protected void ApplyInteraction(HengeInteraction interaction, Actor actor, Location target)
{
int dx = actor.Location.X - target.X;
int dy = actor.Location.Y - target.Y;
char [] inDirection = new char [] {
(dx > 0) ? 'e' : (dx < 0) ? 'w' : '-',
(dy > 0) ? 's' : (dy < 0) ? 'n' : '-'
};
char [] outDirection = new char [] {
(dx < 0) ? 'e' : (dx > 0) ? 'w' : '-',
(dy < 0) ? 's' : (dy > 0) ? 'n' : '-'
};
double baseTrack = actor.Traits.ContainsKey("Tracks")? actor.Traits["Tracks"].Value : Constants.BaseTrack;
double trackOut = baseTrack * (actor.Location.Traits.ContainsKey("Tracks")?actor.Location.Traits["Tracks"].Value : 0);
double trackIn = baseTrack * (target.Traits.ContainsKey("Tracks")?target.Traits["Tracks"].Value : 0);
if (actor is Avatar)
{
Dictionary<string, int> timesIn = new Dictionary<string, int>();
Dictionary<string, int> timesOut = new Dictionary<string, int>();
foreach(Trait track in target.TracesOut)
{
if (DateTime.Now<(DateTime)(track.Expiry))
{
Actor person = track.Subject as Actor;
if (timesOut.ContainsKey(person.Name))
{
timesOut[person.Name]++;
}
else timesOut.Add(person.Name, 1);
}
}
foreach(Trait track in target.TracesIn)
{
if(DateTime.Now<(DateTime)(track.Expiry))
{
Actor person = track.Subject as Actor;
if (timesIn.ContainsKey(person.Name))
{
timesIn[person.Name]++;
}
else timesIn.Add(person.Name, 1);
}
}
bool beenHere = false;
foreach(string name in timesIn.Keys)
{
if (name!=actor.Name)
{
int outTimes = timesOut.ContainsKey(name)?timesOut[name] : 0;
int totalTraffic = timesIn[name] + outTimes;
if (totalTraffic <3)
{
interaction.Log += (name + " has been here. ");
}
else
{
if (totalTraffic < 6)
{
interaction.Log += (name + " has been here more than once. ");
}
else
{
interaction.Log += (name + " has been here frequently. ");
}
}
if (outTimes < timesIn[name]) interaction.Log += "You cannot see any of their tracks leading away. ";
}
else beenHere = true;
}
if (timesOut.ContainsKey(actor.Name))
{
beenHere = true;
}
if (beenHere) interaction.Log += " It looks like you've been here before. ";
Avatar avatar = actor as Avatar;
//potential bottleneck here - may want to do smarter locking
using (interaction.Lock(avatar, avatar.Location.Inhabitants, target.Inhabitants, avatar.Location.TracesOut, target.TracesIn))
{
this.AddTracks(avatar.Location, avatar, false, outDirection.ToString(), trackOut, interaction);
this.AddTracks(target, avatar, true, inDirection.ToString(), trackIn, interaction);
avatar.Location.Inhabitants.Remove(avatar);
target.Inhabitants.Add(avatar);
avatar.Location = target;
}
interaction.Success(string.Format("You reach your destination, a {0}", target.Inspect(avatar).ShortDescription));
}
else
{
Npc npc = actor as Npc;
using (interaction.Lock(npc, npc.Location.Fauna, target.Fauna, npc.Location.TracesOut, target.TracesIn))
{
this.AddTracks(npc.Location, npc, false, outDirection.ToString(), trackOut, interaction);
this.AddTracks(target, npc, true, inDirection.ToString(), trackIn, interaction);
npc.Location.Fauna.Remove(npc);
target.Fauna.Add(npc);
npc.Location = target;
}
interaction.Success("Moved");
}
}
protected int CalculateDistance(Location source, Location destination)
{
if (source.Map == destination.Map)
{
int deltaX = source.X - destination.X;
int deltaY = source.Y - destination.Y;
// currently can't run in z, so don't bother calculating it.
// int deltaZ = source.Coordinates.Z - destination.Coordinates.Z;
return deltaX * deltaX + deltaY * deltaY;
}
else return int.MaxValue;
}
private void AddTracks(Location location, Actor actor, bool inbound, string flavour, double strength, HengeInteraction interaction)
{
IList<Trait> list = inbound? location.TracesIn : location.TracesOut;
foreach(Trait track in list)
{
if ((DateTime)(track.Expiry) >= DateTime.Now)
{
list.Remove(track);
interaction.Delete(track);
}
}
if (strength > 0)
{
if (list.Count >= Constants.MaximumTracks)
{
Constants.Randomise(list);
Trait overwritten = list[0];
list.RemoveAt(0);
interaction.Delete(overwritten);
}
list.Add(new Trait(Constants.MaximumTrackValue, 0, strength){ Subject=actor, Flavour = flavour, Expiry = DateTime.Now + Constants.TraceLife });
}
}
public bool CanSee(Location target)
{
return this.Visible.Contains(target) ^ this.InvertVisibility;
}
