Ejemplo n.º 1
0
    def get_fleet_role(self, fleet_id, force_new=False):
        """Returns fleet role by ID."""

        if not force_new and fleet_id in self.__fleetRoleByID:
            return self.__fleetRoleByID[fleet_id]
        else:
            role = FleetUtilsAI.assess_fleet_role(fleet_id)
            self.__fleetRoleByID[fleet_id] = role
            make_aggressive = False
            if role in [MissionType.COLONISATION,
                        MissionType.OUTPOST,
                        MissionType.ORBITAL_INVASION,
                        MissionType.ORBITAL_OUTPOST
                        ]:
                pass
            elif role in [MissionType.EXPLORATION,
                          MissionType.INVASION
                          ]:
                this_rating = self.get_rating(fleet_id)  # Done!
                n_ships = self.fleetStatus.get(fleet_id, {}).get('nships', 1)  # entry sould exist due to above line
                if float(this_rating) / n_ships >= 0.5 * MilitaryAI.cur_best_mil_ship_rating():
                    make_aggressive = True
            else:
                make_aggressive = True
            fo.issueAggressionOrder(fleet_id, make_aggressive)
            return role
Ejemplo n.º 2
0
    def get_fleet_role(self, fleet_id, force_new=False):
        """Returns fleet role by ID."""

        if not force_new and fleet_id in self.__fleetRoleByID:
            return self.__fleetRoleByID[fleet_id]
        else:
            role = FleetUtilsAI.assess_fleet_role(fleet_id)
            self.__fleetRoleByID[fleet_id] = role
            make_aggressive = False
            if role in [MissionType.COLONISATION,
                        MissionType.OUTPOST,
                        MissionType.ORBITAL_INVASION,
                        MissionType.ORBITAL_OUTPOST
                        ]:
                pass
            elif role in [MissionType.EXPLORATION,
                          MissionType.INVASION
                          ]:
                this_rating = self.get_rating(fleet_id)  # Done!
                n_ships = self.fleetStatus.get(fleet_id, {}).get('nships', 1)  # entry sould exist due to above line
                if float(this_rating) / n_ships >= 0.5 * MilitaryAI.cur_best_mil_ship_rating():
                    make_aggressive = True
            else:
                make_aggressive = True
            fo.issueAggressionOrder(fleet_id, make_aggressive)
            return role
Ejemplo n.º 3
0
def _determine_colony_threat_factor(planet_id, spec_name, existing_presence):
    universe = fo.getUniverse()
    planet = universe.getPlanet(planet_id)
    if not planet:  # should have been checked previously, but belt-and-suspenders
        error("Can't retrieve planet ID %d" % planet_id)
        return 0
    sys_status = get_aistate().systemStatus.get(planet.systemID, {})
    cur_best_mil_ship_rating = max(MilitaryAI.cur_best_mil_ship_rating(),
                                   0.001)
    local_defenses = sys_status.get("all_local_defenses", 0)
    local_threat = sys_status.get("fleetThreat", 0) + sys_status.get(
        "monsterThreat", 0)
    neighbor_threat = sys_status.get("neighborThreat", 0)
    jump2_threat = 0.6 * max(
        0,
        sys_status.get("jump2_threat", 0) -
        sys_status.get("my_neighbor_rating", 0))
    area_threat = neighbor_threat + jump2_threat
    area_threat *= 2.0 / (
        existing_presence + 2
    )  # once we have a foothold be less scared off by area threats
    # TODO: evaluate detectability by specific source of area threat, also consider if the subject AI already has
    # researched techs that would grant a stealth bonus
    local_enemies = sys_status.get("enemies_nearly_supplied", [])
    # could more conservatively base detection on get_aistate().misc.get("observed_empires")
    if not EspionageAI.colony_detectable_by_empire(
            planet_id, spec_name, empire=local_enemies, default_result=True):
        area_threat *= 0.05
    net_threat = max(0, local_threat + area_threat - local_defenses)
    # even if our military has lost all warships, rate planets as if we have at least one
    reference_rating = max(
        cur_best_mil_ship_rating,
        MilitaryAI.get_preferred_max_military_portion_for_single_battle() *
        MilitaryAI.get_concentrated_tot_mil_rating(),
    )
    threat_factor = min(1.0, reference_rating / (net_threat + 0.001))**2
    if threat_factor < 0.5:
        mil_ref_string = "Military rating reference: %.1f" % reference_rating
        debug(
            "Significant threat discounting %2d%% at %s, local defense: %.1f, local threat %.1f, area threat %.1f"
            % (100 * (1 - threat_factor), planet.name, local_defenses,
               local_threat, area_threat) + mil_ref_string)
    return threat_factor
Ejemplo n.º 4
0
    def issue_fleet_orders(self):
        """issues AIFleetOrders which can be issued in system and moves to next one if is possible"""
        # TODO: priority
        order_completed = True

        debug("\nChecking orders for fleet %s (on turn %d), with mission type %s and target %s",
              self.fleet.get_object(), fo.currentTurn(), self.type or 'No mission', self.target or 'No Target')
        if MissionType.INVASION == self.type:
            self._check_retarget_invasion()
        just_issued_move_order = False
        last_move_target_id = INVALID_ID
        # Note: the following abort check somewhat assumes only one major mission type
        for fleet_order in self.orders:
            if (isinstance(fleet_order, (OrderColonize, OrderOutpost, OrderInvade)) and
                    self._check_abort_mission(fleet_order)):
                return
        aistate = get_aistate()
        for fleet_order in self.orders:
            if just_issued_move_order and self.fleet.get_object().systemID != last_move_target_id:
                # having just issued a move order, we will normally stop issuing orders this turn, except that if there
                # are consecutive move orders we will consider moving through the first destination rather than stopping
                # Without the below noinspection directive, PyCharm is concerned about the 2nd part of the test
                # noinspection PyTypeChecker
                if (not isinstance(fleet_order, OrderMove) or
                        self.need_to_pause_movement(last_move_target_id, fleet_order)):
                    break
            debug("Checking order: %s" % fleet_order)
            self.check_mergers(context=str(fleet_order))
            if fleet_order.can_issue_order(verbose=False):
                # only move if all other orders completed
                if isinstance(fleet_order, OrderMove) and order_completed:
                    debug("Issuing fleet order %s" % fleet_order)
                    fleet_order.issue_order()
                    just_issued_move_order = True
                    last_move_target_id = fleet_order.target.id
                elif not isinstance(fleet_order, OrderMove):
                    debug("Issuing fleet order %s" % fleet_order)
                    fleet_order.issue_order()
                else:
                    debug("NOT issuing (even though can_issue) fleet order %s" % fleet_order)
                status_words = tuple(["not", ""][_s] for _s in [fleet_order.order_issued, fleet_order.executed])
                debug("Order %s issued and %s fully executed." % status_words)
                if not fleet_order.executed:
                    order_completed = False
            else:  # check that we're not held up by a Big Monster
                if fleet_order.order_issued:
                    # A previously issued order that wasn't instantly executed must have had cirumstances change so that
                    # the order can't currently be reissued (or perhaps simply a savegame has been reloaded on the same
                    # turn the order was issued).
                    if not fleet_order.executed:
                        order_completed = False
                    # Go on to the next order.
                    continue
                debug("CAN'T issue fleet order %s because:" % fleet_order)
                fleet_order.can_issue_order(verbose=True)
                if isinstance(fleet_order, OrderMove):
                    this_system_id = fleet_order.target.id
                    this_status = aistate.systemStatus.setdefault(this_system_id, {})
                    threat_threshold = fo.currentTurn() * MilitaryAI.cur_best_mil_ship_rating() / 4.0
                    if this_status.get('monsterThreat', 0) > threat_threshold:
                        # if this move order is not this mil fleet's final destination, and blocked by Big Monster,
                        # release and hope for more effective reassignment
                        if (self.type not in (MissionType.MILITARY, MissionType.SECURE) or
                                fleet_order != self.orders[-1]):
                            debug("Aborting mission due to being blocked by Big Monster at system %d, threat %d" % (
                                this_system_id, aistate.systemStatus[this_system_id]['monsterThreat']))
                            debug("Full set of orders were:")
                            for this_order in self.orders:
                                debug(" - %s" % this_order)
                            self.clear_fleet_orders()
                            self.clear_target()
                            return
                break  # do not order the next order until this one is finished.
        else:  # went through entire order list
            if order_completed:
                debug("Final order is completed")
                orders = self.orders
                last_order = orders[-1] if orders else None
                universe = fo.getUniverse()

