ChessPlayer* EngineBuilder::create(QObject* receiver,
const char* method,
QObject* parent) const
{
QString path(QDir::currentPath());
EngineProcess* process = new EngineProcess();
QString workDir = m_config.workingDirectory();
QString cmd = m_config.command();
if (workDir.isEmpty())
{
process->setWorkingDirectory(QDir::tempPath());
QFileInfo cmdInfo(cmd);
if (cmdInfo.isFile())
cmd = cmdInfo.absoluteFilePath();
}
else
{
// Make sure the path to the executable is resolved
// in the engine's working directory
if (!QDir::setCurrent(workDir))
{
qWarning() << "Invalid working directory:" << workDir;
delete process;
return 0;
}
process->setWorkingDirectory(QDir::currentPath());
}
if (!m_config.arguments().isEmpty())
process->start(cmd, m_config.arguments());
else
process->start(cmd);
bool ok = process->waitForStarted();
if (!workDir.isEmpty())
QDir::setCurrent(path);
if (!ok)
{
qWarning() << "Cannot start engine" << m_config.command();
delete process;
return 0;
}
ChessEngine* engine = EngineFactory::create(m_config.protocol());
Q_ASSERT(engine != 0);
engine->setParent(parent);
if (receiver != 0 && method != 0)
QObject::connect(engine, SIGNAL(debugMessage(QString)),
receiver, method);
engine->setDevice(process);
engine->applyConfiguration(m_config);
engine->start();
return engine;
}
ChessPlayer* EngineBuilder::create(QObject* receiver,
const char* method,
QObject* parent,
QString* error) const
{
QString workDir = m_config.workingDirectory();
QString cmd = m_config.command().trimmed();
QString stderrFile = m_config.stderrFile();
if (cmd.isEmpty())
{
setError(error, tr("Empty engine command"));
return nullptr;
}
if (!EngineFactory::protocols().contains(m_config.protocol()))
{
setError(error, tr("Unknown chess protocol: %1")
.arg(m_config.protocol()));
return nullptr;
}
EngineProcess* process = new EngineProcess();
if (workDir.isEmpty())
{
process->setWorkingDirectory(QDir::tempPath());
QFileInfo cmdInfo(cmd);
if (cmdInfo.isFile())
cmd = cmdInfo.absoluteFilePath();
}
else
process->setWorkingDirectory(workDir);
if (!stderrFile.isEmpty())
process->setStandardErrorFile(stderrFile, QIODevice::Append);
if (!m_config.arguments().isEmpty())
process->start(cmd, m_config.arguments());
else
process->start(cmd);
bool ok = process->waitForStarted();
if (!ok)
{
setError(error, tr("Cannot execute command: %1")
.arg(m_config.command()));
delete process;
return nullptr;
}
ChessEngine* engine = EngineFactory::create(m_config.protocol());
Q_ASSERT(engine != nullptr);
engine->setParent(parent);
if (receiver != nullptr && method != nullptr)
QObject::connect(engine, SIGNAL(debugMessage(QString)),
receiver, method);
engine->setDevice(process);
engine->applyConfiguration(m_config);
engine->start();
return engine;
}
int main2() {
char res[50];
board b;
Evaluator e;
ChessEngine ce;
int xforce=1;
int engineplay = 0;
bitmove m;
for (;;) {
if (!xforce && ((b.moveof == white && engineplay == PLAYWHITE)
|| (b.moveof == black && engineplay == PLAYBLACK))) {
ce.think(&b, m);
b.domove(m);
cout << "move " << m << endl;
}
cin.getline(res, 500);
if (!strcmp(res, "q") || !strcmp(res, "quit"))
break;
else if (!strcmp(res, "xboard")) {
// started by WinBoard
}else if (!strncmp(res, "protover", 8)) {
cout << "feature myname=\""
<< ENGINEFULLNAME<<"\" time=0 reuse=0 analyze=0 done=1\n";
cout.flush();
} else if (!strcmp(res, "random")) {
// ignore random command
} else if (!strncmp(res, "level", 5)) {
//Set time controls. need to parse.
} else if (!strcmp(res, "hard")) {
//Turn on pondering (thinking on the opponent's time,
//also known as "permanent brain").
} else if (!strncmp(res, "time", 4)) {
//Set a clock that always belongs to the engine.
} else if (!strncmp(res, "otim", 4)) {
//Set a clock that always belongs to the opponent.
} else if (!strcmp(res, "post")) {
//Turn on thinking/pondering output.
} else if (!strcmp(res, "black")) {
engineplay = PLAYBLACK;
xforce = 1;
} else if (!strcmp(res, "white")) {
engineplay = PLAYWHITE;
xforce = 1;
} else if (!strcmp(res, "force")) {
/* Set the engine to play neither color ("force mode").
* Stop clocks.
* The engine should check that moves received in force mode are
* legal and made in the proper turn, but should not think,
* ponder, or make moves of its own.
*/
engineplay = 0;
xforce = 1;
} else if (!strcmp(res, "go")) {
/*
* Leave force mode and set the engine to play the color that is on move.
* Associate the engine's clock with the color that is on move,
* the opponent's clock with the color that is not on move.
* Start the engine's clock.
* Start thinking and eventually make a move.
*/
engineplay = (b.moveof == white ? PLAYWHITE : PLAYBLACK);
xforce = 0;
} else if (!strcmp(res, "new")) {
/*
* Reset the board to the standard chess starting position.
* Set White on move.
* Leave force mode and set the engine to play Black.
*/
b.newgame();
engineplay = PLAYBLACK;
xforce = 0;
} else if (!strncmp(res, "accepted", 8)) {
// features accepted
} else if (!strcmp(res, "u") || !strcmp(res, "undo"))
b.undolastmove();
else if (!strcmp(res, "l") || !strcmp(res, "list"))
generateAndListMoves(b);
else if (!strcmp(res, "e") || !strcmp(res, "evaluate"))
cout << "Score: " << e.score(b) << endl;
else if (!strcmp(res, "t") || !strcmp(res, "think")) {
ce.think(&b, m);
b.domove(m);
} else if (m.set(res)) {
b.domove(m);
} else
cout << "Illigal move: "<<res<<endl;;
}
return 1;
}