59 lines
2.2 KiB
Java
59 lines
2.2 KiB
Java
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package fr.iut_fbleau.GameAPI;
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import java.util.EnumMap;
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/**
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* The abstract class for an Abstract Game.
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* All inheriting classes should be turn taking games (see method run).
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*
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* The abstract game knows the model of the current game state (something implementing
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* an IBoard). It handles the players by providing a map from the Player class
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* (an enum for the player order in the game) to the abstractGamePlayer class
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* (a class that can choose a Ply from any given position).
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*
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* The control loop in the run method selects the appropriate player, sends him
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* what should be a copy of the current game state to help him make his decision.
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* If a player returns an illegal move, an exception is thrown and the game stops.
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* Otherwise, when the game finishes the method returns the result.
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*
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* The logic of the game rule is handled in the class IBoard.
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* In particular, it is possible that the turn taking does not take form of a round
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* robin and switches between players in a non uniform ad hoc fashion.
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*
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* Potential evolution of this class could take into account clocks for the players,
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* which would be better handled here than in the Abstractboard class.
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*
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*/
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public abstract class AbstractGame {
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// board this game is played on
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private IBoard currentBoard;
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// a map from the enum Player to the genuine Player AbstractGamePlayer
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private EnumMap<Player, AbstractGamePlayer> mapPlayers;
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//NB. pas de constructeur possible on est abstrait, il faut faire une usine abstraite.
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/**
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* boucle de contrôle du jeu.
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*
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* @throws IllegalStateException if a player proposes an IllegalMove at some point
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* @return the Result of the game from the perspective of the first player.
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*/
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public Result run(){
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while(! currentBoard.isGameOver()) {
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AbstractGamePlayer player = mapPlayers.get(currentBoard.getCurrentPlayer());
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IBoard board = currentBoard.safeCopy();
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AbstractPly ply = player.giveYourMove(board);
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if (currentBoard.isLegal(ply)) {
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currentBoard.doPly(ply);
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}
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else throw new IllegalStateException("Player "+ player + " is a bloody cheat. I give up.");
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}
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return currentBoard.getResult();
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}
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}
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