function GetConnectedPlayerCount() -- return the number of all players connected
	playercount = 0
	for _, player in pairs(ents.GetAllPlayers()) do
		if player:IsRealPlayer() and player:GetPlayerName() ~= "Demo-Bot" then
			playercount = playercount + 1
		end
	end
	return playercount
end
function GetAlivePlayerCount() -- return the number of all players alive
	aliveplayercount = 0
	for _, player in pairs(ents.GetAllPlayers()) do
		if player:IsRealPlayer() and player:GetPlayerName() ~= "Demo-Bot" and player:IsAlive() then
			aliveplayercount = aliveplayercount + 1
		end
	end
	return aliveplayercount
end
function GetElevatorPlayerCount() -- return the number of players in the elevator (players with cond 12 are counted as "in the elevator")
	elevatorplayercount = 0
	for _, player in pairs(ents.GetAllPlayers()) do
		if player:IsRealPlayer() and player:GetPlayerName() ~= "Demo-Bot" and player:InCond(12) then
			elevatorplayercount = elevatorplayercount + 1
		end
	end
	return elevatorplayercount
end

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function debugplayers() -- do this in console to check if nothing desyncs: sm_ent_fire popscript $debugplayers
	for _, player in pairs(ents.GetAllPlayers()) do
		player:DisplayTextChat("{blue}-------------------")
	end
	util.PrintToChatAll("connected: " .. GetConnectedPlayerCount())
	util.PrintToChatAll("alive: " .. GetAlivePlayerCount())
end
function CheckPlayersInElevator() --fire a $CheckPlayersInElevator to popscript, if everyone is in, triggers this_relay and triggers that_relay otherwise
	if GetElevatorPlayerCount() == GetAlivePlayerCount() then
		ents.FindByName("elevator_tranisition"):Trigger()
	else
		ents.FindByName("that_relay"):Trigger()
	end
end