--almost all of the code here was "borrowed" from Royall's sniper laser script, knowing when you're dead
--and properly cleaning up is quite important for any script applied directly to bots.

--bots will need EventChangeAttributes with the name "Heal" to work with this script


local function removeCallbacks(player, callbacks)
	if not IsValid(player) then
		return
	end

	for _, callbackId in pairs(callbacks) do
		player:RemoveCallback(callbackId)
	end
end

function CheckGround(_, activator)

	local callbacks = {}

	local check

	local terminated = false
	

	local function terminate()
		if terminated then
			return
		end

		terminated = true

		timer.Stop(check)
		removeCallbacks(activator, callbacks)

	end

	check = timer.Create(0.015, function()

		if not IsValid(activator) or not activator:IsAlive() then
			terminate()
			return
		end
	if activator.m_iDamageDone > 0
	then
	activator:ChangeAttributes("Heal")

	end, 0)

	callbacks.died = activator:AddCallback(ON_DEATH, function()
		terminate()
	end)
	callbacks.removed = activator:AddCallback(ON_REMOVE, function()
		terminate()
	end)
	callbacks.spawned = activator:AddCallback(ON_SPAWN, function()
		terminate()
	end)
end