--[[-------------------------------------------------------------------- Ovale Spell Priority Copyright (C) 2013 Johnny C. Lam This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License in the LICENSE file accompanying this program. --]]-------------------------------------------------------------------- local _, Ovale = ... do local OvaleCondition = Ovale.OvaleCondition local API_UnitExists = UnitExists local ParseCondition = OvaleCondition.ParseCondition local TestBoolean = OvaleCondition.TestBoolean --- Test if the target exists. The target may be alive or dead. -- @name Exists -- @paramsig boolean -- @param yesno Optional. If yes, then return true if the target exists. If no, then return true if it doesn't exist. -- Default is yes. -- Valid values: yes, no. -- @param target Optional. Sets the target to check. The target may also be given as a prefix to the condition. -- Defaults to target=player. -- Valid values: player, target, focus, pet. -- @return A boolean value. -- @see Present -- @usage -- if pet.Exists(no) Spell(summon_imp) local function Exists(condition) local yesno = condition[1] local target = ParseCondition(condition) local boolean = (API_UnitExists(target) == 1) return TestBoolean(boolean, yesno) end OvaleCondition:RegisterCondition("exists", false, Exists) end