gdtypes.h

/*-----------------------------------------------------------------------------
 * This file defines custom data type, used to store and process gaze data
 */
#pragma once

#ifdef _WIN32
#include <ctime>
#endif

#include "gdproto.h"
#include <ostream>

using namespace std;

#define MAX_NICKNAME_LENGTH 8
#define MAX_DESCRIPTION_LENGTH 256

#define DEFAULT_LOG_FOLDER "C:\\GDLOG"

//Gaze Data Items' types
typedef enum _gdElementType
{
        GDT_UNDEFINED,          
        GDT_SAMPLE,                     
        GDT_SINGLESAMPLE,
        GDT_FIXATION,
        GDT_BLINK,
        GDT_EVENT                       
} gdElementType;

//Gaze Data Items' types
typedef enum _gdLogRecordType
{
        LRT_UNDEFINED   = 0x000,
        LRT_GAZEDATA    = 0x001,
        LRT_MESSAGE             = 0x002,
        LRT_REGCLIENT   = 0x003,
        LRT_UNREGCLIENT = 0x004,
        LRT_POKECLIENT  = 0x005,
        LRT_STARTTRACK  = 0x006,
        LRT_SETNICKNAME = 0x007,
        LRT_SETDESCRIPT = 0x008
} gdLogRecordType;

typedef enum _gdEye
{
        GDE_UNDEFINED = -1,
        GDE_LEFT = 0,
        GDE_RIGHT = 1
} gdEye;


/****************************************************************************/
/*      Protocol messages gaze data types                                                                               */
/****************************************************************************/

typedef struct _gdSingleSample
{
        CARD32 number;          //ordinal number
        CARD32 time;            //time offset from the start of the record
        CARD16 eye;                     //event code
        CARD16 pad;                     //reserved
        CARD32 x;                       //x coordinate of the eye
        CARD32 y;                       //y coordinate of the eye
        CARD32 pupil;           //pupil size
} gdSingleSample;

#define sz_gdSingleSample 24

typedef struct _gdFixation
{
        CARD32 number;          //ordinal number
        CARD32 time;            //time offset from the start of the record
        CARD32 duration;        //fixation duration
        CARD16 eye;                     //eye number
        CARD16 pad;
        CARD32 x;                       //x coordinate of the eye
        CARD32 y;                       //y coordinate of the eye
} gdFixation;

#define sz_gdFixation 24

typedef struct _gdBlink
{
        CARD32 number;          //ordinal number
        CARD32 time;            //time offset from the start of the record
        CARD32 duration;        //fixation duration
        CARD16 eye;                     //eye number
        CARD16 pad;
} gdBlink;

#define sz_gdBlink 16


struct TimeStamp
{
        unsigned short Year;    //current year
        unsigned int Days;      //days past since January 1st
        unsigned long Milliseconds;     //Milliseconds past since 00:00 for the current day

public:
        TimeStamp()
        {
#ifdef _WIN32
        time_t systime = time(NULL);
        tm* t = gmtime(&systime);
        
        Year = t->tm_year;
        Days = t->tm_yday;
        Milliseconds = (t->tm_hour*3600 + t->tm_min*60 + t->tm_sec) * 1000;
#endif
        }

        TimeStamp(unsigned short Y, unsigned int D, unsigned long M):
                Year(Y), Days(D), Milliseconds(M)
        {}

        friend ostream &operator<<(ostream &stream, TimeStamp ts)
        {
                stream << ts.Year << "-";
                stream << ts.Days << "-";
                stream << ts.Milliseconds;
  
                return stream;
        }
};