the massive refactoring effort

[chaz/yoink] / src / Moof / Timer.cc

diff --git a/src/Moof/Timer.cc b/src/Moof/Timer.cc
deleted file mode 100644 (file)
index 3e42818..0000000
--- a/src/Moof/Timer.cc
+++ /dev/null
@@ -1,232 +0,0 @@
-
-/*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
-**]  All rights reserved.
-*
-* vi:ts=4 sw=4 tw=75
-*
-* Distributable under the terms and conditions of the 2-clause BSD license;
-* see the file COPYING for a complete text of the license.
-*
-**************************************************************************/
-
-#include <cerrno>
-#include <ctime>
-#include <limits>
-
-#include <SDL/SDL.h>
-
-#include "Log.hh"
-#include "Timer.hh"
-
-#if HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-
-namespace Mf {
-
-
-Scalar Timer::gNextFire = std::numeric_limits<Scalar>::max();
-std::map<unsigned,Timer*> Timer::gTimers;
-
-
-unsigned Timer::getNewID()
-{
-       static unsigned id = 1;
-       return id++;
-}
-
-
-void Timer::init(const Function& function, Scalar seconds, Mode mode)
-{
-       invalidate();
-
-       mMode = mode;
-
-       if (mMode != INVALID)
-       {
-               mFunction = function;
-
-               if (mode == ACTUAL)
-               {
-                       mAbsolute = seconds;
-               }
-               else
-               {
-                       mAbsolute = seconds - getTicks();
-                       mInterval = seconds;
-               }
-
-               mId = getNewID();
-               gTimers.insert(std::pair<unsigned,Timer*>(mId, this));
-
-               if (mAbsolute < gNextFire) gNextFire = mAbsolute;
-       }
-}
-
-
-bool Timer::isValid() const
-{
-       return mMode != INVALID;
-}
-
-void Timer::invalidate()
-{
-       if (mMode != INVALID)
-       {
-               gTimers.erase(mId);
-               mMode = INVALID;
-
-               if (isEqual(mAbsolute, gNextFire)) gNextFire = findNextFire();
-       }
-}
-
-
-void Timer::fire()
-{
-       Scalar t = getTicks();
-
-       if (mFunction) mFunction(*this, t);
-
-       if (isRepeating())
-       {
-               Scalar absolute = mAbsolute;
-
-               if (isEqual(mAbsolute, t, 1.0)) mAbsolute += mInterval;
-               else mAbsolute = mInterval + t;
-
-               if (isEqual(absolute, gNextFire)) gNextFire = findNextFire();
-       }
-       else
-       {
-               invalidate();
-       }
-}
-
-
-Scalar Timer::findNextFire()
-{
-       std::map<unsigned,Timer*>::iterator it;
-       Scalar nextFire = std::numeric_limits<Scalar>::max();
-
-       for (it = gTimers.begin(); it != gTimers.end(); ++it)
-       {
-               Scalar absolute = (*it).second->mAbsolute;
-               if (absolute < nextFire) nextFire = absolute;
-       }
-
-       return nextFire;
-}
-
-
-Scalar Timer::getSecondsRemaining() const
-{
-       return mAbsolute - getTicks();
-}
-
-bool Timer::isExpired() const
-{
-       return getSecondsRemaining() < 0.0;
-}
-
-bool Timer::isRepeating() const
-{
-       return mMode == REPEAT;
-}
-
-
-void Timer::fireIfExpired()
-{
-       fireIfExpired(getTicks());
-}
-
-void Timer::fireIfExpired(Scalar t)
-{
-       std::map<unsigned,Timer*>::iterator it;
-
-       if (gNextFire > t) return;
-
-       for (it = gTimers.begin(); it != gTimers.end(); ++it)
-       {
-               Timer* timer = (*it).second;
-               if (timer->isExpired()) timer->fire();
-       }
-}
-
-
-#if HAVE_CLOCK_GETTIME
-
-// Since the monotonic clock will provide us with the time since the
-// computer started, the number of seconds since that time could easily
-// become so large that it cannot be accurately stored in a float (even
-// with as little two days uptime), therefore we need to start from a more
-// recent reference (when the program starts).  Of course this isn't much
-// of an issue if scalar is a double-precision number.
-
-static time_t setReference_()
-{
-       struct timespec ts;
-
-       if (clock_gettime(CLOCK_MONOTONIC, &ts) != 0)
-       {
-               return 0;
-       }
-
-       return ts.tv_sec;
-}
-
-static const time_t reference = setReference_();
-
-
-Scalar Timer::getTicks()
-{
-       struct timespec ts;
-
-       int result = clock_gettime(CLOCK_MONOTONIC, &ts);
-       ASSERT(result == 0 && "cannot access clock");
-
-       return Scalar(ts.tv_sec - reference) +
-                  Scalar(ts.tv_nsec) / 1000000000.0;
-}
-
-void Timer::sleep(Scalar seconds, Mode mode)
-{
-       struct timespec ts;
-       int ret;
-
-       if (mode == ACTUAL) seconds -= getTicks();
-       ts.tv_sec = time_t(seconds);
-       ts.tv_nsec = long((seconds - Scalar(ts.tv_sec)) * 1000000000.0);
-
-       do
-       {
-               ret = nanosleep(&ts, &ts);
-       }
-       while (ret == -1 && errno == EINTR);
-}
-
-
-#else // ! HAVE_CLOCK_GETTIME
-
-
-// If we don't have posix timers, we'll have to use a different timing
-// method.  SDL only promises centisecond accuracy, but that's better than
-// a kick in the pants.
-
-Scalar Timer::getTicks()
-{
-       Uint32 ms = SDL_GetTicks();
-       return Scalar(ms / 1000) + Scalar(ms % 1000) / 1000.0;
-}
-
-void Timer::sleep(Scalar seconds, Mode mode)
-{
-       if (mode == ACTUAL) seconds -= getTicks();
-       SDL_Delay(Uint32(cml::clamp(int(seconds * 1000.0), 0, 1000)));
-}
-
-#endif // HAVE_CLOCK_GETTIME
-
-
-} // namespace Mf
-