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#include "ai.h"
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#include "ai.moc"
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#include <assert.h>
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#include <tqlabel.h>
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#include <tqhbox.h>
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#include <tqvbox.h>
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#include <tqlayout.h>
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#include <tqgrid.h>
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#include <tqwhatsthis.h>
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#include <tdelocale.h>
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#include <tdeconfig.h>
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#include <tdeapplication.h>
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#include "commonprefs.h"
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#include "board.h"
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#include "base/piece.h"
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#include "base/factory.h"
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//-----------------------------------------------------------------------------
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AIPiece::AIPiece()
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: _current(0)
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{}
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AIPiece::~AIPiece()
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{
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delete _current;
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}
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void AIPiece::init(const Piece *piece, Board *b)
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{
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_piece = piece;
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_board = b;
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if ( _current==0 ) _current = new Piece;
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reset();
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}
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void AIPiece::reset()
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{
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curPos = 0;
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curRot = 0;
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if (_piece) _current->copy(_piece);
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// else _current->generateNext(0);
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nbRot = _current->nbConfigurations() - 1;
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nbPos = _board->matrix().width() - _current->size().first + 1;
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}
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bool AIPiece::increment()
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{
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curPos++;
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if ( curPos==nbPos ) {
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if ( curRot==nbRot ) {
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// if ( _piece || _current->type()==Piece::info().nbTypes() ) {
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reset();
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return false;
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// }
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// _current->generateNext(_current->type()+1);
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// nbRot = _current->nbConfigurations() - 1;
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// curRot = 0;
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}
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_current->rotate(true, TQPoint(0, 0));
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nbPos = _board->matrix().width() - _current->size().first + 1;
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curRot++;
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curPos = 0;
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}
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return true;
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}
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bool AIPiece::place()
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{
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if ( curRot==3 ) {
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if ( !_board->rotateRight() ) return false;
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} else for (uint i=0; i<curRot; i++)
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if ( !_board->rotateLeft() ) return false;
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curDec = curPos - _board->currentPos().first - _current->min().first;
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if ( curDec!=0 && _board->moveRight(curDec)!=(uint)kAbs(curDec) )
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return false;
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_board->dropDown();
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return !_board->isGameOver();
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}
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//-----------------------------------------------------------------------------
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const AI::Data AI::LastData = { 0, 0, 0, false, 0 };
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AI::AI(uint tTime, uint oTime, const Data *DATA)
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: timer(this), thinkTime(tTime), orderTime(oTime), stopped(false),
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board(0)
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{
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connect(&timer, TQ_SIGNAL(timeout()), TQ_SLOT(timeout()));
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for (uint i=0; DATA[i].name; i++) {
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Element element;
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element.coefficient = 0.;
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element.trigger = 0;
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element.data = &DATA[i];
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_elements.append(element);
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}
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settingsChanged();
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}
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void AI::resizePieces(uint size)
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{
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uint oldSize = pieces.size();
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for (uint i=size; i<oldSize; i++) delete pieces[i];
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pieces.resize(size);
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for (uint i=oldSize; i<size; i++) pieces[i] = new AIPiece;
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}
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AI::~AI()
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{
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delete board;
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resizePieces(0);
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}
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void AI::initThink()
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{
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board->copy(*main);
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}
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void AI::launch(Board *m)
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{
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main = m;
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if ( board==0 )
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board = static_cast<Board *>(bfactory->createBoard(false, 0));
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pieces[0]->init(main->currentPiece(), board); // current
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if ( pieces.size()>=2 ) pieces[1]->init(main->nextPiece(), board); // next
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state = Thinking;
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hasBestPoints = false;
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startTimer();
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}
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void AI::stop()
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{
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timer.stop();
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stopped = true;
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}
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void AI::start()
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{
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if (stopped) {
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startTimer();
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stopped = false;
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}
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}
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void AI::startTimer()
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{
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switch (state) {
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case Thinking: timer.start(thinkTime, true); break;
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case GivingOrders: timer.start(orderTime, true); break;
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}
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}
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void AI::timeout()
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{
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switch (state) {
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case Thinking:
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if ( think() ) state = GivingOrders;
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break;
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case GivingOrders:
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if ( emitOrder() ) return;
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break;
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}
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startTimer();
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}
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bool AI::emitOrder()
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{
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if ( bestRot==3 ) {
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bestRot = 0;
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main->pRotateRight();
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} else if (bestRot) {
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bestRot--;
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main->pRotateLeft();
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} else if ( bestDec>0 ) {
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bestDec--;
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main->pMoveRight();
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} else if ( bestDec<0 ) {
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bestDec++;
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main->pMoveLeft();
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} else {
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main->pDropDownStart();
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return true;
