Rudimentary Scene loading
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@ -1,9 +1,13 @@
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#pragma once
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#include <yaml-cpp/yaml.h>
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#include <yaml-cpp/node/type.h>
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#include <string>
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#include <filesystem>
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#include <fstream>
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#include "../../YoggieEngine/src/Scene/Entity.h"
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void WriteFile(std::string& emitter, std::filesystem::path path)
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{
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std::cout << "Writing Scene file to: " << path.u8string() << std::endl;
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@ -16,74 +20,72 @@ void WriteFile(std::string& emitter, std::filesystem::path path)
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}
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YAML::Emitter& operator<< (YAML::Emitter& emitter, glm::vec3& vector) {
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emitter << YAML::Flow << YAML::BeginSeq << vector.x << vector.y << vector.x << YAML::EndSeq;
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emitter << YAML::Flow << YAML::BeginSeq << vector.x << vector.y << vector.x << YAML::EndSeq;
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return emitter;
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}
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void Serialize(YAML::Emitter& emitter, TransformComponent& transform)
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{
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emitter << YAML::BeginMap;
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emitter << YAML::Key << "Transform" << YAML::Value << YAML::Flow << YAML::BeginSeq;
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emitter << YAML::Key << "Position";
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emitter << YAML::Value << transform.Position;
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emitter << YAML::Key << "Rotation";
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emitter << YAML::Value << transform.Rotation;
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emitter << YAML::Key << "Scale";
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emitter << YAML::Value << transform.Scale;
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emitter << YAML::EndSeq << YAML::EndMap;
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}
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void Serialize(YAML::Emitter& emitter, IdentifierComponent& identifier)
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{
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emitter << YAML::BeginMap;
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emitter << YAML::Key << "Ident";
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emitter << YAML::Value << identifier.name;
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emitter << YAML::EndMap;
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}
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void Serialize(YAML::Emitter& emitter, LightComponent& light)
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{
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emitter << YAML::BeginMap << "Light";
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emitter << YAML::Key << "strength";
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emitter << YAML::Value << light.Strength;
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emitter << YAML::Key << "Color";
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emitter << YAML::Value << light.Color;
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emitter << YAML::EndMap;
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}
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std::string Serialize( Scene& scene) {
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YAML::Emitter sceneYAML;
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YAML::Emitter emitter;
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sceneYAML << "YOGGIE_SCENE_FILE" ;
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emitter << YAML::BeginMap;
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emitter << YAML::Key << "Scene" << YAML::Value << "test-Scene";
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emitter << YAML::Key << "Entities" << YAML::Value << YAML::BeginSeq;
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scene.getReg().each([&scene, &sceneYAML](auto enttNumber) {
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scene.getReg().each([&scene, &emitter](auto enttNumber) {
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Entity entity = Entity(enttNumber, &scene);
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Serialize(sceneYAML, entity.GetComponent<IdentifierComponent>());
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Serialize(sceneYAML, entity.GetComponent<TransformComponent>());
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if (entity.HasComponent<LightComponent>()) {
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Serialize(sceneYAML, entity.GetComponent<LightComponent>());
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emitter << YAML::BeginMap;
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emitter << YAML::Key << "Entity" << YAML::Value << entity.GetComponent<IdentifierComponent>().name;
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if (entity.HasComponent<IdentifierComponent>()) {
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emitter << YAML::Key << "Ident";
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emitter << YAML::BeginMap;
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emitter << YAML::Value << entity.GetComponent<IdentifierComponent>().name;
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emitter << YAML::EndMap;
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}
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if (entity.HasComponent<TransformComponent>()) {
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emitter << YAML::Key << "Transform" << YAML::Value ;
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emitter << YAML::BeginMap;
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emitter << YAML::Key << "Position";
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emitter << YAML::Value << entity.GetComponent<TransformComponent>().Position;
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emitter << YAML::Key << "Rotation";
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emitter << YAML::Value << entity.GetComponent<TransformComponent>().Rotation;
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emitter << YAML::Key << "Scale";
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emitter << YAML::Value << entity.GetComponent<TransformComponent>().Scale;
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emitter << YAML::EndMap;
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}
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if (entity.HasComponent<LightComponent>()) {
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emitter << YAML::Key << "Light";
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emitter << YAML::Value;
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emitter << YAML::BeginMap;
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emitter << YAML::Key << "strength";
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emitter << YAML::Value << entity.GetComponent<LightComponent>().Strength;
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emitter << YAML::Key << "Color";
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emitter << YAML::Value << entity.GetComponent<LightComponent>().Color;
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emitter << YAML::EndMap;
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}
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emitter << YAML::EndMap;
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});
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return std::string(sceneYAML.c_str());
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emitter << YAML::EndSeq;
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emitter << YAML::EndMap;
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return std::string(emitter.c_str());
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}
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void Parse(std::string& YAML) {
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std::vector<YAML::Node> nodes = YAML::LoadAll(YAML);
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for(YAML::Node node : nodes)
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{
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std::cout << node.Type() << std::endl;
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}
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}
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void SaveScene(std::filesystem::path path, Scene& scene) {
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std::string YAMLString = Serialize(scene);
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@ -93,17 +95,45 @@ void Serialize(YAML::Emitter& emitter, LightComponent& light)
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void LoadScene(std::filesystem::path path, Scene& scene)
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{
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std::ifstream sceneFile;
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std::string YAMLScene;
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sceneFile.open(path.u8string());
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auto sceneYAML = YAML::LoadFile(path.u8string());
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std::stringstream sstream;
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sstream << sceneFile.rdbuf();
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YAMLScene = sstream.str();
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sceneFile.close();
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if (!sceneYAML["Scene"]) {
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spdlog::error("Not a scene file!");
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return;
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}
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scene.getReg().clear();
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Parse(YAMLScene);
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std::string SceneName = sceneYAML["Scene"].as<std::string>();
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auto entities = sceneYAML["Entities"];
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for (const auto& entity : entities) {
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std::string entityID = entity["Ident"].as<std::string>();
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YoggieEngine::Entity SE = scene.AddEntity(entityID);
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if (entity["Transform"])
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{
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TransformComponent tc = SE.GetComponent<TransformComponent>();
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auto positionNode = entity["Transform"]["Position"];
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tc.Position = glm::vec3(positionNode[0].as<float>(), positionNode[1].as<float>(), positionNode[2].as<float>());
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auto rotationNode = entity["Transform"]["Rotation"];
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tc.Rotation = glm::vec3(rotationNode[0].as<float>(), rotationNode[1].as<float>(), rotationNode[2].as<float>());
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auto scaleNode = entity["Transform"]["Scale"];
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tc.Scale = glm::vec3(scaleNode[0].as<float>(), scaleNode[1].as<float>(), scaleNode[2].as<float>());
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}
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if (entity["Light"]) {
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LightComponent lc = SE.AddComponent<LightComponent>();
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lc.Strength = entity["Light"]["strength"].as<float>();
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lc.Color = glm::vec3(entity["Light"]["Color"][0].as<float>(), entity["Light"]["Color"][1].as<float>(), entity["Light"]["Color"][2].as<float>());
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}
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}
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}
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