Examples with BlockerDeclaredEvent mage.game.events.BlockerDeclaredEvent used on opensource projects

Example 1 with BlockerDeclaredEvent

use of mage.game.events.BlockerDeclaredEvent in project mage by magefree.

the class BalduvianWarlordUnblockEffect method apply.

@Override
public boolean apply(Game game, Ability source) {
    Player controller = game.getPlayer(source.getControllerId());
    Permanent permanent = game.getPermanent(source.getTargets().getFirstTarget());
    if (controller != null && permanent != null) {
        // Remove target creature from combat
        Effect effect = new RemoveFromCombatTargetEffect();
        effect.apply(game, source);
        // Make blocked creatures unblocked
        BlockedByOnlyOneCreatureThisCombatWatcher watcher = game.getState().getWatcher(BlockedByOnlyOneCreatureThisCombatWatcher.class);
        if (watcher != null) {
            Set<CombatGroup> combatGroups = watcher.getBlockedOnlyByCreature(permanent.getId());
            if (combatGroups != null) {
                for (CombatGroup combatGroup : combatGroups) {
                    if (combatGroup != null) {
                        combatGroup.setBlocked(false, game);
                    }
                }
            }
        }
        // Choose new creature to block
        if (permanent.isCreature(game)) {
            // according to the following mail response from MTG Rules Management about False Orders:
            // "if Player A attacks Players B and C, Player B's creatures cannot block creatures attacking Player C"
            // therefore we need to single out creatures attacking the target blocker's controller (disappointing, I know)
            List<Permanent> list = new ArrayList<>();
            for (CombatGroup combatGroup : game.getCombat().getGroups()) {
                if (combatGroup.getDefendingPlayerId().equals(permanent.getControllerId())) {
                    for (UUID attackingCreatureId : combatGroup.getAttackers()) {
                        Permanent targetsControllerAttacker = game.getPermanent(attackingCreatureId);
                        list.add(targetsControllerAttacker);
                    }
                }
            }
            Player targetsController = game.getPlayer(permanent.getControllerId());
            if (targetsController != null) {
                FilterAttackingCreature filter = new FilterAttackingCreature("creature attacking " + targetsController.getLogName());
                filter.add(new PermanentInListPredicate(list));
                TargetAttackingCreature target = new TargetAttackingCreature(1, 1, filter, true);
                if (target.canChoose(source.getSourceId(), controller.getId(), game)) {
                    while (!target.isChosen() && target.canChoose(source.getSourceId(), controller.getId(), game) && controller.canRespond()) {
                        controller.chooseTarget(outcome, target, source, game);
                    }
                } else {
                    return true;
                }
                Permanent chosenPermanent = game.getPermanent(target.getFirstTarget());
                if (chosenPermanent != null && chosenPermanent.isCreature(game)) {
                    CombatGroup chosenGroup = game.getCombat().findGroup(chosenPermanent.getId());
                    if (chosenGroup != null) {
                        // Relevant ruling for Balduvian Warlord:
                        // 7/15/2006 	If an attacking creature has an ability that triggers “When this creature becomes blocked,”
                        // it triggers when a creature blocks it due to the Warlord's ability only if it was unblocked at that point.
                        boolean notYetBlocked = chosenGroup.getBlockers().isEmpty();
                        chosenGroup.addBlockerToGroup(permanent.getId(), controller.getId(), game);
                        // 702.21h
                        game.getCombat().addBlockingGroup(permanent.getId(), chosenPermanent.getId(), controller.getId(), game);
                        if (notYetBlocked) {
                            game.fireEvent(GameEvent.getEvent(GameEvent.EventType.CREATURE_BLOCKED, chosenPermanent.getId(), source, null));
                            Set<MageObjectReference> morSet = new HashSet<>();
                            morSet.add(new MageObjectReference(chosenPermanent, game));
                            for (UUID bandedId : chosenPermanent.getBandedCards()) {
                                CombatGroup bandedGroup = game.getCombat().findGroup(bandedId);
                                if (bandedGroup != null && chosenGroup.getBlockers().size() == 1) {
                                    morSet.add(new MageObjectReference(bandedId, game));
                                    game.fireEvent(GameEvent.getEvent(GameEvent.EventType.CREATURE_BLOCKED, bandedId, source, null));
                                }
                            }
                            String key = UUID.randomUUID().toString();
                            game.getState().setValue("becameBlocked_" + key, morSet);
                            game.fireEvent(GameEvent.getEvent(GameEvent.EventType.BATCH_BLOCK_NONCOMBAT, source.getSourceId(), source, source.getControllerId(), key, 0));
                        }
                        game.fireEvent(new BlockerDeclaredEvent(chosenPermanent.getId(), permanent.getId(), permanent.getControllerId()));
                    }
                    // a new blockingGroup is formed, so it's necessary to find it again
                    CombatGroup blockGroup = findBlockingGroup(permanent, game);
                    if (blockGroup != null) {
                        blockGroup.pickAttackerOrder(permanent.getControllerId(), game);
                    }
                }
            }
            return true;
        }
    }
    return false;
}

