protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>(ControlledBy.Opponent)
.OrderByDescending(x => x.Score);
return Group(candidates, p.MinTargetCount(), p.MaxTargetCount());
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var sourceTargetCandidates = GetDamageSourceAndDamageTargetCandidates(p);
if (sourceTargetCandidates.DamageSource.Count == 0 ||
sourceTargetCandidates.DamageTarget.Count == 0)
{
return None<Targets>();
}
// for simplicity we consider only 'best' 1 legal assignment
var damageSource = sourceTargetCandidates.DamageSource[0];
var damageTarget = sourceTargetCandidates.DamageTarget[0];
// cost should not be paid with damage target
var cost = p.Candidates<Card>(selector: trgs => trgs.Cost)
.OrderBy(x => x.Score)
.Where(x => x != damageTarget)
.FirstOrDefault();
if (cost == null)
{
return None<Targets>();
}
var targets = new Targets();
targets.AddCost(cost);
targets.AddEffect(damageSource);
targets.AddEffect(damageTarget);
return new[] {targets};
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var costCandidates = p
.Candidates<Card>(selector: c => c.Cost)
.OrderBy(x => x.Score)
.Take(1);
var effectCandidates =
p.Candidates<Card>(ControlledBy.Opponent, selector: c => c.Effect)
.Where(x => !x.IsTapped)
.OrderBy(x =>
{
if (x.Is().Creature)
return 1;
if (x.Is().Land)
return 2;
return 3;
})
.Take(1);
return Group(costCandidates, effectCandidates,
add1: (t, trgs) => trgs.AddCost(t),
add2: (t, trgs) => trgs.AddEffect(t));
}
protected override IEnumerable<Targets> ForceSelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>(ControlledBy.SpellOwner)
.OrderBy(x => x.Score);
return Group(candidates, p.MinTargetCount(), p.MaxTargetCount());
}
protected override IEnumerable<Targets> ForceSelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>()
.OrderBy(c => c.Score);
return Group(candidates, p.MinTargetCount());
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>(ControlledBy.Opponent)
.Where(c => c.IsAttacker || c.CanBlock())
.Select(c =>
{
for (var i = 0; i < _abilities.Count; i++)
{
var ability = _abilities[i];
if (c.Has().Has(ability))
return new
{
Card = c,
Rank = i
};
}
return new
{
Card = c,
Rank = -1
};
})
.Where(x => x.Rank != -1)
.OrderBy(x => x.Rank)
.ThenByDescending(x => x.Card.Power*2 + x.Card.Toughness)
.Select(x => x.Card);
return Group(candidates, p.MinTargetCount());
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = GetCandidatesForProtectionFromTopSpell(p)
.OrderByDescending(x => x.Score);
return Group(candidates, p.MinTargetCount());
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var targetPicks = new List<ITarget>();
if (!Stack.IsEmpty && p.Candidates<ITarget>().Contains(Stack.TopSpell))
{
var damageToPlayer = Stack.GetDamageTopSpellWillDealToPlayer(p.Controller);
if (damageToPlayer > 0)
{
targetPicks.Add(Stack.TopSpell);
}
}
if (Turn.Step == Step.DeclareBlockers && Stack.IsEmpty)
{
if (!p.Controller.IsActive)
{
var attacker = Combat.FindAttackerWhichWillDealGreatestDamageToDefender(
card => p.Candidates<ITarget>().Contains(card));
if (attacker != null)
{
targetPicks.Add(attacker);
}
}
}
return Group(targetPicks, 1);
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Player>()
.Where(x => x == p.Controller.Opponent);
return Group(candidates, 1);
}
private void PreventDamageAttackerWillDealToBlocker(TargetingRuleParameters p,
DamageSourceAndDamageTargetCandidates selectedCandidates)
{
var blockerAttackerPair = p.Candidates<Card>(selectorIndex: 1, selector: trgs => trgs.Effect)
.Where(card => card.IsBlocker)
.Select(blocker =>
{
var attacker = Combat.GetAttacker(blocker);
return new
{
Target = blocker,
Source = QuickCombat.CanBlockerBeDealtLeathalCombatDamage(attacker, blocker)
? attacker : null
};
})
.Where(x => x.Source != null)
.OrderByDescending(x => x.Target.Score)
.FirstOrDefault();
if (blockerAttackerPair != null)
{
selectedCandidates.DamageTarget.Add(blockerAttackerPair.Target);
selectedCandidates.DamageSource.Add(blockerAttackerPair.Source);
}
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
if (Stack.CanTopSpellReducePlayersLifeToZero(p.Controller))
{
var candidates1 = p.Candidates<Card>()
.OrderBy(x => x.Score);
return Group(candidates1, p.MinTargetCount(), add: (target, targets) => targets.Cost.Add(target));
}
var candidates = new List<Card>();
if (Turn.Step == Step.DeclareBlockers && Stack.IsEmpty)
{
candidates.AddRange(
p.Candidates<Card>()
.Where(x => Combat.CanBeDealtLeathalCombatDamage(x))
.Where(x => !Combat.CanKillAny(x)));
}
candidates.AddRange(
p.Candidates<Card>()
.Where(x => Stack.CanBeDestroyedByTopSpell(x)));
return Group(candidates, p.MinTargetCount(), add: (target, targets) => targets.Cost.Add(target));
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>(ControlledBy.Opponent)
.OrderByDescending(x => x.Toughness);
return Group(candidates, 1);
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
IEnumerable<Card> candidates;
if (Turn.Step == Step.FirstMain)
{
candidates = p.Candidates<Card>(ControlledBy.SpellOwner)
