Merge branch 'darks' into 'master'

Support 'Darks' Mod

Closes #28

See merge request Df458/rpg16!47

darks/alphas.txt

@@ -0,0 +1,2 @@
+# Set darkness to 90% transparency
+darks/darkness.png,90%

export.sh

@@ -54,7 +54,7 @@ function makeClones() {
 function makeAlphas() {
     while read i; do
         if [[ -n ${i} && ${i::1} != '#' ]]; then
-            mogrify -type TrueColorAlpha -alpha set -channel A -evaluate set ${i#*,} "${EXPORT_DIR}/${i%,*}"
+            mogrify -type TrueColorAlpha -alpha set -channel A -evaluate min ${i#*,} "${EXPORT_DIR}/${i%,*}"
         fi
     done < ${1}
 }
@@ -90,6 +90,8 @@ folderExport "bucket"
 folderExport "butterflies"
 folderExport "carts"
 folderExport "caverealms"
+folderExport "darks"
+makeAlphas "darks/alphas.txt"
 folderExport "default"
 makeAlphas "default/alphas.txt"
 folderExport "doors"

override.txt

@@ -1,6 +1,9 @@
 default:tinblock bottom default_tin_block_top.png
 default:tinblock top default_tin_block_top.png
 
+darks:darkblock top darkblock_top.png
+darks:darkblock bottom darkblock_bottom.png
+
 ethereal:birch_leaves * ethereal_birch_leaves.png
 ethereal:palmleaves * ethereal_palm_leaves.png