void MoveGenerator::AddBlackPawnCapture(const Board *gameboard, const int from_sq, const int to_sq, const int capture, MOVELIST *move_list) {
if (rank_of[from_sq] == RANK_2) {
AddCaptureMove(gameboard, MOVE(from_sq,to_sq,capture,BLACK_QUEEN,0), move_list);
AddCaptureMove(gameboard, MOVE(from_sq,to_sq,capture,BLACK_ROOK,0), move_list);
AddCaptureMove(gameboard, MOVE(from_sq,to_sq,capture,BLACK_BISHOP,0), move_list);
AddCaptureMove(gameboard, MOVE(from_sq,to_sq,capture,BLACK_KNIGHT,0), move_list);
}
else
AddCaptureMove(gameboard, MOVE(from_sq,to_sq,capture,EMPTY,0), move_list);
}
static void AddWhitePawnCapMove(const S_BOARD *pos, const int from, const int to, const int cap, S_MOVELIST *list) {
ASSERT(PieceValidEmpty(cap));
ASSERT(SqOnBoard(from));
ASSERT(SqOnBoard(to));
if(RanksBrd[from] == RANK_7) {
AddCaptureMove(pos, MOVE(from, to, cap, wQ, 0), list);
AddCaptureMove(pos, MOVE(from, to, cap, wR, 0), list);
AddCaptureMove(pos, MOVE(from, to, cap, wB, 0), list);
AddCaptureMove(pos, MOVE(from, to, cap, wN, 0), list);
} else {
AddCaptureMove(pos, MOVE(from, to, cap, EMPTY, 0), list);
}
}
void MoveGenerator::GenerateAllNonSlideMoves(Board *gameboard, MOVELIST *move_list) {
piece_index = non_sliding_pieces_index[side];
piece = non_sliding_pieces[piece_index++];
while (piece != 0) {
for (piece_number = 0; piece_number < gameboard->piece_number[piece]; ++piece_number) {
square = gameboard->piece_list[piece][piece_number];
for (index = 0; index < number_of_directions_per_piece[piece]; ++index) {
direction = piece_direction[piece][index];
tmp_square = square + direction;
if (SQUAREOFFBOARD(tmp_square)) {
continue;
}
// BLACK ^ 1 == WHITE WHITE ^ 1 == BLACK
if (gameboard->pieces[tmp_square] != EMPTY) {
if(PieceColor[gameboard->pieces[tmp_square]] == (side ^ 1)) {
AddCaptureMove(gameboard, MOVE(square, tmp_square, gameboard->pieces[tmp_square], EMPTY, 0), move_list);
}
continue;
}
AddQuietMove(gameboard, MOVE(square, tmp_square, EMPTY, EMPTY, 0), move_list);
}
}
piece = non_sliding_pieces[piece_index++];
}
}
static void AddBlackPawnCapMove(const CHESS_BOARD *pos, const int from, const int to, const int cap, MOVELIST *list) {
ASSERT(PieceValidEmpty(cap));
ASSERT(SqOnBoard(from));
ASSERT(SqOnBoard(to));
ASSERT(CheckBoard(pos));
if (RanksBrd[from] == RANK_2) {
AddCaptureMove(pos, MOVE(from, to, cap, bQ, 0), list);
AddCaptureMove(pos, MOVE(from, to, cap, bR, 0), list);
AddCaptureMove(pos, MOVE(from, to, cap, bB, 0), list);
AddCaptureMove(pos, MOVE(from, to, cap, bN, 0), list);
}
else {
AddCaptureMove(pos, MOVE(from, to, cap, EMPTY, 0), list);
}
}
void GenerateAllCaps(const CHESS_BOARD *pos, MOVELIST *list) {
ASSERT(CheckBoard(pos));
list->count = 0;
int pce = EMPTY;
int side = pos->side;
int sq = 0; int t_sq = 0;
int pceNum = 0;
int dir = 0;
int index = 0;
int pceIndex = 0;
if (side == WHITE) {
for (pceNum = 0; pceNum < pos->pieceNum[wP]; ++pceNum) {
sq = pos->pList[wP][pceNum];
ASSERT(SqOnBoard(sq));
if (!SQOFFBOARD(sq + 9) && PieceCol[pos->pieces[sq + 9]] == BLACK) {
AddWhitePawnCapMove(pos, sq, sq + 9, pos->pieces[sq + 9], list);
}
if (!SQOFFBOARD(sq + 11) && PieceCol[pos->pieces[sq + 11]] == BLACK) {
AddWhitePawnCapMove(pos, sq, sq + 11, pos->pieces[sq + 11], list);
}
