void play(char *position)
{
pieces = initPieces(position);
char player = 'w';
int from, to;
int legal;
while(1)
{
if(isMate(pieces, player))
return;
char *posString = createPosString(pieces);
printBoard(posString);
free(posString);
from = -1;
to = -1;
legal = 0;
printMoves(pieces, player);
while(!legal)
{
readMove(&from, &to);
legal = legalMove(pieces, from, to, player);
char *fromSt, *toSt;
if(!legal)
{
printf("%s %s is illegal\n", fromSt = stringPosToSquare(from), toSt = stringPosToSquare(to));
free(fromSt); free(toSt);
}
}
movePiece(pieces, from, to);
player = player == 'w' ? 'b' : 'w';
}
}
bool Board::canMove(SquareState player)
{
if (player == EMPTY) {
std::string error = "ReversiBoard::canMove : Empty square is not a player.";
throw error;
}
for (int x = 0; x < tSize; ++x) {
for (int y = 0; y < tSize; ++y) {
if (legalMove(x, y, player)) {
return true;
}
}
}
return false;
}
void Board::turn(SquareState player, Individual* individual)
{
if (player == EMPTY) {
std::string error = "ReversiBoard::turn : Empty square is not a player.";
throw error;
}
float maxQuality = 0;
vector<Move> moves;
for (int x = 0; x < tSize; ++x) {
for (int y = 0; y < tSize; ++y) {
if (legalMove(x, y, player)) {
Move move;
move.xPos = x;
move.yPos = y;
if (individual == NULL) {
move.quality = computerEstimation(x, y, player);
} else {
move.quality = individualEstimation(x, y, player, individual);
}
if (move.quality >= maxQuality || moves.size() == 0) {
maxQuality = move.quality;
moves.push_back(move);
}
}
}
}
vector<Move> bestMoves;
for (int i = 0; i < moves.size(); ++i) {
if (moves[i].quality == maxQuality) {
bestMoves.push_back(moves[i]);
}
}
if (bestMoves.size() > 0) {
Move chosenMove = bestMoves[Random::positiveInteger(bestMoves.size())];
makeMove(chosenMove.xPos, chosenMove.yPos, player);
}
}
int do_eco(const string &eco_line)
{
ColorType side = White;
Board board;
int movecount = 0;
stringstream s(eco_line);
const string &str = s.str();
string::const_iterator it = str.begin();
// Follow the opening line
string token;
string code;
string name;
int first_token = 1;
while (it != str.end()) {
// skip spaces
while (isspace(*it) && it != str.end()) it++;
if (it == str.end()) break;
// extract text
string text;
int first = 1;
int quoted = 0;
while (it != str.end() && (quoted ? (*it != '"') : !isspace(*it))) {
if (first && *it == '"') {
quoted++;
it++;
first = 0;
continue;
}
text += *it++;
}
if (first_token) {
code = text;
first_token = 0;
continue;
}
else if (quoted) {
name = text;
break;
} else if (text.length() == 0) {
break;
}
// skip numbers
if (isdigit(text[0])) continue;
if (!isalpha(text[0])) return -1;
// parse the move
Move m = Notation::value(board,side,Notation::SAN_IN,text);
if (IsNull(m) ||
!legalMove(board,StartSquare(m),DestSquare(m)))
{
cerr << "Illegal or invalid move: " << text << endl;
return -1;
}
else
{
++movecount;
board.doMove(m);
}
side = OppositeColor(side);
}
if (code.length()) {
cout << '{' << '"' << code << '"' << ", ";
write_64(board.hashCode(),cout);
cout << " ,";
if (name.length())
cout << '"' << name << '"';
else
cout << '"' << '"';
cout << "},";
cout << endl;
}
return 0;
}
