Function clearFunction

src/OpenLoco/src/Map/TreeElement.cpp:31–78

0x004BDA17

    };
    // 0x004BDA17
    static TileClearance::ClearFuncResult clearFunction(World::TileElement& el, bool& noTrees)
    {
        if (el.isAiAllocated() || el.isGhost())
        {
            return TileClearance::ClearFuncResult::noCollision;
        }
        switch (el.type())
        {
            case ElementType::tree:
            case ElementType::building:
            case ElementType::industry:
                break;

            case ElementType::road:
            {
                auto* elRoad = el.as<RoadElement>();
                if (elRoad != nullptr)
                {
                    if (elRoad->hasBridge())
                    {
                        noTrees = true;
                    }
                }
                break;
            }
            case ElementType::track:
            {
                auto* elTrack = el.as<TrackElement>();
                if (elTrack != nullptr)
                {
                    if (elTrack->hasBridge())
                    {
                        noTrees = true;
                    }
                }
                break;
            }

            case ElementType::signal:
            case ElementType::station:
            case ElementType::surface:
            case ElementType::wall:
                noTrees = true;
                break;
        }

        return TileClearance::ClearFuncResult::noCollision;
    }

    // 0x004BD64A
    static bool hasObstructionsTooNear(World::Pos2 loc, uint8_t quadrant, uint8_t baseZ, uint8_t clearZ)