function OnGameEvent_player_say(params) { 
	if (params.text.tolower() == "hardmode" || params.text.tolower() == "/hardmode" || params.text.tolower() == "!hardmode" || params.text.tolower() == "hard" || params.text.tolower() == "/hard" || params.text.tolower() == "!hard") 
	{
		EntFire("popscript", "$EnableHardMode")
	}
}

__CollectGameEventCallbacks(this)

::ZombieUnderworld <- {
	function SetSpecialCloak()
	{
		local hPlayer = self
		local hItem   = hPlayer.GetActiveWeapon()
		for(local hChild = hPlayer.FirstMoveChild(); hChild; hChild = hChild.NextMovePeer())
			if(hChild != hItem && hChild.GetScriptThinkFunc() == "")
				{ hItem = hChild; break }
		if(!hItem) return

		hPlayer.AddCond(TF_COND_STEALTHED_USER_BUFF_FADING)
		hItem.ValidateScriptScope()
		local hItem_scope = hItem.GetScriptScope()
		hItem_scope.Think <- function()
		{
			if(!self.IsValid()) return
			if(hPlayer.InCond(TF_COND_STEALTHED))
				hPlayer.RemoveCond(TF_COND_STEALTHED)
			SetPropFloat(hPlayer, "m_Shared.m_flInvisChangeCompleteTime", Time() + 0.15)
			return -1
		}
		AddThinkToEnt(hItem, "Think")
	}
}