allowed_prefixes=
forbidden_prefixes=
+getstats_e()
+{
+ identify -verbose -depth 8 -alpha set -alpha extract "$1" | {
+ pix=0
+ while read -r L V R; do
+ case "$L" in
+ Geometry:)
+ V=${V%%[-+]*}
+ pix=$(( (${V%%x*} * ${V#*x}) / 2 ))
+ ;;
+ min:)
+ min=$V
+ ;;
+ max:)
+ max=$V
+ ;;
+ [0-9]*:)
+ pix=$(( $pix - ${L%:} ))
+ if [ $pix -le 0 ]; then
+ median=`echo "$V $R" | cut -d , -f 1 | tr -cd 0-9`
+ break
+ fi
+ esac
+ done
+ cat >/dev/null
+ echo "min=$min"
+ echo "max=$max"
+ echo "median=$median"
+ echo "error=false"
+ }
+}
+getstats()
+{
+ min=255
+ max=255
+ median=255
+ error=true
+ [ -f "$1" ] || return 1
+ eval `getstats_e "$1"`
+}
+
textures_used=
# $1 = shader
# $2 = texture
fi
textures_used="$textures_used$LF$2"
+ if [ x"$3" = x"map" ]; then
+ lasttex=$2
+ if [ -n "$AUDIT_ALPHACHANNELS" ] && [ x"$offsetmapping_match8" != x"firststagedone" ]; then
+ if [ -f "../${2}_norm.tga" ] || [ -f "../${2}_norm.png" ] || [ -f "../${2}_norm.jpg" ]; then
+ case "$offsetmapping_match8" in
+ '') # no dpoffsetmapping keyword
+ getstats "../${2}_norm.tga" || getstats "../${2}_norm.png" || getstats "../${2}_norm.jpg"
+ if [ "$min" -eq "$max" ]; then
+ echo "(WW) shader $1 uses broken normalmap ${2}_norm.tga (add dpoffsetmapping none)"
+ else
+ echo "(EE) shader $1 uses ${2}_norm.tga but lacks median (add dpoffsetmapping - 1 match8 $median)"; seterror
+ fi
+ ;;
+ none) # offsetmapping turned off explicitly
+ ;;
+ default) # offsetmapping keyword without bias
+ getstats "../${2}_norm.tga"
+ if [ "$min" -eq "$max" ]; then
+ echo "(EE) shader $1 uses broken normalmap ${2}_norm.tga, maybe use dpoffsetmapping none?"; seterror
+ else
+ echo "(EE) shader $1 uses ${2}_norm.tga but lacks median (add to dpoffsetmapping: match8 $median)"; seterror
+ fi
+ ;;
+ *) # offsetmapping keyword with bias
+ ;;
+ esac
+ else
+ if [ -n "$offsetmapping_match8" ]; then
+ echo "(EE) shader $1 specifies offsetmapping, but texture $2 does not have a normalmap"
+ fi
+ fi
+ fi
+ fi
+
if [ -n "$allowed_prefixes" ]; then
ok=false
for p in $allowed_prefixes; do
;;
esac
;;
- ## RULE: textures/FOO/* must use textures/FOO/*, for FOO in decals, liquids_water, liquids_slime, liquids_lava, warpzone
- textures/decals/*|textures/liquids_water/*|textures/liquids_slime/*|textures/liquids_lava/*|textures/warpzone/*|textures/effects_*)
+ ## RULE: textures/FOO/* must use textures/FOO/*, for FOO in decals, liquids_water, liquids_slime, liquids_lava
+ textures/decals/*|textures/liquids_*/*|textures/effects_*/*|textures/screens/*|textures/logos/*)
pre=`echo "$1" | cut -d / -f 1-2`
case "$2" in
"$pre"/*)
parsing_shader=
parse_shaderstage()
{
+ ss_blendfunc=none
+ ss_alphafunc=none
+ ss_alphagen=none
+ ss_map=
while read L A1 Aother; do
- case "$L" in
- map)
+ case "`echo "$L" | tr A-Z a-z`" in
+ blendfunc)
+ ss_blendfunc=`echo $A1 $Aother | tr A-Z a-z`
+ ;;
+ alphafunc)
+ ss_alphafunc=`echo $A1 | tr A-Z a-z`
+ ;;
+ alphagen)
+ ss_alphagen=`echo $A1 | tr A-Z a-z`
+ ;;
+ map|clampmap)
case "$A1" in
'$lightmap')
;;
*)
use_texture "$parsing_shader" "`normalize "$A1"`" map
+ ss_map="`normalize "$A1"`"
+ offsetmapping_match8=firststagedone
;;
esac
;;
for X in $Aother; do
use_texture "$parsing_shader" "`normalize "$X"`" animmap
