Package org.swtpra1

Class AIPlayer

java.lang.Object

org.swtpra1.AIPlayer

Direct Known Subclasses:

AlphaBetaPlayer, RandomPlayer, RelativeTerritoryPlayer

public abstract class AIPlayer
extends java.lang.Object

Abstract class for all player implementations. Subclasses need to implement the calculateTurn functionality. To help with that the class offers functionality to calculate the possible turns given a position

Field Summary

Fields

Modifier and Type	Field	Description
static long	BUFFER_TIME
static long	DEFAULT_MAX_TURN_TIME

Constructor Summary

Constructors

Constructor	Description
AIPlayer()

Method Summary

Modifier and Type	Method	Description
abstract Turn	calculateTurn(int gameId, Board board, int playerId, Turn enemyTurn)	Calculates best turn in the players' view.
abstract Turn	calculateTurn(int gameId, Board board, int playerId, Turn enemyTurn, long maxTurnTime)	Calculates best turn in the players' view within a given timelimit.
protected static java.util.List<Square>	generateQueensMoves(Square startingSquare, Board board)	Gets the Squares a queen can move to from a given square It is used to generate the queen and shot squares.
static java.util.List<Turn>	getAllPossibleTurns(Board board, int playerId)	Get all possible turns of a player on the board.
void	newGame()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEFAULT_MAX_TURN_TIME

public static final long DEFAULT_MAX_TURN_TIME

BUFFER_TIME

public static final long BUFFER_TIME

See Also:

Constant Field Values

Constructor Detail

AIPlayer

public AIPlayer()

Method Detail

calculateTurn

public abstract Turn calculateTurn(int gameId,
                                   Board board,
                                   int playerId,
                                   Turn enemyTurn)

Calculates best turn in the players' view.

Parameters:

gameId - the id of the game that is being played

board - the current board state

playerId - our player id

enemyTurn - the turn played by the enemy

Returns:

best possible turn

calculateTurn

public abstract Turn calculateTurn(int gameId,
                                   Board board,
                                   int playerId,
                                   Turn enemyTurn,
                                   long maxTurnTime)

Calculates best turn in the players' view within a given timelimit.

Parameters:

gameId - the id of the game that is being played

board - the current board state

playerId - our player id

enemyTurn - the turn played by the enemy

maxTurnTime - the time we are given to calculate the turn in ms

Returns:

best possible turn

newGame

public void newGame()

getAllPossibleTurns

public static java.util.List<Turn> getAllPossibleTurns(Board board,
                                                       int playerId)

Get all possible turns of a player on the board.

Parameters:

board - The current board.

playerId - The relative player id of the player whose possible turns we want to get.

Returns:

List of all possible turns a player can make.

generateQueensMoves

protected static java.util.List<Square> generateQueensMoves(Square startingSquare,
                                                            Board board)

Gets the Squares a queen can move to from a given square It is used to generate the queen and shot squares.

Parameters:

startingSquare - The start square.

board - The current board.

Returns:

The list of squares where a queen can go.