package life;

public class Life {
	private LifeBoard board;

	/** Skapar ett Life-spel med spelplanen board */
	public Life(LifeBoard board) {
		this.board = board;
	}

	/** Skapar en ny generation */
	public void newGeneration() {

		/**int neighbours;
		LifeBoard newValues = new LifeBoard(board.getRows(), board.getCols());

		for (int row = 0; row < board.getRows(); row++) {
			for (int col = 0; col < board.getCols(); col++) {

				neighbours = numberOfNeighbours(row, col);
				if (board.get(row, col)) {			 // Om rutan är fylld.
					if (neighbours == 2 || neighbours == 3) {
						newValues.put(row, col, true);
					}

				} else { 							// Om rutan är tom.
					if (neighbours == 3) {
						newValues.put(row, col, true);
					}
				}
			}
		}
		board = newValues;*/
		board.increaseGeneration();

	}

	/**
	 * Ändrar innehåller i rutan med index row, col från individ till tom eller
	 * tvärtom.
	 */
	public void flip(int row, int col) {

		if (board.get(row, col)) {
			board.put(row, col, false);
		} else {
			board.put(row, col, true);
		}
	}

	/** Returnerar antal grannar till rutan med index row, col. */
	public int numberOfNeighbours(int row, int col) {
		int neighbours = 0;
		if (board.get(row, col)) {
			neighbours--;
		}

		for (int r = 0 ; r <= 2 ; r++) {
			for (int c = 0 ; c <= 2 ; c++) {
				if (board.get(row + r - 1, col + c - 1)) {
					neighbours++;
				}
			}
		}
		return neighbours;

	}

}