foul-magics/Mage.Sets/src/mage/sets/magic2010/Fireball.java

/*
 *  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
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 *  authors and should not be interpreted as representing official policies, either expressed
 *  or implied, of BetaSteward_at_googlemail.com.
 */

package mage.sets.magic2010;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.UUID;
import mage.constants.CardType;
import mage.constants.Outcome;
import mage.constants.Rarity;
import mage.abilities.Ability;
import mage.abilities.costs.mana.GenericManaCost;
import mage.abilities.effects.OneShotEffect;
import mage.cards.CardImpl;
import mage.game.Game;
import mage.game.permanent.Permanent;
import mage.players.Player;
import mage.target.common.TargetCreatureOrPlayer;

/**
 *
 * @author BetaSteward_at_googlemail.com
 */
public class Fireball extends CardImpl<Fireball> {

    public Fireball(UUID ownerId) {
        super(ownerId, 136, "Fireball", Rarity.UNCOMMON, new CardType[]{CardType.SORCERY}, "{X}{R}");
        this.expansionSetCode = "M10";
        this.color.setRed(true);
        this.getSpellAbility().addTarget(new FireballTargetCreatureOrPlayer(0, Integer.MAX_VALUE));
        this.getSpellAbility().addEffect(new FireballEffect());
    }

    @Override
    public void adjustCosts(Ability ability, Game game) {
        int numTargets = ability.getTargets().get(0).getTargets().size();
        if (numTargets > 1) {
            ability.getManaCostsToPay().add(new GenericManaCost(numTargets - 1));
        }
    }

    public Fireball(final Fireball card) {
        super(card);
    }

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

class FireballEffect extends OneShotEffect<FireballEffect> {

    public FireballEffect() {
        super(Outcome.Damage);
        staticText = "{this} deals X damage divided evenly, rounded down, among any number of target creatures and/or players.\n {this} costs {1} more to cast for each target beyond the first";
    }

    public FireballEffect(final FireballEffect effect) {
        super(effect);
    }

    @Override
    public boolean apply(Game game, Ability source) {
        int numTargets = targetPointer.getTargets(game, source).size();
        int damage = source.getManaCostsToPay().getX();
        if (numTargets > 0) {
            int damagePer = damage/numTargets;
            if (damagePer > 0) {
                for (UUID targetId: targetPointer.getTargets(game, source)) {
                    Permanent permanent = game.getPermanent(targetId);
                    if (permanent != null) {
                        permanent.damage(damagePer, source.getSourceId(), game, true, false);
                    }
                    else {
                        Player player = game.getPlayer(targetId);
                        if (player != null) {
                            player.damage(damagePer, source.getSourceId(), game, false, true);
                        }
                    }
                }
                return true;
            }
        }
        return false;
    }

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

}

class FireballTargetCreatureOrPlayer extends TargetCreatureOrPlayer {

    public FireballTargetCreatureOrPlayer(int minNumTargets, int maxNumTargets) {
        super(minNumTargets, maxNumTargets);
    }

    public FireballTargetCreatureOrPlayer(final FireballTargetCreatureOrPlayer target) {
        super(target);
    }


    /**
     * This is only used by AI players
     *
     * @param source
     * @param game
     * @return
     */
    @Override
    public List<TargetCreatureOrPlayer> getTargetOptions(Ability source, Game game) {
        
        List<TargetCreatureOrPlayer> options = new ArrayList<TargetCreatureOrPlayer>();
        int xVal = source.getManaCostsToPay().getX();        

        if (xVal < 1) {
            return options;
        }

        for (int numberTargets = 1;  numberTargets == 1 || xVal / (numberTargets - 1) > 1  ; numberTargets++) {
            Set<UUID> possibleTargets = possibleTargets(source.getSourceId(), source.getControllerId(), game);
            // less possible targets than we're trying to set
            if (possibleTargets.size() < numberTargets) {
                return options;
            }
            // less than 1 damage per target = 0, add no such options
            if ((xVal -(numberTargets -1))/numberTargets < 1) {
                continue;
            }
            
            possibleTargets.removeAll(getTargets());
            Iterator<UUID> it = possibleTargets.iterator();
            while (it.hasNext()) {
                UUID targetId = it.next();
                TargetCreatureOrPlayer target = this.copy();
                target.clearChosen();
                target.addTarget(targetId, source, game, true);

                if (target.getTargets().size() == numberTargets) {
                    chosen = true;
                }

                if (!target.isChosen()) {
                    Iterator<UUID> it2 = possibleTargets.iterator();
                    while (it2.hasNext()&& !target.isChosen()) {
                        UUID nextTargetId = it2.next();
                        target.addTarget(nextTargetId, source, game, true);

                        if (target.getTargets().size() == numberTargets) {
                            chosen = true;
                        }

                    }
                }
                if (target.isChosen()) {
                    options.add(target);
                }
            }
        }
        return options;
    }

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