mirror of
https://github.com/TheRedShip/RT_GPU.git
synced 2025-09-27 10:48:34 +02:00
155 lines
4.1 KiB
C++
155 lines
4.1 KiB
C++
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* SceneParser.cpp :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: ycontre <ycontre@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2024/12/26 21:43:51 by TheRed #+# #+# */
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/* Updated: 2025/01/16 15:17:10 by tomoron ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "SceneParser.hpp"
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SceneParser::SceneParser(Scene *scene) : _scene(scene)
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{
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object_parsers["sp"] = [](std::stringstream &ss) -> Object * { return (new Sphere(ss)); };
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object_parsers["pl"] = [](std::stringstream &ss) -> Object * { return (new Plane(ss)); };
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object_parsers["qu"] = [](std::stringstream &ss) -> Object * { return (new Quad(ss)); };
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object_parsers["tr"] = [](std::stringstream &ss) -> Object * { return (new Triangle(ss)); };
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object_parsers["cu"] = [](std::stringstream &ss) -> Object * { return (new Cube(ss)); };
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object_parsers["po"] = [](std::stringstream &ss) -> Object * { return (new Portal(ss)); };
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object_parsers["cy"] = [](std::stringstream &ss) -> Object * { return (new Cylinder(ss)); };
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}
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void SceneParser::parseMaterial(std::stringstream &line)
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{
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float r,g,b;
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float emission;
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float rough_refrac;
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float metallic;
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std::string type;
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Material *mat;
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if (!(line >> r >> g >> b >> emission >> rough_refrac >> metallic))
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throw std::runtime_error("Material: Missing material properties");
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if (!(line >> type))
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type = "LAM";
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mat = new Material;
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mat->color = glm::vec3(r / 255.0f, g / 255.0f, b / 255.0f);
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mat->emission = emission;
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mat->roughness = rough_refrac;
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mat->metallic = metallic;
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mat->refraction = rough_refrac;
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mat->type = 0;
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if (type == "LAM")
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mat->type = 0;
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else if (type == "DIE")
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mat->type = 1;
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else if (type == "TRN")
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mat->type = 2;
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_scene->addMaterial(mat);
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}
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void SceneParser::parseCamera(std::stringstream &line)
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{
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float x,y,z;
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float yaw, pitch;
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float aperture, focus, fov;
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int bounce;
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if (!(line >> x >> y >> z))
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throw std::runtime_error("Camera: Missing camera properties");
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if (!(line >> yaw >> pitch))
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{
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yaw = 0;
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pitch = -90;
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}
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if (!(line >> aperture >> focus >> fov))
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{
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aperture = 0.0;
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focus = 1.0;
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fov = 90.0f;
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}
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if (!(line >> bounce))
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bounce = 5;
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_scene->getCamera()->setPosition(glm::vec3(x, y, z));
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_scene->getCamera()->setDirection(yaw, pitch);
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_scene->getCamera()->updateCameraVectors();
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_scene->getCamera()->setDOV(aperture, focus);
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_scene->getCamera()->setFov(fov);
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_scene->getCamera()->setBounce(bounce);
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}
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void SceneParser::parseObj(std::stringstream &line)
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{
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std::string name;
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float x = 0.;
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float y = 0.;
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float z = 0.;
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line >> name;
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line >> x >> y >> z;
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ObjParser obj(name);
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obj.parse(*_scene, glm::vec3(x, y, z));
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}
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bool SceneParser::parseLine(const std::string &line)
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{
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if (line.empty() || line[0] == '#')
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return (true);
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std::stringstream ss(line);
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std::string identifier;
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ss >> identifier;
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try
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{
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auto it = object_parsers.find(identifier);
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if (it != object_parsers.end())
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{
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Object *obj = it->second(ss);
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GPUMaterial mat = _scene->getMaterial(obj->getMaterialIndex()); //verify material
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if (obj->getType() == Object::Type::PORTAL)
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_scene->addObject(static_cast<Portal *>(obj)->createSupportQuad());
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_scene->addObject(obj);
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if (mat.emission > 0.0)
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_scene->updateLightAndObjects(obj->getMaterialIndex());
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}
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if (identifier == "MAT")
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this->parseMaterial(ss);
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else if (identifier == "CAM")
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this->parseCamera(ss);
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else if (identifier == "OBJ")
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this->parseObj(ss);
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}
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catch (const std::exception& e)
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{
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std::cerr << e.what() << std::endl;
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return (false);
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}
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return (true);
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}
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