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Rudimentary Scene loading

main
Nigel Barink 2022-11-09 15:27:06 +01:00
parent 9a9db279a5
commit c57177a1a9
1 changed files with 96 additions and 66 deletions
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162
Editor/src/SceneSerializer.h
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@ -1,9 +1,13 @@
#pragma once
#include <yaml-cpp/yaml.h>
#include <yaml-cpp/node/type.h>
#include <string>
#include <filesystem>
#include <fstream>
#include "../../YoggieEngine/src/Scene/Entity.h"
void WriteFile(std::string& emitter, std::filesystem::path path)
{
std::cout << "Writing Scene file to: " << path.u8string() << std::endl;
@ -16,74 +20,72 @@ void WriteFile(std::string& emitter, std::filesystem::path path)
}
YAML::Emitter& operator<< (YAML::Emitter& emitter, glm::vec3& vector) {
emitter << YAML::Flow << YAML::BeginSeq << vector.x << vector.y << vector.x << YAML::EndSeq;
emitter << YAML::Flow << YAML::BeginSeq << vector.x << vector.y << vector.x << YAML::EndSeq;
return emitter;
}
void Serialize(YAML::Emitter& emitter, TransformComponent& transform)
{
emitter << YAML::BeginMap;
emitter << YAML::Key << "Transform" << YAML::Value << YAML::Flow << YAML::BeginSeq;
emitter << YAML::Key << "Position";
emitter << YAML::Value << transform.Position;
emitter << YAML::Key << "Rotation";
emitter << YAML::Value << transform.Rotation;
emitter << YAML::Key << "Scale";
emitter << YAML::Value << transform.Scale;
emitter << YAML::EndSeq << YAML::EndMap;
}
void Serialize(YAML::Emitter& emitter, IdentifierComponent& identifier)
{
emitter << YAML::BeginMap;
emitter << YAML::Key << "Ident";
emitter << YAML::Value << identifier.name;
emitter << YAML::EndMap;
}
void Serialize(YAML::Emitter& emitter, LightComponent& light)
{
emitter << YAML::BeginMap << "Light";
emitter << YAML::Key << "strength";
emitter << YAML::Value << light.Strength;
emitter << YAML::Key << "Color";
emitter << YAML::Value << light.Color;
emitter << YAML::EndMap;
}
std::string Serialize( Scene& scene) {
YAML::Emitter sceneYAML;
YAML::Emitter emitter;
sceneYAML << "YOGGIE_SCENE_FILE" ;
emitter << YAML::BeginMap;
emitter << YAML::Key << "Scene" << YAML::Value << "test-Scene";
emitter << YAML::Key << "Entities" << YAML::Value << YAML::BeginSeq;
scene.getReg().each([&scene, &sceneYAML](auto enttNumber) {
scene.getReg().each([&scene, &emitter](auto enttNumber) {
Entity entity = Entity(enttNumber, &scene);
Serialize(sceneYAML, entity.GetComponent<IdentifierComponent>());
Serialize(sceneYAML, entity.GetComponent<TransformComponent>());
if (entity.HasComponent<LightComponent>()) {
Serialize(sceneYAML, entity.GetComponent<LightComponent>());
emitter << YAML::BeginMap;
emitter << YAML::Key << "Entity" << YAML::Value << entity.GetComponent<IdentifierComponent>().name;
if (entity.HasComponent<IdentifierComponent>()) {
emitter << YAML::Key << "Ident";
emitter << YAML::BeginMap;
emitter << YAML::Value << entity.GetComponent<IdentifierComponent>().name;
emitter << YAML::EndMap;
}
if (entity.HasComponent<TransformComponent>()) {
emitter << YAML::Key << "Transform" << YAML::Value ;
emitter << YAML::BeginMap;
emitter << YAML::Key << "Position";
emitter << YAML::Value << entity.GetComponent<TransformComponent>().Position;
emitter << YAML::Key << "Rotation";
emitter << YAML::Value << entity.GetComponent<TransformComponent>().Rotation;
emitter << YAML::Key << "Scale";
emitter << YAML::Value << entity.GetComponent<TransformComponent>().Scale;
emitter << YAML::EndMap;
}
if (entity.HasComponent<LightComponent>()) {
emitter << YAML::Key << "Light";
emitter << YAML::Value;
emitter << YAML::BeginMap;
emitter << YAML::Key << "strength";
emitter << YAML::Value << entity.GetComponent<LightComponent>().Strength;
emitter << YAML::Key << "Color";
emitter << YAML::Value << entity.GetComponent<LightComponent>().Color;
emitter << YAML::EndMap;
}
emitter << YAML::EndMap;
});
return std::string(sceneYAML.c_str());
emitter << YAML::EndSeq;
emitter << YAML::EndMap;
return std::string(emitter.c_str());
}
void Parse(std::string& YAML) {
std::vector<YAML::Node> nodes = YAML::LoadAll(YAML);
for(YAML::Node node : nodes)
{
std::cout << node.Type() << std::endl;
}
}
void SaveScene(std::filesystem::path path, Scene& scene) {
std::string YAMLString = Serialize(scene);
@ -93,17 +95,45 @@ void Serialize(YAML::Emitter& emitter, LightComponent& light)
void LoadScene(std::filesystem::path path, Scene& scene)
{
std::ifstream sceneFile;
std::string YAMLScene;
sceneFile.open(path.u8string());
auto sceneYAML = YAML::LoadFile(path.u8string());
std::stringstream sstream;
sstream << sceneFile.rdbuf();
YAMLScene = sstream.str();
sceneFile.close();
if (!sceneYAML["Scene"]) {
spdlog::error("Not a scene file!");
return;
}
scene.getReg().clear();
Parse(YAMLScene);
std::string SceneName = sceneYAML["Scene"].as<std::string>();
auto entities = sceneYAML["Entities"];
for (const auto& entity : entities) {
std::string entityID = entity["Ident"].as<std::string>();
YoggieEngine::Entity SE = scene.AddEntity(entityID);
if (entity["Transform"])
{
TransformComponent tc = SE.GetComponent<TransformComponent>();
auto positionNode = entity["Transform"]["Position"];
tc.Position = glm::vec3(positionNode[0].as<float>(), positionNode[1].as<float>(), positionNode[2].as<float>());
auto rotationNode = entity["Transform"]["Rotation"];
tc.Rotation = glm::vec3(rotationNode[0].as<float>(), rotationNode[1].as<float>(), rotationNode[2].as<float>());
auto scaleNode = entity["Transform"]["Scale"];
tc.Scale = glm::vec3(scaleNode[0].as<float>(), scaleNode[1].as<float>(), scaleNode[2].as<float>());
}
if (entity["Light"]) {
LightComponent lc = SE.AddComponent<LightComponent>();
lc.Strength = entity["Light"]["strength"].as<float>();
lc.Color = glm::vec3(entity["Light"]["Color"][0].as<float>(), entity["Light"]["Color"][1].as<float>(), entity["Light"]["Color"][2].as<float>());
}
}
}