Added Evoke ability.

Mage/src/mage/abilities/AbilityImpl.java

@@ -182,6 +182,12 @@ public abstract class AbilityImpl<T extends AbilityImpl<T>> implements Ability {
         // A player can't apply two alternative methods of casting or two alternative costs to a single spell.
         if (card != null) {
             for (Ability ability : card.getAbilities()) {
+                if (ability instanceof AlternativeSourceCosts) {
+                    if (((AlternativeSourceCosts)ability).askToActivateAlternativeCosts(this, game)) {
+                        // only one alternative costs may be activated
+                        break;
+                    }
+                }
                 if (ability instanceof OptionalAdditionalSourceCosts) {
                     ((OptionalAdditionalSourceCosts)ability).addOptionalAdditionalCosts(this, game);
                 }

Mage/src/mage/abilities/ActivatedAbilityImpl.java

@@ -34,7 +34,7 @@ import mage.Constants.AbilityType;
 import mage.Constants.TimingRule;
 import mage.Constants.Zone;
 import mage.MageObject;
-import mage.abilities.common.SpellCastTriggeredAbility;
+import mage.abilities.costs.AlternativeSourceCosts;
 import mage.abilities.costs.Cost;
 import mage.abilities.costs.Costs;
 import mage.abilities.costs.OptionalAdditionalSourceCosts;
@@ -276,6 +276,9 @@ public abstract class ActivatedAbilityImpl<T extends ActivatedAbilityImpl<T>> ex
             if (ability instanceof OptionalAdditionalSourceCosts) {
                 sb.append(((OptionalAdditionalSourceCosts) ability).getCastMessageSuffix());
             }
+            if (ability instanceof AlternativeSourceCosts) {
+                sb.append(((AlternativeSourceCosts) ability).getCastMessageSuffix());
+            }
         }
         return sb.toString();
     }

Mage/src/mage/abilities/condition/common/EvokedCondition.java

@@ -0,0 +1,70 @@
+/*
+* 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.condition.common;
+
+import mage.abilities.Ability;
+import mage.abilities.condition.Condition;
+import mage.abilities.keyword.EvokeAbility;
+import mage.cards.Card;
+import mage.game.Game;
+
+/**
+ *  Checks if a the spell was cast with the alternate evoke costs
+ *
+ * @author LevelX2
+ */
+
+public class EvokedCondition implements Condition {
+
+    private static EvokedCondition fInstance = null;
+
+    private EvokedCondition() {}
+
+    public static Condition getInstance() {
+        if (fInstance == null) {
+            fInstance = new EvokedCondition();
+        }
+        return fInstance;
+    }
+
+    @Override
+    public boolean apply(Game game, Ability source) {
+        Card card = game.getCard(source.getSourceId());
+        if (card != null) {
+            for (Ability ability: card.getAbilities()) {
+                if (ability instanceof EvokeAbility) {
+                    if(((EvokeAbility) ability).isActivated()) {
+                        return true;
+                    }
+                }
+            }
+        }
+        return false;
+    }
+}

Mage/src/mage/abilities/costs/AlternativeCost2.java

@@ -0,0 +1,86 @@
+/*
+ *  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;
+
+/**
+ *
+ * @author LevelX2
+ */
+
+
+public interface AlternativeCost2 extends Cost {
+    
+    String getName();
+
+    /**
+     * Returns the complete text for the alternate cost or if onlyCost is true
+     * only the pure text fore the included native cost
+     *
+     * @param onlyCost
+     * @return
+     */
+    String getText(boolean onlyCost);
+
+    /**
+     * Returns a reminder text, if the cost has one
+     *
+     * @return
+     */
+    String getReminderText();
+
+    /**
+     * Returns a text suffix for the game log, that can be added to
+     * the cast message.
+     *
+     * @param position - if there are multiple costs, it's the postion the cost is set (starting with 0)
+     * @return
+     */
+    String getCastSuffixMessage(int position);
+
+
+    /**
+     * If the player intends to pay the alternate cost, the cost will be activated
+     *
+     * @param activated
+     */
+    void activate();
+
+    /**
+     * Reset the activate 
+     *
+     */
+    void reset();
+
+    /**
+     * Returns if the cost was activated
+     *
+     * @return
+     */
+    boolean isActivated();
+
+}

