NoteNode::NoteNode(Node * parent, const NoteInfo & info)
: Node(parent)
, info_(info)
{
mutable_type() = NODE_TYPE_NOTE;
mutable_name() = info.name();
mutable_display_name() = info.name();
}
f32 Envelope::Generate(f32 phase, NoteInfo& note){
if(!(note.envFlags & (1<<id))) return 0.0;
phase *= ServerLogic::tempo / 60.0;
auto position = phase - note.beginTime;
switch(type){
case EnvelopeType::None:
note.envFlags &= ~(1<<id);
return 0.0;
case EnvelopeType::DC: {
if(!note.held()) note.envFlags &= ~(1<<id);
return dc;
}
case EnvelopeType::Linear: {
auto o = 1.0-position/release;
if(o < 0.0) note.envFlags &= ~(1<<id);
return std::max(o, 0.0);
}
case EnvelopeType::AR: {
auto o = (position < attack)?(position/attack):(1.0-(position-attack)/release);
if(o < 0.0) note.envFlags &= ~(1<<id);
return std::min(o, 1.0);
}
case EnvelopeType::ADSR:{
auto end = note.beginTime + attack + decay;
if(end < note.endTime) end = note.endTime;
auto rpos = phase - end;
if(position <= attack){
return std::min(position/attack, 1.f);
}else if(position-attack <= decay){
return std::max(1.0 - (position-attack)/decay *(1.0-sustain), 0.0);
}else if(note.held() || phase < note.endTime){
return sustain;
}else if(rpos < release){
return std::max((1.0-rpos/release)*sustain, 0.0);
}
note.envFlags &= ~(1<<id);
return 0.0;
}
default: throw "Invalid envelope";
}
return 0.0; // No envelope
}
bool ContentManager::addNoteIndex(const NoteInfo & note)
{
QString path = getSketchDB(note.name());
// Ensure note has been created.
ContentNode info;
getContentNode(info, path, true);
return NotesManager::addIndex(*database_, note);
}
void UIMain::slotUpdateNoteInfo(NoteInfo note)
{
if (note.getSymbol()!=err){
updateDrawArea(note.getSemitone());
double const f = note.getFrequency();
QString const freq = QString(" (%1 Hz)")
.arg(f == 0 ? "?" : QString::number(f,'f',0));
ui.labelFreq ->setText(freq);
ui.labelNote ->setText(note.getSymbolString()+" ");
double const rem = note.getRemainder();
QString sRem = QString::number(rem,'f',2);
if (rem>=0) sRem.prepend("+");
ui.labelRemainder->setText(sRem);
}else{
updateDrawArea(-100); // move out of sight
ui.labelFreq ->setText(" (? Hz)");
ui.labelNote ->setText("?");
ui.labelRemainder->setText("+0.0");
}
}
