Add hidden feature to remove the race GUI: will be helpful to take track screenshots.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@6867 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/input/input_manager.cpp

@@ -169,6 +169,15 @@ void InputManager::handleStaticAction(int key, int value)
                 kart->setPowerup(PowerupManager::POWERUP_ZIPPER, 10000);
             }
             break;
+            
+        case KEY_F8:
+            if(value && control_is_pressed)
+            {
+                RaceGUIBase* gui = World::getWorld()->getRaceGUI();
+                if (gui != NULL) gui->m_enabled = !gui->m_enabled;
+            }
+            break;
+            
         case KEY_F11:
             if(value && control_is_pressed)
             {

src/states_screens/race_gui.cpp

@@ -53,6 +53,8 @@ using namespace irr;
  */
 RaceGUI::RaceGUI()
 {    
+    m_enabled = true;
+    
     // Originally m_map_height was 100, and we take 480 as minimum res
     const float scaling = irr_driver->getFrameSize().Height / 480.0f;
     // Marker texture has to be power-of-two for (old) OpenGL compliance
@@ -257,7 +259,7 @@ void RaceGUI::createRegularPolygon(unsigned int n, float radius,
 void RaceGUI::renderGlobal(float dt)
 {
     cleanupMessages(dt);
-
+    
     // Special case : when 3 players play, use 4th window to display such 
     // stuff (but we must clear it)
     if (race_manager->getNumLocalPlayers() == 3 && 
@@ -282,6 +284,7 @@ void RaceGUI::renderGlobal(float dt)
 
     // Timer etc. are not displayed unless the game is actually started.
     if(!world->isRacePhase()) return;
+    if (!m_enabled) return;
 
     drawGlobalTimer();
     if(world->getPhase() == WorldStatus::GO_PHASE ||
@@ -302,6 +305,8 @@ void RaceGUI::renderGlobal(float dt)
  */
 void RaceGUI::renderPlayerView(const Kart *kart)
 {
+    if (!m_enabled) return;
+    
     const core::recti &viewport    = kart->getCamera()->getViewport();
     core::vector2df scaling = kart->getCamera()->getScaling();
     //std::cout << "Applied ratio : " << viewport.getWidth()/800.0f << std::endl;

src/states_screens/race_gui_base.hpp

@@ -53,6 +53,8 @@ public:
     };   // KartIconDisplayInfo
 
 public:
+    
+    bool m_enabled;
 
                   RaceGUIBase() {};
     virtual      ~RaceGUIBase() {};