1 /**************************************************************************
2 Ghosts Overboard - a game for 'Meego 1.2 Harmattan'
4 Copyright (C) 2011 Heli Hyvättinen
6 This file is part of Ghosts Overboard
8 Ghosts Overboard is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 **************************************************************************/
26 #include <QGraphicsPixmapItem>
28 #include <QMessageBox>
30 #include <QApplication>
32 #include <QPushButton>
34 #include <QVBoxLayout>
38 const QString ghostImageFilename_ = ":/pix/aave.png";
39 const QString rockImageFilename_ =":/pix/kari.png";
40 const QString octopusImageFilename_= ":/pix/tursas.png";
43 SeaScene::SeaScene(QObject *parent) :
44 QGraphicsScene(parent)
47 setItemPointersNull();
50 screenLitKeeper_.keepScreenLit(true);
54 QPixmap waves (":/pix/meri.png");
56 setBackgroundBrush(QBrush(waves));
60 qsrand(QTime::currentTime().msec()+2); //+2 to avoid setting it to 1
64 //Setup the level list
66 QList<Level> levelList;
68 levelList.append(level1);
69 Level level2(5,10,2,50);
70 levelList.append(level2);
71 Level level3(5,15,2,50);
72 levelList.append(level3);
73 Level level4(5,15,4,50);
74 levelList.append(level4);
75 Level level5(5,15,5,100);
76 levelList.append(level5);
78 Levelset set ("Original",levelList);
80 availableLevelsets_.append(set);
86 //Create another set of levels and place it in the available levelsets list
88 Level set2level1(8,15,4,50);
89 levelList.append(set2level1);
90 Level set2level2(8,20,4,50);
91 levelList.append(set2level2);
92 Level set2level3(8,15,5,100);
93 levelList.append(set2level3);
94 Level set2level4(8,20,6,100);
95 levelList.append(set2level4);
96 Level set2level5(8,20,6,150);
97 levelList.append(set2level5);
99 Levelset set2("Difficult",levelList);
100 availableLevelsets_.append(set2);
103 //This ensures that nextlevel will not be called until its safe to delete the Ship object.
104 //Leaving out Qt::QueuedConnection or calling nextlevel directly instead of emitting the signal will CRASH
105 connect(this,SIGNAL(allGhostsPicked()),this,SLOT(nextLevel()),Qt::QueuedConnection);
108 pVibrateAction_ = new QAction(tr("Vibration effects"),this);
109 pVibrateAction_->setCheckable(true);
110 connect(pVibrateAction_,SIGNAL(toggled(bool)),this,SLOT(vibrationActivate(bool)));
112 pVibrateAction_->setChecked(settings.value("vibration",false).toBool());
115 pPauseAction_ = new QAction(tr("Pause"),this);
116 pPauseAction_->setCheckable(true);
117 connect(pPauseAction_,SIGNAL(toggled(bool)),this,SLOT(pause(bool)));
120 autopauseTimer.setSingleShot(true);
121 autopauseTimer.setInterval(15*60*1000);
122 connect(&autopauseTimer,SIGNAL(timeout()),this,SLOT(turnPauseOn()));
127 void SeaScene::setupMap(int ghosts, int rocks, int octopuses, int octopusSpeed)
133 setItemPointersNull();
137 createAboutBoxItems();
139 createSelectLevelsetFromListItems();
141 createVictoryItems();
143 createLevelCompletedItems();
146 //empty the list of moving items
148 movingItems_.clear();
150 //empty the list of free slots
153 //fill the list of free slots
155 int numberOfXTiles = width() / 40;
156 int numberOfYTiles = height() /40;
158 // qDebug() << numberOfXTiles << " slots in x direction";
159 // qDebug() << numberOfYTiles << " slots in y rirection";
161 for (int i = 0; i < numberOfXTiles; i++ )
163 for (int j = 0; j < numberOfYTiles; j++)
165 freeTiles_.append(QPointF(i*40,j*40));
