mirror of
https://github.com/OpenSpace/OpenSpace.git
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289 lines
13 KiB
C++
289 lines
13 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2017 *
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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/globebrowsing/globes/renderableglobe.h>
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#include <modules/debugging/rendering/debugrenderer.h>
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#include <modules/globebrowsing/globes/chunkedlodglobe.h>
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#include <modules/globebrowsing/globes/pointglobe.h>
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#include <modules/globebrowsing/rendering/layer/layermanager.h>
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namespace {
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const char* keyFrame = "Frame";
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const char* keyRadii = "Radii";
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const char* keySegmentsPerPatch = "SegmentsPerPatch";
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const char* keyLayers = "Layers";
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} // namespace
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using namespace openspace::properties;
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namespace openspace::globebrowsing {
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RenderableGlobe::RenderableGlobe(const ghoul::Dictionary& dictionary)
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: _debugProperties({
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BoolProperty({ "SaveOrThrowCamera", "save or throw camera", "" }, false), // @TODO Missing documentation
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BoolProperty({ "ShowChunkEdges", "show chunk edges", "" }, false), // @TODO Missing documentation
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BoolProperty({ "ShowChunkBounds", "show chunk bounds", "" }, false), // @TODO Missing documentation
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BoolProperty({ "ShowChunkAABB", "show chunk AABB", "" }, false), // @TODO Missing documentation
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BoolProperty({ "ShowHeightResolution", "show height resolution", "" }, false), // @TODO Missing documentation
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BoolProperty({ "ShowHeightIntensities", "show height intensities", "" }, false), // @TODO Missing documentation
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BoolProperty({ "PerformFrustumCulling", "perform frustum culling", "" }, true), // @TODO Missing documentation
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BoolProperty({ "PerformHorizonCulling", "perform horizon culling", "" }, true), // @TODO Missing documentation
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BoolProperty({ "LevelByProjectedAreaElseDistance", "level by projected area (else distance)", "" }, true), // @TODO Missing documentation
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BoolProperty({ "ResetTileProviders", "reset tile providers", "" }, false), // @TODO Missing documentation
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BoolProperty({ "ToggleEnabledEveryFrame", "toggle enabled every frame", "" }, false), // @TODO Missing documentation
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BoolProperty({ "CollectStats", "collect stats", "" }, false), // @TODO Missing documentation
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BoolProperty({ "LimitLevelByAvailableData", "Limit level by available data", "" }, true), // @TODO Missing documentation
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IntProperty({ "ModelSpaceRenderingCutoffLevel", "Model Space Rendering Cutoff Level", "" }, 10, 1, 22) // @TODO Missing documentation
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})
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, _generalProperties({
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BoolProperty({ "Enabled", "Enabled", "" }, true), // @TODO Missing documentation
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BoolProperty({ "PerformShading", "perform shading", "" }, true), // @TODO Missing documentation
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BoolProperty({ "Atmosphere", "atmosphere", "" }, false), // @TODO Missing documentation
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BoolProperty({ "UseAccurateNormals", "useAccurateNormals", "" }, false), // @TODO Missing documentation
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FloatProperty({ "LodScaleFactor", "lodScaleFactor", "" }, 10.0f, 1.0f, 50.0f), // @TODO Missing documentation
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FloatProperty({ "CameraMinHeight", "cameraMinHeight", "" }, 100.0f, 0.0f, 1000.0f), // @TODO Missing documentation
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FloatProperty({ "OrenNayarRoughness", "orenNayarRoughness", "" }, 0.0f, 0.0f, 1.0f) // @TODO Missing documentation
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})
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, _debugPropertyOwner("Debug")
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{
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setName("RenderableGlobe");
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dictionary.getValue(keyFrame, _frame);
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// Read the radii in to its own dictionary
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glm::dvec3 radii;
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dictionary.getValue(keyRadii, radii);
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_ellipsoid = Ellipsoid(radii);
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setBoundingSphere(static_cast<float>(_ellipsoid.maximumRadius()));
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// Ghoul can't read ints from lua dictionaries...
