256 lines
5.8 KiB
Bash
Executable File
256 lines
5.8 KiB
Bash
Executable File
#!/bin/bash
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# This script generates normalmaps using The GIMP to do the heavy lifting.
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# give any unrecognized switch (say, -h) for usage info.
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rm /tmp/normals_filelist.txt
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numprocs=6
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skiptools=false
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skipinventory=false
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invresolution=64
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dryrun=false
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pattern="*.png *.jpg"
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filter=0
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scale=8
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wrap=0
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heightsource=0
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conversion=0
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invertx=0
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inverty=0
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while test -n "$1"; do
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case "$1" in
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--scale|-s)
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if [ -z "$2" ] ; then echo "Missing scale parameter"; exit 1; fi
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scale=$2
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shift
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shift
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;;
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--pattern|-p)
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if [ -z "$2" ] ; then echo "Missing pattern parameter"; exit 1; fi
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pattern=$2
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shift
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shift
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;;
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--skiptools|-t)
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skiptools=true
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shift
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;;
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--skipinventory|-i)
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if [[ $2 =~ ^[0-9]+$ ]]; then
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invresolution=$2
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shift
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fi
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skipinventory=true
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shift
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;;
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--filter|-f)
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if [ -z "$2" ] ; then echo "Missing filter parameter"; exit 1; fi
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case "$2" in
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sobel3|1)
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filter=1
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;;
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sobel5|2)
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filter=2
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;;
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prewitt3|3)
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filter=3
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;;
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prewitt5|4)
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filter=4
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;;
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3x3|5)
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filter=5
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;;
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5x5|6)
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filter=6
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;;
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7x7|7)
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filter=7
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;;
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9x9|8)
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filter=8
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;;
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*)
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filter=0
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;;
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esac
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shift
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shift
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;;
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--heightalpha|-a)
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heightsource=1
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shift
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;;
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--conversion|-c)
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if [ -z "$2" ] ; then echo "Missing conversion parameter"; exit 1; fi
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case "$2" in
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biased|1)
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conversion=1
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;;
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red|2)
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conversion=2
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;;
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green|3)
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conversion=3
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;;
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blue|4)
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conversion=4
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;;
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maxrgb|5)
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conversion=5
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;;
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minrgb|6)
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conversion=6
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;;
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colorspace|7)
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conversion=7
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;;
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normalize-only|8)
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conversion=8
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;;
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heightmap|9)
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conversion=9
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;;
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*)
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conversion=0
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;;
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esac
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shift
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shift
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;;
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--wrap|-w)
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wrap=1
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shift
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;;
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--invertx|-x)
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invertx=1
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shift
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;;
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--inverty|-y)
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inverty=1
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shift
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;;
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--dryrun|-d)
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dryrun=true
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shift
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;;
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*)
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echo -e "\nUsage:\n"
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echo "`basename $0` [--scale|-s <value>] [--filter|-f <string>]"
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echo " [--wrap|-w] [--heightalpha|-a] [--invertx|-x] [--inverty|-y]"
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echo " [--conversion|-c <string>] [--skiptools|-t] [--skipinventory|-i [<value>]]"
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echo " [--dryrun|-d] [--pattern|-p <pattern>]"
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echo -e "\nDefaults to a scale of 8, checking all files in the current directory, and not"
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echo "skipping apparent tools or inventory images. Filter, if specified, may be one"
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echo "of: sobel3, sobel5, prewitt3, prewitt5, 3x3, 5x5, 7x7, or 9x9, or a value 1"
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echo "through 8 (1=sobel3, 2=sobel5, etc.). Defaults to 0 (four-sample). The height"
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echo "source is taken from the image's alpha channel if heightalpha is specified.\n"
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echo ""
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echo "If inventory skip is specified, an optional resolution may also be included"
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echo "(default is 64). Conversion can be one of: biased, red, green, blue, maxrgb,"
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echo "minrgb, colorspace, normalize-only, heightmap or a value from 1 to 9"
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echo "corresponding respectively to those keywords. Defaults to 0 (simple"
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echo "normalize) if not specified. Wrap, if specified, enables wrapping of the"
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echo "normalmap around the edges of the texture (defaults to no). Invert X/Y"
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echo "reverses the calculated gradients for the X and/or Y dimensions represented"
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echo "by the normalmap (both default to non-inverted)."
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echo ""
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echo "The pattern, can be an escaped pattern string such as \*apple\* or"
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echo "default_\*.png or similar (defaults to all PNG and JPG images in the current"
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echo "directory that do not contain \"_normal\" or \"_specular\" in their filenames)."
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echo ""
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echo "If set for dry-run, the actions this script will take will be printed, but no"
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echo "images will be generated. Passing an invalid value to a switch will generally"
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echo "cause that switch to revert to its default value."
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echo ""
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exit 1
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;;
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esac
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done
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echo -e "\nProcessing files based on pattern \"$pattern\" ..."
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normalMap()
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{
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out=`echo "$1" | sed 's/.png/_normal.png/' | sed 's/.jpg/_normal.png/'`
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echo "Launched process to generate normalmap: \"$1\" --> \"$out\"" >&2
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gimp -i -b "
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(define
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(normalMap-fbx-conversion fileName newFileName filter nscale wrap heightsource conversion invertx inverty)
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(let*
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(
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(image (car (gimp-file-load RUN-NONINTERACTIVE fileName fileName)))
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(drawable (car (gimp-image-get-active-layer image)))
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(drawable (car (gimp-image-flatten image)))
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)
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(if (> (car (gimp-drawable-type drawable)) 1)
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(gimp-convert-rgb image) ()
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)
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(plug-in-normalmap
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RUN-NONINTERACTIVE
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image
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drawable
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filter
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0.0
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nscale
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wrap
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heightsource
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0
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conversion
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0
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invertx
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inverty
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0
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0.0
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drawable)
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(gimp-file-save RUN-NONINTERACTIVE image drawable newFileName newFileName)
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(gimp-image-delete image)
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)
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)
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(normalMap-fbx-conversion \"$1\" \"$out\" $2 $3 $4 $5 $6 $7 $8)" -b '(gimp-quit 0)'
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}
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export -f normalMap
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for file in `ls $pattern |grep -v "_normal.png"|grep -v "_specular"` ; do
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invtest=`file "$file" |grep "$invresolution x $invresolution"`
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if $skipinventory && [ -n "$invtest" ] ; then
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echo "Skipped presumed "$invresolution"px inventory image: $file" >&2
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continue
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fi
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tooltest=`echo "$file" \
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| grep -v "_tool" \
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| grep -v "_shovel" \
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| grep -v "_pick" \
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| grep -v "_axe" \
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| grep -v "_sword" \
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| grep -v "_hoe" \
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| grep -v "bucket_"`
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if $skiptools && [ -z "$tooltest" ] ; then
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echo "Skipped presumed tool image: $file" >&2
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continue
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fi
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if $dryrun ; then
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echo "Would have generated a normalmap for $file" >&2
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continue
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else
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echo \"$file\" $filter $scale $wrap $heightsource $conversion $invertx $inverty
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fi
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done | xargs -P $numprocs -n 8 -I{} bash -c normalMap\ \{\}\ \{\}\ \{\}\ \{\}\ \{\}\ \{\}\ \{\}\ \{\}
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