Timer.h

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#pragma once
#include "common/Export.h"
 
 
#include "common/Capability.h"
#include "common/Module.h"
#include "common/ServiceInterfaces.h"
#include "common/Time.h"
 
#include <cstdint>
#include <memory>
#include <vector>
 
namespace eve::timer {
 
class EVENGINE_API_FOUNDATION Timer : public Module, public eve::service::ITimer, public eve::ITimeSource {
public:
    Module_REG(Timer);
    Timer();
    ~Timer() override;
 
    float getTime() const;
    float getDelta() const;
    float step();
 
    [[nodiscard]] eve::MonotonicTimestamp monotonicNow() const override;
    [[nodiscard]] eve::WallClockTimestamp wallClockNow() const override;
 
    [[nodiscard]] eve::Result<std::vector<eve::SimulationStep>> stepSimulation();
    eve::SimulationClock& simulationClock();
    eve::Duration getDeltaDuration() const;
    eve::FrameIndex getFrameIndex() const;
 
    double elapsedSeconds() override { return getTime(); }
 
private:
    uint64_t                              freq_ = 0;
    eve::MonotonicTimestamp               start_;
    std::unique_ptr<eve::SimulationClock> simulationClock_;
};
 
}  // namespace eve::timer