/**
* chooseBoonTarget.
*
* @param list a {@link forge.CardList} object.
* @param type a {@link java.lang.String} object.
* @return a {@link forge.game.card.Card} object.
*/
public static Card chooseBoonTarget(final CardCollectionView list, final String type) {
Card choice = null;
if (type.equals("P1P1")) {
choice = ComputerUtilCard.getBestCreatureAI(list);
if (choice == null) {
// We'd only get here if list isn't empty, maybe we're trying to animate a land?
choice = ComputerUtilCard.getBestLandToAnimate(list);
}
} else if (type.equals("DIVINITY")) {
final CardCollection boon =
CardLists.filter(
list,
new Predicate<Card>() {
@Override
public boolean apply(final Card c) {
return c.getCounters(CounterType.DIVINITY) == 0;
}
});
choice = ComputerUtilCard.getMostExpensivePermanentAI(boon, null, false);
} else {
// The AI really should put counters on cards that can use it.
// Charge counters on things with Charge abilities, etc. Expand
// these above
choice = Aggregates.random(list);
}
return choice;
}
/*
* (non-Javadoc)
*
* @see
* forge.card.cost.CostPart#canPay(forge.card.spellability.SpellAbility,
* forge.Card, forge.Player, forge.card.cost.Cost)
*/
@Override
public final boolean canPay(final SpellAbility ability) {
final Player activator = ability.getActivatingPlayer();
final Card source = ability.getHostCard();
CardCollectionView validCards = activator.getCardsIn(ZoneType.Battlefield);
validCards = CardLists.getValidCards(validCards, this.getType().split(";"), activator, source);
validCards =
CardLists.filter(
validCards,
new Predicate<Card>() {
@Override
public boolean apply(final Card c) {
return c.hasCounters();
}
});
if (validCards.isEmpty()) {
return false;
}
Integer i = this.convertAmount();
if (i == null) {
i = AbilityUtils.calculateAmount(source, this.getAmount(), ability);
}
int allCounters = 0;
for (Card c : validCards) {
final Map<CounterType, Integer> tgtCounters = c.getCounters();
for (Integer value : tgtCounters.values()) {
allCounters += value;
}
}
return i <= allCounters;
}
/**
* chooseCursedTarget.
*
* @param list a {@link forge.CardList} object.
* @param type a {@link java.lang.String} object.
* @param amount a int.
* @return a {@link forge.game.card.Card} object.
*/
public static Card chooseCursedTarget(
final CardCollectionView list, final String type, final int amount) {
Card choice;
if (type.equals("M1M1")) {
// try to kill the best killable creature, or reduce the best one
final List<Card> killable =
CardLists.filter(
list,
new Predicate<Card>() {
@Override
public boolean apply(final Card c) {
return c.getNetToughness() <= amount;
}
});
if (killable.size() > 0) {
choice = ComputerUtilCard.getBestCreatureAI(killable);
} else {
choice = ComputerUtilCard.getBestCreatureAI(list);
}
} else {
// improve random choice here
choice = Aggregates.random(list);
}
return choice;
}
@Override
public PaymentDecision visit(CostUntapType cost) {
final String amount = cost.getAmount();
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(amount);
if (sVar.equals("XChoice")) {
List<Card> typeList = player.getGame().getCardsIn(ZoneType.Battlefield);
typeList =
CardLists.getValidCards(
typeList, cost.getType().split(";"), player, ability.getHostCard());
if (!cost.canUntapSource) {
typeList.remove(source);
}
typeList = CardLists.filter(typeList, Presets.TAPPED);
c = typeList.size();
source.setSVar("ChosenX", "Number$" + Integer.toString(c));
} else {
c = AbilityUtils.calculateAmount(source, amount, ability);
}
}
List<Card> list =
ComputerUtil.chooseUntapType(player, cost.getType(), source, cost.canUntapSource, c);
if (list == null) {
System.out.println("Couldn't find a valid card to untap for: " + source.getName());
return null;
}
return PaymentDecision.card(list);
}
@Override
public PaymentDecision visit(CostTapType cost) {
final String amount = cost.getAmount();
Integer c = cost.convertAmount();
if (c == null) {
final String sVar = ability.getSVar(amount);
if (sVar.equals("XChoice")) {
List<Card> typeList =
CardLists.getValidCards(
player.getCardsIn(ZoneType.Battlefield),
cost.getType().split(";"),
ability.getActivatingPlayer(),
ability.getHostCard());