172 for (int i = 0; i < rocks; i++)
174 QPointF * pPosition = findRandomFreeSlot();
176 //If there was no room no point to continue
177 if (pPosition == NULL)
180 QPixmap rockPixmap (":/pix/kari.png");
181 QGraphicsPixmapItem * pRock = addPixmap(rockPixmap);
182 pRock->setData(0,"rock");
183 pRock->setPos(*pPosition);
190 ghostsLeft_ = ghosts;
191 spreadGhosts(ghosts);
195 //spread the octopuses
197 QList <Octopus*> octopusList;
199 for (int i=0; i < octopuses; i++)
201 QPointF * pPosition = findRandomFreeSlot();
203 //If there was no room no point to continue
204 if (pPosition == NULL)
207 QPixmap octopusPixmap (":/pix/tursas.png");
208 Octopus * pOctopus = new Octopus(octopusPixmap,octopusSpeed);
209 pOctopus->setData(0,"octopus");
210 pOctopus->setPos(*pPosition);
212 pOctopus->startMoving();
213 movingItems_.append(pOctopus);
214 connect(this,SIGNAL(pauseOn()),pOctopus,SLOT(stopMoving()));
215 connect(this,SIGNAL(pauseOff()),pOctopus,SLOT(startMoving()));
216 octopusList.append(pOctopus);
224 QPointF * pPosition = findRandomFreeSlot();
225 if (pPosition == NULL)
227 // Game cannot begin without a free position for ship, so give an error message and return
229 QMessageBox::critical(NULL,"Error! Too many objects on screen","No free space to place the ship. The game cannot start. Please choose another level.");
233 QList<QPixmap> shipImages;
234 shipImages.append(QPixmap(":/pix/laiva.png"));
235 shipImages.append(QPixmap(":/pix/laiva_1aave.png"));
236 shipImages.append(QPixmap(":/pix/laiva_2aave.png"));
237 shipImages.append(QPixmap(":/pix/laiva_3aave.png"));
238 shipImages.append(QPixmap(":/pix/laiva_4aave.png"));
239 shipImages.append(QPixmap(":/pix/laiva_5aave.png"));
240 shipImages.append(QPixmap(":/pix/laiva_6aave.png"));
241 shipImages.append(QPixmap(":/pix/laiva_7aave.png"));
242 shipImages.append(QPixmap(":/pix/laiva_8aave.png"));
243 shipImages.append(QPixmap(":/pix/laiva_9aave.png"));
244 shipImages.append(QPixmap(":/pix/laiva_10aave.png"));
246 Ship * pShip = new Ship (shipImages);
247 pShip->setData(0,"ship");
248 pShip->setPos(*pPosition);
250 connect(pShip,SIGNAL(pickingGhost(QGraphicsItem*)),this, SLOT(removeGhost(QGraphicsItem*)) );
251 connect(pShip,SIGNAL(droppingGhosts(int)),this,SLOT(ghostsDropped(int)));
252 connect(this,SIGNAL(vibrationActivated(bool)),pShip,SLOT(setVibrationActivate(bool)));
253 pShip->startMoving();
254 movingItems_.append(pShip);
255 connect(this,SIGNAL(pauseOn()),pShip,SLOT(stopMoving()));
256 connect(this,SIGNAL(pauseOff()),pShip,SLOT(startMoving()));
257 foreach (Octopus* pOctopus, octopusList)
259 connect(pOctopus,SIGNAL(droppingGhosts()),pShip,SLOT(dropAllGhosts()));
264 void SeaScene::setupMap(Level level)
266 setupMap(level.getNumberOfGhosts(),level.getNumberOfRocks(),level.getNumberOfOctopuses(),level.getOctopusSpeed());
269 void SeaScene::spreadGhosts(int ghosts)
273 //the octopuses and the ship may have moved from their original positions,
274 //so the list of free slots must be adjusted to exclude their current positions
276 QList<QPointF> temporarilyReservedSlots;
278 foreach (QGraphicsItem* pItem, movingItems_)
282 // qDebug() << "NULL item in movingItems_";
286 //round x and y down to fit the slot size
296 QPointF position (x,y);
298 //remove the tiles (potentially) occupied by the item from free slots and place in temp list if was in the list before
300 if (freeTiles_.removeOne(position))
301 temporarilyReservedSlots.append(position);
