mirror of
https://github.com/OpenSpace/OpenSpace.git
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314 lines
11 KiB
C++
314 lines
11 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2025 *
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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/iswa/rendering/renderableiswacygnet.h>
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#include <modules/iswa/rendering/iswabasegroup.h>
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#include <modules/iswa/util/iswamanager.h>
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#include <openspace/documentation/documentation.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/rendering/transferfunction.h>
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#include <openspace/scripting/scriptengine.h>
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#include <openspace/util/time.h>
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#include <openspace/util/timemanager.h>
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#include <openspace/util/transformationmanager.h>
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#include <openspace/util/updatestructures.h>
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#include <ghoul/designpattern/event.h>
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#include <ghoul/format.h>
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#include <ghoul/logging/logmanager.h>
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#include <ghoul/opengl/programobject.h>
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#include <ghoul/misc/dictionary.h>
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#include <cmath>
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#include <cstdlib>
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#include <optional>
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namespace {
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constexpr std::string_view _loggerCat = "IswaCygnet";
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constexpr openspace::properties::Property::PropertyInfo DeleteInfo = {
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"Delete",
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"Delete",
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"", // @TODO Missing documentation
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openspace::properties::Property::Visibility::Developer
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};
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constexpr openspace::properties::Property::PropertyInfo AlphaInfo = {
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"Alpha",
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"Alpha",
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"", // @TODO Missing documentation
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openspace::properties::Property::Visibility::User
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};
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struct [[codegen::Dictionary(RenderableIswaCygnet)]] Parameters {
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int id;
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int updateTime;
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std::optional<glm::vec4> spatialScale;
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std::optional<glm::vec3> gridMin;
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std::optional<glm::vec3> gridMax;
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std::optional<std::string> frame;
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std::optional<std::string> coordinateType;
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std::optional<std::string> group;
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std::optional<double> xOffset;
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};
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#include "renderableiswacygnet_codegen.cpp"
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} // namespace
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namespace openspace {
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documentation::Documentation RenderableIswaCygnet::Documentation() {
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return codegen::doc<Parameters>("iswa_renderable_iswacygnet");
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}
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RenderableIswaCygnet::RenderableIswaCygnet(const ghoul::Dictionary& dictionary)
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: Renderable(dictionary)
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, _alpha(AlphaInfo, 0.9f, 0.f, 1.f)
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, _delete(DeleteInfo)
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{
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const Parameters p = codegen::bake<Parameters>(dictionary);
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std::string name;
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if (dictionary.hasValue<std::string>("Name")) {
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name = dictionary.value<std::string>("Name");
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}
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setGuiName(name);
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_data.id = p.id;
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_data.updateTime = p.updateTime;
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_data.spatialScale = p.spatialScale.value_or(_data.spatialScale);
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_data.gridMin = p.gridMin.value_or(_data.gridMin);
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_data.gridMax = p.gridMax.value_or(_data.gridMax);
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_data.frame = p.frame.value_or(_data.frame);
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_data.coordinateType = p.frame.value_or(_data.coordinateType);
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_data.groupName = p.group.value_or(_data.groupName);
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double xOffset = p.xOffset.value_or(0.0);
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glm::vec3 scale = glm::vec3(
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_data.gridMax.x - _data.gridMin.x,
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_data.gridMax.y - _data.gridMin.y,
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_data.gridMax.z - _data.gridMin.z
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);
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_data.scale = scale;
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glm::vec3 offset = glm::vec3(
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(_data.gridMin.x +
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(std::abs(_data.gridMin.x) + std::abs(_data.gridMax.x)) / 2.f) + xOffset,
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(_data.gridMin.y +
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(std::abs(_data.gridMin.y) + std::abs(_data.gridMax.y)) / 2.f),
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(_data.gridMin.z +
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(std::abs(_data.gridMin.z) + std::abs(_data.gridMax.z)) / 2.f)
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);
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_data.offset = offset;
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addProperty(_alpha);
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addProperty(_delete);
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}
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RenderableIswaCygnet::~RenderableIswaCygnet() {}
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void RenderableIswaCygnet::initializeGL() {
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_textures.push_back(nullptr);
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if (!_data.groupName.empty()) {
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initializeGroup();
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}
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else {
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_delete.onChange([this]() {
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deinitialize();
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global::scriptEngine->queueScript(std::format(
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"openspace.removeSceneGraphNode('{}')", identifier()
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));
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});
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}
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initializeTime();
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createGeometry();
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downloadTextureResource(global::timeManager->time().j2000Seconds());
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}
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void RenderableIswaCygnet::deinitializeGL() {
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if (!_data.groupName.empty()) {
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_group->groupEvent().unsubscribe(identifier());
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}
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unregisterProperties();
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destroyGeometry();
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if (_shader) {
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global::renderEngine->removeRenderProgram(_shader.get());
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_shader = nullptr;
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}
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}
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bool RenderableIswaCygnet::isReady() const {
