Function ViewportUpdateSmartFollowEntity

src/openrct2/interface/Viewport.cpp:636–677

    }

    void ViewportUpdateSmartFollowEntity(WindowBase* window)
    {
        auto entity = getGameState().entities.TryGetEntity(window->viewportSmartFollowSprite);
        if (entity == nullptr || entity->type == EntityType::null)
        {
            window->viewportSmartFollowSprite = EntityId::GetNull();
            window->viewportTargetSprite = EntityId::GetNull();
            return;
        }

        switch (entity->type)
        {
            case EntityType::vehicle:
                ViewportUpdateSmartFollowVehicle(window);
                break;

            case EntityType::guest:
            {
                auto* guest = entity->as<Guest>();
                if (guest == nullptr)
                {
                    return;
                }
                ViewportUpdateSmartFollowGuest(window, *guest);
                break;
            }
            case EntityType::staff:
            {
                auto* staff = entity->as<Staff>();
                if (staff == nullptr)
                {
                    return;
                }
                ViewportUpdateSmartFollowStaff(window, *staff);
                break;
            }
            default: // All other types don't need any "smart" following; steam particle, duck, money effect, etc.
                window->focus = Focus(window->viewportSmartFollowSprite);
                window->viewportTargetSprite = window->viewportSmartFollowSprite;
                break;
        }
    }

    void ViewportUpdateSmartFollowGuest(WindowBase* window, const Guest& peep)
    {