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from Move import Move
class Piece(object):
def __init__(self, x, y, vertical):
"""
Initialize piece class
@type x: integer
@param x: x coordinate
@type y: integer
@param y: y coordinate
@type vertical: boolean
@param vertical: marks whether this piece can move vertically or not
"""
super(Piece, self).__init__()
if type(x) != int or type(y) != int or (vertical != None and type(vertical) != bool):
raise AttributeError("Incorrect types given for class Piece")
self.x = x
self.y = y
self.isVertical = vertical
def move(self, move):
"""
Move the piece if the given move is valid
@type move: Move
@param move: Move that will change the location of the piece
"""
if type(move) != Move:
raise AttributeError("Incorrect type given to move a piece")
if not move.isValid():
raise AttributeError("Move given is not valid and can't be used")
if self.isVertical:
if move.up == 0:
raise AttributeError("Horizontal move given for piece that can only move vertically")
elif move.right == 0:
raise AttributeError("Vertical move given for piece that can only move horizontally")
self.x += move.right
self.y += move.up
def copy(self):
"""
Create a copy of self.
@rtype: Piece
@return: Copy of this piece
"""
return Piece(self.x, self.y, self.isVertical)
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