Module:CraftingTable

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

-- Module:CraftingTable
-- Renders an animated crafting-table grid with optional per-slot and
-- output-stack quantities.

local p       = {}
local getArgs = require('Module:Arguments').getArgs

----------------------------------------------------------------------
-- helper : render a 32-px inventory-slot image
----------------------------------------------------------------------
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 ('Special:MyLanguage/' .. label)
	return string.format(
		'[[File:%s|32px|class=pixelated|link=%s|alt=%s]]',
		file, tgt, label
	)
end

----------------------------------------------------------------------
-- collect *all* numbered args for a slot  (A1, A1-2, …)
-- returns   { {label=…, image=…, link=…}, … },  qty
----------------------------------------------------------------------
local function collectItems(args, base)
	local items, qty = {}, tonumber(args[base .. '-qty'])
	for key, val in pairs(args) do
		if mw.ustring.match(key, '^' .. base .. '$') or
		   mw.ustring.match(key, '^' .. base .. '%-%d+$') then
			local label = val
			if label and label ~= '' then
				table.insert(items, {
					label = label,
					image = args[key .. '-image'] or '',
					link  = args[key .. '-link']  or ''
				})
			end
		end
	end
	table.sort(items, function(a, b) return a.label < b.label end) -- deterministic
	return items, qty
end

----------------------------------------------------------------------
-- writes the expanded {{GridText}} overlay into *parent*
----------------------------------------------------------------------
local function putQtyOverlay(parent, frame, colour, num, left, bottom)
	local html = frame:expandTemplate{ title = 'GridText', args = { colour, num } }
	parent:tag('div')
		:css{
			position = 'absolute',
			left     = left or '0',
			bottom   = bottom or '0',
			width    = '32px',
			height   = '14px',
			overflow = 'hidden'
		}
		:wikitext(html)
end

----------------------------------------------------------------------
-- public entry – {{#invoke:CraftingTable|grid|…}}
----------------------------------------------------------------------
function p.grid(frame)
	local args  = getArgs(frame, { removeBlanks = false })

	-- slot coordinates (input 3×3 + output)
	local slots = {
		A1 = {  14,  14 },  A2 = {  14,  50 },  A3 = {  14,  86 },
		B1 = {  50,  14 },  B2 = {  50,  50 },  B3 = {  50,  86 },
		C1 = {  86,  14 },  C2 = {  86,  50 },  C3 = {  86,  86 },
		Output = { 202,  50 },
	}

	-- outer container (template already provides a relative parent)
	local root = mw.html.create()

	for slot, pos in pairs(slots) do
		local items, qty = collectItems(args, slot)
		if #items > 0 then
			local holder = root:tag('div')
				:css{ position='absolute',
				      left = pos[1] .. 'px',
				      top  = pos[2] .. 'px',
				      width='32px', height='32px' }

			if #items == 1 then
				holder:wikitext(slotImage(items[1].label, items[1].image, items[1].link))
			else
				for i, it in ipairs(items) do
					holder:tag('div')
						:addClass('slot-frame')
						:css('animation-duration', (#items * 2) .. 's')
						:css('animation-delay', ((i - 1) * 2) .. 's')
						:wikitext(slotImage(it.label, it.image, it.link))
				end
			end

			-- per-slot quantity overlay
			if qty and qty > 1 then
				putQtyOverlay(holder, frame, 'white', qty)
			end
		end
	end

	-- shapeless icon
	if args.shapeless and args.shapeless ~= '' then
		local tip = 'This recipe is shapeless; the ingredients may be placed in any arrangement in the crafting grid.'
		root:tag('div')
			:css{ position='absolute', left='135px', top='96px',
			      width='19px', height='15px' }
			:wikitext(string.format(
				'<span title="%s">[[File:Shapeless.png|19px|class=pixelated|link=|alt=Shapeless recipe]]</span>',
				mw.text.nowiki(tip)
			))
	end

	-- output-stack amount overlay
	if args.OA and tonumber(args.OA) and tonumber(args.OA) > 1 then
		local box = root:tag('div')
			:css{ position='absolute', left='201px', top='71px',
			      width='64px', height='24px', overflow='hidden' }
		putQtyOverlay(box, frame, 'white', args.OA, '33px', '0')  -- centre over 64-px area
	end

	return tostring(root)
end

return p