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Remove generate-texture-normals.sh

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Minetest does not use normal maps any more.
This commit is contained in:
ShadowNinja 2022-04-03 12:52:23 -04:00 committed by rubenwardy
parent 80db8804c7
commit 833538cc90
1 changed files with 0 additions and 255 deletions
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255
util/generate-texture-normals.sh
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@ -1,255 +0,0 @@
#!/bin/bash
# This script generates normalmaps using The GIMP to do the heavy lifting.
# give any unrecognized switch (say, -h) for usage info.
rm /tmp/normals_filelist.txt
numprocs=6
skiptools=false
skipinventory=false
invresolution=64
dryrun=false
pattern="*.png *.jpg"
filter=0
scale=8
wrap=0
heightsource=0
conversion=0
invertx=0
inverty=0
while test -n "$1"; do
case "$1" in
--scale|-s)
if [ -z "$2" ] ; then echo "Missing scale parameter"; exit 1; fi
scale=$2
shift
shift
;;
--pattern|-p)
if [ -z "$2" ] ; then echo "Missing pattern parameter"; exit 1; fi
pattern=$2
shift
shift
;;
--skiptools|-t)
skiptools=true
shift
;;
--skipinventory|-i)
if [[ $2 =~ ^[0-9]+$ ]]; then
invresolution=$2
shift
fi
skipinventory=true
shift
;;
--filter|-f)
if [ -z "$2" ] ; then echo "Missing filter parameter"; exit 1; fi
case "$2" in
sobel3|1)
filter=1
;;
sobel5|2)
filter=2
;;
prewitt3|3)
filter=3
;;
prewitt5|4)
filter=4
;;
3x3|5)
filter=5
;;
5x5|6)
filter=6
;;
7x7|7)
filter=7
;;
9x9|8)
filter=8
;;
*)
filter=0
;;
esac
shift
shift
;;
--heightalpha|-a)
heightsource=1
shift
;;
--conversion|-c)
if [ -z "$2" ] ; then echo "Missing conversion parameter"; exit 1; fi
case "$2" in
biased|1)
conversion=1
;;
red|2)
conversion=2
;;
green|3)
conversion=3
;;
blue|4)
conversion=4
;;
maxrgb|5)
conversion=5
;;
minrgb|6)
conversion=6
;;
colorspace|7)
conversion=7
;;
normalize-only|8)
conversion=8
;;
heightmap|9)
conversion=9
;;
*)
conversion=0
;;
esac
shift
shift
;;
--wrap|-w)
wrap=1
shift
;;
--invertx|-x)
invertx=1
shift
;;
--inverty|-y)
inverty=1
shift
;;
--dryrun|-d)
dryrun=true
shift
;;
*)
echo -e "\nUsage:\n"
echo "`basename $0` [--scale|-s <value>] [--filter|-f <string>]"
echo " [--wrap|-w] [--heightalpha|-a] [--invertx|-x] [--inverty|-y]"
echo " [--conversion|-c <string>] [--skiptools|-t] [--skipinventory|-i [<value>]]"
echo " [--dryrun|-d] [--pattern|-p <pattern>]"
echo -e "\nDefaults to a scale of 8, checking all files in the current directory, and not"
echo "skipping apparent tools or inventory images. Filter, if specified, may be one"
echo "of: sobel3, sobel5, prewitt3, prewitt5, 3x3, 5x5, 7x7, or 9x9, or a value 1"
echo "through 8 (1=sobel3, 2=sobel5, etc.). Defaults to 0 (four-sample). The height"
echo "source is taken from the image's alpha channel if heightalpha is specified.\n"
echo ""
echo "If inventory skip is specified, an optional resolution may also be included"
echo "(default is 64). Conversion can be one of: biased, red, green, blue, maxrgb,"
echo "minrgb, colorspace, normalize-only, heightmap or a value from 1 to 9"
echo "corresponding respectively to those keywords. Defaults to 0 (simple"
echo "normalize) if not specified. Wrap, if specified, enables wrapping of the"
echo "normalmap around the edges of the texture (defaults to no). Invert X/Y"
echo "reverses the calculated gradients for the X and/or Y dimensions represented"
echo "by the normalmap (both default to non-inverted)."
echo ""
echo "The pattern, can be an escaped pattern string such as \*apple\* or"
echo "default_\*.png or similar (defaults to all PNG and JPG images in the current"
echo "directory that do not contain \"_normal\" or \"_specular\" in their filenames)."
echo ""
echo "If set for dry-run, the actions this script will take will be printed, but no"
echo "images will be generated. Passing an invalid value to a switch will generally"
echo "cause that switch to revert to its default value."
echo ""
exit 1
;;
esac
done
echo -e "\nProcessing files based on pattern \"$pattern\" ..."
normalMap()
{
out=`echo "$1" | sed 's/.png/_normal.png/' | sed 's/.jpg/_normal.png/'`
echo "Launched process to generate normalmap: \"$1\" --> \"$out\"" >&2
gimp -i -b "
(define
(normalMap-fbx-conversion fileName newFileName filter nscale wrap heightsource conversion invertx inverty)
(let*
(
(image (car (gimp-file-load RUN-NONINTERACTIVE fileName fileName)))
(drawable (car (gimp-image-get-active-layer image)))
(drawable (car (gimp-image-flatten image)))
)
(if (> (car (gimp-drawable-type drawable)) 1)
(gimp-convert-rgb image) ()
)
(plug-in-normalmap
RUN-NONINTERACTIVE
image
drawable
filter
0.0
nscale
wrap
heightsource
0
conversion
0
invertx
inverty
0
0.0
drawable)
(gimp-file-save RUN-NONINTERACTIVE image drawable newFileName newFileName)
(gimp-image-delete image)
)
)
(normalMap-fbx-conversion \"$1\" \"$out\" $2 $3 $4 $5 $6 $7 $8)" -b '(gimp-quit 0)'
}
export -f normalMap
for file in `ls $pattern |grep -v "_normal.png"|grep -v "_specular"` ; do
invtest=`file "$file" |grep "$invresolution x $invresolution"`
if $skipinventory && [ -n "$invtest" ] ; then
echo "Skipped presumed "$invresolution"px inventory image: $file" >&2
continue
fi
tooltest=`echo "$file" \
| grep -v "_tool" \
| grep -v "_shovel" \
| grep -v "_pick" \
| grep -v "_axe" \
| grep -v "_sword" \
| grep -v "_hoe" \
| grep -v "bucket_"`
if $skiptools && [ -z "$tooltest" ] ; then
echo "Skipped presumed tool image: $file" >&2
continue
fi
if $dryrun ; then
echo "Would have generated a normalmap for $file" >&2
continue
else
echo \"$file\" $filter $scale $wrap $heightsource $conversion $invertx $inverty
fi
done | xargs -P $numprocs -n 8 -I{} bash -c normalMap\ \{\}\ \{\}\ \{\}\ \{\}\ \{\}\ \{\}\ \{\}\ \{\}