Examples with Change games.strategy.engine.data.Change used on opensource projects

Example 11 with Change

use of games.strategy.engine.data.Change in project triplea by triplea-game.

the class MovePerformer method populateStack.

/**
 * We assume that the move is valid.
 */
private void populateStack(final Collection<Unit> units, final Route route, final PlayerID id, final Collection<Unit> transportsToLoad) {
    final IExecutable preAaFire = new IExecutable() {

        private static final long serialVersionUID = -7945930782650355037L;

        @Override
        public void execute(final ExecutionStack stack, final IDelegateBridge bridge) {
            // this can happen for air units moving out of a battle zone
            for (final IBattle battle : getBattleTracker().getPendingBattles(route.getStart(), null)) {
                for (final Unit unit : units) {
                    final Route routeUnitUsedToMove = moveDelegate.getRouteUsedToMoveInto(unit, route.getStart());
                    if (battle != null) {
                        battle.removeAttack(routeUnitUsedToMove, Collections.singleton(unit));
                    }
                }
            }
        }
    };
    // hack to allow the executables to share state
    final IExecutable fireAa = new IExecutable() {

        private static final long serialVersionUID = -3780228078499895244L;

        @Override
        public void execute(final ExecutionStack stack, final IDelegateBridge bridge) {
            final Collection<Unit> aaCasualties = fireAa(route, units);
            final Set<Unit> aaCasualtiesWithDependents = new HashSet<>();
            // need to remove any dependents here
            if (aaCasualties != null) {
                aaCasualtiesWithDependents.addAll(aaCasualties);
                final Map<Unit, Collection<Unit>> dependencies = TransportTracker.transporting(units, units);
                for (final Unit u : aaCasualties) {
                    final Collection<Unit> dependents = dependencies.get(u);
                    if (dependents != null) {
                        aaCasualtiesWithDependents.addAll(dependents);
                    }
                    // we might have new dependents too (ie: paratroopers)
                    final Collection<Unit> newDependents = m_newDependents.get(u);
                    if (newDependents != null) {
                        aaCasualtiesWithDependents.addAll(newDependents);
                    }
                }
            }
            arrivingUnits = CollectionUtils.difference(units, aaCasualtiesWithDependents);
        }
    };
    final IExecutable postAaFire = new IExecutable() {

        private static final long serialVersionUID = 670783657414493643L;

