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Mage/src/mage/target/TargetStackObject.java

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+/*
+ *  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.
+ * 
+ *     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
+ *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ *  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.
+ * 
+ *  The views and conclusions contained in the software and documentation are those of the
+ *  authors and should not be interpreted as representing official policies, either expressed
+ *  or implied, of BetaSteward_at_googlemail.com.
+ */
+
+package mage.target;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+import mage.Constants.Zone;
+import mage.abilities.Ability;
+import mage.filter.FilterStackObject;
+import mage.game.Game;
+import mage.game.stack.StackObject;
+
+/**
+ *
+ * @author BetaSteward_at_googlemail.com
+ */
+public class TargetStackObject extends TargetObject<TargetStackObject> {
+
+	protected FilterStackObject filter;
+
+	public TargetStackObject() {
+		this(1, 1, new FilterStackObject());
+	}
+
+	public TargetStackObject(FilterStackObject filter) {
+		this(1, 1, filter);
+	}
+
+	public TargetStackObject(int numTargets, FilterStackObject filter) {
+		this(numTargets, numTargets, filter);
+	}
+
+	public TargetStackObject(int minNumTargets, int maxNumTargets, FilterStackObject filter) {
+		this.minNumberOfTargets = minNumTargets;
+		this.maxNumberOfTargets = maxNumTargets;
+		this.zone = Zone.STACK;
+		this.filter = filter;
+		this.targetName = filter.getMessage();
+	}
+
+	public TargetStackObject(final TargetStackObject target) {
+		super(target);
+		this.filter = target.filter.copy();
+	}
+
+	@Override
+	public FilterStackObject getFilter() {
+		return filter;
+	}
+
+	@Override
+	public boolean canTarget(UUID id, Ability source, Game game) {
+		StackObject stackObject = game.getStack().getStackObject(id);
+		if (stackObject != null) {
+			return filter.match(stackObject);
+		}
+		return false;
+	}
+
+	@Override
+	public boolean canChoose(UUID sourceId, UUID sourceControllerId, Game game) {
+		int count = 0;
+		for (StackObject stackObject: game.getStack()) {
+			if (game.getPlayer(sourceControllerId).getInRange().contains(stackObject.getControllerId()) && filter.match(stackObject)) {
+				count++;
+				if (count >= this.minNumberOfTargets)
+					return true;
+			}
+		}
+		return false;
+	}
+
+	@Override
+	public List<UUID> possibleTargets(UUID sourceId, UUID sourceControllerId, Game game) {
+		List<UUID> possibleTargets = new ArrayList<UUID>();
+		for (StackObject stackObject: game.getStack()) {
+			if (game.getPlayer(sourceControllerId).getInRange().contains(stackObject.getControllerId()) && filter.match(stackObject)) {
+				possibleTargets.add(stackObject.getId());
+			}
+		}
+		return possibleTargets;
+	}
+
+	@Override
+	public TargetStackObject copy() {
+		return new TargetStackObject(this);
+	}
+
+}