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Added a version of gentextures that uses jpeg for the base and output images
(overlay still needs to be png or some other alpha-capable format).
This commit is contained in:
Vanessa Ezekowitz
parent
a865a081a7
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652a0c9a89
183
gentextures-jpg.sh
Executable file
183
gentextures-jpg.sh
Executable file
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#!/bin/bash
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# This program auto-generates colorized textures for all 89 of the Unified
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# Dyes colors, based on one or two input files.
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# Copyright (C) 2012-2013, Vanessa Ezekowitz
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# Email: vanessaezekowitz@gmail.com
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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if [ -z "`which convert`" ] ; then {
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echo "Please install Imagemagick."
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exit 1
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} fi
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if [ -z "`which bc`" ] ; then {
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echo "Please install GNU bc."
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exit 1
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} fi
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if [ $1 = "-t" ] ; then {
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TINT_OVERLAY=$1
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BASE=$2
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COMPOSITE=$3
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} else {
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TINT_OVERLAY=""
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BASE=$1
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COMPOSITE=$2
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} fi
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if [ -z $1 ] || [ $1 == "--help" ] || [ $1 == "-h" ] || [[ $1 == "-t" && -z $3 ]] ; then {
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echo -e "\nUsage:
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\ngentextures.sh basename [overlay_filename]
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gentextures.sh -t basename overlay_filename
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\nThis script requires up to three parameters which supply the base
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filename of the textures, an optional .png overlay, and possibly the
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'-t' switch. The 'basename' is the first part of the filename that your
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textures will use when your mod is done, which should almost always be
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the same as the one-word name of your mod. For example, if you supply
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the word 'mymod', this script will produce filenames like mymod_red.jpg
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or 'mymod_dark_blue_s50.jpg'. The texture that this script will read
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and recolor is derived from this parameter, and will be of the form
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'basename_base.jpg', i.e. 'mymod_base.jpg'. \nYou can also supply an
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overlay image filename. This image needs to be a .png or .gif or some
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other alpha-capable format supported by ImageMagick, and will be
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composited onto the output files after they have been colorized, but
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without being modified. This is useful when you have some part of your
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base image that will either get changed undesirably (for example, the
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mortar among several bricks, or the shading detail of a stone pattern).
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Simply draw two images: one containing the whole image to be colored,
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and one containing the parts that should not be changed, with either
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full or partial alpha transparency where the re-colored base image
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should show through. Skilled use of color and alpha on this overlay can
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lead to some interesting effects. \nIf you add '-t' as the first
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parameter, the script will switch to 'tint overlay' mode. For this mode
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to work, you must also supply the base name as usual, and you must
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include an overlay image filename. Rather than re-color the base
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texture, the script will alter the hue/saturation/value of the overlay
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texture file instead, and leave the base texture unchanged. When using
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this mode, the base texture should be drawn in some neutral color, but
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any color is fine if it results in what you wanted.\n"
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exit 1
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} fi
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if [[ ! -e $BASE"_base.jpg" ]]; then {
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echo -e "\nThe basename '"$BASE"_base.jpg' 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"_base.jpg" -modulate 1,2,3 tempfile.jpg 1>/dev/null 2>/dev/null
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if (( $? )) ; then {
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echo -e "\nImagemagick failed while testing the base texture file."
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echo -e "\nEither the base file '"$BASE"_base.jpg' 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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if [ ! -z $COMPOSITE ] ; then {
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convert $BASE"_base.jpg" -modulate 1,2,3 $COMPOSITE -composite tempfile.jpg 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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} fi
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rm tempfile.jpg
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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"_base.jpg"
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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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if [ ! -z $TINT_OVERLAY ] ; then {
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echo ","
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echo -n "and tinting the overlay instead of the base texture"
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} fi
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echo -e "...\n"
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mkdir -p generated-textures
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function generate_texture () {
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name=$1
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h=$2
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s=$3
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v=$4
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if [ -z $TINT_OVERLAY ]; then {
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if [ -z $COMPOSITE ]; then {
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convert $BASE"_base.jpg" -modulate $v,$s,$h -quality 97 "generated-textures/"$BASE"_"$name".jpg"
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} else {
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convert $BASE"_base.jpg" -modulate $v,$s,$h -quality 97 $COMPOSITE -composite "generated-textures/"$BASE"_"$name".jpg"
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} fi
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} else {
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convert $COMPOSITE -modulate $v,$s,$h -quality 97 MIFF:- | composite MIFF:- $BASE"_base.jpg" "generated-textures/"$BASE"_"$name".jpg"
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} fi
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}
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hue=0
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for color_name in $base_colors ; do
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hue2=`echo "scale=10; ("$hue"*200/360)+100" |bc`
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echo $color_name "("$hue" degrees)"
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echo " dark"
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generate_texture "dark_"$color_name $hue2 100 33
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echo " medium"
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generate_texture "medium_"$color_name $hue2 100 66
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echo " full"
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generate_texture $color_name $hue2 100 100
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echo " light"
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generate_texture "light_"$color_name $hue2 100 150
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echo " dark, 50% saturation"
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generate_texture "dark_"$color_name"_s50" $hue2 50 33
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echo " medium, 50% saturation"
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generate_texture "medium_"$color_name"_s50" $hue2 50 66
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echo " full, 50% saturation"
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generate_texture $color_name"_s50" $hue2 50 100
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hue=$((hue+30))
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done
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echo "greyscales"
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echo " black"
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generate_texture black 0 0 15
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echo " dark grey"
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generate_texture darkgrey 0 0 50
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echo " medium grey"
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generate_texture grey 0 0 100
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echo " light grey"
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generate_texture lightgrey 0 0 150
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echo " white"
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generate_texture white 0 0 190
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