Module:Stonecutting

Documentation for this module may be created at Module:Stonecutting/doc

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--  Module:Stonecutting – animated stone-cutter carousel
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local p       = {}
local getArgs = require('Module:Arguments').getArgs
local trim    = mw.text.trim

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-- helper: 32-px inventory-slot image
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local function slotImage(label, image, link)
	if not label or label == '' then return '' end
	local file = (image ~= '' and image) or ('Grid_' .. label .. '.png')
	local tgt  = (link  ~= '' and link ) or label
	return string.format(
		'[[File:%s|32px|class=pixelated|link=%s|alt=%s]]',
		file, tgt, label
	)
end

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-- build one GUI frame
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local function buildFrame(args, idx, count)
	local inL  = args.input                  or args[1] or ''
	local inI  = args['input-image']         or ''
	local inLn = args['input-link']          or ''

	local outL  = args['output' .. idx]             or args[idx+1] or ''
	local outI  = args['output' .. idx .. '-image'] or ''
	local outLn = args['output' .. idx .. '-link']  or ''

	local frame = mw.html.create('div'):addClass('sc-frame')

	if count == 1 then
		frame:addClass('sc-static')                      -- no animation
	else
		-- every frame runs the same 4-second “step” once per full cycle
		-- total cycle  = 4 s × #outputs
		frame:css('animation-duration', (count * 4) .. 's')
		     :css('animation-delay',    (idx - 1) * 4 .. 's')
	end

	frame:wikitext('[[File:StonecutterGUI.png|180px|link=|alt=]]')

	frame:tag('div'):addClass('sc-slot')
	     :css{left='11px',  top='50px'}
	     :wikitext(slotImage(inL,  inI,  inLn))

	frame:tag('div'):addClass('sc-slot')
	     :css{left='56.5px', top='23px'}
	     :wikitext(slotImage(outL, outI, outLn))

	frame:tag('div'):addClass('sc-slot')
	     :css{left='127px', top='50px'}
	     :wikitext(slotImage(outL, outI, outLn))

	return tostring(frame)
end

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-- main entry – {{#invoke:Stonecutting|carousel}}
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function p.carousel(frame)
	local args = getArgs(frame, {removeBlanks = false})

	-- how many outputs?
	local count = 0
	while (args['output' .. (count+1)] or args[count+2])
	      and trim(tostring(args['output' .. (count+1)] or args[count+2])) ~= '' do
		count = count + 1
	end
	if count == 0 then
		return '<span style="color:red">Stonecutting: no outputs supplied</span>'
	end

	local outer = mw.html.create('div')
		:addClass('stonecutting-carousel')
		:css{width='180px', height='131px', position='relative'}

	for i = 1, count do
		outer:wikitext(buildFrame(args, i, count))
	end

	-- static stylesheet is included once from the template, so nothing here
	return tostring(outer)
end

return p