From fa8ce856f10760e8a85518be7b75202bc0abd570 Mon Sep 17 00:00:00 2001
From: MaurizioBruetsch <32775189+MaurizioBruetsch@users.noreply.github.com>
Date: Sun, 22 Oct 2017 18:17:49 +0200
Subject: [PATCH] AI enhancement

---
 src/player/maurizio/MaurizioAI.java | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/src/player/maurizio/MaurizioAI.java b/src/player/maurizio/MaurizioAI.java
index 29c4e3f..52a58da 100644
--- a/src/player/maurizio/MaurizioAI.java
+++ b/src/player/maurizio/MaurizioAI.java
@@ -66,13 +66,13 @@ public class MaurizioAI implements Player {
             return moves1.peek();
         }
 
+        //copy moves that do not loose
         LinkedList<Integer> moves2 = new LinkedList<Integer>();
         for(int i : moves1){
             moves2.add(i);
         }
 
-        //find the best of the non losing move
-        //look for two move wins
+        //look for two move wins among the non-loosing moves
         LinkedList<Integer> removes = new LinkedList<Integer>();
         for(int i : moves2){
             int[][] boardNew = makeMove(board, i, id);
@@ -83,6 +83,7 @@ public class MaurizioAI implements Player {
                     int[][] boardNewNew = makeMove(boardNew, j, enemyID);
                     for(int k=0;k<Game.GAME_COLUMNS;k++){
                         if(boardNewNew[k][0] == 0 && checkWin(boardNewNew, k, id)){
+                            // if opponent plays move j than we have a winning move
                             winner2 = true;
                             break;
                         }
@@ -93,6 +94,8 @@ public class MaurizioAI implements Player {
                     break;
                 }
             }
+            // winner1 == false means that the opponent had a reply after which we couldn't
+            // directly win
             if(!winner1){
                 removes.add(i);
             }
@@ -149,7 +152,7 @@ public class MaurizioAI implements Player {
         while (pos < (board[0].length - 1) && board[choice][pos + 1] == 0) {
             pos++;
         }
-        // Change the board accordingl
+        // Change the board accordingly
         int[][] boardNew = copyBoard(board);
         boardNew[choice][pos] = id;
         return boardNew;
@@ -169,7 +172,7 @@ public class MaurizioAI implements Player {
         return ((x>=0 && x < Game.GAME_COLUMNS) && (y>=0 && y < Game.GAME_ROWS));
     }
     /**
-    * checks whether the last Move closed any lines on the board
+    * checks whether the last move closed any lines on the board
     */
     private boolean checkWin(int[][] board, int col, int iD){
         // find row of last move -- assuming the move was legal