Modified the timer to work better

src/battle/controllers/Piers/GameTimer.java

@@ -5,13 +5,20 @@ package battle.controllers.Piers;
  */
 public class GameTimer {
 
-    long startTime;
-    long timeBudget;
+    private long startTime;
+    private long timeBudget;
+
+    private boolean timeSet = false;
 
     public GameTimer() {
         startTime = System.nanoTime();
     }
 
+    public GameTimer(long budget) {
+        this();
+        setTimeBudgetMilliseconds(budget);
+    }
+
     public long elapsed() {
         return System.nanoTime() - startTime;
     }
@@ -21,7 +28,9 @@ public class GameTimer {
     }
 
     public void setTimeBudgetMilliseconds(long budget) {
+        if(timeSet) throw new IllegalAccessError("You shouldn't try to set the time budget now");
         timeBudget = (long) (budget * 1.0E6);
+        timeSet = true;
     }
 
     public long remainingTimeMilliseconds() {

src/battle/controllers/Piers/PiersMCTS.java

@@ -9,11 +9,15 @@ import battle.SimpleBattle;
  */
 public class PiersMCTS implements BattleController {
 
+    public PiersMCTS() {
+        MCTSNode.setAllActions();
+    }
+
     @Override
     public Action getAction(SimpleBattle gameStateCopy, int playerId) {
         MCTSNode root = new MCTSNode(2.0, playerId);
         GameTimer timer = new GameTimer();
-        timer.setTimeBudgetMilliseconds(100);
+        timer.setTimeBudgetMilliseconds(40);
         while (timer.remainingTimePercent() > 10) {
             MCTSNode travel = root.select(gameStateCopy, 3);
             double[] results = travel.rollout(gameStateCopy);