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https://github.com/OpenSpace/OpenSpace.git
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c949a9892c
* Add profile edit to start camera at a given scene graph node * Restructure some navigation code to allow computing camera pose from node * Delay computation of camera pose for node spec as well... And give NodeInfo a more extensive name (The objects may move during the frame, making the computed pose invalid) * Update to make scene graph node first option in editor * Add some description to each tab in the camera dialog * Add operator== for CameraGoToNode struct to make the unit tests compile * Add version handling for new profile version * Add option to specify an optional height * Update current version constant, for old test cases to go through successfully * Add some test files Note that apparently, the profile loading does not check the values of the individual fields, just existence, and type. So added two test cases that are not currently checked. --------- Co-authored-by: Alexander Bock <mail@alexanderbock.eu>
117 lines
4.9 KiB
C++
117 lines
4.9 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2023 *
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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/base/lightsource/scenegraphlightsource.h>
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#include <openspace/documentation/documentation.h>
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#include <openspace/documentation/verifier.h>
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#include <openspace/engine/globals.h>
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#include <openspace/rendering/renderengine.h>
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#include <openspace/scene/scene.h>
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#include <openspace/util/updatestructures.h>
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#include <ghoul/misc/profiling.h>
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#include <optional>
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namespace {
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constexpr openspace::properties::Property::PropertyInfo IntensityInfo = {
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"Intensity",
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"Intensity",
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"The intensity of this light source",
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// @VISIBILITY(1.75)
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openspace::properties::Property::Visibility::NoviceUser
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};
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constexpr openspace::properties::Property::PropertyInfo NodeCameraStateInfo = {
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"Node",
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"Node",
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"The identifier of the scene graph node to follow",
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openspace::properties::Property::Visibility::AdvancedUser
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};
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struct [[codegen::Dictionary(SceneGraphLightSource)]] Parameters {
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// [[codegen::verbatim(IntensityInfo.description)]]
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std::optional<float> intensity;
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// [[codegen::verbatim(NodeCameraStateInfo.description)]]
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std::string node [[codegen::identifier()]];
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};
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#include "scenegraphlightsource_codegen.cpp"
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} // namespace
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namespace openspace {
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documentation::Documentation SceneGraphLightSource::Documentation() {
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return codegen::doc<Parameters>("base_scene_graph_light_source");
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}
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SceneGraphLightSource::SceneGraphLightSource()
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: _intensity(IntensityInfo, 1.f, 0.f, 1.f)
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, _sceneGraphNodeReference(NodeCameraStateInfo, "")
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{
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addProperty(_intensity);
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_sceneGraphNodeReference.onChange([this]() {
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_sceneGraphNode =
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global::renderEngine->scene()->sceneGraphNode(_sceneGraphNodeReference);
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});
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addProperty(_sceneGraphNodeReference);
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}
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SceneGraphLightSource::SceneGraphLightSource(const ghoul::Dictionary& dictionary)
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: SceneGraphLightSource()
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{
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const Parameters p = codegen::bake<Parameters>(dictionary);
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_intensity = p.intensity.value_or(_intensity);
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_sceneGraphNodeReference = p.node;
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}
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bool SceneGraphLightSource::initialize() {
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ZoneScoped;
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_sceneGraphNode =
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global::renderEngine->scene()->sceneGraphNode(_sceneGraphNodeReference);
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return _sceneGraphNode != nullptr;
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}
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float SceneGraphLightSource::intensity() const {
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return _intensity;
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}
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glm::vec3 SceneGraphLightSource::directionViewSpace(const RenderData& renderData) const {
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if (!_sceneGraphNode) {
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return glm::vec3(0.f);
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}
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const glm::dvec3 lightPosition =
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_sceneGraphNode->modelTransform() * glm::dvec4(0.0, 0.0, 0.0, 1.0);
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const glm::dvec3 renderNodePosition = renderData.modelTransform.translation;
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const glm::dvec3 viewSpace = glm::dvec3(renderData.camera.combinedViewMatrix() *
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glm::dvec4((lightPosition - renderNodePosition), 1.0));
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return glm::normalize(viewSpace);
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}
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} // namespace openspace
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