                if last_order and isinstance(last_order, OrderColonize):
                    planet = universe.getPlanet(last_order.target.id)
                    sys_partial_vis_turn = get_partial_visibility_turn(planet.systemID)
                    planet_partial_vis_turn = get_partial_visibility_turn(planet.id)
                    if (planet_partial_vis_turn == sys_partial_vis_turn and
                            not planet.initialMeterValue(fo.meterType.population)):
                        warn("Fleet %d has tentatively completed its "
                             "colonize mission but will wait to confirm population." % self.fleet.id)
                        debug("    Order details are %s" % last_order)
                        debug("    Order is valid: %s; issued: %s; executed: %s" % (
                            last_order.is_valid(), last_order.order_issued, last_order.executed))
                        if not last_order.is_valid():
                            source_target = last_order.fleet
                            target_target = last_order.target
                            debug("        source target validity: %s; target target validity: %s " % (
                                bool(source_target), bool(target_target)))
                        return  # colonize order must not have completed yet
                clear_all = True
                last_sys_target = INVALID_ID
                if last_order and isinstance(last_order, OrderMilitary):
                    last_sys_target = last_order.target.id
                    # not doing this until decide a way to release from a SECURE mission
                    # if (MissionType.SECURE == self.type) or
                    secure_targets = set(AIstate.colonyTargetedSystemIDs +
                                         AIstate.outpostTargetedSystemIDs +
                                         AIstate.invasionTargetedSystemIDs)
                    if last_sys_target in secure_targets:  # consider a secure mission
                        if last_sys_target in AIstate.colonyTargetedSystemIDs:
                            secure_type = "Colony"
                        elif last_sys_target in AIstate.outpostTargetedSystemIDs:
                            secure_type = "Outpost"
                        elif last_sys_target in AIstate.invasionTargetedSystemIDs:
                            secure_type = "Invasion"
                        else:
                            secure_type = "Unidentified"
                        debug("Fleet %d has completed initial stage of its mission "
                              "to secure system %d (targeted for %s), "
                              "may release a portion of ships" % (self.fleet.id, last_sys_target, secure_type))
                        clear_all = False

                # for PROTECT_REGION missions, only release fleet if no more threat
                if self.type == MissionType.PROTECT_REGION:
                    # use military logic code below to determine if can release
                    # any or even all of the ships.
                    clear_all = False
                    last_sys_target = self.target.id
                    debug("Check if PROTECT_REGION mission with target %d is finished.", last_sys_target)

                fleet_id = self.fleet.id
                if clear_all:
                    if orders:
                        debug("Fleet %d has completed its mission; clearing all orders and targets." % self.fleet.id)
                        debug("Full set of orders were:")
                        for this_order in orders:
                            debug("\t\t %s" % this_order)
                        self.clear_fleet_orders()
                        self.clear_target()
                        if aistate.get_fleet_role(fleet_id) in (MissionType.MILITARY, MissionType.SECURE):
                            allocations = MilitaryAI.get_military_fleets(mil_fleets_ids=[fleet_id],
                                                                         try_reset=False,
                                                                         thisround="Fleet %d Reassignment" % fleet_id)
                            if allocations:
                                MilitaryAI.assign_military_fleets_to_systems(use_fleet_id_list=[fleet_id],
                                                                             allocations=allocations)
                    else:  # no orders
                        debug("No Current Orders")
                else:
                    potential_threat = CombatRatingsAI.combine_ratings(
                        MilitaryAI.get_system_local_threat(last_sys_target),
                        MilitaryAI.get_system_neighbor_threat(last_sys_target)
                    )
                    threat_present = potential_threat > 0
                    debug("Fleet threat present? %s", threat_present)
                    target_system = universe.getSystem(last_sys_target)
                    if not threat_present and target_system:
                        for pid in target_system.planetIDs:
                            planet = universe.getPlanet(pid)
                            if (planet and
                                    planet.owner != fo.empireID() and
                                    planet.currentMeterValue(fo.meterType.maxDefense) > 0):
                                debug("Found local planetary threat: %s", planet)
                                threat_present = True
                                break
                    if not threat_present:
                        debug("No current threat in target system; releasing a portion of ships.")
                        # at least first stage of current task is done;
                        # release extra ships for potential other deployments
                        new_fleets = FleetUtilsAI.split_fleet(self.fleet.id)
                        if self.type == MissionType.PROTECT_REGION:
                            self.clear_fleet_orders()
                            self.clear_target()
                            new_fleets.append(self.fleet.id)
                    else:
                        debug("Threat remains in target system; Considering to release some ships.")
                        new_fleets = []
                        fleet_portion_to_remain = self._portion_of_fleet_needed_here()
                        if fleet_portion_to_remain > 1:
                            debug("Can not release fleet yet due to large threat.")
                        elif fleet_portion_to_remain > 0:
                            debug("Not all ships are needed here - considering releasing a few")
                            fleet_remaining_rating = CombatRatingsAI.get_fleet_rating(fleet_id)
                            fleet_min_rating = fleet_portion_to_remain * fleet_remaining_rating
                            debug("Starting rating: %.1f, Target rating: %.1f",
                                  fleet_remaining_rating, fleet_min_rating)
                            allowance = CombatRatingsAI.rating_needed(fleet_remaining_rating, fleet_min_rating)
                            debug("May release ships with total rating of %.1f", allowance)
                            ship_ids = list(self.fleet.get_object().shipIDs)
                            for ship_id in ship_ids:
                                ship_rating = CombatRatingsAI.get_ship_rating(ship_id)
                                debug("Considering to release ship %d with rating %.1f", ship_id, ship_rating)
                                if ship_rating > allowance:
                                    debug("Remaining rating insufficient. Not released.")
                                    continue
                                debug("Splitting from fleet.")
                                new_fleet_id = FleetUtilsAI.split_ship_from_fleet(fleet_id, ship_id)
                                if assertion_fails(new_fleet_id and new_fleet_id != INVALID_ID):
                                    break
                                new_fleets.append(new_fleet_id)
                                fleet_remaining_rating = CombatRatingsAI.rating_difference(
                                    fleet_remaining_rating, ship_rating)
                                allowance = CombatRatingsAI.rating_difference(
                                    fleet_remaining_rating, fleet_min_rating)
                                debug("Remaining fleet rating: %.1f - Allowance: %.1f",
                                      fleet_remaining_rating, allowance)
                            if new_fleets:
                                aistate.get_fleet_role(fleet_id, force_new=True)
                                aistate.update_fleet_rating(fleet_id)
                                aistate.ensure_have_fleet_missions(new_fleets)
                        else:
                            debug("Planetary defenses are deemed sufficient. Release fleet.")
                            new_fleets = FleetUtilsAI.split_fleet(self.fleet.id)

