mirror of https://github.com/AxioDL/amuse.git
689 lines
17 KiB
C++
689 lines
17 KiB
C++
#include "amuse/Sequencer.hpp"
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#include "amuse/Submix.hpp"
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#include "amuse/Voice.hpp"
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#include "amuse/Engine.hpp"
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#include <map>
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namespace amuse
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{
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void Sequencer::ChannelState::_bringOutYourDead()
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{
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for (auto it = m_chanVoxs.begin(); it != m_chanVoxs.end();)
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{
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Voice* vox = it->second.get();
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vox->_bringOutYourDead();
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if (vox->_isRecursivelyDead())
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{
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it = m_chanVoxs.erase(it);
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continue;
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}
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++it;
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}
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for (auto it = m_keyoffVoxs.begin(); it != m_keyoffVoxs.end();)
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{
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Voice* vox = it->get();
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vox->_bringOutYourDead();
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if (vox->_isRecursivelyDead())
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{
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it = m_keyoffVoxs.erase(it);
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continue;
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}
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++it;
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}
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}
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void Sequencer::_bringOutYourDead()
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{
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for (auto& chan : m_chanStates)
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if (chan)
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chan._bringOutYourDead();
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if (!m_arrData && m_dieOnEnd && getVoiceCount() == 0)
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m_state = SequencerState::Dead;
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}
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void Sequencer::_destroy()
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{
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Entity::_destroy();
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if (m_studio)
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m_studio.reset();
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}
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Sequencer::~Sequencer()
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{
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if (m_studio)
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m_studio.reset();
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}
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Sequencer::Sequencer(Engine& engine, const AudioGroup& group, int groupId, const SongGroupIndex* songGroup, int setupId,
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std::weak_ptr<Studio> studio)
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: Entity(engine, group, groupId), m_songGroup(songGroup), m_studio(studio)
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{
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auto it = m_songGroup->m_midiSetups.find(setupId);
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if (it != m_songGroup->m_midiSetups.cend())
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m_midiSetup = it->second.data();
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}
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Sequencer::Sequencer(Engine& engine, const AudioGroup& group, int groupId, const SFXGroupIndex* sfxGroup,
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std::weak_ptr<Studio> studio)
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: Entity(engine, group, groupId), m_sfxGroup(sfxGroup), m_studio(studio)
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{
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std::map<uint16_t, const SFXGroupIndex::SFXEntry*> sortSFX;
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for (const auto& sfx : sfxGroup->m_sfxEntries)
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sortSFX[sfx.first] = &sfx.second;
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m_sfxMappings.reserve(sortSFX.size());
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for (const auto& sfx : sortSFX)
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m_sfxMappings.push_back(sfx.second);
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}
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Sequencer::ChannelState::~ChannelState() {}
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Sequencer::ChannelState::ChannelState(Sequencer& parent, uint8_t chanId)
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: m_parent(&parent), m_chanId(chanId)
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{
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if (m_parent->m_songGroup)
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{
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if (m_parent->m_midiSetup)
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{
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m_setup = &m_parent->m_midiSetup[chanId];
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if (chanId == 9)
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{
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auto it = m_parent->m_songGroup->m_drumPages.find(m_setup->programNo);
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if (it != m_parent->m_songGroup->m_drumPages.cend())
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{
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m_page = &it->second;
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m_curProgram = m_setup->programNo;
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}
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}
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else
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{
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auto it = m_parent->m_songGroup->m_normPages.find(m_setup->programNo);
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if (it != m_parent->m_songGroup->m_normPages.cend())
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{
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m_page = &it->second;
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m_curProgram = m_setup->programNo;
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}
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}
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m_curVol = m_setup->volume / 127.f;
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m_curPan = m_setup->panning / 64.f - 1.f;
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m_ctrlVals[0x5b] = m_setup->reverb;
