imstkSceneManager.h

/*
** This file is part of the Interactive Medical Simulation Toolkit (iMSTK)
** iMSTK is distributed under the Apache License, Version 2.0.
** See accompanying NOTICE for details.
*/

#pragma once

#include "imstkModule.h"
#include "imstkMacros.h"

#include <unordered_map>
#include <thread>

namespace imstk
{
class Scene;

class SceneManager : public Module
{
public:
    enum class Mode
    {
        Simulation,
        Debug
    };

    SceneManager(std::string name = "SceneManager");
    ~SceneManager() override      = default;

    IMSTK_TYPE_NAME(SceneManager)

    
    std::shared_ptr<Scene> getActiveScene() const { return m_activeScene; }

    std::shared_ptr<Scene> getScene(std::string name) const
    {
        if (containsScene(name))
        {
            return m_sceneMap.at(name);
        }
        else
        {
            return nullptr;
        }
    }

    Mode getMode() const { return m_mode; }

    void setMode(Mode mode);

    bool containsScene(std::string name) const;

    void setActiveScene(std::string newSceneName);

    void setActiveScene(std::shared_ptr<Scene> scene);

    void addScene(std::shared_ptr<Scene> scene);

    void removeScene(std::string name);

    bool initModule() override;

    void updateModule() override;

protected:
    std::shared_ptr<Scene> m_activeScene;                               
    std::unordered_map<std::string, std::shared_ptr<Scene>> m_sceneMap; // used in backend mode where m_sceneManagerMap is not used
    Mode m_mode;
    std::string m_prevCamName;
};
} // namespace imstk