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#lockdown Nick.Penwarden (Will update with full description tomorrow) [CL 2984534 by Matthew Griffin in Main branch]
100 lines
3.6 KiB
C++
100 lines
3.6 KiB
C++
/** @file
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@brief Header
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@date 2015
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@author
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Sensics, Inc.
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<http://sensics.com/osvr>
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*/
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// Copyright 2015 Sensics, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef INCLUDED_TrackerSensorInfo_h_GUID_AEDB8ECA_7CAC_4A84_ACAB_CF05A681B260
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#define INCLUDED_TrackerSensorInfo_h_GUID_AEDB8ECA_7CAC_4A84_ACAB_CF05A681B260
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// Internal Includes
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#include <osvr/Common/OriginalSource.h>
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#include <osvr/Common/PathElementTypes.h>
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// Library/third-party includes
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#include <boost/assert.hpp>
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// Standard includes
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// - none
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namespace osvr {
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namespace common {
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/// fully-resolved data about a tracker sensor. Defaults per the schema.
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struct TrackerSensorInfo {
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bool reportsPosition = true;
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bool reportsOrientation = true;
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bool reportsLinearVelocity = false;
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bool reportsAngularVelocity = false;
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bool reportsLinearAcceleration = false;
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bool reportsAngularAcceleration = false;
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};
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/// Given a fully-parsed tracker source, determines what messages and
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/// subsets thereof it reports.
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inline TrackerSensorInfo
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getTrackerSensorInfo(OriginalSource const &source) {
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BOOST_ASSERT_MSG(
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source.isResolved(),
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"Can't pass an unresolved source to getTrackerSensorInfo!");
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BOOST_ASSERT_MSG(
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source.getInterfaceName() == "tracker",
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"Can't pass a non-tracker source to getTrackerSensorInfo!");
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auto &devDescriptor =
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source.getDeviceElement().getDescriptor()["interfaces"]["tracker"];
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/// Get the named value from the object, using the given value reference
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/// as both a default value and a destination.
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auto getBool = [](Json::Value const &root, const char key[],
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bool &val) { val = root.get(key, val).asBool(); };
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auto setupFromJson = [&getBool](TrackerSensorInfo &info,
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Json::Value const &root) {
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if (root.isNull()) {
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return;
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}
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getBool(root, "position", info.reportsPosition);
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getBool(root, "orientation", info.reportsOrientation);
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getBool(root, "linearVelocity", info.reportsLinearVelocity);
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getBool(root, "angularVelocity", info.reportsAngularVelocity);
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getBool(root, "linearAcceleration", info.reportsLinearAcceleration);
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getBool(root, "angularAcceleration",
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info.reportsAngularAcceleration);
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};
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TrackerSensorInfo ret;
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/// First see if there are device-global properties
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setupFromJson(ret, devDescriptor);
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/// Now check for a traits array - overrides device-global propertes
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auto sensor = source.getSensorNumber();
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if (sensor) {
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setupFromJson(ret, devDescriptor["traits"][*sensor]);
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}
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/// @todo Apply modifications based on transforms.
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/// translation causes report of position in orientation trackers, etc.
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return ret;
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}
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} // namespace common
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} // namespace osvr
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#endif // INCLUDED_TrackerSensorInfo_h_GUID_AEDB8ECA_7CAC_4A84_ACAB_CF05A681B260
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