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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef SC_SCTICTAC_HXX
#define SC_SCTICTAC_HXX
//#define TICTACTOE_MAIN
#ifdef TICTACTOE_MAIN
#define TICTACTOE_STDOUT
#else
//#define TICTACTOE_STDOUT
#endif
#ifndef TICTACTOE_STDOUT
#define TICTACTOE_SC
#endif
#ifdef TICTACTOE_SC
class ScDocument;
#include "global.hxx"
#include "address.hxx"
#else
#include <tools/string.hxx>
#endif
static const int ScTicTacToe_Squares = 9;
static const int ScTicTacToe_Possible_Wins = 8;
typedef sal_Unicode Square_Type;
typedef Square_Type Board_Type[ScTicTacToe_Squares];
class ScTicTacToe
{
private:
/* Structure to hold a move and its heuristic */
typedef struct {
int Square;
int Heuristic;
} Move_Heuristic_Type;
static const Square_Type Empty;
static const Square_Type Human;
static const Square_Type Compi;
static const int Infinity; /* Higher value than any score */
static const int Maximum_Moves; /* Maximum moves in a game */
Board_Type Board;
#ifdef TICTACTOE_SC
ScAddress aPos; // linke obere Ecke des Boards
ScDocument* pDoc;
#endif
ByteString aStdOut;
int Total_Nodes; /* Nodes searched with minimax */
int nMove;
Square_Type aPlayer;
BOOL bInitialized;
/* Array describing the eight combinations of three squares in a row */
static const int Three_in_a_Row[ScTicTacToe_Possible_Wins][3];
/* Array used in heuristic formula for each move. */
static const int Heuristic_Array[4][4];
Square_Type Winner();
inline Square_Type Other( Square_Type Player );
inline void Play( int Square, Square_Type Player );
int Evaluate( Square_Type Player );
int BestMove( Square_Type Player, int *Square,
int Move_Nbr, int Alpha, int Beta );
void Describe( int Score );
void Move( int& Square );
Square_Type TryMove( int& Square ); // return Winner()
void PromptHuman();
#ifdef TICTACTOE_SC
// -1 == Fehler/Redraw, 0 == keine Aenderung, >0 == UserMoveSquare+1
int GetStatus();
void DrawBoard();
void DrawPos( int nSquare, const String& rStr );
#endif
#ifdef TICTACTOE_STDOUT
void Print();
#endif
ScTicTacToe( const ScTicTacToe& );
ScTicTacToe& operator=( const ScTicTacToe& );
public:
#ifdef TICTACTOE_SC
ScTicTacToe( ScDocument* pDoc, const ScAddress& );
#else
ScTicTacToe();
#endif
~ScTicTacToe() {}
void Initialize( BOOL bHumanFirst );
Square_Type GetEmpty() { return Empty; }
#ifdef TICTACTOE_SC
Square_Type CalcMove(); // return Winner()
#endif
#ifdef TICTACTOE_STDOUT
void Game();
void GetOutput( ByteString& rStr );
#else
void GetOutput( String& rStr );
#endif
};
#endif
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