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m_ctrlVals[0x5d] = m_setup->chorus;
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}
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else
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{
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if (chanId == 9)
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{
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auto it = m_parent->m_songGroup->m_drumPages.find(0);
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if (it != m_parent->m_songGroup->m_drumPages.cend())
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m_page = &it->second;
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}
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else
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{
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auto it = m_parent->m_songGroup->m_normPages.find(0);
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if (it != m_parent->m_songGroup->m_normPages.cend())
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m_page = &it->second;
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}
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m_curVol = 1.f;
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m_curPan = 0.f;
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m_ctrlVals[0x5b] = 0;
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m_ctrlVals[0x5d] = 0;
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}
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}
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else if (m_parent->m_sfxGroup)
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{
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m_curVol = 1.f;
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m_curPan = 0.f;
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m_ctrlVals[0x5b] = 0;
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m_ctrlVals[0x5d] = 0;
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}
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m_ctrlVals[7] = 127;
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m_ctrlVals[10] = 64;
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}
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void Sequencer::advance(double dt)
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{
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if (m_state == SequencerState::Playing)
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{
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if (m_stopFadeTime)
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{
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float step = dt / m_stopFadeTime * m_stopFadeBeginVol;
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float vol = std::max(0.f, m_curVol - step);
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if (vol == 0.f)
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{
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m_arrData = nullptr;
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m_state = SequencerState::Interactive;
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allOff(true);
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m_stopFadeTime = 0.f;
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return;
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}
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else
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{
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setVolume(vol);
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}
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}
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else if (m_volFadeTime)
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{
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float step = dt / m_volFadeTime * std::fabs(m_volFadeTarget - m_volFadeStart);
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float vol;
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if (m_curVol < m_volFadeTarget)
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vol = std::min(m_volFadeTarget, m_curVol + step);
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else
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vol = std::max(m_volFadeTarget, m_curVol - step);
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if (vol == m_volFadeTarget)
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m_volFadeTime = 0.f;
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else
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setVolume(vol);
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}
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if (m_songState.advance(*this, dt))
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{
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m_arrData = nullptr;
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m_state = SequencerState::Interactive;
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allOff();
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}
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}
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}
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size_t Sequencer::ChannelState::getVoiceCount() const
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{
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size_t ret = 0;
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for (const auto& vox : m_chanVoxs)
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ret += vox.second->getTotalVoices();
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for (const auto& vox : m_keyoffVoxs)
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ret += vox->getTotalVoices();
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return ret;
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}
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size_t Sequencer::getVoiceCount() const
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{
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size_t ret = 0;
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for (const auto& chan : m_chanStates)
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if (chan)
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ret += chan.getVoiceCount();
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return ret;
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}
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std::shared_ptr<Voice> Sequencer::ChannelState::keyOn(uint8_t note, uint8_t velocity)
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{
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if (m_parent->m_songGroup && !m_page)
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return {};
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/* If portamento is enabled for voice, pre-empt spawning new voices */
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if (std::shared_ptr<Voice> lastVoice = m_lastVoice.lock())
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{
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uint8_t lastNote = lastVoice->getLastNote();
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if (lastVoice->doPortamento(note))
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{
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m_chanVoxs.erase(lastNote);
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m_chanVoxs[note] = lastVoice;
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return lastVoice;
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}
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}
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/* Ensure keyoff sent first */
