+ -- ^ Param2 value of decoration nodes.
+ -- ^ If param2_max is not 0, this is the lower limit of a randomly selected param2.
+ param2_max = 0,
+ -- ^ Upper limit of the randomly selected param2.
+ -- ^ If absent, the parameter 'param2' is used as a constant.
+ place_offset_y = 0,
+ -- ^ Y offset of the decoration base node relative to the standard
+ -- ^ base node position for simple decorations.
+ -- ^ Can be positive or negative. Default is 0.
+ -- ^ Ignored by 'y_min', 'y_max' and 'spawn_by' checks, which always refer
+ -- ^ to the 'place_on' node.