306 if (freeTiles_.removeOne(position))
307 temporarilyReservedSlots.append(position);
311 if (freeTiles_.removeOne(position))
312 temporarilyReservedSlots.append(position);
316 if (freeTiles_.removeOne(position))
317 temporarilyReservedSlots.append(position);
322 //spread ghosts in random free slots
324 for (int i=0; i < ghosts; i++)
326 QPointF * pPosition = findRandomFreeSlot();
328 //If there was no room no point to continue
329 if (pPosition == NULL)
332 QPixmap ghostPixmap(":/pix/aave.png");
333 QGraphicsPixmapItem * pGhost = addPixmap(ghostPixmap);
334 pGhost->setData(0,"ghost");
335 pGhost->setPos(*pPosition);
339 //return the slots occupied by moving items to free slots
340 freeTiles_.append(temporarilyReservedSlots);
342 //clear temp for the next round
343 temporarilyReservedSlots.clear();
346 QPointF* SeaScene::findRandomFreeSlot()
348 if (freeTiles_.isEmpty())
351 int index = qrand()%freeTiles_.size();
353 // qDebug() << index << " index";
354 return new QPointF (freeTiles_.takeAt(index));
358 void SeaScene::removeGhost(QGraphicsItem *pGhost)
360 removeItem(pGhost); //remove the item from scene
361 freeTiles_.append(pGhost->scenePos()); //add the item's position to free slots
364 if (ghostsLeft_ == 0)
366 emit allGhostsPicked();
367 // qDebug() << "All ghosts picked!";
371 void SeaScene::ghostsDropped(int ghosts)
373 ghostsLeft_ += ghosts;
375 spreadGhosts(ghosts);
378 void SeaScene::pause(bool paused)
380 // qDebug() << "pause pressed " << paused;
381 if (paused_ == paused)
388 // qDebug() << "starting to move again";
389 // emit fullscreenRequested(); fremantle specific (since no "show statusbar" action in harmattan version)
391 screenLitKeeper_.keepScreenLit(true);
393 pPausetextItem_->hide();
395 scoreCounter_.start();
397 autopauseTimer.start(); //Start counting towards autopause
402 // qDebug("about to stop movement");
404 screenLitKeeper_.keepScreenLit(false);
405 if (pPausetextItem_ != NULL)
407 // qDebug() << "about to show the pause text";
408 pPausetextItem_->show();
409 // qDebug() << "showing pause text";
411 // else qDebug() << "No pause text available";
413 levelScore_ += scoreCounter_.elapsed();
415 autopauseTimer.stop(); //No need to count toward autopause when already paused
419 void SeaScene::vibrationActivate(bool on)
421 emit vibrationActivated(on);
424 void SeaScene::handleScreenTapped()
427 //If the game is going just pause it
430 pPauseAction_->setChecked(true);
434 //If the game is paused and about box is shown, close it and show the pause text and menu again
438 if(pAboutBoxItem_->isVisible())
440 pAboutBoxItem_->hide();
441 pPausetextItem_->show();
446 //If the game is paused, check if the level completed item is shown
448 if (pLevelCompletedItem_)
450 if (pLevelCompletedItem_->isVisible())
452 pLevelCompletedItem_->hide();
453 restartLevel(); //Current level has already been set to the next one before showing the level completed item
454 pPauseAction_->setChecked(false); //unpause
459 //If the game is paused, check if the victory item is being shown
460 if(pVictoryCongratulationsItem_)
462 if (pVictoryCongratulationsItem_->isVisibleTo(NULL)) //returns visibility to scene
464 pVictoryCongratulationsItem_->hide();
466 pPauseAction_->setChecked(false); // unpause
472 //If the game is paused and no victory or about box, check if menu item was selected
474 QList<QGraphicsItem *> items = selectedItems();
