Fix kart shadow vs kart animation (for the main player only)

src/karts/kart.cpp

@@ -2316,8 +2316,8 @@ void Kart::updateFlying()
  */
 void Kart::loadData(RaceManager::KartType type, bool is_animated_model)
 {
-
-    m_node = m_kart_model->attachModel(is_animated_model);
+    bool always_animated = (type == RaceManager::KT_PLAYER && race_manager->getNumPlayers() == 1);
+    m_node = m_kart_model->attachModel(is_animated_model, always_animated);
 
 #ifdef DEBUG
     m_node->setName( (getIdent()+"(lod-node)").c_str() );

src/karts/kart_model.cpp

@@ -325,7 +325,7 @@ KartModel* KartModel::makeCopy()
 /** Attach the kart model and wheels to the scene node.
  *  \return the node with the model attached
  */
-scene::ISceneNode* KartModel::attachModel(bool animated_models)
+scene::ISceneNode* KartModel::attachModel(bool animated_models, bool always_animated)
 {
     assert(!m_is_master);
 
@@ -342,10 +342,22 @@ scene::ISceneNode* KartModel::attachModel(bool animated_models)
         // as animated mesh are not cheap to render use frustum box culling
         node->setAutomaticCulling(scene::EAC_FRUSTUM_BOX);
 
-        lod_node->add(20, node, true);
-        scene::ISceneNode* static_model = attachModel(false);
-        lod_node->add(100, static_model, true);
-        m_animated_node = static_cast<scene::IAnimatedMeshSceneNode*>(node);
+        if (always_animated)
+        {
+            // give a huge LOD distance for the player's kart. the reason is that it should
+            // use its animations for the shadow pass too, where the camera can be quite far
+            lod_node->add(10000, node, true);
+            scene::ISceneNode* static_model = attachModel(false, false);
+            lod_node->add(10001, static_model, true);
+            m_animated_node = static_cast<scene::IAnimatedMeshSceneNode*>(node);
+        }
+        else
+        {
+            lod_node->add(20, node, true);
+            scene::ISceneNode* static_model = attachModel(false, false);
+            lod_node->add(100, static_model, true);
+            m_animated_node = static_cast<scene::IAnimatedMeshSceneNode*>(node);
+        }
 
         attachHat();
 
@@ -363,7 +375,7 @@ scene::ISceneNode* KartModel::attachModel(bool animated_models)
         // Become the owner of the wheels
         for(unsigned int i=0; i<4; i++)
         {
-            if(!m_wheel_model[i]) continue;
+            if (!m_wheel_model[i] || !m_wheel_node[i]) continue;
             m_wheel_node[i]->setParent(lod_node);
         }
 

src/karts/kart_model.hpp

@@ -237,7 +237,7 @@ public:
                                             float wheel_radius);
     void          finishedRace();
     scene::ISceneNode*
-                  attachModel(bool animatedModels);
+                  attachModel(bool animatedModels, bool always_animated);
     // ------------------------------------------------------------------------
     /** Returns the animated mesh of this kart model. */
     scene::IAnimatedMesh*

src/states_screens/feature_unlocked.cpp

@@ -330,7 +330,7 @@ void FeatureUnlockedCutScene::init()
             KartModel *kart_model =
                 m_unlocked_stuff[n].m_unlocked_kart->getKartModelCopy();
             m_all_kart_models.push_back(kart_model);
-            m_unlocked_stuff[n].m_root_gift_node = kart_model->attachModel(true);
+            m_unlocked_stuff[n].m_root_gift_node = kart_model->attachModel(true, false);
             kart_model->setAnimation(KartModel::AF_DEFAULT);
             float susp[4]={0,0,0,0};
             kart_model->update(0.0f, 0.0f, 0.0f, susp, 0.0f);

src/states_screens/grand_prix_lose.cpp

@@ -243,7 +243,7 @@ void GrandPrixLose::setKarts(std::vector<std::string> ident_arg)
         {
             KartModel* kart_model = kart->getKartModelCopy();
             m_all_kart_models.push_back(kart_model);
-            scene::ISceneNode* kart_main_node = kart_model->attachModel(false);
+            scene::ISceneNode* kart_main_node = kart_model->attachModel(false, false);
 
             core::vector3df kart_pos(m_kart_x + n*DISTANCE_BETWEEN_KARTS,
                 m_kart_y,

src/states_screens/grand_prix_win.cpp

@@ -355,7 +355,7 @@ void GrandPrixWin::setKarts(const std::string idents_arg[3])
 
         KartModel* kart_model = kp->getKartModelCopy();
         m_all_kart_models.push_back(kart_model);
-        scene::ISceneNode* kart_main_node = kart_model->attachModel(false);
+        scene::ISceneNode* kart_main_node = kart_model->attachModel(false, false);
 
         m_kart_x[i] = KARTS_X + i*KARTS_DELTA_X;
         m_kart_y[i] = INITIAL_Y + KARTS_DELTA_Y;