GridRegionMapBuilder

constructor(lockedExit: Char = 'x', unlockedExit: Char = ' ', emptySpace: Char = ' ', verticalBoundary: Char = '|', horizontalBoundary: Char = '-', lowerLevel: Char = '.', up: Char = '^', down: Char = 'v', player: Char = 'O', currentFloorIndicator: Char = '*', showLowerFloors: Boolean = true)