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@ -5,6 +5,7 @@ import de.tims.tictactoe.GameLogic; |
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public class AIHard implements TicTacToeAI { |
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private static final char AI_CHAR = 'o'; |
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private static final char EMPTY_CHAR = '-'; |
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private static final char PLAYER_CHAR = 'x'; |
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private static final int BOARD_SIZE = 3; |
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private GameLogic gl; |
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@ -18,16 +19,22 @@ public class AIHard implements TicTacToeAI { |
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@Override |
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public void calculateNextMove() { |
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boolean emptyBoard = true; |
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int charsOfOpponent = 0; |
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char[][] board = gl.getBoard(); |
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for (char[] row : board) { |
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for (char field : row) { |
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emptyBoard &= field == EMPTY_CHAR; |
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for (int i = 0; i < BOARD_SIZE; i++) { |
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charsOfOpponent = countCharsInRow(i, PLAYER_CHAR); |
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if (charsOfOpponent == BOARD_SIZE - 1) { |
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for (int j = 0; j < BOARD_SIZE; j++) { |
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if (board[i][j] == EMPTY_CHAR) { |
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gl.setField(i, j, AI_CHAR); |
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return; |
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} |
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} |
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} |
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} |
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if (emptyBoard || board[1][1] == EMPTY_CHAR) { |
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if (board[1][1] == EMPTY_CHAR) { |
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gl.setField(1, 1, AI_CHAR); |
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} else { |
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boolean emptyEdgeFound = false; |
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