Mage/src/mage/abilities/costs/AlternativeCost2Impl.java

@@ -0,0 +1,146 @@
+/*
+ *  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;
+
+/**
+ *
+ * @author Ludwig
+ */
+
+public class AlternativeCost2Impl <T extends AlternativeCost2Impl<T>> extends CostsImpl<Cost> implements AlternativeCost2 {
+
+    protected String name;
+    protected String reminderText;
+    protected String delimiter;
+
+    protected boolean activated;
+
+    public AlternativeCost2Impl(String name, String reminderText, Cost cost) {
+        this(name, " ", reminderText, cost);
+    }
+
+    public AlternativeCost2Impl(String name, String delimiter, String reminderText, Cost cost) {
+        this.activated = false;
+        this.name = name;
+        this.delimiter = delimiter;
+        this.reminderText = new StringBuilder("<i>").append(reminderText).append("</i>").toString();
+        this.add((Cost) cost);
+    }
+
+    public AlternativeCost2Impl(final AlternativeCost2Impl cost) {
+        super(cost);
+        this.name = cost.name;
+        this.reminderText = cost.reminderText;
+        this.activated = cost.activated;
+        this.delimiter = cost.delimiter;
+    }
+
+    @Override
+    public String getName() {
+        return this.name;
+    }
+    /**
+     * Returns the complete text for the addional cost or if onlyCost is true
+     * only the pure text fore the included native cost
+     *
+     * @param onlyCost
+     * @return
+     */
+    @Override
+    public String getText(boolean onlyCost) {
+        if (onlyCost) {
+            return getText();
+        } else {
+            return new StringBuffer(name).append(delimiter).append(getText()).toString();
+        }
+    }
+
+    /**
+     * Returns a reminder text, if the cost has one
+     *
+     * @return
+     */
+    @Override
+    public String getReminderText() {
+        String replace = "";
+        if (reminderText != null && !reminderText.isEmpty()) {
+            replace = reminderText.replace("{cost}", this.getText(true));
+        }
+        return replace;
+    }
+
+    /**
+     * Returns a text suffix for the game log, that can be added to
+     * the cast message.
+     *
+     * @param position - if there are multiple costs, it's the postion the cost is set (starting with 0)
+     * @return
+     */
+    @Override
+    public String getCastSuffixMessage(int position) {
+        StringBuilder sb = new StringBuilder(position > 0 ? " and ":"").append(" with ");
+        sb.append(name);
+        return  sb.toString();
+    }
+
+
+    /**
+     * If the player intends to pay the cost, the cost will be activated
+     *
+     * @param activated
+     */
+    @Override
+    public void activate() {
+        activated = true;
+    };
+
+    /**
+     * Reset the activate and count information
+     *
+     */
+    @Override
+    public void reset() {
+        activated = false;
+    }
+
+    /**
+     * Returns if the cost was activated
+     *
+     * @return
+     */
+    @Override
+    public boolean isActivated(){
+        return activated;
+    };
+
+    @Override
+    public AlternativeCost2Impl copy() {
+        return new AlternativeCost2Impl(this);
+    }
+}

Mage/src/mage/abilities/costs/AlternativeSourceCosts.java

@@ -0,0 +1,61 @@
+/*
+ *  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;
+
+import mage.abilities.Ability;
+import mage.game.Game;
+
+/**
+ * Interface for abilities that add alternative costs to the source.
+ *
+ * Example of such additional source costs: {@link mage.abilities.keyword.KickerAbility}
+ *
+ * @author LevelX2
+ */
+public interface AlternativeSourceCosts {
+
+    /**
+     * Ask the player if he wants to use the alternative costs
+     * 
+     * @param ability ability the alternative cost is activated for
+     * @param game
+     */
+    boolean askToActivateAlternativeCosts(Ability ability, Game game);
+
+    /**
+     * Was the alternative cost activated
+     * @return
+     */
+    boolean isActivated();
+    
+    /**
+     * Suffix string to use for game log
+     * @return 
+     */
+    String getCastMessageSuffix();
+}

