Function insertElementPrepareDest

src/OpenLoco/src/Map/TileManager.cpp:231–247

    }

    static std::pair<TileElement*, TileElement*> insertElementPrepareDest(const TilePos2 pos)
    {
        const auto index = getTileIndex(pos);
        if (index >= _tiles.size())
        {
            Logging::error("Attempted to get tile out of bounds! ({0}, {1})", pos.x, pos.y);
            return std::make_pair(nullptr, nullptr);
        }

        auto* source = _tiles[index];
        // _elementsEnd points to the free space at the end of the
        // tile elements. You must always check there is space (checkFreeElementsAndReorganise)
        // prior to calling this function!
        auto* dest = &_elements[_elementsEnd];
        set(pos, dest);
        return std::make_pair(source, dest);
    }

    static TileElement* insertElementEnd(ElementType type, uint8_t baseZ, uint8_t occupiedQuads, TileElement* source, TileElement* dest, bool lastFound)
    {