pack_unity_package

#!/bin/bash
#
# Export Unity3d-TexturePacker to Unity Bundle
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy of 
# this software and associated documentation files (the "Software"), to deal in 
# the Software without restriction, including without limitation the rights to 
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 
# of the Software, and to permit persons to whom the Software is furnished to do 
# so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in all 
# copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
# SOFTWARE.
# 
# Latest version can be found at https://github.com/haysclark/unity3d-texturepackerimporter
# Tested on OSX (10.9)
# 
# Copyright (c) 2013 Hays Clark
#

UNITY_PATH="/Applications/Unity/Unity.app/Contents/MacOS/Unity"
FOLDER_PATH="TexturePacker"
OUTPUT_PATH="TexturePackerImporter.unitypackage"

# vars
NAME=`basename "$0"`
VERSION=1.0
DRY_RUN=0
EXPECTED_FLAGS="[-h] [-v] [-u unityPath] [-f folderPath] [-o outputFile]"
CMD=""

PRINT_VERSION(){
	echo ${NAME} version ${VERSION}
}

PRINT_HELP(){
	echo usage: ${NAME} ${EXPECTED_FLAGS}
	echo
	echo "Options"
	echo " -v            	   show version"
	echo " -f            	   set folder to bundle"
	echo " -o            	   set filename to output"
	echo " -u            	   set unity command path"
	echo "(-h)           	   show this help"
}

COPY_README(){
	if [ -d "Assets/" ]; then
		cp LICENSE Assets/LICENSE.txt
	fi
}

COPY_LICENSE(){
	if [ -d "Assets/" ]; then
		cp README.md Assets/README.txt
	fi
}

CLEAN_UP(){
	if [ -d "Assets/" ]; then
		rm -r Assets/
	fi
	if [ -d "ProjectSettings/" ]; then
		rm -r ProjectSettings/
	fi
	if [ -d "Library/" ]; then
		rm -r Library/
	fi
	if [ -d "Temp/" ]; then
		rm -r Temp/
	fi
}

while getopts "dvf:o:u:h" VALUE "${@}" ; do
	if [ "${VALUE}" = "h" ] ; then
		PRINT_HELP
		exit 0
	fi
	if [ "${VALUE}" = "v" ] ; then
		PRINT_VERSION
	fi
	if [ "${VALUE}" = "d" ] ; then
		DRY_RUN=1
	fi
	if [ "${VALUE}" = "f" ] ; then
		FOLDER_PATH="${OPTARG}"
	fi
	if [ "${VALUE}" = "o" ] ; then
		OUTPUT_PATH="${OPTARG}"
	fi
	if [ "${VALUE}" = "u" ] ; then
		UNITY_PATH="${OPTARG}"
		if ! [ -f "${UNITY_PATH}" ]; then
			echo "Unity path is incorrect or missing."
			exit 1
		fi
	fi
	if [ "${VALUE}" = ":" ] ; then
        echo "Flag -${OPTARG} requires an argument."
        echo "Usage: $0 ${EXPECTED_FLAGS}"
        exit 1
    fi
	if [ "${VALUE}" = "?" ] ; then
		echo "Unknown flag -${OPTARG} detected."
		echo "Usage: $0 ${EXPECTED_FLAGS}"
		exit 1
	fi
done

if ! [ -d "${FOLDER_PATH}" ]; then
	echo "Folder path is incorrect or missing."
	exit 1
fi

if [ -f "${OUTPUT_PATH}" ]; then
	rm ${OUTPUT_PATH};
fi

EXPORT_PATH="Assets/${FOLDER_PATH}"

CMD+="${UNITY_PATH} -quit -batchmode -createProject .;"
COPY_README
COPY_LICENSE
CMD+="cp -r ${FOLDER_PATH} $EXPORT_PATH;"
CMD+="${UNITY_PATH} -quit -batchmode -exportPackage ${EXPORT_PATH} ${OUTPUT_PATH};"

if [ "${DRY_RUN}" = 1 ] ; then
	echo "${CMD}"
	exit 0
fi

eval "${CMD}"
CLEAN_UP
exit 0