1 /**************************************************************************
2 Ghosts Overboard - a game for Maemo 5
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);
104 connect(this,SIGNAL(allGhostsPicked()),this,SLOT(nextLevel()));
107 pVibrateAction_ = new QAction(tr("Vibration effects"),this);
108 pVibrateAction_->setCheckable(true);
109 connect(pVibrateAction_,SIGNAL(toggled(bool)),this,SLOT(vibrationActivate(bool)));
111 pVibrateAction_->setChecked(settings.value("vibration",false).toBool());
114 pPauseAction_ = new QAction(tr("Pause"),this);
115 pPauseAction_->setCheckable(true);
116 connect(pPauseAction_,SIGNAL(toggled(bool)),this,SLOT(pause(bool)));
119 deviceLockPollTimer_.setInterval(20*60);
120 connect(&deviceLockPollTimer_,SIGNAL(timeout()),this,SLOT(pollDeviceLocked()));
121 deviceLockPollTimer_.start();
124 autopauseTimer.setSingleShot(true);
125 autopauseTimer.setInterval(15*60*1000);
126 connect(&autopauseTimer,SIGNAL(timeout()),this,SLOT(turnPauseOn()));
131 void SeaScene::setupMap(int ghosts, int rocks, int octopuses, int octopusSpeed)
137 setItemPointersNull();
141 createAboutBoxItems();
143 createSelectLevelsetFromListItems();
145 createVictoryItems();
147 createLevelCompletedItems();
150 //empty the list of moving items
152 movingItems_.clear();
154 //empty the list of free slots
157 //fill the list of free slots
159 int numberOfXTiles = width() / 40;
160 int numberOfYTiles = height() /40;
162 // qDebug() << numberOfXTiles << " slots in x direction";
163 // qDebug() << numberOfYTiles << " slots in y rirection";
165 for (int i = 0; i < numberOfXTiles; i++ )
167 for (int j = 0; j < numberOfYTiles; j++)
169 freeTiles_.append(QPointF(i*40,j*40));
176 for (int i = 0; i < rocks; i++)
178 QPointF * pPosition = findRandomFreeSlot();
180 //If there was no room no point to continue
181 if (pPosition == NULL)
184 QPixmap rockPixmap (":/pix/kari.png");
185 QGraphicsPixmapItem * pRock = addPixmap(rockPixmap);
186 pRock->setData(0,"rock");
187 pRock->setPos(*pPosition);
194 ghostsLeft_ = ghosts;
195 spreadGhosts(ghosts);
199 //spread the octopuses
201 QList <Octopus*> octopusList;
203 for (int i=0; i < octopuses; i++)
205 QPointF * pPosition = findRandomFreeSlot();
207 //If there was no room no point to continue
208 if (pPosition == NULL)
211 QPixmap octopusPixmap (":/pix/tursas.png");
212 Octopus * pOctopus = new Octopus(octopusPixmap,octopusSpeed);
213 pOctopus->setData(0,"octopus");
214 pOctopus->setPos(*pPosition);
216 pOctopus->startMoving();
217 movingItems_.append(pOctopus);
218 connect(this,SIGNAL(pauseOn()),pOctopus,SLOT(stopMoving()));
219 connect(this,SIGNAL(pauseOff()),pOctopus,SLOT(startMoving()));
220 octopusList.append(pOctopus);
228 QPointF * pPosition = findRandomFreeSlot();
229 if (pPosition == NULL)
231 // Game cannot begin without a free position for ship, so give an error message and return
233 QMessageBox::critical(NULL,"Error! Too many objects on screen","No free space to place the ship. The game cannot start. Please choose another level.");
237 QList<QPixmap> shipImages;
238 shipImages.append(QPixmap(":/pix/laiva.png"));
239 shipImages.append(QPixmap(":/pix/laiva_1aave.png"));
240 shipImages.append(QPixmap(":/pix/laiva_2aave.png"));
241 shipImages.append(QPixmap(":/pix/laiva_3aave.png"));
242 shipImages.append(QPixmap(":/pix/laiva_4aave.png"));
243 shipImages.append(QPixmap(":/pix/laiva_5aave.png"));
244 shipImages.append(QPixmap(":/pix/laiva_6aave.png"));
245 shipImages.append(QPixmap(":/pix/laiva_7aave.png"));
246 shipImages.append(QPixmap(":/pix/laiva_8aave.png"));
247 shipImages.append(QPixmap(":/pix/laiva_9aave.png"));
248 shipImages.append(QPixmap(":/pix/laiva_10aave.png"));
250 Ship * pShip = new Ship (shipImages);
251 pShip->setData(0,"ship");
252 pShip->setPos(*pPosition);
254 connect(pShip,SIGNAL(pickingGhost(QGraphicsItem*)),this, SLOT(removeGhost(QGraphicsItem*)) );
255 connect(pShip,SIGNAL(droppingGhosts(int)),this,SLOT(ghostsDropped(int)));
