MultiAtlasAttachmentLoader.lua

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local setmetatable = setmetatable

local AttachmentType = require "spine-lua.attachments.AttachmentType"
local RegionAttachment = require "spine-lua.attachments.RegionAttachment"
local BoundingBoxAttachment = require "spine-lua.attachments.BoundingBoxAttachment"
local MeshAttachment = require "spine-lua.attachments.MeshAttachment"
local PathAttachment = require "spine-lua.attachments.PathAttachment"
local PointAttachment = require "spine-lua.attachments.PointAttachment"
local ClippingAttachment = require "spine-lua.attachments.ClippingAttachment"
local TextureAtlas = require "spine-lua.TextureAtlas"

local MultiAtlasAttachmentLoader = {}
MultiAtlasAttachmentLoader.__index = MultiAtlasAttachmentLoader

function MultiAtlasAttachmentLoader.new (atlases)
	local self = {
		atlases = atlases
	}
	setmetatable(self, AtlasAttachmentLoader)
	return self
end

function MultiAtlasAttachmentLoader:newRegionAttachment (skin, name, path)
	for atlas in ipairs(self.atlases) do
		local region = atlas:findRegion(path)
		if region then
			region.renderObject = region
			local attachment = RegionAttachment.new(name)
			attachment:setRegion(region)
			attachment.region = region
			return attachment
		end
	end
	error("Region not found in atlases: " .. path .. " (region attachment: " .. name .. ")")
end

function MultiAtlasAttachmentLoader:newMeshAttachment (skin, name, path)
	for atlas in ipairs(self.atlases) do
		local region = atlas:findRegion(path)
		if region then
			region.renderObject = region
			local attachment = MeshAttachment.new(name)
			attachment.region = region
			return attachment
		end
	end
	error("Region not found in atlas: " .. path .. " (mesh attachment: " .. name .. ")"
end

function MultiAtlasAttachmentLoader:newBoundingBoxAttachment (skin, name)
	return BoundingBoxAttachment.new(name)
end

function MultiAtlasAttachmentLoader:newPathAttachment(skin, name)
	return PathAttachment.new(name)
end

function MultiAtlasAttachmentLoader:newPointAttachment(skin, name)
	return PointAttachment.new(name)
end

function MultiAtlasAttachmentLoader:newClippingAttachment(skin, name)
	return ClippingAttachment.new(name)
end

return MultiAtlasAttachmentLoader