/// <summary>
/// Returns the current priority for this behaviour, based on all attached & enabled considerations.
/// </summary>
public float Evaluate()
{
// Raise pre-evaluation events
_preEvaluation.Invoke();
// Calculate priority
float totalPriority = 0.0f;
int i = 0;
float considerations = 0;
// Iterate through each consideration to get total priority
while (i < _considerations.Count)
{
uaiConsideration c = _considerations[i];
if (c._enabled)
{
totalPriority += c.Evaluate() * c._weight;
considerations += c._weight;
}
i++;
}
if (considerations == 0)
{
return(0.0f);
}
return((totalPriority / considerations) * _weight);
}
/// <summary>
/// Used internally to iterate through each consideration &
/// link them to the correct properties.
/// </summary>
private void LinkConsiderations()
{
if (_agent)
{
// Iterate through each consideration
for (int i = 0; i < _considerations.Count; i++)
{
uaiConsideration c = _considerations[i];
// Find the correct property attached to the agent
uaiProperty property = _agent.FindProperty(c._propertyName);
if (property != null)
{
c.property = property;
}
else
{
// No property matching the consideration's name was found
Debug.LogWarning("No attached property with name '" + c._propertyName + "' was found. The consideration will be removed.");
_considerations.RemoveAt(i);
i--;
}
}
}
}