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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* $URL$
* $Id$
*
*/
#include "backends/platform/sdl/timer.h"
#include "backends/timer/default/default-timer.h"
#include "common/EventRecorder.h"
#include <time.h> // for getTimeAndDate()
static Uint32 timer_handler(Uint32 interval, void *param) {
((DefaultTimerManager *)param)->handler();
return interval;
}
SdlSubSys_Timer::SdlSubSys_Timer()
:
_inited(false),
_timerID(),
_timer(0) {
}
SdlSubSys_Timer::~SdlSubSys_Timer() {
if (_inited) {
timerDone();
}
}
void SdlSubSys_Timer::timerInit() {
if (_inited) {
return;
}
if (SDL_InitSubSystem(SDL_INIT_TIMER) == -1) {
error("Could not initialize SDL Timer: %s", SDL_GetError());
}
// Create and hook up the timer manager, if none exists yet (we check for
// this to allow subclasses to provide their own).
if (_timer == 0) {
// Note: We could implement a custom SDLTimerManager by using
// SDL_AddTimer. That might yield better timer resolution, but it would
// also change the semantics of a timer: Right now, ScummVM timers
// *never* run in parallel, due to the way they are implemented. If we
// switched to SDL_AddTimer, each timer might run in a separate thread.
// However, not all our code is prepared for that, so we can't just
// switch. Still, it's a potential future change to keep in mind.
_timer = new DefaultTimerManager();
_timerID = SDL_AddTimer(10, &timer_handler, _timer);
}
_inited = true;
}
void SdlSubSys_Timer::timerDone() {
delete _timer;
SDL_RemoveTimer(_timerID);
SDL_QuitSubSystem(SDL_INIT_TIMER);
_inited = false;
}
bool SdlSubSys_Timer::hasFeature(Feature f) {
return false;
}
void SdlSubSys_Timer::setFeatureState(Feature f, bool enable) {
}
bool SdlSubSys_Timer::getFeatureState(Feature f) {
return false;
}
uint32 SdlSubSys_Timer::getMillis() {
uint32 millis = SDL_GetTicks();
g_eventRec.processMillis(millis);
return millis;
}
void SdlSubSys_Timer::delayMillis(uint msecs) {
SDL_Delay(msecs);
}
void SdlSubSys_Timer::getTimeAndDate(TimeDate &td) const {
time_t curTime = time(0);
struct tm t = *localtime(&curTime);
td.tm_sec = t.tm_sec;
td.tm_min = t.tm_min;
td.tm_hour = t.tm_hour;
td.tm_mday = t.tm_mday;
td.tm_mon = t.tm_mon;
td.tm_year = t.tm_year;
}
Common::TimerManager *SdlSubSys_Timer::getTimerManager() {
assert(_timer);
return _timer;
}
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