Random Generator Stopping Repeats of Levels [SOLVED]

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#1

I am trying to make a tower ish generator that does not repeat the levels that are before it (e.g. 1,1)

I have tried a couple thing to fix it and have managed to make it so that any duplicates are pushed to the side like the picture, but I am unsure how to fill in those gaps once it excludes the duplicates.

Test

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function Generator()
	local stages = game.ReplicatedStorage:WaitForChild("Stages"):GetChildren()
	local start = workspace.EndPart

	local amount = math.random(7,12)
	print(amount)
	local previousStage = start
	
	
	for i= 1, amount,1 do
		local StageChoosed = game.ReplicatedStorage.Stages:GetChildren()[math.random(1, #stages)]:Clone()
		StageChoosed.Parent = game.Workspace.StageGenerated
		print(StageChoosed)
		
		if StageChoosed.Level.Value == previousStage.Level.Value then
			StageChoosed = game.ReplicatedStorage.Stages:GetChildren()[math.random(1, #stages)]:Clone()
		end
		
		StageChoosed:SetPrimaryPartCFrame(
			previousStage.Center.CFrame + Vector3.new(0,17.28,0)
		)
		
		previousStage = StageChoosed
		
	end

	local Endstage = game.ReplicatedStorage.StartPart:Clone()
	Endstage.Parent = game.Workspace.StageGenerated

	Endstage:SetPrimaryPartCFrame(
		previousStage.Center.CFrame + Vector3.new(0,17.28,0)
	)

end
#2

You can remove it from the table of stages once it’s selected. I’ve also fixed some other minor issues.

function Generator()
	local stages = game.ReplicatedStorage:WaitForChild("Stages"):GetChildren()
	local start = workspace.EndPart

	local amount = math.random(7, 12)
	print(amount)
	local previousStage = start


	for i = 1, amount do
		local randIndex = math.random(1, #stages)
		if stages[randIndex] then
			local StageChoosed = stages[randIndex]:Clone()
			table.remove(stages, randIndex) --removes it so it can't be picked again
			StageChoosed.Parent = game.Workspace.StageGenerated
			print(StageChoosed)

			StageChoosed:SetPrimaryPartCFrame(
				previousStage.Center.CFrame + Vector3.new(0, 17.28, 0)
			)

			previousStage = StageChoosed
		end
	end

	local Endstage = game.ReplicatedStorage.StartPart:Clone()
	Endstage.Parent = game.Workspace.StageGenerated

	Endstage:SetPrimaryPartCFrame(
		previousStage.Center.CFrame + Vector3.new(0, 17.28, 0)
	)
end
#3

I’m getting the error ‘ServerScriptService.RoundScript:28: invalid argument #2 to ‘random’ (interval is empty)’ now, thanks for the help also btw

#4

That means that #stages is returning 0.
Is the model/folder in ReplicatedStorage empty?

#5

Oh yeah it is, I have 5 stages at the moment so I think if I make I make the amount between 1-5 it should work fine, I will test that now though.