81 lines
3.8 KiB
Bash
Executable File
81 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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####
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# Licenced under Attribution-NonCommercial-ShareAlike 4.0 International
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# http://creativecommons.org/licenses/by-nc-sa/4.0/
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#### ATTENTION ####
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## This script requires that jq and coreutils are installed on your system ##
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## In Debian-based distros, open a terminal and run
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## sudo apt-get install jq coreutils
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###################
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# == Set variables ===
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# ====================
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NUMPAGES="1" # Number of pages. Default is 1 page
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PERPAGE="2000" # Number of items per page. Default is 2000.
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JSONURL="http://minetest.fensta.bplaced.net/api/get.json.php?getlist&page=$NUMPAGES&outformat=base64&per_page=$PERPAGE" # The URL to the database
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PREVIEWURL="http://minetest.fensta.bplaced.net/skins/1/" # The url to the location of the previews.
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curpath="$(dirname $0)" # all path are relative to this script place
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temp="$curpath"/tmp # Where the temp folder will be. Default is $PWD/tmp, which means that the tmp folder will be put in the current folder
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METADEST="$curpath"/../meta # This is the folder where the meta data will be saved
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TEXTUREDEST="$curpath"/../textures # This is the folder where the skins and the previews will be saved
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# === Make a bunch of folders and download the db ===
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# ===================================================
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if [ -d "$temp" ]; then
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rm -r $temp # If the temp dir exists we will remove it and its contents.
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fi
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mkdir "$temp" # Make a new temp dir. Redundant? No. We will get rid of it later.
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if [ ! -d "$METADEST" ]; then # Check to see if the meta dir exists, and if not, create it
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mkdir "$METADEST"
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fi
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if [ ! -d "$TEXTUREDEST" ]; then # Check to see if the textures dir exists, and if not, create it
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mkdir "$TEXTUREDEST"
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fi
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wget "$JSONURL" -O "$temp"/rawdb.txt # Download the entire database
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# === Do the JSON thing ===
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# =========================
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i="0" # This will be the counter.
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while true; do
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ID=$(cat "$temp"/rawdb.txt | jq ".skins[$i].id")
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if [ "$ID" == "null" ]; then
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break
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fi
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if [ ! -f "$METADEST"/character_$ID.txt ] || [ "$1" == "all" ]; then
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# The next lines are kinda complex. sed is being used to strip the quotes from the variables. I had help...
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meta_name="$(jq ".skins[$i].name" < "$temp"/rawdb.txt | sed 's/^"//;s/"$//')"
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meta_author="$(jq ".skins[$i].author" <"$temp"/rawdb.txt | sed 's/^"//;s/"$//')"
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meta_license="$(jq ".skins[$i].license" <"$temp"/rawdb.txt | sed 's/^"//;s/"$//')"
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echo "# $ID name: $meta_name author: $meta_author license: $meta_license" # Verbosity to show that the script is working.
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echo "$meta_name" > "$METADEST"/character_$ID.txt # Save the meta data to files, this line overwrites the data inside the file
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echo "$meta_author" >> "$METADEST"/character_$ID.txt # Save the meta data to files, this line is added to the file
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echo "$meta_license" >> "$METADEST"/character_$ID.txt # Save the meta data to files, and this line is added to the file as well.
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# === Extract and save the image from the JSON file ===
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# ======================================================
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skin=$(jq ".skins[$i].img" < "$temp"/rawdb.txt | sed 's/^"//;s/"$//') # Strip the quotes from the base64 encoded string
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echo "$skin" | base64 --decode > "$TEXTUREDEST"/character_"$ID".png # Decode the string, and save it as a .png file
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# === Download a preview image whilst we're at it ===
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# ====================================================
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wget -nv "$PREVIEWURL/$ID".png -O "$TEXTUREDEST"/character_"$ID"_preview.png # Downloads a preview of the skin that we just saved.
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else
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echo -n "."
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fi
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i=$[$i+1] # Increase the counter by one.
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done
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# === Now we'll clean up the mess ===
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# ===================================
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rm -r "$temp" # Remove the temp dir and its contents.
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exit # Not strictly needed, but i like to use it to wrap things up.
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