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 if(st_pause_count == 0)
43 st_pause_ticks += SDL_GetTicks() - st_pause_count;
48 timer_type::init(bool st_ticks)
52 get_ticks = st_ticks ? st_get_ticks : SDL_GetTicks;
56 timer_type::start(unsigned int period_)
65 if(get_ticks == st_get_ticks)
74 if((time != 0) && (time + period > get_ticks()))
92 int timer_get_left(timer_type* ptimer)
94 return (ptimer->period - (ptimer->get_ticks() - ptimer->time));
97 int timer_get_gone(timer_type* ptimer)
99 return (ptimer->get_ticks() - ptimer->time);
102 void timer_fwrite(timer_type* ptimer, FILE* fi)
104 unsigned int diff_ticks;
106 if(ptimer->time != 0)
107 diff_ticks = ptimer->get_ticks() - ptimer->time;
111 fwrite(&ptimer->period,sizeof(unsigned int),1,fi);
112 fwrite(&diff_ticks,sizeof(unsigned int),1,fi);
113 if(ptimer->get_ticks == st_get_ticks)
117 fwrite(&tick_mode,sizeof(unsigned int),1,fi);
120 void timer_fread(timer_type* ptimer, FILE* fi)
122 unsigned int diff_ticks;
124 fread(&ptimer->period,sizeof(unsigned int),1,fi);
125 fread(&diff_ticks,sizeof(unsigned int),1,fi);
126 fread(&tick_mode,sizeof(unsigned int),1,fi);
129 ptimer->get_ticks = st_get_ticks;
131 ptimer->get_ticks = SDL_GetTicks;
134 ptimer->time = ptimer->get_ticks() - diff_ticks;