From 15ff211f3ca06dba1f9d44cc3d1973c5c4a8e0e3 Mon Sep 17 00:00:00 2001
From: mcrawford620 <mcrawford620@cardforge.org>
Date: Thu, 19 Jul 2012 03:48:33 +0000
Subject: [PATCH] - AI for Fight

---
 res/cardsfolder/p/prey_upon.txt               |  1 -
 .../abilityfactory/AbilityFactoryAttach.java  |  1 -
 .../AbilityFactoryDealDamage.java             | 35 ++++++++++++++++++-
 .../java/forge/game/player/ComputerUtil.java  |  6 ++--
 4 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/res/cardsfolder/p/prey_upon.txt b/res/cardsfolder/p/prey_upon.txt
index e2b23b19a25..5f5803281b5 100644
--- a/res/cardsfolder/p/prey_upon.txt
+++ b/res/cardsfolder/p/prey_upon.txt
@@ -3,7 +3,6 @@ ManaCost:G
 Types:Sorcery
 Text:no text
 A:SP$ Fight | Cost$ G | ValidTgts$ Creature | TgtPrompt$ Select target creature | TargetsFromDifferentZone$ True | TargetMin$ 2 | TargetMax$ 2 | SpellDescription$ Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)
-SVar:RemAIDeck:True
 SVar:Rarity:Common
 SVar:Picture:http://www.wizards.com/global/images/magic/general/prey_upon.jpg
 SetInfo:M13|Common|http://magiccards.info/scans/en/m13/181.jpg
diff --git a/src/main/java/forge/card/abilityfactory/AbilityFactoryAttach.java b/src/main/java/forge/card/abilityfactory/AbilityFactoryAttach.java
index e0c31afd612..fc9f20b051a 100644
--- a/src/main/java/forge/card/abilityfactory/AbilityFactoryAttach.java
+++ b/src/main/java/forge/card/abilityfactory/AbilityFactoryAttach.java
@@ -632,7 +632,6 @@ public class AbilityFactoryAttach {
         prefList = prefList.filter(new CardListFilter() {
             @Override
             public boolean addCard(final Card c) {
-                System.out.println("Not Attaching");
                 return !c.getSVar("Targeting").equals("Dies");
             }
         });
diff --git a/src/main/java/forge/card/abilityfactory/AbilityFactoryDealDamage.java b/src/main/java/forge/card/abilityfactory/AbilityFactoryDealDamage.java
index f14b617cc1a..4cd18d14aa7 100644
--- a/src/main/java/forge/card/abilityfactory/AbilityFactoryDealDamage.java
+++ b/src/main/java/forge/card/abilityfactory/AbilityFactoryDealDamage.java
@@ -1842,9 +1842,42 @@ public class AbilityFactoryDealDamage {
     }
 
     private boolean fightCanPlayAI(final AbilityFactory af, final SpellAbility sa) {
+        Target tgt = sa.getTarget();
+        tgt.resetTargets();
 
-        //final Target tgt = sa.getTarget();
+        CardList aiCreatures = AllZoneUtil.getCreaturesInPlay(AllZone.getComputerPlayer());
+        aiCreatures = aiCreatures.filter(new CardListFilter() {
+            @Override
+            public boolean addCard(final Card c) {
+                return !c.getSVar("Targeting").equals("Dies");
+            }
+        });
 
+        CardList humCreatures = AllZoneUtil.getCreaturesInPlay(AllZone.getHumanPlayer());
+
+        final Random r = MyRandom.getRandom();
+        boolean rr = false;
+        if (r.nextFloat() <= Math.pow(.6667, sa.getActivationsThisTurn())) {
+            rr = true;
+        }
+
+        if (humCreatures.size() > 0 && aiCreatures.size() > 0) {
+            for (Card humanCreature : humCreatures) {
+                for (Card aiCreature : aiCreatures) {
+                    if (humanCreature.getNetDefense() <= aiCreature.getNetAttack()
+                            && humanCreature.getNetAttack() < aiCreature.getNetDefense()) {
+                        // todo: check min/max targets; see if we picked the best matchup
+                        tgt.addTarget(humanCreature);
+                        tgt.addTarget(aiCreature);
+                        return rr;
+                    } else if (humanCreature.getSVar("Targeting").equals("Dies")) {
+                        tgt.addTarget(humanCreature);
+                        tgt.addTarget(aiCreature);
+                        return rr;
+                    }
+                }
+            }
+        }
         return false;
     }
 
diff --git a/src/main/java/forge/game/player/ComputerUtil.java b/src/main/java/forge/game/player/ComputerUtil.java
index 6e755083e6b..f48cfa5cecd 100644
--- a/src/main/java/forge/game/player/ComputerUtil.java
+++ b/src/main/java/forge/game/player/ComputerUtil.java
@@ -579,7 +579,7 @@ public class ComputerUtil {
      *            (is for canPayCost, if true does not change the game state)
      * @param extraMana
      *            a int.
-     * @param checkPlayable 
+     * @param checkPlayable
      *            should we check if playable? use for hypothetical "can AI play this"
      * @return a boolean.
      * @since 1.0.15
@@ -759,7 +759,7 @@ public class ComputerUtil {
      * @param partPriority
      * @param costParts
      * @param foundAllSources
-     * @return Were all mana sources found? 
+     * @return Were all mana sources found?
      */
     private static Boolean findManaSources(final HashMap<String, ArrayList<AbilityMana>> manaAbilityMap,
             final ArrayList<ArrayList<AbilityMana>> partSources, final ArrayList<Integer> partPriority,
@@ -818,7 +818,7 @@ public class ComputerUtil {
                         srcFound.addAll(manaAbilityMap.get(costParts[nPart]));
                     }
                 }
-    
+
                 // add sources to array lists
                 partSources.add(nPart, srcFound);
                 // add to sorted priority list