Method init

Engine/source/navigation/navPath.cpp:283–335

}

bool NavPath::init()
{
   mStatus = DT_FAILURE;

   // Check that all the right data is provided.
   if(!mMesh || !mMesh->getNavMesh())
      return false;
   if(!(mFromSet && mToSet) && !(mWaypoints && mWaypoints->size()))
      return false;

   // Initialise our query.
   if(dtStatusFailed(mQuery->init(mMesh->getNavMesh(), MaxPathLen)))
      return false;

   mPoints.clear();
   mFlags.clear();
   mVisitPoints.clear();
   mLength = 0.0f;

   if(isServerObject())
      setMaskBits(PathMask);

   // Add points we need to visit in reverse order.
   if(mWaypoints && mWaypoints->size())
   {
      if(mIsLooping && mFromSet)
         mVisitPoints.push_back(mFrom);
      if(mToSet)
         mVisitPoints.push_front(mTo);
      for(S32 i = mWaypoints->size() - 1; i >= 0; i--)
      {
         SceneObject *s = dynamic_cast<SceneObject*>(mWaypoints->at(i));
         if(s)
         {
            mVisitPoints.push_back(s->getPosition());
            // This is potentially slow, but safe.
            if(!i && mIsLooping && !mFromSet)
               mVisitPoints.push_front(s->getPosition());
         }
      }
      if(mFromSet)
         mVisitPoints.push_back(mFrom);
   }
   else
   {
      if(mIsLooping)
         mVisitPoints.push_back(mFrom);
      mVisitPoints.push_back(mTo);
      mVisitPoints.push_back(mFrom);
   }

   return true;
}

void NavPath::resize()
{