+/**************************************************************************
+ Ghosts Overboard - a game for Maemo 5
+
+ Copyright (C) 2011 Heli Hyvättinen
+
+ This file is part of Ghosts Overboard
+
+ Ghosts Overboard is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+**************************************************************************/
+
#include "seascene.h"
+#include "octopus.h"
+#include "ship.h"
#include <QGraphicsPixmapItem>
#include <QDebug>
+#include <QMessageBox>
+#include <QTime>
+#include <QApplication>
+#include <QAction>
+#include <QPushButton>
+#include <QLabel>
+#include <QVBoxLayout>
+#include <QSettings>
+#include <QPixmap>
const QString ghostImageFilename_ = ":/pix/aave.png";
const QString rockImageFilename_ =":/pix/kari.png";
QGraphicsScene(parent)
{
+ setItemPointersNull();
+
+ paused_ = false;
+ screenLitKeeper_.keepScreenLit(true);
+
+ //set background
+
+ QPixmap waves (":/pix/meri.png");
+ waves.scaled(20,20);
+ setBackgroundBrush(QBrush(waves));
+
+ //set random seed
+
+ qsrand(QTime::currentTime().msec()+2); //+2 to avoid setting it to 1
+
+//Setup the level list
+
+ Level level1(5,10);
+ levelList_.append(level1);
+ Level level2(5,10,2,50);
+ levelList_.append(level2);
+ Level level3(5,15,2,50);
+ levelList_.append(level3);
+ Level level4(5,15,4,50);
+ levelList_.append(level4);
+ Level level5(5,15,5,100);
+ levelList_.append(level5);
+
+ currentLevel_ = 0;
+
+
+ connect(this,SIGNAL(allGhostsPicked()),this,SLOT(nextLevel()));
+
+
+ pVibrateAction_ = new QAction(tr("Vibration effects"),this);
+ pVibrateAction_->setCheckable(true);
+ connect(pVibrateAction_,SIGNAL(toggled(bool)),this,SLOT(vibrationActivate(bool)));
+ QSettings settings;
+ pVibrateAction_->setChecked(settings.value("vibration",false).toBool());
+
+
+ pPauseAction_ = new QAction(tr("Pause"),this);
+ pPauseAction_->setCheckable(true);
+ connect(pPauseAction_,SIGNAL(toggled(bool)),this,SLOT(pause(bool)));
+
+
+ autopauseTimer.setSingleShot(true);
+ autopauseTimer.setInterval(15*60*1000);
+ connect(&autopauseTimer,SIGNAL(timeout()),this,SLOT(forcePause()));
+
}
-void SeaScene::setupMap(int ghosts, int rocks, int octopuses)
+void SeaScene::setupMap(int ghosts, int rocks, int octopuses, int octopusSpeed)
{
+ //empty the map
+
+ clear();
+
+ setItemPointersNull();
+
+ createMenuItems();
+
+ createAboutBoxItems();
+
+ createVictoryItems();
+
+
+ //empty the list of moving items
+
+ movingItems_.clear();
+
//empty the list of free slots
freeTiles_.clear();
int numberOfXTiles = width() / 40;
int numberOfYTiles = height() /40;
- qDebug() << numberOfXTiles << " slots in x direction";
- qDebug() << numberOfYTiles << " slots in y rirection";
+// qDebug() << numberOfXTiles << " slots in x direction";
+// qDebug() << numberOfYTiles << " slots in y rirection";
for (int i = 0; i < numberOfXTiles; i++ )
{
freeTiles_.append(QPointF(i*40,j*40));
}
}
+
+
+ //spread the rocks
+
+ for (int i = 0; i < rocks; i++)
+ {
+ QPointF * pPosition = findRandomFreeSlot();
+
+ //If there was no room no point to continue
+ if (pPosition == NULL)
+ break;
+
+ QPixmap rockPixmap (":/pix/kari.png");
+ QGraphicsPixmapItem * pRock = addPixmap(rockPixmap);
+ pRock->setData(0,"rock");
+ pRock->setPos(*pPosition);
+ delete pPosition;
+
+ }
+
+ //spread the ghosts
+
+ ghostsLeft_ = ghosts;
spreadGhosts(ghosts);
+
+
+
+ //spread the octopuses
+
+ QList <Octopus*> octopusList;
+
+ for (int i=0; i < octopuses; i++)
+ {
+ QPointF * pPosition = findRandomFreeSlot();
+
+ //If there was no room no point to continue
+ if (pPosition == NULL)
+ break;
+
+ QPixmap octopusPixmap (":/pix/tursas.png");
+ Octopus * pOctopus = new Octopus(octopusPixmap,octopusSpeed);
+ pOctopus->setData(0,"octopus");
+ pOctopus->setPos(*pPosition);
+ addItem(pOctopus);
+ pOctopus->startMoving();