476 //if nothing selected resume play
480 pPauseAction_->setChecked(false);
485 //If something was selected check if it was one of the menu items and act on it
486 //(Nothing else should be made selectable anyway)
490 QGraphicsItem* pItem = items.at(0); //Selecting an item brings here, thus only selecting one item should be possible
491 //... so we can just take the first one
493 //Selection is just used to get notice of a menu item being clicked, removed after use
498 //Act upon the selected item
501 if (pItem == pRestartGameItem_)
503 // qDebug() << "game restart requested";
505 pPauseAction_->setChecked(false); //unpause game
509 else if (pItem == pRestartLevelItem_)
511 // qDebug() << "Level restart requested";
513 pPauseAction_->setChecked(false); //unpause game
517 else if (pItem == pSettingsItem_)
519 pVibrateAction_->toggle();
522 settings.setValue("vibration",pVibrateAction_->isChecked());
524 QString text = pSettingsItem_->toHtml();
525 if (pVibrateAction_->isChecked())
526 text.replace(" on"," off"); //don't remove spaces or you get vibratioff...
528 text.replace(" off"," on");
529 pSettingsItem_->setHtml(text);
532 else if (pItem == pAboutItem_)
537 else if (pItem == pQuitItem_)
542 else if (pItem == pChooseLevelsetItem_)
544 pPausetextItem_->hide();
545 pSelectLevelsetFromListItem_->show();
552 void SeaScene::createMenuItems()
556 font.setPixelSize(35);
560 pPausetextItem_ = new QGraphicsTextItem;
562 // This is for fremantle
563 // pPausetextItem_->setHtml("<font size = \"5\" color = darkorange> Game paused. Tap to continue.");
565 //Harmattan needs bigger font
566 pPausetextItem_->setHtml("<font size = \"7\" color = darkorange> Game paused. Tap to continue.");
569 pPausetextItem_->setZValue(1000);
570 pPausetextItem_->setPos(200,50);
571 addItem(pPausetextItem_);
572 pPausetextItem_->hide();
576 // This is for fremantle
577 // QString menufonthtml = "<font size = \"4\" color = darkorange>";
580 //Harmattan needs bigger font
581 QString menufonthtml = "<font size = \"6\" color = darkorange>";
584 pRestartGameItem_ = new QGraphicsTextItem;
585 pRestartGameItem_->setHtml(tr("Restart <br> game").prepend(menufonthtml));
586 prepareForMenu(pRestartGameItem_);
588 pRestartLevelItem_ = new QGraphicsTextItem;
589 pRestartLevelItem_->setHtml(tr("Restart <br> level").prepend(menufonthtml));
590 prepareForMenu(pRestartLevelItem_);
592 pChooseLevelsetItem_ = new QGraphicsTextItem;
593 pChooseLevelsetItem_->setHtml(tr("Choose <br> levelset").prepend(menufonthtml));
594 prepareForMenu(pChooseLevelsetItem_);
596 pSettingsItem_ = new QGraphicsTextItem;
597 QString vibraText(tr("Turn vibration <br> effects "));
599 if (pVibrateAction_->isChecked())
607 vibraText.append(statusText);
608 pSettingsItem_->setHtml(vibraText.prepend(menufonthtml));
609 prepareForMenu(pSettingsItem_);
611 pAboutItem_ = new QGraphicsTextItem;
612 pAboutItem_->setHtml(tr("About <br> game").prepend(menufonthtml));
613 prepareForMenu(pAboutItem_);
615 pQuitItem_ = new QGraphicsTextItem;
616 pQuitItem_->setHtml(tr("Quit <br> game").prepend(menufonthtml));
617 prepareForMenu(pQuitItem_);
621 void SeaScene::prepareForMenu(QGraphicsItem * pItem)
624 //Menu items have pause text item as their parent and are thus added to scene automatically
625 //They are also shown and hidden with it, resulting in the menu being visble when the game is paused
626 //Their coordinates are given relative to the parent.
