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::init(bool st_ticks)
52 get_ticks = st_ticks ? st_get_ticks : SDL_GetTicks;
56 Timer::start(unsigned int period_)
65 if(get_ticks == st_get_ticks)
74 if((time != 0) && (time + period > get_ticks()))
95 return (period - (get_ticks() - time));
101 return (get_ticks() - time);
105 Timer::fwrite(FILE* fi)
107 unsigned int diff_ticks;
110 diff_ticks = get_ticks() - time;
114 ::fwrite(&period,sizeof(unsigned int),1,fi);
115 ::fwrite(&diff_ticks,sizeof(unsigned int),1,fi);
116 if(get_ticks == st_get_ticks)
120 ::fwrite(&tick_mode,sizeof(unsigned int),1,fi);
124 Timer::fread(FILE* fi)
126 unsigned int diff_ticks;
129 ::fread(&period,sizeof(unsigned int),1,fi);
130 ::fread(&diff_ticks,sizeof(unsigned int),1,fi);
131 ::fread(&tick_mode,sizeof(unsigned int),1,fi);
134 get_ticks = st_get_ticks;
136 get_ticks = SDL_GetTicks;
139 time = get_ticks() - diff_ticks;