Ship can now pick ghosts

[ghostsoverboard] / seascene.cpp

diff --git a/seascene.cpp b/seascene.cpp
index eaaef92..cfa78ec 100644 (file)
--- a/seascene.cpp
+++ b/seascene.cpp
@@ -1,6 +1,9 @@
 #include "seascene.h"
+#include "timercontrolledtursas.h"
+#include "ship.h"
 #include <QGraphicsPixmapItem>
 #include <QDebug>
+#include <QMessageBox>
 
 const QString ghostImageFilename_ = ":/pix/aave.png";
 const QString rockImageFilename_ =":/pix/kari.png";
@@ -34,26 +37,105 @@ void SeaScene::setupMap(int ghosts, int rocks, int octopuses)
             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;
+
+        QGraphicsPixmapItem * pRock = addPixmap(QPixmap(":/pix/kari.png"));
+        pRock->setData(0,"rock");
+        pRock->setPos(*pPosition);
+        delete pPosition;
+
+    }
+
+    //spread the ghosts
+
     spreadGhosts(ghosts);
+
+
+
+    //spread the octopuses
+
+
+    for (int i=0; i < octopuses; i++)
+    {
+        QPointF * pPosition = findRandomFreeSlot();
+
+        //If there was no room no point to continue
+        if (pPosition == NULL)
+            break;
+
+    TimerControlledTursas * pOctopus = new TimerControlledTursas (QPixmap(":/pix/tursas.png"),100);
+    pOctopus->setData(0,"octopus");
+    pOctopus->setPos(*pPosition);
+    addItem(pOctopus);
+    pOctopus->startMoving();
+    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;
+    }
+
+    Ship * pShip = new Ship (QPixmap(":/pix/laiva.png"));
+    pShip->setData(0,"ship");
+    pShip->setPos(*pPosition);
+    addItem(pShip);
+    connect(pShip,SIGNAL(pickingGhost(QGraphicsItem*)),this, SLOT(removeGhost(QGraphicsItem*)) );
+    pShip->startMoving();
+    delete pPosition;
 }
 
+
 void SeaScene::spreadGhosts(int ghosts)
 {
     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"));
         pGhost->setData(0,"ghost");
-        pGhost->setPos(position);
+        pGhost->setPos(*pPosition);
+        delete pPosition;
     }
 }
 
-QPointF SeaScene::findRandomFreeSlot()
+QPointF* SeaScene::findRandomFreeSlot()
 {
+    if (freeTiles_.isEmpty())
+        return NULL;
+
     int index = qrand()%freeTiles_.size();
 
     qDebug()  << index << " index";
-    return freeTiles_.takeAt(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;
 }