private static void RunChaosGame(Variables v, FlameFunction[] Functions,
double[] SumWeights, FlameState P, bool Preview, double Gamma, double LightFactor,
ScriptNode Node, bool ShowStatus)
{
Random Gen = new Random();
FlameFunction f;
double Weight;
int i, j;
int c = Functions.Length;
for (i = 0; i < 20; i++)
{
Weight = Gen.NextDouble();
j = 0;
while (j < c - 1 && SumWeights[j] <= Weight)
{
j++;
}
f = Functions[j];
if (!f.Operate(P, v))
{
P.N = 0;
break;
}
}
if (Preview || Node.Expression.HandlesStatus)
{
System.DateTime Start = System.DateTime.Now;
System.DateTime NextPreview = Start.AddSeconds(1);
System.DateTime PrevPreview = Start;
System.DateTime Temp;
System.DateTime Temp2;
TimeSpan TimeLeft;
int NextPreviewDeciSeconds = 10;
int NrIterationsPerPreview = 4096;
int Pos = NrIterationsPerPreview;
long NrIterations;
long PrevNrIterations = 0;
long NrIterationsSinceLast;
double PercentDone;
double IterationsPerSeconds;
do
{
if (Pos-- <= 0)
{
Pos = NrIterationsPerPreview;
Temp = System.DateTime.Now;
if (Temp > NextPreview)
{
NextPreview = Temp.AddSeconds(NextPreviewDeciSeconds * 0.1);
if (NextPreviewDeciSeconds < 50)
{
NextPreviewDeciSeconds++;
}
if (Preview)
{
Node.Expression.Preview(new GraphBitmap(P.RenderBitmapHsl(Gamma, LightFactor, true, SKColors.Black)));
Temp2 = System.DateTime.Now;
double d = (Temp2 - Temp).TotalSeconds;
double d2 = (Temp - PrevPreview).TotalSeconds;
if (d / d2 > 0.1)
{
NrIterationsPerPreview <<= 1;
if (NrIterationsPerPreview < 0)
{
NrIterationsPerPreview = int.MaxValue;
}
}
}
NrIterations = P.N0 - P.N;
NrIterationsSinceLast = NrIterations - PrevNrIterations;
IterationsPerSeconds = NrIterationsSinceLast / (Temp - PrevPreview).TotalSeconds;
PercentDone = (100 * (1.0 - ((double)P.N) / P.N0));
TimeLeft = new TimeSpan((long)((Temp - Start).Ticks * 100 / PercentDone));
Node.Expression.Status(P.N.ToString() + " iterations left, " + NrIterations.ToString() + " iterations done, " + IterationsPerSeconds.ToString("F0") + " iterations/s, " + PercentDone.ToString("F1") + "% done, Time Left: " + TimeLeft.ToString() + ".");
PrevNrIterations = NrIterations;
PrevPreview = Temp;
}
}
Weight = Gen.NextDouble();
j = 0;
while (j < c - 1 && SumWeights[j] <= Weight)
{
j++;
}
f = Functions[j];
if (!f.Operate(P, v))
{
break;
}
}while (P.IncHistogram());
Node.Expression.Status(string.Empty);
}
else
{
do
{
Weight = Gen.NextDouble();
j = 0;
while (j < c - 1 && SumWeights[j] <= Weight)
{
j++;
}
f = Functions[j];
if (!f.Operate(P, v))
{
break;
}
}while (P.IncHistogram());
}
}