The emitter system distributes resources from emitters -> consumers by spawning trucks.
Override, do not call this directly, use startDraw()
Finds a consumer for the given cache component
Tile ID
Recomputes all target entities after the game has loaded
Recomputes the target entities
Checks if the target tile is a valid consumer
GameSystem.draw Wrapper arround the draw method
The emitter system distributes resources from emitters -> consumers by spawning trucks.