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129 lines
2.9 KiB
129 lines
2.9 KiB
/**
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* Copyright Michel Filippi <mfilippi@sade.rhein-main.de>
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* Robert Williams
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* Andrew Chant <andrew.chant@utoronto.ca>
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* André Luiz dos Santos <andre@netvision.com.br>
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* Benjamin Meyer <ben+ksnake@meyerhome.net>
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*
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* This file is part of the ksnake package
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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 library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "ball.h"
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#include "board.h"
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int bounce[8][8]={
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{ NE, NW, SE, SW, N, E, S, W },
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{ SE, SW, NE, NW, S, E, N, W },
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{ NW, NE, SW, SE, N, W, S, E },
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{ SW, SE, NW, NE, S, W, N, E },
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{ NE, NW, SE, SW, N, E, S, W },
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{ SE, SW, NE, NW, S, E, N, W },
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{ NW, NE, SW, SE, N, W, S, E },
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{ SW, SE, NW, NE, S, W, N, E }
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};
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Ball::Ball(Board *b, PixServer *p)
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{
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board = b;
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pixServer = p;
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int i = BoardWidth+1;
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while( !board->isEmpty(i) ) i++;
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hold = index = i;
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board->set(index, Balle);
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next = SE;
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}
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void Ball::zero()
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{
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board->set(index, empty);
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pixServer->erase(index);
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}
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void Ball::nextMove()
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{
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hold = index;
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board->set(hold, empty);
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for ( int x = 0; x < 8 ; x++) {
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int d = bounce[next][x];
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int nextSq = board->getNext(d, index);
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if (board->isHead(nextSq) || board->isEmpty(nextSq)) {
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next = d;
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index = nextSq;
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board->set(index, Balle);
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break;
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}
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}
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}
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void Ball::repaint()
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{
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static int i = 0;
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static bool rotate = true;
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pixServer->erase(hold);
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pixServer->draw(index, BallPix, i);
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if (rotate)
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if (++i > 3) i=0;
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rotate = !rotate;
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}
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void KillerBall::nextMove()
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{
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hold = index;
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board->set(hold, empty);
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// Find the snake.
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int sn = board->samyHeadIndex();
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if(board->isHead(sn)) {
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int nextSq = getNextSquare();
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if(nextSq != -1) {
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next = board->direction(index, nextSq);
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index = nextSq;
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board->set(index, Balle);
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return;
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}
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}
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for ( int x = 0; x < 8 ; x++) {
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int d = bounce[next][x];
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int nextSq = board->getNext(d, index);
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if (board->isHead(nextSq) || board->isEmpty(nextSq)) {
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next = d;
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index = nextSq;
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board->set(index, Balle);
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break;
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}
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}
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}
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int KillerBall::getNextSquare()
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{
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return board->getNextCloseTo(index, board->samyHeadIndex(), true);
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}
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int DumbKillerBall::getNextSquare()
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{
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return board->getNextCloseToDumb(index, board->samyHeadIndex());
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}
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