public void Clear()
{
bestRecord = null;
worstRecord = null;
fear = 0;
friend = 0;
food = 0;
straight = 0;
eastWest = 0;
wall = 0;
}
private void Scan()
{
Vector3 actorPos = actor.transform.position;
Vector3 facing = actor.Forward;
Bounds liveable = World.Instance.GetLiveableArea(actor.liveableArea);
for(int i=0; i<choice.Count; ++i)
{
Direction dir = (Direction)i;
Vector3 dirVector = Utils.GetVector(dir);
float dotp = Vector3.Dot(facing, dirVector);
DirectionalData dirData = choice[i];
dirData.Clear();
if( dotp > 0.8 )
{
dirData.straight = 10;
}
else if( dotp > 0.6)
{
dirData.straight = 6;
}
else
{
dirData.straight = 0;
}
dirData.eastWest = EastWestDesire(dir);
if( dir == Direction.CENTER )
{
//temp
dirData.wall = -10;
}
else
{
dirData.wall = WallDesire(dir, actorPos, liveable);
}
choice[i] = dirData;
}
List<Actor> actors = World.Instance.allActors;
for(int i=0; i<actors.Count; ++i)
{
Actor other = actors[i];
if( other == actor || !other.IsAlive )
{
continue;
}
float range = Range(actor, other);
BrainRecord record = null;
if( records.ContainsKey(other.uid) )
{
record = records[other.uid];
}
else
{
record = new BrainRecord(other.uid);
records.Add(other.uid, record);
}
Direction dir = Direction.CENTER;
if( range > 3 )
{
dir = Utils.GetDirection(actor, other);
}
int d = (int)dir;
DirectionalData dirData = choice[d];
record.position = other.transform.position;
record.age = 0;
record.range = range;
record.fear = FearDesire(actor, other);
record.friend = FriendDesire(actor, other);
record.food = FoodDesire(actor, other);
dirData.fear = Mathf.Max(dirData.fear + record.fear, -10f);
dirData.friend = Mathf.Min(dirData.friend + record.friend, 10f);
dirData.food = Mathf.Min(dirData.food + record.food, 10f);
if( record.WorseThan(dirData.worstRecord, behaviour) )
{
dirData.worstRecord = record;
}
if( record.BetterThan(dirData.bestRecord, behaviour) )
{
dirData.bestRecord = record;
}
choice[d] = dirData;
}
}
public bool WorseThan(BrainRecord other, BrainBehaviour behaviour)
{
float lhs = BadSum(behaviour);
if( other == null )
{
return lhs < 0;
}
float rhs = other.BadSum(behaviour);
return lhs < rhs;
}
public bool BetterThan(BrainRecord other, BrainBehaviour behaviour)
{
float lhs = GoodSum(behaviour);
if( other == null )
{
return lhs > 0;
}
float rhs = other.GoodSum(behaviour);
return lhs > rhs;
}
