public bool AvoidToLeavePath()
{
if (_isLoading == true || _isUnloading == true)
{
return(false);
}
Point LeftTile;
Point RightTile;
Point BackTile;
Point FrontTile;
switch (_direction)
{
case Direction.Up:
LeftTile = new Point(_location.X - 1, _location.Y);
RightTile = new Point(_location.X + 1, _location.Y);
BackTile = new Point(_location.X, _location.Y + 1);
FrontTile = new Point(_location.X, _location.Y - 1);
break;
case Direction.Down:
LeftTile = new Point(_location.X + 1, _location.Y);
RightTile = new Point(_location.X - 1, _location.Y);
BackTile = new Point(_location.X, _location.Y - 1);
FrontTile = new Point(_location.X, _location.Y + 1);
break;
case Direction.Left:
LeftTile = new Point(_location.X, _location.Y + 1);
RightTile = new Point(_location.X, _location.Y - 1);
BackTile = new Point(_location.X + 1, _location.Y);
FrontTile = new Point(_location.X - 1, _location.Y);
break;
case Direction.Right:
LeftTile = new Point(_location.X, _location.Y - 1);
RightTile = new Point(_location.X, _location.Y + 1);
BackTile = new Point(_location.X - 1, _location.Y);
FrontTile = new Point(_location.X + 1, _location.Y);
break;
default:
return(false);
}
if (Warehouse.ValueAt(LeftTile) == 0)
{
_path.Push(_location);
_path.Push(LeftTile);
Program.PrintLine(_id + "Move to left side" + _location + LeftTile);
return(true);
}
else if (Warehouse.ValueAt(RightTile) == 0)
{
_path.Push(_location);
_path.Push(RightTile);
Program.PrintLine(_id + "Move to right side" + _location + RightTile);
return(true);
}
else if (Warehouse.ValueAt(BackTile) == 0)
{
_path.Push(_location);
_path.Push(BackTile);
Program.PrintLine(_id + "Move to back side" + _location + BackTile);
return(true);
}
else if (Warehouse.ValueAt(FrontTile) == 0)
{
_path.Push(_location);
_path.Push(FrontTile);
Program.PrintLine(_id + "Move to front side" + _location + FrontTile);
return(true);
}
Program.PrintLine(_id + "can not move");
return(false);
}