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@ -19,13 +19,17 @@ public class AIHard implements TicTacToeAI { |
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@Override |
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public void calculateNextMove() { |
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char[][] board = gl.getBoard(); |
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int row; |
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int col; |
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int charsInRow = 0; |
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int charsInCol = 0; |
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int charsInDiag = 0; |
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char[][] board = gl.getBoard(); |
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char actualChar; |
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for (int i = 0; i < 2; i++) { |
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char actualChar = (i == 0) ? AI_CHAR : PLAYER_CHAR; |
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actualChar = (i == 0) ? AI_CHAR : PLAYER_CHAR; |
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for (int j = 0; j < BOARD_SIZE; j++) { |
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charsInRow = countCharsInRow(j, actualChar); |
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@ -35,8 +39,11 @@ public class AIHard implements TicTacToeAI { |
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charsInDiag = countCharsInDiag(j, actualChar); |
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if (charsInDiag == BOARD_SIZE - 1) { |
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for (int k = 0; k < BOARD_SIZE; k++) { |
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if (board[k][(j == 0) ? k : BOARD_SIZE - 1 - k] == EMPTY_CHAR) { |
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gl.setField(k, (j == 0) ? k : BOARD_SIZE - 1 -k, AI_CHAR); |
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row = k; |
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col = (j == 0) ? k : BOARD_SIZE - 1 - k; |
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if (board[row][col] == EMPTY_CHAR) { |
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gl.setField(row, col, AI_CHAR); |
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return; |
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} |
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} |
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@ -45,8 +52,11 @@ public class AIHard implements TicTacToeAI { |
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if (charsInRow == BOARD_SIZE - 1 || charsInCol == BOARD_SIZE - 1) { |
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for (int k = 0; k < BOARD_SIZE; k++) { |
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if (board[(charsInRow == BOARD_SIZE - 1) ? j : k][(charsInRow == BOARD_SIZE - 1) ? k : j] == EMPTY_CHAR) { |
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gl.setField((charsInRow == BOARD_SIZE - 1) ? j : k, (charsInRow == BOARD_SIZE - 1) ? k : j, AI_CHAR); |
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row = (charsInRow == BOARD_SIZE - 1) ? j : k; |
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col = (charsInRow == BOARD_SIZE - 1) ? k : j; |
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if (board[row][col] == EMPTY_CHAR) { |
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gl.setField(row, col, AI_CHAR); |
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return; |
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} |
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} |
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@ -56,26 +66,37 @@ public class AIHard implements TicTacToeAI { |
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if (board[BOARD_SIZE / 2][BOARD_SIZE / 2] == EMPTY_CHAR) { |
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gl.setField(BOARD_SIZE / 2, BOARD_SIZE / 2, AI_CHAR); |
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return; |
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} else if (board[BOARD_SIZE / 2][BOARD_SIZE / 2] == AI_CHAR && (board[0][0] == AI_CHAR || board[0][BOARD_SIZE - 1] == AI_CHAR || board[BOARD_SIZE - 1][0] == AI_CHAR || board[BOARD_SIZE - 1][BOARD_SIZE - 1] == AI_CHAR)) { |
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int onwCharsInRow = 0; |
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int ownCharsInCol = 0; |
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int emptyCharsInRow = 0; |
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int emptyCharsInCol = 0; |
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for (int i = BOARD_SIZE - 2; i > 0; i--) { |
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for (int j = 0; j < BOARD_SIZE; j += BOARD_SIZE - 1) { |
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for (int k = 1; k < BOARD_SIZE - 1; k++) { |
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if (countCharsInRow(j, AI_CHAR) == i && countCharsInCol(k, AI_CHAR) == i && countCharsInRow(j, EMPTY_CHAR) == BOARD_SIZE -i && countCharsInCol(k, EMPTY_CHAR) == BOARD_SIZE - i) { |
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gl.setField(j, k, AI_CHAR); |
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return; |
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} |
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if (countCharsInRow(k, AI_CHAR) == i && countCharsInCol(j, AI_CHAR) == i && countCharsInRow(k, EMPTY_CHAR) == BOARD_SIZE -i && countCharsInCol(j, EMPTY_CHAR) == BOARD_SIZE - i) { |
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gl.setField(k, j, AI_CHAR); |
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return; |
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for (int l = 0; l < 2; l++) { |
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row = (l == 0) ? j : k; |
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col = (l == 0) ? k : j; |
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onwCharsInRow = countCharsInRow(row, AI_CHAR); |
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ownCharsInCol = countCharsInCol(col, AI_CHAR); |
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emptyCharsInRow = countCharsInRow(row, EMPTY_CHAR); |
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emptyCharsInCol = countCharsInCol(col, EMPTY_CHAR); |
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if (onwCharsInRow >= i && ownCharsInCol >= i && emptyCharsInRow >= BOARD_SIZE - onwCharsInRow && emptyCharsInCol == BOARD_SIZE - ownCharsInCol) { |
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gl.setField(row, col, 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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} |
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} else { |
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boolean emptyEdgeFound = false; |
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int row = -1; |
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int col = -1; |
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row = -1; |
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col = -1; |
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int prioRow = -1; |
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int prioCol = -1; |
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@ -99,7 +120,22 @@ public class AIHard implements TicTacToeAI { |
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} |
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} |
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gl.setField((prioRow != -1) ? prioRow : row, (prioCol != -1) ? prioCol : col, AI_CHAR); |
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if (row != -1 && col != -1) { |
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row = (prioRow != -1) ? prioRow : row; |
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col = (prioCol != -1) ? prioCol : col; |
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gl.setField(row, col, AI_CHAR); |
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return; |
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} |
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} |
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for (row = 0; row < BOARD_SIZE; row++) { |
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for (col = 0; col < BOARD_SIZE; col++) { |
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if (board[row][col] == EMPTY_CHAR) { |
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gl.setField(row, col, 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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