- The AI will now anticipate regeneration abilities.

- Improved the AI of curse pump etb abilities.
- Improved the AI of untap triggers.

.gitattributes

@@ -791,7 +791,7 @@ res/cardsfolder/blinking_spirit.txt -text svneol=native#text/plain
 res/cardsfolder/blinkmoth_infusion.txt -text svneol=native#text/plain
 res/cardsfolder/blinkmoth_nexus.txt -text svneol=native#text/plain
 res/cardsfolder/blinkmoth_well.txt -text svneol=native#text/plain
-res/cardsfolder/blister_beetle.txt svneol=native#text/plain
+res/cardsfolder/blister_beetle.txt -text svneol=native#text/plain
 res/cardsfolder/blistergrub.txt -text svneol=native#text/plain
 res/cardsfolder/blistering_barrier.txt -text svneol=native#text/plain
 res/cardsfolder/blistering_dieflyn.txt -text svneol=native#text/plain

res/cardsfolder/blister_beetle.txt

@@ -4,7 +4,7 @@ Types:Creature Insect
 Text:no text
 PT:1/1
 T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigPump | TriggerDescription$ When CARDNAME enters the battlefield, target creature gets -1/-1 until end of turn.
-SVar:TrigPump:AB$Pump | Cost$ 0 | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumAtt$ -1 | NumDef$ -1 | IsCurse$ True
+SVar:TrigPump:DB$Pump | ValidTgts$ Creature | TgtPrompt$ Select target creature | NumAtt$ -1 | NumDef$ -1 | IsCurse$ True
 SVar:PlayMain1:TRUE
 SVar:Rarity:Common
 SVar:Picture:http://www.wizards.com/global/images/magic/general/blister_beetle.jpg

res/cardsfolder/bringer_of_the_black_dawn.txt

@@ -7,6 +7,7 @@ K:Trample
 SVar:AltCost:W U B R G
 T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ You | TriggerZones$ Battlefield | OptionalDecider$ You | Execute$ TrigChange | TriggerDescription$ At the beginning of your upkeep, you may pay 2 life. If you do, search your library for a card, then shuffle your library and put that card on top of it.
 SVar:TrigChange:AB$ChangeZone | Cost$ PayLife<2> | Origin$ Library | Destination$ Library | LibraryPosition$ 0 | ChangeType$ Card | ChangeNum$ 1
+SVar:RemAIDeck:True
 SVar:Rarity:Rare
 SVar:Picture:http://www.wizards.com/global/images/magic/general/bringer_of_the_black_dawn.jpg
 SetInfo:5DN|Rare|http://magiccards.info/scans/en/5dn/43.jpg

res/cardsfolder/keening_banshee.txt

@@ -4,7 +4,7 @@ Types:Creature Spirit
 Text:no text
 PT:2/2
 T:Mode$ ChangesZone | Origin$ Any | Destination$ Battlefield | ValidCard$ Card.Self | Execute$ TrigPumpCurse | TriggerDescription$ When CARDNAME enters the battlefield, target creature gets -2/-2 until end of turn.
-SVar:TrigPumpCurse:AB$Pump | Cost$ 0 | ValidTgts$ Creature | TgtPrompt$ Select target creature | IsCurse$ True | NumAtt$ -2 | NumDef$ -2
+SVar:TrigPumpCurse:DB$Pump| ValidTgts$ Creature | TgtPrompt$ Select target creature | IsCurse$ True | NumAtt$ -2 | NumDef$ -2
 K:Flying
 SVar:PlayMain1:TRUE
 SVar:Rarity:Uncommon

res/cardsfolder/lignify.txt

@@ -4,7 +4,7 @@ Types:Tribal Enchantment Treefolk Aura
 Text:no text
 K:Enchant Creature Curse
 K:stAnimateEnchanted:Creature:0/4/Overwrite:Creature,Treefolk,Overwrite:no colors:Overwrite:No condition:Enchanted creature is a 0/4 Treefolk with no abilities.
-SVar:RemRandomDeck:True
+SVar:RemAIDeck:True
 SVar:Rarity:Common
 SVar:Picture:http://www.wizards.com/global/images/magic/general/lignify.jpg
 SetInfo:LRW|Common|http://magiccards.info/scans/en/lw/228.jpg

src/forge/CombatUtil.java

@@ -2,6 +2,8 @@
 package forge;
 
