From de1d214a165c91bd412ef2954bcdf38231ef4950 Mon Sep 17 00:00:00 2001
From: excessum <excessum@cardforge.org>
Date: Sat, 23 Aug 2014 12:18:26 +0000
Subject: [PATCH] - Basic fix for PumpAiBase.shouldPumpCard() to enable the AI
 to use abilities that grant "Lifelink"

---
 .../src/main/java/forge/ai/ability/PumpAiBase.java  | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/forge-ai/src/main/java/forge/ai/ability/PumpAiBase.java b/forge-ai/src/main/java/forge/ai/ability/PumpAiBase.java
index 18cbc5f7e77..aae1594c7a9 100644
--- a/forge-ai/src/main/java/forge/ai/ability/PumpAiBase.java
+++ b/forge-ai/src/main/java/forge/ai/ability/PumpAiBase.java
@@ -572,7 +572,16 @@ public abstract class PumpAiBase extends SpellAbilityAi {
                 chance += 1.0f * (pumpedDmg - dmg) / opp.getLife();
             }
             
-            //4. if the life of the computer is in danger, try to pump blockers blocking Tramplers
+            //4. lifelink
+            if (ai.canGainLife() && !c.hasKeyword("Lifelink") && keywords.contains("Lifelink")
+                    && (combat.isAttacking(c) || combat.isBlocking(c))) {
+                int dmg = pumped.getNetCombatDamage();
+                //The actual dmg inflicted should be the sum of ComputerUtilCombat.predictDamageTo() for opposing creature
+                //and trample damage (if any)
+                chance += 1.0f * dmg / ai.getLife();
+            }
+            
+            //5. if the life of the computer is in danger, try to pump blockers blocking Tramplers
             if (combat.isBlocking(c) && defense > 0 ) {
                 List<Card> blockedBy = combat.getAttackersBlockedBy(c);
                 boolean attackerHasTrample = false;
@@ -584,6 +593,8 @@ public abstract class PumpAiBase extends SpellAbilityAi {
                 }
             }
         }
+        //TODO:how to consider repeatable pump abilities? This probably requires the AI to keep track of future decisions and/or
+        //plan a sequence of decisions.
         return MyRandom.getRandom().nextFloat() < chance;
     }