Restructured Mage module

Mage/src/main/java/mage/abilities/costs/common/DiscardTargetCost.java

@@ -0,0 +1,113 @@
+/*
+ *  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.abilities.costs.common;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.UUID;
+import mage.abilities.Ability;
+import mage.abilities.costs.CostImpl;
+import mage.cards.Card;
+import mage.constants.Outcome;
+import mage.game.Game;
+import mage.players.Player;
+import mage.target.common.TargetCardInHand;
+
+/**
+ *
+ * @author BetaSteward_at_googlemail.com
+ */
+public class DiscardTargetCost extends CostImpl {
+
+    List<Card> cards = new ArrayList<>();
+    protected boolean randomDiscard;
+
+    public DiscardTargetCost(TargetCardInHand target) {
+        this(target, false);
+    }
+
+    public DiscardTargetCost(TargetCardInHand target, boolean randomDiscard) {
+        this.addTarget(target);
+        this.randomDiscard = randomDiscard;
+        this.text = "discard " + target.getTargetName();
+    }
+
+    public DiscardTargetCost(DiscardTargetCost cost) {
+        super(cost);
+        this.cards.addAll(cost.cards);
+        this.randomDiscard = cost.randomDiscard;
+    }
+
+    @Override
+    public boolean pay(Ability ability, Game game, UUID sourceId, UUID controllerId, boolean noMana) {
+        this.cards.clear();
+        this.targets.clearChosen();;
+        Player player = game.getPlayer(controllerId);
+        if (player == null) {
+            return false;
+        }
+        int amount = this.getTargets().get(0).getNumberOfTargets();
+        if (randomDiscard) {
+            this.cards.addAll(player.discard(amount, true, ability, game).getCards(game));
+        } else {
+            if (targets.choose(Outcome.Discard, controllerId, sourceId, game)) {
+                for (UUID targetId : targets.get(0).getTargets()) {
+                    Card card = player.getHand().get(targetId, game);
+                    if (card == null) {
+                        return false;
+                    }
+                    player.discard(card, ability, game);
+                    this.cards.add(card);
+                }
+            }
+        }
+        paid = cards.size() >= amount;
+        return paid;
+    }
+
+    @Override
+    public void clearPaid() {
+        super.clearPaid();
+        this.cards.clear();
+        this.targets.clearChosen();
+    }
+
+    @Override
+    public boolean canPay(Ability ability, UUID sourceId, UUID controllerId, Game game) {
+        return targets.canChoose(sourceId, controllerId, game);
+    }
+
+    @Override
+    public DiscardTargetCost copy() {
+        return new DiscardTargetCost(this);
+    }
+
+    public List<Card> getCards() {
+        return cards;
+    }
+}