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467 lines
18 KiB
C++
467 lines
18 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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const char* keyShadowGroup = "Shadow_Group";
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const char* keyShadowSource = "Source";
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const char* keyShadowCaster = "Caster";
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static const openspace::properties::Property::PropertyInfo SaveOrThrowInfo = {
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"SaveOrThrowCamera",
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"Save or throw camera",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo ShowChunkEdgeInfo = {
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"ShowChunkEdges",
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"Show chunk edges",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo ShowChunkBoundsInfo = {
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"ShowChunkBounds",
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"Show chunk bounds",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo ShowChunkAABBInfo = {
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"ShowChunkAABB",
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"Show chunk AABB",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo HeightResolutionInfo = {
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"ShowHeightResolution",
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"Show height resolution",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo HeightIntensityInfo = {
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"ShowHeightIntensities",
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"Show height intensities",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo FrustumCullingInfo = {
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"PerformFrustumCulling",
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"Perform frustum culling",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo HorizonCullingInfo = {
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"PerformHorizonCulling",
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"Perform horizon culling",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo LevelProjectedAreaInfo = {
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"LevelByProjectedAreaElseDistance",
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"Level by projected area (else distance)",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo ResetTileProviderInfo = {
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"ResetTileProviders",
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"Reset tile providers",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo CollectStatsInfo = {
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"CollectStats",
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"Collect stats",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo LimitLevelInfo = {
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"LimitLevelByAvailableData",
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"Limit level by available data",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo ModelSpaceRenderingInfo = {
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"ModelSpaceRenderingCutoffLevel",
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"Model Space Rendering Cutoff Level",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo PerformShadingInfo = {
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"PerformShading",
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"Perform shading",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo AtmosphereInfo = {
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"Atmosphere",
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"Atmosphere",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo AccurateNormalsInfo = {
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"UseAccurateNormals",
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"Use Accurate Normals",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo LodScaleFactorInfo = {
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"LodScaleFactor",
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"Level of Detail Scale Factor",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo CameraMinHeightInfo = {
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"CameraMinHeight",
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"Camera Minimum Height",
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"" // @TODO Missing documentation
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};
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static const openspace::properties::Property::PropertyInfo OrenNayarRoughnessInfo = {
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"OrenNayarRoughness",
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"orenNayarRoughness",
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"" // @TODO Missing documentation
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};
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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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: Renderable(dictionary)
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, _debugProperties({
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BoolProperty(SaveOrThrowInfo, false),
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BoolProperty(ShowChunkEdgeInfo, false),
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BoolProperty(ShowChunkBoundsInfo, false),
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BoolProperty(ShowChunkAABBInfo, false),
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BoolProperty(HeightResolutionInfo, false),
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BoolProperty(HeightIntensityInfo, false),
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BoolProperty(FrustumCullingInfo, true),
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BoolProperty(HorizonCullingInfo, true),
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BoolProperty(LevelProjectedAreaInfo, true),
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BoolProperty(ResetTileProviderInfo, false),
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BoolProperty(CollectStatsInfo, false),
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BoolProperty(LimitLevelInfo, true),
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IntProperty(ModelSpaceRenderingInfo, 10, 1, 22)
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})
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, _generalProperties({
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BoolProperty(PerformShadingInfo, true),
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BoolProperty(AtmosphereInfo, false),
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BoolProperty(AccurateNormalsInfo, false),
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FloatProperty(LodScaleFactorInfo, 10.f, 1.f, 50.f),
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FloatProperty(CameraMinHeightInfo, 100.f, 0.f, 1000.f),
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FloatProperty(OrenNayarRoughnessInfo, 0.f, 0.f, 1.f)
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})
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, _debugPropertyOwner("Debug")
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, _texturePropertyOwner("Textures")
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, _shadowEnabled(false)
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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.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.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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ghoul::Dictionary shadowDictionary;
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bool dicSuccess = dictionary.getValue(keyShadowGroup, shadowDictionary);
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bool disableShadows = false;
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if (dicSuccess) {
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std::vector< std::pair<std::string, float > > sourceArray;
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unsigned int sourceCounter = 1;
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while (dicSuccess) {
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std::string sourceName;
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dicSuccess = shadowDictionary.getValue(keyShadowSource +
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std::to_string(sourceCounter) + ".Name", sourceName);
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if (dicSuccess) {
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float sourceRadius;
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dicSuccess = shadowDictionary.getValue(keyShadowSource +
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std::to_string(sourceCounter) + ".Radius", sourceRadius);
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if (dicSuccess) {
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sourceArray.emplace_back(sourceName, sourceRadius);
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}
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else {
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/*LWARNING("No Radius value expecified for Shadow Source Name "
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<< sourceName << " from " << name
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<< " planet.\nDisabling shadows for this planet.");*/
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disableShadows = true;
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break;
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}
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}
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sourceCounter++;
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}
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if (!disableShadows && !sourceArray.empty()) {
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dicSuccess = true;
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std::vector< std::pair<std::string, float > > casterArray;
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unsigned int casterCounter = 1;
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while (dicSuccess) {
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std::string casterName;
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dicSuccess = shadowDictionary.getValue(keyShadowCaster +
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std::to_string(casterCounter) + ".Name", casterName);
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if (dicSuccess) {
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float casterRadius;
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dicSuccess = shadowDictionary.getValue(keyShadowCaster +
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std::to_string(casterCounter) + ".Radius", casterRadius);
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if (dicSuccess) {
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casterArray.emplace_back(casterName, casterRadius);
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}
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else {
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/*LWARNING("No Radius value expecified for Shadow Caster Name "
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<< casterName << " from " << name
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<< " planet.\nDisabling shadows for this planet.");*/
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disableShadows = true;
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break;
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}
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}
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casterCounter++;
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}
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if (!disableShadows && (!sourceArray.empty() && !casterArray.empty())) {
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for (auto source : sourceArray)
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for (auto caster : casterArray) {
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ShadowConfiguration sc;
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sc.source = source;
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sc.caster = caster;
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_shadowConfArray.push_back(sc);
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}
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_shadowEnabled = true;
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}
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}
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}
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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& renderTask) {
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bool statsEnabled = _debugProperties.collectStats.value();
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_chunkedLodGlobe->stats.setEnabled(statsEnabled);
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if (_enabled) {
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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, renderTask);
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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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