message: Use MapCoordinate copy constructor
diff: @@ -83,7 +83,7 @@ GraphWalker::GraphWalker(const MapCoordinate& position, TileMap& tileMap, TileLi
  mTileMap{tileMap},
  mThisTile{tileMap.getTile(position)},
  mTileList{tileList},
  - mPosition{position.xy, position.z}
  + mPosition{position}
  {
  walkGraph();
  }
  