void Board8x8::generateMoves(
std::list<uint> & indexList,
uint row,
uint col,
MoveList & moveList,
bool isSlider)
{
for (std::list<uint>::iterator itr = indexList.begin(); itr != indexList.end(); ++itr) {
uint destIndex(*itr);
uint destRow = destIndex >> 3;
uint destCol = destIndex & 7;
PieceType otherPiece = mPieceType[destIndex];
if (otherPiece != NoPiece) {
if ( (mWhiteToMove && isBlackPiece(otherPiece)) || (!mWhiteToMove && isWhitePiece(otherPiece)) ) {
Move newMove(row, col, destRow, destCol, otherPiece);
moveList.addMove(newMove);
}
if (isSlider)
break;
}
else {
Move newMove(row, col, destRow, destCol);
moveList.addMove(newMove);
}
}
}
bool ChessBoard::isFiveInARow(size_t row,size_t col)
{
if(!isLocatedPiece(row,col)){return false;}
int counter=1;
for(size_t i=row+1;i<rowgridnum;i++)//向下
{
if(isLocatedPiece(i,col))
{
if(isBlackPiece(row,col)==isBlackPiece(i,col))
{counter++;}
else{break;}
}
else{break;}
}
for(int i=row-1;i>=0;i--)//向上
{
if(isLocatedPiece(i,col))
{
if(isBlackPiece(row,col)==isBlackPiece(i,col))
{counter++;}
else{break;}
}
else{break;}
}
if(counter>=5){return true;}
//判断纵向
counter=1;
for(size_t i=col+1;i<rowgridnum;i++)//向右
{
if(isLocatedPiece(row,i))
{
if(isBlackPiece(row,col)==isBlackPiece(row,i))
{counter++;}
else{break;}
}
else{break;}
}
for(int i=col-1;i>=0;i--)//向左
{
if(isLocatedPiece(row,i))
{
if(isBlackPiece(row,col)==isBlackPiece(row,i))
{counter++;}
else{break;}
}
else{break;}
}
if(counter>=5){return true;}
//判断横向
counter=1;
for(size_t i=row+1,j=col+1;i<rowgridnum&&j<rowgridnum;i++,j++)
{
if(isLocatedPiece(i,j))
{
if(isBlackPiece(row,col)==isBlackPiece(i,j))
{counter++;}
else{break;}
}
else{break;}
}
for(int i=row-1,j=col-1;i>=0&&j>=0;i--,j--)
{
if(isLocatedPiece(i,j))
{
if(isBlackPiece(row,col)==isBlackPiece(i,j))
{counter++;}
else{break;}
}
else{break;}
}
if(counter>=5){return true;}
//判断斜下
counter=1;
for(int i=row-1,j=col+1;i>=0&&j<rowgridnum;i--,j++)
{
if(isLocatedPiece(i,j))
{
if(isBlackPiece(row,col)==isBlackPiece(i,j))
{counter++;}
else{break;}
}
else{break;}
}
for(int i=row+1,j=col-1;i<rowgridnum&&j>=0;i++,j--)
{
if(isLocatedPiece(i,j))
{
if(isBlackPiece(row,col)==isBlackPiece(i,j))
{counter++;}
else{break;}
}
else{break;}
}
if(counter>=5){return true;}
//判断斜上
return false;
}
void Board8x8::generateWhitePawnMoves(uint row, uint col, MoveList & moveList)
{
static const PieceType promotedPieceTypes[] =
{ WhiteQueen, WhiteRook, WhiteBishop, WhiteKnight };
uint sourceIndex = getIndex(row, col);
std::list<uint> & listMoves = mWhitePawnMoves[sourceIndex];
for (std::list<uint>::iterator itr = listMoves.begin(); itr != listMoves.end(); ++itr)
{
uint destIndex(*itr);
uint destRow = destIndex >> 3;
uint destCol = destIndex & 7;
if (row == 6) {
if (col == destCol) {
if (mPieceType[(row+1)*8+col] == NoPiece) {
for (int i = 0; i < 4; i++) {
Move promoMove(row, col, destRow, destCol, NoPiece, promotedPieceTypes[i]);
moveList.addMove(promoMove);
}
}
}
else {
PieceType otherPiece = mPieceType[destIndex];
if (isPiece(otherPiece) && isBlackPiece(otherPiece)) {
for (int i = 0; i < 4; i++) {
Move promoMove(row, col, destRow, destCol, otherPiece, promotedPieceTypes[i]);
moveList.addMove(promoMove);
}
}
}
}
else {
if (col == destCol) {
bool doublePush = false;
bool singlePush = mPieceType[(row+1)*8+col] == NoPiece;
if (singlePush)
doublePush = mPieceType[(row+2)*8+col] == NoPiece;
if ( (destRow-row) == 1 && singlePush) {
Move newMove(row, col, destRow, destCol);
moveList.addMove(newMove);
}
if ( (destRow-row) == 2 && doublePush) {
Move newMove(row, col, destRow, destCol);
newMove.setDoublePawnPush();
moveList.addMove(newMove);
}
}
else {
PieceType otherPiece = mPieceType[destIndex];
if (isPiece(otherPiece) && isBlackPiece(otherPiece)) {
Move newMove(row, col, destRow, destCol, otherPiece);
moveList.addMove(newMove);
}
}
}
}
// Check en-passant
if (mWhiteEnPassant && row == 4) {
if (col != 7) {
PieceType pieceType = getPieceType(row, col+1);
if (mEnPassantCaptureCol == col + 1 && pieceType == BlackPawn) {
Move newMove(row, col, row+1, col+1, BlackPawn);
newMove.setEnPassant();
moveList.addMove(newMove);
}
}
if (col != 0) {
PieceType pieceType = getPieceType(row, col-1);
if (mEnPassantCaptureCol == col - 1 && pieceType == BlackPawn) {
Move newMove(row, col, row+1, col-1, BlackPawn);
newMove.setEnPassant();
moveList.addMove(newMove);
}
}
}
}
