Fix crash with particles on resolution change

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@7639 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/graphics/irr_driver.cpp

@@ -22,6 +22,7 @@
 #include "config/user_config.hpp"
 #include "graphics/camera.hpp"
 #include "graphics/material_manager.hpp"
+#include "graphics/particle_kind_manager.hpp"
 #include "guiengine/engine.hpp"
 #include "guiengine/modaldialog.hpp"
 #include "guiengine/scalable_font.hpp"
@@ -339,21 +340,19 @@ void IrrDriver::applyResolutionSettings()
                                                                 UserConfigParams::m_prev_height) );
     m_device->getVideoDriver()->endScene();
 
-    // startScreen             -> removeTextures();
     attachment_manager      -> removeTextures();
     projectile_manager      -> removeTextures();
     item_manager            -> removeTextures();
     kart_properties_manager -> unloadAllKarts();
     powerup_manager         -> unloadPowerups();
+    ParticleKindManager::get()->cleanup();
     delete input_manager;
     GUIEngine::clear();
     GUIEngine::cleanUp();
     
-    //std::cout << "^^^^^^^^ Closing m_device ^^^^^^^^\n";
     m_device->closeDevice();
     m_device->clearSystemMessages();
     m_device->run(); 
-    //std::cout << "^^^^^^^^ Dropping m_device ^^^^^^^^\n";
 
     // Clear the pointer stored in the file manager
     file_manager->dropFileSystem();

src/graphics/particle_kind_manager.cpp

@@ -42,6 +42,13 @@ ParticleKindManager::ParticleKindManager()
 // ----------------------------------------------------------------------------
 
 ParticleKindManager::~ParticleKindManager()
+{
+    cleanup();
+}
+
+// ----------------------------------------------------------------------------
+
+void ParticleKindManager::cleanup()
 {
     cleanUpTrackSpecificGfx();
     

src/graphics/particle_kind_manager.hpp

@@ -47,6 +47,7 @@ public:
     ParticleKind* getParticles(const std::string &name);
     
     void   cleanUpTrackSpecificGfx();
+    void   cleanup();
     
     static ParticleKindManager* get();
 };