/*
* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* The views and conclusions contained in the software and documentation are those of the
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* or implied, of BetaSteward_at_googlemail.com.
*/
package mage.player.ai;
import mage.abilities.Ability;
import mage.abilities.SpellAbility;
import mage.abilities.TriggeredAbility;
import mage.abilities.common.PassAbility;
import mage.abilities.costs.mana.GenericManaCost;
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.target.Target;
import org.apache.log4j.Logger;
import java.util.*;
import java.util.concurrent.ConcurrentLinkedQueue;
/**
*
* @author BetaSteward_at_googlemail.com
*/
public class SimulatedPlayer extends ComputerPlayer {
private static final Logger logger = Logger.getLogger(SimulatedPlayer.class);
private boolean isSimulatedPlayer;
private transient ConcurrentLinkedQueue<Ability> allActions;
private static PassAbility pass = new PassAbility();
protected int maxDepth;
public SimulatedPlayer(UUID id, boolean isSimulatedPlayer, int maxDepth) {
super(id);
this.maxDepth = maxDepth;
pass.setControllerId(playerId);
this.isSimulatedPlayer = isSimulatedPlayer;
}
public SimulatedPlayer(final SimulatedPlayer player) {
super(player);
this.isSimulatedPlayer = player.isSimulatedPlayer;
}
@Override
public SimulatedPlayer copy() {
return new SimulatedPlayer(this);
}
public List<Ability> simulatePriority(Game game) {
allActions = new ConcurrentLinkedQueue<>();
Game sim = game.copy();
simulateOptions(sim, pass);
ArrayList<Ability> list = new ArrayList<>(allActions);
//Collections.shuffle(list);
Collections.reverse(list);
return list;
}
protected void simulateOptions(Game game, Ability previousActions) {
allActions.add(previousActions);
List<Ability> playables = game.getPlayer(playerId).getPlayable(game, isSimulatedPlayer);
for (Ability ability: playables) {
List<Ability> options = game.getPlayer(playerId).getPlayableOptions(ability, game);
if (options.isEmpty()) {
if (!ability.getManaCosts().getVariableCosts().isEmpty()) {
simulateVariableCosts(ability, game);
}
else {
allActions.add(ability);
}
// simulateAction(game, previousActions, ability);
}
else {
// ExecutorService simulationExecutor = Executors.newFixedThreadPool(4);
for (Ability option: options) {
if (!ability.getManaCosts().getVariableCosts().isEmpty()) {
simulateVariableCosts(option, game);
}
else {
allActions.add(option);
}
// SimulationWorker worker = new SimulationWorker(game, this, previousActions, option);
// simulationExecutor.submit(worker);
}
// simulationExecutor.shutdown();
// while(!simulationExecutor.isTerminated()) {}
}
}
}
// protected void simulateAction(Game game, SimulatedAction previousActions, Ability action) {
// List<Ability> actions = new ArrayList<Ability>(previousActions.getAbilities());
// actions.add(action);
// Game sim = game.copy();
// if (sim.getPlayer(playerId).activateAbility((ActivatedAbility) action.copy(), sim)) {
// sim.applyEffects();
// sim.getPlayers().resetPassed();
// allActions.add(new SimulatedAction(sim, actions));
// }
// }
//add a generic mana cost for each amount possible
protected void simulateVariableCosts(Ability ability, Game game) {
int numAvailable = getAvailableManaProducers(game).size() - ability.getManaCosts().convertedManaCost();
int start = 0;
if (!(ability instanceof SpellAbility)) {
//only use x=0 on spell abilities
if (numAvailable == 0)
return;
else
start = 1;
}
for (int i = start; i < numAvailable; i++) {
Ability newAbility = ability.copy();
newAbility.getManaCostsToPay().add(new GenericManaCost(i));
allActions.add(newAbility);
}
}
/*@Override
public boolean playXMana(VariableManaCost cost, ManaCosts<ManaCost> costs, Game game) {
//simulateVariableCosts method adds a generic mana cost for each option
for (ManaCost manaCost: costs) {
if (manaCost instanceof GenericManaCost) {
cost.setPayment(manaCost.getPayment());
logger.debug("simulating -- X = " + cost.getPayment().count());
break;
}
}
cost.setPaid();
return true;
}*/
public List<Combat> addAttackers(Game game) {
Map<Integer, Combat> engagements = new HashMap<>();
//useful only for two player games - will only attack first opponent
UUID defenderId = game.getOpponents(playerId).iterator().next();
List<Permanent> attackersList = super.getAvailableAttackers(defenderId, game);
