mirror of
https://github.com/OpenSpace/OpenSpace.git
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97 lines
4.1 KiB
C++
97 lines
4.1 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2024 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#include <modules/server/include/topics/cameratopic.h>
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#include <modules/globebrowsing/globebrowsingmodule.h>
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#include <modules/server/include/connection.h>
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#include <modules/server/servermodule.h>
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#include <openspace/engine/moduleengine.h>
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#include <openspace/engine/globals.h>
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#include <openspace/properties/property.h>
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#include <openspace/util/distanceconversion.h>
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#include <ghoul/logging/logmanager.h>
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namespace {
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constexpr std::string_view SubscribeEvent = "start_subscription";
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} // namespace
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using nlohmann::json;
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namespace openspace {
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CameraTopic::CameraTopic()
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: _lastUpdateTime(std::chrono::system_clock::now())
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{}
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CameraTopic::~CameraTopic() {
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if (_dataCallbackHandle != UnsetOnChangeHandle) {
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ServerModule* module = global::moduleEngine->module<ServerModule>();
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if (module) {
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module->removePreSyncCallback(_dataCallbackHandle);
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}
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}
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}
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bool CameraTopic::isDone() const {
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return _isDone;
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}
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void CameraTopic::handleJson(const nlohmann::json& json) {
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const std::string event = json.at("event").get<std::string>();
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if (event != SubscribeEvent) {
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_isDone = true;
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return;
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}
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ServerModule* module = global::moduleEngine->module<ServerModule>();
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_dataCallbackHandle = module->addPreSyncCallback(
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[this]() {
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const auto now = std::chrono::system_clock::now();
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if (now - _lastUpdateTime > _cameraPositionUpdateTime) {
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sendCameraData();
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_lastUpdateTime = std::chrono::system_clock::now();
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}
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}
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);
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}
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void CameraTopic::sendCameraData() {
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GlobeBrowsingModule* module = global::moduleEngine->module<GlobeBrowsingModule>();
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glm::dvec3 position = module->geoPosition();
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std::pair<double, std::string_view> altSimplified = simplifyDistance(position.z);
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const nlohmann::json jsonData = {
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{ "latitude", position.x },
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{ "longitude", position.y },
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{ "altitude", altSimplified.first },
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{ "altitudeUnit", altSimplified.second }
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};
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_connection->sendJson(wrappedPayload(jsonData));
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}
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} // namespace openspace
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