- Implemented <SubType> Offering ability from BOK.

- Added Patron of the Akki, Patron of the Kitsune, Patron of the Moon and Patron of the Orochi

.gitattributes

@@ -7827,6 +7827,10 @@ res/cardsfolder/p/patriarchs_desire.txt -text svneol=unset#text/plain
 res/cardsfolder/p/patricians_scorn.txt -text svneol=unset#text/plain
 res/cardsfolder/p/patrol_hound.txt -text
 res/cardsfolder/p/patrol_signaler.txt svneol=native#text/plain
+res/cardsfolder/p/patron_of_the_akki.txt -text
+res/cardsfolder/p/patron_of_the_kitsune.txt -text
+res/cardsfolder/p/patron_of_the_moon.txt -text
+res/cardsfolder/p/patron_of_the_orochi.txt -text
 res/cardsfolder/p/patron_of_the_wild.txt svneol=native#text/plain
 res/cardsfolder/p/patron_wizard.txt svneol=native#text/plain
 res/cardsfolder/p/pattern_of_rebirth.txt svneol=native#text/plain

res/cardsfolder/p/patron_of_the_akki.txt

@@ -0,0 +1,11 @@
+Name:Patron of the Akki
+ManaCost:4 R R
+Types:Legendary Creature Spirit
+PT:5/5
+K:Goblin offering
+T:Mode$ Attacks | ValidCard$ Card.Self | TriggerZones$ Battlefield | Execute$ TrigPump | TriggerDescription$ Whenever CARDNAME attacks, creatures you control get +2/+0 until end of turn.
+SVar:TrigPump:AB$ PumpAll | Cost$ 0 | ValidCards$ Creature.YouCtrl | NumAtt$ 2
+SVar:RemAIDeck:True
+SVar:Picture:http://www.wizards.com/global/images/magic/general/patron_of_the_akki.jpg
+Oracle:Goblin offering (You may cast this card any time you could cast an instant by sacrificing a Goblin and paying the difference in mana costs between this and the sacrificed Goblin. Mana cost includes color.)\nWhenever Patron of the Akki attacks, creatures you control get +2/+0 until end of turn.
+SetInfo:BOK Rare

res/cardsfolder/p/patron_of_the_kitsune.txt

@@ -0,0 +1,11 @@
+Name:Patron of the Kitsune
+ManaCost:4 W W
+Types:Legendary Creature Spirit
+PT:5/6
+K:Fox offering
+T:Mode$ Attacks | ValidCard$ Creature | TriggerZones$ Battlefield | Execute$ PatronLife | OptionalDecider$ You | TriggerDescription$ Whenever a creature attacks, you gain 1 life.
+SVar:PatronLife:AB$ GainLife | Cost$ 0 | LifeAmount$ 1
+SVar:RemAIDeck:True
+SVar:Picture:http://www.wizards.com/global/images/magic/general/patron_of_the_kitsune.jpg
+Oracle:Fox offering (You may cast this card any time you could cast an instant by sacrificing a Fox and paying the difference in mana costs between this and the sacrificed Fox. Mana cost includes color.)\nWhenever a creature attacks, you may gain 1 life.
+SetInfo:BOK Rare

res/cardsfolder/p/patron_of_the_moon.txt

@@ -0,0 +1,11 @@
+Name:Patron of the Moon
+ManaCost:5 U U
+Types:Legendary Creature Spirit
+PT:5/4
+K:Moonfolk offering
+K:Flying
+A:AB$ ChangeZone | Cost$ 1 | ChangeNum$ 2 | Origin$ Hand | Destination$ Battlefield | Tapped$ True | ChangeType$ Land.YouCtrl | SpellDescription$ Put up to two land cards from your hand onto the battlefield tapped.
+SVar:RemAIDeck:True
+SVar:Picture:http://www.wizards.com/global/images/magic/general/patron_of_the_moon.jpg
+Oracle:Moonfolk offering (You may cast this card any time you could cast an instant by sacrificing a Moonfolk and paying the difference in mana costs between this and the sacrificed Moonfolk. Mana cost includes color.)\nFlying\n{1}: Put up to two land cards from your hand onto the battlefield tapped.
+SetInfo:BOK Rare

