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/**
* Copyright Michel Filippi <mfilippi@sade.rhein-main.de>
* Robert Williams
* Andrew Chant <andrew.chant@utoronto.ca>
* André Luiz dos Santos <andre@netvision.com.br>
* Benjamin Meyer <ben+ksnake@meyerhome.net>
*
* This file is part of the ksnake package
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef BOARD_H
#define BOARD_H
enum Square {empty, brick, Apple, Balle, snake, head};
enum Directions {N=0,E=2,S=1,W=3,NE,SE,NW,SW};
#define BoardWidth 35
extern int BRICKSIZE;
extern int MAPWIDTH;
extern int MAPHEIGHT;
#define OUT -1
typedef int Gate;
const int NORTH_GATE = BoardWidth/2;
const int SOUTH_GATE =(BoardWidth*BoardWidth)-(NORTH_GATE+1);
class Pos {
public:
Pos(Pos *p, int i, int r);
~Pos();
int index() const;
void setPrice(int p);
int price() const;
void setParent(Pos *p);
Pos *parent() const;
Pos *listNext();
void addBTree(Pos *np);
Pos *searchBTree(int i);
void addFList(Pos *);
void addList(Pos *np);
private:
int _index;
int _price; // Price to reach this position.
Pos *_parent; // Way to reach destination.
Pos *next; // Single linked list.
Pos *fnext; // Link all Pos instances, so we can delete them all.
Pos *left, *right; // BTree.
bool inList;
};
class Board : public QMemArray<int>
{
public:
Board (int s);
~Board() {}
QRect rect(int i);
void set(int i, Square sq);
bool isBrick(int i);
bool isEmpty(int i);
bool isApple(int i);
bool isHead(int i);
bool isSnake(int i);
int getNext(int, int);
int getNextCloseToDumb(int, int);
int getNextCloseTo(int, int, bool, int = -1);
int direction(int, int);
int samyHeadIndex() const {
return(samyIndex);
}
private:
void index(int i);
bool inBounds(int i);
int row;
int col;
int sz;
int samyIndex;
};
#endif // BOARD_H
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