public void onHitWall(HitWallEvent event) {
double angle = peer.getBodyHeading() + event.getBearingRadians();
hitWallAngle = (int) (Math.toDegrees(Utils.normalAbsoluteAngle(angle)) + 0.5);
hitWallBearing = (int) (event.getBearing() + 0.5);
JuniorRobot.this.onHitWall();
}
private static double getAcceleration(
LXXRobotState robot, double turnRateRadians, double robotHeading) {
final double speed = min(robot.getVelocityModule(), Rules.MAX_VELOCITY);
final double acceleratedSpeed = min(speed + 1, Rules.MAX_VELOCITY);
final double deceleratedSpeed1 = max(speed - 1, 0);
final double newHeading = Utils.normalAbsoluteAngle(robotHeading + turnRateRadians);
final int acceleration;
if (robot
.getBattleField()
.contains(robot.project(newHeading, LXXUtils.getStopDistance(acceleratedSpeed) + 12))) {
acceleration = 1;
} else if (robot
.getBattleField()
.contains(robot.project(newHeading, LXXUtils.getStopDistance(speed) + 12))) {
acceleration = 0;
} else if (robot
.getBattleField()
.contains(robot.project(newHeading, LXXUtils.getStopDistance(deceleratedSpeed1) + 12))) {
acceleration = -1;
} else {
acceleration = -2;
}
if (robot.getVelocityModule() + acceleration > Rules.MAX_VELOCITY) {
return Rules.MAX_VELOCITY - robot.getVelocityModule();
}
if (robot.getVelocityModule() + acceleration < 0) {
return -robot.getVelocityModule();
}
return acceleration;
}
public void onScannedRobot(ScannedRobotEvent e) {
robotLocation = new Point2D.Double(getX(), getY());
enemyAbsoluteBearing = getHeadingRadians() + e.getBearingRadians();
enemyDistance = e.getDistance();
enemyLocation = vectorToLocation(enemyAbsoluteBearing, enemyDistance, robotLocation);
// Change direction at random
if (Math.random() < 0.015) {
movementLateralAngle *= -1;
}
move();
execute();
// radar
setTurnRadarRightRadians(
Utils.normalRelativeAngle(enemyAbsoluteBearing - getRadarHeadingRadians()) * 2);
/*
* Circular Gun from wiki
*/
double absBearing = e.getBearingRadians() + getHeadingRadians();
// Finding the heading and heading change.
double enemyHeading = e.getHeadingRadians();
double enemyHeadingChange = enemyHeading - oldEnemyHeading;
oldEnemyHeading = enemyHeading;
double deltaTime = 0;
double predictedX = getX() + e.getDistance() * Math.sin(absBearing);
double predictedY = getY() + e.getDistance() * Math.cos(absBearing);
while ((++deltaTime) * BULLET_SPEED
< Point2D.Double.distance(getX(), getY(), predictedX, predictedY)) {
// Add the movement we think our enemy will make to our enemy's current X and Y
predictedX += Math.sin(enemyHeading) * (e.getVelocity());
predictedY += Math.cos(enemyHeading) * (e.getVelocity());
// Find our enemy's heading changes.
enemyHeading += enemyHeadingChange;
// If our predicted coordinates are outside the walls, put them 18
// distance units away from the walls as we know
// that that is the closest they can get to the wall (Bots are
// non-rotating 36*36 squares).
predictedX = Math.max(Math.min(predictedX, getBattleFieldWidth() - 18), 18);
predictedY = Math.max(Math.min(predictedY, getBattleFieldHeight() - 18), 18);
}
// Find the bearing of our predicted coordinates from us.
double aim = Utils.normalAbsoluteAngle(Math.atan2(predictedX - getX(), predictedY - getY()));
// Aim and fire.
