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463 lines
12 KiB
463 lines
12 KiB
/*
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* Copyright (c) 1996-2002 Nicolas HADACEK (hadacek@kde.org)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "field.h"
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#include "field.moc"
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#include <math.h>
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#include <tqlayout.h>
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#include <tqtimer.h>
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#include <tqpainter.h>
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#include <tdelocale.h>
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#include <knotifyclient.h>
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#include "settings.h"
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#include "solver/solver.h"
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#include "dialogs.h"
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using namespace KGrid2D;
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const Field::ActionData Field::ACTION_DATA[Nb_Actions] = {
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{ "Reveal", "reveal", I18N_NOOP("Case revealed") },
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{ "AutoReveal", "autoreveal", I18N_NOOP("Case autorevealed") },
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{ "SetFlag", "mark", I18N_NOOP("Flag set") },
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{ "UnsetFlag", "unmark", I18N_NOOP("Flag unset") },
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{ "SetUncertain", "set_uncertain", I18N_NOOP("Question mark set") },
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{ "UnsetUncertain", "unset_uncertain", I18N_NOOP("Question mark unset") }
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};
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Field::Field(TQWidget *parent)
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: FieldFrame(parent), _state(Init), _solvingState(Regular), _level(Level::Easy)
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{}
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void Field::readSettings()
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{
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if ( inside(_cursor) ) {
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TQPainter p(this);
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drawCase(p, _cursor);
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}
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if ( Settings::magicReveal() ) emit setCheating();
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}
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TQSize Field::sizeHint() const
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{
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return TQSize(2*frameWidth() + _level.width()*Settings::caseSize(),
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2*frameWidth() + _level.height()*Settings::caseSize());
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}
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void Field::setLevel(const Level &level)
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{
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_level = level;
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reset(false);
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adjustSize();
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}
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void Field::setReplayField(const TQString &field)
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{
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setState(Replaying);
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initReplay(field);
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}
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void Field::setState(GameState state)
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{
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Q_ASSERT( state!=GameOver );
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emit gameStateChanged(state);
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_state = state;
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}
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void Field::reset(bool init)
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{
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BaseField::reset(_level.width(), _level.height(), _level.nbMines());
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if ( init || _state==Init ) setState(Init);
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else setState(Stopped);
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if (Settings::magicReveal()) emit setCheating();
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_currentAction = Settings::EnumMouseAction::None;
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_reveal = false;
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_cursor.first = _level.width()/2;
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_cursor.second = _level.height()/2;
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_advisedCoord = Coord(-1, -1);
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update();
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}
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void Field::paintEvent(TQPaintEvent *e)
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{
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TQPainter painter(this);
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drawFrame(&painter);
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if ( _state==Paused ) return;
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Coord min = fromPoint(e->rect().topLeft());
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bound(min);
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Coord max = fromPoint(e->rect().bottomRight());
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bound(max);
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for (short i=min.first; i<=max.first; i++)
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for (short j=min.second; j<=max.second; j++)
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drawCase(painter, Coord(i,j));
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}
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void Field::changeCase(const Coord &p, CaseState newState)
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{
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BaseField::changeCase(p, newState);
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TQPainter painter(this);
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drawCase(painter, p);
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if ( isActive() ) emit updateStatus( hasMine(p) );
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}
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TQPoint Field::toPoint(const Coord &p) const
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{
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TQPoint qp;
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qp.setX( p.first*Settings::caseSize() + frameWidth() );
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qp.setY( p.second*Settings::caseSize() + frameWidth() );
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return qp;
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}
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Coord Field::fromPoint(const TQPoint &qp) const
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{
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double i = (double)(qp.x() - frameWidth()) / Settings::caseSize();
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double j = (double)(qp.y() - frameWidth()) / Settings::caseSize();
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return Coord((int)floor(i), (int)floor(j));
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}
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int Field::mapMouseButton(TQMouseEvent *e) const
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{
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switch (e->button()) {
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case Qt::LeftButton: return Settings::mouseAction(Settings::EnumButton::left);
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case Qt::MidButton: return Settings::mouseAction(Settings::EnumButton::mid);
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case Qt::RightButton: return Settings::mouseAction(Settings::EnumButton::right);
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default: return Settings::EnumMouseAction::ToggleFlag;
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}
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}
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void Field::revealActions(bool press)
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{
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if ( _reveal==press ) return; // avoid flicker
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_reveal = press;
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switch (_currentAction) {
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case Reveal:
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pressCase(_cursor, press);
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break;
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case AutoReveal:
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pressClearFunction(_cursor, press);
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break;
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default:
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break;
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}
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}
