Module:Sandbox/Arcangelus

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Description

This is a doc attached to my sandbox. I'll use it to see the effects of my changes W/o messing something important

NOTE: LUA is usually slower than ParserFunctions for short statements. The factor varies from 7-1 to 2-1.
Lua only is an advantage to long statements, nested logic, loops (maybe others case i don't see right now).

expr only uses 1 Preprocessor visited node count, in general. Variables may change that.

---

function p._TableRow(skillBase, skillBonus, statMin, statMax, capImportance, capLimit, resultCols, LV, Ln)

---

local yesno, getArgs -- lazily initialized
local p = {}
local wrap = {} -- Holds wrapper functions that process arguments from #invoke. These act as intemediary between functions meant for #invoke and functions meant for Lua.

--Copied from https://en.wikipedia.org/wiki/Module:Math
local function err(msg)
	-- Generates wikitext error messages.
	return mw.ustring.format('<strong class="error">Formatting error: %s</strong>', msg)
end

local function unpackNumberArgs(args)
	-- Returns an unpacked list of arguments specified with numerical keys.
	local ret = {}
	for k, v in pairs(args) do
		if type(k) == 'number' then
			table.insert(ret, v)
		end
	end
	return unpack(ret)
end

local function makeArgArray(...)
	-- Makes an array of arguments from a list of arguments that might include nils.
	local args = {...} -- Table of arguments. It might contain nils or non-number values, so we can't use ipairs.
	local nums = {} -- Stores the numbers of valid numerical arguments.
	local ret = {}
	for k, v in pairs(args) do
		v = p._cleanNumber(v)
		if v then
			nums[#nums + 1] = k
			args[k] = v
		end
	end
	table.sort(nums)
	for i, num in ipairs(nums) do
		ret[#ret + 1] = args[num]
	end
	return ret
end

local function fold(func, ...)
	-- Use a function on all supplied arguments, and return the result. The function must accept two numbers as parameters,
	-- and must return a number as an output. This number is then supplied as input to the next function call.
	local vals = makeArgArray(...)
	local count = #vals -- The number of valid arguments
	if count == 0 then return
		-- Exit if we have no valid args, otherwise removing the first arg would cause an error.
		nil, 0
	end
	local ret = table.remove(vals, 1)
	for _, val in ipairs(vals) do
		ret = func(ret, val)
	end
	return ret, count
end


--TEST AREA

--Stat Factors Table Row
function wrap.TableRow(args)
	return p._TableRow(unpackNumberArgs(args))
end
function p._TableRow(skillBase, skillBonus, statMin, statMax, capImportance, capLimit, resultCols, LV, Ln)
	argumentos={skillBase,skillBonus,statMin,statMax,capImportance,capLimit,resultCols,LV,Ln}
	
	for i = 1,8 do --This should prevent errors if a number is not defined.
		if type(argumentos[i])~='number' then
			argumentos[i]=0
		end
	end
	-- Do note that statMin, statMax are handled by "Template:Stat Factors Table".
	-- While I could set fallbacks, I decided against it.
	
	if tonumber(Ln)==nil then --Sanitizes input and allows for 0.
		factor = skillBase + skillBonus * LV
	else
		factor = Ln
	end

	local Pval = math.min(math.max(factor,statMin),statMax)
	R_Pval = tostring(math.floor(Pval*10000+0.5)/100).."%" -- This formats the number as a 2 digit percent value, rounded up.
	if tonumber(resultCols)>1 then
		Pval = factor * ( 1 + capImportance * math.min(capLimit-1, 0.25))
		Pval = math.min(math.max(Pval,statMin),statMax)
		R_Sval="<td>"..tostring(math.floor(Pval*10000+0.5)/100).."% </td>"
	else
		R_Sval=""
	end

	if tonumber(resultCols)>2 then
		Pval = factor * ( 1 + capImportance * math.min(capLimit-1, 0.5))
		Pval = math.min(math.max(Pval,statMin),statMax)
		R_Tval="<td>"..tostring(math.floor(Pval*10000+0.5)/100).."% </td>"
	else
		R_Tval=""
	end
	
	return "|-\r\n!"..LV.."\r\n|"..R_Pval..R_Sval..R_Tval
	-- There are more efficient ways, but this works.
end

--[[
Wrapper function that does basic argument processing. This ensures that all functions from #invoke can use either the current
frame or the parent frame, and it also trims whitespace for all arguments and removes blank arguments.
]]

local mt = { __index = function(t, k)
	return function(frame)
		if not getArgs then
			getArgs = require('Module:Arguments').getArgs
		end
		return wrap[k](getArgs(frame))  -- Argument processing is left to Module:Arguments. Whitespace is trimmed and blank arguments are removed.
	end
end }

return setmetatable(p, mt)