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double patchSegmentsd;
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dictionary.getValue(keySegmentsPerPatch, patchSegmentsd);
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int patchSegments = static_cast<int>(patchSegmentsd);
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// Init layer manager
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ghoul::Dictionary layersDictionary;
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if (!dictionary.getValue(keyLayers, layersDictionary)) {
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throw ghoul::RuntimeError(
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std::string(keyLayers) + " must be specified specified!");
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}
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_layerManager = std::make_shared<LayerManager>(layersDictionary);
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_chunkedLodGlobe = std::make_shared<ChunkedLodGlobe>(
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*this,
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patchSegments,
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_layerManager
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);
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//_pointGlobe = std::make_shared<PointGlobe>(*this);
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_distanceSwitch.addSwitchValue(_chunkedLodGlobe);
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//_distanceSwitch.addSwitchValue(_pointGlobe);
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addProperty(_generalProperties.isEnabled);
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addProperty(_generalProperties.atmosphereEnabled);
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addProperty(_generalProperties.performShading);
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addProperty(_generalProperties.useAccurateNormals);
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addProperty(_generalProperties.lodScaleFactor);
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addProperty(_generalProperties.cameraMinHeight);
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addProperty(_generalProperties.orenNayarRoughness);
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_debugPropertyOwner.addProperty(_debugProperties.saveOrThrowCamera);
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_debugPropertyOwner.addProperty(_debugProperties.showChunkEdges);
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_debugPropertyOwner.addProperty(_debugProperties.showChunkBounds);
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_debugPropertyOwner.addProperty(_debugProperties.showChunkAABB);
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_debugPropertyOwner.addProperty(_debugProperties.showHeightResolution);
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_debugPropertyOwner.addProperty(_debugProperties.showHeightIntensities);
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_debugPropertyOwner.addProperty(_debugProperties.performFrustumCulling);
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_debugPropertyOwner.addProperty(_debugProperties.performHorizonCulling);
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_debugPropertyOwner.addProperty(
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_debugProperties.levelByProjectedAreaElseDistance
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);
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_debugPropertyOwner.addProperty(_debugProperties.resetTileProviders);
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_debugPropertyOwner.addProperty(_debugProperties.toggleEnabledEveryFrame);
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_debugPropertyOwner.addProperty(_debugProperties.collectStats);
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_debugPropertyOwner.addProperty(_debugProperties.limitLevelByAvailableData);
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_debugPropertyOwner.addProperty(_debugProperties.modelSpaceRenderingCutoffLevel);
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auto notifyShaderRecompilation = [&](){
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_chunkedLodGlobe->notifyShaderRecompilation();
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};
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_generalProperties.atmosphereEnabled.onChange(notifyShaderRecompilation);
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_generalProperties.useAccurateNormals.onChange(notifyShaderRecompilation);
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_generalProperties.performShading.onChange(notifyShaderRecompilation);
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_debugProperties.showChunkEdges.onChange(notifyShaderRecompilation);
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_debugProperties.showHeightResolution.onChange(notifyShaderRecompilation);
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_debugProperties.showHeightIntensities.onChange(notifyShaderRecompilation);
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_layerManager->onChange(notifyShaderRecompilation);
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addPropertySubOwner(_debugPropertyOwner);
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addPropertySubOwner(_layerManager.get());
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//addPropertySubOwner(_pointGlobe.get());
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}
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bool RenderableGlobe::initialize() {
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return _distanceSwitch.initialize();
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}
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bool RenderableGlobe::deinitialize() {
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return _distanceSwitch.deinitialize();
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}
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bool RenderableGlobe::isReady() const {
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return true;
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}
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void RenderableGlobe::render(const RenderData& data, RendererTasks& tasks) {
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bool statsEnabled = _debugProperties.collectStats.value();
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_chunkedLodGlobe->stats.setEnabled(statsEnabled);
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if (_debugProperties.toggleEnabledEveryFrame.value()) {
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_generalProperties.isEnabled.setValue(
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!_generalProperties.isEnabled.value()
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);
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}
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if (_generalProperties.isEnabled.value()) {
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if (_debugProperties.saveOrThrowCamera.value()) {
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_debugProperties.saveOrThrowCamera.setValue(false);
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if (savedCamera() == nullptr) { // save camera
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setSaveCamera(std::make_shared<Camera>(data.camera));
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}
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else { // throw camera
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setSaveCamera(nullptr);
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}
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}
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_distanceSwitch.render(data, tasks);
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}