typeList = CardLists.filter(typeList, Presets.UNTAPPED);
c = typeList.size();
source.setSVar("ChosenX", "Number$" + Integer.toString(c));
} else {
c = AbilityUtils.calculateAmount(source, amount, ability);
}
}
if (cost.getType().contains("sharesCreatureTypeWith")
|| cost.getType().contains("withTotalPowerGE")) {
return null;
}
List<Card> totap =
ComputerUtil.chooseTapType(player, cost.getType(), source, !cost.canTapSource, c);
if (totap == null) {
System.out.println("Couldn't find a valid card to tap for: " + source.getName());
return null;
}
return PaymentDecision.card(totap);
}
@Override
public PaymentDecision visit(CostPutCardToLib cost) {
Integer c = cost.convertAmount();
final Game game = player.getGame();
List<Card> chosen = new ArrayList<Card>();
List<Card> list;
if (cost.isSameZone()) {
list = new ArrayList<Card>(game.getCardsIn(cost.getFrom()));
} else {
list = new ArrayList<Card>(player.getCardsIn(cost.getFrom()));
}
if (c == null) {
final String sVar = ability.getSVar(cost.getAmount());
// Generalize cost
if (sVar.equals("XChoice")) {
return null;
}
c = AbilityUtils.calculateAmount(source, cost.getAmount(), ability);
}
list = CardLists.getValidCards(list, cost.getType().split(";"), player, source);
if (cost.isSameZone()) {
// Jotun Grunt
// TODO: improve AI
final List<Player> players = game.getPlayers();
for (Player p : players) {
List<Card> enoughType = CardLists.filter(list, CardPredicates.isOwner(p));
if (enoughType.size() >= c) {
chosen.addAll(enoughType);
break;
}
}
chosen = chosen.subList(0, c);
} else {
chosen =
ComputerUtil.choosePutToLibraryFrom(
player, cost.getFrom(), cost.getType(), source, ability.getTargetCard(), c);
}
return chosen.isEmpty() ? null : PaymentDecision.card(chosen);
}
@Override
public Card chooseSingleCard(
final Player aiChoser,
SpellAbility sa,
Iterable<Card> options,
boolean isOptional,
Player targetedPlayer) {
if ("NeedsPrevention".equals(sa.getParam("AILogic"))) {
final Player ai = sa.getActivatingPlayer();
final Game game = ai.getGame();
if (!game.getStack().isEmpty()) {
Card choseCard = chooseCardOnStack(sa, ai, game);
if (choseCard != null) {
return choseCard;
}
}
final Combat combat = game.getCombat();
List<Card> permanentSources =
CardLists.filter(
options,
new Predicate<Card>() {
@Override
public boolean apply(final Card c) {
if (c == null
|| c.getZone() == null
|| c.getZone().getZoneType() != ZoneType.Battlefield
|| combat == null
|| !combat.isAttacking(c, ai)
|| !combat.isUnblocked(c)) {
return false;
}
return ComputerUtilCombat.damageIfUnblocked(c, ai, combat, true) > 0;
}
});
return ComputerUtilCard.getBestCreatureAI(permanentSources);
} else {
return ComputerUtilCard.getBestAI(options);
}
}
@Override
public PaymentDecision visit(CostRemoveAnyCounter cost) {
final String amount = cost.getAmount();
final int c = AbilityUtils.calculateAmount(source, amount, ability);
final String type = cost.getType();
List<Card> typeList =
CardLists.getValidCards(
player.getCardsIn(ZoneType.Battlefield), type.split(";"), player, source);
List<Card> hperms =
CardLists.filter(
typeList,
new Predicate<Card>() {
@Override
public boolean apply(final Card crd) {
for (final CounterType c1 : CounterType.values()) {
if (crd.getCounters(c1) >= c && ComputerUtil.isNegativeCounter(c1, crd)) {
return true;
}
}
return false;
}
});
if (hperms.isEmpty()) return null;
PaymentDecision result = PaymentDecision.card(hperms);
Card valid = hperms.get(0);
for (CounterType c1 : valid.getCounters().keySet()) {
if (valid.getCounters(c1) >= c && ComputerUtil.isNegativeCounter(c1, valid)) {
result.ct = c1;
break;
}
}
// Only find cards with enough negative counters
// TODO: add ai for Chisei, Heart of Oceans
return result;
}
private boolean pumpTgtAI(
final Player ai,
final SpellAbility sa,
final int defense,
final int attack,
final boolean mandatory) {
final List<String> keywords =
sa.hasParam("KW") ? Arrays.asList(sa.getParam("KW").split(" & ")) : new ArrayList<String>();
final Game game = ai.getGame();
final Card source = sa.getHostCard();
if (!mandatory
&& !sa.isTrigger()
&& game.getPhaseHandler().getPhase().isAfter(PhaseType.COMBAT_DECLARE_BLOCKERS)
&& !(sa.isCurse() && defense < 0)
