class Edit
	def initialize name
		@name = name
		@screen = Rubygame::Screen.set_mode([800,600],0, [Rubygame::HWSURFACE, Rubygame::DOUBLEBUF])
		@image = []
		@map
		@mouse = Mouse_input.new
		#@sprites = Rubygame::Sprites::Group.new()
		#Rubygame::Sprites::UpdateGroup.extend_object(@sprites)
		#@sprites.push(@mouse)
	end
	def new_file file
		save(file , @name)
		@map = read(@name)
		image
		edit_mode
	end
	def load
		@map = read(@name)
		image
		edit_mode
	end
	def read filename
		yaml_string = File.read filename; YAML:: load yaml_string
	end
	def save object , filename
		File.open filename , 'w' do |f|
			f.write(object.to_yaml)
		end
	end
	def image
		#load image files according to the strings it read in @map['file']
		@map['file'].each do |file|
			@image <<  Rubygame::Image.load("data/maps/#{file}")
		end
		map
	end
	def map
		x = y = time = 0
		@map['points'].each do |render|
			if render != nil
				@image[render].blit(@screen,[x,y])
			else
				#Code doesn't work for some reason.
				#Rubygame::Draw.filled_box( @screen, [50,0], [50,50], [0,0,0] )
			end
			x += 50
			time += 1
			if time == 16
				y += 50
				x = 0
				time = 0
			end
		end
	end
	def change event
		#Compare x and y  until the value are greater and then map the last points.
		#Purpose is to determine the relative locations of the mouse in which squares
		max = 0
		#Start at negative 1 because @map['points'] contains array element and array start with 0
		square = -1
		while (1)
			#Deal with x position; square increase by 1
			if event.pos[0] >= max
				max +=50
				square += 1
			else
				max = 0
				break
			end
		end
		#So the square will appear where the mouse is..relatively
		square -= 16
		while (1)
			#Deal with y position; square increase by 16
			if event.pos[1] >= max
				max +=50
				square += 16
			else
				break
			end
		end
		if @map['points'][square] == nil
			@map['points'][square] = 0
		else
			@map['points'][square] += 1
			if @map['points'][square] == 7
				@map['points'][square] = 0
			end
		end
		map
	end
	def edit_mode
		q = Rubygame::Queue.instance()
		while 1
			@screen.flip
			q.get.each do |event|
				case event
					when Rubygame::MouseMotionEvent
						@mouse.pos(event)
					when Rubygame::MouseDownEvent
						case event.button
							when Rubygame::MOUSE_LEFT
								change(event)
						end
					when Rubygame::KeyDownEvent
						case event.key
							when Rubygame::K_ESCAPE
								save(@map , @name)
								exit
						end
					when Rubygame::QuitEvent
						exit
				end
			end
			#@sprites.undraw(@screen,@image)
			@mouse.update
			#@sprites.draw(@screen)
		end
	end
end