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auto keySearch = m_chanVoxs.find(note);
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if (keySearch != m_chanVoxs.cend())
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{
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if (keySearch->second == m_lastVoice.lock())
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m_lastVoice.reset();
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keySearch->second->keyOff();
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keySearch->second->setPedal(false);
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m_keyoffVoxs.emplace(std::move(keySearch->second));
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m_chanVoxs.erase(keySearch);
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}
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std::list<std::shared_ptr<Voice>>::iterator ret = m_parent->m_engine._allocateVoice(
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m_parent->m_audioGroup, m_parent->m_groupId, NativeSampleRate, true, false, m_parent->m_studio);
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if (*ret)
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{
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m_chanVoxs[note] = *ret;
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(*ret)->installCtrlValues(m_ctrlVals);
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ObjectId oid;
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bool res;
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if (m_parent->m_songGroup)
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{
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oid = m_page->objId;
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res = (*ret)->loadPageObject(oid, m_parent->m_ticksPerSec, note, velocity, m_ctrlVals[1]);
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}
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else if (m_parent->m_sfxMappings.size())
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{
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size_t lookupIdx = note % m_parent->m_sfxMappings.size();
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const SFXGroupIndex::SFXEntry* sfxEntry = m_parent->m_sfxMappings[lookupIdx];
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oid = sfxEntry->macro;
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note = sfxEntry->defKey;
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res = (*ret)->loadMacroObject(oid, 0, m_parent->m_ticksPerSec, note, velocity, m_ctrlVals[1]);
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}
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else
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return {};
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if (!res)
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{
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m_parent->m_engine._destroyVoice(ret);
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return {};
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}
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(*ret)->setVolume(m_parent->m_curVol * m_curVol);
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(*ret)->setReverbVol(m_ctrlVals[0x5b] / 127.f);
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(*ret)->setAuxBVol(m_ctrlVals[0x5d] / 127.f);
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(*ret)->setPan(m_curPan);
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(*ret)->setPitchWheel(m_curPitchWheel);
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if (m_ctrlVals[64] > 64)
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(*ret)->setPedal(true);
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m_lastVoice = *ret;
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}
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return *ret;
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}
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std::shared_ptr<Voice> Sequencer::keyOn(uint8_t chan, uint8_t note, uint8_t velocity)
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{
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if (chan > 15)
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return {};
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if (!m_chanStates[chan])
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m_chanStates[chan] = ChannelState(*this, chan);
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return m_chanStates[chan].keyOn(note, velocity);
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}
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void Sequencer::ChannelState::keyOff(uint8_t note, uint8_t velocity)
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{
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auto keySearch = m_chanVoxs.find(note);
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if (keySearch == m_chanVoxs.cend())
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return;
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if (keySearch->second == m_lastVoice.lock())
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m_lastVoice.reset();
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keySearch->second->keyOff();
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m_keyoffVoxs.emplace(std::move(keySearch->second));
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m_chanVoxs.erase(keySearch);
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}
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void Sequencer::keyOff(uint8_t chan, uint8_t note, uint8_t velocity)
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{
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if (chan > 15 || !m_chanStates[chan])
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return;
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m_chanStates[chan].keyOff(note, velocity);
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}
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void Sequencer::ChannelState::setCtrlValue(uint8_t ctrl, int8_t val)
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{
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m_ctrlVals[ctrl] = val;
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for (const auto& vox : m_chanVoxs)
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vox.second->_notifyCtrlChange(ctrl, val);
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for (const auto& vox : m_keyoffVoxs)
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vox->_notifyCtrlChange(ctrl, val);
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switch (ctrl)
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{
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case 7:
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setVolume(val / 127.f);
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break;
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case 10:
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setPan(val / 64.f - 1.f);
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break;
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default:
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break;
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}
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}
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bool Sequencer::ChannelState::programChange(int8_t prog)
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{
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if (m_parent->m_songGroup)
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{
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if (m_chanId == 9)
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{
