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