 
+import static forge.error.ErrorViewer.showError;
+
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.regex.Matcher;
@@ -12,6 +14,7 @@ import com.esotericsoftware.minlog.Log;
 import forge.card.abilityFactory.AbilityFactory;
 import forge.card.cardFactory.CardFactoryUtil;
 import forge.card.spellability.Ability;
+import forge.card.spellability.SpellAbility;
 import forge.card.trigger.Trigger;
 import forge.gui.GuiUtils;
 import forge.gui.input.Input_PayManaCost_Ability;
@@ -778,7 +781,7 @@ public class CombatUtil {
     // This calculates the amount of damage a blocker in a blockgang can take from the attacker (for trampling attackers)
     public static int shieldDamage(Card attacker, Card defender) {
     	
-    	if (!canDestroyBlocker(defender,attacker, null)) return 100;
+    	if (!canDestroyBlocker(defender,attacker, null, false)) return 100;
     
     	int flankingMagnitude = 0;
     	if(attacker.getKeyword().contains("Flanking") && !defender.getKeyword().contains("Flanking")) {
@@ -813,7 +816,7 @@ public class CombatUtil {
     	CardList blockers = AllZone.Combat.getBlockers(attacker);
     	
     	for (Card defender:blockers) {
-    			if(CombatUtil.canDestroyAttacker(attacker, defender, AllZone.Combat) && 
+    			if(CombatUtil.canDestroyAttacker(attacker, defender, AllZone.Combat, true) && 
     					!(defender.getKeyword().contains("Wither") || defender.getKeyword().contains("Infect")))
     				return true;
     	}
@@ -1061,8 +1064,30 @@ public class CombatUtil {
     	return toughness;
     }
     
+    public static boolean canRegenerate(Card card) {
+    	Player controller = card.getController();
+    	CardList l = AllZoneUtil.getCardsInPlay();
+    	for(Card c:l)
+            for(SpellAbility sa:c.getSpellAbility())
+            	// if SA is from AF_Counter don't add to getPlayable
+                //This try/catch should fix the "computer is thinking" bug
+                try {
+                    if(sa.canPlay() && ComputerUtil.canPayCost(sa,controller) && sa.getAbilityFactory() != null && sa.isAbility()){
+                    	AbilityFactory af = sa.getAbilityFactory();
+                    	HashMap <String,String> mapParams = af.getMapParams();
+                		if (mapParams.get("AB").equals("Regenerate"))
+                			if (AbilityFactory.getDefinedCards(sa.getSourceCard(), mapParams.get("Defined"), sa).contains(card))
+                				return true;
+                    }
+                } catch(Exception ex) {
+                    showError(ex, "There is an error in the card code for %s:%n", c.getName(), ex.getMessage());
+                }
+    	
+    	return false;
+    }
+    
     //can the blocker destroy the attacker?
-    public static boolean canDestroyAttacker(Card attacker, Card defender, Combat combat) {
+    public static boolean canDestroyAttacker(Card attacker, Card defender, Combat combat, boolean noRegen) {
         
         if(attacker.getName().equals("Sylvan Basilisk") && !defender.getKeyword().contains("Indestructible")) return false;
         
@@ -1077,12 +1102,9 @@ public class CombatUtil {
             
         }//flanking
         
-        if(attacker.getKeyword().contains("Indestructible") && 
+        if((attacker.getKeyword().contains("Indestructible") || (canRegenerate(attacker) && !noRegen)) && 
         		!(defender.getKeyword().contains("Wither") || defender.getKeyword().contains("Infect"))) return false;
         
-        //unused
-        //int attBushidoMagnitude = attacker.getKeywordMagnitude("Bushido");
-        
         int defenderDamage = defender.getNetAttack() + predictPowerBonusOfBlocker(attacker, defender);
         int attackerDamage = attacker.getNetAttack() + predictPowerBonusOfAttacker(attacker, defender, combat);
         if (AllZoneUtil.isCardInPlay("Doran, the Siege Tower")) {
@@ -1133,14 +1155,14 @@ public class CombatUtil {
     public static boolean blockerWouldBeDestroyed(Card blocker) {
     	Card attacker = AllZone.Combat.getAttackerBlockedBy(blocker);
     	
