def self.load_engine_tasks(engine_class)
      desc "Generate sprites"
      task :sprites do
        require 'rails'
        require 'rails/active_sprites'

        Rails.module_eval do
          def self.application
            @@application ||= begin
              c = Class.new
              c.extend Rails::ActiveSprites
              # c.new
            end
          end
        end

        engine = engine_class.new
        sprite_path = File.join(engine.config.paths.config.paths.first, 'sprites.rb')

        if File.exists?(sprite_path)
          load sprite_path

          Rails.application.sprites.generate!(engine)
        end
      end
    end