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Piano: Use a real transport in the TrackManager

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This is technically only a stepping stone but needed to happen at some
point anyways. Now, there's no more integer time stored in Piano's
legacy datastructures directly.
This commit is contained in:
kleines Filmröllchen 2022-05-13 23:32:44 +02:00 • committed by Linus Groh
parent 37b340a698
commit 7e04560af4
6 changed files with 29 additions and 28 deletions
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18
Userland/Applications/Piano/TrackManager.cpp
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@ -9,20 +9,22 @@
#include "TrackManager.h"
#include "Applications/Piano/Music.h"
#include <AK/NonnullRefPtr.h>
TrackManager::TrackManager()
: m_transport(make_ref_counted<LibDSP::Transport>(120, 4))
{
add_track();
}
void TrackManager::time_forward(int amount)
{
int new_value = (static_cast<int>(m_time) + amount) % roll_length;
int new_value = (static_cast<int>(m_transport->time()) + amount) % roll_length;
if (new_value < 0) { // If the new time value is negative add roll_length to wrap around
m_time = roll_length + new_value;
m_transport->set_time(roll_length + new_value);
} else {
m_time = new_value;
m_transport->set_time(new_value);
}
}
@ -34,8 +36,10 @@ void TrackManager::fill_buffer(Span<Sample> buffer)
for (auto& track : m_tracks)
track->fill_sample(buffer[i]);
if (++m_time >= roll_length) {
m_time = 0;
m_transport->set_time(m_transport->time() + 1);
// FIXME: This should be handled automatically by Transport.
if (m_transport->time() >= roll_length) {
m_transport->set_time(0);
if (!m_should_loop)
break;
}
@ -53,7 +57,7 @@ void TrackManager::reset()
m_current_front_buffer = m_front_buffer.span();
m_current_back_buffer = m_back_buffer.span();
m_time = 0;
m_transport->set_time(0);
for (auto& track : m_tracks)
track->reset();
@ -84,7 +88,7 @@ void TrackManager::set_octave(int octave)
void TrackManager::add_track()
{
m_tracks.append(make<Track>(m_time));
m_tracks.append(make<Track>(m_transport));
}
int TrackManager::next_track_index()