&& !this.containsNonCombatKeyword(keywords)
&& !sa.hasParam("UntilYourNextTurn")) {
return false;
}
final Player opp = ai.getOpponent();
final TargetRestrictions tgt = sa.getTargetRestrictions();
sa.resetTargets();
if (sa.hasParam("TargetingPlayer") && sa.getActivatingPlayer().equals(ai) && !sa.isTrigger()) {
Player targetingPlayer =
AbilityUtils.getDefinedPlayers(source, sa.getParam("TargetingPlayer"), sa).get(0);
sa.setTargetingPlayer(targetingPlayer);
return targetingPlayer.getController().chooseTargetsFor(sa);
}
List<Card> list = new ArrayList<Card>();
if (sa.hasParam("AILogic")) {
if (sa.getParam("AILogic").equals("HighestPower")) {
list =
CardLists.getValidCards(
CardLists.filter(game.getCardsIn(ZoneType.Battlefield), Presets.CREATURES),
tgt.getValidTgts(),
ai,
source);
list = CardLists.getTargetableCards(list, sa);
CardLists.sortByPowerDesc(list);
if (!list.isEmpty()) {
sa.getTargets().add(list.get(0));
return true;
} else {
return false;
}
}
if (sa.getParam("AILogic").equals("Fight") || sa.getParam("AILogic").equals("PowerDmg")) {
final AbilitySub tgtFight = sa.getSubAbility();
List<Card> aiCreatures = ai.getCreaturesInPlay();
aiCreatures = CardLists.getTargetableCards(aiCreatures, sa);
aiCreatures = ComputerUtil.getSafeTargets(ai, sa, aiCreatures);
ComputerUtilCard.sortByEvaluateCreature(aiCreatures);
// sort is suboptimal due to conflicting needs depending on game state:
// -deathtouch for deal damage
// -max power for damage to player
// -survivability for generic "fight"
// -no support for "heroic"
List<Card> humCreatures = ai.getOpponent().getCreaturesInPlay();
humCreatures = CardLists.getTargetableCards(humCreatures, tgtFight);
ComputerUtilCard.sortByEvaluateCreature(humCreatures);
if (humCreatures.isEmpty() || aiCreatures.isEmpty()) {
return false;
}
int buffedAtk = attack, buffedDef = defense;
for (Card humanCreature : humCreatures) {
for (Card aiCreature : aiCreatures) {
if (sa.isSpell()) { // heroic triggers adding counters
for (Trigger t : aiCreature.getTriggers()) {
if (t.getMode() == TriggerType.SpellCast) {
final Map<String, String> params = t.getMapParams();
if ("Card.Self".equals(params.get("TargetsValid"))
&& "You".equals(params.get("ValidActivatingPlayer"))
&& params.containsKey("Execute")) {
SpellAbility heroic =
AbilityFactory.getAbility(
aiCreature.getSVar(params.get("Execute")), aiCreature);
if ("Self".equals(heroic.getParam("Defined"))
&& "P1P1".equals(heroic.getParam("CounterType"))) {
int amount =
AbilityUtils.calculateAmount(
aiCreature, heroic.getParam("CounterNum"), heroic);
buffedAtk += amount;
buffedDef += amount;
}
break;
}
}
}
}
if (sa.getParam("AILogic").equals("PowerDmg")) {
if (FightAi.canKill(aiCreature, humanCreature, buffedAtk)) {
sa.getTargets().add(aiCreature);
tgtFight.getTargets().add(humanCreature);
return true;
}
} else {
if (FightAi.shouldFight(aiCreature, humanCreature, buffedAtk, buffedDef)) {
sa.getTargets().add(aiCreature);
tgtFight.getTargets().add(humanCreature);
return true;
}
}
}
}
}
return false;
} else if (sa.isCurse()) {
if (sa.canTarget(opp)) {
sa.getTargets().add(opp);
return true;
}
list = this.getCurseCreatures(ai, sa, defense, attack, keywords);
} else {
if (!tgt.canTgtCreature()) {
ZoneType zone = tgt.getZone().get(0);
list = game.getCardsIn(zone);
} else {
list = this.getPumpCreatures(ai, sa, defense, attack, keywords);
}
if (sa.canTarget(ai)) {
sa.getTargets().add(ai);
return true;
}
}
list = CardLists.getValidCards(list, tgt.getValidTgts(), ai, source);
if (game.getStack().isEmpty()) {
// If the cost is tapping, don't activate before declare
// attack/block
if (sa.getPayCosts() != null && sa.getPayCosts().hasTapCost()) {
if (game.getPhaseHandler().getPhase().isBefore(PhaseType.COMBAT_DECLARE_ATTACKERS)
&& game.getPhaseHandler().isPlayerTurn(ai)) {
list.remove(sa.getHostCard());
}
if (game.getPhaseHandler().getPhase().isBefore(PhaseType.COMBAT_DECLARE_BLOCKERS)
&& game.getPhaseHandler().isPlayerTurn(opp)) {
list.remove(sa.getHostCard());
}
}
}
if (list.isEmpty()) {
return mandatory && this.pumpMandatoryTarget(ai, sa, mandatory);
}
if (!sa.isCurse()) {
// Don't target cards that will die.
