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116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/*****************************************************************************
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* Eliot
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* Copyright (C) 2005-2012 Olivier Teulière
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* Authors: Olivier Teulière <ipkiss @@ gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*****************************************************************************/
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#ifndef FREEGAME_H_
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#define FREEGAME_H_
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#include "game.h"
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#include "logging.h"
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class Player;
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using std::string;
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using std::wstring;
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using std::vector;
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/**
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* This class handles the logic specific to a "free" game.
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*
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* The algorithm is simple: players play at their turn, and they can either
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* play a word or change letters (changing letters implies passing its turn).
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*
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* When a player has no more letters (end of the game), the points of the
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* letters left in the racks of his opponents are added to his score, and
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* removed from the score of the latters.
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*/
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class FreeGame: public Game
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{
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DEFINE_LOGGER();
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friend class GameFactory;
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public:
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/*************************
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* Game handling
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*************************/
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/**
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* Start the game.
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*/
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virtual void start();
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virtual bool isFinished() const;
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/**
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* See description of Game::play() for the possible return values.
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* Note that if the "freegame-reject-invalid" setting is set to false
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* the method always returns 0 (the player will have 0 for this turn)
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*/
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virtual int play(const wstring &iCoord, const wstring &iWord);
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/**
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* Pass the turn, changing the letters listed in iToChange.
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* If you simply want to pass the turn without changing any letter,
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* provide an empty string.
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*
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* Possible return values:
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* 0: everything went fine
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* 1: changing letters is not allowed if there are less than 7 tiles
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* left in the bag
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* 2: the rack of the current player does not contain all the
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* listed letters
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* 3: the game is already finished
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* 4: some letters are invalid for the current dictionary
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*/
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int pass(const wstring &iToChange);
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private:
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/// True if the game is finished, false otherwise
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bool m_finished;
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/// Private constructor to force using the GameFactory class
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FreeGame(const GameParams &iParams, const Game *iMasterGame);
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/// Make the AI player whose ID is p play its turn
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void playAI(unsigned int p);
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/// Record a player move
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void recordPlayerMove(const Move &iMove, Player &ioPlayer);
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/// Finish the current turn
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int endTurn();
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/**
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* Finish the game.
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* @param The winning player is given, use an invalid player number to
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* indicate that there was no winner (e.g.: all players pass several times)
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*/
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void endGame(unsigned iWinningPlayer);
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/**
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* Check whether it is legal to change the letters of iToChange.
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* The return codes are the same as the ones on the pass() method
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*/
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int checkPass(const Player &iPlayer, const wstring &iToChange) const;
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bool allPlayersPassedThreeTimesInARow() const;
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};
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#endif /* _FREEGAME_H_ */
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