-    	if(canDestroyBlocker(blocker, attacker, AllZone.Combat) && 
+    	if(canDestroyBlocker(blocker, attacker, AllZone.Combat, true) && 
     					!(attacker.getKeyword().contains("Wither") || attacker.getKeyword().contains("Infect")))
     			return true;
     	return false;
     }
     
     //can the attacker destroy this blocker?
-    public static boolean canDestroyBlocker(Card defender, Card attacker, Combat combat) {
+    public static boolean canDestroyBlocker(Card defender, Card attacker, Combat combat, boolean noRegen) {
     	
         int flankingMagnitude = 0;
         if(attacker.getKeyword().contains("Flanking") && !defender.getKeyword().contains("Flanking")) {
@@ -1151,7 +1173,7 @@ public class CombatUtil {
             if((flankingMagnitude >= defender.getKillDamage()) && !defender.getKeyword().contains("Indestructible")) return true;    
         }//flanking
         
-        if(defender.getKeyword().contains("Indestructible") && 
+        if((defender.getKeyword().contains("Indestructible") || (canRegenerate(defender) && !noRegen)) && 
         		!(attacker.getKeyword().contains("Wither") || attacker.getKeyword().contains("Infect"))) return false;
         
         if(attacker.getName().equals("Sylvan Basilisk") && !defender.getKeyword().contains("Indestructible")) return true;

src/forge/ComputerUtil.java

@@ -357,6 +357,60 @@ public class ComputerUtil
 	  return false;
   }//canPayCost()
   
+  static public boolean canPayCost(SpellAbility sa, Player player)
+  {
+	  Card card = sa.getSourceCard();
+
+	  CardList land = getAvailableMana(player);
+
+	  if(card.isLand() && sa.getPayCosts().getTap())
+	  {
+		  land.remove(card);
+	  }
+	  // Beached - Delete old
+	  String mana = sa.getPayCosts() != null ? sa.getPayCosts().getTotalMana() : sa.getManaCost();
+
+	  ManaCost cost = new ManaCost(mana);
+
+	  // Tack xMana Payments into mana here if X is a set value
+	  if (sa.getPayCosts() != null && cost.getXcounter() > 0){
+		  String xSvar = card.getSVar("X").equals("Count$xPaid") ? "PayX" : "X"; 
+		  // For Count$xPaid set PayX in the AFs then use that here
+		  // Else calculate it as appropriate.
+		  if (!card.getSVar(xSvar).equals("")){
+			  int manaToAdd = AbilityFactory.calculateAmount(card, xSvar, sa) * cost.getXcounter();
+			  cost.increaseColorlessMana(manaToAdd);
+		  }
+	  }
+
+	  cost = AllZone.GameAction.getSpellCostChange(sa, cost);
+	  if(cost.isPaid())
+		  return canPayAdditionalCosts(sa, player);
+	  // Beached - Delete old
+	  ArrayList<String> colors;
+
+	  for(int i = 0; i < land.size(); i++)
+	  {
+		  colors = getColors(land.get(i));
+		  int once = 0;
+
+		  for(int j =0; j < colors.size(); j++)
+		  {
+			  if(cost.isNeeded(colors.get(j)) && once == 0)
+			  {
+				  cost.payMana(colors.get(j));
+				  once++;
+			  }
+
+			  if(cost.isPaid()) {
+				  return canPayAdditionalCosts(sa, player);
+			  }
+		  }
+	  }
+	  return false;
+  }//canPayCost()
+  
+  
   static public int determineLeftoverMana(SpellAbility sa){
 	  // This function should mostly be called to determine how much mana AI has leftover to pay X costs
 	  // This function is basically getAvailableMana.size() - sa.getConvertedManaCost()
@@ -570,6 +624,174 @@ public class ComputerUtil
 		return true;
   }
   