res/cardsfolder/p/patron_of_the_orochi.txt

@@ -0,0 +1,10 @@
+Name:Patron of the Orochi
+ManaCost:6 G G
+Types:Legendary Creature Spirit
+PT:7/7
+K:Snake offering
+A:AB$ UntapAll | Cost$ T | ValidCards$ Forest,Creature.Green | ActivationLimit$ 1 | SpellDescription$ Untap all Forests and all green creatures. Activate this ability only once each turn.
+SVar:RemAIDeck:True
+SVar:Picture:http://www.wizards.com/global/images/magic/general/patron_of_the_orochi.jpg
+Oracle:Snake offering (You may cast this card any time you could cast an instant by sacrificing a Snake and paying the difference in mana costs between this and the sacrificed Snake. Mana cost includes color.)\n{T}: Untap all Forests and all green creatures. Activate this ability only once each turn.
+SetInfo:BOK Rare

src/main/java/forge/Card.java

@@ -2149,6 +2149,17 @@ public class Card extends GameEntity implements Comparable<Card> {
                     sb.append("\r\n");
                 }
                 sb.append("Convoke (Each creature you tap while casting this spell reduces its cost by 1 or by one mana of that creature's color.)");
+            } else if (keyword.endsWith(" offering")) {
+                String offeringType = keyword.split(" ")[0];
+                if (sb.length() != 0) {
+                    sb.append("\r\n");
+                }
+                sbLong.append(keywords.get(i));
+                sbLong.append(" (You may cast this card any time you could cast an instant by sacrificing a ");
+                sbLong.append(offeringType);
+                sbLong.append("and paying the difference in mana costs between this and the sacrificed ");
+                sbLong.append(offeringType);
+                sbLong.append(". Mana cost includes color.)");
             } else if (keyword.startsWith("Soulbond")) {
                 sbLong.append(keywords.get(i));
                 sbLong.append(" (You may pair this creature ");
@@ -2429,6 +2440,17 @@ public class Card extends GameEntity implements Comparable<Card> {
                     sb.delete(sb.lastIndexOf("\r\n"), sb.lastIndexOf("\r\n") + 3);
                 }
                 sb.append("Convoke (Each creature you tap while casting this spell reduces its cost by 1 or by one mana of that creature's color.)\r\n");
+            } else if (keyword.endsWith(" offering")) {
+                if (sb.toString().endsWith("\r\n\r\n")) {
+                    sb.delete(sb.lastIndexOf("\r\n"), sb.lastIndexOf("\r\n") + 3);
+                }
+                String offeringType = keyword.split(" ")[0];
+                sb.append(keyword);
+                sb.append(" (You may cast this card any time you could cast an instant by sacrificing a ");
+                sb.append(offeringType);
+                sb.append("and paying the difference in mana costs between this and the sacrificed ");
+                sb.append(offeringType);
+                sb.append(". Mana cost includes color.)");
             } else if (keyword.equals("Remove CARDNAME from your deck before playing if you're not playing for ante.")) {
                 if (sb.toString().endsWith("\r\n\r\n")) {
                     sb.delete(sb.lastIndexOf("\r\n"), sb.lastIndexOf("\r\n") + 3);

src/main/java/forge/card/ability/effects/SacrificeEffect.java

@@ -61,7 +61,7 @@ public class SacrificeEffect extends SpellAbilityEffect {
                     choosenToSacrifice = Aggregates.random(validTargets, Math.min(amount, validTargets.size()));
                 } else {
                     boolean isOptional = sa.hasParam("Optional");
-                    choosenToSacrifice = p.getController().choosePermanentsToSacrifice(validTargets, valid, amount, sa, destroy, isOptional);
+                    choosenToSacrifice = p.getController().choosePermanentsToSacrifice(validTargets, valid, amount, sa, destroy, isOptional, false);
                 }
                 