list = ComputerUtil.getSafeTargets(ai, sa, list);
}
while (sa.getTargets().getNumTargeted() < tgt.getMaxTargets(source, sa)) {
Card t = null;
// boolean goodt = false;
if (list.isEmpty()) {
if ((sa.getTargets().getNumTargeted() < tgt.getMinTargets(source, sa))
|| (sa.getTargets().getNumTargeted() == 0)) {
if (mandatory) {
return this.pumpMandatoryTarget(ai, sa, mandatory);
}
sa.resetTargets();
return false;
} else {
// TODO is this good enough? for up to amounts?
break;
}
}
t = ComputerUtilCard.getBestAI(list);
// option to hold removal instead only applies for single targeted removal
if (!sa.isTrigger() && tgt.getMaxTargets(source, sa) == 1 && sa.isCurse()) {
if (!ComputerUtilCard.useRemovalNow(sa, t, -defense, ZoneType.Graveyard)) {
return false;
}
}
sa.getTargets().add(t);
list.remove(t);
}
return true;
} // pumpTgtAI()
private boolean sacrificeTgtAI(final Player ai, final SpellAbility sa) {
final Card source = sa.getHostCard();
final TargetRestrictions tgt = sa.getTargetRestrictions();
final boolean destroy = sa.hasParam("Destroy");
Player opp = ai.getOpponent();
if (tgt != null) {
sa.resetTargets();
if (!opp.canBeTargetedBy(sa)) {
return false;
}
sa.getTargets().add(opp);
final String valid = sa.getParam("SacValid");
String num = sa.getParam("Amount");
num = (num == null) ? "1" : num;
final int amount = AbilityUtils.calculateAmount(sa.getHostCard(), num, sa);
List<Card> list =
CardLists.getValidCards(
ai.getOpponent().getCardsIn(ZoneType.Battlefield),
valid.split(","),
sa.getActivatingPlayer(),
sa.getHostCard());
for (Card c : list) {
if (c.hasSVar("SacMe") && Integer.parseInt(c.getSVar("SacMe")) > 3) {
return false;
}
}
if (!destroy) {
list = CardLists.filter(list, CardPredicates.canBeSacrificedBy(sa));
} else {
if (!CardLists.getKeyword(list, "Indestructible").isEmpty()) {
// human can choose to destroy indestructibles
return false;
}
}
if (list.isEmpty()) {
return false;
}
if (num.equals("X") && source.getSVar(num).equals("Count$xPaid")) {
// Set PayX here to maximum value.
final int xPay = Math.min(ComputerUtilMana.determineLeftoverMana(sa, ai), amount);
source.setSVar("PayX", Integer.toString(xPay));
}
final int half = (amount / 2) + (amount % 2); // Half of amount
// rounded up
// If the Human has at least half rounded up of the amount to be
// sacrificed, cast the spell
if (!sa.isTrigger() && list.size() < half) {
return false;
}
}
final String defined = sa.getParam("Defined");
final String valid = sa.getParam("SacValid");
if (defined == null) {
// Self Sacrifice.