+  static public boolean canPayAdditionalCosts(SpellAbility sa, Player player)
+  {
+	  	// Add additional cost checks here before attempting to activate abilities
+		Cost cost = sa.getPayCosts();
+		if (cost == null)
+			return true;
+	  	Card card = sa.getSourceCard();
+
+    	if (cost.getTap() && (card.isTapped() || card.isSick()))
+    		return false;
+    	
+    	if (cost.getUntap() && (card.isUntapped() || card.isSick()))
+    		return false;
+    	
+		if (cost.getTapXTypeCost())
+		{
+			CardList typeList = AllZoneUtil.getPlayerCardsInPlay(player);
+			typeList = typeList.getValidCards(cost.getTapXType().split(","),sa.getActivatingPlayer() ,sa.getSourceCard());
+			
+			if (cost.getTap())
+				typeList.remove(sa.getSourceCard());
+			typeList = typeList.filter(AllZoneUtil.untapped);
+			
+			if (cost.getTapXTypeAmount() > typeList.size())
+				return false;
+		}
+    	
+		if (cost.getSubCounter()){
+			Counters c = cost.getCounterType();
+			if (card.getCounters(c) - cost.getCounterNum() < 0 || !AllZoneUtil.isCardInPlay(card)){
+				return false;
+			}
+		}
+		
+		if (cost.getAddCounter()){
+			// this should always be true
+		}
+		
+		if (cost.getLifeCost()){
+			if (player.getLife() <= cost.getLifeAmount())
+				return false;
+		}
+	  
+		if (cost.getDiscardCost()){
+    		CardList handList = AllZoneUtil.getPlayerHand(player);
+    		String discType = cost.getDiscardType();
+    		int discAmount = cost.getDiscardAmount();
+    		
+    		if (cost.getDiscardThis()){
+    			if (!AllZone.getZone(card).getZoneName().equals(Constant.Zone.Hand))
+    				return false;
+    		}
+    		else if( discType.equals("LastDrawn")) {
+    			//compy can't yet use this effectively
+    			return false;
+    		}
+    		else if (discType.equals("Hand")){
+    			// this will always work
+    		}
+    		else{
+    			if (!discType.equals("Any") && !discType.equals("Random")){
+    				String validType[] = discType.split(",");
+    				handList = handList.getValidCards(validType, sa.getActivatingPlayer(), sa.getSourceCard());
+    			}
+	    		if (discAmount > handList.size()){
+	    			// not enough cards in hand to pay
+	    			return false;
+	    		}
+    		}
+		}
+		
+		if (cost.getSacCost()){
+			  // if there's a sacrifice in the cost, just because we can Pay it doesn't mean we want to. 
+			if (!cost.getSacThis()){
+			    CardList typeList = AllZoneUtil.getPlayerCardsInPlay(player);
+			    typeList = typeList.getValidCards(cost.getSacType().split(","), sa.getActivatingPlayer(), sa.getSourceCard());
+			    Card target = sa.getTargetCard();
+				if (target != null && target.getController().isPlayer(player)) // don't sacrifice the card we're pumping
+					  typeList.remove(target);
+				
+				if (cost.getSacAmount() > typeList.size())
+					return false;
+			}
+			else if (cost.getSacThis() && !AllZoneUtil.isCardInPlay(card))
+				return false;
+		}
+		
+		if (cost.getExileCost()){
+			  // if there's an exile in the cost, just because we can Pay it doesn't mean we want to. 
+			if (!cost.getExileThis()){
+			    CardList typeList = AllZoneUtil.getPlayerCardsInPlay(player);
+			    typeList = typeList.getValidCards(cost.getExileType().split(","), sa.getActivatingPlayer(), sa.getSourceCard());
+			    Card target = sa.getTargetCard();
