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64 lines
2.5 KiB
C++
64 lines
2.5 KiB
C++
/*****************************************************************************
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* Copyright (C) 2005 Eliot
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* Authors: Olivier Teuliere <ipkiss@via.ecp.fr>
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*
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* $Id: ai_percent.h,v 1.1 2005/02/17 20:01:59 ipkiss Exp $
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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#ifndef _AI_PERCENT_H_
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#define _AI_PERCENT_H_
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#include "ai_player.h"
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#include "results.h"
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/*
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* This kind of AI is parameterized by a percentage p.
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* The computation consists in finding all the N possible rounds for the
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* current rack/board, and sorting the list.
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* The chosen round is the n'th element of the sorted list, such that n/N
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* is closest to the percentage p.
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* A percentage of 0 should always return the best round (i.e. the one with
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* the highest score), while a percentage of 1 should return the worst one.
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* This kind of AI will never change letters (unless it cannot play anything,
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* in which case it just passes without chaning letters).
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*/
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class AIPercent: public AIPlayer
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{
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public:
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// Constructor, taking the percentage (0.0 <= iPercent <= 100.0)
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AIPercent(float iPercent);
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virtual ~AIPercent() {}
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// This method does the actual computation, you need to call it before
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// using any of the other methods
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virtual void compute(const Dictionary &iDic, Board &iBoard, int turn);
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// Return true when the AI wants to change letters instead of playing a word
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virtual bool changesLetters() const;
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// Return the round played by the AI (if changesLetters() returns false)
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virtual const Round & getChosenRound() const;
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// Get the letters to change (if changesLetters() returns true)
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virtual vector<Tile> getChangedLetters() const;
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private:
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// Percentage used for this player
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float m_percent;
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// Container for all the found solutions
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Results m_results;
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};
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#endif
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