From 143d934e8eb34850d74b448e4b70a69cbb45dde6 Mon Sep 17 00:00:00 2001
From: Elaine Tsun <Elaine Tsun>
Date: Wed, 19 Apr 2017 14:51:53 -0400
Subject: [PATCH] Added loner and safe features

---
 src/CheckersGameState3.java | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/CheckersGameState3.java b/src/CheckersGameState3.java
index f078075..5aca5ec 100644
--- a/src/CheckersGameState3.java
+++ b/src/CheckersGameState3.java
@@ -292,7 +292,21 @@ public class CheckersGameState3 implements CheckersGameState{
      //System.out.println("" + mypieces);
      return mypieces/total;
    }
-
+   
+   //features
+   public boolean isLoner(int pos){
+	   if(this.board[pos-5] == 0 && this.board[pos-4] ==0 && this.board[pos+4] ==0 && this.board[pos+5] ==0){
+		   return true;
+	   }
+	   return false;
+   }
+   public boolean isSafe(int pos){
+	   if(this.board[pos%9==4] || this.board[pos%9==3]){
+		   return true;
+	   }
+	   return false;
+   }
+   
    public boolean isTerminal(){
        double rat = pieceRatio(this.player);
        return (rat == 0 || rat == 1);