                 for(Card sac : choosenToSacrifice) {

src/main/java/forge/card/cost/CostPartMana.java

@@ -129,6 +129,10 @@ public class CostPartMana extends CostPart {
 
         InputPayMana inpPayment;
         toPay.applySpellCostChange(ability);
+        if (ability.isOffering() && ability.getSacrificedAsOffering() == null) {
+            System.out.println("Sacrifice input for Offering cancelled");
+            return false;
+        }
         if (!toPay.isPaid()) {
             inpPayment = new InputPayManaOfCostPayment(toPay, ability);
             Singletons.getControl().getInputQueue().setInputAndWait(inpPayment);
@@ -143,13 +147,30 @@ public class CostPartMana extends CostPart {
                 source.setXManaCostPaid(0);
                 inpPayment = new InputPayManaX(ability, this.getAmountOfX(), this.canXbe0());
                 Singletons.getControl().getInputQueue().setInputAndWait(inpPayment);
-                if(!inpPayment.isPaid())
+                if (!inpPayment.isPaid()) {
                     return false;
+                }
             } else {
                 int x = AbilityUtils.calculateAmount(source, "X", ability);
                 source.setXManaCostPaid(x);
             }
         }
+
+        // Handle convoke and offerings if InputPayManaOfCostPayment was skipped because cost was reduced to 0
+        if (ability.isOffering() && ability.getSacrificedAsOffering() != null) {
+            System.out.println("Finishing up Offering");
+            final Card offering = ability.getSacrificedAsOffering();
+            offering.setUsedToPay(false);
+            game.getAction().sacrifice(offering, ability);
+            ability.resetSacrificedAsOffering();
+        }
+        if (ability.getTappedForConvoke() != null) {
+            for (final Card c : ability.getTappedForConvoke()) {
+                c.setTapped(false);
+                c.tap();
+            }
+            ability.clearTappedForConvoke();
+        }
         return true;
 
     }

src/main/java/forge/card/mana/ManaCostBeingPaid.java

@@ -398,6 +398,19 @@ public class ManaCostBeingPaid {
         increaseColorlessMana(extra.getGenericCost());
     }
 
+    public final void determineManaCostDifference(final ManaCost subThisManaCost) {
+        for (ManaCostShard shard : subThisManaCost.getShards()) {
+            if (shard == ManaCostShard.X) {
+                cntX--;
+            } else if (unpaidShards.containsKey(shard)) {
+                decreaseShard(shard, 1);
+            } else {
+                decreaseColorlessMana(1);
+            }
+        }
+        decreaseColorlessMana(subThisManaCost.getGenericCost());
+    }
+
     /**
      * To string.
      * 
@@ -554,6 +567,9 @@ public class ManaCostBeingPaid {
         for (final StaticAbility stAb : reduceAbilities) {
             stAb.applyAbility("ReduceCost", spell, this);
         }
+        if (spell.isSpell() && spell.isOffering()) { // cost reduction from offerings
+            adjustCostByOffering(sa, spell);
+        }
 
         // Set cost (only used by Trinisphere) is applied last
         for (final StaticAbility stAb : setAbilities) {
@@ -636,6 +652,33 @@ public class ManaCostBeingPaid {
         return usableColors;
     }
 
+    private void adjustCostByOffering(final SpellAbility sa, final SpellAbility spell) {
+        String offeringType = "";
+        for (String kw : sa.getSourceCard().getKeyword()) {
+            if (kw.endsWith(" offering")) {
+                offeringType = kw.split(" ")[0];
+                break;
+            }
+        }
+
+        Card toSac = null;
+        List<Card> canOffer = CardLists.filter(spell.getActivatingPlayer().getCardsIn(ZoneType.Battlefield),
+                CardPredicates.isType(offeringType));
+
+        final List<Card> toSacList = sa.getSourceCard().getController().getController().choosePermanentsToSacrifice(canOffer,
+                offeringType, 1, spell, false, false, true);
+        if (!toSacList.isEmpty()) {
+            toSac = toSacList.get(0);
+        } else {
+            return;
+        }
+
+        determineManaCostDifference(toSac.getManaCost());
+
+        sa.setSacrificedAsOffering(toSac);
+        toSac.setUsedToPay(true); //stop it from interfering with mana input
+    }
+
     public String getSourceRestriction() {
         return sourceRestriction;
     }

