CarlaCollisionPublisher.cpp

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// Copyright (c) 2026 Computer Vision Center (CVC) at the Universitat Autonoma
// de Barcelona (UAB).
//
// This work is licensed under the terms of the MIT license.
// For a copy, see <https://opensource.org/licenses/MIT>.
 
#include "carla/ros2/publishers/CarlaCollisionPublisher.h"
 
#include "carla/Logging.h"
#include "carla/ros2/publishers/PublisherImpl.h"
#include "carla/ros2/types/msg/CarlaCollisionEvent.h"
 
namespace carla {
namespace ros2 {
 
struct CarlaCollisionMsgTraits {
  using msg_type = msg::CarlaCollisionEvent;
};
 
CarlaCollisionPublisher::CarlaCollisionPublisher(
    std::string base_topic_name, std::string frame_id)
  : BasePublisher(std::move(base_topic_name), std::move(frame_id)),
    _impl(std::make_shared<PublisherImpl<CarlaCollisionMsgTraits>>()) {
  if (!_impl->Init(GetBaseTopicName())) {
    log_error("CarlaCollisionPublisher: failed to initialise writer for", GetBaseTopicName());
  }
}
 
CarlaCollisionPublisher::~CarlaCollisionPublisher() = default;
 
bool CarlaCollisionPublisher::Publish() {
  return _impl->Publish();
}
 
bool CarlaCollisionPublisher::Write(
    std::int32_t seconds,
    std::uint32_t nanoseconds,
    std::uint32_t other_actor_id,
    float impulse_x,
    float impulse_y,
    float impulse_z) {
  auto *message = _impl->GetMessage();
  message->header.stamp.sec = seconds;
  message->header.stamp.nanosec = nanoseconds;
  message->header.frame_id = GetFrameId();
 
  message->other_actor_id = other_actor_id;
  message->normal_impulse.x = impulse_x;
  message->normal_impulse.y = impulse_y;
  message->normal_impulse.z = impulse_z;
  return true;
}
 
}  // namespace ros2
}  // namespace carla