VantagePoints.h

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#if !defined(_VANTAGEPOINTS_H_)
#define _VANTAGEPOINTS_H_
 
#include "MathClasses.h"
#include "Utils.h"
#include "xml_parser.h"
 
namespace cmlabs {

enum PerchState { FREE = 0, RESERVED = 1, OCCUPIED = 2, LEAVING = 3 };
enum VantageState { IDLE = 0, INMOTION = 1, SETTLED = 2 };

struct PerchPoint {
    uint32 id;
    PerchState state;
    uint32 entityID;
    uint64 lastVisit;
    std::string label;
    std::string data;
    std::vector<double> overlaps;
};

class VantagePoints {
public:
    VantagePoints();
    ~VantagePoints();

    bool init(const char* xml);
    bool init(XMLNode node);
    uint32 reserveNextPoint(uint32 entityID);
    bool occupyPoint(uint32 id, uint32 entityID);
    bool freePoint(uint32 id, uint32 entityID);

    const char* getPointData(uint32 id);
    const char* getPointLabel(uint32 id);

    static bool UnitTest();
 
    uint32 count;       
    VantageState state; 
 
private:
    std::map<uint32, PerchPoint> points;
    uint32* inUseMap;
    uint64 intrinsicTimescaleMS;
    int32 timeoutMS;
    uint64 motionStartedTime;
};
 
} // namespace cmlabs
 
#endif //_VANTAGEPOINTS_H_