/// <summary> Checks that a fg has at most one active musical loop </summary>
/// <returns> true if one or fewer active loops, false otherwise</returns>
public bool CheckMaxOneActiveFGLoop(LoopFunctionalGroup fg)
{
int activeLoops = 0;
int key = fg.GetHashCode();
List <MusicalLoop> fgList;
// Given fg as key, calculate number of active loops in its list of musical loops
if (loopsByFGGroup.TryGetValue(key, out fgList))
{
foreach (MusicalLoop loop in fgList)
{
if (loop.GetLoopState() != LoopState.Inactive && loop.GetLoopState() != LoopState.Syncing)
{
activeLoops++;
}
}
if (activeLoops > 1)
{
return(false);
}
}
else
{
Console.WriteLine("ERROR: FG Group not found in LoopFGHashMap!");
return(false);
}
return(true);
}
/// <summary> MusicalLoop Constructor </summary>
/// <exception cref="ArgumentNullException"> Thrown if input material, particle system, or LoopFGHashMap are null </exception>
/// <exception cref="MultipleActiveLoopsInFGException"> Thrown if fg has multiple active loops </exception>
public MusicalLoop(LoopFunctionalGroup fg1, string soundFile1, Material mat1, uint currMeasure, ParticleSystem particleSystem1, LoopFGHashMap lFGHashMap1)
{
// Pre-conditions
if (mat1 == null)
{
throw new ArgumentNullException(String.Format("{0} is null", mat1),
"mat1");
}
if (particleSystem1 == null)
{
throw new ArgumentNullException(String.Format("{0} is null", particleSystem1),
"particleSystem1");
}
if (lFGHashMap1 == null)
{
throw new ArgumentNullException(String.Format("{0} is null", lFGHashMap1),
"lFGHashMap1");
}
if (!lFGHashMap1.CheckMaxOneActiveFGLoop(fg1))
{
throw new MultipleActiveLoopsInFGException(fg1.ToString());
}
// Initialize variables
this.funcGroup = fg1;
this.soundFile = soundFile1;
this.mat = mat1;
this.particleSystem = particleSystem1;
this.lFGHashMap = lFGHashMap1;
SetLoopState(LoopState.Inactive, currMeasure);
}
/// <summary>
/// Initializes a match's loop, and adds it to the loopPerFGHashMap
/// </summary>
private void InitializeMusicalLoops()
{
Material mat = new Material(Color.FromName("Black"));
string soundfile = "bass.png";
LoopFunctionalGroup fg = LoopFunctionalGroup.Percussion;
//Fill the loops array with musical loops
for (int i = 0; i < loops.Length; i++)
{
MusicalLoop loop = new MusicalLoop(fg, soundfile, mat, measure, pSystem, lFGHashMap);
loops[i] = loop;
lFGHashMap.Add(loop);
newMeasureHandler.NewMeasure += loop.OnNewMeasureEvent;
}
}