public IEnumerable <StatBuilderResult> Build(BuildParameters parameters)
{
var restrictions = _restrictionsBuilder.Build(parameters);
var selectedBuffs = _buffs.Where(restrictions.AllowsBuff).ToList();
if (selectedBuffs.IsEmpty())
{
return(Enumerable.Empty <StatBuilderResult>());
}
return(selectedBuffs
.Select(b => _statFactory(b.Buff))
.Aggregate((l, r) => l.Concat(r))
.Build(parameters));
}
private IEnumerable <IValue> CreateValues(BuildParameters parameters)
{
var restrictions = _restrictionsBuilder.Build(parameters);
var sourceEntities = _source.Build(parameters.ModifierSourceEntity);
var targetEntities = _target.Build(parameters.ModifierSourceEntity);
return(from b in _buffs
where restrictions.AllowsBuff(b)
let buffIdentity = b.Buff.Build(parameters)
from t in targetEntities
let activeStat = _statFactory.BuffIsActive(t, buffIdentity)
let activeCondition = new StatValue(activeStat)
let buffSourceCondition = BuffSourceIsAny(t, buffIdentity, sourceEntities)
select new ConditionalValue(
c => activeCondition.Calculate(c).IsTrue() && buffSourceCondition.Calculate(c).IsTrue(),
$"{activeCondition} && {buffSourceCondition}"));
}