                    new_military_fleets = []
                    for fleet_id in new_fleets:
                        if aistate.get_fleet_role(fleet_id) in COMBAT_MISSION_TYPES:
                            new_military_fleets.append(fleet_id)
                    allocations = []
                    if new_military_fleets:
                        allocations = MilitaryAI.get_military_fleets(
                            mil_fleets_ids=new_military_fleets,
                            try_reset=False,
                            thisround="Fleet Reassignment %s" % new_military_fleets
                        )
                    if allocations:
                        MilitaryAI.assign_military_fleets_to_systems(use_fleet_id_list=new_military_fleets,
                                                                     allocations=allocations)
Ejemplo n.º 5
0
    def issue_fleet_orders(self):
        """issues AIFleetOrders which can be issued in system and moves to next one if is possible"""
        # TODO: priority
        order_completed = True
        print
        print "Checking orders for fleet %s (on turn %d), with mission type %s" % (self.fleet.get_object(), fo.currentTurn(), self.type or 'No mission')
        if MissionType.INVASION == self.type:
            self._check_retarget_invasion()
        for fleet_order in self.orders:
            print "Checking order: %s" % fleet_order
            if isinstance(fleet_order, (OrderColonize, OrderOutpost, OrderInvade)):  # TODO: invasion?
                if self._check_abort_mission(fleet_order):
                    print "Aborting fleet order %s" % fleet_order
                    return
            self.check_mergers(context=str(fleet_order))
            if fleet_order.can_issue_order(verbose=False):
                if isinstance(fleet_order, OrderMove) and order_completed:  # only move if all other orders completed
                    print "Issuing fleet order %s" % fleet_order
                    fleet_order.issue_order()
                elif not isinstance(fleet_order, OrderMove):
                    print "Issuing fleet order %s" % fleet_order
                    fleet_order.issue_order()
                else:
                    print "NOT issuing (even though can_issue) fleet order %s" % fleet_order
                print "Order issued: %s" % fleet_order.order_issued
                if not fleet_order.order_issued:
                    order_completed = False
            else:  # check that we're not held up by a Big Monster
                if fleet_order.order_issued:
                    # It's unclear why we'd really get to this spot, but it has been observed to happen, perhaps due to
                    # game being reloaded after code changes.
                    # Go on to the next order.
                    continue
                print "CAN'T issue fleet order %s" % fleet_order
                if isinstance(fleet_order, OrderMove):
                    this_system_id = fleet_order.target.id
                    this_status = foAI.foAIstate.systemStatus.setdefault(this_system_id, {})
                    if this_status.get('monsterThreat', 0) > fo.currentTurn() * MilitaryAI.cur_best_mil_ship_rating() / 4.0:
                        if (self.type not in (MissionType.MILITARY,
                                              MissionType.SECURE) or
                            fleet_order != self.orders[-1]  # if this move order is not this mil fleet's final destination, and blocked by Big Monster, release and hope for more effective reassignment
                            ):
                            print "Aborting mission due to being blocked by Big Monster at system %d, threat %d" % (this_system_id, foAI.foAIstate.systemStatus[this_system_id]['monsterThreat'])
                            print "Full set of orders were:"
                            for this_order in self.orders:
                                print " - %s" % this_order
                            self.clear_fleet_orders()
                            self.clear_target()
                            return
            # moving to another system stops issuing all orders in system where fleet is
            # move order is also the last order in system
            if isinstance(fleet_order, OrderMove):
                fleet = self.fleet.get_object()
                if fleet.systemID != fleet_order.target.id:
                    break
        else:  # went through entire order list
            if order_completed:
                print "Final order is completed"
                orders = self.orders
                last_order = orders[-1] if orders else None
                universe = fo.getUniverse()