629 pItem->setParentItem(pPausetextItem_);
630 pItem->setZValue(1000);
631 pItem->setFlag(QGraphicsItem::ItemIsSelectable);
633 pItem->setX(menuItemCount_++*160-150);
637 void SeaScene::about()
639 pPausetextItem_->hide();
640 pAboutBoxItem_->show();
644 void SeaScene::restartLevel()
649 setupMap(levelset_.getLevel(currentLevel_)); //getLevel() returns default constructor Level if index is invalid, so no risk of crash
651 scoreCounter_.start();
653 vibrationActivate(pVibrateAction_->isChecked()); //Vibration effects are lost without this
654 // qDebug() << pVibrateAction_->isChecked();
655 autopauseTimer.start(); //reset counting towards autopause
662 void SeaScene::nextLevel()
665 //get score for previous level
666 levelScore_ += scoreCounter_.elapsed();
667 totalScore_ += levelScore_;
668 int highscore = levelset_.getLevelHighScore(currentLevel_);
670 qDebug() << highscore;
674 if (levelScore_ >= highscore)
676 scoretext = tr("<font size=\"7\" color = darkorange>Your time: %1.%2 s<br>Best time: %3.%4 s").arg(levelScore_/1000).arg((levelScore_%1000)/100).arg(highscore/1000).arg((highscore%1000)/100);
679 else //New high score!
682 scoretext = tr("<font size=\"7\" color = darkorange>Your time %1.%2 s is<br>the new best time!").arg(levelScore_/1000).arg((levelScore_%1000)/100);
683 levelset_.setLevelHighScore(currentLevel_,levelScore_);
686 //pause to show the highscore or victory screen
689 pPausetextItem_->hide();
692 //Go to the next level if available
695 if ( currentLevel_ < levelset_.numberOfLevels() )
698 pLevelCompletedItem_->setHtml(scoretext);
699 pLevelCompletedItem_->show();
705 int totalHighsore = levelset_.getTotalHighScore();
706 if (totalScore_ >= totalHighsore)
708 scoretext.append(tr("<br>Your total time: %1.%2 s<br>Best total time: %3.%4 s").arg(totalScore_/1000).arg((totalScore_%1000)/100).arg(totalHighsore/1000).arg((totalHighsore%1000)/100));
710 else //new total high score
712 scoretext.append(tr("<br>Your total time %1.%2 s is<br>the new best time").arg(totalScore_/1000).arg((totalScore_%1000)/100));
713 levelset_.setTotalHighScore(totalScore_);
716 pVictoryScoreItem_->setHtml(scoretext);
717 pVictoryCongratulationsItem_->show();
722 void SeaScene::restartGame()
730 void SeaScene::forcePause()
732 //Pause without setting the pause action state
736 void SeaScene::softContinue()
738 //Continue if not being paused by the user
739 // Reverts forcePause()
741 pause(pPauseAction_->isChecked());
745 void SeaScene::createVictoryItems()
747 pVictoryCongratulationsItem_ = new QGraphicsTextItem;
748 pVictoryCongratulationsItem_->setHtml("<font size=\"7\" color = darkorange> <b> Victory!");
749 pVictoryCongratulationsItem_->hide();
750 pVictoryCongratulationsItem_->setPos(315,30);
751 pVictoryCongratulationsItem_->setZValue(1000);
752 addItem(pVictoryCongratulationsItem_);
755 //coordinates are relative to the parent
757 QGraphicsTextItem * pTextItem = new QGraphicsTextItem(pVictoryCongratulationsItem_);
758 pTextItem->setHtml("<font size=\"7\" color = darkorange> Congratulations!");
759 pTextItem->setPos(-50,80);
760 pTextItem->setZValue(1000);
762 QGraphicsTextItem * pMiddleTextItem = new QGraphicsTextItem(pVictoryCongratulationsItem_);
763 pMiddleTextItem->setHtml("<font size=\"7\" color = darkorange> You have saved all the ghosts.");
764 pMiddleTextItem->setPos(-145,120);
765 pMiddleTextItem->setZValue(1000);
768 pVictoryScoreItem_ = new QGraphicsTextItem(pVictoryCongratulationsItem_);
769 pVictoryScoreItem_->setPos(-50,180);
770 pMiddleTextItem->setZValue(1000);
771 //Text is set at usetime!
