public TransitionMatrix(MidiTrack _track)
{
nodeMatrix = new List <TransitionNode>();
sortedTrack = new MarkovSortedTrack(_track);
TransitionNode startNode = new TransitionNode(new MarkovNote(0x00, 0x00, 0x00));
nodeMatrix.Add(startNode);
previousReadNode = nodeMatrix[0];
previousWritePos = 0; //pos 0 in array- ie start of phrase
for (int i = 0; i < sortedTrack.notesWithLengths.Count; i++)
{
addNote(sortedTrack.notesWithLengths[i]);
}
}
//analyze transition matrix and generate notes
//how to deal with note offs? - add to an array?
public MarkovNote getNextNote()
{
TransitionNode _node;
_node = previousReadNode.getNextNote();
if (_node != null)
{
previousReadNode = _node;
return(_node.message);
}
else
{
Debug.Log("<color=red>Error:</color> non next note");
return(null);
}
}
public void addWeight(TransitionNode p_node)
{
//Debug.Log("Add weight num : " + transitionWeights.Count + " to node");
for (int i = 0; i < transitionWeights.Count; i++)
{
if (p_node.message.getMessageAsBytes().SequenceEqual(transitionWeights[i].getMessageAsBytes()))
{
transitionWeights[i].weight++; //add to probability if weight node already exists
allTransitionsWeight++;
return;
}
}
//else create new weighting and attach to exiting node ref
TransitionWeight connectorWeight = new TransitionWeight(p_node);
connectorWeight.weight++;
allTransitionsWeight++;
transitionWeights.Add(connectorWeight);
}
//each node- check it doesn't exist already
public void addNote(MarkovNote p_mes)
{
if (Midi.debugLevel > 1)
{
Debug.Log("Add note : " + p_mes.getByteOne());
}
for (int i = 0; i < nodeMatrix.Count; i++)
{
if (p_mes.getMessageAsBytes().SequenceEqual(nodeMatrix[i].getMessageAsBytes()) && p_mes.length == nodeMatrix[i].getNoteLen())
{
nodeMatrix[previousWritePos].addWeight(nodeMatrix[i]);
previousWritePos = i;
return;
}
}
TransitionNode node = new TransitionNode(p_mes);
nodeMatrix[previousWritePos].addWeight(node);
nodeMatrix.Add(node);
previousWritePos = nodeMatrix.Count - 1;
}
public TransitionWeight(TransitionNode p_node)
{
node = p_node;
}