+ movingItems_.append(pOctopus);
+ connect(this,SIGNAL(pauseOn()),pOctopus,SLOT(stopMoving()));
+ connect(this,SIGNAL(pauseOff()),pOctopus,SLOT(startMoving()));
+ octopusList.append(pOctopus);
+ delete pPosition;
+
+ }
+
+
+ //place the ship
+
+ QPointF * pPosition = findRandomFreeSlot();
+ if (pPosition == NULL)
+ {
+ // Game cannot begin without a free position for ship, so give an error message and return
+
+ QMessageBox::critical(NULL,"Error! Too many objects on screen","No free space to place the ship. The game cannot start. Please choose another level.");
+ return;
+ }
+
+ QList<QPixmap> shipImages;
+ shipImages.append(QPixmap(":/pix/laiva.png"));
+ shipImages.append(QPixmap(":/pix/laiva_1aave.png"));
+ shipImages.append(QPixmap(":/pix/laiva_2aave.png"));
+ shipImages.append(QPixmap(":/pix/laiva_3aave.png"));
+ shipImages.append(QPixmap(":/pix/laiva_4aave.png"));
+ shipImages.append(QPixmap(":/pix/laiva_5aave.png"));
+ shipImages.append(QPixmap(":/pix/laiva_6aave.png"));
+ shipImages.append(QPixmap(":/pix/laiva_7aave.png"));
+ shipImages.append(QPixmap(":/pix/laiva_8aave.png"));
+ shipImages.append(QPixmap(":/pix/laiva_9aave.png"));
+ shipImages.append(QPixmap(":/pix/laiva_10aave.png"));
+
+ Ship * pShip = new Ship (shipImages);
+ pShip->setData(0,"ship");
+ pShip->setPos(*pPosition);
+ addItem(pShip);
+ connect(pShip,SIGNAL(pickingGhost(QGraphicsItem*)),this, SLOT(removeGhost(QGraphicsItem*)) );
+ connect(pShip,SIGNAL(droppingGhosts(int)),this,SLOT(ghostsDropped(int)));
+ connect(this,SIGNAL(vibrationActivated(bool)),pShip,SLOT(setVibrationActivate(bool)));
+ pShip->startMoving();
+ movingItems_.append(pShip);
+ connect(this,SIGNAL(pauseOn()),pShip,SLOT(stopMoving()));
+ connect(this,SIGNAL(pauseOff()),pShip,SLOT(startMoving()));
+ foreach (Octopus* pOctopus, octopusList)
+ {
+ connect(pOctopus,SIGNAL(droppingGhosts()),pShip,SLOT(dropAllGhosts()));
+ }
+ delete pPosition;
+
+
+}
+
+void SeaScene::setupMap(Level level)
+{
+ setupMap(level.getNumberOfGhosts(),level.getNumberOfRocks(),level.getNumberOfOctopuses(),level.getOctopusSpeed());
}
void SeaScene::spreadGhosts(int ghosts)
{
+
+
+ //the octopuses and the ship may have moved from their original positions,
+ //so the list of free slots must be adjusted to exclude their current positions
+
+ QList<QPointF> temporarilyReservedSlots;
+
+ foreach (QGraphicsItem* pItem, movingItems_)
+ {
+ if (pItem == NULL)
+ {
+ // qDebug() << "NULL item in movingItems_";
+ continue;
+ }
+
+ //round x and y down to fit the slot size
+ int x = pItem->x();
+ x = x/40;
+ x = x*40;
+
+ int y = pItem->y();
+ y = y/40;
+ y=y*40;
+
+
+ QPointF position (x,y);
+
+ //remove the tiles (potentially) occupied by the item from free slots and place in temp list if was in the list before
+
+ if (freeTiles_.removeOne(position))
+ temporarilyReservedSlots.append(position);
+
+
+ position.setX(x+40);
+
+ if (freeTiles_.removeOne(position))
+ temporarilyReservedSlots.append(position);
+
+ position.setY(y+40);
+
+ if (freeTiles_.removeOne(position))
+ temporarilyReservedSlots.append(position);
+
+ position.setX(x);
+
+ if (freeTiles_.removeOne(position))
+ temporarilyReservedSlots.append(position);
+
+ }
+
+
+ //spread ghosts in random free slots
+
for (int i=0; i < ghosts; i++)
{
- QPointF position = findRandomFreeSlot();
+ QPointF * pPosition = findRandomFreeSlot();
+
+ //If there was no room no point to continue
+ if (pPosition == NULL)
+ return;
- QGraphicsPixmapItem * pGhost = addPixmap(QPixmap(":/pix/aave.png"));
+ QPixmap ghostPixmap(":/pix/aave.png");
+ QGraphicsPixmapItem * pGhost = addPixmap(ghostPixmap);
pGhost->setData(0,"ghost");
- pGhost->setPos(position);
+ pGhost->setPos(*pPosition);
+ delete pPosition;
}
+
+ //return the slots occupied by moving items to free slots
+ freeTiles_.append(temporarilyReservedSlots);
