In multiplayer mode, players other than the game master should not be able to select stuff in race setup menus

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/branches/irrlicht@4265 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/input/input_manager.cpp

@@ -59,6 +59,7 @@ InputManager::InputManager() : m_sensed_input(0), m_mode(BOOTSTRAP),
     m_device_manager->initialize();
 
     m_timer_in_use = false;
+    m_master_player_only = false;
     m_timer = 0;
 
 }
@@ -380,6 +381,9 @@ void InputManager::dispatchInput(Input::InputType type, int deviceID, int btnID,
                     m_timer = 0.25;
                 }
                 int playerID = (player == NULL ? 0 : player->m_id);
+                
+                // If only the master player can act, and this player is not the master, ignore his input
+                if (m_device_manager->getAssignMode() == ASSIGN && m_master_player_only && playerID != 0) return;
                 GUIEngine::EventHandler::get()->processAction(action, abs(value), type, playerID);
             }
         }
@@ -390,7 +394,11 @@ void InputManager::dispatchInput(Input::InputType type, int deviceID, int btnID,
         handleStaticAction( btnID, value );
     }
 }   // input
-
+//-----------------------------------------------------------------------------
+void InputManager::setMasterPlayerOnly(bool enabled)
+{
+    m_master_player_only = enabled;
+}
 //-----------------------------------------------------------------------------
 /**
  * Called on keyboard events [indirectly] by irrLicht

src/input/input_manager.hpp

@@ -63,6 +63,9 @@ private:
 
 	InputDriverMode  m_mode;
 	
+    /** When at true, only the master player can play with menus */
+    bool m_master_player_only;
+    
 	/* Helper values to store and track the relative mouse movements. If these
 	* values exceed the deadzone value the input is reported to the game. This
   	* makes the mouse behave like an analog axis on a gamepad/joystick.
@@ -86,6 +89,9 @@ public:
 	void   setMode(InputDriverMode);		
 	bool   isInMode(InputDriverMode);
     
+    /** When this mode is enabled, only the master player will be able to play with menus (only works in 'assign' mode) */
+    void   setMasterPlayerOnly(bool enabled);
+    
     void   update(float dt);
     
     /** Returns the ID of the player that plays with the keyboard, or -1 if none */

src/race/race_manager.cpp

@@ -396,6 +396,7 @@ void RaceManager::exitRace()
     
     StateManager::get()->resetActivePlayers();
     input_manager->getDeviceList()->setAssignMode(NO_ASSIGN);
+    input_manager->setMasterPlayerOnly(false);
 }   // exitRace
 
 //-----------------------------------------------------------------------------

src/states_screens/kart_selection.cpp

@@ -938,6 +938,9 @@ void KartSelectionScreen::init()
 // -----------------------------------------------------------------------------
 void KartSelectionScreen::allPlayersDone()
 {        
+    // FIXME: cancel this when leaving back to main menu
+    input_manager->setMasterPlayerOnly(true);
+    
     DynamicRibbonWidget* w = this->getWidget<DynamicRibbonWidget>("karts");
     assert( w != NULL );