From 65adaaf30847e3c53df24e5f6285f5ef0f38e433 Mon Sep 17 00:00:00 2001
From: Steven Soloff <steven.soloff@gmail.com>
Date: Thu, 26 Oct 2017 14:45:21 -0400
Subject: [PATCH] Revert #2080

Users have reported a 2x degradation in the performance of the Battle
Calculator since build 3635.  Approximately 75% of that degradation was
traced to #2080.
---
 .../triplea/delegate/MustFightBattle.java     | 20 -------------------
 1 file changed, 20 deletions(-)

diff --git a/src/main/java/games/strategy/triplea/delegate/MustFightBattle.java b/src/main/java/games/strategy/triplea/delegate/MustFightBattle.java
index 644f1cae30b..2c10e23dd4c 100644
--- a/src/main/java/games/strategy/triplea/delegate/MustFightBattle.java
+++ b/src/main/java/games/strategy/triplea/delegate/MustFightBattle.java
@@ -773,13 +773,6 @@ List<IExecutable> getBattleExecutables(final boolean firstRun) {
 
       @Override
       public void execute(final ExecutionStack stack, final IDelegateBridge bridge) {
-        if (getBattlePower(true, m_attackingUnits, bridge, new ArrayList<>()) > 0) {
-          final List<Unit> unitsToRemove = new ArrayList<>();
-          if (getBattlePower(false, m_defendingUnits, bridge, unitsToRemove) == 0) {
-            remove(new ArrayList<>(Matches.getMatches(unitsToRemove, Matches.unitIsInfrastructure().invert())),
-                bridge, m_battleSite, true);
-          }
-        }
         clearWaitingToDie(bridge);
       }
     });
@@ -2671,19 +2664,6 @@ public void unitsLostInPrecedingBattle(final IBattle battle, final Collection<Un
     }
   }
 
-  private int getBattlePower(final boolean attack, final List<Unit> units, final IDelegateBridge bridge,
-      final List<Unit> unitsToRemove) {
-    final Match<Unit> unitTypes = Matches.unitCanBeInBattle(attack, !m_battleSite.isWater(), 1, false, !attack, true);
-    final List<Unit> sortedUnits = new ArrayList<>(Matches.getMatches(units, unitTypes));
-    Collections.sort(sortedUnits, new UnitBattleComparator(!attack,
-        TuvUtils.getCostsForTuv(bridge.getPlayerId(), m_data),
-        TerritoryEffectHelper.getEffects(m_battleSite), m_data, false, false));
-    Collections.reverse(sortedUnits);
-    unitsToRemove.addAll(sortedUnits);
-    return DiceRoll.getTotalPower(DiceRoll.getUnitPowerAndRollsForNormalBattles(sortedUnits, units, !attack,
-        false, m_data, m_battleSite, TerritoryEffectHelper.getEffects(m_battleSite), false, null), m_data);
-  }
-
   /**
    * Returns a map of transport -> collection of transported units.
    */