//use binary digits to calculate powerset of attackers
int powerElements = (int) Math.pow(2, attackersList.size());
StringBuilder binary = new StringBuilder();
for (int i = powerElements - 1; i >= 0; i--) {
Game sim = game.copy();
binary.setLength(0);
binary.append(Integer.toBinaryString(i));
while (binary.length() < attackersList.size()) {
binary.insert(0, '0');
}
for (int j = 0; j < attackersList.size(); j++) {
if (binary.charAt(j) == '1') {
setStoredBookmark(sim.bookmarkState()); // makes it possible to UNDO a declared attacker with costs from e.g. Propaganda
if (!sim.getCombat().declareAttacker(attackersList.get(j).getId(), defenderId, playerId, sim)) {
sim.undo(playerId);
}
}
}
if (engagements.put(sim.getCombat().getValue().hashCode(), sim.getCombat()) != null) {
logger.debug("simulating -- found redundant attack combination");
}
else if (logger.isDebugEnabled()) {
logger.debug("simulating -- attack:" + sim.getCombat().getGroups().size());
}
}
return new ArrayList<>(engagements.values());
}
public List<Combat> addBlockers(Game game) {
Map<Integer, Combat> engagements = new HashMap<>();
int numGroups = game.getCombat().getGroups().size();
if (numGroups == 0) return new ArrayList<>();
//add a node with no blockers
Game sim = game.copy();
engagements.put(sim.getCombat().getValue().hashCode(), sim.getCombat());
sim.fireEvent(GameEvent.getEvent(GameEvent.EventType.DECLARED_BLOCKERS, playerId, playerId));
List<Permanent> blockers = getAvailableBlockers(game);
addBlocker(game, blockers, engagements);
return new ArrayList<>(engagements.values());
}
protected void addBlocker(Game game, List<Permanent> blockers, Map<Integer, Combat> engagements) {
if (blockers.isEmpty())
return;
int numGroups = game.getCombat().getGroups().size();
//try to block each attacker with each potential blocker
Permanent blocker = blockers.get(0);
if (logger.isDebugEnabled())
logger.debug("simulating -- block:" + blocker);
List<Permanent> remaining = remove(blockers, blocker);
for (int i = 0; i < numGroups; i++) {
if (game.getCombat().getGroups().get(i).canBlock(blocker, game)) {
Game sim = game.copy();
sim.getCombat().getGroups().get(i).addBlocker(blocker.getId(), playerId, sim);
if (engagements.put(sim.getCombat().getValue().hashCode(), sim.getCombat()) != null)
logger.debug("simulating -- found redundant block combination");
addBlocker(sim, remaining, engagements); // and recurse minus the used blocker
}
}
addBlocker(game, remaining, engagements);
}
@Override
public boolean triggerAbility(TriggeredAbility source, Game game) {
Ability ability = source.copy();
List<Ability> options = getPlayableOptions(ability, game);
if (options.isEmpty()) {
if (logger.isDebugEnabled())
logger.debug("simulating -- triggered ability:" + ability);
game.getStack().push(new StackAbility(ability, playerId));
if (ability.activate(game, false) && ability.isUsesStack()) {
game.fireEvent(new GameEvent(GameEvent.EventType.TRIGGERED_ABILITY, ability.getId(), ability.getSourceId(), ability.getControllerId()));
}
game.applyEffects();
game.getPlayers().resetPassed();
}
else {
SimulationNode parent = (SimulationNode) game.getCustomData();
if (parent.getDepth() == maxDepth) return true;
logger.debug(indent(parent.getDepth()) + "simulating -- triggered ability - adding children:" + options.size());
for (Ability option: options) {
addAbilityNode(parent, option, game);
}
}
return true;
}
protected void addAbilityNode(SimulationNode parent, Ability ability, Game game) {
Game sim = game.copy();
sim.getStack().push(new StackAbility(ability, playerId));
ability.activate(sim, false);
if (ability.activate(sim, false) && ability.isUsesStack()) {
game.fireEvent(new GameEvent(GameEvent.EventType.TRIGGERED_ABILITY, ability.getId(), ability.getSourceId(), ability.getControllerId()));
}
sim.applyEffects();
SimulationNode newNode = new SimulationNode(parent, sim, playerId);
logger.debug(indent(newNode.getDepth()) + "simulating -- node #:" + SimulationNode.getCount() + " triggered ability option");
for (Target target: ability.getTargets()) {
for (UUID targetId: target.getTargets()) {
newNode.getTargets().add(targetId);
}
}
parent.children.add(newNode);
}
@Override
public boolean priority(Game game) {
//should never get here
return false;
}
protected String indent(int num) {
char[] fill = new char[num];
Arrays.fill(fill, ' ');
return new String(fill);
}
}