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Simplified to use the delta_time_sec that is passed to the update() routine

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rather than calculating a separate delta_t and using that.
This commit is contained in:
curt 2002-12-14 14:39:56 +00:00
parent 51c5b9bf09
commit 0e69acaff7
1 changed files with 13 additions and 19 deletions
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32
src/Main/fg_io.cxx
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@ -250,34 +250,28 @@ FGIO::update( double delta_time_sec )
{
// cout << "processing I/O channels" << endl;
static int inited = 0;
int interval;
static SGTimeStamp last;
SGTimeStamp current;
if ( ! inited ) {
inited = 1;
last.stamp();
interval = 0;
} else {
current.stamp();
interval = current - last;
last = current;
}
// SGTimeStamp current_time;
// current_time.stamp();
// static SGTimeStamp start_time = current_time;
// double elapsed_time = (current_time - start_time) / 1000000.0;
// cout << " Elapsed time = " << elapsed_time << endl;
typedef vector< FGProtocol* > container;
container::iterator i = io_channels.begin();
container::iterator end = io_channels.end();
for (; i != end; ++i )
{
for (; i != end; ++i ) {
FGProtocol* p = *i;
if ( p->is_enabled() ) {
p->dec_count_down( interval );
while ( p->get_count_down() < 0 ) {
p->dec_count_down( delta_time_sec );
double dt = 1 / p->get_hz();
while ( p->get_count_down() < 0.33 * dt ) {
p->process();
p->dec_count_down(int( -1000000.0 / p->get_hz()));
p->inc_count_down( dt );
p->inc_count();
}
// double ave = elapsed_time / p->get_count();
// cout << " ave rate = " << ave << endl;
}
}
}