Module:Stonecutting

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

------------------------------------------------------------
--  Stone-cutter recipe carousel
--  Example:
--    {{Stonecutting
--      |input=Stone
--      |input-image=Minecraft-stone.png
--      |input-link=https://minecraft.wiki/w/Stone
--      |output1=Slab
--      |output1-image=Minecraft-stoneslab.png
--      |output1-link=https://minecraft.wiki/w/Slab
--      |output2=Chisel
--      |output2-image=Pixelmon-chisel.png
--      |output2-link=Chisel
--    }}
------------------------------------------------------------
local p = {}

local getArgs = require( 'Module:Arguments' ).getArgs
local trim    = mw.text.trim

------------------------------------------------------------------------
-- turn {label,image,link} → thumbnail w/ link (32 px)
------------------------------------------------------------------------
local function slotImage( label, image, link )
	if not label or label == '' then return '' end
	local file = ( image ~= '' ) and image or ( 'Grid_' .. label .. '.png' )
	local target = ( link ~= '' ) and link or label
	return string.format(
		'[[File:%s|32px|class=pixelated|link=%s|alt=%s]]',
		file, target, label
	)
end

------------------------------------------------------------------------
-- build *one* frame (input + preview + output)
------------------------------------------------------------------------
local function buildFrame( args, idx )
	local inL , inI , inLn  = args.input or args[1] or '',
	                          args['input-image'] or '',
	                          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 html = mw.html.create( 'div' ):addClass( 'sc-frame' )
	html:wikitext( '[[File:StonecutterGUI.png|180px|link=|alt=]]' )

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

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

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

	return tostring( html )
end

------------------------------------------------------------------------
-- main entry
------------------------------------------------------------------------
function p.carousel( frame )
	local args = getArgs( frame, { removeBlanks = false } )

	-- count real outputs (skip blanks / whitespace)
	local count = 0
	while true do
		local raw = args[ 'output' .. ( count + 1 ) ] or args[ count + 2 ]
		if not raw or trim( tostring( raw ) ) == '' then break end
		count = count + 1
	end
	if count == 0 then
		return '<span style="color:red">Stonecutting: no outputs supplied</span>'
	end

	------------------------------------------------------------------
	-- wrapper
	------------------------------------------------------------------
	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 ) )
	end

	-- base (static) stylesheet
	local base = frame:extensionTag(
		'templatestyles', '', { src = 'Template:Stonecutting/styles.css' }
	)
	outer:wikitext( base )

	------------------------------------------------------------------
	-- dynamic stylesheet (duration / delays)
	------------------------------------------------------------------
	local dur = count * 4          -- seconds (4 s per recipe)
	local pct = 100 / count        -- % slice per recipe
	local cssParts = {}

	table.insert( cssParts,
		string.format(
			'.stonecutting-carousel .sc-frame{animation:sc-cycle %ds steps(1) infinite;}',
			dur
		)
	)

	for i = 1, count do
		table.insert( cssParts,
			string.format(
				'.stonecutting-carousel .sc-frame:nth-child(%d){animation-delay:%ds;}',
				i, ( i - 1 ) * 4
			)
		)
	end

	table.insert( cssParts,
		string.format(
			'@keyframes sc-cycle{0%%{opacity:1;} %.2f%%{opacity:1;} %.2f%%{opacity:0;} 100%%{opacity:0;}}',
			pct, pct + 0.01
		)
	)

	local dyn = frame:extensionTag(
		'templatestyles',
		table.concat( cssParts, '' ),
		{ lang = 'css' }
	)
	outer:wikitext( dyn )

	return tostring( outer )
end

return p