ref: ef9cb892fdee558305071fe9d22c0f633b199f38
dir: /constants/map_data_constants.asm/
; width of east/west connections ; height of north/south connections MAP_BORDER EQU 3 ; connection directions const_def shift_const EAST ; 1 shift_const WEST ; 2 shift_const SOUTH ; 4 shift_const NORTH ; 8 ; tileset environments const_def const INDOOR ; 0 const CAVE ; 1 const OUTDOOR ; 2