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#pragma once
#include "scenedata.h"
#include <vector>
#include <map>
#include <QJsonDocument>
#include <QJsonObject>
// This class parses the scene graph specified by the CS123 Xml file format.
class ScenefileReader {
public:
// Create a ScenefileReader, passing it the scene file.
ScenefileReader(const std::string &filename);
// Clean up all data for the scene
~ScenefileReader();
// Parse the XML scene file. Returns false if scene is invalid.
bool readJSON();
SceneGlobalData getGlobalData() const;
SceneCameraData getCameraData() const;
SceneNode *getRootNode() const;
private:
// The filename should be contained within this parser implementation.
// If you want to parse a new file, instantiate a different parser.
bool parseGlobalData(const QJsonObject &globaldata);
bool parseCameraData(const QJsonObject &cameradata);
bool parseTemplateGroups(const QJsonValue &templateGroups);
bool parseTemplateGroupData(const QJsonObject &templateGroup);
bool parseGroups(const QJsonValue &groups, SceneNode *parent);
bool parseGroupData(const QJsonObject &object, SceneNode *node);
bool parsePrimitive(const QJsonObject &prim, SceneNode *node);
bool parseLightData(const QJsonObject &lightData, SceneNode *node);
std::string file_name;
mutable std::map<std::string, SceneNode *> m_templates;
SceneGlobalData m_globalData;
SceneCameraData m_cameraData;
SceneNode *m_root;
std::vector<SceneNode *> m_nodes;
};
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