#!/bin/bash



wd=$(pwd)
#output_dir=$1
#if [[ -z "$output_dir" ]]; then
#echo 'please specify outpur textures dir ($1)'
#exit
#fi

texturetool="/home/m00nkey/PVRTexTool/PVRTexToolCL/Linux_x86_64/PVRTexTool"


convertTexture() {
        local texFilename="$1"                    # texture file name

        echo "Converting \"$texFilename\"..."
        texFilenameEscaped=${texFilename//" "/"_"}
        filenameEscaped=${texFilenameEscaped%.*}
        mv "$texFilename" "$texFilenameEscaped"

        # Execute texturetool.
        $texturetool -fOGLPVRTC4 -m -pvrtciterations8 -r2 -yflip1 -i$texFilenameEscaped

        filename=${texFilename%.*}
        mv $texFilenameEscaped "$texFilename"
        mv "$filenameEscaped.pvr" "$filename.pvr"
}


convertTexturesInDirectory() {
        local dir="$1"  # source dir

        echo "Converting directory \"$dir\"..."

        ls -1 "$dir" | while read fname; do
                [ -d "$dir/$fname" ] && convertFolder "$dir/$fname"
                if [ -f "$dir/$fname" ]; then
                        extension=${fname##*.}
                        [ "$extension" == 'png' -o "$extension" == 'jpg' ] && convertTexture "$dir/$fname"
                fi
        done
}

convertFolder() {
        local dir="$1"  # source dir

        echo "Converting directory \"$dir\"..."

        ls -1 "$dir" | while read DirName; do
                [ -d "$DirName" ] && convertTexturesInDirectory "$dir/$DirName"
        done
}

convertTexturesInDirectory "$wd"
ls -1 "$wd" | while read dir; do
    [ -d "$wd/$dir" ] && convertTexturesInDirectory "$wd/$dir"
done