scummvm/backends/timer/sdl/sdl-timer.cpp
2025-02-18 22:13:56 +01:00

64 lines
1.8 KiB
C++

/* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "common/scummsys.h"
#if defined(SDL_BACKEND)
#include "backends/timer/sdl/sdl-timer.h"
#include "common/textconsole.h"
#if SDL_VERSION_ATLEAST(3, 0, 0)
static Uint32 timer_handler(void *userdata, SDL_TimerID timerID, Uint32 interval) {
((DefaultTimerManager *)userdata)->handler();
return interval;
}
#else
static Uint32 timer_handler(Uint32 interval, void *param) {
((DefaultTimerManager *)param)->handler();
return interval;
}
#endif
SdlTimerManager::SdlTimerManager() {
#if !SDL_VERSION_ATLEAST(3, 0, 0)
// Initializes the SDL timer subsystem
if (SDL_InitSubSystem(SDL_INIT_TIMER) == -1) {
error("Could not initialize SDL: %s", SDL_GetError());
}
#endif
// Creates the timer callback
_timerID = SDL_AddTimer(10, &timer_handler, this);
}
SdlTimerManager::~SdlTimerManager() {
// Removes the timer callback
SDL_RemoveTimer(_timerID);
#if !SDL_VERSION_ATLEAST(3, 0, 0)
SDL_QuitSubSystem(SDL_INIT_TIMER);
#endif
}
#endif