setTurnGunRightRadians(Utils.normalRelativeAngle(aim - getGunHeadingRadians()));
setFire(BULLET_POWER);
setTurnRadarRightRadians(Utils.normalRelativeAngle(absBearing - getRadarHeadingRadians()) * 2);
}
private final Bullet setFireImpl(double power) {
if (Double.isNaN(power)) {
println("SYSTEM: You cannot call fire(NaN)");
return null;
}
if (getGunHeatImpl() > 0 || getEnergyImpl() == 0) {
return null;
}
power = min(getEnergyImpl(), min(max(power, Rules.MIN_BULLET_POWER), Rules.MAX_BULLET_POWER));
Bullet bullet;
BulletCommand wrapper;
Event currentTopEvent = eventManager.getCurrentTopEvent();
nextBulletId++;
if (currentTopEvent != null
&& currentTopEvent.getTime() == status.getTime()
&& !statics.isAdvancedRobot()
&& status.getGunHeadingRadians() == status.getRadarHeadingRadians()
&& ScannedRobotEvent.class.isAssignableFrom(currentTopEvent.getClass())) {
// this is angle assisted bullet
ScannedRobotEvent e = (ScannedRobotEvent) currentTopEvent;
double fireAssistAngle =
Utils.normalAbsoluteAngle(status.getHeadingRadians() + e.getBearingRadians());
bullet =
new Bullet(
fireAssistAngle, getX(), getY(), power, statics.getName(), null, true, nextBulletId);
wrapper = new BulletCommand(power, true, fireAssistAngle, nextBulletId);
} else {
// this is normal bullet
bullet =
new Bullet(
status.getGunHeadingRadians(),
getX(),
getY(),
power,
statics.getName(),
null,
true,
nextBulletId);
wrapper = new BulletCommand(power, false, 0, nextBulletId);
}
firedEnergy += power;
firedHeat += Rules.getGunHeat(power);
commands.getBullets().add(wrapper);
bullets.put(nextBulletId, bullet);
return bullet;
}
private double getBodyTurn() {
// а вот вычисление угла поворота посложее
final double alphaToMe = angleTo(enemyX, enemyY, getX(), getY());
// определяем угловое направление относительно противника (по часовой стрелке, либо против) ...
final double lateralDirection =
signum(
(getVelocity() != 0 ? getVelocity() : 1)
* Math.sin(Utils.normalRelativeAngle(getHeadingRadians() - alphaToMe)));
// получаем желаемое направление движения
final double desiredHeading =
Utils.normalAbsoluteAngle(alphaToMe + Math.PI / 2 * lateralDirection);
// нормализуем направление по скорости
final double normalHeading =
getVelocity() >= 0
? getHeadingRadians()
: Utils.normalAbsoluteAngle(getHeadingRadians() + Math.PI);
// и возвращаем угол поворта
return Utils.normalRelativeAngle(desiredHeading - normalHeading);
}
public void onScannedRobot(ScannedRobotEvent event) {
scannedDistance = (int) (event.getDistance() + 0.5);
scannedEnergy = Math.max(1, (int) (event.getEnergy() + 0.5));
scannedAngle =
(int)
(Math.toDegrees(
Utils.normalAbsoluteAngle(peer.getBodyHeading() + event.getBearingRadians()))
+ 0.5);
scannedBearing = (int) (event.getBearing() + 0.5);
scannedHeading = (int) (event.getHeading() + 0.5);
scannedVelocity = (int) (event.getVelocity() + 0.5);
JuniorRobot.this.onScannedRobot();
}
public double getAbsoluteAimAngle(
Wave aimWave, BotScan scan, BotScan enemyScan, double bulletPower) {
if (_lastFireTime == aimWave.fireTime) {
return _lastAimAngle;
}
_lastAimAngle =
Utils.normalAbsoluteAngle(
aimWave.absBearingRadians
+ aimWave.guessAngleFromIndex(getAimBin(aimWave, scan, enemyScan, bulletPower)));
_lastFireTime = aimWave.fireTime;
return _lastAimAngle;
}
public static MovementDecision toMovementDecision(
LXXRobotState robot, double targetHeading, MovementDirection movementDirection) {
final double robotHeading =
movementDirection == MovementDirection.FORWARD
