version = int, def = 0
type = string
position = float[3], def = 0
orientation = float[4], def = 0
rgb = float[3], def = 0
cible = int, def = 0, min = 0, max = 2
near_attenuation_on = bool, def = false
nas = float, def = 0
nae = float, def = 0
far_attenuation_on = bool, def = false
fas = float, def = 0
fae = float, def = 10000
angle = float, def = 0
zone = int, def = -1, min = 0