BandwidthMerger.hxx

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#ifndef _UTILS_BANDWIDTHMERGER_HXX_
#define _UTILS_BANDWIDTHMERGER_HXX_
 
#include <inttypes.h>
 
#include "utils/macros.h"
 
struct BandwidthMerger
{
    BandwidthMerger(uint8_t percent)
        : percentFirst_(percent)
    {
        HASSERT(percentFirst_ <= 100);
    }
    bool step()
    {
        currentState_ += percentFirst_;
        if (currentState_ >= 100)
        {
            currentState_ -= 100;
            return true;
        }
        return false;
    }
 
    void reset()
    {
        // Reduces the state by 100 but clips it to zero. Since the state is
        // always < 100, the clipping will always win.
        currentState_ = 0;
    }
 
    uint8_t currentState_ {0};
    uint8_t percentFirst_;
};
 
#endif // _UTILS_BANDWIDTHMERGER_HXX_