Examples with Ship spacesettlers.objects.Ship used on opensource projects

Example 6 with Ship

use of spacesettlers.objects.Ship in project spacesettlers by amymcgovern.

the class AggressiveHeuristicAsteroidCollectorSingletonTeamClient method getMovementStart.

/**
 * Assigns ships to asteroids and beacons, as described above
 */
public Map<UUID, AbstractAction> getMovementStart(Toroidal2DPhysics space, Set<AbstractActionableObject> actionableObjects) {
    HashMap<UUID, AbstractAction> actions = new HashMap<UUID, AbstractAction>();
    // loop through each ship
    for (AbstractObject actionable : actionableObjects) {
        if (actionable instanceof Ship) {
            Ship ship = (Ship) actionable;
            // the first time we initialize, decide which ship is the asteroid collector
            if (asteroidCollectorID == null) {
                asteroidCollectorID = ship.getId();
            }
            AbstractAction action = getAggressiveAsteroidCollectorAction(space, ship);
            actions.put(ship.getId(), action);
        } else {
            // it is a base.  Heuristically decide when to use the shield (TODO)
            actions.put(actionable.getId(), new DoNothingAction());
        }
    }
    return actions;
}

Example 7 with Ship

use of spacesettlers.objects.Ship in project spacesettlers by amymcgovern.

the class AggressiveHeuristicAsteroidCollectorSingletonTeamClient method getAggressiveAsteroidCollectorAction.

/**
 * Gets the action for the asteroid collecting ship (while being aggressive towards the other ships)
 * @param space
 * @param ship
 * @return
 */
private AbstractAction getAggressiveAsteroidCollectorAction(Toroidal2DPhysics space, Ship ship) {
    AbstractAction current = ship.getCurrentAction();
    Position currentPosition = ship.getPosition();
    // aim for a beacon if there isn't enough energy
    if (ship.getEnergy() < 2000) {
        Beacon beacon = pickNearestBeacon(space, ship);
        AbstractAction newAction = null;
        // if there is no beacon, then just skip a turn
        if (beacon == null) {
            newAction = new DoNothingAction();
        } else {
            newAction = new MoveToObjectAction(space, currentPosition, beacon);
        }
        aimingForBase.put(ship.getId(), false);
        shouldShoot = false;
        return newAction;
    }
    // if the ship has enough resourcesAvailable, take it back to base
    if (ship.getResources().getTotal() > 500 || ship.getNumCores() > 0) {
        Base base = findNearestBase(space, ship);
        AbstractAction newAction = new MoveToObjectAction(space, currentPosition, base);
        aimingForBase.put(ship.getId(), true);
        shouldShoot = false;
        return newAction;
    }
    // did we bounce off the base?
    if (ship.getResources().getTotal() == 0 && ship.getEnergy() > 2000 && aimingForBase.containsKey(ship.getId()) && aimingForBase.get(ship.getId())) {
        current = null;
        aimingForBase.put(ship.getId(), false);
        shouldShoot = false;
    }
    // if there is a nearby core, go get it
    AiCore nearbyCore = pickNearestCore(space, ship, 100);
    if (nearbyCore != null) {
        Position newGoal = nearbyCore.getPosition();
        AbstractAction newAction = new MoveToObjectAction(space, currentPosition, nearbyCore);
        return newAction;
    }
    // otherwise either for an asteroid or an enemy ship (depending on who is closer and what we need)
    if (current == null || current.isMovementFinished(space)) {
        aimingForBase.put(ship.getId(), false);
        // see if there is an enemy ship nearby
        Ship enemy = pickNearestEnemyShip(space, ship);
        // find the highest valued nearby asteroid
        Asteroid asteroid = pickHighestValueNearestFreeAsteroid(space, ship);
        AbstractAction newAction = null;
        // if there is no enemy nearby, go for an asteroid
        if (enemy == null) {
            if (asteroid != null) {
                newAction = new MoveToObjectAction(space, currentPosition, asteroid, asteroid.getPosition().getTranslationalVelocity());
                shouldShoot = false;
                return newAction;
            } else {
                // no enemy and no asteroid, just skip this turn (shouldn't happen often)
                shouldShoot = true;
                newAction = new DoNothingAction();
                return newAction;
            }
        }
        // now decide which one to aim for
        if (asteroid != null) {
            double enemyDistance = space.findShortestDistance(ship.getPosition(), enemy.getPosition());
            double asteroidDistance = space.findShortestDistance(ship.getPosition(), asteroid.getPosition());
            // we are aggressive, so aim for enemies if they are nearby
            if (enemyDistance < asteroidDistance) {
                shouldShoot = true;
                newAction = new MoveToObjectAction(space, currentPosition, enemy, enemy.getPosition().getTranslationalVelocity());
            } else {
                shouldShoot = false;
                newAction = new MoveToObjectAction(space, currentPosition, asteroid, asteroid.getPosition().getTranslationalVelocity());
            }
            return newAction;
        } else {
            newAction = new MoveToObjectAction(space, currentPosition, enemy, enemy.getPosition().getTranslationalVelocity());
        }
        return newAction;
    }
    // return the current if new goals haven't formed
    return ship.getCurrentAction();
}

Example 8 with Ship

use of spacesettlers.objects.Ship in project spacesettlers by amymcgovern.

the class AggressiveHeuristicAsteroidCollectorSingletonTeamClient method pickNearestEnemyShip.

