private void MoveEntity(RankedTagReaction reaction)
{
// If not reacting to anything, keep moving to the current target.
if (reaction == null)
{
MoveTowardsTarget(_currentTarget.transform.position);
return;
}
// If the behavior is to avoid or purse, change targets.
if (reaction.Behavior == AIBehavior.Avoid ||
reaction.Behavior == AIBehavior.Pursue)
{
_currentTarget = reaction.ReactToObject;
}
// Move away from an object we want to avoid. Otherwise,
// Move towards a pursued object, or my current target position.
switch (reaction.Behavior)
{
case AIBehavior.Avoid:
MoveAwayFromTarget(_currentTarget.transform.position);
break;
default:
MoveTowardsTarget(_currentTarget.transform.position);
break;
}
}
private RankedTagReaction GetStrongestReactionToSensedEntities(List <GameObject> sensedEntities)
{
int winningPriority = 0;
RankedTagReaction winningReaction = null;
for (int i = 0; i < sensedEntities.Count; i++)
{
GameObject current = sensedEntities[i];
RankedTagReaction reaction;
try
{
reaction = GetReactionForTag(current.tag);
}
catch (MissingReferenceException)
{
// The object no longer exists. Choose something else.
continue;
}
if (reaction == null)
{
continue;
}
if (reaction.Rank <= winningPriority)
{
continue;
}
winningReaction = reaction;
winningReaction.ReactToObject = current;
}
return(winningReaction);
}
private RankedTagReaction GetReactionForTag(string tag)
{
RankedTagReaction result = null;
for (int i = 0; i < Reactions.Count; i++)
{
RankedTagReaction current = Reactions[i];
if (tag != current.Tag)
{
continue;
}
result = current;
}
return(result);
}
private void EvaluateSenses()
{
if (_currentTarget == null)
{
_currentTarget = MatchWaypointManager.FindNearestWaypoint(transform.position);
Animator.Play(MoveAnimation);
}
if (_currentTarget.tag == "Waypoint" &&
Vector3.Distance(transform.position, _currentTarget.transform.position) < 1.0f)
{
// TODO: Wait for a couple of seconds in the wait animation, then move again!
_currentTarget = MatchWaypointManager.FindRandomWaypointInRange(transform.position, _currentTarget);
}
List <GameObject> sensedEntities = Detector.SensedEntities;
_lastReaction = GetStrongestReactionToSensedEntities(sensedEntities);
MoveEntity(_lastReaction);
}