src/main/java/forge/card/spellability/SpellAbility.java

@@ -76,6 +76,7 @@ public abstract class SpellAbility implements ISpellAbility {
     private boolean replicate = false;
     private boolean cycling = false;
     private boolean delve = false;
+    private boolean offering = false;
 
     private Card targetCard;
     /** The chosen target. */
@@ -100,6 +101,7 @@ public abstract class SpellAbility implements ISpellAbility {
     private HashMap<String, Object> replacingObjects = new HashMap<String, Object>();
 
     private List<Card> tappedForConvoke = new ArrayList<Card>();
+    private Card sacrificedAsOffering = null;
 
     private HashMap<String, String> sVars = new HashMap<String, String>();
 
@@ -1309,6 +1311,47 @@ public abstract class SpellAbility implements ISpellAbility {
         }
     }
 
+    /**
+     * Returns whether the SA is a patron offering.
+     */
+    public boolean isOffering() {
+        return this.offering;
+    }
+
+    /**
+     * Sets the SA as a patron offering.
+     * 
+     * @param c      card sacrificed for a patron offering
+     */
+    public void setIsOffering(final boolean bOffering) {
+        this.offering = bOffering;
+    }
+
+    /**
+     * Sets the card sacrificed for a patron offering.
+     * 
+     * @param c      card sacrificed for a patron offering
+     */
+    public void setSacrificedAsOffering(final Card c) {
+        this.sacrificedAsOffering = c;
+    }
+
+    /**
+     * Gets the card sacrificed for a patron offering.
+     * 
+     * @return the card sacrificed for a patron offering
+     */
+    public Card getSacrificedAsOffering() {
+        return this.sacrificedAsOffering;
+    }
+
+    /**
+     * Clear the card sacrificed for a patron offering.
+     */
+    public void resetSacrificedAsOffering() {
+        this.sacrificedAsOffering = null;
+    }
+
     /**
      * @return the splicedCards
      */

src/main/java/forge/card/spellability/SpellAbilityRestriction.java

@@ -292,7 +292,7 @@ public class SpellAbilityRestriction extends SpellAbilityVariables {
      * @return a boolean.
      */
     public final boolean canPlay(final Card c, final SpellAbility sa) {
-        if (c.isPhasedOut()) {
+        if (c.isPhasedOut() || c.isUsedToPay()) {
             return false;
         }
 

src/main/java/forge/game/GameActionUtil.java

@@ -792,6 +792,26 @@ public final class GameActionUtil {
                 newSA.setDescription(sa.getDescription() + " (by paying " + actualcost.toSimpleString() + " instead of its mana cost)");
                 alternatives.add(newSA);
             }
+            if (sa.isSpell() && keyword.endsWith(" offering")) {
+                final String offeringType = keyword.split(" ")[0];
+                List<Card> canOffer = CardLists.filter(sa.getSourceCard().getController().getCardsIn(ZoneType.Battlefield),
+                        CardPredicates.isType(offeringType));
+                if (source.getController().hasKeyword("You can't sacrifice creatures to cast spells or activate abilities.")) {
+                    canOffer = CardLists.getNotType(canOffer, "Creature");
+                }
+                if (!canOffer.isEmpty()) {
+                    final SpellAbility newSA = sa.copy();
+                    SpellAbilityRestriction sar = new SpellAbilityRestriction();
+                    sar.setVariables(sa.getRestrictions());
+                    sar.setInstantSpeed(true);
+                    newSA.setRestrictions(sar);
+                    newSA.setBasicSpell(false);
+                    newSA.setIsOffering(true);
+                    newSA.setPayCosts(sa.getPayCosts());
+                    newSA.setDescription(sa.getDescription() + " (" + offeringType + " offering)");
+                    alternatives.add(newSA);
+                }
+            }
             if (sa.hasParam("Equip") && sa instanceof AbilityActivated && keyword.equals("EquipInstantSpeed")) {
                 final SpellAbility newSA = ((AbilityActivated) sa).getCopy();
                 SpellAbilityRestriction sar = new SpellAbilityRestriction();

src/main/java/forge/game/ai/ComputerUtilMana.java

@@ -194,6 +194,16 @@ public class ComputerUtilMana {
 
         manapool.clearManaPaid(sa, test);
 