done
+ for X in $Aother; do
+ ss_map="`normalize "$X"`"
+ break
+ done
+ ;;
+ '{')
+ echo "(EE) brace nesting error in $parsing_shader"; seterror
;;
'}')
break
;;
esac
done
+
+ if [ -n "$AUDIT_ALPHACHANNELS" ] && [ -n "$ss_map" ]; then
+ getstats "../$ss_map.tga" || getstats "../$ss_map.png" || getstats "../$ss_map.jpg"
+ case "$ss_blendfunc" in
+ *src_alpha*|*blend*)
+ # texture must have alpha
+ if [ x"$ss_alphagen" = x"none" -a $min -eq 255 ]; then
+ echo "(EE) $parsing_shader uses alpha-less texture $ss_map with blendfunc $ss_blendfunc and alphagen $ss_alphagen"; seterror
+ fi
+ ;;
+ add|"gl_one gl_one")
+ # texture must not have alpha (engine bug)
+ if [ x"$ss_alphagen" != x"none" -o $min -lt 255 ]; then
+ echo "(EE) $parsing_shader uses alpha-using texture $ss_map with blendfunc $ss_blendfunc and alphagen $ss_alphagen"; seterror
+ fi
+ ;;
+ *)
+ case "$ss_alphafunc" in
+ g*)
+ # texture must have alpha
+ if [ x"$ss_alphagen" = x"none" -a $min -eq 255 ]; then
+ echo "(EE) $parsing_shader uses alpha-less texture $ss_map with alphafunc $ss_alphafunc and alphagen $ss_alphagen"; seterror
+ fi
+ ;;
+ *)
+ # texture should not have alpha (no bug if not)
+ case "$ss_alphagen" in
+ none)
+ if [ $min -lt 255 ]; then
+ echo "(WW) $parsing_shader uses alpha-using texture $ss_map with blendfunc $ss_blendfunc and alphafunc $ss_alphafunc and alphagen $ss_alphagen"
+ fi
+ ;;
+ *)
+ # alphagen is set, but blendfunc has no use for it
+ echo "(EE) $parsing_shader uses alpha-using texture $ss_map with blendfunc $ss_blendfunc and alphafunc $ss_alphafunc and alphagen $ss_alphagen"; seterror
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ fi
}
parse_shader()
{
use_texture "$parsing_shader" "$parsing_shader" shader
+ offsetmapping_match8=
while read L A1 Aother; do
- case "$L" in
+ case "`echo "$L" | tr A-Z a-z`" in
+ dpoffsetmapping)
+ set -- $Aother
+ if [ x"$A1" = x"none" ]; then
+ offsetmapping_match8=none
+ elif [ x"$A1" = x"off" ]; then
+ offsetmapping_match8=none
+ elif [ x"$A1" = x"disabled" ]; then
+ offsetmapping_match8=none
+ elif [ x"$2" = x"match8" ]; then
+ offsetmapping_match8=`echo "($3 + 0.5) / 1" | bc`
+ elif [ x"$2" = x"match16" ]; then
+ offsetmapping_match8=`echo "($3 / 257 + 0.5) / 1" | bc`
+ elif [ x"$2" = x"match" ]; then
+ offsetmapping_match8=`echo "($3 * 255 + 0.5) / 1" | bc`
+ elif [ x"$2" = x"bias" ]; then
+ offsetmapping_match8=`echo "((1 - $3) * 255 + 0.5) / 1" | bc`
+ else
+ offsetmapping_match8=default
+ fi
+ ;;
qer_editorimage)
use_texture "$parsing_shader" "`normalize "$A1"`" editorimage
;;
done
rm -f "$t"
-textures_avail=`( cd ..; find textures/ -type f -not -name '*_norm.*' -not -name '*_glow.*' -not -name '*_gloss.*' -not -name '*_reflect.*' -not -name '*.xcf' ) | while IFS= read -r T; do normalize "$T"; done | sort -u`
+textures_avail=`( cd ..; find textures/ -type f -not -name '*.sh' -not -name '*_norm.*' -not -name '*_glow.*' -not -name '*_gloss.*' -not -name '*_reflect.*' -not -name '*.xcf' ) | while IFS= read -r T; do normalize "$T"; done | sort -u`
textures_used=`echo "${textures_used#$LF}" | sort -u`
echo "$textures_used$LF$textures_used$LF$textures_avail" | sort | uniq -u | while IFS= read -r L; do