Module:RPG

• (3d6--2): 3, 4, 1 = 6
• (3d6--3): 3, 4, 1 = 5
• (3d6+1): 3, 4, 1 = 9
• (3d6): 3, 4, 1 = 8

---

-- Module for rolling RPG dice
local p = {}

-- Function to roll dice
function p.rollDice(frame)
    local args = frame.args
    local diceString = args[1] or ""
    local num, sides, modifier = string.match(diceString, "(%d+)d(%d+)([%+%-]?%d*)")
    -- Seed the random number generator with the current time
    --math.randomseed(tonumber(mw.getCurrentFrame():preprocess('{{#time:YmdHis}}')))
    math.randomseed()
    num = tonumber(num) or 1
    sides = tonumber(sides) or 6
    modifier = tonumber(modifier) or 0

    local resultString = "Rolling " .. num .. "d" .. sides
    if modifier ~= 0 then
    	if modifier>0 then
          resultString = resultString .. "+" .. modifier
        else
          resultString = resultString .. "-" .. modifier
        end
    end

    local total = modifier
    local individualResults = {}

    for i = 1, num do
        local roll = math.random(1, sides)
        total = total + roll
        table.insert(individualResults, roll)
    end

    resultString = resultString .. ": " .. table.concat(individualResults, ", ") .. " = " .. total

    return resultString
end

function p.rollStats(frame)
    local args = frame.args
    local diceString = args[1] or ""
    local num, sides, modifier = string.match(diceString, "(%d+)d(%d+)([%+%-]?%d*)")
    -- Seed the random number generator with the current time
    math.randomseed(tonumber(mw.getCurrentFrame():preprocess('{{#time:YmdHis}}')))
    num = tonumber(num) or 1
    sides = tonumber(sides) or 6
    modifier = tonumber(modifier) or 0

    local resultString = "(" .. num .. "d" .. sides
    if modifier ~= 0 then
    	if modifier>0 then
          resultString = resultString .. "+" .. modifier
        else
          resultString = resultString .. "-" .. modifier
        end
    end
    resultString = resultString .. ")"
    local total = modifier
    local individualResults = {}

    for i = 1, num do
        local roll = math.random(1, sides)
        total = total + roll
        table.insert(individualResults, roll)
    end

    resultString = resultString .. ": " .. table.concat(individualResults, ", ") .. " = " .. total

    return resultString
end


return p