? robot.getHeadingRadians()
: Utils.normalAbsoluteAngle(robot.getHeadingRadians() + LXXConstants.RADIANS_180);
final double neededTurnRateRadians = Utils.normalRelativeAngle(targetHeading - robotHeading);
double turnRateRadians = neededTurnRateRadians;
final double speed = robot.getVelocityModule();
final double acceleratedSpeed = min(speed + 1, Rules.MAX_VELOCITY);
if (abs(turnRateRadians) > Rules.getTurnRateRadians(acceleratedSpeed)) {
turnRateRadians = Rules.getTurnRateRadians(acceleratedSpeed) * signum(turnRateRadians);
}
final double acceleration = getAcceleration(robot, turnRateRadians, robotHeading);
turnRateRadians =
min(
abs(neededTurnRateRadians),
abs(
Rules.getTurnRateRadians(
LXXUtils.limit(0, speed + acceleration, Rules.MAX_VELOCITY))))
* signum(turnRateRadians);
return new MovementDecision(acceleration, turnRateRadians, movementDirection);
}
public MovSimStat[] futurePos(
int steps,
double x,
double y,
double velocity,
double maxVelocity,
double heading,
double distanceRemaining,
double angleToTurn,
double maxTurnRate,
double battleFieldW,
double battleFieldH) {
// maxTurnRate in degrees
MovSimStat[] pos = new MovSimStat[steps];
double acceleration = 0;
boolean slowingDown = false;
double moveDirection;
maxTurnRate = Math.toRadians(maxTurnRate);
if (distanceRemaining == 0) moveDirection = 0;
else if (distanceRemaining < 0.0) moveDirection = -1;
else moveDirection = 1;
// heading, accel, velocity, distance
for (int i = 0; i < steps; i++) {
// heading
double lastHeading = heading;
double turnRate =
Math.min(
maxTurnRate,
((0.4 + 0.6 * (1.0 - (Math.abs(velocity) / systemMaxVelocity))) * systemMaxTurnRate));
if (angleToTurn > 0.0) {
if (angleToTurn < turnRate) {
heading += angleToTurn;
angleToTurn = 0.0;
} else {
heading += turnRate;
angleToTurn -= turnRate;
}
} else if (angleToTurn < 0.0) {
if (angleToTurn > -turnRate) {
heading += angleToTurn;
angleToTurn = 0.0;
} else {
heading -= turnRate;
angleToTurn += turnRate;
}
}
heading = Utils.normalAbsoluteAngle(heading);
// movement
if (distanceRemaining != 0.0 || velocity != 0.0) {
// lastX = x; lastY = y;
if (!slowingDown && moveDirection == 0) {
slowingDown = true;
if (velocity > 0.0) moveDirection = 1;
else if (velocity < 0.0) moveDirection = -1;
else moveDirection = 0;
}
double desiredDistanceRemaining = distanceRemaining;
if (slowingDown) {
if (moveDirection == 1 && distanceRemaining < 0.0) desiredDistanceRemaining = 0.0;
else if (moveDirection == -1 && distanceRemaining > 1.0) desiredDistanceRemaining = 0.0;
}
double slowDownVelocity =
(double)
(int)
(maxBraking
/ 2.0
* ((Math.sqrt(4.0 * Math.abs(desiredDistanceRemaining) + 1.0)) - 1.0));
if (moveDirection == -1) slowDownVelocity = -slowDownVelocity;
if (!slowingDown) {
if (moveDirection == 1) {
if (velocity < 0.0) acceleration = maxBraking;
else acceleration = maxAcceleration;
if (velocity + acceleration > slowDownVelocity) slowingDown = true;
} else if (moveDirection == -1) {
if (velocity > 0.0) acceleration = -maxBraking;
else acceleration = -maxAcceleration;
if (velocity + acceleration < slowDownVelocity) slowingDown = true;
}
}
if (slowingDown) {
if (distanceRemaining != 0.0
&& Math.abs(velocity) <= maxBraking
&& Math.abs(distanceRemaining) <= maxBraking) slowDownVelocity = distanceRemaining;
double perfectAccel = slowDownVelocity - velocity;
if (perfectAccel > maxBraking) perfectAccel = maxBraking;
else if (perfectAccel < -maxBraking) perfectAccel = -maxBraking;
acceleration = perfectAccel;
}
