Breadcrumbs.hh

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/*
 * Copyright (C) 2019 Open Source Robotics Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */
#ifndef GZ_GAZEBO_SYSTEMS_BREADCRUMBS_HH_
#define GZ_GAZEBO_SYSTEMS_BREADCRUMBS_HH_
 
#include <memory>
#include <optional>
#include <set>
#include <string>
#include <unordered_map>
#include <vector>
 
#include <sdf/Element.hh>
#include <sdf/Geometry.hh>
#include <sdf/Root.hh>
 
#include <gz/transport/Node.hh>
#include <gz/math/Pose3.hh>
 
#include "gz/sim/Model.hh"
#include "gz/sim/SdfEntityCreator.hh"
#include "gz/sim/System.hh"
 
namespace ignition
{
namespace gazebo
{
// Inline bracket to help doxygen filtering.
inline namespace IGNITION_GAZEBO_VERSION_NAMESPACE {
namespace systems
{
  class Breadcrumbs
      : public System,
        public ISystemConfigure,
        public ISystemPreUpdate
  {
    public: Breadcrumbs() = default;
 
    // Documentation inherited
    public: void Configure(const Entity &_entity,
                           const std::shared_ptr<const sdf::Element> &_sdf,
                           EntityComponentManager &_ecm,
                           EventManager &_eventMgr) override;
 
    // Documentation inherited
    public: void PreUpdate(
                const gz::sim::UpdateInfo &_info,
                gz::sim::EntityComponentManager &_ecm) override;
 
    private: void OnDeploy(const msgs::Empty &_msg);
 
    public: bool MakeStatic(Entity _entity, EntityComponentManager &_ecm);
 
    private: bool initialized{false};
 
    private: transport::Node node;
 
    private: Model model{kNullEntity};
 
    private: Entity worldEntity{kNullEntity};
 
    public: std::unique_ptr<SdfEntityCreator> creator{nullptr};
 
    private: int maxDeployments{-1};
 
    private: int numDeployments{0};
 
    private: sdf::Root modelRoot;
 
    private: bool isPerformer{false};
 
    private: bool allowRenaming{false};
 
    private: std::optional<sdf::Geometry> performerGeometry;
 
    private: std::vector<bool> pendingCmds;
 
    private: std::set<Entity> pendingGeometryUpdate;
 
    private: std::mutex pendingCmdsMutex;
 
    private: std::chrono::steady_clock::duration disablePhysicsTime =
        std::chrono::steady_clock::duration::zero();
 
    private: std::unordered_map<Entity, std::chrono::steady_clock::duration>
        autoStaticEntities;
 
    private: sdf::Model staticModelToSpawn;
 
    public: transport::Node::Publisher remainingPub;
 
    public: bool topicStatistics{false};
 
    public: std::string topic;
  };
  }
}
}
}
 
#endif