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mojibake: adaptive timing #1002

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nick black 2020-09-06 23:51:49 -04:00
parent daf994dbfc
commit 806e604e58
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GPG Key ID: 5F43400C21CBFACC
1 changed files with 12 additions and 2 deletions
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14
src/demo/mojibake.c
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@ -3691,9 +3691,11 @@ int mojibake_demo(struct notcurses* nc){
// next one onscreen; at each step, we move all onscreen up by one row. when
// the last one exits via the top, we're done.
unsigned topmost = 0; // index of the topmost visible panel
struct timespec stepdelay;
int iters = 0;
struct timespec stepdelay, starttime;
// two seconds onscreen per plane at standard (1s) delay
timespec_div(&demodelay, dimy / 2, &stepdelay);
clock_gettime(CLOCK_MONOTONIC, &starttime);
do{
unsigned u = topmost;
do{
@ -3727,7 +3729,15 @@ int mojibake_demo(struct notcurses* nc){
++u;
}while(u < sizeof(planes) / sizeof(*planes));
DEMO_RENDER(nc);
demo_nanosleep(nc, &stepdelay);
++iters;
uint64_t targtime = iters * timespec_to_ns(&stepdelay) + timespec_to_ns(&starttime);
struct timespec curtime;
clock_gettime(CLOCK_MONOTONIC, &curtime);
if(timespec_to_ns(&curtime) < targtime){
struct timespec abs;
ns_to_timespec(targtime, &abs);
demo_nanosleep_abstime(nc, &abs);
}
}while(topmost < sizeof(planes) / sizeof(*planes));
for(unsigned u = 0 ; u < sizeof(planes) / sizeof(*planes) ; ++u){
ncplane_destroy(planes[u]);