Make LOD objects visible to the physics

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@7818 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/graphics/lod_node.hpp

@@ -22,6 +22,13 @@
 #include "irrlicht.h"
 using namespace irr;
 
+namespace irr
+{
+    namespace scene
+    {
+        const int ESNT_LOD_NODE = MAKE_IRR_ID('l','o','d','n');
+    }
+}
 
 /**
  * \brief manages smoke particle effects
@@ -54,10 +61,12 @@ public:
     
     void add(int level, scene::ISceneNode* node, bool reparent);
     
+    scene::ISceneNode* getFirstNode() { return m_nodes[0]; }
+    
     virtual void OnRegisterSceneNode();
     virtual void render();
     
-    virtual scene::ESCENE_NODE_TYPE getType() const { return scene::ESNT_DUMMY_TRANSFORMATION; }
+    virtual scene::ESCENE_NODE_TYPE getType() const { return (scene::ESCENE_NODE_TYPE)scene::ESNT_LOD_NODE; }
 
 };
 

src/graphics/per_camera_node.hpp

@@ -23,6 +23,14 @@
 using namespace irr;
 
 
+namespace irr
+{
+    namespace scene
+    {
+        const int ESNT_PER_CAMERA_NODE = MAKE_IRR_ID('p','c','a','m');
+    }
+}
+        
 /**
  * \brief manages smoke particle effects
  * \ingroup graphics
@@ -58,7 +66,7 @@ public:
     virtual void OnRegisterSceneNode();
     virtual void render();
     
-    virtual scene::ESCENE_NODE_TYPE getType() const { return scene::ESNT_DUMMY_TRANSFORMATION; }
+    virtual scene::ESCENE_NODE_TYPE getType() const { return (scene::ESCENE_NODE_TYPE)scene::ESNT_PER_CAMERA_NODE; }
     
     scene::ISceneNode* getChild() { return m_child; }
 };

src/tracks/track.cpp

@@ -364,6 +364,11 @@ void Track::createPhysicsModel(unsigned int main_track_count)
  */
 void Track::convertTrackToBullet(scene::ISceneNode *node)
 {
+    if (node->getType() == scene::ESNT_LOD_NODE)
+    {
+        node = ((LODNode*)node)->getFirstNode();
+    }
+    
     const core::vector3df &pos   = node->getPosition();
     const core::vector3df &hpr   = node->getRotation();
     const core::vector3df &scale = node->getScale();
@@ -374,6 +379,8 @@ void Track::convertTrackToBullet(scene::ISceneNode *node)
     // water nodes, which only have the material defined in the node,
     // but not in the mesh at all!
     bool is_readonly_material=false;
+    
+    
     switch(node->getType())
     {
         case scene::ESNT_MESH          :
@@ -706,6 +713,8 @@ bool Track::loadMainTrack(const XMLNode &root)
             {
                 full_path = m_root + "/" + group[m].second;
                 
+                // TODO: check whether the mesh contains animations or not, and use a static
+                //       mesh when there are no animations?
                 scene::IAnimatedMesh *a_mesh = irr_driver->getAnimatedMesh(full_path);
                 if(!a_mesh)
                 {