if (pos->enPas != NO_SQ) {
if (sq + 9 == pos->enPas) {
AddEnPassantMove(pos, MOVE(sq, sq + 9, EMPTY, EMPTY, MFLAGEP), list);
}
if (sq + 11 == pos->enPas) {
AddEnPassantMove(pos, MOVE(sq, sq + 11, EMPTY, EMPTY, MFLAGEP), list);
}
}
}
}
else {
for (pceNum = 0; pceNum < pos->pieceNum[bP]; ++pceNum) {
sq = pos->pList[bP][pceNum];
ASSERT(SqOnBoard(sq));
if (!SQOFFBOARD(sq - 9) && PieceCol[pos->pieces[sq - 9]] == WHITE) {
AddBlackPawnCapMove(pos, sq, sq - 9, pos->pieces[sq - 9], list);
}
if (!SQOFFBOARD(sq - 11) && PieceCol[pos->pieces[sq - 11]] == WHITE) {
AddBlackPawnCapMove(pos, sq, sq - 11, pos->pieces[sq - 11], list);
}
if (pos->enPas != NO_SQ) {
if (sq - 9 == pos->enPas) {
AddEnPassantMove(pos, MOVE(sq, sq - 9, EMPTY, EMPTY, MFLAGEP), list);
}
if (sq - 11 == pos->enPas) {
AddEnPassantMove(pos, MOVE(sq, sq - 11, EMPTY, EMPTY, MFLAGEP), list);
}
}
}
}
/* Loop for slide pieces */
pceIndex = LoopSlideIndex[side];
pce = LoopSlidePce[pceIndex++];
while (pce != 0) {
ASSERT(PieceValid(pce));
for (pceNum = 0; pceNum < pos->pieceNum[pce]; ++pceNum) {
sq = pos->pList[pce][pceNum];
ASSERT(SqOnBoard(sq));
for (index = 0; index < NumDir[pce]; ++index) {
dir = PceDir[pce][index];
t_sq = sq + dir;
while (!SQOFFBOARD(t_sq)) {
// BLACK ^ 1 == WHITE WHITE ^ 1 == BLACK
if (pos->pieces[t_sq] != EMPTY) {
if (PieceCol[pos->pieces[t_sq]] == (side ^ 1)) {
AddCaptureMove(pos, MOVE(sq, t_sq, pos->pieces[t_sq], EMPTY, 0), list);
}
break;
}
t_sq += dir;
}
}
}
pce = LoopSlidePce[pceIndex++];
}
/* Loop for non slide */
pceIndex = LoopNonSlideIndex[side];
pce = LoopNonSlidePce[pceIndex++];
while (pce != 0) {
ASSERT(PieceValid(pce));
for (pceNum = 0; pceNum < pos->pieceNum[pce]; ++pceNum) {
sq = pos->pList[pce][pceNum];
ASSERT(SqOnBoard(sq));
for (index = 0; index < NumDir[pce]; ++index) {
dir = PceDir[pce][index];
t_sq = sq + dir;
if (SQOFFBOARD(t_sq)) {
continue;
}
// BLACK ^ 1 == WHITE WHITE ^ 1 == BLACK
if (pos->pieces[t_sq] != EMPTY) {
if (PieceCol[pos->pieces[t_sq]] == (side ^ 1)) {
AddCaptureMove(pos, MOVE(sq, t_sq, pos->pieces[t_sq], EMPTY, 0), list);
}
continue;
}
}
}
pce = LoopNonSlidePce[pceIndex++];
}
ASSERT(MoveListOk(list, pos));
}
void GenerateAllMoves(const CHESS_BOARD *pos, MOVELIST *list) {
ASSERT(CheckBoard(pos));
list->count = 0;
int pce = EMPTY;
int side = pos->side;
int sq = 0; int t_sq = 0;
int pceNum = 0;
int dir = 0;
int index = 0;
int pceIndex = 0;
if (side == WHITE) {
for (pceNum = 0; pceNum < pos->pieceNum[wP]; ++pceNum) {
sq = pos->pList[wP][pceNum];
ASSERT(SqOnBoard(sq));
if (pos->pieces[sq + 10] == EMPTY) {
AddWhitePawnMove(pos, sq, sq + 10, list);
if (RanksBrd[sq] == RANK_2 && pos->pieces[sq + 20] == EMPTY) {
AddQuietMove(pos, MOVE(sq, (sq + 20), EMPTY, EMPTY, MFLAGPS), list);
}
}
if (!SQOFFBOARD(sq + 9) && PieceCol[pos->pieces[sq + 9]] == BLACK) {
AddWhitePawnCapMove(pos, sq, sq + 9, pos->pieces[sq + 9], list);
}
if (!SQOFFBOARD(sq + 11) && PieceCol[pos->pieces[sq + 11]] == BLACK) {
AddWhitePawnCapMove(pos, sq, sq + 11, pos->pieces[sq + 11], list);
}
if (pos->enPas != NO_SQ) {
if (sq + 9 == pos->enPas) {
AddEnPassantMove(pos, MOVE(sq, sq + 9, EMPTY, EMPTY, MFLAGEP), list);
}
if (sq + 11 == pos->enPas) {
AddEnPassantMove(pos, MOVE(sq, sq + 11, EMPTY, EMPTY, MFLAGEP), list);
