63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
#ifndef YAZE_APP_EMU_CLOCK_H_
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#define YAZE_APP_EMU_CLOCK_H_
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#include <cstdint>
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namespace yaze {
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namespace app {
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namespace emu {
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class Clock {
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public:
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virtual ~Clock() = default;
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virtual void UpdateClock(double delta) = 0;
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virtual unsigned long long GetCycleCount() const = 0;
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virtual void ResetAccumulatedTime() = 0;
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virtual void SetFrequency(float new_frequency) = 0;
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virtual float GetFrequency() const = 0;
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};
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class ClockImpl : public Clock {
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public:
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ClockImpl() = default;
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virtual ~ClockImpl() = default;
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void UpdateCycleCount(double deltaTime) {
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accumulatedTime += deltaTime;
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double cycleTime = 1.0 / frequency;
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while (accumulatedTime >= cycleTime) {
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Cycle();
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accumulatedTime -= cycleTime;
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}
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}
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void Cycle() {
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cycle++;
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cycleCount++;
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}
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void UpdateClock(double delta) override {
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UpdateCycleCount(delta);
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ResetAccumulatedTime();
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}
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void ResetAccumulatedTime() override { accumulatedTime = 0.0; }
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unsigned long long GetCycleCount() const override { return cycleCount; }
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float GetFrequency() const override { return frequency; }
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void SetFrequency(float new_frequency) override {
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this->frequency = new_frequency;
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}
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private:
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uint64_t cycle = 0; // Current cycle
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float frequency = 0.0; // Frequency of the clock in Hz
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unsigned long long cycleCount = 0; // Total number of cycles executed
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double accumulatedTime = 0.0; // Accumulated time since the last cycle update
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};
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} // namespace emu
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} // namespace app
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} // namespace yaze
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#endif // YAZE_APP_EMU_CLOCK_H_
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