Module:TierColour

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

local tierColours = mw.loadData("Module:TierColour/data")

local tierColouriser = {}

function tierColouriser.getColour(frame)
	colourCount = tonumber(frame.args[1])
	thisTier = tonumber(frame.args[2])
	style = frame.args[3]
	default = {127, 127, 127}
	targetColour = default
	if colourCount ~= nil and thisTier ~= nil then
		targetColour = tierColours[colourCount][thisTier]
		if targetColour == nil then
			targetColour = default
		end
	end
	lighten = 0
	if style == "header" then
		lighten = 0.75
	elseif style == "cell" then
		lighten = 0.5
	end
	returnColour = {127, 127, 127} -- targetColour inherits the readonly-ness of the import
	returnColour[1] = math.floor(targetColour[1] * (1 - lighten) + 255 * lighten)
	returnColour[2] = math.floor(targetColour[2] * (1 - lighten) + 255 * lighten)
	returnColour[3] = math.floor(targetColour[3] * (1 - lighten) + 255 * lighten)
	return "rgb("..returnColour[1]..","..returnColour[2]..","..returnColour[3]..")"
end

return tierColouriser