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Chess

Chess. Responsibilities . Collaborators. ChessRules ChessPlayer (2) ChessDisplayer. ChessRules. Play the game: Initialize the Board Set CurrentPlayer to Player(White) and NextPlayer to Player(Black) while (game is not over) { Get the Move from CurrentPlayer Display the Move

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Chess

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  1. Chess Responsibilities Collaborators ChessRules ChessPlayer(2) ChessDisplayer ChessRules • Play the game: • Initialize the Board • Set CurrentPlayer to Player(White) and NextPlayer to Player(Black) • while (game is not over) { • Get the Move from CurrentPlayer • Display the Move • Update Board to reflect the Move • Display the updated Board • Reverse Current and Next Players } • Display the game result • Construct most of the objects? ChessPlayer ChessRules ChessDisplayer

  2. ChessRules Responsibilities Collaborators ChessBoard ChessPiece ChessMove • Initialize the ChessBoard • Construct ChessPiece’sand put them on it • Return whether or not the game is over • When the game is over, return the result • Returns whether a given Move is valid • Update the Board to reflect a given Move

  3. ChessPlayer Responsibilities Collaborators ChessAI ChessMove ChessRules • Get a Suggested Move • From the human user, or • From an AI player (future expansion) • Choose (return) a Legal Move • Get a Suggested Move • See if it is legal • If not, repeat

  4. ChessDisplayerextends JComponent Responsibilities Collaborators ChessBoard ChessPiece ChessRules? To know what, if anything, to highlight • Display the ChessBoard • Display a given ChessMove • Display the game result

  5. ChessBoard Responsibilities Collaborators Coordinate ChessPiece • Return (get) the ChessPieceat a given Coordinate • Set the given ChessPieceat a given coordinate • Maintains the ChessPiecesin an 8x8 array

  6. ChessPiecehas subclasses for each type of chess piece (King, Bishop, etc) Responsibilities Collaborators Coordinate Color Graphics2D • Draw itself on a given Graphics2D object • Be constructed at a given Coordinate with a given color • Set its location to a given Coordinate • Return the set of valid moves for this piece in isolation • Has a Coordinate (where the Piece is located) and a Color (white or black)

  7. Coordinate Responsibilities Collaborators • Get the row of this Coordinate • Get the column of this Coordinate • Set the row and column of this Coordinate • A Coordinate is a pair of integers

  8. ChessMove Responsibilities Collaborators Coordinate • Get the beginning Coordinate of this ChessMove • Get the ending Coordinate of this ChessMove • Set the beginning and ending Coordinates of this ChessMove • A ChessMoveis a pair of Coordinates

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