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}
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return false;
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}
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bool AI::think()
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{
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initThink();
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bool moveOk = true;
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for (uint i=0; i<pieces.size(); i++)
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if ( !pieces[i]->place() ) {
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moveOk = false;
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break;
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}
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if (moveOk) {
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double p = points();
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if ( !hasBestPoints || p>bestPoints
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|| (p==hasBestPoints && random.getBool()) ) {
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hasBestPoints = true;
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bestPoints = p;
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bestDec = pieces[0]->dec();
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bestRot = pieces[0]->rot();
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}
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}
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for (uint i=pieces.size(); i>0; i--)
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if ( pieces[i-1]->increment() ) return false;
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return true;
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}
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double AI::points() const
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{
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double pts = 0;
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for (uint i=0; i<_elements.size(); i++) {
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if ( _elements[i].coefficient==0.0 ) continue;
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double v = _elements[i].data->function(*main, *board);
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if ( _elements[i].data->triggered && tqRound(v)<_elements[i].trigger )
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continue;
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pts += _elements[i].coefficient * v;
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}
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return pts;
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}
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void AI::settingsChanged()
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{
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int d = CommonPrefs::thinkingDepth();
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resizePieces(d);
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for (uint i=0; i<_elements.size(); i++) {
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const Data &data = *_elements[i].data;
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_elements[i].coefficient = AIConfig::coefficient(data);
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if (data.triggered) _elements[i].trigger = AIConfig::trigger(data);
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}
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if ( timer.isActive() ) launch(main);
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}
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double AI::nbOccupiedLines(const Board &, const Board ¤t)
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{
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return current.matrix().height() - current.nbClearLines();
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}
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double AI::nbHoles(const Board &, const Board ¤t)
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{
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uint nb = 0;
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for (uint i=0; i<current.matrix().width(); i++) {
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for (int j=current.firstColumnBlock(i)-1; j>=0; j--) {
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KGrid2D::Coord c(i, j);
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if ( current.matrix()[c]==0 ) nb++;
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}
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}
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return nb;
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}
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double AI::peakToPeak(const Board &, const Board ¤t)
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{
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int min = current.matrix().height()-1;
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for (uint i=0; i<current.matrix().width(); i++)
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min = kMin(min, current.firstColumnBlock(i));
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return (int)current.firstClearLine()-1 - min;
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}
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double AI::mean(const Board &, const Board ¤t)
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{
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double mean = 0;
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for (uint i=0; i<current.matrix().width(); i++)
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mean += current.firstColumnBlock(i);
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return mean / current.matrix().width();
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}
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double AI::nbSpaces(const Board &main, const Board ¤t)
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{
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double nb = 0;
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double m = mean(main, current);
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for (uint i=0; i<current.matrix().width(); i++) {
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int j = current.firstColumnBlock(i);
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if ( j<m ) nb += m - j;
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}
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return nb;
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}
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double AI::nbRemoved(const Board &main, const Board ¤t)
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{
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return current.nbRemoved() - main.nbRemoved();
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}
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//-----------------------------------------------------------------------------
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const uint AIConfig::minThinkingDepth = 1;
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const uint AIConfig::maxThinkingDepth = 2;
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AIConfig::AIConfig(const TQValueVector<AI::Element> &elements)
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: TQWidget(0, "ai config")
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{
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TQGridLayout *top = new TQGridLayout(this, 3, 2, KDialog::marginHint(),
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KDialog::spacingHint());
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TQLabel *label = new TQLabel(i18n("Thinking depth:"), this);
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top->addWidget(label, 0, 0);
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KIntNumInput *in = new KIntNumInput(this, "kcfg_ThinkingDepth");
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in->setRange(minThinkingDepth, maxThinkingDepth);
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top->addWidget(in, 0, 1);
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top->addRowSpacing(1, KDialog::spacingHint());
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TQGrid *grid = new TQGrid(2, this);
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top->addMultiCellWidget(grid, 2, 2, 0, 1);
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for (uint i=0; i<elements.size(); i++) {
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const AI::Data &data = *elements.at(i).data;
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TQLabel *label = new TQLabel(i18n(data.label), grid);
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if (data.whatsthis) TQWhatsThis::add(label, i18n(data.whatsthis));
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label->setFrameStyle(TQFrame::Panel | TQFrame::Plain);
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TQVBox *vb = new TQVBox(grid);
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if (data.whatsthis) TQWhatsThis::add(vb, i18n(data.whatsthis));
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vb->setMargin(KDialog::spacingHint());
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vb->setSpacing(KDialog::spacingHint());
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vb->setFrameStyle(TQFrame::Panel | TQFrame::Plain);
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if (data.triggered) {
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KIntNumInput *trig = new KIntNumInput(vb, triggerKey(data.name));
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trig->setRange(0, 10, 1, true);
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}
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KDoubleNumInput *coeff = new KDoubleNumInput(vb, coefficientKey(data.name));
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coeff->setRange(0.0, 1.0, 1.0, true);
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}
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}
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TQCString AIConfig::triggerKey(const char *name)
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{
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return "kcfg_Trigger_" + TQCString(name);
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}
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TQCString AIConfig::coefficientKey(const char *name)
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{
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return "kcfg_Coefficient_" + TQCString(name);
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}
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double AIConfig::coefficient(const AI::Data &data)
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{
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TDEConfigSkeletonItem *item = CommonPrefs::self()->findItem( TQString("Coefficient_%1").arg(data.name) );
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assert(item);
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return item->property().toDouble();
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}
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int AIConfig::trigger(const AI::Data &data)
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{
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TDEConfigSkeletonItem *item = CommonPrefs::self()->findItem( TQString("Trigger_%1").arg(data.name) );
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assert(item);
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return item->property().toInt();
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}
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