mirror of
https://github.com/OpenSpace/OpenSpace.git
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288 lines
9.8 KiB
C++
288 lines
9.8 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2020 *
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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/iswacygnet.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/engine/globals.h>
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#include <openspace/rendering/renderengine.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/filesystem/filesystem.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/opengl/texture.h>
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namespace {
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constexpr const char* _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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};
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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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};
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} // namespace
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namespace openspace {
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IswaCygnet::IswaCygnet(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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// This changed from setIdentifier to setGuiName, 2018-03-14 ---abock
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std::string name;
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dictionary.getValue("Name", name);
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setGuiName(name);
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float renderableId;
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dictionary.getValue("Id", renderableId);
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float updateTime;
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dictionary.getValue("UpdateTime", updateTime);
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glm::vec4 spatialScale = glm::vec4(0.f);
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dictionary.getValue("SpatialScale", spatialScale);
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glm::vec3 min = glm::vec3(0.f);
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dictionary.getValue("GridMin", min);
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glm::vec3 max = glm::vec3(0.f);
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dictionary.getValue("GridMax", max);
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dictionary.getValue("Frame",_data.frame);
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dictionary.getValue("CoordinateType", _data.coordinateType);
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float xOffset = 0.f;
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dictionary.getValue("XOffset", xOffset);
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dictionary.getValue("Group", _data.groupName);
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_data.id = static_cast<int>(renderableId);
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_data.updateTime = static_cast<int>(updateTime);
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_data.spatialScale = spatialScale;
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_data.gridMin = min;
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_data.gridMax = max;
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glm::vec3 scale = glm::vec3((max.x - min.x), (max.y - min.y), (max.z - min.z));
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_data.scale = scale;
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glm::vec3 offset = glm::vec3(
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(min.x + (std::abs(min.x) + std::abs(max.x)) / 2.f) + xOffset,
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(min.y + (std::abs(min.y) + std::abs(max.y)) / 2.f),
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(min.z + (std::abs(min.z) + std::abs(max.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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IswaCygnet::~IswaCygnet() {}
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void IswaCygnet::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(
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"openspace.removeSceneGraphNode('" + identifier() + "')",
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scripting::ScriptEngine::RemoteScripting::Yes
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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 IswaCygnet::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 IswaCygnet::isReady() const {
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return !_shader;
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}
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void IswaCygnet::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 = glm::vec3(pposition) * 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 IswaCygnet::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 IswaCygnet::enabled(bool enabled) {
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_enabled = enabled;
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}
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void IswaCygnet::registerProperties() {}
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void IswaCygnet::unregisterProperties() {}
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void IswaCygnet::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 IswaCygnet::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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[&](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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[&](const ghoul::Dictionary& dict) {
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LDEBUG(identifier() + " Event alphaChanged");
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_alpha = dict.value<float>("alpha");
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}
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);
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groupEvent.subscribe(identifier(), "clearGroup", [&](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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scripting::ScriptEngine::RemoteScripting::Yes
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);
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});
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}
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} //namespace openspace
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