if [ x"$3" = x"map" ]; then
lasttex=$2
- if [ -n "$AUDIT_ALPHACHANNELS" ]; then
+ 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 "(EE) shader $1 uses broken normalmap ${2}_norm.tga (add dpoffsetmapping none)"; seterror
+ 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 $median)"; seterror
fi
default) # offsetmapping keyword without bias
getstats "../${2}_norm.tga"
if [ "$min" -eq "$max" ]; then
- echo "(EE) shader $1 uses broken normalmap ${2}_norm.tga, maybe use dpoffsetmapping none?"; seterror
+ echo "(WW) shader $1 uses broken normalmap ${2}_norm.tga, maybe use dpoffsetmapping none?"
else
echo "(EE) shader $1 uses ${2}_norm.tga but lacks median (add to dpoffsetmapping: match8 $median)"; seterror
fi
esac
else
if [ -n "$offsetmapping_match8" ]; then
- echo "(EE) shader $1 specifies offsetmapping, but texture $2 does not have a normalmap"
+ echo "(WW) shader $1 specifies offsetmapping, but texture $2 does not have a normalmap"
fi
fi
fi
{
ss_blendfunc=none
ss_alphafunc=none
+ ss_alphagen=none
ss_map=
while read L A1 Aother; do
case "`echo "$L" | tr A-Z a-z`" in
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
;;
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 [ $min -eq 255 ]; then
- echo "(EE) $parsing_shader uses alpha-less texture $ss_map with blendfunc $ss_blendfunc"; seterror
- fi
- ;;
- add|"gl_one gl_one")
- # texture must not have alpha (engine bug)
- if [ $min -lt 255 ]; then
- echo "(EE) $parsing_shader uses alpha-using texture $ss_map with blendfunc $ss_blendfunc"; seterror
- fi
- ;;
- *)
- case "$ss_alphafunc" in
- g*)
- # texture must have alpha
- if [ $min -eq 255 ]; then
- echo "(EE) $parsing_shader uses alpha-less texture $ss_map with alphafunc $ss_alphafunc"; seterror
- fi
- ;;
- *)
- # texture should not have alpha (no bug if not)
- if [ $min -lt 255 ]; then
- echo "(WW) $parsing_shader uses alpha-using texture $ss_map with blendfunc $ss_blendfunc and alphafunc $ss_alphafunc"
- fi
- ;;
- esac
- ;;
- esac
+ if [ -n "$ss_map" ]; then
+ if [ -z "$maintexture" ]; then
+ maintexture=$ss_map
+ mainblendfunc=$ss_blendfunc
+ mainalphafunc=$ss_alphafunc
+ mainalphagen=$ss_alphagen
+ elif [ x"$ss_alphagen" = x"vertex" ] && ! $textureblending; then
+ case "$mainblendfunc:$mainalphafunc:$ss_blendfunc:$ss_alphafunc" in
+ none:none:"gl_src_alpha gl_one_minus_src_alpha":none) textureblending=true ;;
+ none:none:filter:none) textureblending=true ;;
+ none:none:none:g*) textureblending=true ;;
+ "gl_one gl_zero":none:filter:none) textureblending=true ;;
+ "gl_one gl_zero":none:none:g*) textureblending=true ;;
+ *)
+ echo "(EE) texture blending requires first stage to have no blendfunc/alphatest, and requires second stage to be blendfunc filter"; seterror
+ ;;
+ esac
+ else
+ echo "(EE) multistage shader without alphagen vertex, or using more than 2 stages, is not supported by DarkPlaces"; seterror
+ fi
fi
}
{
use_texture "$parsing_shader" "$parsing_shader" shader
offsetmapping_match8=
+ textureblending=false
+ maintexture=
while read L A1 Aother; do
case "`echo "$L" | tr A-Z a-z`" in
dpoffsetmapping)
;;
esac
done
+ if [ -n "$AUDIT_ALPHACHANNELS" ] && [ -n "$maintexture" ] && ! $textureblending; then
+ getstats "../$maintexture.tga" || getstats "../$maintexture.png" || getstats "../$maintexture.jpg"
+ case "$mainblendfunc" in
+ *src_alpha*|*blend*)
+ # texture must have alpha
+ if [ x"$mainalphagen" = x"none" -a $min -eq 255 ]; then
+ echo "(EE) $parsing_shader uses alpha-less texture $maintexture with blendfunc $mainblendfunc and alphagen $mainalphagen"; seterror
+ fi
+ ;;
+ add|"gl_one gl_one")
+ # texture must not have alpha (engine bug)
+ if [ x"$mainalphagen" != x"none" -o $min -lt 255 ]; then
+ echo "(EE) $parsing_shader uses alpha-using texture $maintexture with blendfunc $mainblendfunc and alphagen $mainalphagen"; seterror
+ fi
+ ;;
+ *)
+ case "$mainalphafunc" in
+ g*)
+ # texture must have alpha
+ if [ x"$mainalphagen" = x"none" -a $min -eq 255 ]; then
+ echo "(EE) $parsing_shader uses alpha-less texture $maintexture with alphafunc $mainalphafunc and alphagen $mainalphagen"; seterror
+ fi
+ ;;
+ *)
+ # texture should not have alpha (no bug if not)
+ case "$mainalphagen" in
+ none)
+ if [ $min -lt 255 ]; then
+ echo "(WW) $parsing_shader uses alpha-using texture $maintexture with blendfunc $mainblendfunc and alphafunc $mainalphafunc and alphagen $mainalphagen"
+ fi
+ ;;
+ *)
+ # alphagen is set, but blendfunc has no use for it
+ echo "(EE) $parsing_shader uses alpha-using texture $maintexture with blendfunc $mainblendfunc and alphafunc $mainalphafunc and alphagen $mainalphagen"; seterror
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ fi
}
parse_shaderfile()
projects / xonotic / xonotic-maps.pk3dir.git / blobdiff