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Module:Spell cost table

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-- <pre>
 
local p = {}
 
local gep = require('Module:Exchange')._price
local coins = require('Module:Coins')._amount
 
local combo_runes = {
	['mist rune'] = { 'air rune', 'water rune' },
	['dust rune'] = { 'air rune', 'earth rune' },
	['mud rune'] = { 'water rune', 'earth rune' },
	['smoke rune'] = { 'air rune', 'fire rune' },
	['steam rune'] = { 'water rune', 'fire rune' },
	['lava rune'] = { 'earth rune', 'fire rune' }
}
 
local staffs = {
	['staff of air'] = { 'air rune' },
	['staff of water'] = { 'water rune' },
	['staff of earth'] = { 'earth rune' },
	['staff of fire'] = { 'fire rune' },
	['mud battlestaff'] = { 'water rune', 'earth rune' },
	['steam battlestaff'] = { 'water rune', 'fire rune' },
	['lava battlestaff'] = { 'earth rune', 'fire rune' },
	['smoke battlestaff'] = { 'air rune', 'fire rune' },
	['dust battlestaff'] = { 'air rune', 'earth rune' },
	['mist battlestaff'] = { 'air rune', 'water rune' },
}
 
local offhands = {
	['tome of fire'] = { 'fire rune' },
}
 
function p.main(frame)
	local args = frame:getParent().args
	local runes = {}
	for i=1,10 do
		if not args['Rune'..i] then
			break
		end
		local rune = string.lower(args['Rune'..i])..' rune'
		local num = tonumber(args['Rune'..i..'num'] or 1)
		table.insert(runes,{rune,num})
	end
	local no_staff = args.nostaff ~= nil
	return p._main(runes,no_staff)
end
 
function p._main(runes,no_staff)
	local ret = mw.html.create('table')
					:addClass('wikitable')
					:tag('caption')
						:wikitext('Spell cost')
					:done()
					:tag('tr')
						:tag('th')
							:wikitext('Input')
						:done()
						:tag('th')
							:wikitext('Cost')
						:done()
					:done()
					:tag('tr')
						:tag('td')
							:wikitext(make_pics(runes))
						:done()
						:tag('td')
							:wikitext(total_price(runes))
						:done()
					:done()
 
	local combos_used = {}
	local staffs_used = {}
	for i, v in pairs(combo_runes) do
		local amtused = 0
		local tblcopy = copytbl(runes)
		for _, w in ipairs(v) do
			for j, x in ipairs(tblcopy) do
				if w == x[1] then
					table.remove(tblcopy,j)
					if x[2] > amtused then
					   amtused = x[2]
					end
				end
			end
		end
		if amtused > 0 then
			table.insert(tblcopy,{i, amtused})
			table.insert(combos_used,tblcopy)
		end
	end
	if #combos_used > 0 then
		ret:tag('tr')
			:tag('th')
				:attr('colspan','2')
				:wikitext('Combo runes')
			:done()
		:done()
		for _, v in ipairs(combos_used) do
			ret:tag('tr')
				:tag('td')
					:wikitext(make_pics(v))
				:done()
				:tag('td')
					:wikitext(total_price(v))
				:done()
			:done()
		end
	end
 
	local weapons = {}
	for i, v in pairs(staffs) do
		weapons[i] = v
	end
	for i, v in pairs(offhands) do
		weapons[i] = v
	end
	for i, v in pairs(staffs) do
		for j, w in pairs(offhands) do
			local nindex = i..'|'..j
			local nrunes = {}
			local runesadd = {}
			-- check if the offhand is redundant to the current staff
			local redundant = false
			local runecountoff = w[2] and 2 or 1
			for _, i in ipairs(w) do
				for _, j in ipairs(v) do
					if j == i and runecountoff == 1 then
						redundant = true
						break
					end
				end
			end
 
			if not redundant then
				-- add runes to new indexed table
				for _, i in ipairs(w) do
					nrunes[i] = true
				end
				for _, i in ipairs(v) do
					nrunes[i] = true
				end
				-- turn into normal table
				for i, _ in pairs(nrunes) do
					table.insert(runesadd,i)
				end
 
				weapons[nindex] = runesadd
			end
		end
	end
 
	-- remove redundant staves and offhands
	local redund = {}
	for i, v in pairs(staffs) do
		local isused = false
		local tblcopy = copytbl(runes)
		for _, w in ipairs(v) do
			for j, x in ipairs(tblcopy) do
				if w == x[1] then
					table.remove(tblcopy,j)
					isused = true
				end
			end
		end
		if not isused then
			table.insert(redund,i)
		end
	end
 
	for i, v in pairs(offhands) do
		local isused = false
		local tblcopy = copytbl(runes)
		for _, w in ipairs(v) do
			for j, x in ipairs(tblcopy) do
				if w == x[1] then
					table.remove(tblcopy,j)
					isused = true
				end
			end
		end
		if not isused then
			table.insert(redund,i)
		end
	end
 
	for i, v in pairs(weapons) do
		local isused = false
		local tblcopy = copytbl(runes)
		for _, w in ipairs(v) do
			for j, x in ipairs(tblcopy) do
				if w == x[1] then
					table.remove(tblcopy,j)
					isused = true
				end
			end
		end
		if isused then
			local redundant = false
			for _, w in ipairs(redund) do
				if string.find(i,w) then
					redundant = true
				end
			end
			if not redundant then
				table.insert(tblcopy,{i, 0})
				table.insert(staffs_used,tblcopy)
			end
		end
	end
 
	if #staffs_used > 0 and not no_staff then
		ret:tag('tr')
			:tag('th')
				:attr('colspan','2')
				:wikitext('Staves')
			:done()
		:done()
		for _, v in ipairs(staffs_used) do
			ret:tag('tr')
				:tag('td')
					:wikitext(make_pics(v))
				:done()
				:tag('td')
					:wikitext(total_price(v))
				:done()
			:done()
		end
	end
	return ret
end
 
function copytbl(tbl)
	local ret = {}
	for _, v in ipairs(tbl) do
		table.insert(ret,v)
	end
	return ret
end
 
function make_pics(arg)
	local runes = {}
	for _, v in ipairs(arg) do
		if v[1]:find('%|') then
			local _v = mw.text.split(v[1],'%|')
			for _, w in ipairs(_v) do
				table.insert(runes, {w, v[2]})
			end
		else
			table.insert(runes, v)
		end
	end
 
	local ret = {}
 
	for _, v in ipairs(runes) do
		if v[2] > 0 then
			table.insert(ret,'<sup>'..v[2]..'</sup>')
		end
		table.insert(ret,'[[File:'..v[1]..'.png|link='..v[1]..']]')
	end
 
	return table.concat(ret)
end
 
function total_price(runes)
	local ret = 0
	for _, v in ipairs(runes) do
		if v[2] > 0 then
			ret = ret + gep(v[1]) * v[2]
		end
	end
	return coins(ret)
end
 
return p

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