foul-magics/Mage.Server.Plugins/Mage.Player.AI.MA/src/mage/player/ai/ComputerPlayer6.java

1103 lines
46 KiB
Java

package mage.player.ai;
import mage.MageObject;
import mage.abilities.Ability;
import mage.abilities.ActivatedAbility;
import mage.abilities.SpellAbility;
import mage.abilities.StaticAbility;
import mage.abilities.common.PassAbility;
import mage.abilities.effects.Effect;
import mage.abilities.effects.SearchEffect;
import mage.abilities.keyword.*;
import mage.cards.Card;
import mage.cards.Cards;
import mage.choices.Choice;
import mage.constants.AbilityType;
import mage.constants.Outcome;
import mage.constants.RangeOfInfluence;
import mage.game.Game;
import mage.game.combat.Combat;
import mage.game.events.GameEvent;
import mage.game.permanent.Permanent;
import mage.game.stack.StackAbility;
import mage.game.stack.StackObject;
import mage.player.ai.ma.optimizers.TreeOptimizer;
import mage.player.ai.ma.optimizers.impl.DiscardCardOptimizer;
import mage.player.ai.ma.optimizers.impl.EquipOptimizer;
import mage.player.ai.ma.optimizers.impl.LevelUpOptimizer;
import mage.player.ai.ma.optimizers.impl.OutcomeOptimizer;
import mage.player.ai.util.CombatInfo;
import mage.player.ai.util.CombatUtil;
import mage.players.Player;
import mage.target.Target;
import mage.target.TargetAmount;
import mage.target.TargetCard;
import mage.target.Targets;
import mage.util.RandomUtil;
import org.apache.log4j.Logger;
import java.io.File;
import java.util.*;
import java.util.concurrent.*;
import java.util.stream.Collectors;
import mage.counters.CounterType;
import mage.filter.StaticFilters;
/**
* @author nantuko
*/
public class ComputerPlayer6 extends ComputerPlayer /*implements Player*/ {
private static final Logger logger = Logger.getLogger(ComputerPlayer6.class);
private static final ExecutorService pool = Executors.newFixedThreadPool(1);
protected int maxDepth;
protected int maxNodes;
protected int maxThink;
protected LinkedList<Ability> actions = new LinkedList<>();
protected List<UUID> targets = new ArrayList<>();
protected List<String> choices = new ArrayList<>();
protected Combat combat;
protected int currentScore;
protected SimulationNode2 root;
List<Permanent> attackersList = new ArrayList<>();
List<Permanent> attackersToCheck = new ArrayList<>();
private static final boolean AI_SUGGEST_BY_FILE_ENABLE = true; // old method to instruct AI to play cards (use cheat commands instead now)
private static final String AI_SUGGEST_BY_FILE_SOURCE = "config/ai.please.cast.this.txt";
private final List<String> suggestedActions = new ArrayList<>();
protected Set<String> actionCache;
private static final List<TreeOptimizer> optimizers = new ArrayList<>();
protected int lastLoggedTurn = 0;
protected static final String BLANKS = "...............................................";
static {
optimizers.add(new LevelUpOptimizer());
optimizers.add(new EquipOptimizer());
optimizers.add(new DiscardCardOptimizer());
optimizers.add(new OutcomeOptimizer());
}
public ComputerPlayer6(String name, RangeOfInfluence range, int skill) {
super(name, range);
if (skill < 4) {
maxDepth = 4;
} else {
maxDepth = skill;
}
maxThink = skill * 3;
maxNodes = Config2.maxNodes;
getSuggestedActions();
this.actionCache = new HashSet<>();
}
public ComputerPlayer6(final ComputerPlayer6 player) {
super(player);
this.maxDepth = player.maxDepth;
this.currentScore = player.currentScore;
if (player.combat != null) {
this.combat = player.combat.copy();
}
this.actions.addAll(player.actions);
this.targets.addAll(player.targets);
this.choices.addAll(player.choices);
this.actionCache = player.actionCache;
}
@Override
public ComputerPlayer6 copy() {
return new ComputerPlayer6(this);
}
protected void printOutState(Game game) {
if (logger.isInfoEnabled()) {
printOutState(game, playerId);
for (UUID opponentId : game.getOpponents(playerId)) {
printOutState(game, opponentId);
}
}
}
protected void printOutState(Game game, UUID playerId) {
if (lastLoggedTurn != game.getTurnNum()) {
lastLoggedTurn = game.getTurnNum();
