Function GameProcessCameraQuery

Engine/source/T3D/gameFunctions.cpp:338–419

#endif

bool GameProcessCameraQuery(CameraQuery *query)
{
   GameConnection* connection = GameConnection::getConnectionToServer();

   if (connection && connection->getControlCameraTransform(0.032f, &query->cameraMatrix))
   {
      query->object = dynamic_cast<GameBase*>(connection->getCameraObject());
      query->nearPlane = gClientSceneGraph->getNearClip();

      // Scale the normal visible distance by the performance 
      // tuning scale which we never let over 1.
      CameraAndFOV::sVisDistanceScale = mClampF( CameraAndFOV::sVisDistanceScale, 0.01f, 1.0f );
      query->farPlane = gClientSceneGraph->getVisibleDistance() * CameraAndFOV::sVisDistanceScale;

      // Provide some default values
      query->stereoTargets[0] = 0;
      query->stereoTargets[1] = 0;
      query->eyeOffset[0] = Point3F::Zero;
      query->eyeOffset[1] = Point3F::Zero;
      query->hasFovPort = false;
      query->hasStereoTargets = false;
      query->displayDevice = NULL;
      
      F32 cameraFov = 0.0f;
      bool fovSet = false;

      // Try to use the connection's display deivce, if any, but only if the editor
      // is not open
      if(!gEditingMission && connection->hasDisplayDevice())
      {
         IDisplayDevice* display = connection->getDisplayDevice();

         query->displayDevice = display;

         // Note: all eye values are invalid until this is called
         display->setDrawCanvas(query->drawCanvas);

         display->setCurrentConnection(connection);

         // Display may activate AFTER so we need to call this again just in case
         display->onStartFrame();

         // The connection's display device may want to set the eye offset
         if(display->providesEyeOffsets())
         {
            display->getEyeOffsets(query->eyeOffset);
         }

         // Grab field of view for both eyes
         if (display->providesFovPorts())
         {
            display->getFovPorts(query->fovPort);
            fovSet = true;
            query->hasFovPort = true;
         }
         
         // Grab the latest overriding render view transforms
         connection->getControlCameraEyeTransforms(display, query->eyeTransforms);