public boolean canWalkOnTile(RSTile tile) {
	ArrayList<Flag> flags = getFlagsAtTile(tile);
	return !flags.contains(Flag.MAP_BLOCK) && !flags.contains(Flag.OBJECT_BLOCK)
			&& !flags.contains(Flag.DECORATION_BLOCK);
}

private ArrayList<Flag> getFlagsAtTile(RSTile tile) {
	try {
		ArrayList<Flag> flagsArrayList = new ArrayList<Flag>();
		RSTile offset = walking.getCollisionOffset(game.getPlane());
		int[][] flags = walking.getCollisionFlags(game.getPlane());
		int tileFlag = flags[tile.getX() - (game.getBaseX() + offset.getX())][tile.getY() - (game.getBaseY() + offset.getY())];
		for(Flag flag : Flag.values()) {
			if((flag.getFlag() & tileFlag) != 0) {
				flagsArrayList.add(flag);
			}
		}
		return flagsArrayList;
	} catch(ArrayIndexOutOfBoundsException e) {
		sleep(2000);
		return getFlagsAtTile(tile);
	}
}

@SuppressWarnings({"UnusedDeclaration"})
private enum Flag {
	WALL_NORTHWEST(0x1),
	WALL_NORTH(0x2),
	WALL_NORTHEAST(0x4),
	WALL_EAST(0x8),
	WALL_SOUTHEAST(0x10),
	WALL_SOUTH(0x20),
	WALL_SOUTHWEST(0x40),
	WALL_WEST(0x80),

	OBJECT_TILE(0x100),


	WALL_BLOCK_NORTHWEST(0x200),
	WALL_BLOCK_NORTH(0x400),
	WALL_BLOCK_NORTHEAST(0x800),
	WALL_BLOCK_EAST(0x1000),
	WALL_BLOCK_SOUTHEAST(0x2000),
	WALL_BLOCK_SOUTH(0x4000),
	WALL_BLOCK_SOUTHWEST(0x8000),
	WALL_BLOCK_WEST(0x10000),

	OBJECT_BLOCK(0x20000),
	DECORATION_BLOCK(0x40000),

	MAP_BLOCK(0x200000),

	WALL_ALLOW_RANGE_NORTHWEST(0x400000),
	WALL_ALLOW_RANGE_NORTH(0x800000),
	WALL_ALLOW_RANGE_NORTHEAST(0x1000000),
	WALL_ALLOW_RANGE_EAST(0x2000000),
	WALL_ALLOW_RANGE_SOUTHEAST(0x4000000),
	WALL_ALLOW_RANGE_SOUTH(0x8000000),
	WALL_ALLOW_RANGE_SOUTHWEST(0x10000000),
	WALL_ALLOW_RANGE_WEST(0x20000000),
	OBJECT_ALLOW_RANGE(0x40000000),

	LIMITER(0x1280100),

	NULL(0);
	private int flag;

	Flag(int flag){
		this.flag = flag;
	}

	public int getFlag() {
		return this.flag;
	}

	public String toString() {
		return this.name();
	}
}