                if last_order and isinstance(last_order, OrderColonize):
                    planet = universe.getPlanet(last_order.target.id)
                    sys_partial_vis_turn = universe.getVisibilityTurnsMap(planet.systemID, fo.empireID()).get(fo.visibility.partial, -9999)
                    planet_partial_vis_turn = universe.getVisibilityTurnsMap(planet.id, fo.empireID()).get(fo.visibility.partial, -9999)
                    if planet_partial_vis_turn == sys_partial_vis_turn and not planet.currentMeterValue(fo.meterType.population):
                        print "Potential Error: Fleet %d has tentatively completed its colonize mission but will wait to confirm population." % self.fleet.id
                        print "    Order details are %s" % last_order
                        print "    Order is valid: %s; issued: %s; executed: %s" % (last_order.is_valid(), last_order.order_issued, last_order.executed)
                        if not last_order.is_valid():
                            source_target = last_order.fleet
                            target_target = last_order.target
                            print "        source target validity: %s; target target validity: %s " % (bool(source_target), bool(target_target))
                        return  # colonize order must not have completed yet
                clear_all = True
                last_sys_target = -1
                if last_order and isinstance(last_order, OrderMilitary):
                    last_sys_target = last_order.target.id
                    # if (MissionType.SECURE == self.type) or # not doing this until decide a way to release from a SECURE mission
                    secure_targets = set(AIstate.colonyTargetedSystemIDs + AIstate.outpostTargetedSystemIDs + AIstate.invasionTargetedSystemIDs + AIstate.blockadeTargetedSystemIDs)
                    if last_sys_target in secure_targets:  # consider a secure mission
                        if last_sys_target in AIstate.colonyTargetedSystemIDs:
                            secure_type = "Colony"
                        elif last_sys_target in AIstate.outpostTargetedSystemIDs:
                            secure_type = "Outpost"
                        elif last_sys_target in AIstate.invasionTargetedSystemIDs:
                            secure_type = "Invasion"
                        elif last_sys_target in AIstate.blockadeTargetedSystemIDs:
                            secure_type = "Blockade"
                        else:
                            secure_type = "Unidentified"
                        print "Fleet %d has completed initial stage of its mission to secure system %d (targeted for %s), may release a portion of ships" % (self.fleet.id, last_sys_target, secure_type)
                        clear_all = False
                fleet_id = self.fleet.id
                if clear_all:
                    if orders:
                        print "Fleet %d has completed its mission; clearing all orders and targets." % self.fleet.id
                        print "Full set of orders were:"
                        for this_order in orders:
                            print "\t\t %s" % this_order
                        self.clear_fleet_orders()
                        self.clear_target()
                        if foAI.foAIstate.get_fleet_role(fleet_id) in (MissionType.MILITARY,
                                                                       MissionType.SECURE):
                            allocations = MilitaryAI.get_military_fleets(mil_fleets_ids=[fleet_id], try_reset=False, thisround="Fleet %d Reassignment" % fleet_id)
                            if allocations:
                                MilitaryAI.assign_military_fleets_to_systems(use_fleet_id_list=[fleet_id], allocations=allocations)
                    else:  # no orders
                        print "No Current Orders"
                else:
                    # TODO: evaluate releasing a smaller portion or none of the ships
                    system_status = foAI.foAIstate.systemStatus.setdefault(last_sys_target, {})
                    new_fleets = []
                    threat_present = (system_status.get('totalThreat', 0) != 0) or (system_status.get('neighborThreat', 0) != 0)
                    target_system = universe.getSystem(last_sys_target)
                    if not threat_present and target_system:
                        for pid in target_system.planetIDs:
                            planet = universe.getPlanet(pid)
                            if planet and planet.owner != fo.empireID() and planet.currentMeterValue(fo.meterType.maxDefense) > 0:
                                threat_present = True
                                break
                    if not threat_present:
                        print "No current threat in target system; releasing a portion of ships."
                        new_fleets = FleetUtilsAI.split_fleet(self.fleet.id)  # at least first stage of current task is done; release extra ships for potential other deployments
                    else:
                        print "Threat remains in target system; NOT releasing any ships."
                    new_military_fleets = []
                    for fleet_id in new_fleets:
                        if foAI.foAIstate.get_fleet_role(fleet_id) in COMBAT_MISSION_TYPES:
                            new_military_fleets.append(fleet_id)
                    allocations = []
                    if new_military_fleets:
                        allocations = MilitaryAI.get_military_fleets(mil_fleets_ids=new_military_fleets, try_reset=False, thisround="Fleet Reassignment %s" % new_military_fleets)
                    if allocations:
                        MilitaryAI.assign_military_fleets_to_systems(use_fleet_id_list=new_military_fleets, allocations=allocations)
Ejemplo n.º 6
0
def evaluate_invasion_planet(planet_id, secure_fleet_missions, verbose=True):
    """Return the invasion value (score, troops) of a planet."""
    detail = []
    building_values = {"BLD_IMPERIAL_PALACE": 1000,
                       "BLD_CULTURE_ARCHIVES": 1000,
                       "BLD_AUTO_HISTORY_ANALYSER": 100,
                       "BLD_SHIPYARD_BASE": 100,
                       "BLD_SHIPYARD_ORG_ORB_INC": 200,
                       "BLD_SHIPYARD_ORG_XENO_FAC": 200,
                       "BLD_SHIPYARD_ORG_CELL_GRO_CHAMB": 200,
                       "BLD_SHIPYARD_CON_NANOROBO": 300,
                       "BLD_SHIPYARD_CON_GEOINT": 400,
                       "BLD_SHIPYARD_CON_ADV_ENGINE": 1000,
                       "BLD_SHIPYARD_AST": 300,
                       "BLD_SHIPYARD_AST_REF": 1000,
                       "BLD_SHIPYARD_ENRG_SOLAR": 1500,
                       "BLD_INDUSTRY_CENTER": 500,
                       "BLD_GAS_GIANT_GEN": 200,
                       "BLD_SOL_ORB_GEN": 800,
                       "BLD_BLACK_HOLE_POW_GEN": 2000,
                       "BLD_ENCLAVE_VOID": 500,
                       "BLD_NEUTRONIUM_EXTRACTOR": 2000,
                       "BLD_NEUTRONIUM_SYNTH": 2000,
                       "BLD_NEUTRONIUM_FORGE": 1000,
                       "BLD_CONC_CAMP": 100,
                       "BLD_BIOTERROR_PROJECTOR": 1000,
                       "BLD_SHIPYARD_ENRG_COMP": 3000,
                       }
    # TODO: add more factors, as used for colonization
    universe = fo.getUniverse()
    empire_id = fo.empireID()
    max_jumps = 8
    planet = universe.getPlanet(planet_id)
    if planet is None:  # TODO: exclude planets with stealth higher than empireDetection
        print "invasion AI couldn't access any info for planet id %d" % planet_id
        return [0, 0]

    sys_partial_vis_turn = get_partial_visibility_turn(planet.systemID)
    planet_partial_vis_turn = get_partial_visibility_turn(planet_id)

    if planet_partial_vis_turn < sys_partial_vis_turn:
        print "invasion AI couldn't get current info on planet id %d (was stealthed at last sighting)" % planet_id
        # TODO: track detection strength, order new scouting when it goes up
        return [0, 0]  # last time we had partial vis of the system, the planet was stealthed to us

    species_name = planet.speciesName
    species = fo.getSpecies(species_name)
    if not species or AIDependencies.TAG_DESTROYED_ON_CONQUEST in species.tags:
        # this call iterates over this Empire's available species with which it could colonize after an invasion
        planet_eval = ColonisationAI.assign_colonisation_values([planet_id], MissionType.INVASION, None, detail)
        pop_val = max(0.75 * planet_eval.get(planet_id, [0])[0],
                      ColonisationAI.evaluate_planet(planet_id, MissionType.OUTPOST, None, detail))
    else:
        pop_val = ColonisationAI.evaluate_planet(planet_id, MissionType.INVASION, species_name, detail)

    bld_tally = 0
    for bldType in [universe.getBuilding(bldg).buildingTypeName for bldg in planet.buildingIDs]:
        bval = building_values.get(bldType, 50)
        bld_tally += bval
        detail.append("%s: %d" % (bldType, bval))

    tech_tally = 0
    for unlocked_tech in AIDependencies.SPECIES_TECH_UNLOCKS.get(species_name, []):
        if not tech_is_complete(unlocked_tech):
            rp_cost = fo.getTech(unlocked_tech).researchCost(empire_id)
            tech_tally += rp_cost * 4
            detail.append("%s: %d" % (unlocked_tech, rp_cost * 4))

    p_sys_id = planet.systemID
    capitol_id = PlanetUtilsAI.get_capital()
    least_jumps_path = []
    clear_path = True
    if capitol_id:
        homeworld = universe.getPlanet(capitol_id)
        if homeworld:
            home_system_id = homeworld.systemID
            eval_system_id = planet.systemID
            if (home_system_id != INVALID_ID) and (eval_system_id != INVALID_ID):
                least_jumps_path = list(universe.leastJumpsPath(home_system_id, eval_system_id, empire_id))
                max_jumps = len(least_jumps_path)
    system_status = foAI.foAIstate.systemStatus.get(p_sys_id, {})
    system_fleet_treat = system_status.get('fleetThreat', 1000)
    system_monster_threat = system_status.get('monsterThreat', 0)
    sys_total_threat = system_fleet_treat + system_monster_threat + system_status.get('planetThreat', 0)
    max_path_threat = system_fleet_treat
    mil_ship_rating = MilitaryAI.cur_best_mil_ship_rating()
    for path_sys_id in least_jumps_path:
        path_leg_status = foAI.foAIstate.systemStatus.get(path_sys_id, {})
        path_leg_threat = path_leg_status.get('fleetThreat', 1000) + path_leg_status.get('monsterThreat', 0)
        if path_leg_threat > 0.5 * mil_ship_rating:
            clear_path = False
            if path_leg_threat > max_path_threat:
                max_path_threat = path_leg_threat

