public TextPoint initFromConfig(String filename)
throws IOException, FieldInitException, OutOfFieldException, SnakeOnWallException,
SnakeCollisionException, TeleportInitException {
Charset ENCODING = StandardCharsets.UTF_8;
Path path = Paths.get(filename);
List<String> tmpField = Files.readAllLines(path, ENCODING);
HashMap<String, String> gameParams = new HashMap<String, String>();
for (String line : tmpField) {
String param, value = null;
String[] tmp = line.split("=");
param = tmp[0].trim();
if (tmp.length > 1) {
value = tmp[1].trim();
}
gameParams.put(param, value);
}
String type = gameParams.get("type");
if ("MULTI".equals(type)) {
setType(GameType.MULTI);
} else if ("MULTI_BATTLE".equals(type)) {
setType(GameType.MULTI_BATTLE);
}
TextPoint fieldSize = initField(gameParams.get("field_path"));
String[] snake = gameParams.get("snake_1").split(",");
TextPoint head = new TextPoint(Integer.valueOf(snake[0]), Integer.valueOf(snake[1]));
Direction dir = textToDirection(snake[1]);
int size = Integer.valueOf(snake[3]);
initSnake(1, head, dir, size);
if (gameType != GameType.SINGLE) {
snake = gameParams.get("snake_2").split(",");
head = new TextPoint(Integer.valueOf(snake[0]), Integer.valueOf(snake[1]));
dir = textToDirection(snake[2]);
size = Integer.valueOf(snake[3]);
initSnake(2, head, dir, size);
}
String[] teleports = gameParams.get("teleports").split("\\|");
for (int i = 0; i < teleports.length; i++) {
String[] ports = teleports[i].split(";");
HashMap<TextPoint, Direction> p = new HashMap<TextPoint, Direction>();
for (int j = 0; j < ports.length; j++) {
String[] port = ports[j].split(",");
p.put(
new TextPoint(Integer.valueOf(port[0]), Integer.valueOf(port[1])),
textToDirection(port[2]));
}
initPorts(p);
}
addStars(Integer.valueOf(gameParams.get("stars")));
return fieldSize;
}
public void move()
throws SnakeOnWallException, OutOfFieldException, SnakeAddException, SnakeCollisionException {
// TODO: re-factor, too messy
for (int j = 0; j < snake.length; j++) {
if (gameType == GameType.SINGLE && j >= 1) {
break;
}
try {
snake[j].move();
} catch (SnakeCollisionException e) {
if (gameType == GameType.MULTI_BATTLE) {
// TODO: choose direction randomly
initSnake(j + 1, getEmptyPoint(), Direction.RIGHT, 1);
continue;
} else {
throw e;
}
}
TextPoint head = snake[j].getHead();
if (field.isWall(head) && gameType != GameType.MULTI_BATTLE) {
throw new SnakeOnWallException("Snake Head is on the Wall");
} else if (field.isWall(head) && gameType == GameType.MULTI_BATTLE) {
initSnake(j + 1, getEmptyPoint(), Direction.RIGHT, 1);
continue;
}
if (stars.isStar(head)) {
snake[j].add();
stars.remove(head);
score[j]++;
}
for (int i = 0; i < ports.length; i++) {
if (ports[i] != null && ports[i].isPort(head)) {
ports[i].updateHead(snake[j]);
break;
}
}
}
if (gameType != GameType.SINGLE) {
boolean isClash =
snake[0].isOnSnake(snake[1].getHead()) || snake[1].isOnSnake(snake[0].getHead());
boolean isNotBattle = gameType == GameType.MULTI;
if (isClash) {
// eat other snake tail or restart smaller snake on clash (if
// battle)
if (isNotBattle) {
throw new SnakeCollisionException("Snakes clash");
} else if (snake[0].getSize() == 1 && snake[1].getSize() == 1) {
initSnake(1, getEmptyPoint(), Direction.RIGHT, 1);
initSnake(2, getEmptyPoint(), Direction.RIGHT, 1);
} else if (snake[0].isTail(snake[1].getHead())) {
if (snake[0].getSize() == 1) {
initSnake(1, getEmptyPoint(), Direction.RIGHT, 1);
} else {
snake[0].cutTail();
}
score[1]++;
snake[1].add();
} else if (snake[1].isTail(snake[0].getHead())) {
if (snake[1].getSize() == 1) {
initSnake(2, getEmptyPoint(), Direction.RIGHT, 1);
} else {
snake[1].cutTail();
}
score[0]++;
snake[0].add();
} else if (snake[0].getSize() > snake[1].getSize()) {
initSnake(2, getEmptyPoint(), Direction.RIGHT, 1);
} else if (snake[0].getSize() < snake[1].getSize()) {
initSnake(1, getEmptyPoint(), Direction.RIGHT, 1);
} else if (snake[0].getSize() == snake[1].getSize()) {
initSnake(1, getEmptyPoint(), Direction.RIGHT, 1);
initSnake(2, getEmptyPoint(), Direction.RIGHT, 1);
}
}
}
}
