Keeps screen lit and pauses when app is backgrounded

[ghostsoverboard] / seascene.cpp

diff --git a/seascene.cpp b/seascene.cpp
index b6ba59b..4c2e72c 100644 (file)
--- a/seascene.cpp
+++ b/seascene.cpp
@@ -4,6 +4,7 @@
 #include <QGraphicsPixmapItem>
 #include <QDebug>
 #include <QMessageBox>
+#include <QTime>
 
 const QString ghostImageFilename_ = ":/pix/aave.png";
 const QString rockImageFilename_ =":/pix/kari.png";
@@ -13,6 +14,19 @@ const QString octopusImageFilename_= ":/pix/tursas.png";
 SeaScene::SeaScene(QObject *parent) :
     QGraphicsScene(parent)
 {
+    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
+
 
 
 }
@@ -92,6 +106,8 @@ void SeaScene::setupMap(int ghosts, int rocks, int octopuses)
     addItem(pOctopus);
     pOctopus->startMoving();
     movingItems_.append(pOctopus);
+    connect(this,SIGNAL(pauseOn()),pOctopus,SLOT(stopMoving()));
+    connect(this,SIGNAL(pauseOff()),pOctopus,SLOT(startMoving()));
     delete pPosition;
 
     }
@@ -108,7 +124,20 @@ void SeaScene::setupMap(int ghosts, int rocks, int octopuses)
         return;
     }
 
-    Ship * pShip = new Ship (QPixmap(":/pix/laiva.png"));
+    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);
@@ -116,6 +145,8 @@ void SeaScene::setupMap(int ghosts, int rocks, int octopuses)
     connect(pShip,SIGNAL(droppingGhosts(int)),this,SLOT(ghostsDropped(int)));
     pShip->startMoving();
     movingItems_.append(pShip);
+    connect(this,SIGNAL(pauseOn()),pShip,SLOT(stopMoving()));
+    connect(this,SIGNAL(pauseOff()),pShip,SLOT(startMoving()));
     delete pPosition;
 }
 
@@ -123,7 +154,6 @@ void SeaScene::setupMap(int ghosts, int rocks, int octopuses)
 void SeaScene::spreadGhosts(int ghosts)
 {
 
-    qDebug() << "Preparing to spread 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
@@ -218,7 +248,7 @@ void SeaScene::removeGhost(QGraphicsItem *pGhost)
     ghostsLeft_--;
     if (ghostsLeft_ == 0)
     {
-        //here whatever happens when a level is complete / a signal
+        emit allGhostsPicked();
         qDebug() << "All ghosts picked!";
     }
 }
@@ -229,3 +259,26 @@ void SeaScene::ghostsDropped(int 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 pauseOff();
+            screenLitKeeper_.keepScreenLit(true);
+        }
+
+        else
+        {
+     //       qDebug("about to stop movement");
+            emit pauseOn();
+            screenLitKeeper_.keepScreenLit(false);
+        }
+}