essencefont 2

function()
    -- Essence Font target counter
    -- Original code by Clebane. Modified by Garg & Raysere
    -- Revision 6
    -- Last modified 18 Jan 2017 by Raysere

    -- Number of injured targets in range before aura will show
    aura_env.target_threshold = 3

    --When the number of injured targets drops below this number, the aura will hide
    aura_env.untrigger_threshold = 3

    --Amount of HP below maximum a unit must be before being counted
    aura_env.hp_threshold_mod = 0

    aura_env.rangecheck =  aura_env.rangecheck or GetTime()

    --Only run if it's been > 1 second since the last time we ran
    if GetTime() - aura_env.rangecheck > 1 then

        aura_env.rangecheck = GetTime()

        if IsInGroup() then

            aura_env.rangecheckcount = 0

            local grouptype = (IsInRaid() and 'raid') or (IsInGroup() and 'party')

            --Check if player should be counted as viable target
            --Doing this separately because of awkward difference between party and raid UIDs
            if UnitHealth('player') < (UnitHealthMax('player') - aura_env.hp_threshold_mod) then
                aura_env.rangecheckcount = aura_env.rangecheckcount +1
            end

            --Iterate over group members, check their range, make sure they are not the player, then check if injured and increment count if so.
            for i = 1,GetNumGroupMembers() do

                --Workaround for 7.1 kneecapping of UnitDistanceSquared
                local inRange = IsItemInRange(31463,grouptype..i)

                if not UnitIsUnit(grouptype..i, 'player') and inRange then

                    if UnitHealth(grouptype..i) < (UnitHealthMax(grouptype..i) - aura_env.hp_threshold_mod) then

                        aura_env.rangecheckcount = aura_env.rangecheckcount + 1


                    end
                end
            end

            if aura_env.rangecheckcount >= aura_env.target_threshold then
                return true
            end
        end
    end
end