public void convertToPolygons(int xSize, int ySize, int zSize, boolean fillEmpty) {
BlockRenderHelper brh = new BlockRenderHelper(xSize, ySize, zSize);
brh.convertBlocksToPolygons(renderInfo, this, fillEmpty);
}
public void convertToPolygons() {
BlockRenderHelper brh = new BlockRenderHelper();
brh.convertBlocksToPolygons(renderInfo, this, false);
}