Method updateGrid

Engine/source/terrain/terrData.cpp:635–690

}

void TerrainBlock::updateGrid( const Point2I &minPt, const Point2I &maxPt, bool updateClient )
{
   // On the client we just signal everyone that the height
   // map has changed... the server does the actual changes.
   if ( isClientObject() )
   {
      PROFILE_SCOPE( TerrainBlock_updateGrid_Client );

      // This depends on the client getting this call 'after' the server.
      // Which is currently the case.
      _updateBounds();
      mZoningDirty = true;

      smUpdateSignal.trigger( HeightmapUpdate, this, minPt, maxPt );

      // Tell the terrain cell that the height changed.
      const RectI gridRect( minPt, maxPt - minPt );
      mCell->updateGrid( gridRect );

      // Rebuild the physics representation.
      if ( mPhysicsRep )
      {
         // Delay the update by a few milliseconds so 
         // that we're not rebuilding during an active
         // editing operation.
         mPhysicsRep->queueCallback( 500, Delegate<void()>( this, &TerrainBlock::_updatePhysics ) );
      }

      return;
   }

   // Now on the server we rebuild the 
   // affected area of the grid map.
   mFile->updateGrid( minPt, maxPt );

   // Fix up the bounds.
   _updateBounds();

   // Rebuild the physics representation.
   if ( mPhysicsRep )
   {
      // Delay the update by a few milliseconds so 
      // that we're not rebuilding during an active
      // editing operation.
      mPhysicsRep->queueCallback( 500, Delegate<void()>( this, &TerrainBlock::_updatePhysics ) );
   }

   // Signal again here for any server side observers.
   smUpdateSignal.trigger( HeightmapUpdate, this, minPt, maxPt );

   // If this is a server object and the client update
   // was requested then try to use the local connection
   // pointer to do it.
   if ( updateClient && getClientObject() )
      ((TerrainBlock*)getClientObject())->updateGrid( minPt, maxPt, false );
}

bool TerrainBlock::getHeight( const Point2F &pos, F32 *height ) const