private boolean getRestTankCells(Tank t, Random rand_num) {
while (t.getCells().size() != 4) {
int next_row = t.getCells().getLast().getCurrent_row();
int next_col = t.getCells().getLast().getCurrent_column();
/*chose direction, 0 = north, 1 = east, 2 south, 3 =west */
int next_cell = rand_num.nextInt(4);
if (next_cell == 0) { // north
/*check if the next cell is occupied by another tank or out of boundary*/
int north = next_row - 1;
if ((north >= 0 && north < number_row) && !(cells[north][next_col].getIsTank())) {
t.addCells(cells[north][next_col]);
cells[north][next_col].setIsTank(true);
}
} else if (next_cell == 1) {
int east = next_col + 1;
if ((east >= 0 && east < number_column) && !cells[next_row][east].getIsTank()) {
t.addCells(cells[next_row][east]);
cells[next_row][east].setIsTank(true);
}
} else if (next_cell == 2) {
int south = next_row + 1;
if ((south >= 0 && south < number_row) && !cells[south][next_col].getIsTank()) {
t.addCells(cells[south][next_col]);
cells[south][next_col].setIsTank(true);
}
} else if (next_cell == 3) {
int west = next_col - 1;
if ((west >= 0 && west < number_column) && !cells[next_row][west].getIsTank()) {
t.addCells(cells[next_row][west]);
cells[next_row][west].setIsTank(true);
}
}
}
if (t.getCells().size() == 4) {
return true;
} else {
return false;
}
}
public int fireCannons(Cell cell, Tank[] tanks) {
if (!cell.getHasBeenAttacked()) { // he cell has not been attacked, check if it is tank
cell.setHasBeenAttacked(true);
if (cell.getIsTank()) { // it is part of tank
cell.setTankHit(true);
for (Tank t : tanks) {
if (t.getCells().contains(cell)) {
t.setNumber_undamaged_cell(t.getNumber_undamaged_cell() - 1);
}
}
return 1; // hit
} else {
return -1; // miss
}
} else { // the cell has been attacked, next check if it is tank and
if (cell.isTankHit()) {
return 0; // hit, but do nothing
} else {
return -1;
}
}
}