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#pragma once
#include "StarGameTypes.hpp"
#include "StarJson.hpp"
namespace Star {
struct GameTimer {
GameTimer();
explicit GameTimer(float time);
float time;
float timer;
bool tick(float dt = GlobalTimestep); // returns true if time is up
bool wrapTick(float dt = GlobalTimestep); // auto resets
void reset();
void setDone();
void invert();
bool ready() const;
float percent() const;
};
DataStream& operator>>(DataStream& ds, GameTimer& gt);
DataStream& operator<<(DataStream& ds, GameTimer const& gt);
struct SlidingWindow {
SlidingWindow();
SlidingWindow(float windowSize, size_t resolution, float initialValue);
GameTimer sampleTimer;
float windowSize;
size_t resolution;
float currentMin;
float currentMax;
float currentAverage;
size_t currentIndex;
std::vector<float> window;
void reset(float initialValue);
void update(function<float()> sampleFunction);
void update(float newValue);
void processUpdate(float newValue);
float min();
float max();
float average();
};
// Keeps long term track of elapsed time based on epochTime.
class EpochTimer {
public:
EpochTimer();
explicit EpochTimer(Json json);
Json toJson() const;
void update(double newEpochTime);
double elapsedTime() const;
void setElapsedTime(double elapsedTime);
friend DataStream& operator>>(DataStream& ds, EpochTimer& et);
friend DataStream& operator<<(DataStream& ds, EpochTimer const& et);
private:
Maybe<double> m_lastSeenEpochTime;
double m_elapsedTime;
};
}
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