//  the tile selection
        Info("Tiles selected from " << startTile << " to " << endTile);

        // Disable auto-updates until we're done making all our changes
        _terrain->setAutoUpdate(false);

        // Now, set tiles selected - only on the starting z-level for now.
        for(Real x = Math::Min(startTile[0], endTile[0]); x <= Math::Max(startTile[0], endTile[0]); x++) {

            for(Real y = Math::Min(startTile[1], endTile[1]); y <= Math::Max(startTile[1], endTile[1]); y++) {
                Info("Marking " << x << " " << y << " " << startTile[2] << " as selected");

                // FIXME: to-implement pseudo-code
                // if(!Tile.empty? and Tile.is_visible?) {
                // Add tile to selection
                Vector3 toAdd(x, y, startTile[2]);
                _selection->append(toAdd);
                // Mark tile to display as selected
                // FIXME: this currently isn't being removed anywhere
                if(!_terrain->isTileEmpty(x, y, startTile[2])) {
                    _terrain->setTileProperty(x, y, startTile[2], SELECTED, PropertyType(true));
                }
            }
        }

        // Re-enable auto-updates
        _terrain->setAutoUpdate(true);