256 connect(this,SIGNAL(vibrationActivated(bool)),pShip,SLOT(setVibrationActivate(bool)));
257 pShip->startMoving();
258 movingItems_.append(pShip);
259 connect(this,SIGNAL(pauseOn()),pShip,SLOT(stopMoving()));
260 connect(this,SIGNAL(pauseOff()),pShip,SLOT(startMoving()));
261 foreach (Octopus* pOctopus, octopusList)
263 connect(pOctopus,SIGNAL(droppingGhosts()),pShip,SLOT(dropAllGhosts()));
268 void SeaScene::setupMap(Level level)
270 setupMap(level.getNumberOfGhosts(),level.getNumberOfRocks(),level.getNumberOfOctopuses(),level.getOctopusSpeed());
273 void SeaScene::spreadGhosts(int ghosts)
277 //the octopuses and the ship may have moved from their original positions,
278 //so the list of free slots must be adjusted to exclude their current positions
280 QList<QPointF> temporarilyReservedSlots;
282 foreach (QGraphicsItem* pItem, movingItems_)
286 // qDebug() << "NULL item in movingItems_";
290 //round x and y down to fit the slot size
300 QPointF position (x,y);
302 //remove the tiles (potentially) occupied by the item from free slots and place in temp list if was in the list before
304 if (freeTiles_.removeOne(position))
305 temporarilyReservedSlots.append(position);
310 if (freeTiles_.removeOne(position))
311 temporarilyReservedSlots.append(position);
315 if (freeTiles_.removeOne(position))
316 temporarilyReservedSlots.append(position);
320 if (freeTiles_.removeOne(position))
321 temporarilyReservedSlots.append(position);
326 //spread ghosts in random free slots
328 for (int i=0; i < ghosts; i++)
330 QPointF * pPosition = findRandomFreeSlot();
332 //If there was no room no point to continue
333 if (pPosition == NULL)
336 QPixmap ghostPixmap(":/pix/aave.png");
337 QGraphicsPixmapItem * pGhost = addPixmap(ghostPixmap);
338 pGhost->setData(0,"ghost");
339 pGhost->setPos(*pPosition);
343 //return the slots occupied by moving items to free slots
344 freeTiles_.append(temporarilyReservedSlots);
346 //clear temp for the next round
347 temporarilyReservedSlots.clear();
350 QPointF* SeaScene::findRandomFreeSlot()
352 if (freeTiles_.isEmpty())
355 int index = qrand()%freeTiles_.size();
357 // qDebug() << index << " index";
358 return new QPointF (freeTiles_.takeAt(index));
362 void SeaScene::removeGhost(QGraphicsItem *pGhost)
364 removeItem(pGhost); //remove the item from scene
365 freeTiles_.append(pGhost->scenePos()); //add the item's position to free slots
368 if (ghostsLeft_ == 0)
370 emit allGhostsPicked();
371 // qDebug() << "All ghosts picked!";
375 void SeaScene::ghostsDropped(int ghosts)
377 ghostsLeft_ += ghosts;
379 spreadGhosts(ghosts);
382 void SeaScene::pause(bool paused)
384 // qDebug() << "pause pressed " << paused;
385 if (paused_ == paused)
392 // qDebug() << "starting to move again";
393 emit fullscreenRequested();
395 screenLitKeeper_.keepScreenLit(true);
397 pPausetextItem_->hide();
399 scoreCounter_.start();
401 autopauseTimer.start(); //Start counting towards autopause
402 deviceLockPollTimer_.start(); //Start polling whether device is locked
407 // qDebug("about to stop movement");
409 screenLitKeeper_.keepScreenLit(false);
410 if (pPausetextItem_ != NULL)
412 // qDebug() << "about to show the pause text";
413 pPausetextItem_->show();
414 // qDebug() << "showing pause text";
416 // else qDebug() << "No pause text available";
418 levelScore_ += scoreCounter_.elapsed();
420 autopauseTimer.stop(); //No need to count toward autopause when already paused
421 deviceLockPollTimer_.stop(); //No need to check for unlock as no unpause anyway
425 void SeaScene::vibrationActivate(bool on)
427 emit vibrationActivated(on);
430 void SeaScene::handleScreenTapped()
433 //If the game is going just pause it
436 pPauseAction_->setChecked(true);
440 //If the game is paused and about box is shown, close it and show the pause text and menu again
444 if(pAboutBoxItem_->isVisible())
446 pAboutBoxItem_->hide();
447 pPausetextItem_->show();
452 //If the game is paused, check if the level completed item is shown
454 if (pLevelCompletedItem_)
