Function removeBuildingElement

src/OpenLoco/src/Map/TileManager.cpp:1120–1160

0x0042D8FF

    // 0x0042D8FF
    void removeBuildingElement(BuildingElement& elBuilding, const World::Pos2& pos)
    {
        if (!elBuilding.isGhost() && !elBuilding.isAiAllocated())
        {
            if (GameCommands::getUpdatingCompanyId() != CompanyId::neutral)
            {
                createDestructExplosion(World::Pos3(pos.x + 16, pos.y + 16, elBuilding.baseHeight()));
            }
        }

        if (elBuilding.sequenceIndex() == 0)
        {
            if (!elBuilding.isGhost())
            {
                auto* buildingObj = elBuilding.getObject();
                if (buildingObj != nullptr)
                {
                    if (!buildingObj->hasFlags(BuildingObjectFlags::miscBuilding))
                    {
                        auto buildingCapacity = -buildingObj->producedQuantity[0];
                        auto removedPopulation = buildingCapacity;
                        if (!elBuilding.isConstructed())
                        {
                            removedPopulation = 0;
                        }
                        auto ratingReduction = buildingObj->demolishRatingReduction;
                        auto* town = TownManager::updateTownInfo(pos, removedPopulation, buildingCapacity, ratingReduction, -1);
                        if (town != nullptr)
                        {
                            if (buildingObj->townAmenityCategory != TownAmenityCategory::none)
                            {
                                town->amenityCounts[enumValue(buildingObj->townAmenityCategory)] -= 1;
                            }
                        }
                    }
                }
            }
        }
        Ui::ViewportManager::invalidate(pos, elBuilding.baseHeight(), elBuilding.clearHeight(), ZoomLevel::eighth);
        TileManager::removeElement(*reinterpret_cast<TileElement*>(&elBuilding));
    }

    // 0x004C482B
    void removeAllWallsOnTileAbove(const World::TilePos2& pos, SmallZ baseZ)