    pop = planet.currentMeterValue(fo.meterType.population)
    target_pop = planet.currentMeterValue(fo.meterType.targetPopulation)
    troops = planet.currentMeterValue(fo.meterType.troops)
    max_troops = planet.currentMeterValue(fo.meterType.maxTroops)
    # TODO: refactor troop determination into function for use in mid-mission updates and also consider defender techs
    max_troops += AIDependencies.TROOPS_PER_POP * (target_pop - pop)

    this_system = universe.getSystem(p_sys_id)
    secure_targets = [p_sys_id] + list(this_system.planetIDs)
    system_secured = False
    for mission in secure_fleet_missions:
        if system_secured:
            break
        secure_fleet_id = mission.fleet.id
        s_fleet = universe.getFleet(secure_fleet_id)
        if not s_fleet or s_fleet.systemID != p_sys_id:
            continue
        if mission.type == MissionType.SECURE:
            target_obj = mission.target.get_object()
            if target_obj is not None and target_obj.id in secure_targets:
                system_secured = True
                break
    system_secured = system_secured and system_status.get('myFleetRating', 0)

    if verbose:
        print ("Invasion eval of %s\n"
               " - maxShields: %.1f\n"
               " - sysFleetThreat: %.1f\n"
               " - sysMonsterThreat: %.1f") % (
            planet, planet.currentMeterValue(fo.meterType.maxShield), system_fleet_treat,
            system_monster_threat)
    supply_val = 0
    enemy_val = 0
    if planet.owner != -1:  # value in taking this away from an enemy
        enemy_val = 20 * (planet.currentMeterValue(fo.meterType.targetIndustry) +
                          2*planet.currentMeterValue(fo.meterType.targetResearch))
    if p_sys_id in ColonisationAI.annexable_system_ids:  # TODO: extend to rings
        supply_val = 100
    elif p_sys_id in state.get_systems_by_supply_tier(-1):
        supply_val = 200
    elif p_sys_id in state.get_systems_by_supply_tier(-2):
        supply_val = 300
    elif p_sys_id in state.get_systems_by_supply_tier(-3):
        supply_val = 400
    if max_path_threat > 0.5 * mil_ship_rating:
        if max_path_threat < 3 * mil_ship_rating:
            supply_val *= 0.5
        else:
            supply_val *= 0.2

    # devalue invasions that would require too much military force
    threat_factor = min(1, 0.2*MilitaryAI.get_tot_mil_rating()/(sys_total_threat+0.001))**2

    design_id, _, locs = ProductionAI.get_best_ship_info(PriorityType.PRODUCTION_INVASION)
    if not locs or not universe.getPlanet(locs[0]):
        # We are in trouble anyway, so just calculate whatever approximation...
        build_time = 4
        planned_troops = troops if system_secured else min(troops + max_jumps + build_time, max_troops)
        planned_troops += .01  # we must attack with more troops than there are defenders
        troop_cost = math.ceil((planned_troops+_TROOPS_SAFETY_MARGIN) / 6.0) * 20 * FleetUtilsAI.get_fleet_upkeep()
    else:
        loc = locs[0]
        species_here = universe.getPlanet(loc).speciesName
        design = fo.getShipDesign(design_id)
        cost_per_ship = design.productionCost(empire_id, loc)
        build_time = design.productionTime(empire_id, loc)
        troops_per_ship = CombatRatingsAI.weight_attack_troops(design.troopCapacity,
                                                               CombatRatingsAI.get_species_troops_grade(species_here))
        planned_troops = troops if system_secured else min(troops + max_jumps + build_time, max_troops)
        planned_troops += .01  # we must attack with more troops than there are defenders
        ships_needed = math.ceil((planned_troops+_TROOPS_SAFETY_MARGIN) / float(troops_per_ship))
        troop_cost = ships_needed * cost_per_ship  # fleet upkeep is already included in query from server

    # apply some bias to expensive operations
    normalized_cost = float(troop_cost) / max(fo.getEmpire().productionPoints, 1)
    normalized_cost = max(1., normalized_cost)
    cost_score = (normalized_cost**2 / 50.0) * troop_cost

    base_score = pop_val + supply_val + bld_tally + tech_tally + enemy_val - cost_score
    planet_score = retaliation_risk_factor(planet.owner) * threat_factor * max(0, base_score)
    if clear_path:
        planet_score *= 1.5
    if verbose:
        print (' - planet score: %.2f\n'
               ' - troop score: %.2f\n'
               ' - projected troop cost: %.1f\n'
               ' - threat factor: %s\n'
               ' - planet detail: %s\n'
               ' - popval: %.1f\n'
               ' - supplyval: %.1f\n'
               ' - bldval: %s\n'
               ' - enemyval: %s') % (planet_score, planned_troops, troop_cost,
                                     threat_factor, detail, pop_val, supply_val, bld_tally, enemy_val)
    return [planet_score, planned_troops]
Ejemplo n.º 7
0
    def issue_fleet_orders(self):
        """issues AIFleetOrders which can be issued in system and moves to next one if is possible"""
        # TODO: priority
        order_completed = True

        debug("\nChecking orders for fleet %s (on turn %d), with mission type %s and target %s",
              self.fleet.get_object(), fo.currentTurn(), self.type or 'No mission', self.target or 'No Target')
        if MissionType.INVASION == self.type:
            self._check_retarget_invasion()
        just_issued_move_order = False
        last_move_target_id = INVALID_ID
        # Note: the following abort check somewhat assumes only one major mission type
        for fleet_order in self.orders:
            if (isinstance(fleet_order, (OrderColonize, OrderOutpost, OrderInvade)) and
                    self._check_abort_mission(fleet_order)):
                return
        aistate = get_aistate()
        for fleet_order in self.orders:
            if just_issued_move_order and self.fleet.get_object().systemID != last_move_target_id:
                # having just issued a move order, we will normally stop issuing orders this turn, except that if there
                # are consecutive move orders we will consider moving through the first destination rather than stopping
                # Without the below noinspection directive, PyCharm is concerned about the 2nd part of the test
                # noinspection PyTypeChecker
                if (not isinstance(fleet_order, OrderMove) or
                        self.need_to_pause_movement(last_move_target_id, fleet_order)):
                    break
            debug("Checking order: %s" % fleet_order)
            self.check_mergers(context=str(fleet_order))
            if fleet_order.can_issue_order(verbose=False):
                # only move if all other orders completed
                if isinstance(fleet_order, OrderMove) and order_completed:
                    debug("Issuing fleet order %s" % fleet_order)
                    fleet_order.issue_order()
                    just_issued_move_order = True
                    last_move_target_id = fleet_order.target.id
                elif not isinstance(fleet_order, OrderMove):
                    debug("Issuing fleet order %s" % fleet_order)
                    fleet_order.issue_order()
                else:
                    debug("NOT issuing (even though can_issue) fleet order %s" % fleet_order)
                status_words = tuple(["not", ""][_s] for _s in [fleet_order.order_issued, fleet_order.executed])
                debug("Order %s issued and %s fully executed." % status_words)
                if not fleet_order.executed:
                    order_completed = False
            else:  # check that we're not held up by a Big Monster
                if fleet_order.order_issued:
                    # A previously issued order that wasn't instantly executed must have had cirumstances change so that
                    # the order can't currently be reissued (or perhaps simply a savegame has been reloaded on the same
                    # turn the order was issued).
                    if not fleet_order.executed:
                        order_completed = False
                    # Go on to the next order.
                    continue
                debug("CAN'T issue fleet order %s because:" % fleet_order)
                fleet_order.can_issue_order(verbose=True)
                if isinstance(fleet_order, OrderMove):
                    this_system_id = fleet_order.target.id
                    this_status = aistate.systemStatus.setdefault(this_system_id, {})
                    threat_threshold = fo.currentTurn() * MilitaryAI.cur_best_mil_ship_rating() / 4.0
                    if this_status.get('monsterThreat', 0) > threat_threshold:
                        # if this move order is not this mil fleet's final destination, and blocked by Big Monster,
                        # release and hope for more effective reassignment
                        if (self.type not in (MissionType.MILITARY, MissionType.SECURE) or
                                fleet_order != self.orders[-1]):
                            debug("Aborting mission due to being blocked by Big Monster at system %d, threat %d" % (
                                this_system_id, aistate.systemStatus[this_system_id]['monsterThreat']))
                            debug("Full set of orders were:")
                            for this_order in self.orders:
                                debug(" - %s" % this_order)
                            self.clear_fleet_orders()
                            self.clear_target()
                            return
                break  # do not order the next order until this one is finished.
        else:  # went through entire order list
            if order_completed:
                debug("Final order is completed")
                orders = self.orders
                last_order = orders[-1] if orders else None
                universe = fo.getUniverse()