logger.info(new StringBuilder("------------------------ ").append("Turn: ").append(game.getTurnNum()).append("] --------------------------------------------------------------").toString());
}
Player player = game.getPlayer(playerId);
GameStateEvaluator2.PlayerEvaluateScore score = GameStateEvaluator2.evaluate(playerId, game);
logger.info(new StringBuilder("[").append(game.getPlayer(playerId).getName()).append("]")
.append(", life = ").append(player.getLife())
.append(", score = ").append(score.getTotalScore())
.append(" (").append(score.getPlayerInfoFull()).append(")")
.toString());
StringBuilder sb = new StringBuilder("-> Hand: [");
for (Card card : player.getHand().getCards(game)) {
sb.append(card.getName()).append(';');
}
logger.info(sb.append(']').toString());
sb.setLength(0);
sb.append("-> Permanents: [");
for (Permanent permanent : game.getBattlefield().getAllPermanents()) {
if (permanent.isOwnedBy(player.getId())) {
sb.append(permanent.getName());
if (permanent.isTapped()) {
sb.append("(tapped)");
}
if (permanent.isAttacking()) {
sb.append("(attacking)");
}
sb.append(':' + String.valueOf(GameStateEvaluator2.evaluatePermanent(permanent, game)));
sb.append(';');
}
}
logger.info(sb.append(']').toString());
}
protected void act(Game game) {
if (actions == null
|| actions.isEmpty()) {
pass(game);
} else {
boolean usedStack = false;
while (actions.peek() != null) {
Ability ability = actions.poll();
// log example: ===> Act [PlayerA] Action: Cast Blessings of Nature (target 1; target 2)
logger.info(new StringBuilder("===> Act [")
.append(game.getPlayer(playerId).getName())
.append("] Action: ")
.append(ability.toString())
.append(listTargets(game, ability.getTargets(), " (targeting %s)", ""))
.toString());
if (!ability.getTargets().isEmpty()) {
for (Target target : ability.getTargets()) {
for (UUID id : target.getTargets()) {
target.updateTarget(id, game);
if (!target.isNotTarget()) {
game.addSimultaneousEvent(GameEvent.getEvent(GameEvent.EventType.TARGETED, id, ability, ability.getControllerId()));
}
}
}
Player player = game.getPlayer(ability.getFirstTarget());
if (player != null) {
logger.info("targets = " + player.getName());
}
}
this.activateAbility((ActivatedAbility) ability, game);
if (ability.isUsesStack()) {
usedStack = true;
}
if (!suggestedActions.isEmpty() && !(ability instanceof PassAbility)) {
Iterator<String> it = suggestedActions.iterator();
while (it.hasNext()) {
String action = it.next();
Card card = game.getCard(ability.getSourceId());
if (card != null && action.equals(card.getName())) {
logger.info("-> removed from suggested=" + action);
it.remove();
}
}
}
}
if (usedStack) {
pass(game);
}
}
}
protected int addActions(SimulationNode2 node, int depth, int alpha, int beta) {
boolean stepFinished = false;
int val;
if (logger.isTraceEnabled()
&& node != null
&& node.getAbilities() != null
&& !node.getAbilities().toString().equals("[Pass]")) {
logger.trace("Add Action [" + depth + "] " + node.getAbilities().toString() + " a: " + alpha + " b: " + beta);
}
Game game = node.getGame();
if (ALLOW_INTERRUPT
&& Thread.interrupted()) {
Thread.currentThread().interrupt();
logger.debug("interrupted");
return GameStateEvaluator2.evaluate(playerId, game).getTotalScore();
}
// Condition to stop deeper simulation
if (depth <= 0
|| SimulationNode2.nodeCount > maxNodes
|| game.checkIfGameIsOver()) {
val = GameStateEvaluator2.evaluate(playerId, game).getTotalScore();
if (logger.isTraceEnabled()) {
StringBuilder sb = new StringBuilder("Add Actions -- reached end state <").append(val).append('>');
SimulationNode2 logNode = node;
do {
sb.append(new StringBuilder(" <- [" + logNode.getDepth() + ']' + (logNode.getAbilities() != null ? logNode.getAbilities().toString() : "[empty]")));
logNode = logNode.getParent();
} while ((logNode.getParent() != null));
logger.trace(sb);
}
} else if (!node.getChildren().isEmpty()) {
if (logger.isDebugEnabled()) {
StringBuilder sb = new StringBuilder("Add Action [").append(depth)
.append("] -- something added children ")