+
+ //clear temp for the next round
+ temporarilyReservedSlots.clear();
}
-QPointF SeaScene::findRandomFreeSlot()
+QPointF* SeaScene::findRandomFreeSlot()
{
+ if (freeTiles_.isEmpty())
+ return NULL;
+
int index = qrand()%freeTiles_.size();
- qDebug() << index << " index";
- return freeTiles_.takeAt(index);
+// qDebug() << index << " index";
+ return new QPointF (freeTiles_.takeAt(index));
+
+}
+
+void SeaScene::removeGhost(QGraphicsItem *pGhost)
+{
+ removeItem(pGhost); //remove the item from scene
+ freeTiles_.append(pGhost->scenePos()); //add the item's position to free slots
+ delete pGhost;
+ ghostsLeft_--;
+ if (ghostsLeft_ == 0)
+ {
+ emit allGhostsPicked();
+ // qDebug() << "All ghosts picked!";
+ }
+}
+
+void SeaScene::ghostsDropped(int ghosts)
+{
+ ghostsLeft_ += ghosts;
+
+ spreadGhosts(ghosts);
+}
+
+void SeaScene::pause(bool paused)
+{
+ // qDebug() << "pause pressed " << paused;
+ if (paused_ == paused)
+ return;
+
+ paused_ = paused;
+
+ if (paused == false)
+ {
+ // qDebug() << "starting to move again";
+ emit fullscreenRequested();
+ emit pauseOff();
+ screenLitKeeper_.keepScreenLit(true);
+ if (pPausetextItem_)
+ pPausetextItem_->hide();
+
+ autopauseTimer.start(); //Start counting towards autopause
+ }
+
+ else
+ {
+// qDebug("about to stop movement");
+ emit pauseOn();
+ screenLitKeeper_.keepScreenLit(false);
+ if (pPausetextItem_ != NULL)
+ {
+// qDebug() << "about to show the pause text";
+ pPausetextItem_->show();
+// qDebug() << "showing pause text";
+ }
+// else qDebug() << "No pause text available";
+
+ autopauseTimer.stop(); //No need to count toward autopause when already paused
+ }
+}
+
+void SeaScene::vibrationActivate(bool on)
+{
+ emit vibrationActivated(on);
+}
+
+void SeaScene::handleScreenTapped()
+{
+
+ //If the game is going just pause it
+ if (!paused_)
+ {
+ pPauseAction_->setChecked(true);
+ return;
+ }
+
+ //If the game is paused and about box is shown, close it and show the pause text and menu again
+
+ if(pAboutBoxItem_)
+ {
+ if(pAboutBoxItem_->isVisible())
+ {
+ pAboutBoxItem_->hide();
+ pPausetextItem_->show();
+ }
+ }
+
+
+ //If the game is paused, check if the victory item is being shown
+ if(pVictoryCongratulationsItem_)
+ {
+ if (pVictoryCongratulationsItem_->isVisibleTo(NULL)) //returns visibility to scene
+ {
+ pVictoryCongratulationsItem_->hide();
+ restartGame();
+ pPauseAction_->setChecked(false); // unpause
+ return;
+ }
+ }
+
+ //If the game is paused and no victory, check if menu item was selected
+
+ QList<QGraphicsItem *> items = selectedItems();
+
+ //if nothing selected resume play
+
+ if (items.isEmpty())
+ {
+ pPauseAction_->setChecked(false);
+ return;
+
+ }
+
+ //If something was selected check if it was one of the menu items and act on it
+ //(Nothing else should be made selectable anyway)
+
+ //Menu functions
+
+ QGraphicsItem* pItem = items.at(0); //Selecting an item brings here, thus only selecting one item should be possible
+ //... so we can just take the first one
+
+ //Selection is just used to get notice of a menu item being clicked, removed after use
+
+ clearSelection();
+
+
+ //Act upon the selected item
+
+
+ if (pItem == pRestartGameItem_)
+ {
+// qDebug() << "game restart requested";
+ restartGame();
+ pPauseAction_->setChecked(false); //unpause game
+
+ }
+
+ else if (pItem == pRestartLevelItem_)
+ {
+// qDebug() << "Level restart requested";
+ restartLevel();
+ pPauseAction_->setChecked(false); //unpause game
+
+ }
+
+ else if (pItem == pSettingsItem_)
+ {
+ pVibrateAction_->toggle();
+
+ QSettings settings;
+ settings.setValue("vibration",pVibrateAction_->isChecked());
+
+ QString text = pSettingsItem_->toHtml();
+ if (pVibrateAction_->isChecked())
+ text.replace(" on"," off"); //don't remove spaces or you get vibratioff...
