runtime/rbs_skill_servers/src/moveit_update_planning_scene.cpp
2023-12-05 22:37:28 +03:00

244 lines
8.3 KiB
C++

#include <filesystem>
#include <iostream>
#include <vector>
#include <geometric_shapes/mesh_operations.h>
#include <geometric_shapes/shape_operations.h>
#include <sdf/World.hh>
#include <sdf/sdf.hh>
#include <tinyxml2.h>
#include <rclcpp/rclcpp.hpp>
#include <tf2_ros/buffer.h>
#include <tf2_ros/static_transform_broadcaster.h>
#include <tf2_ros/transform_listener.h>
#include <moveit/planning_scene_interface/planning_scene_interface.h>
#include <moveit_msgs/msg/collision_object.hpp>
#include "rbs_skill_interfaces/srv/planning_scene_object_state.hpp"
#define SERVICE_NAME "update_planning_scene"
#define INIT_SCENE_PARAM_NAME "init_scene"
#define CUSTOM_MODEL_PATH_PARAM_NAME "models_paths"
static geometry_msgs::msg::Pose
pose_from_pose3d(const ignition::math::Pose3d &pose) {
geometry_msgs::msg::Pose result;
auto position = pose.Pos();
result.position.set__x(position.X());
result.position.set__y(position.Y());
result.position.set__z(position.Z());
auto orientation = pose.Rot();
result.orientation.set__x(orientation.X());
result.orientation.set__y(orientation.Y());
result.orientation.set__z(orientation.Z());
result.orientation.set__w(orientation.W());
return result;
}
static std::string
get_correct_mesh_path(const std::string &uri,
const std::vector<std::string> &resources) {
std::string result = "";
std::regex reg(R"((?:model|package)(?:\:\/)(.*))");
std::smatch m;
if (std::regex_match(uri, m, reg)) {
std::string rel_path = m[1];
std::for_each(resources.begin(), resources.end(),
[&result, &rel_path](const std::string &res) {
if (result.empty())
result = std::filesystem::exists(res + rel_path)
? std::string(res + rel_path)
: result;
});
}
return "file://" + result;
}
static moveit_msgs::msg::CollisionObject
get_object(const sdf::Model *model, const std::vector<std::string> &resources) {
moveit_msgs::msg::CollisionObject obj;
obj.header.frame_id = "world";
obj.id = model->Name();
obj.pose = pose_from_pose3d(model->RawPose());
size_t link_count = model->LinkCount();
for (size_t i = 0; i < link_count; ++i) {
auto link = model->LinkByIndex(i);
auto collision = link->CollisionByIndex(0);
auto link_pose = pose_from_pose3d(link->RawPose());
auto geometry = collision->Geom();
switch (geometry->Type()) {
case sdf::GeometryType::MESH: {
auto path =
get_correct_mesh_path(geometry->MeshShape()->Uri(), resources);
shapes::Mesh *m = shapes::createMeshFromResource(
!path.empty() ? path : geometry->MeshShape()->Uri());
auto scale = geometry->MeshShape()->Scale().X();
m->scale(scale);
Eigen::Vector3d centroid = {0, 0, 0};
for (size_t i = 0; i < 3 * m->vertex_count; i += 3) {
const auto x = m->vertices[i];
const auto y = m->vertices[i + 1];
const auto z = m->vertices[i + 2];
centroid.x() += x * (1 - scale);
centroid.y() += y * (1 - scale);
centroid.z() += z * (1 - scale);
}
centroid = centroid / m->vertex_count;
for (size_t i = 0; i < 3 * m->vertex_count; i += 3) {
m->vertices[i] -= centroid.x();
m->vertices[i + 1] -= centroid.y();
m->vertices[i + 2] -= centroid.z();
}
shape_msgs::msg::Mesh mesh;
shapes::ShapeMsg m_msg;
shapes::constructMsgFromShape(m, m_msg);
mesh = boost::get<shape_msgs::msg::Mesh>(m_msg);
obj.meshes.push_back(mesh);
obj.mesh_poses.push_back(link_pose);
break;
}
case sdf::GeometryType::BOX: {
auto sdf_box = geometry->BoxShape();
shape_msgs::msg::SolidPrimitive box;
box.type = shape_msgs::msg::SolidPrimitive::BOX;
auto sdf_box_size = sdf_box->Size();
box.dimensions.push_back(sdf_box_size.X());
box.dimensions.push_back(sdf_box_size.Y());
box.dimensions.push_back(sdf_box_size.Z());
obj.primitives.push_back(box);