.append(node.getAbilities() != null ? node.getAbilities().toString() : "null")
.append(" added children: ").append(node.getChildren().size()).append(" (");
for (SimulationNode2 logNode : node.getChildren()) {
sb.append(logNode.getAbilities() != null ? logNode.getAbilities().toString() : "null").append(", ");
}
sb.append(')');
logger.debug(sb);
}
val = minimaxAB(node, depth - 1, alpha, beta);
} else {
logger.trace("Add Action -- alpha: " + alpha + " beta: " + beta + " depth:" + depth + " step:" + game.getTurn().getStepType() + " for player:" + game.getPlayer(game.getActivePlayerId()).getName());
if (allPassed(game)) {
if (!game.getStack().isEmpty()) {
resolve(node, depth, game);
} else {
stepFinished = true;
}
}
if (game.checkIfGameIsOver()) {
val = GameStateEvaluator2.evaluate(playerId, game).getTotalScore();
} else if (stepFinished) {
logger.debug("Step finished");
int testScore = GameStateEvaluator2.evaluate(playerId, game).getTotalScore();
if (game.isActivePlayer(playerId)) {
if (testScore < currentScore) {
// if score at end of step is worse than original score don't check further
//logger.debug("Add Action -- abandoning check, no immediate benefit");
val = testScore;
} else {
val = GameStateEvaluator2.evaluate(playerId, game).getTotalScore();
}
} else {
val = GameStateEvaluator2.evaluate(playerId, game).getTotalScore();
}
} else if (!node.getChildren().isEmpty()) {
if (logger.isDebugEnabled()) {
StringBuilder sb = new StringBuilder("Add Action [").append(depth)
.append("] -- trigger ")
.append(node.getAbilities() != null ? node.getAbilities().toString() : "null")
.append(" added children: ").append(node.getChildren().size()).append(" (");
for (SimulationNode2 logNode : node.getChildren()) {
sb.append(logNode.getAbilities() != null ? logNode.getAbilities().toString() : "null").append(", ");
}
sb.append(')');
logger.debug(sb);
}
val = minimaxAB(node, depth - 1, alpha, beta);
} else {
val = simulatePriority(node, game, depth, alpha, beta);
}
}
node.setScore(val);
logger.trace("returning -- score: " + val + " depth:" + depth + " step:" + game.getTurn().getStepType() + " for player:" + game.getPlayer(node.getPlayerId()).getName());
return val;
}
protected boolean getNextAction(Game game) {
if (root != null
&& !root.children.isEmpty()) {
SimulationNode2 test = root;
root = root.children.get(0);
while (!root.children.isEmpty()
&& !root.playerId.equals(playerId)) {
test = root;
root = root.children.get(0);
}
logger.trace("Sim getNextAction -- game value:" + game.getState().getValue(true) + " test value:" + test.gameValue);
if (!suggestedActions.isEmpty()) {
return false;
}
if (root.playerId.equals(playerId)
&& root.abilities != null
&& game.getState().getValue(true).hashCode() == test.gameValue) {
logger.info("simulating -- continuing previous action chain");
actions = new LinkedList<>(root.abilities);
combat = root.combat;
return true;
} else {
return false;
}
}
return false;
}
protected int minimaxAB(SimulationNode2 node, int depth, int alpha, int beta) {
logger.trace("Sim minimaxAB [" + depth + "] -- a: " + alpha + " b: " + beta + " <" + (node != null ? node.getScore() : "null") + '>');
UUID currentPlayerId = node.getGame().getPlayerList().get();
SimulationNode2 bestChild = null;
for (SimulationNode2 child : node.getChildren()) {
Combat _combat = child.getCombat();
if (alpha >= beta) {
break;
}
if (SimulationNode2.nodeCount > maxNodes) {
break;
}
int val = addActions(child, depth - 1, alpha, beta);
if (!currentPlayerId.equals(playerId)) {
if (val < beta) {
beta = val;
bestChild = child;
if (node.getCombat() == null) {
node.setCombat(_combat);
bestChild.setCombat(_combat);
}
}
// no need to check other actions
if (val == GameStateEvaluator2.LOSE_GAME_SCORE) {
logger.debug("lose - break");
break;
}
} else {
if (val > alpha) {
alpha = val;
bestChild = child;
if (node.getCombat() == null) {
node.setCombat(_combat);
bestChild.setCombat(_combat);
}
}
// no need to check other actions
if (val == GameStateEvaluator2.WIN_GAME_SCORE) {
logger.debug("win - break");
break;
}
}
}
