Reset multitouch buttons state when game is restarted

src/input/multitouch_device.cpp

@@ -43,14 +43,7 @@ MultitouchDevice::MultitouchDevice()
     assert(m_android_device != NULL);
 #endif
 
-    for (MultitouchEvent& event : m_events)
-    {
-        event.id = 0;
-        event.touched = false;
-        event.x = 0;
-        event.y = 0;
-    }
-
+    reset();
     updateConfigParams();
 }   // MultitouchDevice
 
@@ -183,6 +176,28 @@ void MultitouchDevice::clearButtons()
     m_buttons.clear();
 } // clearButtons
 
+// ----------------------------------------------------------------------------
+/** Sets all buttons and events to default state
+ */
+void MultitouchDevice::reset()
+{
+    for (MultitouchButton* button : m_buttons)
+    {
+        button->pressed = false;
+        button->event_id = 0;
+        button->axis_x = 0.0f;
+        button->axis_y = 0.0f;
+    }
+
+    for (MultitouchEvent& event : m_events)
+    {
+        event.id = 0;
+        event.touched = false;
+        event.x = 0;
+        event.y = 0;
+    }
+} // reset
+
 // ----------------------------------------------------------------------------
 /** The function that is executed when touch event occurs. It updates the
  *  buttons state when it's needed.

src/input/multitouch_device.hpp

@@ -111,6 +111,7 @@ public:
     void addButton(MultitouchButtonType type, int x, int y, int width,
                    int height);
     void clearButtons();
+    void reset();
 
     /** Returns the number of created buttons */
     unsigned int getButtonsCount() {return m_buttons.size();}

src/states_screens/race_gui_base.cpp

@@ -154,6 +154,11 @@ void RaceGUIBase::reset()
     m_plunger_speed     = core::vector2df(0,0);
     m_plunger_state     = PLUNGER_STATE_INIT;
     clearAllMessages();
+    
+    if (m_multitouch_gui != NULL)
+    {
+        m_multitouch_gui->reset();
+    }
 }   // reset
 
 //-----------------------------------------------------------------------------

src/states_screens/race_gui_multitouch.cpp

@@ -76,6 +76,18 @@ RaceGUIMultitouch::~RaceGUIMultitouch()
 }   // ~RaceGUIMultitouch
 
 
+//-----------------------------------------------------------------------------
+/** Sets the multitouch race gui to its initial state
+ */
+void RaceGUIMultitouch::reset()
+{
+    if (m_device != NULL)
+    {
+        m_device->reset();
+    }
+}   // reset
+
+
 //-----------------------------------------------------------------------------
 /** Clears all previously created buttons in the multitouch device
  */

src/states_screens/race_gui_multitouch.hpp

@@ -62,6 +62,7 @@ public:
                                 
     unsigned int getMinimapBottom() {return m_minimap_bottom;}
     void setGuiAction(bool enabled = true) {m_gui_action = enabled;}
+    void reset();
                                  
 };   // RaceGUIMultitouch