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void Field::mousePressEvent(TQMouseEvent *e)
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{
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if ( !isActive() || (_currentAction!=Settings::EnumMouseAction::None) ) return;
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emit setMood(Stressed);
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_currentAction = mapMouseButton(e);
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Coord p = fromPoint(e->pos());
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if ( !inside(p) ) return;
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placeCursor(p);
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revealActions(true);
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}
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void Field::mouseReleaseEvent(TQMouseEvent *e)
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{
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if ( !isActive() ) return;
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int tmp = _currentAction;
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emit setMood(Normal);
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revealActions(false);
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int ma = mapMouseButton(e);
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_currentAction = Settings::EnumMouseAction::None;
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if ( ma!=tmp ) return;
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Coord p = fromPoint(e->pos());
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if ( !inside(p) ) return;
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placeCursor(p);
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switch (ma) {
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case Settings::EnumMouseAction::ToggleFlag: doMark(p); break;
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case Settings::EnumMouseAction::ToggleUncertainFlag: doUmark(p); break;
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case Settings::EnumMouseAction::Reveal: doReveal(p); break;
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case Settings::EnumMouseAction::AutoReveal: doAutoReveal(p); break;
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default: break;
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}
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}
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void Field::mouseMoveEvent(TQMouseEvent *e)
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{
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if ( !isActive() ) return;
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Coord p = fromPoint(e->pos());
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if ( p==_cursor ) return; // avoid flicker
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revealActions(false);
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if ( !inside(p) ) return;
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placeCursor(p);
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revealActions(true);
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}
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void Field::pressCase(const Coord &c, bool pressed)
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{
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if ( state(c)==Covered ) {
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TQPainter painter(this);
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drawCase(painter, c, pressed);
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}
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}
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void Field::pressClearFunction(const Coord &p, bool pressed)
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{
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pressCase(p, pressed);
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CoordList n = coveredNeighbours(p);
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TQPainter painter(this);
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for (CoordList::const_iterator it=n.begin(); it!=n.end(); ++it)
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drawCase(painter, *it, pressed);
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}
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void Field::keyboardAutoReveal()
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{
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_cursor_back = _cursor;
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pressClearFunction(_cursor_back, true);
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TQTimer::singleShot(50, this, TQT_SLOT(keyboardAutoRevealSlot()));
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}
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void Field::keyboardAutoRevealSlot()
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{
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pressClearFunction(_cursor_back, false);
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doAutoReveal(_cursor_back);
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}
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void Field::doAutoReveal(const Coord &c)
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{
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if ( !isActive() ) return;
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if ( state(c)!=Uncovered ) return;
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emit addAction(c, AutoReveal);
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resetAdvised();
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doAction(AutoReveal, c, Settings::magicReveal());
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}
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void Field::pause()
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{
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switch (_state) {
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case Paused: setState(Playing); break;
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case Playing: setState(Paused); break;
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default: return;
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}
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update();
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}
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void Field::moveCursor(Neighbour n)
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{
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Coord c = neighbour(_cursor, n);
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if ( inside(c) ) placeCursor(c);
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}
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void Field::moveToEdge(Neighbour n)
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{
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Coord c = toEdge(_cursor, n);
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if ( inside(c) ) placeCursor(c);
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}
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bool Field::doReveal(const Coord &c, CoordList *autorevealed,
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bool *caseUncovered)
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{
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if ( !isActive() ) return true;
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if ( state(c)!=Covered ) return true;
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if ( firstReveal() ) setState(Playing);
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CaseState state =
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doAction(Reveal, c, Settings::magicReveal(), autorevealed, caseUncovered);
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emit addAction(c, Reveal);
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return ( state!=Error );
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}
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void Field::doMark(const Coord &c)
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{
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if ( !isActive() ) return;
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ActionType action;
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CaseState oldState = state(c);
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switch (oldState) {
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case Covered: action = SetFlag; break;
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case Marked: action = (Settings::uncertainMark() ? SetUncertain : UnsetFlag); break;
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case Uncertain: action = UnsetUncertain; break;
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default: return;
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}
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CaseState newState = doAction(action, c, Settings::magicReveal());
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addMarkAction(c, newState, oldState);
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}
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void Field::doUmark(const Coord &c)
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{
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if ( !isActive() ) return;
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ActionType action;
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CaseState oldState = state(c);
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switch (oldState) {
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case Covered:
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case Marked: action = SetUncertain; break;
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case Uncertain: action = UnsetUncertain; break;
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default: return;