}
}
}
if (pos->castlePerm & WKCA) {
if (pos->pieces[F1] == EMPTY && pos->pieces[G1] == EMPTY) {
if (!SqAttacked(E1, BLACK, pos) && !SqAttacked(F1, BLACK, pos)) {
AddQuietMove(pos, MOVE(E1, G1, EMPTY, EMPTY, MFLAGCA), list);
}
}
}
if (pos->castlePerm & WQCA) {
if (pos->pieces[D1] == EMPTY && pos->pieces[C1] == EMPTY && pos->pieces[B1] == EMPTY) {
if (!SqAttacked(E1, BLACK, pos) && !SqAttacked(D1, BLACK, pos)) {
AddQuietMove(pos, MOVE(E1, C1, EMPTY, EMPTY, MFLAGCA), list);
}
}
}
}
else {
for (pceNum = 0; pceNum < pos->pieceNum[bP]; ++pceNum) {
sq = pos->pList[bP][pceNum];
ASSERT(SqOnBoard(sq));
if (pos->pieces[sq - 10] == EMPTY) {
AddBlackPawnMove(pos, sq, sq - 10, list);
if (RanksBrd[sq] == RANK_7 && pos->pieces[sq - 20] == EMPTY) {
AddQuietMove(pos, MOVE(sq, (sq - 20), EMPTY, EMPTY, MFLAGPS), list);
}
}
if (!SQOFFBOARD(sq - 9) && PieceCol[pos->pieces[sq - 9]] == WHITE) {
AddBlackPawnCapMove(pos, sq, sq - 9, pos->pieces[sq - 9], list);
}
if (!SQOFFBOARD(sq - 11) && PieceCol[pos->pieces[sq - 11]] == WHITE) {
AddBlackPawnCapMove(pos, sq, sq - 11, pos->pieces[sq - 11], list);
}
if (pos->enPas != NO_SQ) {
if (sq - 9 == pos->enPas) {
AddEnPassantMove(pos, MOVE(sq, sq - 9, EMPTY, EMPTY, MFLAGEP), list);
}
if (sq - 11 == pos->enPas) {
AddEnPassantMove(pos, MOVE(sq, sq - 11, EMPTY, EMPTY, MFLAGEP), list);
}
}
}
// castling
if (pos->castlePerm & BKCA) {
if (pos->pieces[F8] == EMPTY && pos->pieces[G8] == EMPTY) {
if (!SqAttacked(E8, WHITE, pos) && !SqAttacked(F8, WHITE, pos)) {
AddQuietMove(pos, MOVE(E8, G8, EMPTY, EMPTY, MFLAGCA), list);
}
}
}
if (pos->castlePerm & BQCA) {
if (pos->pieces[D8] == EMPTY && pos->pieces[C8] == EMPTY && pos->pieces[B8] == EMPTY) {
if (!SqAttacked(E8, WHITE, pos) && !SqAttacked(D8, WHITE, pos)) {
AddQuietMove(pos, MOVE(E8, C8, EMPTY, EMPTY, MFLAGCA), list);
}
}
}
}
/* Loop for slide pieces */
pceIndex = LoopSlideIndex[side];
pce = LoopSlidePce[pceIndex++];
while (pce != 0) {
ASSERT(PieceValid(pce));
for (pceNum = 0; pceNum < pos->pieceNum[pce]; ++pceNum) {
sq = pos->pList[pce][pceNum];
ASSERT(SqOnBoard(sq));
for (index = 0; index < NumDir[pce]; ++index) {
dir = PceDir[pce][index];
t_sq = sq + dir;
while (!SQOFFBOARD(t_sq)) {
// BLACK ^ 1 == WHITE WHITE ^ 1 == BLACK
if (pos->pieces[t_sq] != EMPTY) {
if (PieceCol[pos->pieces[t_sq]] == (side ^ 1)) {
AddCaptureMove(pos, MOVE(sq, t_sq, pos->pieces[t_sq], EMPTY, 0), list);
}
break;
}
AddQuietMove(pos, MOVE(sq, t_sq, EMPTY, EMPTY, 0), list);
t_sq += dir;
}
}
}
pce = LoopSlidePce[pceIndex++];
}
/* Loop for non slide */
pceIndex = LoopNonSlideIndex[side];
pce = LoopNonSlidePce[pceIndex++];
while (pce != 0) {
ASSERT(PieceValid(pce));
for (pceNum = 0; pceNum < pos->pieceNum[pce]; ++pceNum) {
sq = pos->pList[pce][pceNum];
ASSERT(SqOnBoard(sq));
for (index = 0; index < NumDir[pce]; ++index) {
dir = PceDir[pce][index];
t_sq = sq + dir;
if (SQOFFBOARD(t_sq)) {
continue;
}
// BLACK ^ 1 == WHITE WHITE ^ 1 == BLACK
if (pos->pieces[t_sq] != EMPTY) {
if (PieceCol[pos->pieces[t_sq]] == (side ^ 1)) {
AddCaptureMove(pos, MOVE(sq, t_sq, pos->pieces[t_sq], EMPTY, 0), list);
}
continue;
}
AddQuietMove(pos, MOVE(sq, t_sq, EMPTY, EMPTY, 0), list);
}
}
pce = LoopNonSlidePce[pceIndex++];
}
//ASSERT(MoveListOk(list, pos));
}
