/// <summary>
/// Scramble.
/// </summary>
/// <param name="numTwists"></param>
public void Scramble(int numTwists)
{
System.Random rand = new System.Random();
List <IdentifiedTwistData> allTwistData = m_puzzle.AllTwistData;
if (allTwistData.Count == 0)
{
return;
}
bool earthquake = m_puzzle.Config.Earthquake;
for (int i = 0; i < numTwists; i++)
{
m_currentTwist = new SingleTwist();
m_currentTwist.IdentifiedTwistData = allTwistData[rand.Next(allTwistData.Count)];
m_currentTwist.LeftClick = rand.Next(2) == 1;
// Try to avoid repeats of last (suggested by Melinda).
IdentifiedTwistData last = m_twistHistory.AllTwists.Count == 0 ? null : m_twistHistory.AllTwists.Last().IdentifiedTwistData;
if (last != null && allTwistData.Count > 2)
{
while (last == m_currentTwist.IdentifiedTwistData)
{
m_currentTwist.IdentifiedTwistData = allTwistData[rand.Next(allTwistData.Count)];
}
}
else
{
m_currentTwist.IdentifiedTwistData = allTwistData[rand.Next(allTwistData.Count)];
}
TwistData td = m_currentTwist.IdentifiedTwistData.TwistDataForStateCalcs.First();
int numSlices = td.NumSlices;
int randomSlice = rand.Next(numSlices);
if (!earthquake)
{
randomSlice += 1;
}
m_currentTwist.SliceMask = SliceMask.SliceToMask(randomSlice);
if (earthquake)
{
int choppedSeg = m_currentTwist.SliceMask * 2;
Vector3D lookup = td.Pants.TinyOffset(choppedSeg);
Vector3D reflected = td.Pants.Hexagon.Segments[choppedSeg].ReflectPoint(lookup);
TwistData tdEarthQuake = m_puzzle.ClosestTwistingCircles(reflected);
m_currentTwist.IdentifiedTwistDataEarthquake = tdEarthQuake.IdentifiedTwistData;
// Fix scrambing here.
m_currentTwist.SliceMaskEarthquake = tdEarthQuake.Pants.Closest(reflected) / 2;
}
// Apply the twist.
FinishRotate(updateStatus: false);
}
m_twistHistory.Scrambles += numTwists;
InvalidateAllAndUpdateStatus();
}
