Initial

guitar/requirements.cpp

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+#include <guitar/requirements.hpp>
+#include <common/qsort.hpp>
+
+void Requirements::setRequirements(Block<Note> &notes)
+{
+  size(notes.size());
+  for(int index=0;index<notes.size();index++)
+	{
+	  operator[](index)=FrettedNote(notes[index],-1,-1);
+	}
+}
+
+bool Requirements::satisfyRequirements(NotePaths &notePaths)
+{
+	Array<Ordering> searchOrder;
+
+	searchOrder.size(notePaths.size());
+	for(int index=0;index<notePaths.size();index++)
+	{
+	  NotePath &notePath=notePaths[index];
+	  searchOrder[index]=Ordering(notePath.size(),index);
+	}
+	QuickSort<Ordering> sortOrder;
+	sortOrder.sortItems(searchOrder); // sort the sets in ascending order (ie) first item contains least number of solutions sets
+  for(index=0;index<searchOrder.size();index++)
+	{
+	  satisfyRequirement(notePaths[searchOrder[index].getValue()]);
+	}
+  return false;
+}
+
+bool Requirements::satisfyRequirement(NotePath &notePath)
+{
+  bool satisfied=false;
+	PtrRequirement requirement;
+
+  if(!notePath.size())return satisfied;
+	for(int pathIndex=0;pathIndex<notePath.size();pathIndex++)
+	{
+	  FrettedNote &frettedNote=notePath[pathIndex];
+    if(isPositionAvailable(frettedNote,requirement))
+		{
+		  *requirement=frettedNote;
+			requirement->setSatisfied(true);
+			satisfied=true;
+			break;
+		}
+	}
+  return satisfied;
+}
+
+bool Requirements::isPositionAvailable(const FrettedNote &frettedNote,PtrRequirement &requirement)
+{
+  for(int index=0;index<size();index++)
+	{
+	  requirement=&operator[](index);
+//		::OutputDebugString(requirement->toString()+String("\n"));
+//		::OutputDebugString(frettedNote.toString()+String("\n"));
+		if(requirement->getNote()==frettedNote.getNote()&&
+		   requirement->getOctave()==frettedNote.getOctave()&&
+			 !requirement->getSatisfied())return true;
+	}
+	return false;
+}
+
+bool Requirements::haveRequirement(const FrettedNote &frettedNote)
+{
+  for(int index=0;index<size();index++)
+	{
+	  Requirement &requirement=operator[](index);
+		if((requirement.getNote()==frettedNote.getNote())&&(requirement.getOctave()==frettedNote.getOctave())&&!requirement.getSatisfied())
+		{
+		  return true;
+		}
+	}
+	return false;
+}