node.children.clear();
if (bestChild != null) {
node.children.add(bestChild);
}
if (!currentPlayerId.equals(playerId)) {
return beta;
} else {
return alpha;
}
}
protected SearchEffect getSearchEffect(StackAbility ability) {
for (Effect effect : ability.getEffects()) {
if (effect instanceof SearchEffect) {
return (SearchEffect) effect;
}
}
return null;
}
protected void resolve(SimulationNode2 node, int depth, Game game) {
StackObject stackObject = game.getStack().getFirst();
if (stackObject instanceof StackAbility) {
SearchEffect effect = getSearchEffect((StackAbility) stackObject);
if (effect != null
&& stackObject.getControllerId().equals(playerId)) {
Target target = effect.getTarget();
if (!target.doneChosing()) {
for (UUID targetId : target.possibleTargets(stackObject.getSourceId(), stackObject.getControllerId(), game)) {
Game sim = game.copy();
StackAbility newAbility = (StackAbility) stackObject.copy();
SearchEffect newEffect = getSearchEffect(newAbility);
newEffect.getTarget().addTarget(targetId, newAbility, sim);
sim.getStack().push(newAbility);
SimulationNode2 newNode = new SimulationNode2(node, sim, depth, stackObject.getControllerId());
node.children.add(newNode);
newNode.getTargets().add(targetId);
logger.trace("Sim search -- node#: " + SimulationNode2.getCount() + " for player: " + sim.getPlayer(stackObject.getControllerId()).getName());
}
return;
}
}
}
stackObject.resolve(game);
if (stackObject instanceof StackAbility) {
game.getStack().remove(stackObject, game);
}
game.applyEffects();
game.getPlayers().resetPassed();
game.getPlayerList().setCurrent(game.getActivePlayerId());
}
/**
* Base call for simulation of AI actions
*
* @return
*/
protected Integer addActionsTimed() {
FutureTask<Integer> task = new FutureTask<>(new Callable<Integer>() {
@Override
public Integer call() throws Exception {
return addActions(root, maxDepth, Integer.MIN_VALUE, Integer.MAX_VALUE);
}
});
pool.execute(task);
try {
int maxSeconds = maxThink;
if (!ALLOW_INTERRUPT) {
maxSeconds = 3600;
}
logger.debug("maxThink: " + maxSeconds + " seconds ");
if (task.get(maxSeconds, TimeUnit.SECONDS) != null) {
return task.get(maxSeconds, TimeUnit.SECONDS);
}
} catch (TimeoutException e) {
logger.info("simulating - timed out");
task.cancel(true);
} catch (ExecutionException e) {
e.printStackTrace();
task.cancel(true);
} catch (InterruptedException e) {
e.printStackTrace();
task.cancel(true);
} catch (Exception e) {
e.printStackTrace();
task.cancel(true);
}
//TODO: timeout handling
return 0;
}
protected int simulatePriority(SimulationNode2 node, Game game, int depth, int alpha, int beta) {
if (ALLOW_INTERRUPT
&& Thread.interrupted()) {
Thread.currentThread().interrupt();
logger.info("interrupted");
return GameStateEvaluator2.evaluate(playerId, game).getTotalScore();
}
node.setGameValue(game.getState().getValue(true).hashCode());
SimulatedPlayer2 currentPlayer = (SimulatedPlayer2) game.getPlayer(game.getPlayerList().get());
SimulationNode2 bestNode = null;
List<Ability> allActions = currentPlayer.simulatePriority(game);
optimize(game, allActions);
if (logger.isInfoEnabled()
&& !allActions.isEmpty()
&& depth == maxDepth) {
logger.info("ADDED ACTIONS (" + allActions.size() + ") " + ' ' + allActions);
}
int counter = 0;
int bestValSubNodes = Integer.MIN_VALUE;
for (Ability action : allActions) {
counter++;
if (ALLOW_INTERRUPT
&& Thread.interrupted()) {
Thread.currentThread().interrupt();
logger.info("Sim Prio [" + depth + "] -- interrupted");
break;
}
Game sim = game.copy();
sim.setSimulation(true);
if (!(action instanceof StaticAbility) //for MorphAbility, etc
&& sim.getPlayer(currentPlayer.getId()).activateAbility((ActivatedAbility) action.copy(), sim)) {
sim.applyEffects();
if (checkForRepeatedAction(sim, node, action, currentPlayer.getId())) {
logger.debug("Sim Prio [" + depth + "] -- repeated action: " + action.toString());
continue;
}
if (!sim.checkIfGameIsOver()
&& (action.isUsesStack() || action instanceof PassAbility)) {
// only pass if the last action uses the stack
