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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.
*/
#include "ball.h"
#include "board.h"
int bounce[8][8]={
{ NE, NW, SE, SW, N, E, S, W },
{ SE, SW, NE, NW, S, E, N, W },
{ NW, NE, SW, SE, N, W, S, E },
{ SW, SE, NW, NE, S, W, N, E },
{ NE, NW, SE, SW, N, E, S, W },
{ SE, SW, NE, NW, S, E, N, W },
{ NW, NE, SW, SE, N, W, S, E },
{ SW, SE, NW, NE, S, W, N, E }
};
Ball::Ball(Board *b, PixServer *p)
{
board = b;
pixServer = p;
int i = BoardWidth+1;
while( !board->isEmpty(i) ) i++;
hold = index = i;
board->set(index, Balle);
next = SE;
}
void Ball::zero()
{
board->set(index, empty);
pixServer->erase(index);
}
void Ball::nextMove()
{
hold = index;
board->set(hold, empty);
for ( int x = 0; x < 8 ; x++) {
int d = bounce[next][x];
int nextSq = board->getNext(d, index);
if (board->isHead(nextSq) || board->isEmpty(nextSq)) {
next = d;
index = nextSq;
board->set(index, Balle);
break;
}
}
}
void Ball::repaint()
{
static int i = 0;
static bool rotate = true;
pixServer->erase(hold);
pixServer->draw(index, BallPix, i);
if (rotate)
if (++i > 3) i=0;
rotate = !rotate;
}
void KillerBall::nextMove()
{
hold = index;
board->set(hold, empty);
// Find the snake.
int sn = board->samyHeadIndex();
if(board->isHead(sn)) {
int nextSq = getNextSquare();
if(nextSq != -1) {
next = board->direction(index, nextSq);
index = nextSq;
board->set(index, Balle);
return;
}
}
for ( int x = 0; x < 8 ; x++) {
int d = bounce[next][x];
int nextSq = board->getNext(d, index);
if (board->isHead(nextSq) || board->isEmpty(nextSq)) {
next = d;
index = nextSq;
board->set(index, Balle);
break;
}
}
}
int KillerBall::getNextSquare()
{
return board->getNextCloseTo(index, board->samyHeadIndex(), true);
}
int DumbKillerBall::getNextSquare()
{
return board->getNextCloseToDumb(index, board->samyHeadIndex());
}
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