Package mage.abilities.effects.common.discard

Source Code of mage.abilities.effects.common.discard.DiscardTargetEffect

/*
* 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:
*
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*       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
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package mage.abilities.effects.common.discard;

import mage.abilities.Ability;
import mage.abilities.Mode;
import mage.abilities.dynamicvalue.DynamicValue;
import mage.abilities.dynamicvalue.common.StaticValue;
import mage.abilities.effects.Effect;
import mage.abilities.effects.OneShotEffect;
import mage.cards.Card;
import mage.constants.Outcome;
import mage.game.Game;
import mage.players.Player;
import mage.target.targetpointer.FixedTarget;
import mage.util.CardUtil;

/**
*
* @author BetaSteward_at_googlemail.com
*/
public class DiscardTargetEffect extends OneShotEffect {

    protected DynamicValue amount;
    protected boolean randomDiscard;
    protected boolean setTargetPointer;

    public DiscardTargetEffect(DynamicValue amount) {
        this(amount, false);
    }

    public DiscardTargetEffect(DynamicValue amount, boolean randomDiscard) {
        super(Outcome.Discard);
        this.randomDiscard = randomDiscard;
        this.amount = amount;
    }

    public DiscardTargetEffect(int amount) {
        this(new StaticValue(amount));
    }

    public DiscardTargetEffect(int amount, boolean randomDiscard) {
        this(new StaticValue(amount), randomDiscard);
    }
   
    public DiscardTargetEffect(int amount, boolean randomDiscard, boolean setTargetPointer) {
        super(Outcome.Discard);
        this.randomDiscard = randomDiscard;
        this.amount = new StaticValue(amount);
        this.setTargetPointer = setTargetPointer;
    }

    public DiscardTargetEffect(final DiscardTargetEffect effect) {
        super(effect);
        this.amount = effect.amount.copy();
        this.randomDiscard = effect.randomDiscard;
        this.setTargetPointer = effect.setTargetPointer;
    }

    @Override
    public DiscardTargetEffect copy() {
        return new DiscardTargetEffect(this);
    }

    @Override
    public boolean apply(Game game, Ability source) {
        Player player = game.getPlayer(targetPointer.getFirst(game, source));
        if (player != null) {
            if (randomDiscard) {
                int maxAmount = Math.min(amount.calculate(game, source, this), player.getHand().size());
                for (int i = 0; i < maxAmount; i++) {
                    Card card = player.getHand().getRandom(game);
                    if (card != null) {
                        player.discard(card, source, game);
                        if (setTargetPointer) {
                            for (Effect effect : source.getEffects()) {
                                effect.setTargetPointer(new FixedTarget(card.getId()));
                            }
                        }
                    }
                }
            } else {
                player.discard(amount.calculate(game, source, this), source, game);
            }

            return true;
        }
        return false;
    }

    @Override
    public String getText(Mode mode) {
        if (staticText != null && !staticText.isEmpty()) {
            return staticText;
        }
        StringBuilder sb = new StringBuilder();
        if(mode.getTargets().isEmpty()){
            sb.append("that player");
        } else {
            sb.append("Target ").append(mode.getTargets().get(0).getTargetName());
        }
        sb.append(" discards ");
        if (amount.toString().equals("1")) {
            sb.append(" a card");
        } else {
            sb.append(CardUtil.numberToText(amount.toString())).append(" cards");
        }
        if (randomDiscard) {
            sb.append(" at random");
        }
        String message = amount.getMessage();
        if (message.length() > 0) {
            sb.append(" for each ");
        }
        sb.append(message);
        return sb.toString();
    }
}
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