public bool Walk(Direction dir) {
if (!CanWalk(dir))
return false;
position = position[dir].OtherSide;
position.Seen = true;
if (OnChange != null)
OnChange(this);
return true;
}
public static int ToInt(Direction dir) {
return dir == NORTH ? 0 :
dir == WEST ? 1 :
dir == EAST ? 2 :
dir == SOUTH ? 3 : -1;
}
public MazeLink this[Direction dir] {
get { return exits[dir.AsInt]; }
}
public MazeLink(Direction dir, bool walled) {
direction = dir;
wall = walled;
}
public String ReportWalk(Direction dir) {
return String.Format(
"You walk to the {0}.\n{1}",
dir, ReportLook
);
}
public bool CanWalk(Direction dir) {
return !position[dir].Wall;
}
