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temporal: fix totally broken implementation of TempoMap::shift (timepos...)

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This commit is contained in:
Paul Davis 2023-08-31 18:22:59 -06:00
parent c778a6df67
commit cda0d6ce9f
1 changed files with 30 additions and 10 deletions
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40
libs/temporal/tempo.cc
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@ -1099,20 +1099,40 @@ TempoMap::paste (TempoMapCutBuffer const & cb, timepos_t const & position, bool
void
TempoMap::shift (timepos_t const & at, timecnt_t const & by)
{
superclock_t distance = by.superclocks ();
superclock_t at_superclocks = by.superclocks ();
Points::iterator p = _points.begin();
timecnt_t abs_by (by.abs());
superclock_t distance = abs_by.superclocks ();
superclock_t at_superclocks = abs_by.superclocks ();
while (p->sclock() < at_superclocks) {
++p;
}
if (p == _points.end()) {
if (distance == 0) {
return;
}
p->set (at_superclocks + distance, p->beats(), p->bbt());
reset_starting_at (at_superclocks);
std::cerr << "tm ripple @ " << at.str() << " by " << by.str() << std::endl;
for (auto & p : _points) {
if (p.sclock() >= at_superclocks) {
if (distance >= 0 || p.sclock() > distance) {
if (dynamic_cast<MusicTimePoint*> (&p)) {
continue;
}
superclock_t s = p.sclock() + distance;
BBT_Time bb = bbt_at (s);
Beats b = quarters_at_superclock (s);
std::cerr << "Move " << p << std::endl;
p.set (s, b, bb);
std::cerr << "\tto " << p << std::endl;
}
}
}
std::cerr << "post-ripple, before reset\n";
dump (std::cerr);
reset_starting_at (at_superclocks + distance);
dump (std::cerr);
}
void