mirror of
https://github.com/OpenSpace/OpenSpace.git
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232 lines
8.0 KiB
C++
232 lines
8.0 KiB
C++
// /*****************************************************************************************
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// * *
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// * OpenSpace *
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// * *
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// * Copyright (c) 2014-2016 *
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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/datasurface/rendering/textureplane.h>
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#include <openspace/engine/openspaceengine.h>
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#include <openspace/rendering/renderengine.h>
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#include <ghoul/filesystem/filesystem>
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#include <ghoul/io/texture/texturereader.h>
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#include <ghoul/opengl/programobject.h>
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#include <ghoul/opengl/texture.h>
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#include <ghoul/opengl/textureunit.h>
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#include <modules/kameleon/include/kameleonwrapper.h>
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#include <openspace/scene/scene.h>
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#include <openspace/scene/scenegraphnode.h>
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#include <openspace/util/time.h>
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#include <openspace/util/spicemanager.h>
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namespace {
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const std::string _loggerCat = "TexutePlane";
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}
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namespace openspace {
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TexturePlane::TexturePlane(std::string path)
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:DataSurface(path)
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,_texture(nullptr)
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, _quad(0)
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, _vertexPositionBuffer(0)
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, _futureTexture(nullptr)
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{}
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TexturePlane::~TexturePlane(){}
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bool TexturePlane::initialize(){
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DataSurface::initialize();
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std::thread t = std::thread(std::bind(&TexturePlane::updateTexture, this));
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t.detach();
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glGenVertexArrays(1, &_quad); // generate array
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glGenBuffers(1, &_vertexPositionBuffer); // generate buffer
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createPlane();
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if (_shader == nullptr) {
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// Plane Program
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RenderEngine& renderEngine = OsEng.renderEngine();
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_shader = renderEngine.buildRenderProgram("PlaneProgram",
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"${MODULE_DATASURFACE}/shaders/dataplane_vs.glsl",
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"${MODULE_DATASURFACE}/shaders/dataplane_fs.glsl"
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);
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if (!_shader)
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return false;
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}
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loadTexture();
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return isReady();
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}
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bool TexturePlane::deinitialize(){
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DataSurface::deinitialize();
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glDeleteVertexArrays(1, &_quad);
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_quad = 0;
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glDeleteBuffers(1, &_vertexPositionBuffer);
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_vertexPositionBuffer = 0;
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RenderEngine& renderEngine = OsEng.renderEngine();
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if (_shader) {
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renderEngine.removeRenderProgram(_shader);
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_shader = nullptr;
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}
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return true;
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}
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bool TexturePlane::isReady() const {
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bool ready = true;
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if (!_shader)
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ready &= false;
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if(!_texture)
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ready &= false;
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return ready;
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};
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void TexturePlane::render(){
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psc position = _parent->worldPosition();
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glm::mat4 transform = glm::mat4(1.0);
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glm::mat4 rotx = glm::rotate(transform, static_cast<float>(M_PI_2), glm::vec3(1, 0, 0));
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glm::mat4 roty = glm::rotate(transform, static_cast<float>(M_PI_2), glm::vec3(0, 1, 0));
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// glm::mat4 rot = glm::mat4(1.0);
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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 * roty * rotx;
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//position += transform*glm::vec4(-_pscOffset.x, _pscOffset.z, _pscOffset.y, _pscOffset.w);
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// transform = glm::rotate(transform, _roatation.value()[0], glm::vec3(1,0,0));
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// transform = glm::rotate(transform, _roatation.value()[1], glm::vec3(0,1,0));
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// transform = glm::rotate(transform, _roatation.value()[2], glm::vec3(0,0,1));
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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", OsEng.renderEngine().camera()->viewProjectionMatrix());
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_shader->setUniform("ModelTransform", transform);
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setPscUniforms(_shader.get(), OsEng.renderEngine().camera(), position);
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ghoul::opengl::TextureUnit unit;
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unit.activate();
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_texture->bind();
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_shader->setUniform("texture1", unit);
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glBindVertexArray(_quad);
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glDrawArrays(GL_TRIANGLES, 0, 6);
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glEnable(GL_CULL_FACE);
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_shader->deactivate();
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}
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void TexturePlane::update(){
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_stateMatrix = SpiceManager::ref().positionTransformMatrix("GALACTIC", "GSM", Time::ref().currentTime());
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if(_futureTexture && _futureTexture->isFinished){
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_path.set(absPath("${OPENSPACE_DATA}/"+_futureTexture->filePath));
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loadTexture();
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delete _futureTexture;
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_futureTexture = nullptr;
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}
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}
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void TexturePlane::setParent(){
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_parent = OsEng.renderEngine().scene()->sceneGraphNode("Earth");
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}
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void TexturePlane::updateTexture(){
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int imageSize = 1024;
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DownloadManager::FileFuture* future;
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while(true) {
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std::this_thread::sleep_for(std::chrono::milliseconds(6000));
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future = DlManager.downloadFile(
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getiSWAurl(5),
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// std::string("http://placehold.it/" + std::to_string(imageSize) + "x" + std::to_string(imageSize)),
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absPath("${OPENSPACE_DATA}/dataplane.jpg"),
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true,
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[](const DownloadManager::FileFuture& f){
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std::cout<<"download finished"<<std::endl;
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}
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);
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if(future){
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_futureTexture = future;
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imageSize-=1;
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}
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}
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}
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void TexturePlane::loadTexture() {
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std::unique_ptr<ghoul::opengl::Texture> texture = ghoul::io::TextureReader::ref().loadTexture(absPath(_path));
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if (texture) {
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LDEBUG("Loaded texture from '" << absPath(_path) << "'");
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texture->uploadTexture();
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// Textures of planets looks much smoother with AnisotropicMipMap rather than linear
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texture->setFilter(ghoul::opengl::Texture::FilterMode::Linear);
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_texture = std::move(texture);
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}
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}
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void TexturePlane::createPlane() {
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// ============================
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// GEOMETRY (quad)
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// ============================
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const GLfloat x = 1.0;//_modelScale.x/2.0;
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const GLfloat y = 1.0;//_modelScale.y/2.0;
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const GLfloat w = 7.0;//_modelScale.w;
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const GLfloat vertex_data[] = { // square of two triangles (sigh)
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// x y z w s t
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-x, -y, 0.0f, w, 0, 1,
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x, y, 0.0f, w, 1, 0,
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-x, y, 0.0f, w, 0, 0,
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-x, -y, 0.0f, w, 0, 1,
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x, -y, 0.0f, w, 1, 1,
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x, y, 0.0f, w, 1, 0,
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};
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glBindVertexArray(_quad); // bind array
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glBindBuffer(GL_ARRAY_BUFFER, _vertexPositionBuffer); // bind buffer
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glBufferData(GL_ARRAY_BUFFER, sizeof(vertex_data), vertex_data, GL_STATIC_DRAW);
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glEnableVertexAttribArray(0);
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glVertexAttribPointer(0, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 6, reinterpret_cast<void*>(0));
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glEnableVertexAttribArray(1);
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glVertexAttribPointer(1, 2, GL_FLOAT, GL_FALSE, sizeof(GLfloat) * 6, reinterpret_cast<void*>(sizeof(GLfloat) * 4));
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}
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}// namespace openspace
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