Fixed more memory leaks.

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@5674 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/tracks/quad_graph.cpp

@@ -55,6 +55,8 @@ QuadGraph::~QuadGraph()
     for(unsigned int i=0; i<m_all_nodes.size(); i++) {
         delete m_all_nodes[i];
     }
+    if(UserConfigParams::m_track_debug)
+        cleanupDebugMesh();
 }   // ~QuadGraph
 
 // -----------------------------------------------------------------------------
@@ -276,7 +278,7 @@ void QuadGraph::createDebugMesh()
         c.setBlue(i%2 ? 0 : 255);
         v[i].Color = c;
     }
-    m_node           = irr_driver->addMesh(m_mesh);
+    m_node = irr_driver->addMesh(m_mesh);
 }   // createDebugMesh
 
 // -----------------------------------------------------------------------------
@@ -285,7 +287,11 @@ void QuadGraph::createDebugMesh()
 void QuadGraph::cleanupDebugMesh()
 {
     irr_driver->removeNode(m_node);
-    irr_driver->removeMesh(m_mesh);
+    m_node = NULL;
+    // No need to call irr_driber->removeMesh, since the mesh
+    // was manually made and so never added to the mesh cache.
+    m_mesh->drop();
+    m_mesh = NULL;
 }   // cleanupDebugMesh
 
 // -----------------------------------------------------------------------------

src/tracks/quad_set.cpp

@@ -32,6 +32,18 @@ QuadSet::QuadSet(const std::string& filename) {
     load(filename);
 }   // QuadSet
 
+// -----------------------------------------------------------------------------
+/** Destructor, frees all memory.
+ */
+QuadSet::~QuadSet()
+{
+    for(unsigned int i=0; i<m_all_quads.size(); i++)
+    {
+        delete m_all_quads[i];
+    }
+    m_all_quads.clear();
+}   // ~QuadSet
+
 // -----------------------------------------------------------------------------
 /** This function interprets a point specification as an attribute in the 
     xml quadset file. It understands two different specifications:

src/tracks/quad_set.hpp

@@ -47,6 +47,7 @@ public:
     static const int QUAD_NONE=-1;
 
                  QuadSet       (const std::string& filename);
+                ~QuadSet       ();
     int          getCurrentQuad(const Vec3& p, int oldQuad)        const;
     const Quad&  getQuad(int n) const {return *(m_all_quads[n]); }
 

src/tracks/track.cpp

@@ -118,8 +118,11 @@ void Track::reset()
  */
 void Track::cleanup()
 {
-    if(UserConfigParams::m_track_debug)
-        m_quad_graph->cleanupDebugMesh();
+    if(m_quad_graph)    
+    {
+        delete m_quad_graph;
+        m_quad_graph = NULL;
+    }
 
     item_manager->cleanup();
     for(unsigned int i=0; i<m_animated_textures.size(); i++)