456 if (pLevelCompletedItem_->isVisible())
458 pLevelCompletedItem_->hide();
459 restartLevel(); //Current level has already been set to the next one before showing the level completed item
460 pPauseAction_->setChecked(false); //unpause
465 //If the game is paused, check if the victory item is being shown
466 if(pVictoryCongratulationsItem_)
468 if (pVictoryCongratulationsItem_->isVisibleTo(NULL)) //returns visibility to scene
470 pVictoryCongratulationsItem_->hide();
472 pPauseAction_->setChecked(false); // unpause
478 //If the game is paused and no victory, check if menu item was selected
480 QList<QGraphicsItem *> items = selectedItems();
482 //if nothing selected resume play
486 pPauseAction_->setChecked(false);
491 //If something was selected check if it was one of the menu items and act on it
492 //(Nothing else should be made selectable anyway)
496 QGraphicsItem* pItem = items.at(0); //Selecting an item brings here, thus only selecting one item should be possible
497 //... so we can just take the first one
499 //Selection is just used to get notice of a menu item being clicked, removed after use
504 //Act upon the selected item
507 if (pItem == pRestartGameItem_)
509 // qDebug() << "game restart requested";
511 pPauseAction_->setChecked(false); //unpause game
515 else if (pItem == pRestartLevelItem_)
517 // qDebug() << "Level restart requested";
519 pPauseAction_->setChecked(false); //unpause game
523 else if (pItem == pSettingsItem_)
525 pVibrateAction_->toggle();
528 settings.setValue("vibration",pVibrateAction_->isChecked());
530 QString text = pSettingsItem_->toHtml();
531 if (pVibrateAction_->isChecked())
532 text.replace(" on"," off"); //don't remove spaces or you get vibratioff...
534 text.replace(" off"," on");
535 pSettingsItem_->setHtml(text);
538 else if (pItem == pAboutItem_)
543 else if(pItem == pMinimizeItem_)
545 emit minimizeRequested();
548 else if (pItem == pQuitItem_)
552 else if (pItem == pChooseLevelsetItem_)
554 pPausetextItem_->hide();
555 pSelectLevelsetFromListItem_->show();
562 void SeaScene::createMenuItems()
566 font.setPixelSize(35);
570 pPausetextItem_ = new QGraphicsTextItem;
571 pPausetextItem_->setHtml("<font size = \"5\" color = darkorange> Game paused. Tap to continue.");
572 pPausetextItem_->setZValue(1000);
573 pPausetextItem_->setPos(165,50);
574 addItem(pPausetextItem_);
575 pPausetextItem_->hide();
579 QString menufonthtml = "<font size = \"4\" color = darkorange>";
581 pRestartGameItem_ = new QGraphicsTextItem;
582 pRestartGameItem_->setHtml(tr("Restart <br> game").prepend(menufonthtml));
583 prepareForMenu(pRestartGameItem_);
585 pRestartLevelItem_ = new QGraphicsTextItem;
586 pRestartLevelItem_->setHtml(tr("Restart <br> level").prepend(menufonthtml));
587 prepareForMenu(pRestartLevelItem_);
589 pChooseLevelsetItem_ = new QGraphicsTextItem;
590 pChooseLevelsetItem_->setHtml(tr("Choose <br> levelset").prepend(menufonthtml));
591 prepareForMenu(pChooseLevelsetItem_);
593 pSettingsItem_ = new QGraphicsTextItem;
594 QString vibraText(tr("Turn vibration <br> effects "));
596 if (pVibrateAction_->isChecked())
604 vibraText.append(statusText);
605 pSettingsItem_->setHtml(vibraText.prepend(menufonthtml));
606 prepareForMenu(pSettingsItem_);
608 pAboutItem_ = new QGraphicsTextItem;
609 pAboutItem_->setHtml(tr("About <br> game").prepend(menufonthtml));
610 prepareForMenu(pAboutItem_);
612 pMinimizeItem_ = new QGraphicsTextItem;
613 pMinimizeItem_->setHtml(tr("Show <br> status bar").prepend(menufonthtml));
614 prepareForMenu(pMinimizeItem_);
616 pQuitItem_ = new QGraphicsTextItem;
617 pQuitItem_->setHtml(tr("Quit <br> game").prepend(menufonthtml));
618 prepareForMenu(pQuitItem_);
622 void SeaScene::prepareForMenu(QGraphicsItem * pItem)
625 //Menu items have pause text item as their parent and are thus added to scene automatically
626 //They are also shown and hidden with it, resulting in the menu being visble when the game is paused
627 //Their coordinates are given relative to the parent.
