How would I achieve something like this with my current role giving system

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#1

What I am trying to do is to make it so that there are always 3 roles that players cannot get.
These three roles will be randomized every round.
How would I come close to achieving something like this?
Here is my module script:

local CardModule = {}

CardModule.RoleLimits = {
	["Werewolf"] = 2;
	["Villager"] = 1;
	["Hunter"] = 1;
	["Tanner"] = 1;
	["Seer"] = 1;
	["Minion"] = 1;
	["Drunk"] = 1;
	["Mason"] = 2;
	["Robber"] = 1;
	["Troublemaker"] = 1;
	["Insomniac"] = 1;
}

function shuffle(tbl)
	for i = #tbl, 2, -1 do
		local j = math.random(i)
		tbl[i], tbl[j] = tbl[j], tbl[i]
	end
	return tbl
end

function CardModule.CreateRoleDeck()
	local deck = {}
	for role, numCopies in pairs(CardModule.RoleLimits) do
		for _ = 1, numCopies do
			table.insert(deck, role)
		end
	end

	shuffle(deck)

	return deck
end

function CardModule.TakeCardFromDeck(deck)
	local k = #deck
	local card = deck[k]
	deck[k] = nil
	return card
end

return CardModule

I have a script that gets the roles from the module script:

local CardModule = require(game.ReplicatedStorage.ModuleScript)
-- GameController, a server script
local roleDeck = CardModule.CreateRoleDeck()
function startGame()
	local players = game.Players:GetPlayers()
	assert(#players <= #roleDeck, "Not enough roles for this many players!")


	for _, player in ipairs(players) do
		if player:FindFirstChildWhichIsA("StringValue") then
			print("wow")
			else
		local thing = game.Players[player.Name]
		local playerRole = CardModule.TakeCardFromDeck(roleDeck) 
		game.ReplicatedStorage.RoleNarraration:FireClient(player, playerRole)
		print(playerRole)
		print(player)
		local val = Instance.new("StringValue")
		val.Name = playerRole
		val.Parent = thing
	end
	end
end

The stringvalue is just so I can identify the role of a player in other scripts.

#2 
local RoleNames = {"Werewolf", "Villager", "Hunter", "Tanner", "Seer", "Minion", "Drunk", "Mason", "Robber", "Troublemaker", "Insomniac"}

local RoleLimits = {
	["Werewolf"] = 2;
	["Villager"] = 1;
	["Hunter"] = 1;
	["Tanner"] = 1;
	["Seer"] = 1;
	["Minion"] = 1;
	["Drunk"] = 1;
	["Mason"] = 2;
	["Robber"] = 1;
	["Troublemaker"] = 1;
	["Insomniac"] = 1;
}

for Count = 1, 3 do
	local RandomRole = math.random(#RoleNames)
	if RoleLimits[RandomRole] ~= 0 then
		RoleLimits[RandomRole] = 0
	end
end

This is how you could achieve this. Make sure that the “RoleLimits” dictionary isn’t being overridden though.

#3

How would I access the roles that have not been chosen, though?

#4

Get the roles of each player and compare them with the available roles.

#5

That would have to include me knowing what the available roles are, though.

My question is to know what the available roles are.

#6

Whatever roles don’t have a limit of 0.

#7

I think you misunderstand, RoleLimits is so that each role has a limit to be given out. The numbers there are the limits.

But I can make another section inside the module for the roles that have been given out.

I dont understand how I would do that, though.