        @Override
        public void execute(final ExecutionStack stack, final IDelegateBridge bridge) {
            // if any non enemy territories on route
            // or if any enemy units on route the
            // battles on (note water could have enemy but its
            // not owned)
            final GameData data = bridge.getData();
            final Predicate<Territory> mustFightThrough = getMustFightThroughMatch(id, data);
            final Collection<Unit> arrived = Collections.unmodifiableList(CollectionUtils.intersection(units, arrivingUnits));
            // Reset Optional
            arrivingUnits = new ArrayList<>();
            final Collection<Unit> arrivedCopyForBattles = new ArrayList<>(arrived);
            final Map<Unit, Unit> transporting = TransportUtils.mapTransports(route, arrived, transportsToLoad);
            // If we have paratrooper land units being carried by air units, they should be dropped off in the last
            // territory. This means they
            // are still dependent during the middle steps of the route.
            final Collection<Unit> dependentOnSomethingTilTheEndOfRoute = new ArrayList<>();
            final Collection<Unit> airTransports = CollectionUtils.getMatches(arrived, Matches.unitIsAirTransport());
            final Collection<Unit> paratroops = CollectionUtils.getMatches(arrived, Matches.unitIsAirTransportable());
            if (!airTransports.isEmpty() && !paratroops.isEmpty()) {
                final Map<Unit, Unit> transportingAir = TransportUtils.mapTransportsToLoad(paratroops, airTransports);
                dependentOnSomethingTilTheEndOfRoute.addAll(transportingAir.keySet());
            }
            final Collection<Unit> presentFromStartTilEnd = new ArrayList<>(arrived);
            presentFromStartTilEnd.removeAll(dependentOnSomethingTilTheEndOfRoute);
            final CompositeChange change = new CompositeChange();
            // markFuelCostResourceChange must be done before we load/unload units
            change.add(Route.getFuelChanges(units, route, id, data));
            markTransportsMovement(arrived, transporting, route);
            if (route.anyMatch(mustFightThrough) && arrived.size() != 0) {
                boolean bombing = false;
                boolean ignoreBattle = false;
                // could it be a bombing raid
                final Collection<Unit> enemyUnits = route.getEnd().getUnits().getMatches(Matches.enemyUnit(id, data));
                final Collection<Unit> enemyTargetsTotal = CollectionUtils.getMatches(enemyUnits, Matches.unitCanBeDamaged().and(Matches.unitIsBeingTransported().negate()));
                final boolean canCreateAirBattle = !enemyTargetsTotal.isEmpty() && Properties.getRaidsMayBePreceededByAirBattles(data) && AirBattle.territoryCouldPossiblyHaveAirBattleDefenders(route.getEnd(), id, data, true);
                final Predicate<Unit> allBombingRaid = PredicateBuilder.of(Matches.unitIsStrategicBomber()).orIf(canCreateAirBattle, Matches.unitCanEscort()).build();
                final boolean allCanBomb = !arrived.isEmpty() && arrived.stream().allMatch(allBombingRaid);
                final Collection<Unit> enemyTargets = CollectionUtils.getMatches(enemyTargetsTotal, Matches.unitIsOfTypes(UnitAttachment.getAllowedBombingTargetsIntersection(CollectionUtils.getMatches(arrived, Matches.unitIsStrategicBomber()), data)));
                final boolean targetsOrEscort = !enemyTargets.isEmpty() || (!enemyTargetsTotal.isEmpty() && canCreateAirBattle && !arrived.isEmpty() && arrived.stream().allMatch(Matches.unitCanEscort()));
                boolean targetedAttack = false;
                // if it's all bombers and there's something to bomb
                if (allCanBomb && targetsOrEscort && GameStepPropertiesHelper.isCombatMove(data)) {
                    bombing = getRemotePlayer().shouldBomberBomb(route.getEnd());
                    // if bombing and there's something to target- ask what to bomb
                    if (bombing) {
                        // CompositeMatchOr<Unit> unitsToBeBombed = new CompositeMatchOr<Unit>(Matches.UnitIsFactory,
                        // Matches.UnitCanBeDamagedButIsNotFactory);
                        // determine which unit to bomb
                        final Unit target;
                        if (enemyTargets.size() > 1 && Properties.getDamageFromBombingDoneToUnitsInsteadOfTerritories(data) && !canCreateAirBattle) {
                            target = getRemotePlayer().whatShouldBomberBomb(route.getEnd(), enemyTargets, arrived);
                        } else if (!enemyTargets.isEmpty()) {
                            target = enemyTargets.iterator().next();
                        } else {
                            // in case we are escorts only
                            target = enemyTargetsTotal.iterator().next();
                        }
                        if (target == null) {
                            bombing = false;
                            targetedAttack = false;
                        } else {
                            targetedAttack = true;
                            final HashMap<Unit, HashSet<Unit>> targets = new HashMap<>();
                            targets.put(target, new HashSet<>(arrived));
                            // createdBattle = true;
                            getBattleTracker().addBattle(route, arrivedCopyForBattles, bombing, id, MovePerformer.this.bridge, m_currentMove, dependentOnSomethingTilTheEndOfRoute, targets, false);
                        }
                    }
                }
                // Ignore Trn on Trn forces.
                if (isIgnoreTransportInMovement(bridge.getData())) {
                    final boolean allOwnedTransports = !arrived.isEmpty() && arrived.stream().allMatch(Matches.unitIsTransportButNotCombatTransport());
                    final boolean allEnemyTransports = !enemyUnits.isEmpty() && enemyUnits.stream().allMatch(Matches.unitIsTransportButNotCombatTransport());
                    // If everybody is a transport, don't create a battle
                    if (allOwnedTransports && allEnemyTransports) {
                        ignoreBattle = true;
                    }
                }
                if (!ignoreBattle && GameStepPropertiesHelper.isCombatMove(data) && !targetedAttack) {
                    // createdBattle = true;
                    if (bombing) {
                        getBattleTracker().addBombingBattle(route, arrivedCopyForBattles, id, MovePerformer.this.bridge, m_currentMove, dependentOnSomethingTilTheEndOfRoute);
                    } else {
                        getBattleTracker().addBattle(route, arrivedCopyForBattles, id, MovePerformer.this.bridge, m_currentMove, dependentOnSomethingTilTheEndOfRoute);
                    }
                }
                if (!ignoreBattle && GameStepPropertiesHelper.isNonCombatMove(data, false) && !targetedAttack) {
                    // difficult if we want these recorded in battle records).
                    for (final Territory t : route.getMatches(Matches.territoryIsOwnedByPlayerWhosRelationshipTypeCanTakeOverOwnedTerritoryAndPassableAndNotWater(id).and(Matches.territoryIsBlitzable(id, data)))) {
                        if (Matches.isTerritoryEnemy(id, data).test(t) || Matches.territoryHasEnemyUnits(id, data).test(t)) {
                            continue;
                        }
                        if ((t.equals(route.getEnd()) && !arrivedCopyForBattles.isEmpty() && arrivedCopyForBattles.stream().allMatch(Matches.unitIsAir())) || (!t.equals(route.getEnd()) && !presentFromStartTilEnd.isEmpty() && presentFromStartTilEnd.stream().allMatch(Matches.unitIsAir()))) {
                            continue;
                        }
                        // createdBattle = true;
                        getBattleTracker().takeOver(t, id, bridge, m_currentMove, arrivedCopyForBattles);
                    }
                }
            }
            // mark movement
            final Change moveChange = markMovementChange(arrived, route, id);
            change.add(moveChange);
            // actually move the units
            if (route.getStart() != null && route.getEnd() != null) {
                // ChangeFactory.addUnits(route.getEnd(), arrived);
                final Change remove = ChangeFactory.removeUnits(route.getStart(), units);
                final Change add = ChangeFactory.addUnits(route.getEnd(), arrived);
                change.add(add, remove);
            }
            MovePerformer.this.bridge.addChange(change);
            m_currentMove.addChange(change);
            m_currentMove.setDescription(MyFormatter.unitsToTextNoOwner(arrived) + " moved from " + route.getStart().getName() + " to " + route.getEnd().getName());
            moveDelegate.updateUndoableMoves(m_currentMove);
        }
    };
    m_executionStack.push(postAaFire);
    m_executionStack.push(fireAa);
    m_executionStack.push(preAaFire);
    m_executionStack.execute(bridge);
}

