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

Example 1 with Ship

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

the class AggressiveFlagCollectorTeamClient 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>();
    Ship flagShip;
    int numShips = 0;
    // get the flag carrier, if we have one
    flagShip = getFlagCarrier(space, actionableObjects);
    // we don't have a ship carrying a flag, so find the best choice (if it exists)
    if (flagShip == null) {
        flagShip = findHealthiestShipNearFlag(space, actionableObjects);
    }
    // count ships so we know if we can have a weapons ship
    for (AbstractObject actionable : actionableObjects) {
        if (actionable instanceof Ship) {
            numShips++;
        }
    }
    // resources (as long as it isn't the flagShip)
    for (AbstractObject actionable : actionableObjects) {
        if (actionable instanceof Ship) {
            Ship ship = (Ship) actionable;
            AbstractAction action = null;
            if (flagShip != null && ship.equals(flagShip)) {
                if (flagShip.isCarryingFlag()) {
                    // System.out.println("We have a flag carrier!");
                    Base base = findNearestBase(space, ship);
                    // System.out.println("Flag ship before computing action: " + flagShip);
                    action = new MoveToObjectAction(space, ship.getPosition(), base);
                    // System.out.println("Aiming for base with action " + action);
                    aimingForBase.put(ship.getId(), true);
                // System.out.println("Flag ship after computing action: " + flagShip);
                } else {
                    Flag enemyFlag = getEnemyFlag(space);
                    action = new MoveToObjectAction(space, ship.getPosition(), enemyFlag, enemyFlag.getPosition().getTranslationalVelocity());
                }
            } else {
                // a ship to go get resources and help buy more ships/bases)
                if (numShips >= 2) {
                    // see if we already have a hunting ship
                    if (huntingShip.isEmpty()) {
                        huntingShip.put(ship.getId(), true);
                        System.out.println("Creating a hunting ship");
                        // make one ship the hunter
                        action = getWeaponShipAction(space, ship);
                    } else {
                        // if this ship is the current hunter, have it keep hunting
                        if (huntingShip.containsKey(ship.getId())) {
                            // make one ship the hunter
                            action = getWeaponShipAction(space, ship);
                        // System.out.println("Getting action for hunter");
                        } else {
                            // extra ship but not the hunter (likely a 4th ship)
                            action = getAsteroidCollectorAction(space, ship);
                        }
                    }
                } else {
                // with 2 ships, we need to always collect resources so we can buy more ships for hunting
                // and resources later
                }
            }
            // save the action for this ship
            actions.put(ship.getId(), action);
        } else {
            // bases do nothing
            actions.put(actionable.getId(), new DoNothingAction());
        }
    }
    return actions;
}

Example 2 with Ship

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

the class AggressiveFlagCollectorTeamClient 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 3 with Ship

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

the class AggressiveFlagCollectorTeamClient method getWeaponShipAction.

/**
 * Gets the action for the weapons based ship
 * @param space
 * @param ship
 * @return
 */
private AbstractAction getWeaponShipAction(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);
        return newAction;
    }
    // if the ship has enough resourcesAvailable, take it back to base
    if (ship.getResources().getTotal() > 500) {
        Base base = findNearestBase(space, ship);
        AbstractAction newAction = new MoveToObjectAction(space, currentPosition, base);
        aimingForBase.put(ship.getId(), true);
        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);
    }
    // otherwise aim for the nearest enemy ship
    if (current == null || current.isMovementFinished(space)) {
        aimingForBase.put(ship.getId(), false);
        Ship enemy = pickNearestEnemyShip(space, ship);
        AbstractAction newAction = null;
        if (enemy == null) {
            // there is no enemy available so collect a beacon
            Beacon beacon = pickNearestBeacon(space, ship);
            // if there is no beacon, then just skip a turn
            if (beacon == null) {
                newAction = new DoNothingAction();
            } else {
                newAction = new MoveToObjectAction(space, currentPosition, beacon);
            }
        } else {
            newAction = new MoveToObjectAction(space, currentPosition, enemy, enemy.getPosition().getTranslationalVelocity());
        }
        return newAction;
    } else {
        return ship.getCurrentAction();
    }
}

Example 4 with Ship

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

the class AggressiveFlagCollectorTeamClient method findHealthiestShipNearFlag.

/**
 * Finds the ship with the highest health and nearest the flag
 *
 * @param space
 * @param actionableObjects
 * @return
 */
private Ship findHealthiestShipNearFlag(Toroidal2DPhysics space, Set<AbstractActionableObject> actionableObjects) {
    double minDistance = Double.MAX_VALUE;
    double maxHealth = Double.MIN_VALUE;
    int minHealth = 2000;
    Ship bestShip = null;
    // first find the enemy flag
    Flag enemyFlag = getEnemyFlag(space);
    // if no ships meet that criteria, return null
    for (AbstractObject actionable : actionableObjects) {
        if (actionable instanceof Ship) {
            Ship ship = (Ship) actionable;
            double dist = space.findShortestDistance(ship.getPosition(), enemyFlag.getPosition());
            if (dist < minDistance && ship.getEnergy() > minHealth) {
                if (ship.getEnergy() > maxHealth) {
                    minDistance = dist;
                    maxHealth = ship.getEnergy();
                    bestShip = ship;
                }
            }
        }
    }
    return bestShip;
}

Example 5 with Ship

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

the class AggressiveFlagCollectorTeamClient 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;
    int numBases, numShips;
    // count the number of ships for the base/ship buying algorithm
    numShips = 0;
    for (AbstractActionableObject actionableObject : actionableObjects) {
        if (actionableObject instanceof Ship) {
            numShips++;
        }
    }
    // try to balance
    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?
                boolean buyBase = true;
                numBases = 0;
                for (Base base : bases) {
                    if (base.getTeamName().equalsIgnoreCase(getTeamName())) {
                        numBases++;
                        double distance = space.findShortestDistance(ship.getPosition(), base.getPosition());
                        if (distance < BASE_BUYING_DISTANCE) {
                            buyBase = false;
                        }
                    }
                }
                if (buyBase && numBases < numShips) {
                    purchases.put(ship.getId(), PurchaseTypes.BASE);
                    bought_base = true;
                    System.out.println("Aggressive Flag Collector is buying a base!");
                    break;
                }
            }
        }
    }
    // 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);
                System.out.println("Aggressive Flag Collector is buying a ship!");
                break;
            }
        }
    }
    return purchases;
}