generate_bootanimation_zips_from_3200.sh

#!/bin/sh

# Tool to create android bootanimations from an original ("raw") resolution to others
# that are specified by an existing folder named after the resolution
# (e.g. "1600" for 1600x1600)
# Only square images supported right now

raw="3200"

log_level=1

for res in *; do
    if [ -d "$res" ]; then
        if [ "$res" != "$raw" ]; then
            if [ "$log_level" -ge 2 ]; then
                echo "Resolution: $res"
            fi
            # Don't use old files, but update with those from original resolution
            rm -r "$res"
            cp -r "$raw"/ "$res"
            # Adapt resolution from desc.txt
            cp "$res/desc.txt" tmp.txt
            sed "s/$raw/$res/g" tmp.txt > "$res/desc.txt"
            rm tmp.txt
            rm -f "$res".zip
            cd "$res"
            zip -0 -q ../"$res".zip "desc.txt"
            # Resize images
            for part in *; do
                if [ -d "$part" ]; then
                    if [ "$log_level" -ge 2 ]; then
                        echo "Part $part"
                    fi
                    cd "$part"
                    for file in *; do
                        if [ "$log_level" -ge 1 ]; then
                            echo "Resize $file to $res"
                        fi
                        mogrify -resize "$res"X"$res" "$file"
                    done
                    cd ..
                    zip -r -0 -q ../"$res".zip "$part"
                fi
            done
            cd ..
        else
            # Original resolution: only zipping required
            if [ "$log_level" -ge 2 ]; then
                echo "Resolution: $res"
            fi
            rm -f "$res".zip
            cd "$res"
            zip -0 -q ../"$res".zip "desc.txt"
            for part in *; do
                if [ -d "$part" ]; then
                    zip -r -0 -q ../"$res".zip "$part"
                fi
            done
            cd ..
        fi
    fi
done

#Clean up part

read -p "Enter to clean up" var

for file in *; do
    if [ -d "$file" ]; then
        if [ "$file" != "$raw" ]; then
            echo "Remove content for resolution: $file"
            rm -r "$file"
            mkdir "$file"
        fi
    fi
done