+				if (target != null && target.getController().isPlayer(player)) // don't exile the card we're pumping
+					  typeList.remove(target);
+				
+				if (cost.getExileAmount() > typeList.size())
+					return false;
+			}
+			else if (cost.getExileThis() && !AllZoneUtil.isCardInPlay(card))
+				return false;
+		}
+		
+		if (cost.getExileFromHandCost()){
+			  // if there's an exile in the cost, just because we can Pay it doesn't mean we want to. 
+			if (!cost.getExileFromHandThis()){
+			    CardList typeList = AllZoneUtil.getPlayerHand(player);
+			    typeList = typeList.getValidCards(cost.getExileFromHandType().split(","), sa.getActivatingPlayer(), sa.getSourceCard());
+			    Card target = sa.getTargetCard();
+				if (target != null && target.getController().isPlayer(player)) // don't exile the card we're pumping
+					  typeList.remove(target);
+				
+				if (cost.getExileFromHandAmount() > typeList.size())
+					return false;
+			}
+			else if (cost.getExileFromHandThis() && !AllZoneUtil.isCardInPlayerHand(player, card))
+				return false;
+		}
+		
+		if (cost.getExileFromGraveCost()){
+			if (!cost.getExileFromGraveThis()){
+			    CardList typeList = AllZoneUtil.getPlayerGraveyard(player);
+			    typeList = typeList.getValidCards(cost.getExileFromGraveType().split(","), sa.getActivatingPlayer(), sa.getSourceCard());
+			    Card target = sa.getTargetCard();
+				if (target != null && target.getController().isPlayer(player)) // don't exile the card we're pumping
+					  typeList.remove(target);
+				
+				if (cost.getExileFromGraveAmount() > typeList.size())
+					return false;
+			}
+			else if (cost.getExileFromGraveThis() && !AllZoneUtil.isCardInPlayerGraveyard(player, card))
+				return false;
+		}
+		
+		if(cost.getExileFromTopCost()){
+			if(!cost.getExileFromTopThis()){
+			    CardList typeList = AllZoneUtil.getPlayerCardsInLibrary(player);
+			    typeList = typeList.getValidCards(cost.getExileFromTopType().split(","), sa.getActivatingPlayer(), sa.getSourceCard());
+			    Card target = sa.getTargetCard();
+				if (target != null && target.getController().isPlayer(player)) // don't exile the card we're pumping
+					  typeList.remove(target);
+				
+				if (cost.getExileFromTopAmount() > typeList.size())
+					return false;
+			}
+			else if (cost.getExileFromTopThis() && !AllZoneUtil.isCardInPlayerLibrary(player, card))
+				return false;
+		}
+		
+		if (cost.getReturnCost()){
+			  // if there's a return in the cost, just because we can Pay it doesn't mean we want to. 
+			if (!cost.getReturnThis()){
+			    CardList typeList = AllZoneUtil.getPlayerCardsInPlay(player);
+			    typeList = typeList.getValidCards(cost.getReturnType().split(","), sa.getActivatingPlayer(), sa.getSourceCard());
+			    Card target = sa.getTargetCard();
+				if (target != null && target.getController().isPlayer(player)) // don't bounce the card we're pumping
+					  typeList.remove(target);
+				
+				if (cost.getReturnAmount() > typeList.size())
+					return false;
+			}
+			else if (!AllZoneUtil.isCardInPlay(card))
+				return false;
+		}
+		
+		return true;
+  }
+  
   static public boolean canPayCost(String cost)
   {
     if(cost.equals(("0")))
@@ -749,6 +971,41 @@ public class ComputerUtil
 
