New version of the gentextures script. Run it without any parameters to get
usage information.
This commit is contained in:
Vanessa Ezekowitz
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abb2107c5a
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112
gentextures.sh
112
gentextures.sh
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#!/bin/bash
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# This line defines the base of the filename, e.g. cotton_xxx_xxx.png
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TEXTURE="cotton"
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TEXTURE=$1
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COMPOSITE=$2
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# This defines the name of the bright red source texture that will
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# be used to generate all of the others.
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base_texture="red_base_"$TEXTURE".png"
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base_colors="red orange yellow lime green aqua cyan skyblue blue violet magenta redviolet"
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if [ -z $TEXTURE ] || [ $TEXTURE == "--help" ] || [ $TEXTURE == "-h" ] ; then {
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echo -e "\nCurrently configured to generate filenames based on "$TEXTURE"."
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if [ ! -e "$base_texture" ] ; then {
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echo -e "\nPlease supply a proper base texture from which to generate all"
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echo "of the colors. It must be named "$base_texture" and must"
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echo -e "be placed in the directory you ran this script from.\n"
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echo -e "\nUsage:"
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echo -e "\ngentextures.sh basename [overlay filename]"
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echo -e "\nThis script requires one or two parameters which supply the"
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echo -e "base filename of the textures, and an optional overlay. The"
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echo -e "<basename> is the first part of the filename that your textures"
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echo -e "will use when your mod is done. For example, if you supply the"
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echo -e "word 'cotton', this script will produce filenames like cotton_red.png"
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echo -e "or 'cotton_dark_blue_s50.png'. The texture that this script will"
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echo -e "read and recolor is derived from this parameter, and will be of"
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echo -e "the form 'red_base_xxxxx.png', where 'xxxx' is the basename."
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echo -e "\nYou can also supply an optional overlay image filename."
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echo -e "This image will be composited onto the output files after they"
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echo -e "have been colorized, but without being modified. This is useful"
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echo -e "when you have some part of your base image that will either get"
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echo -e "changed unpredictably or undesirably. Simply draw two images -"
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echo -e "one containing the whole image to be colored, and one containing"
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echo -e "the parts that should not be changed, with transparency where the"
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echo -e "base image should show through.\n"
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exit 1
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} fi
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pushd . >/dev/null
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if [[ ! -z $TEXTURE && ! -e $base_texture ]]; then {
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echo -e "\nThe basename 'red_base_"$TEXTURE".png' was not found."
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echo -e "\nAborting.\n"
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exit 1
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} fi
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if [[ ! -z $COMPOSITE && ! -e $COMPOSITE ]]; then {
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echo -e "\nThe requested composite file '"$COMPOSITE"' was not found."
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echo -e "\nAborting.\n"
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exit 1
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} fi
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convert $base_texture -modulate 1,2,3 tempfile.png 1>/dev/null 2>/dev/null
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if (( $? )) ; then {
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echo -e "\nImagemagick failed while testing the base texture file."
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echo -e "\nEither the base file 'red_base_"$TEXTURE".png isn't an image,"
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echo "or it is broken, or Imagemagick itself just didn't work."
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echo -e "\nPlease check and correct your base image and try again."
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echo -e "\nAborting.\n"
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exit 1
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} fi
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composite_file=""
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if [ ! -z $COMPOSITE ] ; then {
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convert $base_texture -modulate 1,2,3 $COMPOSITE -composite tempfile.png 1>/dev/null 2>/dev/null
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if (( $? )) ; then {
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echo -e "\nImagemagick failed while testing the composite file."
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echo -e "\nEither the composite file '"$COMPOSITE"' isn't an image"
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echo "or it is broken, or Imagemagick itself just didn't work."
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echo -e "\nPlease check and correct your composite image and try again."
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echo -e "\nAborting.\n"
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exit 1
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} fi
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composite_file=$COMPOSITE" -composite"
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} fi
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rm tempfile.png
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base_colors="red orange yellow lime green aqua cyan skyblue blue violet magenta redviolet"
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echo -e -n "\nGenerating filenames based on "$base_texture
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if [ ! -z $COMPOSITE ] ; then {
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echo ","
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echo -n "using "$COMPOSITE" as an overlay"
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} fi
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echo -e "...\n"
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rm -rf generated-textures
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mkdir generated-textures
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cd generated-textures
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hue=0
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for name in $base_colors ; do
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hue2=`echo "scale=10; ("$hue"*200/360)+100" |bc`
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echo $name "("$hue" degrees)"
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echo " dark"
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convert ../$base_texture -modulate 33,100,$hue2 $TEXTURE"_dark_"$name".png"
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convert $base_texture -modulate 33,100,$hue2 $composite_file "generated-textures/"$TEXTURE"_dark_"$name".png"
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echo " medium"
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convert ../$base_texture -modulate 66,100,$hue2 $TEXTURE"_medium_"$name".png"
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convert $base_texture -modulate 66,100,$hue2 $composite_file "generated-textures/"$TEXTURE"_medium_"$name".png"
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echo " bright"
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convert ../$base_texture -modulate 100,100,$hue2 $TEXTURE"_"$name".png"
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convert $base_texture -modulate 100,100,$hue2 $composite_file "generated-textures/"$TEXTURE"_"$name".png"
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echo " dark, 50% saturation"
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convert ../$base_texture -modulate 33,50,$hue2 $TEXTURE"_dark_"$name"_s50.png"
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convert $base_texture -modulate 33,50,$hue2 $composite_file "generated-textures/"$TEXTURE"_dark_"$name"_s50.png"
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echo " medium, 50% saturation"
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convert ../$base_texture -modulate 66,50,$hue2 $TEXTURE"_medium_"$name"_s50.png"
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convert $base_texture -modulate 66,50,$hue2 $composite_file "generated-textures/"$TEXTURE"_medium_"$name"_s50.png"
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echo " bright, 50% saturation"
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convert ../$base_texture -modulate 100,50,$hue2 $TEXTURE"_"$name"_s50.png"
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convert $base_texture -modulate 100,50,$hue2 $composite_file "generated-textures/"$TEXTURE"_"$name"_s50.png"
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hue=$((hue+30))
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done
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echo "greyscales"
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echo " black"
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convert ../$base_texture -modulate 15,0,0 $TEXTURE"_black.png"
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convert $base_texture -modulate 15,0,0 $composite_file "generated-textures/"$TEXTURE"_black.png"
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echo " dark grey"
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convert ../$base_texture -modulate 50,0,0 $TEXTURE"_darkgrey.png"
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convert $base_texture -modulate 50,0,0 $composite_file "generated-textures/"$TEXTURE"_darkgrey.png"
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echo " medium grey"
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convert ../$base_texture -modulate 100,0,0 $TEXTURE"_mediumgrey.png"
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convert $base_texture -modulate 100,0,0 $composite_file "generated-textures/"$TEXTURE"_mediumgrey.png"
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echo " light grey"
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convert ../$base_texture -modulate 150,0,0 $TEXTURE"_lightgrey.png"
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convert $base_texture -modulate 150,0,0 $composite_file "generated-textures/"$TEXTURE"_lightgrey.png"
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echo " white"
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convert ../$base_texture -modulate 190,0,0 $TEXTURE"_white.png"
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popd >/dev/null
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convert $base_texture -modulate 190,0,0 $composite_file "generated-textures/"$TEXTURE"_white.png"
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