Example 2 with BlockerDeclaredEvent

use of mage.game.events.BlockerDeclaredEvent in project mage by magefree.

the class FalseOrdersUnblockEffect method apply.

@Override
public boolean apply(Game game, Ability source) {
    Player controller = game.getPlayer(source.getControllerId());
    Permanent permanent = game.getPermanent(source.getTargets().getFirstTarget());
    if (controller == null || permanent == null) {
        return false;
    }
    // Remove target creature from combat
    Effect effect = new RemoveFromCombatTargetEffect();
    effect.apply(game, source);
    // Make blocked creatures unblocked
    BlockedByOnlyOneCreatureThisCombatWatcher watcher = game.getState().getWatcher(BlockedByOnlyOneCreatureThisCombatWatcher.class);
    if (watcher != null) {
        Set<CombatGroup> combatGroups = watcher.getBlockedOnlyByCreature(permanent.getId());
        if (combatGroups != null) {
            for (CombatGroup combatGroup : combatGroups) {
                if (combatGroup != null) {
                    combatGroup.setBlocked(false, game);
                }
            }
        }
    }
    if (!permanent.isCreature(game) || !controller.chooseUse(Outcome.Benefit, "Have " + permanent.getLogName() + " block an attacking creature?", source, game)) {
        return false;
    }
    // Choose new creature to block
    // according to the following mail response from MTG Rules Management about False Orders:
    // "if Player A attacks Players B and C, Player B's creatures cannot block creatures attacking Player C"
    // therefore we need to single out creatures attacking the target blocker's controller (disappointing, I know)
    List<Permanent> list = new ArrayList<>();
    for (CombatGroup combatGroup : game.getCombat().getGroups()) {
        if (combatGroup.getDefendingPlayerId().equals(permanent.getControllerId())) {
            for (UUID attackingCreatureId : combatGroup.getAttackers()) {
                Permanent targetsControllerAttacker = game.getPermanent(attackingCreatureId);
                list.add(targetsControllerAttacker);
            }
        }
    }
    Player targetsController = game.getPlayer(permanent.getControllerId());
    if (targetsController == null) {
        return false;
    }
    FilterAttackingCreature filter = new FilterAttackingCreature("creature attacking " + targetsController.getLogName());
    filter.add(new PermanentInListPredicate(list));
    TargetAttackingCreature target = new TargetAttackingCreature(1, 1, filter, true);
    if (target.canChoose(source.getSourceId(), controller.getId(), game)) {
        while (!target.isChosen() && target.canChoose(source.getSourceId(), controller.getId(), game) && controller.canRespond()) {
            controller.chooseTarget(outcome, target, source, game);
        }
    } else {
        return true;
    }
    Permanent chosenPermanent = game.getPermanent(target.getFirstTarget());
    if (chosenPermanent == null || !chosenPermanent.isCreature(game)) {
        return false;
    }
    CombatGroup chosenGroup = game.getCombat().findGroup(chosenPermanent.getId());
    if (chosenGroup != null) {
        // Relevant ruling for Balduvian Warlord:
        // 7/15/2006 	If an attacking creature has an ability that triggers “When this creature becomes blocked,”
        // it triggers when a creature blocks it due to the Warlord's ability only if it was unblocked at that point.
        boolean notYetBlocked = chosenGroup.getBlockers().isEmpty();
        chosenGroup.addBlockerToGroup(permanent.getId(), controller.getId(), game);
        // 702.21h
        game.getCombat().addBlockingGroup(permanent.getId(), chosenPermanent.getId(), controller.getId(), game);
        if (notYetBlocked) {
            game.fireEvent(GameEvent.getEvent(GameEvent.EventType.CREATURE_BLOCKED, chosenPermanent.getId(), source, null));
            Set<MageObjectReference> morSet = new HashSet<>();
            morSet.add(new MageObjectReference(chosenPermanent, game));
            for (UUID bandedId : chosenPermanent.getBandedCards()) {
                CombatGroup bandedGroup = game.getCombat().findGroup(bandedId);
                if (bandedGroup != null && chosenGroup.getBlockers().size() == 1) {
                    morSet.add(new MageObjectReference(bandedId, game));
                    game.fireEvent(GameEvent.getEvent(GameEvent.EventType.CREATURE_BLOCKED, bandedId, source, null));
                }
            }
            String key = UUID.randomUUID().toString();
            game.getState().setValue("becameBlocked_" + key, morSet);
            game.fireEvent(GameEvent.getEvent(GameEvent.EventType.BATCH_BLOCK_NONCOMBAT, source.getSourceId(), source, source.getControllerId(), key, 0));
        }
        game.fireEvent(new BlockerDeclaredEvent(chosenPermanent.getId(), permanent.getId(), permanent.getControllerId()));
    }
    // a new blockingGroup is formed, so it's necessary to find it again
    CombatGroup blockGroup = findBlockingGroup(permanent, game);
    if (blockGroup != null) {
        blockGroup.pickAttackerOrder(permanent.getControllerId(), game);
    }
    return true;
}