obj.primitive_poses.push_back(link_pose);
break;
}
case sdf::GeometryType::PLANE: {
auto sdf_plane = geometry->PlaneShape();
shape_msgs::msg::Plane plane;
auto normal = sdf_plane->Normal();
plane.coef[0] = normal.X();
plane.coef[1] = normal.Y();
plane.coef[2] = normal.Z();
obj.planes.push_back(plane);
obj.plane_poses.push_back(link_pose);
break;
}
case sdf::GeometryType::EMPTY:
case sdf::GeometryType::CYLINDER:
case sdf::GeometryType::SPHERE:
case sdf::GeometryType::HEIGHTMAP:
case sdf::GeometryType::CAPSULE:
case sdf::GeometryType::ELLIPSOID:
case sdf::GeometryType::POLYLINE:
break;
}
}
return obj;
}
static std::vector<moveit_msgs::msg::CollisionObject>
get_objects(const sdf::World *world, const std::string &model_resources) {
std::vector<std::string> resources;
std::regex reg("\\:+");
std::sregex_token_iterator begin(model_resources.begin(),
model_resources.end(), reg, -1),
end;
std::copy(++begin, end, std::back_inserter(resources));
std::vector<moveit_msgs::msg::CollisionObject> result;
auto models_count = world->ModelCount();
for (size_t i = 0; i < models_count; ++i) {
try {
auto model = world->ModelByIndex(i);
result.push_back(get_object(model, resources));
} catch (std::exception &ex) {
std::cerr << ex.what() << std::endl;
}
}
return result;
}
class UpdatePlanningSceneServer : public rclcpp::Node {
public:
UpdatePlanningSceneServer(rclcpp::NodeOptions options)
: Node("update_planning_scene_node",
options.allow_undeclared_parameters(true)
.automatically_declare_parameters_from_overrides(true)) {
std::string scene = get_parameter(INIT_SCENE_PARAM_NAME).as_string();
std::string model_resources =
get_parameter(CUSTOM_MODEL_PATH_PARAM_NAME).as_string();
if (!scene.empty()) {
RCLCPP_INFO(get_logger(), "Init scene from file: %s", scene.c_str());
init_scene(scene, model_resources);
}
service_ =
create_service<rbs_skill_interfaces::srv::PlanningSceneObjectState>(
SERVICE_NAME,
std::bind(&UpdatePlanningSceneServer::callback, this,
std::placeholders::_1, std::placeholders::_2));
}
bool init_scene(const std::string &init_scene,
const std::string &model_resources) {
sdf::Root root;
sdf::ParserConfig config;
config.AddURIPath("package://", model_resources);
config.AddURIPath("model://", model_resources);
sdf::Errors errors = root.Load(init_scene, config);
if (!errors.empty()) {
for (auto const &e : errors)
RCLCPP_ERROR(get_logger(), "%s", e.Message().c_str());
return false;
}
auto world = root.WorldByIndex(0);
auto objects = get_objects(world, model_resources);
planning_scene_.applyCollisionObjects(objects);
return true;
}
void
callback(std::shared_ptr<
rbs_skill_interfaces::srv::PlanningSceneObjectState::Request>
request,
std::shared_ptr<
rbs_skill_interfaces::srv::PlanningSceneObjectState::Response>
response) {
auto state =
static_cast<UpdatePlanningSceneRequestState>(request->req_kind);
moveit_msgs::msg::CollisionObject obj;
obj.id = request->frame_name;
switch (state) {
case ADD:
case UPDATE:
obj.meshes.resize(1);
obj.mesh_poses.resize(1);
obj.operation = state == ADD ? moveit_msgs::msg::CollisionObject::ADD
: moveit_msgs::msg::CollisionObject::MOVE;
obj.meshes.at(0) = std::move(request->mesh);
obj.mesh_poses.at(0) = std::move(request->pose.pose);
break;
case REMOVE:
obj.operation = moveit_msgs::msg::CollisionObject::REMOVE;
break;
}
response->call_status = planning_scene_.applyCollisionObject(obj);
}
private:
enum UpdatePlanningSceneRequestState { ADD = 0, REMOVE = 1, UPDATE = 2 };
rclcpp::Service<
rbs_skill_interfaces::srv::PlanningSceneObjectState>::SharedPtr service_;
moveit::planning_interface::PlanningSceneInterface planning_scene_;
};
#include "rclcpp_components/register_node_macro.hpp"
RCLCPP_COMPONENTS_REGISTER_NODE(UpdatePlanningSceneServer);