indexing

	description: "[

		An EM_GOOF_LOADER_NODE_PROCESSOR to load the EM_GOOF_OBSTACLE from xml file.

	]"
	date: "$Date$"
	revision: "$Revision$"

class
	EM_GOOF_LOADER_OBJECT_OBSTACLE_NODE_PROCESSOR

inherit

	EM_GOOF_LOADER_OBJECT_SIMPLE_NODE_PROCESSOR
	undefine
		make
	end
	EM_GOOF_LOADER_OBJECT_COLLIDABLE_NODE_PROCESSOR
	undefine
		make
	end

create

	make

feature -- Initialization

	make is
			-- Make 'Current'
		do
			Precursor
			Current.register_allowed_subnode ("object", name)
		end

feature -- Access

	Name: STRING is
			-- Name of element to process
		do
			Result := "obstacle"
		end

	Mandatory_attributes: ARRAY [STRING] is
			-- Table of mandatory attributes
		once
			Result := << "image" >>
			Result := << "x" >>
			Result := << "y" >>
			Result.compare_objects
		end

feature -- Basic operations

	process is
			-- Process node.
		local
			obstacle: EM_GOOF_OBSTACLE
		do
			if not has_attribute ("image") then
				set_error (Mandatory_attribute_missing, << "image" >>)
			elseif not has_attribute ("x") then
				set_error (Mandatory_attribute_missing, << "x" >>)
			elseif not has_attribute ("y") then
				set_error (Mandatory_attribute_missing, << "y" >>)
			elseif not attribute("x").is_double then
				set_error (Non_numeric_argument, << "x" >>)
			elseif not attribute("y").is_double then
				set_error (Non_numeric_argument, << "y" >>)
			else
				create obstacle.premake
				load_image(obstacle)

				if parent.container /= void then
					parent.container.add_item(obstacle)
				else
					level.add_object(obstacle)
				end

				if has_attribute ("name") then
					level.register_object(attribute("name"), obstacle)
				end

				load_collidable(obstacle)
			end
		end

	file: STRING
			-- String in which the filename is stored

end