-- Used by Bathe in Light, healing+shielding
-- Keep an eye on this and Weapon of Light for any infinite stack shield then engage combos
newDamageType{
    name = "healing light", type = "HEALING_POWER",
    projector = function(src, x, y, type, dam)
        local target = game.level.map(x, y, Map.ACTOR)
        if target then
            target:setEffect(target.EFF_EMPOWERED_HEALING, 1, {power=(dam/200)})
            if dam >= 100 then target:attr("allow_on_heal", 1) end
            target:heal(dam, src)

            -- If the target is shielded already then add to the shield power, else add a shield
            local shield_power = dam * util.bound((target.healing_factor or 1), 0, 2.5)
            if not target:hasEffect(target.EFF_DAMAGE_SHIELD) then
                target:setEffect(target.EFF_DAMAGE_SHIELD, 2, {power=shield_power})
            else
                -- Shields can't usually merge, so change the parameters manually
                local shield = target:hasEffect(target.EFF_DAMAGE_SHIELD)
                shield.power = shield.power + shield_power
                target.damage_shield_absorb = target.damage_shield_absorb + shield_power
                target.damage_shield_absorb_max = target.damage_shield_absorb_max + shield_power
                shield.dur = math.max(2, shield.dur)

                -- Limit the number of times a shield can be extended
                if shield.dur_extended then
                    shield.dur_extended = shield.dur_extended + 1
                    if shield.dur_extended >= 20 then
                        game.logPlayer(target, "#DARK_ORCHID#Your damage shield cannot be extended any farther and has exploded.")
                        target:removeEffect(target.EFF_DAMAGE_SHIELD)
                    end
                else shield.dur_extended = 1 end
            end
            if dam >= 100 then target:attr("allow_on_heal", -1) end
        end
    end,
}