634 pItem->setParentItem(pPausetextItem_);
635 pItem->setZValue(1000);
636 pItem->setFlag(QGraphicsItem::ItemIsSelectable);
638 int row = menuItemCount_/(itemsPerRow);
639 pItem->setY(150+row*120);
640 pItem->setX(((menuItemCount_%(itemsPerRow))*180+5));
646 void SeaScene::about()
648 pPausetextItem_->hide();
649 pAboutBoxItem_->show();
653 void SeaScene::restartLevel()
658 setupMap(levelset_.getLevel(currentLevel_)); //getLevel() returns default constructor Level if index is invalid, so no risk of crash
660 scoreCounter_.start();
662 vibrationActivate(pVibrateAction_->isChecked()); //Vibration effects are lost without this
663 // qDebug() << pVibrateAction_->isChecked();
664 autopauseTimer.start(); //reset counting towards autopause
671 void SeaScene::nextLevel()
674 //get score for previous level
675 levelScore_ += scoreCounter_.elapsed();
676 totalScore_ += levelScore_;
677 int highscore = levelset_.getLevelHighScore(currentLevel_);
679 qDebug() << highscore;
683 if (levelScore_ >= highscore)
685 scoretext = tr("<font size=\"5\" 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);
688 else //New high score!
691 scoretext = tr("<font size=\"5\" color = darkorange>Your time %1.%2 s is<br>the new best time!").arg(levelScore_/1000).arg((levelScore_%1000)/100);
692 levelset_.setLevelHighScore(currentLevel_,levelScore_);
695 //pause to show the highscore or victory screen
698 pPausetextItem_->hide();
701 //Go to the next level if available
704 if ( currentLevel_ < levelset_.numberOfLevels() )
707 pLevelCompletedItem_->setHtml(scoretext);
708 pLevelCompletedItem_->show();
714 int totalHighsore = levelset_.getTotalHighScore();
715 if (totalScore_ >= totalHighsore)
717 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));
719 else //new total high score
721 scoretext.append(tr("<br>Your total time %1.%2 s is<br>the new best time").arg(totalScore_/1000).arg((totalScore_%1000)/100));
722 levelset_.setTotalHighScore(totalScore_);
725 pVictoryScoreItem_->setHtml(scoretext);
726 pVictoryCongratulationsItem_->show();
731 void SeaScene::restartGame()
739 void SeaScene::forcePause()
741 //Pause without setting the pause action state
745 void SeaScene::softContinue()
747 //Continue if not being paused by the user
748 // Reverts forcePause()
750 pause(pPauseAction_->isChecked());
754 void SeaScene::createVictoryItems()
756 pVictoryCongratulationsItem_ = new QGraphicsTextItem;
757 pVictoryCongratulationsItem_->setHtml("<font size=\"6\" color = darkorange> Victory!");
758 pVictoryCongratulationsItem_->hide();
759 pVictoryCongratulationsItem_->setPos(315,30);
760 pVictoryCongratulationsItem_->setZValue(1000);
761 addItem(pVictoryCongratulationsItem_);
764 //coordinates are relative to the parent
766 QGraphicsTextItem * pTextItem = new QGraphicsTextItem(pVictoryCongratulationsItem_);
767 pTextItem->setHtml("<font size=\"5\" color = darkorange> Congratulations!");
768 pTextItem->setPos(-50,80);
769 pTextItem->setZValue(1000);
771 QGraphicsTextItem * pMiddleTextItem = new QGraphicsTextItem(pVictoryCongratulationsItem_);
772 pMiddleTextItem->setHtml("<font size=\"5\" color = darkorange> You have saved all the ghosts.");
773 pMiddleTextItem->setPos(-145,120);
774 pMiddleTextItem->setZValue(1000);
777 pVictoryScoreItem_ = new QGraphicsTextItem(pVictoryCongratulationsItem_);
778 pVictoryScoreItem_->setPos(-50,180);
779 pMiddleTextItem->setZValue(1000);
780 //Text is set at usetime!
