mapper

noun

1. One who produces a map.
2. A designer of levels for video games.

   “As he churned out early versions of the Quake III engine, the mappers and artists felt adrift, with no direction on what to pursue.”

3. A software or hardware component that performs a mapping.

   “Throughout the Famicom's life span, Nintendo produced several ASIC mappers, which grew in capability and specialty, allowing the Famicom to break many of its own hardware rules.”