local max_oxygen = 100 --maximum amount of oxygen player can store
local current_oxygen = 100 --starting amount of oxygen player has in store
local delay = 0.8 --amount of time between oxygen updates
local damage = 10 --amount of damage to apply when oxygen runs out (will apply some when below 10% to start the heartbeat as a warning)
local damge_delay = 0.5 --how fast damage is applied after oxygen runs out
local healing = 1 --set to 0 if player doesnt automatically restore health from being inside
local health_restore = 1 --how quickly health replenishes once back inside
outside = 1 --set to 1 if player starts outside

local max_health = nil

delay = delay * 1000
damge_delay = damge_delay * 1000
function oxygen_level_init(e)
Hide(e)
CollisionOff(e)
end

function oxygen_level_main(e)
Hide(e)
CollisionOff(e)
if max_health == nil then
max_health = g_PlayerHealth
else

Panel(88,81,98,87)
TextCenterOnX(93,84,3,"O2 : "..current_oxygen.." / "..max_oxygen)
if g_PlayerHealth < 1 then
current_oxygen = max_oxygen
end

if outside == 1 then

if current_oxygen > 0 then
if GetTimer(e) > delay then
StartTimer(e)
if current_oxygen < max_oxygen / 10 then
HurtPlayer(e,damage/10)
end
current_oxygen = current_oxygen - 1
end 
else
if GetTimer(e) > damge_delay then
StartTimer(e)
HurtPlayer(e,damage)
end
end
else
if GetTimer(e) > delay then
StartTimer(e)
if current_oxygen < max_oxygen then
current_oxygen = current_oxygen + 1 
end
if healing == 1 and g_PlayerHealth > 0 then
if g_PlayerHealth < max_health then
if g_PlayerHealth + health_restore <= max_health then
SetPlayerHealth(g_PlayerHealth+health_restore)
else
SetPlayerHealth(max_health)
end
end
end
end
end
end

end

function oxygen_level_exit(e)

end