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}
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CaseState newState = doAction(action, c, Settings::magicReveal());
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addMarkAction(c, newState, oldState);
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}
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KMines::CaseState Field::doAction(ActionType type, const Coord &c,
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bool complete, CoordList *autorevealed,
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bool *caseUncovered)
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{
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resetAdvised();
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CaseState state = Error;
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if ( _solvingState==Solved ) complete = false;
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KNotifyClient::event(winId(), ACTION_DATA[type].event,
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i18n(ACTION_DATA[type].eventMessage));
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switch (type) {
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case Reveal:
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if ( !reveal(c, autorevealed, caseUncovered) )
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emit gameStateChanged(GameOver);
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else {
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state = Uncovered;
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if (complete) completeReveal();
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}
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break;
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case AutoReveal:
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if ( !autoReveal(c, caseUncovered) )
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emit gameStateChanged(GameOver);
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else {
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state = Uncovered;
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if (complete) completeReveal();
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}
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break;
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case SetFlag:
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state = Marked;
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if (complete) completeReveal();
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break;
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case UnsetFlag:
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case UnsetUncertain:
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state = Covered;
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break;
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case SetUncertain:
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state = Uncertain;
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break;
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case Nb_Actions:
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Q_ASSERT(false);
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break;
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}
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if ( state!=Error ) changeCase(c, state);
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return state;
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}
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void Field::addMarkAction(const Coord &c, CaseState newS, CaseState oldS)
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{
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switch (newS) {
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case Marked: emit addAction(c, SetFlag); return;
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case Uncertain: emit addAction(c, SetUncertain); return;
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default: break;
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}
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switch (oldS) {
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case Marked: emit addAction(c, UnsetFlag); return;
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case Uncertain: emit addAction(c, UnsetUncertain); return;
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default: break;
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}
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}
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void Field::placeCursor(const Coord &p)
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{
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if ( !isActive() ) return;
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Q_ASSERT( inside(p) );
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Coord old = _cursor;
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_cursor = p;
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if ( Settings::keyboardGame() ) {
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TQPainter painter(this);
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drawCase(painter, old);
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drawCase(painter, _cursor);
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}
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}
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void Field::resetAdvised()
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{
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if ( !inside(_advisedCoord) ) return;
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TQPainter p(this);
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Coord tmp = _advisedCoord;
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_advisedCoord = Coord(-1, -1);
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drawCase(p, tmp);
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}
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void Field::setAdvised(const Coord &c, double proba)
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{
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resetAdvised();
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_solvingState = Advised;
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_advisedCoord = c;
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_advisedProba = proba;
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if ( inside(c) ) {
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TQPainter p(this);
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drawCase(p, c);
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}
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}
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void Field::drawCase(TQPainter &painter, const Coord &c, bool pressed) const
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{
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Q_ASSERT( inside(c) );
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TQString text;
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uint nbMines = 0;
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PixmapType type = NoPixmap;
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switch ( state(c) ) {
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case Covered:
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break;
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case Marked:
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type = FlagPixmap;
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pressed = false;
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break;
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case Error:
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type = ErrorPixmap;
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pressed = true;
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break;
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case Uncertain:
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text = '?';
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pressed = false;
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break;
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case Exploded:
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type = ExplodedPixmap;
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pressed = true;
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break;
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case Uncovered:
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pressed = true;
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if ( hasMine(c) ) type = MinePixmap;
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else {
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nbMines = nbMinesAround(c);
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if (nbMines) text.setNum(nbMines);
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}
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}
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int i = -1;
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if ( c==_advisedCoord ) {
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if ( _advisedProba==1 ) i = 0;
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else if ( _advisedProba>0.75 ) i = 1;
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else if ( _advisedProba>0.5 ) i = 2;
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else if ( _advisedProba>0.25 ) i = 3;
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else i = 4;
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}
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bool hasFocus = ( Settings::keyboardGame() && (c==_cursor) );
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drawBox(painter, toPoint(c), pressed, type, text, nbMines, i, hasFocus);
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}
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