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if (_savedCamera != nullptr) {
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DebugRenderer::ref().renderCameraFrustum(data, *_savedCamera);
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}
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}
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void RenderableGlobe::update(const UpdateData& data) {
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_time = data.time.j2000Seconds();
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_distanceSwitch.update(data);
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glm::dmat4 translation =
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glm::translate(glm::dmat4(1.0), data.modelTransform.translation);
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glm::dmat4 rotation = glm::dmat4(data.modelTransform.rotation);
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glm::dmat4 scaling =
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glm::scale(glm::dmat4(1.0), glm::dvec3(data.modelTransform.scale,
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data.modelTransform.scale, data.modelTransform.scale));
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_cachedModelTransform = translation * rotation * scaling;
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_cachedInverseModelTransform = glm::inverse(_cachedModelTransform);
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if (_debugProperties.resetTileProviders) {
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_layerManager->reset();
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_debugProperties.resetTileProviders = false;
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}
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_layerManager->update();
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_chunkedLodGlobe->update(data);
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}
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glm::dvec3 RenderableGlobe::projectOnEllipsoid(glm::dvec3 position) {
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return _ellipsoid.geodeticSurfaceProjection(position);
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}
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float RenderableGlobe::getHeight(glm::dvec3 position) {
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if (_chunkedLodGlobe) {
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return _chunkedLodGlobe->getHeight(position);
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}
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else {
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return 0;
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}
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}
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std::shared_ptr<ChunkedLodGlobe> RenderableGlobe::chunkedLodGlobe() const{
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return _chunkedLodGlobe;
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}
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LayerManager* RenderableGlobe::layerManager() const {
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return _layerManager.get();
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}
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const Ellipsoid& RenderableGlobe::ellipsoid() const{
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return _ellipsoid;
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}
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const glm::dmat4& RenderableGlobe::modelTransform() const{
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return _cachedModelTransform;
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}
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const glm::dmat4& RenderableGlobe::inverseModelTransform() const{
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return _cachedInverseModelTransform;
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}
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const RenderableGlobe::DebugProperties&
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RenderableGlobe::debugProperties() const{
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return _debugProperties;
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}
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const RenderableGlobe::GeneralProperties&
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RenderableGlobe::generalProperties() const{
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return _generalProperties;
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}
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const std::shared_ptr<const Camera> RenderableGlobe::savedCamera() const {
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return _savedCamera;
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}
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SurfacePositionHandle RenderableGlobe::calculateSurfacePositionHandle(
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const glm::dvec3& targetModelSpace)
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{
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glm::dvec3 centerToEllipsoidSurface =
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_ellipsoid.geodeticSurfaceProjection(targetModelSpace);
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glm::dvec3 ellipsoidSurfaceToTarget = targetModelSpace - centerToEllipsoidSurface;
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// ellipsoidSurfaceOutDirection will point towards the target, we want the outward
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// direction. Therefore it must be flipped in case the target is under the reference
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// ellipsoid so that it always points outwards
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glm::dvec3 ellipsoidSurfaceOutDirection = glm::normalize(ellipsoidSurfaceToTarget);
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if (glm::dot(ellipsoidSurfaceOutDirection, centerToEllipsoidSurface) < 0) {
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ellipsoidSurfaceOutDirection *= -1.0;
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}
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double heightToSurface = getHeight(targetModelSpace);
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heightToSurface = glm::isnan(heightToSurface) ? 0.0 : heightToSurface;
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centerToEllipsoidSurface = glm::isnan(glm::length(centerToEllipsoidSurface)) ?
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(glm::dvec3(0.0, 1.0, 0.0) * static_cast<double>(boundingSphere())) :
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centerToEllipsoidSurface;
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ellipsoidSurfaceOutDirection = glm::isnan(glm::length(ellipsoidSurfaceOutDirection)) ?
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glm::dvec3(0.0, 1.0, 0.0) : ellipsoidSurfaceOutDirection;
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return {
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centerToEllipsoidSurface,
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ellipsoidSurfaceOutDirection,
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heightToSurface
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};
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}
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void RenderableGlobe::setSaveCamera(std::shared_ptr<Camera> camera) {
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_savedCamera = camera;
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}
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} // namespace openspace::globebrowsing
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