Remove magic number.
Store border data as 2D array.
Create border-map class.
Require border map class.
Fix module path.
Fix order of border block IDs in array.
Draw border maps repeated.
Build border maps.
Add border map for drawing.
Center camera more accurately over player.
Add TODO.
Clear old warps and add new ones.
Remove comments.
Create get_neighbor_tile_maps function.
Add and draw neighbor tile maps.
Fix bad call to function.
Avoid global referencing.
Use local variables in add_warps function.
Allow tile maps to take offset data.
Take offset into account when drawing tile maps.