For some reason, PerCameraNode is acting up in single-player mode, so only use it for rain in multiplayer mode. Fixes rain

git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@7734 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/graphics/per_camera_node.cpp

@@ -57,14 +57,17 @@ PerCameraNode::~PerCameraNode()
 void PerCameraNode::render()
 {
     scene::ICameraSceneNode* curr_cam = irr_driver->getSceneManager()->getActiveCamera();
-
+    
     // Only register children nodes if the right camera is in use
     if (curr_cam == m_camera) ISceneNode::OnRegisterSceneNode();
 }
 
 void PerCameraNode::OnRegisterSceneNode()
 {
-    irr_driver->getSceneManager()->registerNodeForRendering(this, scene::ESNRP_CAMERA);
+    if (m_camera == NULL)
+        ISceneNode::OnRegisterSceneNode();
+    else
+        irr_driver->getSceneManager()->registerNodeForRendering(this, scene::ESNRP_CAMERA);
 }
 
 void PerCameraNode::setCamera(scene::ICameraSceneNode* camera)

src/karts/kart.cpp

@@ -1036,7 +1036,8 @@ void Kart::setCamera(Camera *camera)
     m_camera->getCameraSceneNode()->setName((m_kart_properties->getIdent() + "'s camera").c_str());
 #endif
     
-    if (m_rain)
+    // Handle camera-specific nodes for now if in multiplayer
+    if (m_rain && race_manager->getNumLocalPlayers() > 1)
     {
         m_rain->setCamera( camera->getCameraSceneNode() );
     }
@@ -1597,7 +1598,8 @@ void Kart::loadData(RaceManager::KartType type, Track* track, bool animatedModel
     
     if (UserConfigParams::m_weather_effects && track->getWeatherType() == WEATHER_RAIN && type == RaceManager::KT_PLAYER)
     {
-        m_rain = new Rain((m_camera != NULL ? m_camera->getCameraSceneNode() : NULL), NULL);
+        // camera not yet available at this point
+        m_rain = new Rain(NULL, NULL);
     }
         
     Vec3 position(0, getKartHeight()*0.35f, -getKartLength()*0.35f);