class MovePicker {
public:
+
+ enum MovegenPhase {
+ PH_TT_MOVE, // Transposition table move
+ PH_MATE_KILLER, // Mate killer from the current ply
+ PH_GOOD_CAPTURES, // Queen promotions and captures with SEE values >= 0
+ PH_BAD_CAPTURES, // Queen promotions and captures with SEE valuse <= 0
+ PH_KILLER_1, // Killer move 1 from the current ply (not used yet).
+ PH_KILLER_2, // Killer move 2 from the current ply (not used yet).
+ PH_NONCAPTURES, // Non-captures and underpromotions
+ PH_EVASIONS, // Check evasions
+ PH_QCAPTURES, // Captures in quiescence search
+ PH_QCHECKS, // Checks in quiescence search
+ PH_STOP
+ };
+
MovePicker(Position &p, bool pvnode, Move ttm, Move mk, Move k1, Move k2,
Depth dpth);
Move get_next_move();
Move get_next_move(Lock &lock);
int number_of_moves() const;
int current_move_score() const;
- Bitboard discovered_check_candidates();
+ MovegenPhase current_move_type() const;
+ Bitboard discovered_check_candidates() const;
static void init_phase_table();
/// all pieces which can possibly give discovered check. This bitboard is
/// computed by the constructor function.
-inline Bitboard MovePicker::discovered_check_candidates() {
+inline Bitboard MovePicker::discovered_check_candidates() const {
return dc;
}