UUID nextPlayerId = sim.getPlayerList().get();
do {
sim.getPlayer(nextPlayerId).pass(game);
nextPlayerId = sim.getPlayerList().getNext();
} while (!Objects.equals(nextPlayerId, this.getId()));
}
SimulationNode2 newNode = new SimulationNode2(node, sim, action, depth, currentPlayer.getId());
sim.checkStateAndTriggered();
int val;
if (action instanceof PassAbility && sim.getStack().isEmpty()) {
// Stop to simulate deeper if PassAbility and stack is empty
val = GameStateEvaluator2.evaluate(this.getId(), sim).getTotalScore();
} else {
val = addActions(newNode, depth - 1, alpha, beta);
}
logger.debug("Sim Prio " + BLANKS.substring(0, 2 + (maxDepth - depth) * 3) + '[' + depth + "]#" + counter + " <" + val + "> - (" + action.toString() + ") ");
if (logger.isInfoEnabled()
&& depth >= maxDepth) {
StringBuilder sb = new StringBuilder("Sim Prio [").append(depth).append("] #").append(counter)
.append(" <").append(val).append("> (").append(action)
.append(action.isModal() ? " Mode = " + action.getModes().getMode().toString() : "")
.append(listTargets(game, action.getTargets(), " (targeting %s)", "")).append(')')
.append(logger.isTraceEnabled() ? " #" + newNode.hashCode() : "");
SimulationNode2 logNode = newNode;
while (logNode.getChildren() != null
&& !logNode.getChildren().isEmpty()) {
logNode = logNode.getChildren().get(0);
if (logNode.getAbilities() != null
&& !logNode.getAbilities().isEmpty()) {
sb.append(" -> [").append(logNode.getDepth()).append(']').append(logNode.getAbilities().toString()).append('<').append(logNode.getScore()).append('>');
}
}
logger.info(sb);
}
if (currentPlayer.getId().equals(playerId)) {
if (val > bestValSubNodes) {
bestValSubNodes = val;
}
if (depth == maxDepth
&& action instanceof PassAbility) {
val = val - PASSIVITY_PENALTY; // passivity penalty
}
if (val > alpha
|| (depth == maxDepth
&& val == alpha
&& RandomUtil.nextBoolean())) { // Adding random for equal value to get change sometimes
alpha = val;
bestNode = newNode;
bestNode.setScore(val);
if (!newNode.getChildren().isEmpty()) {
bestNode.setCombat(newNode.getChildren().get(0).getCombat());
}
if (depth == maxDepth) {
GameStateEvaluator2.PlayerEvaluateScore score = GameStateEvaluator2.evaluate(this.getId(), bestNode.game);
String scoreInfo = " [" + score.getPlayerInfoShort() + "-" + score.getOpponentInfoShort() + "]";
String abilitiesInfo = bestNode.getAbilities()
.stream()
.map(a -> a.toString() + listTargets(game, a.getTargets(), " (targeting %s)", ""))
.collect(Collectors.joining("; "));
logger.info("Sim Prio [" + depth + "] -- Saved best node yet <" + bestNode.getScore() + scoreInfo + "> " + abilitiesInfo);
node.children.clear();
node.children.add(bestNode);
node.setScore(bestNode.getScore());
}
}
// no need to check other actions
if (val == GameStateEvaluator2.WIN_GAME_SCORE) {
logger.debug("Sim Prio -- win - break");
break;
}
} else {
if (val < beta) {
beta = val;
bestNode = newNode;
bestNode.setScore(val);
if (!newNode.getChildren().isEmpty()) {
bestNode.setCombat(newNode.getChildren().get(0).getCombat());
}
}
// no need to check other actions
if (val == GameStateEvaluator2.LOSE_GAME_SCORE) {
logger.debug("Sim Prio -- lose - break");
break;
}
}
if (alpha >= beta) {
break;
}
if (SimulationNode2.nodeCount > maxNodes) {
logger.debug("Sim Prio -- reached end-state");
break;
}
}
} // end of for (allActions)
if (depth == maxDepth) {
logger.info("Sim Prio [" + depth + "] -- End for Max Depth -- Nodes calculated: " + SimulationNode2.nodeCount);
}
if (bestNode != null) {
node.children.clear();
node.children.add(bestNode);
node.setScore(bestNode.getScore());
if (logger.isTraceEnabled()
&& !bestNode.getAbilities().toString().equals("[Pass]")) {
logger.trace(new StringBuilder("Sim Prio [").append(depth).append("] -- Set after (depth=").append(depth).append(") <").append(bestNode.getScore()).append("> ").append(bestNode.getAbilities().toString()).toString());
}
}
if (currentPlayer.getId().equals(playerId)) {
return bestValSubNodes;
} else {
return beta;
}
}
/**
* Various AI optimizations for actions.
