Nav2 Navigation Stack - jazzy  jazzy
ROS 2 Navigation Stack
goal_updated_condition.hpp
1 // Copyright (c) 2020 Aitor Miguel Blanco
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef NAV2_BEHAVIOR_TREE__PLUGINS__CONDITION__GOAL_UPDATED_CONDITION_HPP_
16 #define NAV2_BEHAVIOR_TREE__PLUGINS__CONDITION__GOAL_UPDATED_CONDITION_HPP_
17 
18 #include <string>
19 #include <vector>
20 
21 #include "behaviortree_cpp/condition_node.h"
22 #include "geometry_msgs/msg/pose_stamped.hpp"
23 #include "nav2_behavior_tree/bt_utils.hpp"
24 
25 namespace nav2_behavior_tree
26 {
27 
32 class GoalUpdatedCondition : public BT::ConditionNode
33 {
34 public:
41  const std::string & condition_name,
42  const BT::NodeConfiguration & conf);
43 
44  GoalUpdatedCondition() = delete;
45 
50  BT::NodeStatus tick() override;
51 
56  static BT::PortsList providedPorts()
57  {
58  return {
59  BT::InputPort<std::vector<geometry_msgs::msg::PoseStamped>>(
60  "goals", "Vector of navigation goals"),
61  BT::InputPort<geometry_msgs::msg::PoseStamped>(
62  "goal", "Navigation goal"),
63  };
64  }
65 
66 private:
67  geometry_msgs::msg::PoseStamped goal_;
68  std::vector<geometry_msgs::msg::PoseStamped> goals_;
69 };
70 
71 } // namespace nav2_behavior_tree
72 
73 #endif // NAV2_BEHAVIOR_TREE__PLUGINS__CONDITION__GOAL_UPDATED_CONDITION_HPP_
A BT::ConditionNode that returns SUCCESS when goal is updated on the blackboard and FAILURE otherwise...
BT::NodeStatus tick() override
The main override required by a BT action.
static BT::PortsList providedPorts()
Creates list of BT ports.