added init world methods

src/Core/SnakeProject/iground.cpp

@@ -0,0 +1,6 @@
+#include "iground.h"
+
+IGround::IGround()
+{
+
+}

src/Core/SnakeProject/iground.h

@@ -0,0 +1,11 @@
+#ifndef IGROUND_H
+#define IGROUND_H
+
+
+class IGround
+{
+public:
+    IGround();
+};
+
+#endif // IGROUND_H

src/Core/SnakeProject/iworld.cpp

@@ -57,6 +57,11 @@ void IWorld::deinit() {
     delete  _worldRules;
 }
 
+void IWorld::generateGround() {
+    int count = 10;
+    TO-DU
+}
+
 void IWorld::addItem(const QString& group, IWorldItem* obj) {
     _items.insert(obj->guiId(), WorldObjectWraper{obj, group});
     _itemsGroup.insert(group, obj->guiId());
@@ -78,7 +83,7 @@ bool IWorld::removeItem(int id) {
 }
 
 bool IWorld::removeAnyItemFromGroup(const QString &group) {
-    auto anyObject =_itemsGroup.value(group);
+    auto anyObject = _itemsGroup.value(group);
     return removeItem(anyObject);
 }
 
@@ -90,7 +95,7 @@ void IWorld::worldChanged(const WorldObjects &objects) {
 
     for (auto it = objects.begin(); it != objects.end(); ++it) {
 
-        int count = it.value() -_itemsGroup.count(it.key());
+        int count = it.value() - _itemsGroup.count(it.key());
 
         if (count > 0) {
             for ( int i = 0; i < count; ++i ) {

src/Core/SnakeProject/iworld.h

@@ -12,6 +12,7 @@
 
 class IWorldItem;
 class IPlayer;
+class Diff;
 
 /**
  * @brief WorldObjects This is map list of the avalable objects and its count on a lvl-long point.
@@ -41,6 +42,14 @@ public:
     IWorld();
     virtual ~IWorld();
 
+    /**
+     * @brief generateGroundTile This method should be generate a new tile of the world.
+     * @return raw pointer to tile of the world ground.
+     * @note The tile count sets automaticly.
+     * @note All generated objects will be distroed automaticaly.
+     */
+    virtual IWorldItem* generateGroundTile() = 0;
+
     /**
      * @brief initPlayer The implementation of This interface must be return playerObject.
      * @return raw pointer to the player object.
@@ -103,10 +112,23 @@ public:
      */
     const IWorldItem * getItem(int id) const;
 
+    /**
+     * @brief hdrMap This method return path to hdr map of world.
+     * @return
+     */
     const QString &hdrMap() const;
 
 signals:
-    void sigGameFinished(GameResult);
+    /**
+     * @brief sigGameFinished This signal emit when game are finished
+     * @brief result This is player statistics after finished level,
+     */
+    void sigGameFinished(GameResult result);
+
+    /**
+     * @brief sigOBjctsListChanged This signal emited when lvel status are changed.
+     */
+    void sigOBjctsListChanged(Diff);
 
 protected:
     /**
@@ -121,6 +143,7 @@ private:
     bool init();
     void deinit();
 
+    void generateGround();
     void worldChanged(const WorldObjects& objects);
     void clearItems();
     void addItem(const QString &group, IWorldItem *obj);

src/Core/private/engine.cpp

@@ -3,6 +3,7 @@
 #include <QQmlComponent>
 #include <guiobject.h>
 #include "SnakeProject/iworld.h"
+#include "diff.h"
 
 Engine::Engine() {
 
@@ -59,10 +60,6 @@ bool Engine::remove(int id) {
     return true;
 }
 
-Diff Engine::generateDiff() {
-    TO-DO
-}
-
 void Engine::setQmlEngine(QQmlEngine *newEngine) {
     if (_engine == newEngine)
         return;
@@ -74,9 +71,17 @@ void Engine::setWorld(IWorld *world) {
     if (_currentWorld == world)
         return ;
 
+    if (_currentWorld) {
+        disconnect(_currentWorld, &IWorld::sigOBjctsListChanged,
+                   this, &Engine::handleGameObjectsChanged);
+    }
+
     _currentWorld = world;
 
-    handleGameObjectsChanged();
+    connect(_currentWorld, &IWorld::sigOBjctsListChanged,
+            this, &Engine::handleGameObjectsChanged,
+            Qt::QueuedConnection);
+
 }
 
 QString Engine::hdr() const {

src/Core/private/engine.h

@@ -49,10 +49,13 @@ public:
      */
     void setScane(QObject *newScane);
 
+    /**
+     * @brief currentWorld return pointer to current world object.
+     * @return raw pointer to current world object.
+     */
     IWorld *currentWorld() const;
-    void setCurrentWorld(IWorld *newCurrentWorld);
 
-public slots:
+private slots:
 
     /**
      * @brief handleGameObjectsChanged This slot invoked when games objects changed.
@@ -67,7 +70,6 @@ signals:
 private:
     bool add(GuiObject* obj);
     bool remove(int id);
-    Diff generateDiff();
 
     QObject *_scane = nullptr;
     QQmlEngine *_engine = nullptr;