                if last_order and isinstance(last_order, OrderColonize):
                    planet = universe.getPlanet(last_order.target.id)
                    sys_partial_vis_turn = get_partial_visibility_turn(planet.systemID)
                    planet_partial_vis_turn = get_partial_visibility_turn(planet.id)
                    if (planet_partial_vis_turn == sys_partial_vis_turn and
                            not planet.initialMeterValue(fo.meterType.population)):
                        warning("Fleet %s has tentatively completed its "
                                "colonize mission but will wait to confirm population.", self.fleet)
                        debug("    Order details are %s" % last_order)
                        debug("    Order is valid: %s; issued: %s; executed: %s" % (
                            last_order.is_valid(), last_order.order_issued, last_order.executed))
                        if not last_order.is_valid():
                            source_target = last_order.fleet
                            target_target = last_order.target
                            debug("        source target validity: %s; target target validity: %s " % (
                                bool(source_target), bool(target_target)))
                        return  # colonize order must not have completed yet
                clear_all = True
                last_sys_target = INVALID_ID
                if last_order and isinstance(last_order, OrderMilitary):
                    last_sys_target = last_order.target.id
                    # not doing this until decide a way to release from a SECURE mission
                    # if (MissionType.SECURE == self.type) or
                    secure_targets = set(AIstate.colonyTargetedSystemIDs +
                                         AIstate.outpostTargetedSystemIDs +
                                         AIstate.invasionTargetedSystemIDs)
                    if last_sys_target in secure_targets:  # consider a secure mission
                        if last_sys_target in AIstate.colonyTargetedSystemIDs:
                            secure_type = "Colony"
                        elif last_sys_target in AIstate.outpostTargetedSystemIDs:
                            secure_type = "Outpost"
                        elif last_sys_target in AIstate.invasionTargetedSystemIDs:
                            secure_type = "Invasion"
                        else:
                            secure_type = "Unidentified"
                        debug("Fleet %d has completed initial stage of its mission "
                              "to secure system %d (targeted for %s), "
                              "may release a portion of ships" % (self.fleet.id, last_sys_target, secure_type))
                        clear_all = False

                # for PROTECT_REGION missions, only release fleet if no more threat
                if self.type == MissionType.PROTECT_REGION:
                    # use military logic code below to determine if can release
                    # any or even all of the ships.
                    clear_all = False
                    last_sys_target = self.target.id
                    debug("Check if PROTECT_REGION mission with target %d is finished.", last_sys_target)

                fleet_id = self.fleet.id
                if clear_all:
                    if orders:
                        debug("Fleet %d has completed its mission; clearing all orders and targets." % self.fleet.id)
                        debug("Full set of orders were:")
                        for this_order in orders:
                            debug("\t\t %s" % this_order)
                        self.clear_fleet_orders()
                        self.clear_target()
                        if aistate.get_fleet_role(fleet_id) in (MissionType.MILITARY, MissionType.SECURE):
                            allocations = MilitaryAI.get_military_fleets(mil_fleets_ids=[fleet_id],
                                                                         try_reset=False,
                                                                         thisround="Fleet %d Reassignment" % fleet_id)
                            if allocations:
                                MilitaryAI.assign_military_fleets_to_systems(use_fleet_id_list=[fleet_id],
                                                                             allocations=allocations)
                    else:  # no orders
                        debug("No Current Orders")
                else:
                    potential_threat = combine_ratings(
                        MilitaryAI.get_system_local_threat(last_sys_target),
                        MilitaryAI.get_system_neighbor_threat(last_sys_target)
                    )
                    threat_present = potential_threat > 0
                    debug("Fleet threat present? %s", threat_present)
                    target_system = universe.getSystem(last_sys_target)
                    if not threat_present and target_system:
                        for pid in target_system.planetIDs:
                            planet = universe.getPlanet(pid)
                            if (planet and
                                    planet.owner != fo.empireID() and
                                    planet.currentMeterValue(fo.meterType.maxDefense) > 0):
                                debug("Found local planetary threat: %s", planet)
                                threat_present = True
                                break
                    if not threat_present:
                        debug("No current threat in target system; releasing a portion of ships.")
                        # at least first stage of current task is done;
                        # release extra ships for potential other deployments
                        new_fleets = FleetUtilsAI.split_fleet(self.fleet.id)
                        if self.type == MissionType.PROTECT_REGION:
                            self.clear_fleet_orders()
                            self.clear_target()
                            new_fleets.append(self.fleet.id)
                    else:
                        debug("Threat remains in target system; Considering to release some ships.")
                        new_fleets = []
                        fleet_portion_to_remain = self._portion_of_fleet_needed_here()
                        if fleet_portion_to_remain >= 1:
                            debug("Can not release fleet yet due to large threat.")
                        elif fleet_portion_to_remain > 0:
                            debug("Not all ships are needed here - considering releasing a few")
                            # TODO: Rate against specific enemy threat cause
                            fleet_remaining_rating = CombatRatingsAI.get_fleet_rating(fleet_id)
                            fleet_min_rating = fleet_portion_to_remain * fleet_remaining_rating
                            debug("Starting rating: %.1f, Target rating: %.1f",
                                  fleet_remaining_rating, fleet_min_rating)
                            allowance = CombatRatingsAI.rating_needed(fleet_remaining_rating, fleet_min_rating)
                            debug("May release ships with total rating of %.1f", allowance)
                            ship_ids = list(self.fleet.get_object().shipIDs)
                            for ship_id in ship_ids:
                                ship_rating = CombatRatingsAI.get_ship_rating(ship_id)
                                debug("Considering to release ship %d with rating %.1f", ship_id, ship_rating)
                                if ship_rating > allowance:
                                    debug("Remaining rating insufficient. Not released.")
                                    continue
                                debug("Splitting from fleet.")
                                new_fleet_id = FleetUtilsAI.split_ship_from_fleet(fleet_id, ship_id)
                                if assertion_fails(new_fleet_id and new_fleet_id != INVALID_ID):
                                    break
                                new_fleets.append(new_fleet_id)
                                fleet_remaining_rating = CombatRatingsAI.rating_difference(
                                    fleet_remaining_rating, ship_rating)
                                allowance = CombatRatingsAI.rating_difference(
                                    fleet_remaining_rating, fleet_min_rating)
                                debug("Remaining fleet rating: %.1f - Allowance: %.1f",
                                      fleet_remaining_rating, allowance)
                            if new_fleets:
                                aistate.get_fleet_role(fleet_id, force_new=True)
                                aistate.update_fleet_rating(fleet_id)
                                aistate.ensure_have_fleet_missions(new_fleets)
                        else:
                            debug("Planetary defenses are deemed sufficient. Release fleet.")
                            new_fleets = FleetUtilsAI.split_fleet(self.fleet.id)

