ref: c480632d5494d04f7f5f0298a31877a2293b564e
dir: /constants/map_data_constants.asm/
; width of east/west connections ; height of north/south connections MAP_BORDER EQU 3 ; connection directions EAST EQU 1 WEST EQU 2 SOUTH EQU 4 NORTH EQU 8 ; tileset environments INDOOR EQU 0 CAVE EQU 1 OUTDOOR EQU 2