o "$o" "$i"
+}
+
 reduce_rgba_dds()
 {
        i=$1; shift; shift
@@ -114,8 +129,8 @@ reduce_rgba_jpeg2()
        i=$1; shift; shift
        o=$1; shift
        oa=$1; shift
-       convert "$i" -alpha extract -quality 100 "$o" && \
-       convert "$i" -alpha off     -quality 100 "$oa" && \
+       convert "$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"
 }
@@ -149,49 +164,92 @@ has_alpha()
        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
+               ./models/player/*) 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
-                       conv=true
-                       keep=$do_jpeg
+                       if $will_dds || $will_jpeg; then
+                               conv=true
+                       fi
+                       keep=$will_jpeg
                        ;;
                *.jpg)
-                       if [ -f "${F%.jpg}_alpha.jpg" ]; then
-                               cached "$do_dds"  reduce_jpeg2_dds   "$F" "${F%.*}_alpha.jpg" "dds/${F%.*}.dds" ""                  "$dds_flags"
-                               cached "$do_jpeg" reduce_jpeg2_jpeg2 "$F" "${F%.*}_alpha.jpg" "$F"              "${F%.*}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
+                       if [ -f "${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 "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
-                               cached "$do_jpeg" reduce_jpeg_jpeg   "$F" ""                  "$F"              ""                  "$jpeg_qual_rgb"
+                               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 "$F.hasalpha" ]; then
-                               cached "$do_dds"  reduce_rgba_dds    "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
-                               cached "$do_jpeg" reduce_rgba_jpeg2  "$F" ""                  "${F%.*}.jpg"     "${F%.*}_alpha.jpg" "$jpeg_qual_rgb" "$jpeg_qual_a"
-                               rm -f "$F" # TGA becomes useless after JPEGging
+                               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 "$do_dds"  reduce_rgb_dds     "$F" ""                  "dds/${F%.*}.dds" ""                  "$dds_flags"
-                               cached "$do_jpeg" reduce_rgb_jpeg    "$F" ""                  "${F%.*}.jpg"     ""                  "$jpeg_qual_rgb"
-                               rm -f "$F" # TGA becomes useless after JPEGging
+                               cached "$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 "$do_ogg" reduce_ogg "$F" "" "$F" "" "$ogg_qual"
+                       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 ! $keep; then
-                               rm -f "$F"
+                               # 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