                    new_military_fleets = []
                    for fleet_id in new_fleets:
                        if aistate.get_fleet_role(fleet_id) in COMBAT_MISSION_TYPES:
                            new_military_fleets.append(fleet_id)
                    allocations = []
                    if new_military_fleets:
                        allocations = MilitaryAI.get_military_fleets(
                            mil_fleets_ids=new_military_fleets,
                            try_reset=False,
                            thisround="Fleet Reassignment %s" % new_military_fleets
                        )
                    if allocations:
                        MilitaryAI.assign_military_fleets_to_systems(use_fleet_id_list=new_military_fleets,
                                                                     allocations=allocations)
Ejemplo n.º 8
0
    def update_system_status(self):
        print 10 * "=", "Updating System Threats", 10 * "="
        universe = fo.getUniverse()
        empire = fo.getEmpire()
        empire_id = fo.empireID()
        destroyed_object_ids = universe.destroyedObjectIDs(empire_id)
        supply_unobstructed_systems = set(empire.supplyUnobstructedSystems)
        min_hidden_attack = 4
        min_hidden_health = 8
        system_id_list = universe.systemIDs  # will normally look at this, the list of all known systems

        # for use in debugging
        verbose = False

        # assess enemy fleets that may have been momentarily visible
        cur_e_fighters = {CombatRatingsAI.default_ship_stats().get_stats(hashable=True): [0]}  # start with a dummy entry
        old_e_fighters = {CombatRatingsAI.default_ship_stats().get_stats(hashable=True): [0]}  # start with a dummy entry
        enemy_fleet_ids = []
        enemies_by_system = {}
        my_fleets_by_system = {}
        fleet_spot_position = {}
        saw_enemies_at_system = {}
        my_milship_rating = MilitaryAI.cur_best_mil_ship_rating()
        current_turn = fo.currentTurn()
        for fleet_id in universe.fleetIDs:
            fleet = universe.getFleet(fleet_id)
            if fleet is None:
                continue
            if not fleet.empty:
                # TODO: check if currently in system and blockaded before accepting destination as location
                this_system_id = (fleet.nextSystemID != INVALID_ID and fleet.nextSystemID) or fleet.systemID
                if fleet.ownedBy(empire_id):
                    if fleet_id not in destroyed_object_ids:
                        my_fleets_by_system.setdefault(this_system_id, []).append(fleet_id)
                        fleet_spot_position.setdefault(fleet.systemID, []).append(fleet_id)
                else:
                    dead_fleet = fleet_id in destroyed_object_ids
                    if not fleet.ownedBy(-1) and (fleet.hasArmedShips or fleet.hasFighterShips):
                        ship_stats = CombatRatingsAI.FleetCombatStats(fleet_id).get_ship_stats(hashable=True)
                        e_f_dict = [cur_e_fighters, old_e_fighters][dead_fleet]  # track old/dead enemy fighters for rating assessments in case not enough current info
                        for stats in ship_stats:
                            attacks = stats[0]
                            if attacks:
                                e_f_dict.setdefault(stats, [0])[0] += 1
                    partial_vis_turn = universe.getVisibilityTurnsMap(fleet_id, empire_id).get(fo.visibility.partial, -9999)
                    if not dead_fleet:
                        # TODO: consider checking death of individual ships.  If ships had been moved from this fleet
                        # into another fleet, we might have witnessed their death in that other fleet but if this fleet
                        # had not been seen since before that transfer then the ships might also still be listed here.
                        sys_status = self.systemStatus.setdefault(this_system_id, {})
                        sys_status['enemy_ship_count'] = sys_status.get('enemy_ship_count', 0) + len(fleet.shipIDs)
                        if partial_vis_turn >= current_turn - 1:  # only interested in immediately recent data
                            saw_enemies_at_system[fleet.systemID] = True
                            enemy_fleet_ids.append(fleet_id)
                            enemies_by_system.setdefault(this_system_id, []).append(fleet_id)
                            if not fleet.ownedBy(-1):
                                self.misc.setdefault('enemies_sighted', {}).setdefault(current_turn, []).append(fleet_id)
                                rating = CombatRatingsAI.get_fleet_rating(fleet_id, enemy_stats=CombatRatingsAI.get_empire_standard_fighter())
                                if rating > 0.25 * my_milship_rating:
                                    self.misc.setdefault('dangerous_enemies_sighted', {}).setdefault(current_turn, []).append(fleet_id)
        e_f_dict = [cur_e_fighters, old_e_fighters][len(cur_e_fighters) == 1]
        std_fighter = sorted([(v, k) for k, v in e_f_dict.items()])[-1][1]
        self.__empire_standard_enemy = std_fighter
        self.empire_standard_enemy_rating = self.get_standard_enemy().get_rating()
        # TODO: If no current information available, rate against own fighters

        # assess fleet and planet threats & my local fleets
        for sys_id in system_id_list:
            sys_status = self.systemStatus.setdefault(sys_id, {})
            system = universe.getSystem(sys_id)
            if verbose:
                print "AIState threat evaluation for %s" % system
            # update fleets
            sys_status['myfleets'] = my_fleets_by_system.get(sys_id, [])
            sys_status['myFleetsAccessible'] = fleet_spot_position.get(sys_id, [])
            local_enemy_fleet_ids = enemies_by_system.get(sys_id, [])
            sys_status['localEnemyFleetIDs'] = local_enemy_fleet_ids
            if system:
                sys_status['name'] = system.name
                for fid in system.fleetIDs:
                    if fid in destroyed_object_ids:  # TODO: double check are these checks/deletes necessary?
                        self.delete_fleet_info(fid)  # this is safe even if fleet wasn't mine
                        continue
                    fleet = universe.getFleet(fid)
                    if not fleet or fleet.empty:
                        self.delete_fleet_info(fid)  # this is safe even if fleet wasn't mine
                        continue

