Module:Rates
From Ephinea PSO Wiki
Documentation for this module may be created at Module:Rates/doc
-- <nowiki> -- -- Formats drop rates and calculates two rates multiplied together (usually DAR and RDR) -- local p = {} -- Every DAR/RDR fraction between 1/2 and 1/1 local wholeFractions = { [0.9] = "9/10", [0.88] = "22/25", [0.875] = "7/8", [0.85] = "17/20", [0.7] = "7/10", [0.8] = "4/5", [0.6] = "3/5", [0.5625] = "9/16", [0.55] = "9/20", [0.50625] = "81/160", [0.5] = "1/2" } -- -- Multiply a DAR and RDR together. Any number works but it's basically just for those -- -- @param dar {number} -- @param rdr {number} -- @return {number} -- local function calcRate(dar, rdr) local mult = {} mult[1] = dar mult[2] = rdr -- Initialize numbers for string conversion local frac = {} frac[1] = {} frac[2] = {} -- If either number is a fraction, split it up into numerator and denominator -- Thanks, Ender! for i=1,2,1 do for number in string.gmatch(mult[i], '([^/]+)') do table.insert(frac[i], number) end -- If either number wasn't a fraction, fill 1 in for its denominator if frac[i][2] == nil then frac[i][2] = 1 end end return (frac[1][1]/frac[1][2])*(frac[2][1]/frac[2][2]) end -- -- Number formatting. Pass in a number in either fraction, decimal, or whole format and convert it. -- -- @param rate {string} -- @param fmt {string} -- "f" for fraction, "p" for percent, "n" for both fraction and percent used in the Note template -- @param digits {number} -- optional -- @return {string} -- local function fmtRate(rate, fmt, digits) local out = "" local frac = {} -- If either number is a fraction, split it up into numerator and denominator -- Thanks, Ender! for number in string.gmatch(rate, '([^/]+)') do table.insert(frac, number) end -- If either number wasn't a fraction, fill 1 in for its denominator if frac[2] == nil then frac[2] = 1 end local num = frac[1] local den = frac[2] -- Turn rate into a number! rate = num / den if fmt == "f" then if wholeFractions[rate] == nil then if not digits then digits = 0 end -- Set maximum number of decimal places if 1/rate < 10 then -- Displays with two places between 1.01 ~ 9.99 digits = math.max(digits, 2) elseif 1/rate < 100 then -- Displays with one place between 10.1 ~ 99.9 digits = math.max(digits, 1) end -- Even if we're displaying one or more decimal places, cut zeroes off out = string.format("1/%." .. digits .. "f", 1/rate) return out:gsub("%.0+$", "") else out = wholeFractions[rate] end return out elseif fmt == "p" then -- Display up to five decimal places. Cut zeroes off out = string.format("%.5f", rate * 100) if string.find(out, "%.") then out = string.gsub(out, "%.0+$", "") end return string.format("%s%%", out) end end -- -- Rate display accessed through #invoke. Display up to TWO rates plus their combination! -- -- @param frame {table} -- @return {string} -- function p.displayRate(frame) -- Separate the format (strings) from the rates (numbers passed in as strings). local fmt = frame.args[1] local rate = {} rate[1] = frame.args[2] if frame.args[3] == nil then rate[2] = 1 else rate[2] = frame.args[3] end if rate[1] == "0" or rate[2] == "0" then return nil end local out = "" if fmt == "f" then -- Fraction out = out .. fmtRate(rate[1], "f") elseif fmt == "p" then -- Percentage out = out .. fmtRate(rate[1], "p") elseif fmt == "n" then -- Fraction with hover text showing first two input rates as Fraction (Percentage) local span = mw.html.create("span") span :addClass("more_info") :attr("title", string.format("Drop Rate: %s (%s), Rare Rate: %s (%s)", fmtRate(rate[1], "f"), fmtRate(rate[1], "p"), fmtRate(rate[2], "f", 2), fmtRate(rate[2], "p"))) :css("border-bottom", "1px dotted") :wikitext(string.format("%s", fmtRate(calcRate(rate[1], rate[2]), "f"))) --out = out .. fmtRate(rate, "f", 2) .. " (" .. fmtRate(rate, "p") .. ")" return span:allDone() end return out end return p -- </nowiki>