1 files changed, 174 insertions, 0 deletions
diff --git a/src/GameView.cpp b/src/GameView.cpp
new file mode 100644
index 0000000..3ba2631
--- /dev/null
+++ b/src/GameView.cpp
@@ -0,0 +1,174 @@
+#include <QScrollBar>
+#include <QDebug>
+#include <QtOpenGL/QGLWidget>
+
+#include "ActionScene.h"
+#include "LevelSelectionScene.h"
+#include "CreditsScene.h"
+#include "SceneChanger.h"
+#include "MenuScene.h"
+
+#include "GameView.h"
+
+GameView *GameView::m_instance = NULL;
+
+GameView::GameView(QWidget *parent) :
+    QGraphicsView(parent)
+{
+    setViewport(new QGLWidget);
+
+    m_actionScene = new ActionScene("ActionScene", QRectF(0, 0, 6400, 480), this);
+    connect(m_actionScene, SIGNAL(gameOver()), this, SLOT(gameOver()));
+
+    LevelSelectionScene* levelSelectionScene = new LevelSelectionScene("LevelSelectionScene", QRectF(0, 0, 800, 480), this);
+    CreditsScene* creditsScene = new CreditsScene("CreditsScene", QRectF(0, 0, 800, 480), this);
+    MenuScene* menuScene = new MenuScene("MenuScene", QRectF(0, 0, 800, 480), this);
+
+    m_scenes.append(m_actionScene);
+    m_scenes.append(levelSelectionScene);
+    m_scenes.append(creditsScene);
+    m_scenes.append(menuScene);
+
+    m_sceneChanger = new SceneChanger("ChangerScene", QRectF(0, 0, 800, 480), this);
+
+    setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+    setViewportUpdateMode(FullViewportUpdate);
+    setRenderHints(QPainter::Antialiasing | QPainter::SmoothPixmapTransform | QPainter::TextAntialiasing);
+
+    m_gameTimer = new QTimer(this);
+    connect(m_gameTimer, SIGNAL(timeout()), this, SLOT(updateSceneLogic()));
+
+    showScene(menuScene);
+}
+
+GameView *GameView::instance()
+{
+    if (m_instance == NULL)
+    {
+        m_instance = new GameView;
+    }
+
+    return m_instance;
+}
+
+GameScene *GameView::getScene(const QString &name)
+{
+    Q_FOREACH(GameScene *scene, m_scenes)
+    {
+        if (scene->objectName() == name)
+        {
+            return scene;
+        }
+    }
+
+    qDebug() << "GameScene" << name << "not found";
+
+    return NULL;
+}
+
+GameScene *GameView::getCurrentScene()
+{
+    return qobject_cast<GameScene *>(scene());
+}
+
+void GameView::showScene(const QString &name)
+{
+    GameScene *scene = NULL;
+
+    Q_FOREACH(GameScene *s, m_scenes)
+    {
+        if (s->objectName() == name)
+        {
+            scene = s;
+            break;
+        }
+    }
+
+    if (scene)
+    {
+        changeScene(scene);
+    }
+    else
+    {
+        qDebug() << "no such scene:" << name;
+    }
+}
+
+void GameView::changeScene(GameScene* scene)
+{
+    GameScene *current = getCurrentScene();
+    showScene(m_sceneChanger);
+
+    if( current->objectName() == "CreditsScene" && scene->objectName() == "MenuScene" )
+           m_sceneChanger->changeScene(current, scene, true);
+    else if( current->objectName() == "MenuScene" && scene->objectName() == "LevelSelectionScene" )
+        m_sceneChanger->changeScene(current, scene, true);
+    else if( current->objectName() == "LevelSelectionScene" && scene->objectName() == "ActionScene" )
+        m_sceneChanger->changeScene(current, scene, true);
+    else
+        m_sceneChanger->changeScene(current, scene, false);
+}
+
+void GameView::showScene(GameScene *scene)
+{
+    Q_ASSERT(scene != NULL);
+
+    GameScene *old = getCurrentScene();
+
+    if (scene == old)
+        return;
+
+    m_gameTimer->stop();
+
+    if (old)
+        old->leaveScene(scene);
+
+    setScene(scene);
+
+    scene->enterScene(old);
+
+    m_gameTimer->start(1000.0f / 60.0f);
+}
+
+void GameView::updateSceneLogic()
+{
+    GameScene *scene = getCurrentScene();
+
+    if (scene)
+    {
+        scene->updateLogic();
+    }
+}
+
+ActionScene* GameView::getActionScene()
+{
+    return m_actionScene;
+}
+
+void GameView::gameOver()
+{
+    qDebug() << __FUNCTION__;
+    // not so simple, man
+    showScene("LevelSelectionScene");
+}
+
+void GameView::showMenuScene()
+{
+    showScene("MenuScene");
+}
+
+void GameView::showLevelSelectionScene()
+{
+    showScene("LevelSelectionScene");
+}
+
+void GameView::showCreditsScene()
+{
+    showScene("CreditsScene");
+}
+
+void GameView::showActionScene()
+{
+    showScene("ActionScene");
+}