Skeleton for new atmosphere module.

2026-04-29 23:39:26 -05:00 · 2016-10-07 17:42:10 -04:00
parent 057874e132
commit d94d5d9195
11 changed files with 697 additions and 0 deletions
@@ -0,0 +1,131 @@
+/*****************************************************************************************
+ *                                                                                       *
+ * OpenSpace                                                                             *
+ *                                                                                       *
+ * Copyright (c) 2014-2016                                                               *
+ *                                                                                       *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this  *
+ * software and associated documentation files (the "Software"), to deal in the Software *
+ * without restriction, including without limitation the rights to use, copy, modify,    *
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to    *
+ * permit persons to whom the Software is furnished to do so, subject to the following   *
+ * conditions:                                                                           *
+ *                                                                                       *
+ * The above copyright notice and this permission notice shall be included in all copies *
+ * or substantial portions of the Software.                                              *
+ *                                                                                       *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,   *
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A         *
+ * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT    *
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF  *
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE  *
+ * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                                         *
+ ****************************************************************************************/
+
+#include <modules/atmosphere/rendering/atmosphereraycaster.h>
+
+#include <glm/glm.hpp>
+#include <ghoul/opengl/ghoul_gl.h>
+#include <sstream>
+#include <ghoul/opengl/programobject.h>
+#include <openspace/util/powerscaledcoordinate.h>
+#include <openspace/util/updatestructures.h>
+#include <openspace/rendering/renderable.h>
+
+namespace {
+    const std::string GlslRaycastPath = "${MODULES}/atmosphere/shaders/raycast.glsl";
+    const std::string GlslBoundsVsPath = "${MODULES}/atmosphere/shaders/boundsvs.glsl";
+    const std::string GlslBoundsFsPath = "${MODULES}/atmosphere/shaders/boundsfs.glsl";
+}
+
+namespace openspace {
+
+AtmosphereRaycaster::AtmosphereRaycaster(glm::vec4 color)
+    : _boundingBox(glm::vec3(1.0))
+    , _color(color) {}
+    
+AtmosphereRaycaster::~AtmosphereRaycaster() {}
+
+void AtmosphereRaycaster::initialize() {
+    _boundingBox.initialize();
+}
+    
+void AtmosphereRaycaster::deinitialize() {
+}
+    
+void AtmosphereRaycaster::renderEntryPoints(const RenderData& data, ghoul::opengl::ProgramObject& program) {
+    program.setUniform("modelTransform", _modelTransform);
+    program.setUniform("viewProjection", data.camera.viewProjectionMatrix());
+    Renderable::setPscUniforms(program, data.camera, data.position);
+    
+    // Cull back face
+    glEnable(GL_CULL_FACE);
+    glCullFace(GL_BACK);
+    
+    // Render bounding geometry
+    _boundingBox.render();
+}
+    
+void AtmosphereRaycaster::renderExitPoints(const RenderData& data, ghoul::opengl::ProgramObject& program) {   
+    // Uniforms
+    program.setUniform("modelTransform", _modelTransform);
+    program.setUniform("viewProjection", data.camera.viewProjectionMatrix());
+    Renderable::setPscUniforms(program, data.camera, data.position);
+
+    // Cull front face
+    glEnable(GL_CULL_FACE);
+    glCullFace(GL_FRONT);
+    
+    // Render bounding geometry
+    _boundingBox.render();
+    
+    // Restore defaults
+    glCullFace(GL_BACK);
+}
+    
+void AtmosphereRaycaster::preRaycast(const RaycastData& data, ghoul::opengl::ProgramObject& program) {
+    std::string colorUniformName = "color" + std::to_string(data.id);
+    std::string timeUniformName = "time" + std::to_string(data.id);
+    std::string stepSizeUniformName = "maxStepSize" + std::to_string(data.id);
+    program.setUniform(colorUniformName, _color);
+    program.setUniform(stepSizeUniformName, _stepSize);
+    program.setUniform(timeUniformName, static_cast<float>(std::fmod(_time, 3600.0)));
+}
+    
+void AtmosphereRaycaster::postRaycast(const RaycastData& data, ghoul::opengl::ProgramObject& program) {
+    // For example: release texture units
+}
+    
+std::string AtmosphereRaycaster::getBoundsVsPath() const {
+    return GlslBoundsVsPath;
+}
+    
+std::string AtmosphereRaycaster::getBoundsFsPath() const {
+    return GlslBoundsFsPath;
+}
+
+std::string AtmosphereRaycaster::getRaycastPath() const {
+    return GlslRaycastPath;
+}
+
+std::string AtmosphereRaycaster::getHelperPath() const {
+    return ""; // no helper file
+}
+
+void AtmosphereRaycaster::setColor(glm::vec4 color) {
+    _color = color;
+}
+
+void AtmosphereRaycaster::setModelTransform(glm::mat4 transform) {
+    _modelTransform = transform;
+}
+
+void AtmosphereRaycaster::setTime(double time) {
+    _time = time;
+}
+    
+void AtmosphereRaycaster::setStepSize(float stepSize) {
+    _stepSize = stepSize;
+}
+    
+}