if (velocity > maxVelocity || velocity < -maxVelocity) acceleration = 0.0;
velocity += acceleration;
if (velocity > maxVelocity) velocity -= Math.min(maxBraking, velocity - maxVelocity);
if (velocity < -maxVelocity) velocity += Math.min(maxBraking, -velocity - maxVelocity);
double dx = velocity * Math.sin(heading);
double dy = velocity * Math.cos(heading);
x += dx;
y += dy;
// boolean updateBounds = false;
// if (dx != 0.0 || dy != 0.0) updateBounds = true;
if (slowingDown && velocity == 0.0) {
distanceRemaining = 0.0;
moveDirection = 0;
slowingDown = false;
acceleration = 0.0;
}
// if (updateBounds) updateBoundingBox();
distanceRemaining -= velocity;
if (x < 18 || y < 18 || x > battleFieldW - 18 || y > battleFieldH - 18) {
distanceRemaining = 0;
angleToTurn = 0;
velocity = 0;
moveDirection = 0;
x = Math.max(18, Math.min(battleFieldW - 18, x));
y = Math.max(18, Math.min(battleFieldH - 18, y));
}
}
// add position
pos[i] =
new MovSimStat(x, y, velocity, heading, Utils.normalRelativeAngle(heading - lastHeading));
}
return pos;
}
public void aceInTheHole(ScannedRobotEvent e) {
double bulletPower = Math.min(3.0, getEnergy());
double myX = getX();
double myY = getY();
double absoluteBearing = getHeadingRadians() + e.getBearingRadians();
double enemyX = getX() + e.getDistance() * Math.sin(absoluteBearing);
double enemyY = getY() + e.getDistance() * Math.cos(absoluteBearing);
double enemyHeading = e.getHeadingRadians();
double enemyVelocity = e.getVelocity();
double deltaTime = 0;
double battleFieldHeight = getBattleFieldHeight(), battleFieldWidth = getBattleFieldWidth();
double predictedX = enemyX, predictedY = enemyY;
while ((++deltaTime) * (20.0 - 3.0 * bulletPower)
< Point2D.Double.distance(myX, myY, predictedX, predictedY)) {
predictedX += Math.sin(enemyHeading) * enemyVelocity;
predictedY += Math.cos(enemyHeading) * enemyVelocity;
if (predictedX < 18.0
|| predictedY < 18.0
|| predictedX > battleFieldWidth - 18.0
|| predictedY > battleFieldHeight - 18.0) {
predictedX = Math.min(Math.max(18.0, predictedX), battleFieldWidth - 18.0);
predictedY = Math.min(Math.max(18.0, predictedY), battleFieldHeight - 18.0);
break;
}
}
double theta = Utils.normalAbsoluteAngle(Math.atan2(predictedX - getX(), predictedY - getY()));
setTurnRadarRightRadians(Utils.normalRelativeAngle(absoluteBearing - getRadarHeadingRadians()));
setTurnGunRightRadians(Utils.normalRelativeAngle(theta - getGunHeadingRadians()));
fire(bulletPower);
}
private void doShooting() {
PositionFinder p = new PositionFinder(enemies, this);
en = p.findNearest();
if (en == null) return;
Point2D myPos = new Point2D.Double(getX(), getY());
if (HoT) {
/* Perform head on target for gun movement */
aimingPoint = new Point2D.Double(en.getX(), en.getY());
double turnGunAmt = (getHeadingRadians() + en.getBearingRadians() - getGunHeadingRadians());
turnGunAmt = Utils.normalRelativeAngle(turnGunAmt);
setTurnGunRightRadians(turnGunAmt);
} else {
/* Perform circular targeting */
Rectangle2D battlefield =
new Rectangle2D.Double(0, 0, getBattleFieldWidth(), getBattleFieldHeight());
long when = calcTimeToReachEnemy();
aimingPoint = org.pattern.utils.Utils.getFuturePoint(en, when);
if (!battlefield.contains(aimingPoint)) {
HoT = true;
return;
}
double theta =
Utils.normalAbsoluteAngle(
Math.atan2(aimingPoint.getX() - getX(), aimingPoint.getY() - getY()));
setTurnGunRightRadians(Utils.normalRelativeAngle(theta - getGunHeadingRadians()));
}
if (getGunHeat() == 0) {
double firePower = 3.0;
fire(firePower);
}
}