Mage/src/mage/abilities/keyword/EvokeAbility.java

@@ -0,0 +1,166 @@
+/*
+* 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.keyword;
+
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.List;
+import mage.Constants;
+import mage.Constants.Zone;
+import mage.abilities.Ability;
+import mage.abilities.SpellAbility;
+import mage.abilities.StaticAbility;
+import mage.abilities.common.EntersBattlefieldTriggeredAbility;
+import mage.abilities.condition.common.EvokedCondition;
+import mage.abilities.costs.AlternativeCost2;
+import mage.abilities.costs.AlternativeCost2Impl;
+import mage.abilities.costs.AlternativeSourceCosts;
+import mage.abilities.costs.Cost;
+import mage.abilities.costs.Costs;
+import mage.abilities.costs.mana.ManaCostsImpl;
+import mage.abilities.decorator.ConditionalTriggeredAbility;
+import mage.abilities.effects.common.SacrificeSourceEffect;
+import mage.cards.Card;
+import mage.game.Game;
+import mage.players.Player;
+
+/**
+ *
+ * @author LevelX2
+ */
+
+public class EvokeAbility extends StaticAbility<EvokeAbility> implements AlternativeSourceCosts {
+
+    protected static final String EVOKE_KEYWORD = "Evoke";
+    protected static final String REMINDER_TEXT = "(You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters the battlefield.)";
+
+    protected List<AlternativeCost2> evokeCosts = new LinkedList<AlternativeCost2>();
+
+    public EvokeAbility(Card card, String manaString) {
+        super(Zone.ALL, null);
+        name = EVOKE_KEYWORD;
+        this.addEvokeCost(manaString);
+        Ability ability = new ConditionalTriggeredAbility(new EntersBattlefieldTriggeredAbility(new SacrificeSourceEffect()), EvokedCondition.getInstance(), "Sacrifice {this} when it enters the battlefield and was evoked.");
+        ability.setRuleVisible(false);
+        ability.setRuleVisible(false);
+        card.addAbility(ability);
+
+    }
+
+    public EvokeAbility(final EvokeAbility ability) {
+       super(ability);
+    }
+
+    @Override
+    public EvokeAbility copy() {
+       return new EvokeAbility(this);
+    }
+    
+    public final AlternativeCost2 addEvokeCost(String manaString) {
+       AlternativeCost2 evokeCost = new AlternativeCost2Impl(EVOKE_KEYWORD, REMINDER_TEXT, new ManaCostsImpl(manaString));
+       evokeCosts.add(evokeCost);
+       return evokeCost;
+    }
+
+    public void resetEvoke() {
+        for (AlternativeCost2 cost: evokeCosts) {
+            cost.reset();
+        }
+    }
+    @Override
+    public boolean isActivated() {
+        for (AlternativeCost2 cost: evokeCosts) {
+            if(cost.isActivated()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    @Override
+    public boolean askToActivateAlternativeCosts(Ability ability, Game game) {
+        if (ability instanceof SpellAbility) {
+            Player player = game.getPlayer(controllerId);
+            if (player != null) {
+                this.resetEvoke();
+                for (AlternativeCost2 evokeCost: evokeCosts) {
+                    if (evokeCost.canPay(sourceId, controllerId, game) &&
+                        player.chooseUse(Constants.Outcome.Benefit, new StringBuilder(EVOKE_KEYWORD).append(" the creature for ").append(evokeCost.getText(true)).append(" ?").toString(), game)) {
+                        evokeCost.activate();
+                        ability.getManaCostsToPay().clear();
+                        ability.getCosts().clear();
+                        for (Iterator it = ((Costs) evokeCost).iterator(); it.hasNext();) {
+                            Cost cost = (Cost) it.next();
+                            if (cost instanceof ManaCostsImpl) {
+                                ability.getManaCostsToPay().add((ManaCostsImpl) cost.copy());
+                            } else {
+                                ability.getCosts().add(cost.copy());
+                            }
+                        }
+                    }
+                }
+            }
+        }
+        return isActivated();
+    }
+
+    @Override
+    public String getRule() {
+       StringBuilder sb = new StringBuilder();
+       int numberCosts = 0;
+       String remarkText = "";
+       for (AlternativeCost2 evokeCost: evokeCosts) {
+           if (numberCosts == 0) {
+               sb.append(evokeCost.getText(false));
+               remarkText = evokeCost.getReminderText();
+           } else {
+               sb.append(" and/or ").append(evokeCost.getText(true));
+           }
+           ++numberCosts;
+       }
+       if (numberCosts == 1) {
+            sb.append(" ").append(remarkText);
+       }
+
+       return sb.toString();
+    }
+
+    @Override
+    public String getCastMessageSuffix() {
+        StringBuilder sb = new StringBuilder();
+        int position = 0;
+        for (AlternativeCost2 cost : evokeCosts) {
+            if (cost.isActivated()) {
+                sb.append(cost.getCastSuffixMessage(position));
+                ++position;
+            }
+        }
+        return sb.toString();
+    }
+}

Utils/keywords.txt

@@ -2,6 +2,7 @@ Annihilator|number|
 Bloodthirst|number|
 Bushido|number|
 Dredge|number|
+Evoke|card, manaString|
 Soulshift|number|
 Basic landcycling|cost|
 Forestcycling|cost|