add ruby script for making android project

utils/crown-android.rb

@@ -0,0 +1,100 @@
+#!/usr/bin/ruby
+
+require 'optparse'
+require 'ostruct'
+require 'fileutils'
+
+$android_create 	= "android create project"
+$android_update 	= "android update project"
+$activity			= "CrownActivity"
+$package			= "crown.android"
+
+$engine_src 		= "../engine/."
+$android_src		= "../engine/os/android/*.java"
+$manifest			= "../engine/os/android/AndroidManifest.xml"
+
+
+def parse_command_line(args)
+	banner = "Usage: crown-android.rb --target <android-target> --name <project-name> --path <project-path>\n"
+	if args.length != 6
+		print banner
+		exit
+	end
+
+	options = OpenStruct.new
+
+    options.library = []
+    options.inplace = false
+    options.encoding = "utf8"
+    options.transfer_type = :auto
+    options.verbose = false
+
+	OptionParser.new do |opts|
+		opts.banner = banner
+
+		opts.on("-t", "--target TARGET", "Android target") do |t|
+			options.target = t
+		end
+
+		opts.on("-n", "--name NAME", "Android project name") do |n|
+			options.name = n
+		end
+
+		opts.on("-p", "--path PATH", "Android project path") do |p|
+			options.path 	= p
+			$engine_dest 	= p + "/jni"
+			$android_dest	= p + "/src/crown/android"
+		end
+	    opts.on_tail("-h", "--help", "Show this message") do
+	    	puts opts
+	      	exit
+	    end
+	end.parse!(args)
+
+	return options
+end
+
+def create_android_project(target, name, path)
+
+	# Creates path if not exists
+	if not Dir.exists?(path)
+		FileUtils.mkdir_p(path)
+	end
+
+	# Project path is empty
+	if Dir[path + "/*"].empty?
+		# Creates android project
+		system($android_create + " --target " + target + " --name " + name + " --path " + path + 
+				" --activity " + $activity + " --package " + $package)
+	else
+		# Updates android project
+		system($android_update + " --target " + target + " --name " + name + " --path " + path)
+	end
+
+	engine_dest 	= path + "/jni"
+	android_dest	= path + "/src/crown/android"
+	
+	# if jni dir does not exists, create it!
+	if not Dir.exists?(engine_dest)
+		FileUtils.mkdir_p(engine_dest)
+		print "Created directory " + path + "/jni\n"
+	end
+
+	# Copy Engine files
+	FileUtils.cp_r($engine_src, engine_dest, :remove_destination => true)
+	print "Copied engine to " + engine_dest + "/jni\n"
+
+	# Copy Java files
+	FileUtils.cp_r(Dir.glob($android_src), android_dest, :remove_destination => true)
+	print "Copied Java files to " + android_dest + "\n"
+
+	# Copy Android Manifest
+	FileUtils.cp($manifest, path)
+	print "Copied Android Manifest to " + path  + "\n"
+end
+
+
+
+opts = parse_command_line(ARGV)
+
+create_android_project(opts.target, opts.name, opts.path)