782 QGraphicsTextItem * pLowestTextItem = new QGraphicsTextItem(pVictoryCongratulationsItem_);
783 pLowestTextItem->setHtml("<font size=\"5\" color = darkorange> Tap to play again");
784 pLowestTextItem->setPos(-50,360);
785 pLowestTextItem->setZValue(1000);
788 void SeaScene::createAboutBoxItems()
790 pAboutBoxItem_ = new QGraphicsTextItem;
791 addItem(pAboutBoxItem_);
792 pAboutBoxItem_->setPos(25,50);
793 pAboutBoxItem_->setZValue(1000);
794 pAboutBoxItem_->hide();
796 pAboutBoxItem_->setHtml(tr("<font color = darkorange size = \"7\">"
797 "%1 <br> <font size = \"5\"> Version %2"
798 "<p><font size = \"4\"> Copyright 2011 Heli Hyvättinen"
799 "<p><font size = \"4\"> License: General Public License v2"
800 "<p><font size = \"3\"> Web: http://ghostsoverboard.garage.maemo.org/<br>"
801 "Bug Reports: <br> https://bugs.maemo.org/"
802 "enter_bug.cgi?product=Ghosts%20Overboard"
803 ).arg(QApplication::applicationName(),QApplication::applicationVersion()));
807 void SeaScene::setItemPointersNull()
809 pPausetextItem_ = NULL;
810 pRestartLevelItem_ = NULL;
811 pRestartGameItem_ = NULL;
812 pSettingsItem_ = NULL;
815 pMinimizeItem_ = NULL;
816 pChooseLevelsetItem_ = NULL;
818 pAboutBoxItem_ = NULL;
819 pVictoryCongratulationsItem_ = NULL;
820 pLevelCompletedItem_ = NULL;
821 pVictoryCongratulationsItem_ = NULL;
822 pVictoryScoreItem_ = NULL;
827 void SeaScene::turnPauseOn()
829 pPauseAction_->setChecked(true);
832 void SeaScene::handleDeviceLocked(bool isLocked)
834 //pauses if locked but does not unpause if unlocked
837 pPauseAction_->setChecked(true);
841 void SeaScene::pollDeviceLocked()
844 bool locked = deviceInfo_.isDeviceLocked();
850 pPauseAction_->setChecked(true);
851 alreadyLocked_ = true;
856 alreadyLocked_ = false;
861 void SeaScene::createLevelCompletedItems()
863 pLevelCompletedItem_ = new QGraphicsTextItem;
864 addItem(pLevelCompletedItem_);
865 pLevelCompletedItem_->setPos(240,100);
866 pLevelCompletedItem_->setZValue(1000);
867 pLevelCompletedItem_->hide();
868 //The text is set at usetime
870 QGraphicsTextItem * pTapForNextLevelItem = new QGraphicsTextItem(pLevelCompletedItem_);
871 pTapForNextLevelItem->setPos(-60,100);
872 pTapForNextLevelItem->setZValue(1000);
873 pTapForNextLevelItem->setHtml("<font size=\"5\" color = darkorange>Tap to start the next level");
876 void SeaScene::createSelectLevelsetFromListItems()
878 pSelectLevelsetFromListItem_ = new QGraphicsTextItem;
879 addItem(pSelectLevelsetFromListItem_);
880 pSelectLevelsetFromListItem_->setPos(40,80);
881 pSelectLevelsetFromListItem_->setZValue(1000);
882 pSelectLevelsetFromListItem_->hide();
884 QString list ("<font color = darkorange size = \"7\">");
886 foreach (Levelset set, availableLevelsets_)
888 list.append(set.getName());
892 pSelectLevelsetFromListItem_->setHtml(list);