2 // C Implementation: timer
7 // Author: Tobias Glaesser <tobi.web@gmx.de>, (C) 2004
9 // Copyright: See COPYING file that comes with this distribution
17 unsigned int st_pause_ticks, st_pause_count;
19 unsigned int st_get_ticks(void)
21 if(st_pause_count != 0)
22 return SDL_GetTicks() - st_pause_ticks - SDL_GetTicks() + st_pause_count;
24 return SDL_GetTicks() - st_pause_ticks;
27 void st_pause_ticks_init(void)
33 void st_pause_ticks_start(void)
35 st_pause_count = SDL_GetTicks();
38 void st_pause_ticks_stop(void)
40 st_pause_ticks += SDL_GetTicks() - st_pause_count;
44 void timer_init(timer_type* ptimer, int st_ticks)
50 ptimer->get_ticks = st_get_ticks;
52 ptimer->get_ticks = SDL_GetTicks;
56 void timer_start(timer_type* ptimer, unsigned int period)
58 ptimer->time = ptimer->get_ticks();
59 ptimer->period = period;
62 void timer_stop(timer_type* ptimer)
64 if(ptimer->get_ticks == st_get_ticks)
65 timer_init(ptimer,YES);
67 timer_init(ptimer,NO);
70 int timer_check(timer_type* ptimer)
72 if((ptimer->time != 0) && (ptimer->time + ptimer->period > ptimer->get_ticks()))
81 int timer_started(timer_type* ptimer)
89 int timer_get_left(timer_type* ptimer)
91 return (ptimer->period - (ptimer->get_ticks() - ptimer->time));
94 int timer_get_gone(timer_type* ptimer)
96 return (ptimer->get_ticks() - ptimer->time);