/// <summary>
/// Method for updating secondary motivation Aspect ( != attention/satisfaction/confidence)
/// </summary>
///
/// <param name="ms"> Motivation state for storing the new values. </param>
internal void updateSecondaryMotivationAspects(MotivationState ms)
{
MotivationModel mm = ms.getMotivationModel();
foreach (MotivationAspect ma in mm.motivationAspects.motivationAspectList)
{
if (!primaryMotivationAspects.Contains(ma.name))
{
if (ms.getMotivation().ContainsKey(ma.name))
{
try
{
double sol = FormulaInterpreter.eval(ma.rule);
ms.updateMotivationAspect(ma.name, sol);
}
catch (Exception e)
{
loggingMAs("Warning: Update for secondary motivation aspects not done.", Severity.Warning);
loggingMAs("Exception caught: " + e.Message);
}
}
else
{
loggingMAs("Warning: Motivation aspect not found!", Severity.Warning);
}
}
}
}
/// <summary>
/// This method validates the motivation model - the variables in the formulas are checked (Are they all motivation aspects?).
/// </summary>
///
/// <param name="MotivationModel"> The motivation model to validate. </param>
///
/// <returns> True if no error was found in the formulas, false otherwise. </returns>
internal Boolean validateMotivationModel(MotivationModel mm)
{
List <String> motivationAspects = new List <String>();
foreach (MotivationAspect ma in mm.motivationAspects.motivationAspectList)
{
motivationAspects.Add(ma.name);
}
Boolean valid;
foreach (MotivationAspect ma in mm.motivationAspects.motivationAspectList)
{
if (primaryMotivationAspects.Contains(ma.name))
{
valid = ruleValid(ma.down + "+" + ma.up, motivationAspects);
}
else
{
valid = ruleValid(ma.rule, motivationAspects);
}
if (!valid)
{
return(false);
}
}
return(true);
}
/// <summary>
/// Method for deserialization of a XML-String to the coressponding MotivationModel.
/// </summary>
///
/// <param name="str"> String containing the XML-MotivationModel for deserialization. </param>
///
/// <returns>
/// MotivationModel-type coressponding to the parameter "str" after deserialization.
/// </returns>
internal MotivationModel getMMFromXmlString(String str)
{
XmlSerializer serializer = new XmlSerializer(typeof(MotivationModel));
using (TextReader reader = new StringReader(str))
{
MotivationModel result = (MotivationModel)serializer.Deserialize(reader);
return(result);
}
}
/// <summary>
/// Method for loading the motivation model for a certain player.
/// </summary>
///
/// <param name="playerId"> Identification of player for which the MM is loaded. </param>
///
/// <returns> The motivation model for the specified player. </returns>
public MotivationModel getMotivationModel()
{
if (motivationModel != null)
{
return(motivationModel);
}
MotivationModel mm = loadDefaultMotivationModel();
motivationModel = mm;
return(mm);
}
/// <summary>
/// Method for replacing motivation component variables with the current values.
/// </summary>
///
/// <param name="expression"> String for which replacement should happen. </param>
///
/// <returns> String without any motivation component variables. </returns>
private static String replaceVariables(String expression)
{
MotivationState ms = MotivationAssessmentAsset.Handler.getMotivationState();
MotivationModel mm = ms.getMotivationModel();
foreach (MotivationAspect ma in mm.motivationAspects.motivationAspectList)
{
expression = expression.Replace(ma.name, ms.getMotivationAspectValue(ma.name).ToString());
}
MotivationAssessmentAsset.Handler.loggingMAs("FormulaInterpreter: expression to evaluate without variables=" + expression);
return(expression);
}
/// <summary>
/// Method for updating primary motivation Aspect (attention/satisfaction/confidence)
/// </summary>
///
///<param name="ms"> Motivation state for storing the new values. </param>
///<param name="aspect"> String containing "attention","satisfaction" or "confidence". Describes which component gets updated. </param>
///<param name="direction"> Boolean - if true upgrade, else downgrade is done. </param>
///<param name="playerId"> Identification of the player. </param>
internal void updatePrimaryMotivationAspect(MotivationState ms, String aspect, Boolean direction)
{
MotivationModel mm = ms.getMotivationModel();
MotivationAspect ma = mm.motivationAspects.getMotivationAspectByName(aspect);
String expression = direction ? ma.up : ma.down;
try
{
double sol = FormulaInterpreter.eval(expression);
ms.updateMotivationAspect(aspect, sol);
}
catch (Exception e)
{
loggingMAs("Warning: Update for primary motivation aspects not done.", Severity.Warning);
loggingMAs("Exception caught: " + e.Message);
}
}
/// <summary>
/// Motivation state c-tor
/// </summary>
///
/// <param name="mm"> MotivationModel for which this motivation state is created. </param>
public MotivationState(MotivationModel mm)
{
motivationModel = mm;
int counter = 0;
foreach (MotivationAspect ma in mm.motivationAspects.motivationAspectList)
{
motivation[ma.name] = 0.5;
if (MotivationAssessmentAsset.Handler.getPrimaryMotivationAspects().Contains(ma.name))
{
counter++;
}
}
if (counter != MotivationAssessmentAsset.Handler.getPrimaryMotivationAspects().Count)
{
MotivationAssessmentAsset.Handler.loggingMAs("Warning: MotivationalModel corrupted - at least one primary motivation aspect is missing!", Severity.Warning);
}
}