773 QGraphicsTextItem * pLowestTextItem = new QGraphicsTextItem(pVictoryCongratulationsItem_);
774 pLowestTextItem->setHtml("<font size=\"7\" color = darkorange> Tap to play again");
775 pLowestTextItem->setPos(-50,360);
776 pLowestTextItem->setZValue(1000);
780 void SeaScene::createAboutBoxItems()
782 pAboutBoxItem_ = new QGraphicsTextItem;
783 addItem(pAboutBoxItem_);
784 pAboutBoxItem_->setPos(25,50);
785 pAboutBoxItem_->setZValue(1000);
786 pAboutBoxItem_->hide();
788 pAboutBoxItem_->setHtml(tr("<font color = darkorange size = \"7\">"
789 "%1 <br> <font size = \"7\"> Version %2"
790 "<p><font size = \"6\"> Copyright 2011 Heli Hyvättinen"
791 "<p><font size = \"6\"> License: General Public License v2"
792 "<p><font size = \"5\"> Web: http://ghostsoverboard.garage.maemo.org/<br>"
793 "Bug Reports: <br> https://bugs.maemo.org/"
794 "enter_bug.cgi?product=Ghosts%20Overboard"
795 ).arg(QApplication::applicationName(),QApplication::applicationVersion()));
799 void SeaScene::setItemPointersNull()
801 pPausetextItem_ = NULL;
802 pRestartLevelItem_ = NULL;
803 pRestartGameItem_ = NULL;
804 pSettingsItem_ = NULL;
807 // pMinimizeItem_ = NULL; //Fremantle spesific
808 pChooseLevelsetItem_ = NULL;
810 pAboutBoxItem_ = NULL;
811 pLevelCompletedItem_ = NULL;
812 pVictoryCongratulationsItem_ = NULL;
813 pVictoryScoreItem_ = NULL;
817 void SeaScene::turnPauseOn()
819 pPauseAction_->setChecked(true);
824 void SeaScene::createLevelCompletedItems()
826 pLevelCompletedItem_ = new QGraphicsTextItem;
827 addItem(pLevelCompletedItem_);
828 pLevelCompletedItem_->setPos(240,100);
829 pLevelCompletedItem_->setZValue(1000);
830 pLevelCompletedItem_->hide();
831 //The text is set at usetime
833 QGraphicsTextItem * pTapForNextLevelItem = new QGraphicsTextItem(pLevelCompletedItem_);
834 pTapForNextLevelItem->setPos(-60,100);
835 pTapForNextLevelItem->setZValue(1000);
836 pTapForNextLevelItem->setHtml("<font size=\"7\" color = darkorange>Tap to start the next level");
839 void SeaScene::createSelectLevelsetFromListItems()
841 pSelectLevelsetFromListItem_ = new QGraphicsTextItem;
842 addItem(pSelectLevelsetFromListItem_);
843 pSelectLevelsetFromListItem_->setPos(40,80);
844 pSelectLevelsetFromListItem_->setZValue(1000);
845 pSelectLevelsetFromListItem_->hide();
847 QString list ("<font color = darkorange size = \"7\">");
849 foreach (Levelset set, availableLevelsets_)
851 list.append(set.getName());
855 pSelectLevelsetFromListItem_->setHtml(list);