+ else
+ text.replace(" off"," on");
+ pSettingsItem_->setHtml(text);
+ }
+
+ else if (pItem == pAboutItem_)
+ {
+ about();
+ }
+
+ else if(pItem == pMinimizeItem_)
+ {
+ emit minimizeRequested();
+ }
+
+ else if (pItem == pQuitItem_)
+ {
+ qApp->quit();
+ }
+}
+
+
+
+void SeaScene::createMenuItems()
+{
+
+ QFont font;
+ font.setPixelSize(35);
+
+
+
+ pPausetextItem_ = new QGraphicsTextItem;
+ pPausetextItem_->setHtml("<font size = \"5\" color = darkorange> Game paused. Tap to continue.");
+ pPausetextItem_->setZValue(1000);
+ pPausetextItem_->setPos(165,50);
+ addItem(pPausetextItem_);
+ pPausetextItem_->hide();
+
+ menuItemCount_ = 0;
+
+ QString menufonthtml = "<font size = \"4\" color = darkorange>";
+
+ pRestartGameItem_ = new QGraphicsTextItem;
+ pRestartGameItem_->setHtml(tr("Restart <br> game").prepend(menufonthtml));
+ prepareForMenu(pRestartGameItem_);
+
+ pRestartLevelItem_ = new QGraphicsTextItem;
+ pRestartLevelItem_->setHtml(tr("Restart <br> level").prepend(menufonthtml));
+ prepareForMenu(pRestartLevelItem_);
+
+ pSettingsItem_ = new QGraphicsTextItem;
+ QString vibraText(tr("Vibration <br> effects "));
+ QString statusText;
+ if (pVibrateAction_->isChecked())
+ {
+ statusText = "off";
+ }
+ else
+ {
+ statusText = "on";
+ }
+ vibraText.append(statusText);
+ pSettingsItem_->setHtml(vibraText.prepend(menufonthtml));
+ prepareForMenu(pSettingsItem_);
+
+ pAboutItem_ = new QGraphicsTextItem;
+ pAboutItem_->setHtml(tr("About <br> game").prepend(menufonthtml));
+ prepareForMenu(pAboutItem_);
+
+ pMinimizeItem_ = new QGraphicsTextItem;
+ pMinimizeItem_->setHtml(tr("Show <br> status bar").prepend(menufonthtml));
+ prepareForMenu(pMinimizeItem_);
+
+ pQuitItem_ = new QGraphicsTextItem;
+ pQuitItem_->setHtml(tr("Quit <br> game").prepend(menufonthtml));
+ prepareForMenu(pQuitItem_);
+
+}
+
+void SeaScene::prepareForMenu(QGraphicsItem * pItem)
+{
+
+ //Menu items have pause text item as their parent and are thus added to scene automatically
+ //They are also shown and hidden with it, resulting in the menu being visble when the game is paused
+ //Their coordinates are given relative to the parent.
