Method previewAddBiomeRegion

source/game/StarWorldLayout.cpp:490–509

}

List<RectI> WorldLayout::previewAddBiomeRegion(Vec2I const& position, int width) const {
  auto layerAndCell = findLayerAndCell(position[0], position[1]);
  auto targetLayer = m_layers[layerAndCell.first];
  auto targetRegion = targetLayer.cells[layerAndCell.second];

  int insertX = position[0] > 0 ? position[0] : 1;

  // need a dummy region to expand
  std::shared_ptr<WorldRegion> dummyRegion;

  targetLayer.boundaries.insertAt(layerAndCell.second, insertX);
  targetLayer.cells.insertAt(layerAndCell.second, dummyRegion);

  targetLayer.boundaries.insertAt(layerAndCell.second, insertX - 1);
  targetLayer.cells.insertAt(layerAndCell.second, targetRegion);

  auto expandResult = expandRegionInLayer(targetLayer, layerAndCell.second + 1, width);

  return expandResult.second;
}

List<RectI> WorldLayout::previewExpandBiomeRegion(Vec2I const& position, int width) const {
  auto layerAndCell = findLayerAndCell(position[0], position[1]);