/**
 * Find the nearest ship on another team and aim for it
 * @param space
 * @param ship
 * @return
 */
private Ship pickNearestEnemyShip(Toroidal2DPhysics space, Ship ship) {
    double minDistance = Double.POSITIVE_INFINITY;
    Ship nearestShip = null;
    for (Ship otherShip : space.getShips()) {
        // don't aim for our own team (or ourself)
        if (otherShip.getTeamName().equals(ship.getTeamName())) {
            continue;
        }
        double distance = space.findShortestDistance(ship.getPosition(), otherShip.getPosition());
        if (distance < minDistance) {
            minDistance = distance;
            nearestShip = otherShip;
        }
    }
    return nearestShip;
}

Example 9 with Ship

use of spacesettlers.objects.Ship in project spacesettlers by amymcgovern.

the class AggressiveHeuristicAsteroidCollectorTeamClient method pickNearestEnemyShip.

/**
 * Find the nearest ship on another team and aim for it
 * @param space
 * @param ship
 * @return
 */
private Ship pickNearestEnemyShip(Toroidal2DPhysics space, Ship ship) {
    double minDistance = Double.POSITIVE_INFINITY;
    Ship nearestShip = null;
    for (Ship otherShip : space.getShips()) {
        // don't aim for our own team (or ourself)
        if (otherShip.getTeamName().equals(ship.getTeamName())) {
            continue;
        }
        double distance = space.findShortestDistance(ship.getPosition(), otherShip.getPosition());
        if (distance < minDistance) {
            minDistance = distance;
            nearestShip = otherShip;
        }
    }
    return nearestShip;
}

Example 10 with Ship

use of spacesettlers.objects.Ship in project spacesettlers by amymcgovern.

the class AggressiveHeuristicAsteroidCollectorTeamClient method getTeamPurchases.

@Override
public /**
 * If there is enough resourcesAvailable, buy a base.  Place it by finding a ship that is sufficiently
 * far away from the existing bases
 */
Map<UUID, PurchaseTypes> getTeamPurchases(Toroidal2DPhysics space, Set<AbstractActionableObject> actionableObjects, ResourcePile resourcesAvailable, PurchaseCosts purchaseCosts) {
    HashMap<UUID, PurchaseTypes> purchases = new HashMap<UUID, PurchaseTypes>();
    double BASE_BUYING_DISTANCE = 200;
    boolean bought_base = false;
    if (purchaseCosts.canAfford(PurchaseTypes.BASE, resourcesAvailable)) {
        for (AbstractActionableObject actionableObject : actionableObjects) {
            if (actionableObject instanceof Ship) {
                Ship ship = (Ship) actionableObject;
                Set<Base> bases = space.getBases();
                // how far away is this ship to a base of my team?
                double maxDistance = Double.MIN_VALUE;
                for (Base base : bases) {
                    if (base.getTeamName().equalsIgnoreCase(getTeamName())) {
                        double distance = space.findShortestDistance(ship.getPosition(), base.getPosition());
                        if (distance > maxDistance) {
                            maxDistance = distance;
                        }
                    }
                }
                if (maxDistance > BASE_BUYING_DISTANCE) {
                    purchases.put(ship.getId(), PurchaseTypes.BASE);
                    bought_base = true;
                    // System.out.println("Buying a base!!");
                    break;
                }
            }
        }
    }
    // see if you can buy EMPs
    if (purchaseCosts.canAfford(PurchaseTypes.POWERUP_EMP_LAUNCHER, resourcesAvailable)) {
        for (AbstractActionableObject actionableObject : actionableObjects) {
            if (actionableObject instanceof Ship) {
                Ship ship = (Ship) actionableObject;
                if (!ship.getId().equals(asteroidCollectorID) && !ship.isValidPowerup(PurchaseTypes.POWERUP_EMP_LAUNCHER.getPowerupMap())) {
                    purchases.put(ship.getId(), PurchaseTypes.POWERUP_EMP_LAUNCHER);
                }
            }
        }
    }
    // can I buy a ship?
    if (purchaseCosts.canAfford(PurchaseTypes.SHIP, resourcesAvailable) && bought_base == false) {
        for (AbstractActionableObject actionableObject : actionableObjects) {
            if (actionableObject instanceof Base) {
                Base base = (Base) actionableObject;
                purchases.put(base.getId(), PurchaseTypes.SHIP);
                break;
            }
        }
    }
    return purchases;
}