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46 lines
736 B
C++
46 lines
736 B
C++
#include "GpVOSEventQueue.h"
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#include <assert.h>
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GpVOSEventQueue::GpVOSEventQueue()
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: m_firstEvent(0)
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, m_numEventsQueued(0)
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{
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}
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GpVOSEventQueue::~GpVOSEventQueue()
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{
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}
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const GpVOSEvent *GpVOSEventQueue::GetNext()
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{
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if (m_numEventsQueued)
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return m_events + m_firstEvent;
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return nullptr;
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}
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void GpVOSEventQueue::DischargeOne()
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{
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assert(m_numEventsQueued > 0);
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m_numEventsQueued--;
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m_firstEvent++;
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if (m_firstEvent == kMaxEvents)
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m_firstEvent = 0;
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}
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GpVOSEvent *GpVOSEventQueue::QueueEvent()
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{
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if (m_numEventsQueued == kMaxEvents)
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return nullptr;
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size_t nextEvent = m_firstEvent + m_numEventsQueued;
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if (nextEvent >= kMaxEvents)
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nextEvent -= kMaxEvents;
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m_numEventsQueued++;
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return m_events + nextEvent;
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}
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