Method Step

Source/StepSequencer.cpp:674–721

}

void StepSequencer::Step(double time, float velocity, int pulseFlags)
{
   if (!mIsSetUp)
      return;

   mGrid->SetGrid(GetNumSteps(mStepInterval, mNumMeasures), mNumRows);

   if (!mEnabled)
   {
      UpdateLights();
      return;
   }

   int direction = 1;
   if (pulseFlags & kPulseFlag_Backward)
      direction = -1;
   if (pulseFlags & kPulseFlag_Repeat)
      direction = 0;

   mCurrentColumn = (mCurrentColumn + direction + GetNumSteps(mStepInterval, mNumMeasures)) % GetNumSteps(mStepInterval, mNumMeasures);

   if (pulseFlags & kPulseFlag_Reset)
      mCurrentColumn = 0;
   else if (pulseFlags & kPulseFlag_Random)
      mCurrentColumn = gRandom() % GetNumSteps(mStepInterval, mNumMeasures);

   if (!mHasExternalPulseSource || (pulseFlags & kPulseFlag_SyncToTransport))
      mCurrentColumn = GetStepNum(time);

   if (pulseFlags & kPulseFlag_Align)
   {
      int stepsPerMeasure = TheTransport->GetStepsPerMeasure(this);
      int numMeasures = ceil(float(GetNumSteps(mStepInterval, mNumMeasures)) / stepsPerMeasure);
      int measure = TheTransport->GetMeasure(time) % numMeasures;
      int step = ((TheTransport->GetQuantized(time, mTransportListenerInfo) % stepsPerMeasure) + measure * stepsPerMeasure) % GetNumSteps(mStepInterval, mNumMeasures);
      mCurrentColumn = step;
   }

   mGrid->SetHighlightCol(time, mCurrentColumn);
   UpdateLights();
   UpdateMetaLights();

   if (mHasExternalPulseSource)
   {
      for (auto& row : mRows)
         row->PlayStep(time, mCurrentColumn);
   }
}

void StepSequencer::PlayStepNote(double time, int note, float val)
{