Direction.cpp

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// Copyright 2015 Sensics, Inc.
//
// 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.

// Internal Includes
#include <osvr/ClientKit/Context.h>
#include <osvr/ClientKit/Interface.h>
#include <osvr/Util/ClientReportTypesC.h>

// Library/third-party includes

// Standard includes
#include <iostream>
#include <string>

void printDirectionReport(const OSVR_DirectionReport *report) {

    std::cout << report->direction.data[0] << "; " << report->direction.data[1]
              << "; " << report->direction.data[2] << "\t" << std::endl;
}

void directionCallback(void * /*userdata*/,
                       const OSVR_TimeValue * /*timestamp*/,
                       const OSVR_DirectionReport *report) {
    std::cout << "Got 3D direction Report, for sensor #" << report->sensor
              << std::endl;
    printDirectionReport(report);
}

int main() {
    osvr::clientkit::ClientContext context(
        "com.osvr.exampleclients.DirectionCallback");

    osvr::clientkit::Interface direction =
        context.getInterface("/com_osvr_Multi/Location2D/direction");

    direction.registerCallback(&directionCallback, NULL);

    // Pretend that this is your application's mainloop.
    while (1) {
        context.update();
    }

    std::cout << "Library shut down, exiting." << std::endl;
    return 0;
}