*
* @param game
* @param allActions
*/
protected void optimize(Game game, List<Ability> allActions) {
for (TreeOptimizer optimizer : optimizers) {
optimizer.optimize(game, allActions);
}
Collections.sort(allActions, new Comparator<Ability>() {
@Override
public int compare(Ability ability1, Ability ability2) {
String rule1 = ability1.toString();
String rule2 = ability2.toString();
// pass
boolean pass1 = rule1.startsWith("Pass");
boolean pass2 = rule2.startsWith("Pass");
if (pass1 != pass2) {
if (pass1) {
return 1;
} else {
return -1;
}
}
// play
boolean play1 = rule1.startsWith("Play");
boolean play2 = rule2.startsWith("Play");
if (play1 != play2) {
if (play1) {
return -1;
} else {
return 1;
}
}
// cast
boolean cast1 = rule1.startsWith("Cast");
boolean cast2 = rule2.startsWith("Cast");
if (cast1 != cast2) {
if (cast1) {
return -1;
} else {
return 1;
}
}
// default
return ability1.getRule().compareTo(ability2.getRule());
}
});
}
protected boolean allPassed(Game game) {
for (Player player : game.getPlayers().values()) {
if (!player.isPassed()
&& !player.hasLost()
&& !player.hasLeft()) {
return false;
}
}
return true;
}
@Override
public boolean choose(Outcome outcome, Choice choice, Game game) {
if (choices.isEmpty()) {
return super.choose(outcome, choice, game);
}
if (!choice.isChosen()) {
if (!choice.setChoiceByAnswers(choices, true)) {
choice.setRandomChoice();
}
}
return true;
}
@Override
public boolean chooseTarget(Outcome outcome, Cards cards, TargetCard target, Ability source, Game game) {
if (targets.isEmpty()) {
return super.chooseTarget(outcome, cards, target, source, game);
}
if (!target.doneChosing()) {
for (UUID targetId : targets) {
target.addTarget(targetId, source, game);
if (target.doneChosing()) {
targets.clear();
return true;
}
}
return false;
}
return true;
}
@Override
public boolean choose(Outcome outcome, Cards cards, TargetCard target, Game game) {
if (targets.isEmpty()) {
return super.choose(outcome, cards, target, game);
}
if (!target.doneChosing()) {
for (UUID targetId : targets) {
target.add(targetId, game);
if (target.doneChosing()) {
targets.clear();
return true;
}
}
return false;
}
return true;
}
private void declareBlockers(Game game, UUID activePlayerId) {
game.fireEvent(new GameEvent(GameEvent.EventType.DECLARE_BLOCKERS_STEP_PRE, null, null, activePlayerId));
if (!game.replaceEvent(GameEvent.getEvent(GameEvent.EventType.DECLARING_BLOCKERS, activePlayerId, activePlayerId))) {
List<Permanent> attackers = getAttackers(game);
if (attackers == null) {
return;
}
List<Permanent> possibleBlockers = super.getAvailableBlockers(game);
possibleBlockers = filterOutNonblocking(game, attackers, possibleBlockers);
if (possibleBlockers.isEmpty()) {
return;
}
attackers = filterOutUnblockable(game, attackers, possibleBlockers);
if (attackers.isEmpty()) {
return;
}
CombatUtil.sortByPower(attackers, false);
CombatInfo combatInfo = CombatUtil.blockWithGoodTrade2(game, attackers, possibleBlockers);
Player player = game.getPlayer(playerId);
boolean blocked = false;
for (Map.Entry<Permanent, List<Permanent>> entry : combatInfo.getCombat().entrySet()) {
UUID attackerId = entry.getKey().getId();
List<Permanent> blockers = entry.getValue();
if (blockers != null) {
for (Permanent blocker : blockers) {
player.declareBlocker(player.getId(), blocker.getId(), attackerId, game);
blocked = true;
}
}
}
if (blocked) {
game.getPlayers().resetPassed();
}
}
}
private List<Permanent> filterOutNonblocking(Game game, List<Permanent> attackers, List<Permanent> blockers) {
List<Permanent> blockersLeft = new ArrayList<>();
for (Permanent blocker : blockers) {
for (Permanent attacker : attackers) {
if (blocker.canBlock(attacker.getId(), game)) {
blockersLeft.add(blocker);
break;
}
}
}
return blockersLeft;
}
private List<Permanent> filterOutUnblockable(Game game, List<Permanent> attackers, List<Permanent> blockers) {
List<Permanent> attackersLeft = new ArrayList<>();
for (Permanent attacker : attackers) {
if (CombatUtil.canBeBlocked(game, attacker, blockers)) {
attackersLeft.add(attacker);
}
}
return attackersLeft;
}
private List<Permanent> getAttackers(Game game) {
List<UUID> attackersUUID = game.getCombat().getAttackers();
if (attackersUUID.isEmpty()) {
return null;
}
List<Permanent> attackers = new ArrayList<>();
for (UUID attackerId : attackersUUID) {
Permanent permanent = game.getPermanent(attackerId);
attackers.add(permanent);
}
return attackers;
}
/**
* Choose attackers based on static information. That means that AI won't
* look to the future as it was before, but just choose attackers based on
* current state of the game. This is worse, but at least it is easier to
* implement and won't lead to the case when AI doesn't do anything -
* neither attack nor block.