Example 3 with BlockerDeclaredEvent

use of mage.game.events.BlockerDeclaredEvent in project mage by magefree.

the class SorrowsPathSwitchBlockersEffect method reassignBlocker.

private void reassignBlocker(Permanent blocker, Set<Permanent> attackers, Game game) {
    for (Permanent attacker : attackers) {
        CombatGroup group = game.getCombat().findGroup(attacker.getId());
        if (group != null) {
            group.addBlockerToGroup(blocker.getId(), blocker.getControllerId(), game);
            game.getCombat().addBlockingGroup(blocker.getId(), attacker.getId(), blocker.getControllerId(), game);
            // TODO: find an alternate event solution for multi-blockers (as per issue #4285), this will work fine for single blocker creatures though
            game.fireEvent(new BlockerDeclaredEvent(attacker.getId(), blocker.getId(), blocker.getControllerId()));
            group.pickBlockerOrder(attacker.getControllerId(), game);
        }
    }
    // a new blockingGroup is formed, so it's necessary to find it again
    CombatGroup blockGroup = findBlockingGroup(blocker, game);
    if (blockGroup != null) {
        blockGroup.pickAttackerOrder(blocker.getControllerId(), game);
    }
}

Example 4 with BlockerDeclaredEvent

use of mage.game.events.BlockerDeclaredEvent in project mage by magefree.

the class CamouflageEffect method applies.

