private BodyState assignParameter(BodyState initialState, ConceptRequirement requirement, Concept assignedConcept)
{
if (!requirement.Domain.Contains(assignedConcept))
{
return(null);
}
var parameterScore = _body.ParameterAssignScore(initialState, requirement, assignedConcept);
if (parameterScore <= 0)
{
return(null);
}
var assignedState = initialState.AssignParameter(requirement, assignedConcept, parameterScore);
var context = new BodyContext(requirement.RequestingConcept, _body, assignedState);
context.EvaluateActivation(requirement.RequestingConcept.Concept);
return(context.CurrentState);
}
private IEnumerable <BodyState> setPointer(BodyState inputState, Phrase phrase, Concept concept, double pointingProbability)
{
if (pointingProbability <= 0)
{
yield break;
}
var rankedConcept = new RankedConcept(concept, pointingProbability);
var state = inputState.SetPointer(phrase, rankedConcept);
var context = new BodyContext(rankedConcept, _body, state);
context.EvaluateActivation(concept);
yield return(context.CurrentState);
var assignmentInitialState = context.CurrentState;
//try parameter assignments
foreach (var requirement in assignmentInitialState.PendingRequirements)
{
foreach (var mentionedConcept in assignmentInitialState.RecentMentionedConcepts)
{
if (mentionedConcept == requirement.RequestingConcept.Concept)
{
//don't allow self assignments
continue;
}
var newState = assignParameter(assignmentInitialState, requirement, mentionedConcept);
if (newState != null)
{
yield return(newState);
}
}
}
}