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auto it = m_parent->m_songGroup->m_drumPages.find(prog);
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if (it != m_parent->m_songGroup->m_drumPages.cend())
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{
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m_page = &it->second;
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m_curProgram = prog;
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return true;
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}
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}
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else
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{
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auto it = m_parent->m_songGroup->m_normPages.find(prog);
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if (it != m_parent->m_songGroup->m_normPages.cend())
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{
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m_page = &it->second;
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m_curProgram = prog;
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return true;
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}
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}
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}
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return false;
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}
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void Sequencer::ChannelState::nextProgram()
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{
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int newProg = m_curProgram;
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while ((newProg += 1) <= 127)
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if (programChange(newProg))
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break;
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}
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void Sequencer::ChannelState::prevProgram()
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{
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int newProg = m_curProgram;
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while ((newProg -= 1) >= 0)
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if (programChange(newProg))
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break;
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}
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void Sequencer::setCtrlValue(uint8_t chan, uint8_t ctrl, int8_t val)
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{
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if (chan > 15)
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return;
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if (ctrl == 0x66)
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{
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printf("Loop Start\n");
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}
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else if (ctrl == 0x67)
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{
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printf("Loop End\n");
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}
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if (!m_chanStates[chan])
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m_chanStates[chan] = ChannelState(*this, chan);
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m_chanStates[chan].setCtrlValue(ctrl, val);
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}
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void Sequencer::ChannelState::setPitchWheel(float pitchWheel)
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{
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m_curPitchWheel = pitchWheel;
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for (const auto& vox : m_chanVoxs)
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vox.second->setPitchWheel(pitchWheel);
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for (const auto& vox : m_keyoffVoxs)
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vox->setPitchWheel(pitchWheel);
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}
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void Sequencer::setPitchWheel(uint8_t chan, float pitchWheel)
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{
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if (chan > 15)
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return;
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if (!m_chanStates[chan])
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m_chanStates[chan] = ChannelState(*this, chan);
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m_chanStates[chan].setPitchWheel(pitchWheel);
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}
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void Sequencer::setTempo(double ticksPerSec) { m_ticksPerSec = ticksPerSec; }
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void Sequencer::ChannelState::allOff()
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{
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for (auto it = m_chanVoxs.begin(); it != m_chanVoxs.end();)
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{
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if (it->second == m_lastVoice.lock())
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m_lastVoice.reset();
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it->second->keyOff();
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m_keyoffVoxs.emplace(std::move(it->second));
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it = m_chanVoxs.erase(it);
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}
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}
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void Sequencer::allOff(bool now)
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{
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if (now)
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for (auto& chan : m_chanStates)
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{
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if (chan)
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{
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for (const auto& vox : chan.m_chanVoxs)
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vox.second->kill();
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for (const auto& vox : chan.m_keyoffVoxs)
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vox->kill();
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chan.m_chanVoxs.clear();
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chan.m_keyoffVoxs.clear();
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}
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}
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else
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for (auto& chan : m_chanStates)
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if (chan)
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chan.allOff();
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}
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void Sequencer::allOff(uint8_t chan, bool now)
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{
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if (chan > 15 || !m_chanStates[chan])
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return;
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if (now)
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{
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for (const auto& vox : m_chanStates[chan].m_chanVoxs)