   }//getAvailableMana()
   
+  static public CardList getAvailableMana(final Player player)
+  {
+	  CardList list = AllZoneUtil.getPlayerCardsInPlay(player);
+	  CardList mana = list.filter(new CardListFilter()
+	  {
+		  public boolean addCard(Card c)
+		  {
+			  for (Ability_Mana am : c.getAIPlayableMana()) {
+				  am.setActivatingPlayer(player);
+				  if (am.canPlay()) return true;
+			  }
+
+			  return false;
+		  }
+	  });//CardListFilter
+
+	  CardList sortedMana = new CardList();
+
+	  for (int i=0; i<mana.size();i++)
+	  {
+		  Card card = mana.get(i);
+		  if (card.isBasicLand()){
+			  sortedMana.add(card);
+			  mana.remove(card);
+		  }
+	  }
+	  for (int j=0; j<mana.size();j++)
+	  {
+		  sortedMana.add(mana.get(j));
+	  }
+
+	  return sortedMana;
+  }//getAvailableMana()
+  
+
   //plays a land if one is available
   static public boolean chooseLandsToPlay()
   {

src/forge/ComputerUtil_Attack2.java

@@ -515,7 +515,7 @@ public class ComputerUtil_Attack2 {
 		for (Card defender:defenders) {
 			if(CombatUtil.canBlock(attacker, defender)){ //, combat )) {
 				canBeBlocked = true;
-				if(CombatUtil.canDestroyAttacker(attacker, defender, combat)) {
+				if(CombatUtil.canDestroyAttacker(attacker, defender, combat, false)) {
 					canBeKilledByOne = true;  // there is a single creature on the battlefield that can kill the creature
 					// see if the defending creature is of higher or lower value. We don't want to attack only to lose value
 					if(CardFactoryUtil.evaluateCreature(defender) <= CardFactoryUtil.evaluateCreature(attacker)){
@@ -523,7 +523,7 @@ public class ComputerUtil_Attack2 {
 					} 
 				}
 				// see if this attacking creature can destroy this defender, if not record that it can't kill everything
-				if(!CombatUtil.canDestroyBlocker(defender, attacker, combat)){
+				if(!CombatUtil.canDestroyBlocker(defender, attacker, combat, false)){
 					canKillAll = false;
 					if(defender.getKeyword().contains("Wither") || defender.getKeyword().contains("Infect")){
 						canKillAllDangerous = false; // there is a dangerous creature that can survive an attack from this creature

src/forge/ComputerUtil_Block2.java

@@ -32,7 +32,7 @@ public class ComputerUtil_Block2
 	  CardList blockers = new CardList();
 	   
 	  for(Card b : blockersLeft) {
-		  if(!CombatUtil.canDestroyBlocker(b,attacker, combat)) blockers.add(b);
+		  if(!CombatUtil.canDestroyBlocker(b,attacker, combat, false)) blockers.add(b);
 	  }
 	  
 	  return blockers;   
@@ -43,7 +43,7 @@ public class ComputerUtil_Block2
 	  CardList blockers = new CardList();
 	   
 	  for(Card b : blockersLeft) {
-		   if(CombatUtil.canDestroyAttacker(attacker,b,combat)) blockers.add(b);
+		   if(CombatUtil.canDestroyAttacker(attacker, b, combat, false)) blockers.add(b);
 	  }
 	   
 	  return blockers;   

src/forge/RunTest.java

@@ -300,7 +300,7 @@ public class RunTest
 	    Card card = cf.getCard("Sylvan Basilisk", null);
 	    Card card2 = cf.getCard("Exalted Angel", null);
 	    
-	    check("121a", !CombatUtil.canDestroyAttacker(card, card2, null));
+	    check("121a", !CombatUtil.canDestroyAttacker(card, card2, null, false));
 	}
 	{
 	    check("122", CardUtil.getConvertedManaCost("0") == 0);

src/forge/card/abilityFactory/AbilityFactory_PermanentState.java

@@ -180,6 +180,7 @@ public class AbilityFactory_PermanentState {
 	}
 	
 	public static boolean untapTrigger(AbilityFactory af, SpellAbility sa, boolean mandatory){
+		HashMap<String,String> params = af.getMapParams();
 		if (!ComputerUtil.canPayCost(sa))
 			return false;
 		
@@ -190,6 +191,9 @@ public class AbilityFactory_PermanentState {
 				return true;
 			
 			// TODO: use Defined to determine, if this is an unfavorable result
+			ArrayList<Card> pDefined = AbilityFactory.getDefinedCards(sa.getSourceCard(), params.get("Defined"), sa);
+			if (pDefined != null && pDefined.get(0).isUntapped())
+				return false;
 			
 			return true;
 		}

src/forge/card/abilityFactory/AbilityFactory_Pump.java

@@ -390,7 +390,7 @@ public class AbilityFactory_Pump {
         
         if (AllZone.Stack.size() == 0){
         	// If the cost is tapping, don't activate before declare attack/block
-        	if (sa.getPayCosts().getTap()){
+        	if (sa.getPayCosts() != null && sa.getPayCosts().getTap()){
 	        	if (AllZone.Phase.isBefore(Constant.Phase.Combat_Declare_Attackers) && AllZone.Phase.isPlayerTurn(AllZone.ComputerPlayer))
 	        		list.remove(sa.getSourceCard());
 	        	if (AllZone.Phase.isBefore(Constant.Phase.Combat_Declare_Blockers) && AllZone.Phase.isPlayerTurn(AllZone.HumanPlayer))
@@ -541,8 +541,6 @@ public class AbilityFactory_Pump {
     	if (sa.getTarget() == null){
     		if (mandatory)
     			return true;
-    		
-    		
     	}
     	else{
     		return doTgtAI(sa, defense, attack, mandatory);