MRISceneStateCheck.h

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#pragma once
 
#include "MRViewerFwd.h"
#include "MRMesh/MRMeshFwd.h"
#include <memory>
#include <vector>
#include <string>
 
namespace MR
{
 
// Interface for checking scene state, to determine availability, also can return string with requirements 
class ISceneStateCheck
{
public:
    virtual ~ISceneStateCheck() = default;
    // return empty string if all requirements are satisfied, otherwise return first unsatisfied requirement
    virtual std::string isAvailable( const std::vector<std::shared_ptr<const Object>>& ) const { return {}; }
};
 
} //namespace MR