stellar

Generate castling moves

1 files changed, 28 insertions(+), 1 deletions(-)

diff --git a/ src/engine.c b/ src/engine.c

@@ -266,6 +266,31 @@ void CBoard_move_generate(CBoard_T self) { } } }

// Castling

{

if (!CBoard_square_isAttack(self, e1, BLACK)) {

if (self->castle & WK && !bit_get(occupancy, f1) &&

!bit_get(occupancy, g1)) {

printf("CASTLE WHITE KING SIDE\n");

}

if (self->castle & WQ && !bit_get(occupancy, b1) &&

!bit_get(occupancy, c1) && !bit_get(occupancy, d1)) {

printf("CASTLE WHITE QUEEN SIDE\n");

}

}

if (!CBoard_square_isAttack(self, e1, WHITE)) {

if (self->castle & BK && !bit_get(occupancy, f8) &&

!bit_get(occupancy, g8)) {

printf("CASTLE BLACK KING SIDE\n");

}

if (self->castle & BQ && !bit_get(occupancy, b8) &&

!bit_get(occupancy, c8) && !bit_get(occupancy, d8)) {

printf("CASTLE BLACK QUEEN SIDE\n");

}

}

}

} void CBoard_print(CBoard_T self) {

@@ -330,7 +355,9 @@ int main(void) { init_all(); CBoard_T board;

board = CBoard_fromFEN(NULL, tricky_position);

board = CBoard_fromFEN(

NULL,

"r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - 0 1 ");

CBoard_print(board); CBoard_move_generate(board);