@Override
public boolean applies(GameEvent event, Ability source, Game game) {
    Player controller = game.getPlayer(source.getControllerId());
    if (controller != null) {
        Map<UUID, List<List<Permanent>>> masterMap = new HashMap<>();
        // and divides them into a number of piles equal to the number of attacking creatures for whom that player is the defending player (piles can be empty)
        for (UUID defenderId : game.getCombat().getPlayerDefenders(game)) {
            Player defender = game.getPlayer(defenderId);
            if (defender != null) {
                List<List<Permanent>> masterList = new ArrayList<>();
                int attackerCount = 0;
                for (CombatGroup combatGroup : game.getCombat().getGroups()) {
                    if (combatGroup.getDefendingPlayerId().equals(defenderId)) {
                        attackerCount += combatGroup.getAttackers().size();
                    }
                }
                // This shouldn't be necessary, but just in case
                for (Permanent permanent : game.getBattlefield().getAllActivePermanents(new FilterCreaturePermanent(), defenderId, game)) {
                    permanent.setBlocking(0);
                }
                boolean declinedChoice = false;
                while (masterList.size() < attackerCount) {
                    List<Permanent> newPile = new ArrayList<>();
                    if (!declinedChoice) {
                        FilterControlledCreaturePermanent filter = new FilterControlledCreaturePermanent("creatures you control not yet assigned to a pile");
                        for (List<Permanent> list : masterList) {
                            // Creatures they control that can block additional creatures may likewise be put into additional piles.
                            // (This temporarily manipulates Blocking values to "test" how many blockers the creature has still left to assign)
                            List<Permanent> spentBlockers = new ArrayList<>();
                            for (Permanent possibleBlocker : list) {
                                if (possibleBlocker.getMaxBlocks() != 0 && possibleBlocker.getBlocking() >= possibleBlocker.getMaxBlocks()) {
                                    spentBlockers.add(possibleBlocker);
                                }
                            }
                            filter.add(Predicates.not(new PermanentInListPredicate(spentBlockers)));
                        }
                        if (defender.chooseUse(Outcome.Neutral, "Make a new blocker pile? If not, all remaining piles stay empty. (remaining piles: " + (attackerCount - masterList.size()) + ')', source, game)) {
                            Target target = new TargetControlledCreaturePermanent(0, Integer.MAX_VALUE, filter, true);
                            if (target.canChoose(source.getSourceId(), defenderId, game)) {
                                if (defender.chooseTarget(Outcome.Neutral, target, source, game)) {
                                    for (UUID creatureId : target.getTargets()) {
                                        Permanent creature = game.getPermanent(creatureId);
                                        if (creature != null) {
                                            creature.setBlocking(creature.getBlocking() + 1);
                                            newPile.add(creature);
                                        }
                                    }
                                }
                            }
                        } else {
                            declinedChoice = true;
                        }
                    }
                    masterList.add(newPile);
                    StringBuilder sb = new StringBuilder("Blocker pile of ").append(defender.getLogName()).append(" (no. " + masterList.size() + "): ");
                    int i = 0;
                    for (Permanent permanent : newPile) {
                        i++;
                        sb.append(permanent.getLogName());
                        if (i < newPile.size()) {
                            sb.append(", ");
                        }
                    }
                    game.informPlayers(sb.toString());
                }
                // Clear all test Blocking values before assigning piles
                for (Permanent permanent : game.getBattlefield().getAllActivePermanents(new FilterCreaturePermanent(), defenderId, game)) {
                    permanent.setBlocking(0);
                }
                masterMap.put(defenderId, masterList);
            }
        }
        // Assign each pile to a different one of those attacking creatures at random. Each creature in a pile that can block the creature that pile is assigned to does so
        if (!masterMap.isEmpty()) {
            for (UUID playerId : masterMap.keySet()) {
                List<Permanent> available = new ArrayList<>();
                for (CombatGroup combatGroup : game.getCombat().getGroups()) {
                    if (combatGroup.getDefendingPlayerId().equals(playerId)) {
                        for (UUID attackerId : combatGroup.getAttackers()) {
                            Permanent permanent = game.getPermanent(attackerId);
                            if (permanent != null && permanent.isCreature(game)) {
                                available.add(permanent);
                            }
                        }
                    }
                }
                List<List<Permanent>> allPiles = masterMap.get(playerId);
                for (List<Permanent> pile : allPiles) {
                    if (available.isEmpty()) {
                        break;
                    }
                    int randomAttacker = RandomUtil.nextInt(available.size());
                    Permanent attacker = available.get(randomAttacker);
                    if (attacker != null) {
                        available.remove(randomAttacker);
                        for (Permanent blocker : pile) {
                            CombatGroup group = game.getCombat().findGroup(attacker.getId());
                            if (group != null) {
                                if (blocker.canBlock(attacker.getId(), game) && (blocker.getMaxBlocks() == 0 || group.getAttackers().size() <= blocker.getMaxBlocks())) {
                                    boolean notYetBlocked = group.getBlockers().isEmpty();
                                    group.addBlockerToGroup(blocker.getId(), blocker.getControllerId(), game);
                                    game.getCombat().addBlockingGroup(blocker.getId(), attacker.getId(), blocker.getControllerId(), game);
                                    if (notYetBlocked) {
                                        game.fireEvent(GameEvent.getEvent(GameEvent.EventType.CREATURE_BLOCKED, attacker.getId(), source, null));
                                    }
                                    // TODO: find an alternate event solution for multi-blockers (as per issue #4285), this will work fine for single blocker creatures though
                                    game.fireEvent(new BlockerDeclaredEvent(attacker.getId(), blocker.getId(), blocker.getControllerId()));
                                }
                            }
                        }
                    }
                }
            }
        }
        return true;
    }
    return false;
}