+
+
+
+
+ int itemsPerRow = 3;
+
+ pItem->setParentItem(pPausetextItem_);
+ pItem->setZValue(1000);
+ pItem->setFlag(QGraphicsItem::ItemIsSelectable);
+
+ int row = menuItemCount_/(itemsPerRow);
+ pItem->setY(150+row*120);
+ pItem->setX(((menuItemCount_%(itemsPerRow))*180+5));
+
+ menuItemCount_++;
+ }
+
+
+void SeaScene::about()
+{
+ pPausetextItem_->hide();
+ pAboutBoxItem_->show();
+}
+
+
+void SeaScene::restartLevel()
+{
+ setupMap(levelList_.value(currentLevel_)); //value() returns default constructor Level if index is invalid, so no risk of crash
+ vibrationActivate(pVibrateAction_->isChecked()); //Vibration effects are lost without this
+ // qDebug() << pVibrateAction_->isChecked();
+ autopauseTimer.start(); //reset counting towards autopause
+}
+
+
+
+void SeaScene::nextLevel()
+{
+
+ currentLevel_++;
+
+ if (levelList_.empty())
+ setupMap(Level());
+
+
+ if ( currentLevel_ < levelList_.size() )
+ {
+ restartLevel();
+ }
+
+ else //Victory!
+ {
+
+ pPauseAction_->setChecked(true); //Pause the game while showing the victory dialog
+
+ pPausetextItem_->hide();
+
+ pVictoryCongratulationsItem_->show();
+
+ }
+}
+
+
+void SeaScene::restartGame()
+{
+ currentLevel_ = 0;
+ restartLevel();
+}
+
+
+void SeaScene::forcePause()
+{
+ //Pause without setting the pause action state
+ pause(true);
+}
+
+void SeaScene::softContinue()
+{
+ //Continue if not being paused by the user
+ // Reverts forcePause()
+
+ pause(pPauseAction_->isChecked());
+}
+
+
+void SeaScene::createVictoryItems()
+{
+ pVictoryCongratulationsItem_ = new QGraphicsTextItem;
+ pVictoryCongratulationsItem_->setHtml("<font size=\"6\" color = darkorange> Victory!");
+ pVictoryCongratulationsItem_->hide();
+ pVictoryCongratulationsItem_->setPos(300,50);
+ pVictoryCongratulationsItem_->setZValue(1000);
+ addItem(pVictoryCongratulationsItem_);
+
+
+ //coordinates are relative to the parent
+
+ QGraphicsTextItem * pTextItem = new QGraphicsTextItem(pVictoryCongratulationsItem_);
+ pTextItem->setHtml("<font size=\"5\" color = darkorange> Congratulations!");
+ pTextItem->setPos(-50,100);
+ pTextItem->setZValue(1000);
+
+ QGraphicsTextItem * pMiddleTextItem = new QGraphicsTextItem(pVictoryCongratulationsItem_);
+ pMiddleTextItem->setHtml("<font size=\"5\" color = darkorange> You have saved all the ghosts.");
+ pMiddleTextItem->setPos(-145,140);
+ pMiddleTextItem->setZValue(1000);
+
+ QGraphicsTextItem * pLowestTextItem = new QGraphicsTextItem(pVictoryCongratulationsItem_);
+ pLowestTextItem->setHtml("<font size=\"5\" color = darkorange> Tap to play again");
+ pLowestTextItem->setPos(-50,220);
+ pLowestTextItem->setZValue(1000);
+}
+
+void SeaScene::createAboutBoxItems()
+{
+ pAboutBoxItem_ = new QGraphicsTextItem;
+ addItem(pAboutBoxItem_);
+ pAboutBoxItem_->setPos(25,50);
+ pAboutBoxItem_->setZValue(1000);
+ pAboutBoxItem_->hide();
+
+ pAboutBoxItem_->setHtml(tr("<font color = darkorange size = \"7\">"
+ "%1 <br> <font size = \"5\"> Version %2"
+ "<p><font size = \"4\"> Copyright 2011 Heli Hyvättinen"
+ "<p><font size = \"4\"> License: General Public License v2"
+ "<p><font size = \"3\"> Web: http://ghostsoverboard.garage.maemo.org/<br>"
+ "Bug Reports: <br> https://bugs.maemo.org/"
+ "enter_bug.cgi?product=Ghosts%20Overboard"
+ ).arg(QApplication::applicationName(),QApplication::applicationVersion()));
+
+}
+
+void SeaScene::setItemPointersNull()
+{
+ pPausetextItem_ = NULL;
+ pRestartLevelItem_ = NULL;
+ pRestartGameItem_ = NULL;
+ pSettingsItem_ = NULL;
+ pAboutItem_ = NULL;
+ pQuitItem_ = NULL ;
+ pMinimizeItem_ = NULL;
+
+ pAboutBoxItem_ = NULL;
+ pVictoryCongratulationsItem_ = NULL;
}