public List <Tuple <Unit, UnitVisibility> > ComputeDelta(
SightFinder SightFinder, Unit Unit, MovementEventArgs Movement)
{
if (Unit.Army == TrackingArmy)
{
return(new List <Tuple <Unit, UnitVisibility> >
{
new Tuple <Unit, UnitVisibility>(Unit, new UnitVisibility(true, Unit.Position))
});
}
var visible = SightFinder.IsSighted(Unit);
Tile lastSeen = null;
if (Movement != null && Movement.Path != null)
{
for (int i = Movement.Path.Count - 2; i >= 0; --i)
{
if (SightFinder.IsSighted(Unit, Movement.Path[i]))
{
lastSeen = Movement.Path[i + 1];
break;
}
}
}
return(new List <Tuple <Unit, UnitVisibility> >
{
new Tuple <Unit, UnitVisibility>(Unit, MergeVisibility(Unit, visible, OverrideLastSeen: lastSeen))
});
}
public List <Tuple <Unit, UnitVisibility> > ComputeDelta(
SightFinder SightFinder, List <Tuple <Tile, TileSightLevel> > TileDeltas)
{
var deltas = new List <Tuple <Unit, UnitVisibility> >();
foreach (var tileDelta in TileDeltas)
{
foreach (var unit in tileDelta.Item1.Units.Where(i => i.Army != TrackingArmy))
{
deltas.Add(
new Tuple <Unit, UnitVisibility>(
unit, MergeVisibility(unit, SightFinder.IsSighted(unit, tileDelta.Item2))));
}
if (tileDelta.Item2 == TileSightLevel.HARD_SPOTTED ||
(tileDelta.Item2 != TileSightLevel.NONE &&
!tileDelta.Item1.Rules.Concealing &&
!tileDelta.Item1.Rules.LowProfileConcealing))
{
foreach (var unit in _UnitVisibilities.Where(
i => i.Value.LastSeen == tileDelta.Item1 && i.Key.Position != i.Value.LastSeen).ToList())
{
if (tileDelta.Item2 == TileSightLevel.HARD_SPOTTED ||
!SightFinder.TileConceals(unit.Key, tileDelta.Item1))
{
deltas.Add(
new Tuple <Unit, UnitVisibility>(unit.Key, MergeVisibility(unit.Key, false, true)));
}
}
}
}
return(deltas);
}
public List <Tuple <Unit, UnitVisibility> > Update(SightFinder SightFinder, Unit Unit)
{
if (Unit.Army == TrackingArmy)
{
return(new List <Tuple <Unit, UnitVisibility> >
{
new Tuple <Unit, UnitVisibility>(Unit, new UnitVisibility(Unit.Position != null, Unit.Position))
});
}
return(new List <Tuple <Unit, UnitVisibility> >
{
new Tuple <Unit, UnitVisibility>(Unit, MergeVisibility(Unit, SightFinder.IsSighted(Unit)))
});
}