public Point minimax
(int[][] gameState
) {//player - true = MAX
boolean player = true;
int highestScoreDifference
= Integer.
MIN_VALUE;
//highestScoreDifference = player1Score - player2Score;
Point bestMove
= null;//best move returns highest difference (above 0)
ArrayList<Point> possible = checkPossible(gameState);//all possible moves for NEW STATE
//tu był score, gdyby coś przestało działać
for(Point move
: possible
) {
int score;
int[][] state = copyTab(gameState);
state[move.x][move.y] = player ? 2 : 1;//the new state
score = game.countScoreAdded(move, state);
player = false;
score += minimaxRec(player, state);
if(score > highestScoreDifference) {
highestScoreDifference = score;
bestMove = move;
}
}
return bestMove;
}
private int minimaxRec(boolean player, int[][] gameState) {
ArrayList<Point> possible = checkPossible(gameState);
if(possible.size() == 0) {
return 0;
}
int lowestScore
= Integer.
MAX_VALUE;
int highestScore
= Integer.
MIN_VALUE;
//tu był score, gdyby coś przestało działać
for(Point move
: possible
) {
int score = 0;
int[][] state = copyTab(gameState);
state[move.x][move.y] = player ? 2 : 1;
//tu był wcześniej zmeiniany newPlayer
if(player){//tu był wcześniej newPlayer
score += game.countScoreAdded(move, state);//tu wcześniej był gameState
}
else {
score -= game.countScoreAdded(move, state);//tu wcześniej był gameState
}
boolean newPlayer = !player;
score += minimaxRec(newPlayer, state);
if(score < lowestScore) {
lowestScore = score;
}
if(score > highestScore) {
highestScore = score;
}
}
return player ? highestScore : lowestScore;
}
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