} else if (defined.equals("Each") || (defined.equals("Opponent") && !sa.isTrigger())) {
// If Sacrifice hits both players:
// Only cast it if Human has the full amount of valid
// Only cast it if AI doesn't have the full amount of Valid
// TODO: Cast if the type is favorable: my "worst" valid is
// worse than his "worst" valid
final String num = sa.hasParam("Amount") ? sa.getParam("Amount") : "1";
int amount = AbilityUtils.calculateAmount(source, num, sa);
if (num.equals("X") && source.getSVar(num).equals("Count$xPaid")) {
// Set PayX here to maximum value.
amount = Math.min(ComputerUtilMana.determineLeftoverMana(sa, ai), amount);
}
List<Card> humanList =
CardLists.getValidCards(
opp.getCardsIn(ZoneType.Battlefield),
valid.split(","),
sa.getActivatingPlayer(),
sa.getHostCard());
// Since all of the cards have remAIDeck:True, I enabled 1 for 1
// (or X for X) trades for special decks
if (humanList.size() < amount) {
return false;
}
} else if (defined.equals("You")) {
List<Card> computerList =
CardLists.getValidCards(
ai.getCardsIn(ZoneType.Battlefield),
valid.split(","),
sa.getActivatingPlayer(),
sa.getHostCard());
for (Card c : computerList) {
if (c.hasSVar("SacMe") || ComputerUtilCard.evaluateCreature(c) <= 135) {
return true;
}
}
return false;
}
return true;
}
/* (non-Javadoc)
* @see forge.card.abilityfactory.SpellAiLogic#canPlayAI(forge.game.player.Player, java.util.Map, forge.card.spellability.SpellAbility)
*/
@Override
protected boolean canPlayAI(final Player ai, SpellAbility sa) {
// TODO: AI Support! Currently this is copied from AF ChooseCard.
// When implementing AI, I believe AI also needs to be made aware of the damage sources
// chosen
// to be prevented (e.g. so the AI doesn't attack with a creature that will not deal any
// damage
// to the player because a CoP was pre-activated on it - unless, of course, there's
// another
// possible reason to attack with that creature).
final Card host = sa.getHostCard();
final Cost abCost = sa.getPayCosts();
final Card source = sa.getHostCard();
if (abCost != null) {
// AI currently disabled for these costs
if (!ComputerUtilCost.checkLifeCost(ai, abCost, source, 4, null)) {
return false;
}
if (!ComputerUtilCost.checkDiscardCost(ai, abCost, source)) {
return false;
}
if (!ComputerUtilCost.checkSacrificeCost(ai, abCost, source)) {
return false;
}
if (!ComputerUtilCost.checkRemoveCounterCost(abCost, source)) {
return false;
}
}
final TargetRestrictions tgt = sa.getTargetRestrictions();
if (tgt != null) {
sa.resetTargets();
if (sa.canTarget(ai.getOpponent())) {
sa.getTargets().add(ai.getOpponent());
} else {
return false;
}
}
if (sa.hasParam("AILogic")) {
final Game game = ai.getGame();
if (sa.getParam("AILogic").equals("NeedsPrevention")) {
if (!game.getStack().isEmpty()) {
final SpellAbility topStack = game.getStack().peekAbility();
if (sa.hasParam("Choices")
&& !topStack.getHostCard().isValid(sa.getParam("Choices"), ai, source)) {
return false;
}
final ApiType threatApi = topStack.getApi();
if (threatApi != ApiType.DealDamage && threatApi != ApiType.DamageAll) {
return false;
}
final Card threatSource = topStack.getHostCard();
List<? extends GameObject> objects = getTargets(topStack);
if (!topStack.usesTargeting()
&& topStack.hasParam("ValidPlayers")
&& !topStack.hasParam("Defined")) {
objects =
AbilityUtils.getDefinedPlayers(
threatSource, topStack.getParam("ValidPlayers"), topStack);
}
if (!objects.contains(ai) || topStack.hasParam("NoPrevention")) {
return false;
}
int dmg =
AbilityUtils.calculateAmount(threatSource, topStack.getParam("NumDmg"), topStack);
if (ComputerUtilCombat.predictDamageTo(ai, dmg, threatSource, false) <= 0) {
return false;
}
return true;
}
if (game.getPhaseHandler().getPhase() != PhaseType.COMBAT_DECLARE_BLOCKERS) {
return false;
}
CardCollectionView choices = game.getCardsIn(ZoneType.Battlefield);
if (sa.hasParam("Choices")) {
choices =
CardLists.getValidCards(choices, sa.getParam("Choices"), host.getController(), host);
}
final Combat combat = game.getCombat();
choices =
CardLists.filter(
choices,
new Predicate<Card>() {
@Override
public boolean apply(final Card c) {
if (combat == null || !combat.isAttacking(c, ai) || !combat.isUnblocked(c)) {
return false;
}
return ComputerUtilCombat.damageIfUnblocked(c, ai, combat, true) > 0;
}
});
if (choices.isEmpty()) {
return false;
}
}
}
return true;
}