diff options
| -rwxr-xr-x | gentextures.sh | 110 |
1 files changed, 85 insertions, 25 deletions
diff --git a/gentextures.sh b/gentextures.sh index 09d4067..57d70a7 100755 --- a/gentextures.sh +++ b/gentextures.sh @@ -1,56 +1,116 @@ #!/bin/bash -# This line defines the base of the filename, e.g. cotton_xxx_xxx.png -TEXTURE="cotton" +TEXTURE=$1 +COMPOSITE=$2 -# This defines the name of the bright red source texture that will -# be used to generate all of the others. base_texture="red_base_"$TEXTURE".png" -base_colors="red orange yellow lime green aqua cyan skyblue blue violet magenta redviolet" +if [ -z $TEXTURE ] || [ $TEXTURE == "--help" ] || [ $TEXTURE == "-h" ] ; then { + + echo -e "\nUsage:" + echo -e "\ngentextures.sh basename [overlay filename]" + echo -e "\nThis script requires one or two parameters which supply the" + echo -e "base filename of the textures, and an optional overlay. The" + echo -e "<basename> is the first part of the filename that your textures" + echo -e "will use when your mod is done. For example, if you supply the" + echo -e "word 'cotton', this script will produce filenames like cotton_red.png" + echo -e "or 'cotton_dark_blue_s50.png'. The texture that this script will" + echo -e "read and recolor is derived from this parameter, and will be of" + echo -e "the form 'red_base_xxxxx.png', where 'xxxx' is the basename." + echo -e "\nYou can also supply an optional overlay image filename." + echo -e "This image will be composited onto the output files after they" + echo -e "have been colorized, but without being modified. This is useful" + echo -e "when you have some part of your base image that will either get" + echo -e "changed unpredictably or undesirably. Simply draw two images -" + echo -e "one containing the whole image to be colored, and one containing" + echo -e "the parts that should not be changed, with transparency where the" + echo -e "base image should show through.\n" + exit 1 +} fi + + +if [[ ! -z $TEXTURE && ! -e $base_texture ]]; then { + echo -e "\nThe basename 'red_base_"$TEXTURE".png' was not found." + echo -e "\nAborting.\n" + exit 1 +} fi + +if [[ ! -z $COMPOSITE && ! -e $COMPOSITE ]]; then { + echo -e "\nThe requested composite file '"$COMPOSITE"' was not found." + echo -e "\nAborting.\n" + exit 1 +} fi + -echo -e "\nCurrently configured to generate filenames based on "$TEXTURE"." +convert $base_texture -modulate 1,2,3 tempfile.png 1>/dev/null 2>/dev/null -if [ ! -e "$base_texture" ] ; then { - echo -e "\nPlease supply a proper base texture from which to generate all" - echo "of the colors. It must be named "$base_texture" and must" - echo -e "be placed in the directory you ran this script from.\n" +if (( $? )) ; then { + echo -e "\nImagemagick failed while testing the base texture file." + echo -e "\nEither the base file 'red_base_"$TEXTURE".png isn't an image," + echo "or it is broken, or Imagemagick itself just didn't work." + echo -e "\nPlease check and correct your base image and try again." + echo -e "\nAborting.\n" exit 1 } fi -pushd . >/dev/null +composite_file="" + +if [ ! -z $COMPOSITE ] ; then { + convert $base_texture -modulate 1,2,3 $COMPOSITE -composite tempfile.png 1>/dev/null 2>/dev/null + + if (( $? )) ; then { + echo -e "\nImagemagick failed while testing the composite file." + echo -e "\nEither the composite file '"$COMPOSITE"' isn't an image" + echo "or it is broken, or Imagemagick itself just didn't work." + echo -e "\nPlease check and correct your composite image and try again." + echo -e "\nAborting.\n" + exit 1 + } fi + + composite_file=$COMPOSITE" -composite" +} fi + +rm tempfile.png + +base_colors="red orange yellow lime green aqua cyan skyblue blue violet magenta redviolet" + +echo -e -n "\nGenerating filenames based on "$base_texture +if [ ! -z $COMPOSITE ] ; then { + echo "," + echo -n "using "$COMPOSITE" as an overlay" +} fi +echo -e "...\n" + +rm -rf generated-textures mkdir generated-textures -cd generated-textures hue=0 for name in $base_colors ; do hue2=`echo "scale=10; ("$hue"*200/360)+100" |bc` echo $name "("$hue" degrees)" echo " dark" - convert ../$base_texture -modulate 33,100,$hue2 $TEXTURE"_dark_"$name".png" + convert $base_texture -modulate 33,100,$hue2 $composite_file "generated-textures/"$TEXTURE"_dark_"$name".png" echo " medium" - convert ../$base_texture -modulate 66,100,$hue2 $TEXTURE"_medium_"$name".png" + convert $base_texture -modulate 66,100,$hue2 $composite_file "generated-textures/"$TEXTURE"_medium_"$name".png" echo " bright" - convert ../$base_texture -modulate 100,100,$hue2 $TEXTURE"_"$name".png" + convert $base_texture -modulate 100,100,$hue2 $composite_file "generated-textures/"$TEXTURE"_"$name".png" echo " dark, 50% saturation" - convert ../$base_texture -modulate 33,50,$hue2 $TEXTURE"_dark_"$name"_s50.png" + convert $base_texture -modulate 33,50,$hue2 $composite_file "generated-textures/"$TEXTURE"_dark_"$name"_s50.png" echo " medium, 50% saturation" - convert ../$base_texture -modulate 66,50,$hue2 $TEXTURE"_medium_"$name"_s50.png" + convert $base_texture -modulate 66,50,$hue2 $composite_file "generated-textures/"$TEXTURE"_medium_"$name"_s50.png" echo " bright, 50% saturation" - convert ../$base_texture -modulate 100,50,$hue2 $TEXTURE"_"$name"_s50.png" + convert $base_texture -modulate 100,50,$hue2 $composite_file "generated-textures/"$TEXTURE"_"$name"_s50.png" hue=$((hue+30)) done echo "greyscales" echo " black" -convert ../$base_texture -modulate 15,0,0 $TEXTURE"_black.png" +convert $base_texture -modulate 15,0,0 $composite_file "generated-textures/"$TEXTURE"_black.png" echo " dark grey" -convert ../$base_texture -modulate 50,0,0 $TEXTURE"_darkgrey.png" +convert $base_texture -modulate 50,0,0 $composite_file "generated-textures/"$TEXTURE"_darkgrey.png" echo " medium grey" -convert ../$base_texture -modulate 100,0,0 $TEXTURE"_mediumgrey.png" +convert $base_texture -modulate 100,0,0 $composite_file "generated-textures/"$TEXTURE"_mediumgrey.png" echo " light grey" -convert ../$base_texture -modulate 150,0,0 $TEXTURE"_lightgrey.png" +convert $base_texture -modulate 150,0,0 $composite_file "generated-textures/"$TEXTURE"_lightgrey.png" echo " white" -convert ../$base_texture -modulate 190,0,0 $TEXTURE"_white.png" - -popd >/dev/null +convert $base_texture -modulate 190,0,0 $composite_file "generated-textures/"$TEXTURE"_white.png" |