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return !_shader;
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}
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void RenderableIswaCygnet::render(const RenderData& data, RendererTasks&) {
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if (!readyToRender()) {
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return;
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}
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glm::mat4 transform = glm::mat4(1.f);
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for (int i = 0; i < 3; i++) {
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for (int j = 0; j < 3; j++) {
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transform[i][j] = static_cast<float>(_stateMatrix[i][j]);
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}
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}
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transform = transform * _rotation;
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glm::vec4 pposition =
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static_cast<glm::vec4>(glm::dvec4(data.modelTransform.translation, 0.0)) +
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transform * glm::vec4(
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_data.spatialScale.x * _data.offset,
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_data.spatialScale.w
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);
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glm::vec3 position =
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glm::vec3(pposition) * static_cast<float>(pow(10.f, pposition.w));
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// Activate shader
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_shader->activate();
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glEnable(GL_ALPHA_TEST);
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glDisable(GL_CULL_FACE);
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_shader->setUniform("ViewProjection", data.camera.viewProjectionMatrix());
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_shader->setUniform("ModelTransform", transform);
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_shader->setUniform("campos", glm::vec4(data.camera.positionVec3(), 1.f));
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_shader->setUniform("objpos", glm::vec4(position, 0.f));
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_shader->setUniform("camrot", glm::mat4(data.camera.viewRotationMatrix()));
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_shader->setUniform("scaling", glm::vec2(1.f, 0.f));
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setUniforms();
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renderGeometry();
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glEnable(GL_CULL_FACE);
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_shader->deactivate();
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}
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void RenderableIswaCygnet::update(const UpdateData&) {
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if (!_enabled) {
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return;
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}
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// the texture resource is downloaded ahead of time, so we need to
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// now if we are going backwards or forwards
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_openSpaceTime = global::timeManager->time().j2000Seconds();
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_realTime = std::chrono::duration_cast<std::chrono::milliseconds>(
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std::chrono::system_clock::now().time_since_epoch()
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);
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_stateMatrix = TransformationManager::ref().frameTransformationMatrix(
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_data.frame,
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"GALACTIC",
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_openSpaceTime
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);
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const bool timeToUpdate =
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(fabs(_openSpaceTime - _lastUpdateOpenSpaceTime) >= _data.updateTime &&
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(_realTime.count() - _lastUpdateRealTime.count()) > _minRealTimeUpdateInterval);
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if (_futureObject.valid() && DownloadManager::futureReady(_futureObject)) {
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const bool success = updateTextureResource();
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if (success) {
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_textureDirty = true;
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}
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}
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if (_textureDirty && _data.updateTime != 0 && timeToUpdate) {
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updateTexture();
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_textureDirty = false;
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double clockwiseSign = (global::timeManager->deltaTime() > 0) ? 1.0 : -1.0;
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downloadTextureResource(_openSpaceTime + clockwiseSign * _data.updateTime);
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_lastUpdateRealTime = _realTime;
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_lastUpdateOpenSpaceTime = _openSpaceTime;
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}
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if (!_transferFunctions.empty()) {
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for (TransferFunction& tf : _transferFunctions) {
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tf.update();
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}
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}
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}
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void RenderableIswaCygnet::enabled(bool enabled) {
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_enabled = enabled;
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}
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void RenderableIswaCygnet::registerProperties() {}
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void RenderableIswaCygnet::unregisterProperties() {}
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void RenderableIswaCygnet::initializeTime() {
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_openSpaceTime = global::timeManager->time().j2000Seconds();
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_lastUpdateOpenSpaceTime = 0.0;
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_realTime = std::chrono::duration_cast<std::chrono::milliseconds>(
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std::chrono::system_clock::now().time_since_epoch()
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);
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_lastUpdateRealTime = _realTime;
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_minRealTimeUpdateInterval = 100;
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}
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void RenderableIswaCygnet::initializeGroup() {
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_group = IswaManager::ref().iswaGroup(_data.groupName);
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//Subscribe to enable and delete property
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ghoul::Event<ghoul::Dictionary>& groupEvent = _group->groupEvent();
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groupEvent.subscribe(
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identifier(),
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"enabledChanged",
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[this](const ghoul::Dictionary& dict) {
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LDEBUG(identifier() + " Event enabledChanged");
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_enabled = dict.value<bool>("enabled");
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}
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);
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groupEvent.subscribe(
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identifier(),
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"alphaChanged",
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[this](const ghoul::Dictionary& dict) {
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LDEBUG(identifier() + " Event alphaChanged");
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_alpha = static_cast<float>(dict.value<double>("alpha"));
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}
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);
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groupEvent.subscribe(
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identifier(),
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"clearGroup",
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[this](ghoul::Dictionary) {
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LDEBUG(identifier() + " Event clearGroup");
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global::scriptEngine->queueScript(
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"openspace.removeSceneGraphNode('" + identifier() + "')"
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);
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}
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);
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}
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} //namespace openspace
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