private void SetAttackAndDefense()
{
Attackers.Clear();
Defenders.Clear();
List <Actor> units_within_range = FindObjectsOfType <Actor>().
Where(actor => Vector3.Distance(actor.transform.position, transform.position) < influence_zone_radius).
ToList();
if (NodeFaction != null)
{
// attack and defense is determined by who currently claims the node
for (int i = 0; i < units_within_range.Count; i++)
{
Actor actor = units_within_range[i];
if (actor != null)
{
if (actor.CurrentFaction.IsHostileTo(NodeFaction))
{
if (!Attackers.Contains(actor) && actor != null)
{
Attackers.Add(actor);
}
}
else
{
if (!Defenders.Contains(actor) && actor != null)
{
Defenders.Add(actor);
}
}
}
}
}
else
{
// the attackers are the faction with the most units; everybody else can try to kill them
// NOTE: the faction that has the most units for the last boost gains the node (of course, then they have to keep it)
var faction_units = units_within_range
.GroupBy(unit => unit.CurrentFaction,
(faction, factions) => new {
Key = faction,
Count = factions.Count()
})
.OrderByDescending(faction => faction.Count);
Attackers.AddRange(units_within_range.Where(unit => unit.CurrentFaction == faction_units.First().Key));
}
}