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liveboard.cpp
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liveboard.cpp
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#include "liveboard.h"
std::bitset<BOARD_SIZE> LiveBoard::getPossibleBoard() const
{
return possibleBoard;
}
std::bitset<BOARD_SIZE> LiveBoard::getBlackBoard() const
{
return blackBoard;
}
std::bitset<BOARD_SIZE> LiveBoard::getWhiteBoard() const
{
return whiteBoard;
}
LiveBoard::LiveBoard()
{
}
bool LiveBoard::isPossible(int i ,int j)
{
return possibleBoard[toOneDim(i,j)];
}
int LiveBoard::getColor(int r, int c)
{
if(whiteBoard[toOneDim(r,c)])
return Constants::WHITE;
if(blackBoard[toOneDim(r,c)])
return Constants::BLACK;
if(possibleBoard[toOneDim(r,c)])
return Constants::POSSIBLE;
return Constants::BLANK;
}
int LiveBoard::getColor(int r)
{
if(whiteBoard[r])
return Constants::WHITE;
if(blackBoard[r])
return Constants::BLACK;
if(possibleBoard[r])
return Constants::POSSIBLE;
return Constants::BLANK;
}
void LiveBoard::initializeBoard()
{
whiteBoard.reset();
blackBoard.reset();
possibleBoard.reset();
updateColor(CENTER,CENTER,Constants::WHITE);
updateColor(CENTER+1,CENTER+1,Constants::WHITE);
updateColor(CENTER,CENTER+1,Constants::BLACK);
updateColor(CENTER+1,CENTER,Constants::BLACK);
}
void LiveBoard::setPossible(int i,int j)
{
possibleBoard.set(toOneDim(i,j));
}
void LiveBoard::updateColor(int i, int j, int aColor)
{
if(isEmpty(i,j)){
if(aColor == Constants::WHITE)
whiteBoard.set(toOneDim(i,j));
else
blackBoard.set(toOneDim(i,j));
}
else
flipColor(i,j);
}
int LiveBoard::Check(Move move, int incx, int incy, int kind , bool toSet) {
int opponent;
int x=move.i;
int y=move.j;
if (kind == Constants::BLACK) opponent=Constants::WHITE; else opponent=Constants::BLACK;
int n_inc=0;
x+=incx; y+=incy;
while ((x<SIZE) && (x>=0) && (y<SIZE) && (y>=0) && (getColor(x,y)==opponent)) {
x+=incx; y+=incy;
n_inc++;
}
if ((n_inc != 0) && (x<SIZE) && (x>=0) && (y<SIZE) && (y>=0) && (getColor(x,y)==kind)) {
if (toSet)
for (int j = 1 ; j <= n_inc ; j++) {
x-=incx; y-=incy;
set(Move(x,y),kind);
}
return n_inc;
}
else return 0;
}
bool LiveBoard::isValid(Move move, int kind) {
// check increasing x
if (Check(move,1,0,kind,false) != 0) return true;
// check decreasing x
if (Check(move,-1,0,kind,false) != 0) return true;
// check increasing y
if (Check(move,0,1,kind,false) != 0) return true;
// check decreasing y
if (Check(move,0,-1,kind,false) != 0) return true;
// check diagonals
if (Check(move,1,1,kind,false) != 0) return true;
if (Check(move,-1,1,kind,false) != 0) return true;
if (Check(move,1,-1,kind,false) != 0) return true;
if (Check(move,-1,-1,kind,false) != 0) return true;
return false;
}
void LiveBoard::updatePossible(int turnColor)
{
resetPossible();
for (int i =0; i < SIZE ;i++)
for (int j=0; j < SIZE ;j++)
if(isEmpty(i,j) && isValid(Move(i,j),turnColor)){
setPossible(i,j);
possibleList.push_back(Move(i,j));
}
}
LiveBoard& LiveBoard::operator =(LiveBoard& source)
{
this->blackBoard = source.getBlackBoard();
this->whiteBoard = source.getWhiteBoard();
this->possibleBoard = source.getPossibleBoard();
this->possibleList = source.possibleList;
}
int LiveBoard::checkBoard(Move move, int kind)
{
// check increasing x
int j=Check(move,1,0,kind,true);
// check decreasing x
j+=Check(move,-1,0,kind,true);
// check increasing y
j+=Check(move,0,1,kind,true);
// check decreasing y
j+=Check(move,0,-1,kind,true);
// check diagonals
j+=Check(move,1,1,kind,true);
j+=Check(move,-1,1,kind,true);
j+=Check(move,1,-1,kind,true);
j+=Check(move,-1,-1,kind,true);
if (j != 0) set(move,kind);
// updatePossible(kind);
return j;
}
void LiveBoard::set(Move move,int kind)
{
updateColor(move.i,move.j,kind);
}
void LiveBoard::flipColor(int i, int j)
{
whiteBoard.flip(toOneDim(i,j));
blackBoard.flip(toOneDim(i,j));
}
int LiveBoard::toOneDim(int i ,int j)
{
return (i*ROWS +j);
}
bool LiveBoard::isEmpty(int i, int j)
{
std::bitset<BOARD_SIZE> tmpBoard = whiteBoard | blackBoard;
return !tmpBoard[toOneDim(i,j)];
}
bool LiveBoard::notEmpty(int i, int j)
{
return ! isEmpty(i,j);
}
void LiveBoard::printBoard()
{
cout<<" ";
for (int c = 0; c < COLS; c++)
if(c < 9)
cout<< c <<" ";
else
cout << c << " ";
cout<<endl;
for (int r = 0; r < ROWS; r++)
{
if(r < 10)
cout<< r << setw(3);
else
cout << r << setw(2);
for (int c = 0; c < COLS; c++)
{
if(notEmpty(r,c))
{
if (getColor(r,c) == Constants::BLACK)
cout<< "X";
else if(getColor(r,c) == Constants::WHITE)
cout<< "O";
}
else{
if(isPossible(r,c))
cout<<"*";
else
cout<< "-";
}
cout<< " ";
}
cout<< endl;
}
// cout<<endl;
}