-- in order to use this code ,save this file with the name lightzoneambient.lua
-- just add in a triggerzone anywhere you'd like to
-- have an overall change in the ambient light level , such as entering a cave 
-- or going inside to outside or vice versa
-- just add this .lua file in to the triggerzone and in Properties , in the NAME field
-- put in the number value  (1-255) of the ambient light level you'd like to have
-- at that part of the map
     
local change_amount = {}
local plyr_in_zone = {}
function lightzoneambient_init_name(e,name)
change_amount[e] = tonumber(name)
plyr_in_zone[e] = 0
end
   
function lightzoneambient_main(e)
 if g_Entity[e]['plrinzone']==1 then
  if plyr_in_zone[e] == 0 then
  SetAmbienceIntensity(change_amount[e]) 
  ActivateIfUsed(e)
  plyr_in_zone[e] = 1 
end
else
plyr_in_zone[e] = 0
 end
end