Function FootpathGetElement

src/openrct2/world/Footpath.cpp:364–397

    }

    static TileElement* FootpathGetElement(const CoordsXYRangedZ& footpathPos, int32_t direction)
    {
        TileElement* tileElement = MapGetFirstElementAt(footpathPos);
        if (tileElement == nullptr)
            return nullptr;
        do
        {
            if (tileElement->getType() != TileElementType::Path)
                continue;

            if (footpathPos.clearanceZ == tileElement->getBaseZ())
            {
                if (tileElement->asPath()->IsSloped())
                {
                    auto slope = tileElement->asPath()->GetSlopeDirection();
                    if (slope != direction)
                        break;
                }
                return tileElement;
            }
            if (footpathPos.baseZ == tileElement->getBaseZ())
            {
                if (!tileElement->asPath()->IsSloped())
                    break;

                auto slope = DirectionReverse(tileElement->asPath()->GetSlopeDirection());
                if (slope != direction)
                    break;

                return tileElement;
            }
        } while (!(tileElement++)->isLastForTile());
        return nullptr;
    }

    /**
     * Attempt to connect a newly disconnected queue tile to the specified path tile