/// <summary>
/// Sets the parameters that are common to all EvaluationJobs. This should be called by the
/// class inheriting from this class during configuration.
/// </summary>
protected void SetExpressionBaseParameters(EvaluationInput input)
{
if (this.expression != null)
{
char charVarName = 'a';
foreach (MssParamInfo varInfo in input.VariableParamInfoList)
{
double relVal = CustomMathUtils.AbsToRelVal(varInfo.MinValue, varInfo.MaxValue, varInfo.GetValue());
this.expression.Parameters[varInfo.Name.ToLower()] = varInfo.GetValue();
this.expression.Parameters[varInfo.Name.ToLower() + "_rel"] = relVal;
if (charVarName <= 'z')
{
this.expression.Parameters[charVarName.ToString()] = varInfo.GetValue();
this.expression.Parameters[charVarName.ToString() + "_rel"] = relVal;
charVarName++;
}
}
int paramNum = 1;
foreach (MssParamInfo varInfo in input.TransformParamInfoList)
{
double relVal = CustomMathUtils.AbsToRelVal(varInfo.MinValue, varInfo.MaxValue, varInfo.GetValue());
this.expression.Parameters[varInfo.Name.ToLower()] = varInfo.GetValue();
this.expression.Parameters[varInfo.Name.ToLower() + "_rel"] = relVal;
this.expression.Parameters["p" + paramNum.ToString()] = varInfo.GetValue();
this.expression.Parameters["p" + paramNum.ToString() + "_rel"] = relVal;
paramNum++;
}
}
else
{
//This function should not be called when the expression is null.
Debug.Assert(false);
}
}
protected void ParameterValueChanged(MssParameterID paramId, double newValue)
{
lock (MssComponentHub.criticalSectioinLock)
{
if (this.hostInfoOutput.SampleRateIsInitialized == false)
{
return;
}
long watchOffestAtParamChanged = this.stopwatch.Elapsed.Ticks;
MssParamInfo paramInfo = this.mssParameters.GetParameterInfoCopy(paramId);
double relValue = CustomMathUtils.AbsToRelVal(paramInfo.MinValue, paramInfo.MaxValue, newValue);
MssMsg paramMsg = new MssMsg(MssMsgType.Parameter,
(int)paramId,
MssMsgUtil.UNUSED_MSS_MSG_DATA,
relValue);
MssEvent paramEvent = new MssEvent();
paramEvent.mssMsg = paramMsg;
long ticksSinceCycleEnd = watchOffestAtParamChanged - this.watchOffestAtLastCycleEnd;
double secondsSinceCycleEnd = ticksSinceCycleEnd / (double)TimeSpan.TicksPerSecond;
long samplesSinceCycleEnd = (long)Math.Round(secondsSinceCycleEnd * this.hostInfoOutput.SampleRate);
//Sometimes the stopwatch may not be accurate enough to notice the difference
//between the end of the last cycle and now. Setting samplesSinceCycleEnd to
//1 will cause this event to happen at the very start of this processing cycle.
if (samplesSinceCycleEnd == 0)
{
samplesSinceCycleEnd = 1;
}
paramEvent.sampleTime = this.sampleTimeAtLastCycleEnd + samplesSinceCycleEnd;
this.dryEventInput.ReceiveDryMssEvent(paramEvent);
}
}
