Project: engagement_recognition License: BSD Dependencies: engagement_msgs engagement_srvs roscpp Used by: None All Packages

engagement_recognition/src/recognition/recognizers/mutual_facial_gaze/mfg_start_state.cpp Go to the documentation of this file. /* * Software License Agreement (BSD License) * * Copyright (c) 2010, Worcester Polytechnic Institute * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials provided * with the distribution. * * Neither the name of Worcester Polytechnic Institute. nor the names * of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ // @author Brett Ponsler (bponsler (at) wpi (dot) edu) #include "mfg_start_state.h" #include "../../events/event_factory.h" #include "../../lib/engagement_params.h" #include "../../objects/engagement_objects.h" MFGStartState::MFGStartState() : State(MFGStartState::type(), "", NULL) { // Set the logger based on this type of recognizer this->setLogger(EngagementParams::getStateTag(MFGStartState::type())); this->warn("Initialized with an invalid actor, and EventSink."); } MFGStartState::MFGStartState(std::string actor, EventSink *sink) : State(MFGStartState::type(), actor, sink) { // Set the logger based on this type of recognizer this->setLogger(sink->getLogger(), EngagementParams::getStateTag(MFGStartState::type())); if (actor == "") this->warn("Initialized with an invalid actor."); } MFGStartState::~MFGStartState() { } Event MFGStartState::received(std::string topic, engagement_srvs::RobotMutualFacialGaze::Request *message) { if (topic == engagement::RECOGNITION_NAMESPACE + "/" + engagement::ROBOT_NAMESPACE + "/" + engagement::RECOG_MUTUAL_FACIAL_GAZE_TOPIC) return this->recogMFGazeCallback(message); return Event(); } Event MFGStartState::received(std::string topic, engagement_msgs::Performance *message) { if (topic == engagement::VISION_NAMESPACE + "/" + engagement::PERFORMING_FACIAL_GAZE_TOPIC) return this->visionFacialGazeCallback(message); return Event(); } Event MFGStartState::recogMFGazeCallback(const engagement_srvs::RobotMutualFacialGaze::Request *msg) { this->debug(25, "Entered %s %s", engagement::RECOGNITION_NAMESPACE.c_str(), engagement::RECOG_MUTUAL_FACIAL_GAZE_TOPIC.c_str()); // Make sure we have a valid message if (msg) { // Grab the message type from the constant pointer engagement_srvs::RobotMutualFacialGaze::Request temp_msg = *msg; // Cast ourselves into a state State *state = (State*)this; // Grab the actor from the state Actor *actor = state->getActor(); // Make sure this message relates to the actor for this recognizer and that // the message flag is TRUE if (actor != NULL && temp_msg.actor.id == actor->getID()) { // Determine if the actor is already looking at the robot's face if (actor->isFacialGaze()) { this->debug(7, "Received %s %s message.", engagement::RECOGNITION_NAMESPACE.c_str(), engagement::RECOG_MUTUAL_FACIAL_GAZE_TOPIC.c_str()); // Create the additional vector with the robot as the initiator std::vector<std::string> additional; additional.push_back("ROBOT"); // Create the shared gaze event, with the additional data return EventFactory::sharedGaze(additional); } else { this->debug(7, "Received %s %s message.", engagement::RECOGNITION_NAMESPACE.c_str(), engagement::RECOG_MUTUAL_FACIAL_GAZE_TOPIC.c_str()); // Create a Robot initiated event return EventFactory::robotInitiated(); } } } return Event(); } Event MFGStartState::visionFacialGazeCallback(const engagement_msgs::Performance *msg) { this->debug(25, "Entered %s %s", engagement::VISION_NAMESPACE.c_str(), engagement::PERFORMING_FACIAL_GAZE_TOPIC.c_str()); // Make sure we have a valid message if (msg) { // Grab the message type from the constant pointer engagement_msgs::Performance temp_msg = *msg; // Cast ourselves into a state State *state = (State*)this; // Grab the actor from the state Actor *actor = state->getActor(); // Make sure this message relates to the actor for this recognizer // and that the facial gaze is starting if (actor != NULL && temp_msg.actor.id == actor->getID() && temp_msg.begin.value == bml_msgs::Flag::BEGIN && objects::isFace(temp_msg.objects, temp_msg.actor.ROBOT)) { this->debug(7, "Received begin %s %s message.", engagement::VISION_NAMESPACE.c_str(), engagement::PERFORMING_FACIAL_GAZE_TOPIC.c_str()); // Success is contingent upon whether the robot is already looking // at the actor's face if (Robot::isFacialGaze(temp_msg.actor.id)) { // Create the additional vector with the human as the initiator std::vector<std::string> additional; additional.push_back("HUMAN"); // Create a shared gaze event, with the additional data return EventFactory::sharedGaze(additional); } else { // Create the human initiated event return EventFactory::humanInitiated(); } } } return Event(); } std::string MFGStartState::type() { return "mfg_start"; }

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engagement_recognition
Author(s): Brett Ponsler (bponsler (at) wpi (dot) edu)
autogenerated on Fri Sep 9 10:35:48 2011