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#pragma once
#include "Clock.h"
namespace nCine
{
/// Represents a point in time or a duration
class TimeStamp
{
public:
TimeStamp();
/// Returns a new time stamp initialized to the current clock value
inline static TimeStamp now() {
return TimeStamp(clock().now());
}
bool operator>(const TimeStamp& other) const;
bool operator<(const TimeStamp& other) const;
TimeStamp& operator+=(const TimeStamp& other);
TimeStamp& operator-=(const TimeStamp& other);
TimeStamp operator+(const TimeStamp& other) const;
TimeStamp operator-(const TimeStamp& other) const;
/// Returns a new time stamp with the time elapsed since this one
TimeStamp timeSince() const;
/// Returns the time elapsed since the timestamp, as seconds in a `float` number
float secondsSince() const;
/// Returns the time elapsed since the timestamp, as milliseconds in a `float` number
float millisecondsSince() const;
/// Returns the time elapsed since the timestamp, as microseconds in a `float` number
float microsecondsSince() const;
/// Returns the time elapsed since the timestamp, as seconds in a `nanoseconds` number
float nanosecondsSince() const;
// Returns the number of elapsed ticks
inline std::uint64_t ticks() const {
return _counter;
}
/// Returns the timestamp counter value as seconds in a `float` number
float seconds() const;
/// Returns the timestamp counter value as milliseconds in a `float` number
float milliseconds() const;
/// Returns the timestamp counter value as microseconds in a `float` number
float microseconds() const;
/// Returns the timestamp counter value as nanoseconds in a `float` number
float nanoseconds() const;
private:
std::uint64_t _counter;
explicit TimeStamp(std::uint64_t counter);
};
}
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