public override int DrawBatch(int maxBlocksToDraw)
{
int count = 0;
GetIterationBounds(0, out var fromT, out var toT, out var stepT);
GetIterationBounds(1, out var fromU, out var toU, out var stepU);
GetIterationBounds(2, out var fromV, out var toV, out var stepV);
for (double t = fromT; t <= toT; t += stepT)
{
for (double u = fromU; u <= toU; u += stepU)
{
for (double v = fromV; v <= toV; v += stepV)
{
Coords.X = _scaler.FromFuncResult(_expressions[0].Evaluate(t, u, v), Bounds.XMin, Bounds.XMax);
Coords.Y = _scaler.FromFuncResult(_expressions[1].Evaluate(t, u, v), Bounds.YMin, Bounds.YMax);
Coords.Z = _scaler.FromFuncResult(_expressions[2].Evaluate(t, u, v), Bounds.ZMin, Bounds.ZMax);
if (DrawOneBlock())
{
++count;
}
//if (TimeToEndBatch)
// return count;
}
}
}
IsDone = true;
return(count);
}
//this method exists to box coords nicely as ref params
private int InternalDraw(ref int arg1, ref int arg2, ref int val, int min1, int max1, int min2, int max2, int minV, int maxV, int maxBlocksToDraw)
{
if (arg1 <= 0)
{
throw new ArgumentOutOfRangeException(nameof(arg1));
}
Count = 0;
int exCount = 0;
DrawFasePrepare(min1, max1, min2, max2);
for (arg1 = min1; arg1 <= max1 && MathCommands.MaxCalculationExceptions >= exCount; ++arg1)
{
for (arg2 = min2; arg2 <= max2; ++arg2)
{
try
{
int fval =
_scaler.FromFuncResult(
_expression.Evaluate(_scaler.ToFuncParam(arg1, min1, max1),
_scaler.ToFuncParam(arg2, min2, max2)),
minV, maxV);
DrawFase1(fval, ref arg1, ref arg2, ref val, min1, max1, min2, max2, minV, maxV, maxBlocksToDraw);
//if (TimeToEndBatch)
// return _count;
}
catch (Exception)
{
//the exception here is kinda of normal, for functions (especially interesting ones)
//may have eg punctured points; we just have to keep an eye on the number, since producing 10000
//exceptions in the multiclient application is not the best idea
if (++exCount > MathCommands.MaxCalculationExceptions)
{
Player.Message("Function drawing is interrupted: too many (>" + MathCommands.MaxCalculationExceptions + ") calculation exceptions.");
break;
}
}
}
}
//the real drawing for the surface variant
DrawFase2(ref arg1, ref arg2, ref val, min1, max1, min2, max2, minV, maxV, maxBlocksToDraw);
return(Count);
}