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vox.second->kill();
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for (const auto& vox : m_chanStates[chan].m_keyoffVoxs)
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vox->kill();
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m_chanStates[chan].m_chanVoxs.clear();
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m_chanStates[chan].m_keyoffVoxs.clear();
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}
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else
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m_chanStates[chan].allOff();
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}
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void Sequencer::ChannelState::killKeygroup(uint8_t kg, bool now)
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{
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for (auto it = m_chanVoxs.begin(); it != m_chanVoxs.end();)
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{
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Voice* vox = it->second.get();
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if (vox->m_keygroup == kg)
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{
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if (it->second == m_lastVoice.lock())
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m_lastVoice.reset();
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if (now)
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{
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it = m_chanVoxs.erase(it);
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continue;
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}
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vox->keyOff();
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m_keyoffVoxs.emplace(std::move(it->second));
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it = m_chanVoxs.erase(it);
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continue;
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}
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++it;
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}
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if (now)
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{
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for (auto it = m_keyoffVoxs.begin(); it != m_keyoffVoxs.end();)
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{
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Voice* vox = it->get();
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if (vox->m_keygroup == kg)
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{
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it = m_keyoffVoxs.erase(it);
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continue;
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}
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++it;
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}
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}
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}
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void Sequencer::killKeygroup(uint8_t kg, bool now)
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{
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for (auto& chan : m_chanStates)
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if (chan)
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chan.killKeygroup(kg, now);
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}
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std::shared_ptr<Voice> Sequencer::ChannelState::findVoice(int vid)
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{
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for (const auto& vox : m_chanVoxs)
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if (vox.second->vid() == vid)
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return vox.second;
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for (const auto& vox : m_keyoffVoxs)
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if (vox->vid() == vid)
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return vox;
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return {};
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}
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std::shared_ptr<Voice> Sequencer::findVoice(int vid)
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{
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|
for (auto& chan : m_chanStates)
|
|
{
|
|
if (chan)
|
|
{
|
|
std::shared_ptr<Voice> ret = chan.findVoice(vid);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
}
|
|
return {};
|
|
}
|
|
|
|
void Sequencer::ChannelState::sendMacroMessage(ObjectId macroId, int32_t val)
|
|
{
|
|
for (const auto& v : m_chanVoxs)
|
|
{
|
|
Voice* vox = v.second.get();
|
|
if (vox->getObjectId() == macroId)
|
|
vox->message(val);
|
|
}
|
|
for (const auto& v : m_keyoffVoxs)
|
|
{
|
|
Voice* vox = v.get();
|
|
if (vox->getObjectId() == macroId)
|
|
vox->message(val);
|
|
}
|
|
}
|
|
|
|
void Sequencer::sendMacroMessage(ObjectId macroId, int32_t val)
|
|
{
|
|
for (auto& chan : m_chanStates)
|
|
if (chan)
|
|
chan.sendMacroMessage(macroId, val);
|
|
}
|
|
|
|
void Sequencer::playSong(const unsigned char* arrData, bool dieOnEnd)
|
|
{
|
|
m_arrData = arrData;
|
|
m_dieOnEnd = dieOnEnd;
|
|
m_songState.initialize(arrData);
|
|
setTempo(m_songState.getTempo() * 384 / 60);
|
|
m_state = SequencerState::Playing;
|
|
}
|
|
|
|
void Sequencer::stopSong(float fadeTime, bool now)
|
|
{
|
|
if (fadeTime == 0.f)
|
|
{
|
|
allOff(now);
|
|
m_arrData = nullptr;
|
|
m_state = SequencerState::Interactive;
|
|
}
|
|
else
|
|
{
|
|
m_stopFadeTime = fadeTime;
|
|
m_stopFadeBeginVol = m_curVol;
|
|
}
|
|
}
|
|
|
|
void Sequencer::ChannelState::setVolume(float vol)
|
|
{
|
|
m_curVol = vol;
|
|
float voxVol = m_parent->m_curVol * m_curVol;
|
|
for (const auto& v : m_chanVoxs)
|
|
{
|
|
Voice* vox = v.second.get();
|
|
vox->setVolume(voxVol);
|
|
}
|
|
for (const auto& v : m_keyoffVoxs)
|
|
{
|
|
Voice* vox = v.get();
|
|
vox->setVolume(voxVol);
|
|
}
|
|
}
|
|
|
|
void Sequencer::ChannelState::setPan(float pan)
|
|
{
|
|
m_curPan = pan;
|
|
for (const auto& v : m_chanVoxs)
|
|
{
|
|
Voice* vox = v.second.get();
|
|
vox->setPan(m_curPan);
|
|
}
|
|
for (const auto& v : m_keyoffVoxs)
|
|
{
|
|
Voice* vox = v.get();
|
|
vox->setPan(m_curPan);
|
|
}
|
|
}
|
|
|
|
void Sequencer::setVolume(float vol, float fadeTime)
|
|
{
|
|
if (fadeTime == 0.f)
|
|
{
|
|
m_curVol = vol;
|
|
for (auto& chan : m_chanStates)
|
|
if (chan)
|
|
chan.setVolume(chan.m_curVol);
|
|
}
|
|
else
|
|
{
|
|
m_volFadeTime = fadeTime;
|
|
m_volFadeTarget = vol;
|
|
m_volFadeStart = m_curVol;
|
|
}
|
|
}
|
|
|
|
int8_t Sequencer::getChanProgram(int8_t chanId) const
|
|
{
|
|
if (chanId > 15)
|
|
return 0;
|
|
|
|
if (!m_chanStates[chanId])
|
|
{
|
|
if (!m_midiSetup)
|
|
return 0;
|
|
return m_midiSetup[chanId].programNo;
|
|
}
|
|
|
|
return m_chanStates[chanId].m_curProgram;
|
|
}
|
|
|
|
bool Sequencer::setChanProgram(int8_t chanId, int8_t prog)
|
|
{
|
|
if (chanId > 15)
|
|
return false;
|
|
|
|
if (!m_chanStates[chanId])
|
|
m_chanStates[chanId] = ChannelState(*this, chanId);
|
|
|
|
return m_chanStates[chanId].programChange(prog);
|
|
}
|
|
|
|
void Sequencer::nextChanProgram(int8_t chanId)
|
|
{
|
|
if (chanId > 15)
|
|
return;
|
|
|
|
if (!m_chanStates[chanId])
|
|
m_chanStates[chanId] = ChannelState(*this, chanId);
|
|
|
|
return m_chanStates[chanId].nextProgram();
|
|
}
|
|
|
|
void Sequencer::prevChanProgram(int8_t chanId)
|
|
{
|
|
if (chanId > 15)
|
|
return;
|
|
|
|
if (!m_chanStates[chanId])
|
|
m_chanStates[chanId] = ChannelState(*this, chanId);
|
|
|
|
return m_chanStates[chanId].prevProgram();
|
|
}
|
|
}
|