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* Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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package mage.watchers.common;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import mage.MageObjectReference;
import mage.constants.WatcherScope;
import mage.game.Game;
import mage.game.events.GameEvent;
import mage.game.events.GameEvent.EventType;
import mage.game.permanent.Permanent;
import mage.watchers.Watcher;
/**
*
* @author LevelX2
*/
public class BlockedAttackerWatcher extends Watcher {
public HashMap<MageObjectReference, Set<MageObjectReference>> blockData = new HashMap<>();
public BlockedAttackerWatcher() {
super("BlockedAttackerWatcher", WatcherScope.GAME);
}
public BlockedAttackerWatcher(final BlockedAttackerWatcher watcher) {
super(watcher);
for (MageObjectReference mageObjectReference : watcher.blockData.keySet()) {
Set<MageObjectReference> blockedAttackers = new HashSet<>();
blockedAttackers.addAll(watcher.blockData.get(mageObjectReference));
blockData.put(mageObjectReference, blockedAttackers);
}
}
@Override
public BlockedAttackerWatcher copy() {
return new BlockedAttackerWatcher(this);
}
@Override
public void watch(GameEvent event, Game game) {
if (event.getType() == EventType.BLOCKER_DECLARED) {
MageObjectReference blocker = new MageObjectReference(event.getSourceId(), game);
Set<MageObjectReference> blockedAttackers = blockData.get(blocker);
if (blockedAttackers != null) {
blockedAttackers.add(new MageObjectReference(event.getTargetId(), game));
} else {
blockedAttackers = new HashSet<>();
blockedAttackers.add(new MageObjectReference(event.getTargetId(), game));
blockData.put(blocker, blockedAttackers);
}
}
}
@Override
public void reset() {
super.reset();
blockData.clear();
}
public boolean creatureHasBlockedAttacker(Permanent attacker, Permanent blocker) {
Set<MageObjectReference> blockedAttackers = blockData.get(new MageObjectReference(blocker));
return blockedAttackers != null && blockedAttackers.contains(new MageObjectReference(attacker));
}
}