+        // handle Offerings for AI
+        if (sa.isOffering() && sa.getSacrificedAsOffering() != null) {
+            final Card offering = sa.getSacrificedAsOffering();
+            offering.setUsedToPay(false);
+            if (cost.isPaid() && !test) {
+                sa.getSourceCard().getController().getGame().getAction().sacrifice(offering, sa);
+            }
+            sa.resetSacrificedAsOffering();
+        }
+
         if( DEBUG_MANA_PAYMENT )
             System.err.printf("%s > [%s] payment has %s (%s +%d) for (%s) %s:%n\t%s%n%n", FThreads.debugGetCurrThreadId(), test ? "test" : "PROD", cost.isPaid() ? "*PAID*" : "failed", originalCost, extraMana, sa.getSourceCard(), sa.toUnsuppressedString(), StringUtils.join(paymentPlan, "\n\t") );
         

src/main/java/forge/game/phase/CombatUtil.java

@@ -1048,7 +1048,7 @@ public class CombatUtil {
                         final Player opponent = game.getCombat().getDefendingPlayerRelatedTo(c).get(0);
                         //List<Card> list = AbilityUtils.filterListByType(opponent.getCardsIn(ZoneType.Battlefield), "Permanent", this);
                         final List<Card> list = opponent.getCardsIn(ZoneType.Battlefield);
-                        List<Card> toSac = opponent.getController().choosePermanentsToSacrifice(list, "Card", a, this, false, false);
+                        List<Card> toSac = opponent.getController().choosePermanentsToSacrifice(list, "Card", a, this, false, false, false);
 
                         for(Card sacd : toSac) {
                             game.getAction().sacrifice(sacd, this);

src/main/java/forge/game/phase/Upkeep.java

@@ -455,7 +455,7 @@ public class Upkeep extends Phase {
                             lowest.add(c);
                         }
 
-                        List<Card> toSac = player.getController().choosePermanentsToSacrifice(lowest, "Select creature with power: " + power + " to destroy.", 1, this, true, false);
+                        List<Card> toSac = player.getController().choosePermanentsToSacrifice(lowest, "Select creature with power: " + power + " to destroy.", 1, this, true, false, false);
                         game.getAction().destroyNoRegeneration(toSac.get(0), this);
                     }
                 } // resolve

src/main/java/forge/game/player/PlayerController.java

@@ -90,7 +90,7 @@ public abstract class PlayerController {
     public abstract Map<Card, Integer> assignCombatDamage(Card attacker, List<Card> blockers, int damageDealt, GameEntity defender);
 
     public abstract Integer announceRequirements(SpellAbility ability, String announce, boolean allowZero);
-    public abstract List<Card> choosePermanentsToSacrifice(List<Card> validTargets, String validMessage, int amount, SpellAbility sa, boolean destroy, boolean isOptional);
+    public abstract List<Card> choosePermanentsToSacrifice(List<Card> validTargets, String validMessage, int amount, SpellAbility sa, boolean destroy, boolean isOptional, boolean canCancel);
     public abstract Target chooseTargets(SpellAbility ability);
 
     public Card chooseSingleCardForEffect(List<Card> sourceList, SpellAbility sa, String title) { return chooseSingleCardForEffect(sourceList, sa, title, false); }

src/main/java/forge/game/player/PlayerControllerAi.java

@@ -118,7 +118,7 @@ public class PlayerControllerAi extends PlayerController {
     }
 
