wtime.h

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/*
**  Command & Conquer Generals Zero Hour(tm)
**  Copyright 2025 Electronic Arts Inc.
**
**  This program is free software: you can redistribute it and/or modify
**  it under the terms of the GNU General Public License as published by
**  the Free Software Foundation, either version 3 of the License, or
**  (at your option) any later version.
**
**  This program is distributed in the hope that it will be useful,
**  but WITHOUT ANY WARRANTY; without even the implied warranty of
**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
**  GNU General Public License for more details.
**
**  You should have received a copy of the GNU General Public License
**  along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
 
/****************************************************************************\
wtime                      Neal Kettler
 
\****************************************************************************/
#ifndef WTIME_HEADER
#define WTIME_HEADER
 
 
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <sys/types.h>
 
#ifndef _WINDOWS
#include <unistd.h>
#include <netinet/in.h>
#include <sys/time.h>
#else
#include <sys/timeb.h>
#include <winsock.h>
#endif
 
#include <time.h>
#include <string.h>
 
#include "wstypes.h"
 
class Wtime
{
  public:
 
  enum
  {
    POSITIVE=0,
    NEGATIVE=1
  };
 
              Wtime();  // init to system time
              Wtime( Wtime &other );
              Wtime( uint32    other );
             ~Wtime();
 
    void      Update();   // Update members sec & usec to system time
                          
 
    void      PrintTime(FILE *out) const;
    void      PrintTime(char *out) const;
    void      PrintDate(FILE *out) const;
    void      PrintDate(char *out) const;
 
    uint32    GetSec(void) const;    // Get member variable 'sec'
    uint32    GetUsec(void) const;   // Get member variable 'usec'
    void      SetSec(uint32 newsec);
    void      SetUsec(uint32 newusec);
    void      Set(uint32 newsec,uint32 newusec);
    bit8      ParseDate(char *in);
    bit8      FormatTime(char *out, char *format);
 
    struct timeval   *GetTimeval(void);
    void              GetTimevalMT(struct timeval &tv);
 
    uint32    GetSecond(void) const; // Second (0- 60) (60 is for a leap second)
    uint32    GetMinute(void) const; // Minute (0 - 59)
    uint32    GetHour(void) const;   // Hour (0-23)
    uint32    GetMDay(void) const;   // Day of Month (1-31)
    uint32    GetWDay(void) const;   // Day of Week  (1-7)
    uint32    GetYDay(void) const;   // Day of Year  (1-366)
    uint32    GetMonth(void) const;  // Month (1-12)
    uint32    GetYWeek(void) const;  // Week of Year (1-53)
    uint32    GetYear(void) const;   // Year (e.g. 1997)
 
    bit8      GetSign(void) const;  // 0 = pos   1 = neg
 
    int       Compare(const Wtime &other) const;
    
    // comparisons
    bit8   operator == ( const Wtime &other ) const;
    bit8   operator != ( const Wtime &other ) const;
    bit8   operator  < ( const Wtime &other ) const;
    bit8   operator  > ( const Wtime &other ) const;
    bit8   operator <= ( const Wtime &other ) const;
    bit8   operator >= ( const Wtime &other ) const;
 
    // assignments
    Wtime   &operator = (const Wtime &other);
    Wtime   &operator = (const uint32    other);
 
    // math
    // signed
    void        SignedAdd(const Wtime &other);
    void        SignedSubtract(const Wtime &other);
 
    // unsigned
    Wtime   &operator += (const Wtime &other);
    Wtime   &operator -= (const Wtime &other);
    Wtime    operator +  (Wtime &other);
    Wtime    operator -  (Wtime &other);
 
    Wtime   &operator += (const uint32 other);
    Wtime   &operator -= (const uint32 other);
    Wtime    operator +  (uint32 other);
    Wtime    operator -  (uint32 other);
 
  protected:
    uint32    sec;     // seconds since Jan 1, 1970
    uint32    usec;    // microseconds (millionths of a second)
    bit8      sign;    // for time differences 0 = pos 1 = neg
};
 
#endif