Example 12 with Change

use of games.strategy.engine.data.Change in project triplea by triplea-game.

the class MustFightBattle method markNoMovementLeft.

private void markNoMovementLeft(final IDelegateBridge bridge) {
    if (m_headless) {
        return;
    }
    final Collection<Unit> attackingNonAir = CollectionUtils.getMatches(m_attackingUnits, Matches.unitIsAir().negate());
    final Change noMovementChange = ChangeFactory.markNoMovementChange(attackingNonAir);
    if (!noMovementChange.isEmpty()) {
        bridge.addChange(noMovementChange);
    }
}

Example 13 with Change

use of games.strategy.engine.data.Change in project triplea by triplea-game.

the class MustFightBattle method reLoadTransports.

void reLoadTransports(final Collection<Unit> units, final CompositeChange change) {
    final Collection<Unit> transports = CollectionUtils.getMatches(units, Matches.unitCanTransport());
    // Put units back on their transports
    for (final Unit transport : transports) {
        final Collection<Unit> unloaded = TransportTracker.unloaded(transport);
        for (final Unit load : unloaded) {
            final Change loadChange = TransportTracker.loadTransportChange((TripleAUnit) transport, load);
            change.add(loadChange);
        }
    }
}

Example 14 with Change

use of games.strategy.engine.data.Change in project triplea by triplea-game.

the class MustFightBattle method fireNavalBombardment.

private void fireNavalBombardment(final IDelegateBridge bridge) {
    // TODO - check within the method for the bombarding limitations
    final Collection<Unit> bombard = getBombardingUnits();
    final Collection<Unit> attacked = CollectionUtils.getMatches(m_defendingUnits, Matches.unitIsNotInfrastructureAndNotCapturedOnEntering(m_attacker, m_battleSite, m_data));
    // bombarding units can't move after bombarding
    if (!m_headless) {
        final Change change = ChangeFactory.markNoMovementChange(bombard);
        bridge.addChange(change);
    }
    /*
     * TODO This code is actually a bug- the property is intended to tell if the return fire is
     * RESTRICTED- but it's used as if it's ALLOWED. The reason is the default values on the
     * property definition. However, fixing this will entail a fix to the XML to reverse
     * all values. We'll leave it as is for now and try to figure out a patch strategy later.
     */
    final boolean canReturnFire = isNavalBombardCasualtiesReturnFire();
    if (bombard.size() > 0 && attacked.size() > 0) {
        if (!m_headless) {
            bridge.getSoundChannelBroadcaster().playSoundForAll(SoundPath.CLIP_BATTLE_BOMBARD, m_attacker);
        }
        final List<Unit> allEnemyUnitsAliveOrWaitingToDie = new ArrayList<>();
        allEnemyUnitsAliveOrWaitingToDie.addAll(m_defendingUnits);
        allEnemyUnitsAliveOrWaitingToDie.addAll(m_defendingWaitingToDie);
        fire(SELECT_NAVAL_BOMBARDMENT_CASUALTIES, bombard, attacked, allEnemyUnitsAliveOrWaitingToDie, false, canReturnFire ? ReturnFire.ALL : ReturnFire.NONE, "Bombard");
    }
}

Example 15 with Change

use of games.strategy.engine.data.Change in project triplea by triplea-game.

the class NonFightingBattle method unitsLostInPrecedingBattle.

@Override
public void unitsLostInPrecedingBattle(final IBattle battle, final Collection<Unit> units, final IDelegateBridge bridge, final boolean withdrawn) {
    if (withdrawn) {
        return;
    }
    Collection<Unit> lost = getDependentUnits(units);
    lost.addAll(CollectionUtils.intersection(units, m_attackingUnits));
    lost = CollectionUtils.getMatches(lost, Matches.unitIsInTerritory(m_battleSite));
    if (lost.size() != 0) {
        final String transcriptText = MyFormatter.unitsToText(lost) + " lost in " + m_battleSite.getName();
        bridge.getHistoryWriter().addChildToEvent(transcriptText, lost);
        final Change change = ChangeFactory.removeUnits(m_battleSite, lost);
        bridge.addChange(change);
    }
}