int QPosition::FindBPawnsMoves(void){
QBitBoard bpmov(BlackPawnMovement(bpawns()));
const int nbp = bpmov.PopCount();
for(int i=0; i<nbp; i++){
const int loc = bpmov.PopFirst();
const U64& to = Piece[loc];
const int cpiece = CheckWPiece(to);
if(cpiece == -1){
const U64 from = nortOne(to);// forward movements
if(from & bpawns()) moves.push_back(QMove(from,to,0,true,cpiece));
else moves.push_back(QMove(nortOne(from),to,0,true,cpiece));
} else{
const U64 fromNoEa = noEaOne(to);
if(fromNoEa & bpawns()){
moves.push_back(QMove(fromNoEa,to,0,true,cpiece));
cap_moves.push_back(moves.size()-1);
}
const U64 fromNoWe = noWeOne(to);
if(fromNoWe & bpawns()){
moves.push_back(QMove(fromNoWe,to,0,true,cpiece));
cap_moves.push_back(moves.size()-1);
}
}
}
return moves.size();
}
int QPosition::FindWPawnsMoves(void){
QBitBoard wpmov(WhitePawnMovement(wpawns()));
const int nwp = wpmov.PopCount();
for(int i=0; i<nwp; i++){
const int loc = wpmov.PopFirst();
const U64& to = Piece[loc];
const int cpiece = CheckBPiece(to);
if(cpiece == -1){
const U64 from = soutOne(to);// forward movements
if(from & wpawns()) moves.push_back(QMove(from,to,0,false,cpiece));
else moves.push_back(QMove(soutOne(from),to,0,false,cpiece));
} else{
const U64 fromSoEa = soEaOne(to);
if(fromSoEa & wpawns()){
moves.push_back(QMove(fromSoEa,to,0,false,cpiece));
cap_moves.push_back(moves.size()-1);
}
const U64 fromSoWe = soWeOne(to);
if(fromSoWe & wpawns()){
moves.push_back(QMove(fromSoWe,to,0,false,cpiece));
cap_moves.push_back(moves.size()-1);
}
}
}
return moves.size();
}
int QPosition::FindKingMoves(void){
const U64& k = turnFlag ? bking() : wking();
const U64& occ = turnFlag ? boccupancy : woccupancy;
QBitBoard kmov(KingMovement(k,occ));
const int nkmov = kmov.PopCount();
for(int j=0; j<nkmov; j++){
const int to_loc = kmov.PopFirst();
const int cpiece = turnFlag ? CheckWPiece(Piece[to_loc]) : CheckBPiece(Piece[to_loc]);
moves.push_back(QMove(k,Piece[to_loc],5,turnFlag,cpiece));
if(cpiece != -1) cap_moves.push_back(moves.size()-1);
}
return moves.size();
}
void SPlotRect( IRect *irect )
{
float xmin = XTRANS(irect->xmin);
float ymin = YTRANS(irect->ymin);
float xmax = XTRANS(irect->xmax);
float ymax = YTRANS(irect->ymax);
QMove( xmin , ymin );
QPlot( xmin , ymax );
QPlot( xmax , ymax );
QPlot( xmax , ymin );
QPlot( xmin , ymin );
}
int QPosition::FindQueenMoves(void){
QBitBoard q(turnFlag ? bqueens() : wqueens());
const int nq = q.PopCount();
for(int i=0; i<nq; i++){
const int from_loc = q.PopFirst();
const U64& occ = turnFlag ? boccupancy : woccupancy;
QBitBoard qmov(RookMovement(Piece[from_loc],occ));
const int nqmov = qmov.PopCount();
for(int j=0; j<nqmov; j++){
const int to_loc = qmov.PopFirst();
const int cpiece = turnFlag ? CheckWPiece(Piece[to_loc]) : CheckBPiece(Piece[to_loc]);
moves.push_back(QMove(Piece[from_loc],Piece[to_loc],4,turnFlag,cpiece));
if(cpiece != -1) cap_moves.push_back(moves.size()-1);
}
}
return moves.size();
}
int QPosition::FindBishopMoves(void){
QBitBoard b(turnFlag ? bbishops() : wbishops());
const int nb = b.PopCount();
for(int i=0; i<nb; i++){
const int from_loc = b.PopFirst();
const U64& occ = turnFlag ? boccupancy : woccupancy;
QBitBoard bmov(BishopMovement(Piece[from_loc],occ));
const int nbmov = bmov.PopCount();
for(int j=0; j<nbmov; j++){
const int to_loc = bmov.PopFirst();
const int cpiece = turnFlag ? CheckWPiece(Piece[to_loc]) : CheckBPiece(Piece[to_loc]);
moves.push_back(QMove(Piece[from_loc],Piece[to_loc],2,turnFlag,cpiece));
if(cpiece != -1) cap_moves.push_back(moves.size()-1);
}
}
return moves.size();
}
int QPosition::FindKnightMoves(void){
QBitBoard kn(turnFlag ? bknights() : wknights());
const int nkn = kn.PopCount();
for(int i=0; i<nkn; i++){
const int from_loc = kn.PopFirst();
const U64& occ = turnFlag ? boccupancy : woccupancy;
QBitBoard knmov(KnightMovement(Piece[from_loc],occ));
const int nmov = knmov.PopCount();
for(int j=0; j<nmov; j++){
const int to_loc = knmov.PopFirst();
const int cpiece = turnFlag ? CheckWPiece(Piece[to_loc]) : CheckBPiece(Piece[to_loc]);
moves.push_back(QMove(Piece[from_loc],Piece[to_loc],1,turnFlag,cpiece));
if(cpiece != -1) cap_moves.push_back(moves.size()-1);
}
}
return moves.size();
}
void SMove( int x , int y )
{
QMove( XTRANS(x) , YTRANS(y) );
}
