random_utils/src/TimeableObject.cpp

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#ifdef __APPLE__
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif

#include <random_utils/TimeableObject.h>


namespace random_utils
{

TimeableObject::TimeableObject()
{
    m_state = INITIALIZED;
}

TimeableObject::~TimeableObject()
{
    m_state = SHUTDOWN;
}

void
TimeableObject::wrapperFunction(int p_self)
{
    ((TimeableObject*)p_self)->internalTimerTick();
}

void
TimeableObject::internalTimerTick()
{
    if(m_state == SHUTDOWN)
    {
        m_state = INITIALIZED;
        return;
    }

    timerTick();

    if(m_state == RUNNING)
        restartTimer();

    else if(m_state == SHUTDOWN)
        m_state = INITIALIZED;
}

void
TimeableObject::startTimer(unsigned int p_milliseconds)
{
    m_currentDelay = p_milliseconds;

    if(m_state == RUNNING)
        return;


    if(m_state == SHUTDOWN)
        m_state = RUNNING;

    else
    {
        m_state = RUNNING;

        restartTimer();
    }
}

void
TimeableObject::stopTimer()
{
    if(m_state == RUNNING)
        m_state = SHUTDOWN;
}

void
TimeableObject::changeTimer(unsigned int p_milliseconds)
{
    m_currentDelay = p_milliseconds;
}

void
TimeableObject::restartTimer()
{
    glutTimerFunc(
        m_currentDelay, TimeableObject::wrapperFunction, (int)this);
}

} // namespace random_utils

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