Method doApplyTileModifications

source/game/StarWorldServer.cpp:1478–1615

}

TileModificationList WorldServer::doApplyTileModifications(TileModificationList const& modificationList, bool allowEntityOverlap, bool ignoreTileProtection, bool updateNeighbors) {
  auto materialDatabase = Root::singleton().materialDatabase();

  TileModificationList unapplied = modificationList;
  size_t unappliedSize = unapplied.size();
  auto it = makeSMutableIterator(unapplied);
  while (it.hasNext()) {
    Vec2I pos;
    TileModification modification;
    std::tie(pos, modification) = it.next();

    if (!ignoreTileProtection && isTileProtected(pos))
      continue;

    if (auto placeMaterial = modification.ptr<PlaceMaterial>()) {
      bool allowTileOverlap = placeMaterial->collisionOverride != TileCollisionOverride::None && collisionKindFromOverride(placeMaterial->collisionOverride) < CollisionKind::Dynamic;
      if (!WorldImpl::canPlaceMaterial(m_entityMap, pos, placeMaterial->layer, placeMaterial->material, allowEntityOverlap, allowTileOverlap, m_tileGetterFunction))
        continue;

      ServerTile* tile = m_tileArray->modifyTile(pos);
      if (!tile)
        continue;

      if (placeMaterial->layer == TileLayer::Background) {
        tile->background = placeMaterial->material;
        if (placeMaterial->materialHueShift)
          tile->backgroundHueShift = *placeMaterial->materialHueShift;
        else
          tile->backgroundHueShift = m_worldTemplate->biomeMaterialHueShift(tile->blockBiomeIndex, placeMaterial->material);

        tile->backgroundColorVariant = DefaultMaterialColorVariant;
        if (tile->background == EmptyMaterialId) {
          // Remove the background mod if removing the background.
          tile->backgroundMod = NoModId;
        } else if (tile->liquid.source) {
          tile->liquid.pressure = 1.0f;
          tile->liquid.source = false;
        }
      } else {
        tile->foreground = placeMaterial->material;
        if (placeMaterial->materialHueShift)
          tile->foregroundHueShift = *placeMaterial->materialHueShift;
        else
          tile->foregroundHueShift = m_worldTemplate->biomeMaterialHueShift(tile->blockBiomeIndex, placeMaterial->material);

        tile->foregroundColorVariant = DefaultMaterialColorVariant;
        if (placeMaterial->collisionOverride != TileCollisionOverride::None)
          tile->updateCollision(collisionKindFromOverride(placeMaterial->collisionOverride));
        else
          tile->updateCollision(materialDatabase->materialCollisionKind(tile->foreground));
        if (tile->foreground == EmptyMaterialId) {
          // Remove the foreground mod if removing the foreground.
          tile->foregroundMod = NoModId;
        }
        if (materialDatabase->blocksLiquidFlow(tile->foreground))
          tile->liquid = LiquidStore();
      }