src/gnushogiengine.cpp

   1 /*
   2   Copyright (c) 2006 Paolo Capriotti <p.capriotti@sns.it>
   3             (c) 2006 Maurizio Monge <maurizio.monge@kdemail.net>
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9 */
  10
  11 #include "gnushogiengine.h"
  12
  13 #include <QFileInfo>
  14 #include <QRegExp>
  15 #include <iostream>
  16
  17 #include "enginenotifier.h"
  18 #include "foreach.h"
  19
  20 using namespace boost;
  21
  22 QRegExp GNUShogiEngine::m_move_pattern("[0-9]*\\. \\.\\.\\. ([^ ]*) .*");
  23
  24 GNUShogiEngine::GNUShogiEngine(const QString& path, const QStringList& arguments)
  25 : Engine(path, arguments)
  26 , m_analysing(false) {
  27   // set default features
  28   m_features.ping = false;
  29   m_features.setboard = false;
  30   m_features.playother = false;
  31   m_features.san = false;
  32   m_features.usermove = false;
  33   m_features.time = true;
  34   m_features.draw = true;
  35   m_features.sigint = true;
  36   m_features.sigterm = true;
  37   m_features.reuse = true;
  38   m_features.analyze = false;
  39   m_features.colors = true;
  40   m_features.ics = false;
  41   m_features.name = false;
  42   m_features.pause = false;
  43
  44   m_features.myname = QFileInfo(m_path).baseName();
  45
  46   connect(this, SIGNAL(receivedCommand(const QString&)),
  47           this, SLOT(processCommand(const QString&)));
  48 }
  49
  50 GNUShogiEngine::~GNUShogiEngine() {
  51   std::cout << "[debug] destroying engine" << std::endl;
  52   stop();
  53   m_engine.kill();
  54 }
  55
  56 void GNUShogiEngine::initializeEngine() {
  57   // nothing special to do
  58 }
  59
  60 void GNUShogiEngine::reset() {
  61   sendCommand("new"); // start a new game
  62   sendCommand("force"); // do not think
  63 }
  64
  65 void GNUShogiEngine::play() {
  66   sendCommand("go"); // start playing
  67 }
  68
  69 void GNUShogiEngine::stop() {
  70   sendCommand("quit");
  71   if (m_features.sigterm)
  72     m_engine.kill();
  73 }
  74
  75 void GNUShogiEngine::processCommand(const QString& command) {
  76   //QStringList arg_list = command.split(QRegExp("\\s+"));
  77   //QString cmd = arg_list.takeFirst();
  78
  79   if (m_move_pattern.indexIn(command) == 0) {
  80     if (shared_ptr<EngineNotifier> notifier = m_notifier.lock())
  81       notifier->notifyEngineMove(m_move_pattern.cap(1));
  82   }
  83 }
  84
  85 void GNUShogiEngine::sendMove(AbstractMove::Ptr move, AbstractPosition::Ptr ref) {
  86   QString move_str = move->toString(ref);
  87   sendCommand(move_str);
  88 }
  89
  90 void GNUShogiEngine::backUp(AbstractPosition::Ptr) {
  91   sendCommand("undo");
  92 }
  93
  94 void GNUShogiEngine::startAnalysis() {
  95   sendCommand("post");
  96   sendCommand("analyze");
  97   m_analysing = true;
  98 }
  99
 100 void GNUShogiEngine::stopAnalysis() {
 101   sendCommand("exit");
 102   m_analysing = false;
 103 }
 104
 105 void GNUShogiEngine::setBoard(AbstractPosition::Ptr pos, int halfmove, int fullmove) {
 106   if (m_features.setboard) {
 107     sendCommand(QString("setboard %1").arg(pos->fen(halfmove, fullmove)));
 108   }
 109   else {
 110   // this is pretty meaningless for generic variants
 111   #if 0
 112     if (pos->turn() != 0) {
 113       sendCommand("new");
 114       sendCommand("a2a3");
 115     }
 116
 117     sendCommand("edit");
 118     sendCommand("#");
 119     Point size = pos->size();
 120     for (int i = 0; i < size.x; i++) {
 121       for (int j = 0; j < size.y; j++) {
 122         Point p(i, j);
 123         AbstractPiece::Ptr piece = pos->get(p);
 124         if (piece) sendCommand(QString("%1%2")
 125                       .arg(piece->type())
 126                       .arg(p.toString(8)));
 127       }
 128     }
 129     sendCommand(".");
 130   #endif
 131   }
 132 }
 133