     @Override
-    public List<Card> choosePermanentsToSacrifice(List<Card> validTargets, String validMessage, int amount, SpellAbility sa, boolean destroy, boolean isOptional) {
+    public List<Card> choosePermanentsToSacrifice(List<Card> validTargets, String validMessage, int amount, SpellAbility sa, boolean destroy, boolean isOptional, boolean canCancel) {
         return ComputerUtil.choosePermanentsToSacrifice(player, validTargets, amount, sa, destroy, isOptional);
     }
 

src/main/java/forge/game/player/PlayerControllerHuman.java

@@ -210,7 +210,7 @@ public class PlayerControllerHuman extends PlayerController {
      * @see forge.game.player.PlayerController#choosePermanentsToSacrifice(java.util.List, int, forge.card.spellability.SpellAbility, boolean, boolean)
      */
     @Override
-    public List<Card> choosePermanentsToSacrifice(List<Card> validTargets, String validMessage, int amount, SpellAbility sa, boolean destroy, boolean isOptional) {
+    public List<Card> choosePermanentsToSacrifice(List<Card> validTargets, String validMessage, int amount, SpellAbility sa, boolean destroy, boolean isOptional, boolean canCancel) {
         int max = Math.min(amount, validTargets.size());
         if (max <= 0)
             return new ArrayList<Card>();
@@ -223,10 +223,12 @@ public class PlayerControllerHuman extends PlayerController {
         InputSelectCards inp = new InputSelectCardsFromList(min, max, validTargets);
         // TODO: Either compose a message here, or pass it as parameter from caller. 
         inp.setMessage("Select %d " + validMessage + "(s) to sacrifice");
+        inp.setCancelAllowed(canCancel);
         
         Singletons.getControl().getInputQueue().setInputAndWait(inp);
-        if( inp.hasCancelled() )
+        if (inp.hasCancelled()) {
             return new ArrayList<Card>();
+        }
         else return inp.getSelected(); 
     }
 

src/main/java/forge/gui/input/InputPayMana.java

@@ -239,7 +239,7 @@ public abstract class InputPayMana extends InputSyncronizedBase {
             player.getZone(ZoneType.Battlefield).updateObservers();
     }
     
-    protected boolean isAlredyPaid() {
+    protected boolean isAlreadyPaid() {
         if (manaCost.isPaid()) {
             bPaid = true;
         }
@@ -256,7 +256,7 @@ public abstract class InputPayMana extends InputSyncronizedBase {
     }
     
     protected void onStateChanged() { 
-        if( isAlredyPaid() ) {
+        if( isAlreadyPaid() ) {
             done();
             stop();
         } else 
@@ -283,5 +283,16 @@ public abstract class InputPayMana extends InputSyncronizedBase {
         }
     }
 
+    protected void handleOfferings(boolean isCancelled) {
+        final Card offering = saPaidFor.getSacrificedAsOffering();
+        if (offering != null) {
+            offering.setUsedToPay(false);
+            if (!isCancelled) {
+                game.getAction().sacrifice(offering, saPaidFor);
+            }
+        }
+        saPaidFor.resetSacrificedAsOffering();
+    }
+
     public boolean isPaid() { return bPaid; }
 }

src/main/java/forge/gui/input/InputPayManaOfCostPayment.java

@@ -39,11 +39,19 @@ public class InputPayManaOfCostPayment extends InputPayMana {
         // any mana tapabilities can't be used in payment as well as being tapped for convoke)
 
         handleConvokedCards(false);
+
+        if (saPaidFor.isOffering()) {
+            handleOfferings(false);
+        }
     }
 
     @Override
     protected void onCancel() {
         handleConvokedCards(true);
+
+        if (saPaidFor.isOffering()) {
+            handleOfferings(true);
+        }
         stop();
     }
 

src/main/java/forge/gui/input/InputPayManaSimple.java

@@ -92,12 +92,18 @@ public class InputPayManaSimple extends InputPayMana {
 
             handleConvokedCards(false);
         }
+        if (!this.saPaidFor.isOffering()) {
+            handleOfferings(false);
+        }
     }
 
     /** {@inheritDoc} */
     @Override
     protected final void onCancel() {
         handleConvokedCards(true);
+        if (!this.saPaidFor.isOffering()) {
+            handleOfferings(true);
+        }
 
         player.getManaPool().refundManaPaid(this.saPaidFor, true);
         player.getZone(ZoneType.Battlefield).updateObservers(); // DO