void cEval::FullPawnEval(POS * p, int use_hash) {
// Try to retrieve score from pawn hashtable
int addr = p->pawn_key % PAWN_HASH_SIZE;
if (PawnTT[addr].key == p->pawn_key && use_hash) {
mg[WC][F_PAWNS] = PawnTT[addr].mg_pawns;
eg[WC][F_PAWNS] = PawnTT[addr].eg_pawns;
return;
}
// Single pawn eval
ScorePawns(p, WC);
ScorePawns(p, BC);
// King's pawn shield and pawn storm on enemy king,
// including pawn chains
ScoreKing(p, WC);
ScoreKing(p, BC);
// Save stuff in pawn hashtable
PawnTT[addr].key = p->pawn_key;
PawnTT[addr].mg_pawns = mg[WC][F_PAWNS] - mg[BC][F_PAWNS];
PawnTT[addr].eg_pawns = eg[WC][F_PAWNS] - eg[BC][F_PAWNS];
}
void cEval::FullPawnEval(POS * p, eData *e, int use_hash) {
// Try to retrieve score from pawn hashtable
int addr = p->pawn_key % PAWN_HASH_SIZE;
if (PawnTT[addr].key == p->pawn_key && use_hash) {
e->mg[WC][F_PAWNS] = PawnTT[addr].mg_pawns;
e->eg[WC][F_PAWNS] = PawnTT[addr].eg_pawns;
return;
}
// Single pawn eval
ScorePawns(p, e, WC);
ScorePawns(p, e, BC);
// King's pawn shield and pawn storm on enemy king,
// including pawn chains
ScoreKing(p, e, WC);
ScoreKing(p, e, BC);
// King on a wing without pawns
U64 bbAllPawns = p->Pawns(WC) | p->Pawns(BC);
if (bbAllPawns) {
if (!(bbAllPawns & bbKingSide)) {
Add(e, WC, F_PAWNS, empty_ks[p->king_sq[WC]]);
Add(e, BC, F_PAWNS, empty_ks[p->king_sq[BC]]);
}
if (!(bbAllPawns & bbQueenSide)) {
Add(e, WC, F_PAWNS, empty_qs[p->king_sq[WC]]);
Add(e, BC, F_PAWNS, empty_qs[p->king_sq[BC]]);
}
}
// Save stuff in pawn hashtable
PawnTT[addr].key = p->pawn_key;
PawnTT[addr].mg_pawns = e->mg[WC][F_PAWNS] - e->mg[BC][F_PAWNS];
PawnTT[addr].eg_pawns = e->eg[WC][F_PAWNS] - e->eg[BC][F_PAWNS];
}