*
* @param game
* @param activePlayerId
*/
private void declareAttackers(Game game, UUID activePlayerId) {
game.fireEvent(new GameEvent(GameEvent.EventType.DECLARE_ATTACKERS_STEP_PRE, null, null, activePlayerId));
if (!game.replaceEvent(GameEvent.getEvent(GameEvent.EventType.DECLARING_ATTACKERS, activePlayerId, activePlayerId))) {
Player attackingPlayer = game.getPlayer(activePlayerId);
// check alpha strike first (all in attack to kill)
for (UUID defenderId : game.getOpponents(playerId)) {
Player defender = game.getPlayer(defenderId);
if (!defender.isInGame()) {
continue;
}
attackersList = super.getAvailableAttackers(defenderId, game);
if (attackersList.isEmpty()) {
continue;
}
List<Permanent> possibleBlockers = defender.getAvailableBlockers(game);
List<Permanent> killers = CombatUtil.canKillOpponent(game, attackersList, possibleBlockers, defender);
if (!killers.isEmpty()) {
for (Permanent attacker : killers) {
attackingPlayer.declareAttacker(attacker.getId(), defenderId, game, false);
}
return;
}
}
// check all other actions
for (UUID defenderId : game.getOpponents(playerId)) {
Player defender = game.getPlayer(defenderId);
if (!defender.isInGame()) {
continue;
}
attackersList = super.getAvailableAttackers(defenderId, game);
if (attackersList.isEmpty()) {
continue;
}
List<Permanent> possibleBlockers = defender.getAvailableBlockers(game);
// The AI will now attack more sanely. Simple, but good enough for now.
// The sim minmax does not work at the moment.
boolean safeToAttack;
CombatEvaluator eval = new CombatEvaluator();
for (Permanent attacker : attackersList) {
safeToAttack = true;
int attackerValue = eval.evaluate(attacker, game);
for (Permanent blocker : possibleBlockers) {
int blockerValue = eval.evaluate(blocker, game);
// blocker can kill attacker
if (attacker.getPower().getValue() <= blocker.getToughness().getValue()
&& attacker.getToughness().getValue() <= blocker.getPower().getValue()) {
safeToAttack = false;
}
// attacker and blocker have the same P/T, check their overall value
if (attacker.getToughness().getValue() == blocker.getPower().getValue()
&& attacker.getPower().getValue() == blocker.getToughness().getValue()) {
if (attackerValue > blockerValue
|| blocker.getAbilities().containsKey(FirstStrikeAbility.getInstance().getId())
|| blocker.getAbilities().containsKey(DoubleStrikeAbility.getInstance().getId())
|| blocker.getAbilities().contains(new ExaltedAbility())
|| blocker.getAbilities().containsKey(DeathtouchAbility.getInstance().getId())
|| blocker.getAbilities().containsKey(IndestructibleAbility.getInstance().getId())
|| !attacker.getAbilities().containsKey(FirstStrikeAbility.getInstance().getId())
|| !attacker.getAbilities().containsKey(DoubleStrikeAbility.getInstance().getId())
|| !attacker.getAbilities().contains(new ExaltedAbility())) {
safeToAttack = false;
}
}
// attacker can kill by deathtouch
if (attacker.getAbilities().containsKey(DeathtouchAbility.getInstance().getId())
|| attacker.getAbilities().containsKey(IndestructibleAbility.getInstance().getId())) {
safeToAttack = true;
}
// attacker has flying and blocker has neither flying nor reach
if (attacker.getAbilities().containsKey(FlyingAbility.getInstance().getId())
&& !blocker.getAbilities().containsKey(FlyingAbility.getInstance().getId())
&& !blocker.getAbilities().containsKey(ReachAbility.getInstance().getId())) {
safeToAttack = true;
}
// if any check fails, move on to the next possible attacker
if (!safeToAttack) {
break;
}
}
// 0 power, don't bother attacking
if (attacker.getPower().getValue() == 0) {
safeToAttack = false;
}
// add attacker to the next list of all attackers that can safely attack
if (safeToAttack) {
attackersToCheck.add(attacker);
}
}
// now we have a list of all attackers that can safely attack:
// first check to see if any Planeswalkers can be killed
int totalPowerOfAttackers = 0;
int loyaltyCounters = 0;
for (Permanent planeswalker : game.getBattlefield().getAllActivePermanents(StaticFilters.FILTER_PERMANENT_PLANESWALKER, defender.getId(), game)) {
if (planeswalker != null) {
loyaltyCounters = planeswalker.getCounters(game).getCount(CounterType.LOYALTY);
// verify the attackers can kill the planeswalker, otherwise attack the player
for (Permanent attacker : attackersToCheck) {
totalPowerOfAttackers += attacker.getPower().getValue();
}
if (totalPowerOfAttackers < loyaltyCounters) {
break;
}
// kill the Planeswalker
for (Permanent attacker : attackersToCheck) {
loyaltyCounters -= attacker.getPower().getValue();
attackingPlayer.declareAttacker(attacker.getId(), planeswalker.getId(), game, true);
if (loyaltyCounters <= 0) {
break;
}
}
}
}
// any remaining attackers go for the player
for (Permanent attackingPermanent : attackersToCheck) {
// if not already attacking a Planeswalker...
