-------------------------------------------------------------------------------
 -- Copyright (c) 2013, Esoteric Software
 -- All rights reserved.
 -- 
 -- Redistribution and use in source and binary forms, with or without
 -- modification, are permitted provided that the following conditions are met:
 -- 
 -- 1. Redistributions of source code must retain the above copyright notice, this
 --    list of conditions and the following disclaimer.
 -- 2. Redistributions in binary form must reproduce the above copyright notice,
 --    this list of conditions and the following disclaimer in the documentation
 --    and/or other materials provided with the distribution.
 -- 
 -- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 -- ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 -- WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 -- DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 -- ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 -- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 -- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 -- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 -- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 -- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ------------------------------------------------------------------------------

local AttachmentResolver = {
	failed = {}
}
function AttachmentResolver.new ()
	local self = {
		images = {}
	}

	function self:resolve (skeleton, attachment)
		local image = self:createImage(attachment)
		if image then
			image:setReferencePoint(display.CenterReferencePoint);
			image.width = attachment.width
			image.height = attachment.height
		else
			print("Error creating image: " .. attachment.name)
			image = AttachmentResolver.failed
		end
		skeleton.images[attachment] = image
		return image
	end

	function self:createImage (attachment)
		return display.newImage(attachment.name .. ".png")
	end

	return self
end
return AttachmentResolver