.Where(x => x.CanAttack)
.Select(x => new
{
Card = x.Card(),
Score = CalculateAttackerScoreForThisTurn(x)
})
.OrderByDescending(x => x.Score)
.Where(x => x.Score > 0)
.Select(x => x.Card);
}
else
{
candidates = p.Candidates<Card>(ControlledBy.SpellOwner)
.Where(x => x.CanBlock())
.Select(x => new
{
Card = x,
Score = CalculateBlockerScore(x)
})
.OrderByDescending(x => x.Score)
.Where(x => x.Score > 0)
.Select(x => x.Card);
}
return Group(candidates, 1);
}
protected DamageSourceAndDamageTargetCandidates GetDamageSourceAndDamageTargetCandidates(TargetingRuleParameters p)
{
var selectedCandidates = new DamageSourceAndDamageTargetCandidates();
if (Stack.IsEmpty == false)
{
PreventDamageTopSpellWillDealToPlayer(p, selectedCandidates);
PreventDamageTopSpellWillDealToCreature(p, selectedCandidates);
}
if (Turn.Step == Step.DeclareBlockers)
{
if (p.Controller.IsActive == false)
{
PreventDamageAttackerWillDealToPlayer(p, selectedCandidates);
PreventDamageAttackerWillDealToBlocker(p, selectedCandidates);
}
else
{
PreventDamageBlockerWillDealToAttacker(p, selectedCandidates);
}
}
return selectedCandidates;
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>(ControlledBy.Opponent)
.Where(x => (!_blockOnly && x.IsAbleToAttack) || (!_attackOnly && !x.Has().CannotBlock))
.OrderByDescending(x => 2*x.Power + x.Toughness);
return Group(candidates, p.MinTargetCount(), p.MaxTargetCount());
}
protected override IEnumerable<Targets> ForceSelectTargets(TargetingRuleParameters p)
{
// triggered abilities force you to choose a target even if its
// not favorable e.g Flaming Kavu
var candidates = p.Candidates<Card>().OrderByDescending(x => x.Toughness);
return Group(candidates, p.MinTargetCount());
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>(ControlledBy.SpellOwner)
.Where(attacker => _filter(attacker))
.OrderByDescending(CalculateScore);
return Group(candidates, p.MinTargetCount());
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>(ControlledBy.SpellOwner)
.Where(x => x.IsTapped && !x.Is().Land)
.OrderByDescending(x => x.Score);
return Group(candidates, p.MinTargetCount());
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>()
.OrderBy(x => ScoreCalculator.CalculateDiscardScore(x, Ai.IsSearchInProgress));
return Group(candidates, p.MaxTargetCount(),
add: (trg, trgs) => trgs.Cost.Add(trg));
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = GetCandidatesThatCanBeDestroyed(p)
.Where(x => !x.HasRegenerationShield)
.OrderByDescending(x => x.Card().Score);
return Group(candidates, p.MinTargetCount());
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>()
.OrderBy(x => x.Score);
return Group(candidates, p.MinTargetCount(),
add: (trg, trgs) => trgs.Cost.Add(trg));
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var costTargets = p.Candidates<Card>(selectorIndex: 0, selector: c => c.Cost)
.OrderBy(x => x.IsTapped ? 0 : 1)
.ThenBy(x => x.Score)
.Take(1);
return Group(costTargets, p.MinTargetCount(), add: (t, trgs) => trgs.AddCost(t));
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>(ControlledBy.SpellOwner)
.OrderByDescending(x => x.IsTapped ? 1 : 0)
.Select(x => x)
.ToList();
return Group(candidates, p.MinTargetCount());
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>(ControlledBy.SpellOwner)
.Where(c => c.CanBlock())
.Where(c => !c.Has().Flying && !c.Has().Reach)
.OrderByDescending(x => x.Power);
return Group(candidates, p.MinTargetCount());
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>()
.Where(x => x.IsGoodTarget(p.Card, p.Card.Controller))
.OrderByDescending(x => x.Score)
.ToList();
return Group(candidates, p.MinTargetCount(), p.MaxTargetCount());
}
private int CalculateOpponentCardRank(Card card, TargetingRuleParameters p)
{
if (card.Owner == p.Controller)
return -2;
if (card.HasAttachments)
return -1;
return 0;
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var battlefieldCandidates = p.Candidates<Card>(ControlledBy.SpellOwner)
.OrderBy(x => x.Score);
var graveyardCandidates = p.Candidates<Card>(ControlledBy.SpellOwner, selectorIndex: 1)
.OrderBy(x => -x.Score);
return Group(battlefieldCandidates, graveyardCandidates);
}
protected override IEnumerable<Targets> ForceSelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>()
.OrderBy(_forceRank);
if (p.HasEffectCandidates)
return Group(candidates, p.MinTargetCount());
return Group(candidates, p.MinTargetCount(), add: (trg, trgs) => trgs.AddCost(trg));
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Card>(_controlledBy)
.OrderBy(x => _rank(x));
if (p.HasEffectCandidates)
return Group(candidates, p.MinTargetCount(), p.MaxTargetCount());
return Group(candidates, p.MinTargetCount(), p.MaxTargetCount(), (trg, trgs) => trgs.AddCost(trg));
}
protected override IEnumerable<Targets> SelectTargets(TargetingRuleParameters p)
{
var candidates = p.Candidates<Effect>(ControlledBy.Opponent);
if (!candidates.Contains(Stack.TopSpell))
{
return None<Targets>();
}
return new[] {new Targets().AddEffect(Stack.TopSpell)};
}