if (!attackingPermanent.isAttacking()) {
attackingPlayer.declareAttacker(attackingPermanent.getId(), defenderId, game, true);
}
}
}
}
}
@Override
public void selectAttackers(Game game, UUID attackingPlayerId) {
logger.debug("selectAttackers");
declareAttackers(game, playerId);
}
@Override
public void selectBlockers(Ability source, Game game, UUID defendingPlayerId) {
logger.debug("selectBlockers");
declareBlockers(game, playerId);
}
/**
* Copies game and replaces all players in copy with simulated players
*
* @param game
* @return a new game object with simulated players
*/
protected Game createSimulation(Game game) {
Game sim = game.copy();
sim.setSimulation(true);
for (Player copyPlayer : sim.getState().getPlayers().values()) {
Player origPlayer = game.getState().getPlayers().get(copyPlayer.getId()).copy();
if (!suggestedActions.isEmpty()) {
logger.debug(origPlayer.getName() + " suggested: " + suggestedActions);
}
SimulatedPlayer2 newPlayer = new SimulatedPlayer2(copyPlayer.getId(), copyPlayer.getId().equals(playerId), suggestedActions);
newPlayer.restore(origPlayer);
sim.getState().getPlayers().put(copyPlayer.getId(), newPlayer);
}
return sim;
}
private boolean checkForRepeatedAction(Game sim, SimulationNode2 node, Ability action, UUID playerId) {
// pass or casting two times a spell multiple times on hand is ok
if (action instanceof PassAbility || action instanceof SpellAbility || action.getAbilityType() == AbilityType.MANA) {
return false;
}
int newVal = GameStateEvaluator2.evaluate(playerId, sim).getTotalScore();
SimulationNode2 test = node.getParent();
while (test != null) {
if (test.getPlayerId().equals(playerId)) {
if (test.getAbilities() != null && test.getAbilities().size() == 1) {
if (action.toString().equals(test.getAbilities().get(0).toString())) {
if (test.getParent() != null) {
Game prevGame = node.getGame();
if (prevGame != null) {
int oldVal = GameStateEvaluator2.evaluate(playerId, prevGame).getTotalScore();
if (oldVal >= newVal) {
return true;
}
}
}
}
}
}
test = test.getParent();
}
return false;
}
protected final void getSuggestedActions() {
if (!AI_SUGGEST_BY_FILE_ENABLE) {
return;
}
Scanner scanner = null;
try {
File file = new File(AI_SUGGEST_BY_FILE_SOURCE);
if (file.exists()) {
scanner = new Scanner(file);
while (scanner.hasNextLine()) {
String line = scanner.nextLine();
if (line.startsWith("cast:")
|| line.startsWith("play:")) {
suggestedActions.add(line.substring(5));
}
}
System.out.println("suggested::");
for (int i = 0; i < suggestedActions.size(); i++) {
System.out.println(" " + suggestedActions.get(i));
}
}
} catch (Exception e) {
// swallow
e.printStackTrace();
} finally {
if (scanner != null) {
scanner.close();
}
}
}
@Override
public void addAction(String action) {
if (action != null
&& (action.startsWith("cast:")
|| action.startsWith("play:"))) {
suggestedActions.add(action.substring(5));
}
}
@Override
public int getActionCount() {
return suggestedActions.size();
}
/**
* Return info about targets list (targeting objects)
*
* @param game
* @param targets
* @param format example: my %s in data
* @param emptyText default text for empty targets list
* @return
*/
protected String listTargets(Game game, Targets targets, String format, String emptyText) {
List<String> res = new ArrayList<>();
for (Target target : targets) {
for (UUID id : target.getTargets()) {
MageObject object = game.getObject(id);
if (object != null) {
String prefix = "";
if (target instanceof TargetAmount) {
prefix = " " + target.getTargetAmount(id) + "x ";
}
res.add(prefix + object.getIdName());
}
}
}
String info = String.join("; ", res);
if (info.isEmpty()) {
return emptyText;
} else {
return String.format(format, info);
}
}
@Override
public void cleanUpOnMatchEnd() {
root = null;
super.cleanUpOnMatchEnd();
}
}