            # update threats
            sys_vis_dict = universe.getVisibilityTurnsMap(sys_id, fo.empireID())
            partial_vis_turn = sys_vis_dict.get(fo.visibility.partial, -9999)
            mob_ratings = []  # for mobile unowned monster fleets
            lost_fleet_rating = 0
            enemy_ratings = []
            monster_ratings = []
            mobile_fleets = []
            for fid in local_enemy_fleet_ids:
                fleet = universe.getFleet(fid)
                if not fleet:
                    continue
                fleet_rating = CombatRatingsAI.get_fleet_rating(fid, enemy_stats=CombatRatingsAI.get_empire_standard_fighter())
                if fleet.speed == 0:
                    monster_ratings.append(fleet_rating)
                    if verbose:
                        print "\t immobile enemy fleet %s has rating %.1f" % (fleet, fleet_rating)
                else:
                    if verbose:
                        print "\t mobile enemy fleet %s has rating %.1f" % (fleet, fleet_rating)
                    mobile_fleets.append(fid)
                    if fleet.unowned:
                        mob_ratings.append(fleet_rating)
                    else:
                        enemy_ratings.append(fleet_rating)
            enemy_rating = CombatRatingsAI.combine_ratings_list(enemy_ratings)
            monster_rating = CombatRatingsAI.combine_ratings_list(monster_ratings)
            mob_rating = CombatRatingsAI.combine_ratings_list(mob_ratings)
            if fleetsLostBySystem.get(sys_id, []):
                lost_fleet_rating = CombatRatingsAI.combine_ratings_list(fleetsLostBySystem[sys_id])
            if not system or partial_vis_turn == -9999:  # under current visibility rules should not be possible to have any losses or other info here, but just in case...
                if verbose:
                    print "Have never had partial vis for system %d ( %s ) -- basing threat assessment on old info and lost ships" % (sys_id, sys_status.get('name', "name unknown"))
                sys_status.setdefault('local_fleet_threats', set())
                sys_status['planetThreat'] = 0
                sys_status['fleetThreat'] = int(max(CombatRatingsAI.combine_ratings(enemy_rating, mob_rating), 0.98 * sys_status.get('fleetThreat', 0), 1.1 * lost_fleet_rating - monster_rating))
                sys_status['monsterThreat'] = int(max(monster_rating, 0.98 * sys_status.get('monsterThreat', 0), 1.1 * lost_fleet_rating - enemy_rating - mob_rating))
                sys_status['enemy_threat'] = int(max(enemy_rating, 0.98 * sys_status.get('enemy_threat', 0), 1.1 * lost_fleet_rating - monster_rating - mob_rating))
                sys_status['mydefenses'] = {'overall': 0, 'attack': 0, 'health': 0}
                sys_status['totalThreat'] = sys_status['fleetThreat']
                sys_status['regional_fleet_threats'] = sys_status['local_fleet_threats'].copy()
                continue

            # have either stale or current info
            pattack = 0
            phealth = 0
            mypattack, myphealth = 0, 0
            for pid in system.planetIDs:
                prating = self.assess_planet_threat(pid, sighting_age=current_turn - partial_vis_turn)
                planet = universe.getPlanet(pid)
                if not planet:
                    continue
                if planet.owner == self.empireID:  # TODO: check for diplomatic status
                    mypattack += prating['attack']
                    myphealth += prating['health']
                else:
                    if [special for special in planet.specials if "_NEST_" in special]:
                        sys_status['nest_threat'] = 100
                    pattack += prating['attack']
                    phealth += prating['health']
            sys_status['planetThreat'] = pattack * phealth
            sys_status['mydefenses'] = {'overall': mypattack * myphealth, 'attack': mypattack, 'health': myphealth}

            if max(sys_status.get('totalThreat', 0), pattack * phealth) >= 0.6 * lost_fleet_rating:  # previous threat assessment could account for losses, ignore the losses now
                lost_fleet_rating = 0

            # TODO use sitrep combat info rather than estimating stealthed enemies by fleets lost to them
            # TODO also only consider past stealthed fleet threat to still be present if the system is still obstructed
            # TODO: track visibility across turns in order to distinguish the blip of visibility in (losing) combat,
            # which FO currently treats as being for the previous turn, partially superseding the previous visibility for that turn
            if not partial_vis_turn == current_turn:  # (universe.getVisibility(sys_id, self.empire_id) >= fo.visibility.partial):
                sys_status.setdefault('local_fleet_threats', set())
                sys_status['currently_visible'] = False
                # print "Stale visibility for system %d ( %s ) -- last seen %d, current Turn %d -- basing threat assessment on old info and lost ships"%(sys_id, sys_status.get('name', "name unknown"), partial_vis_turn, currentTurn)
                sys_status['fleetThreat'] = int(max(CombatRatingsAI.combine_ratings(enemy_rating, mob_rating), 0.98 * sys_status.get('fleetThreat', 0), 2.0 * lost_fleet_rating - max(sys_status.get('monsterThreat', 0), monster_rating)))
                sys_status['enemy_threat'] = int(max(enemy_rating, 0.98 * sys_status.get('enemy_threat', 0), 1.1 * lost_fleet_rating - max(sys_status.get('monsterThreat', 0), monster_rating)))
                sys_status['monsterThreat'] = int(max(monster_rating, 0.98 * sys_status.get('monsterThreat', 0)))
                # sys_status['totalThreat'] = ((pattack + enemy_attack + monster_attack) ** 0.8) * ((phealth + enemy_health + monster_health)** 0.6)  # reevaluate this
                sys_status['totalThreat'] = max(CombatRatingsAI.combine_ratings_list([enemy_rating, mob_rating, monster_rating, pattack * phealth]), 2 * lost_fleet_rating, 0.98 * sys_status.get('totalThreat', 0))
            else:  # system considered visible #TODO: reevaluate as visibility rules change
                sys_status['currently_visible'] = True
                sys_status['local_fleet_threats'] = set(mobile_fleets)
                sys_status['fleetThreat'] = int(max(CombatRatingsAI.combine_ratings(enemy_rating, mob_rating), 2 * lost_fleet_rating - monster_rating))  # includes mobile monsters
                if verbose:
                    print "enemy threat calc parts: enemy rating %.1f, lost fleet rating %.1f, monster_rating %.1f" % (enemy_rating, lost_fleet_rating, monster_rating)
                sys_status['enemy_threat'] = int(max(enemy_rating, 2 * lost_fleet_rating - monster_rating))  # does NOT include mobile monsters
                sys_status['monsterThreat'] = monster_rating
                sys_status['totalThreat'] = CombatRatingsAI.combine_ratings_list([enemy_rating, mob_rating, monster_rating, pattack * phealth])
            sys_status['regional_fleet_threats'] = sys_status['local_fleet_threats'].copy()
            sys_status['fleetThreat'] = max(sys_status['fleetThreat'], sys_status.get('nest_threat', 0))
            sys_status['totalThreat'] = max(sys_status['totalThreat'], sys_status.get('nest_threat', 0))

            if partial_vis_turn > 0 and sys_id not in supply_unobstructed_systems:  # has been seen with Partial Vis, but is currently supply-blocked
                sys_status['fleetThreat'] = max(sys_status['fleetThreat'], min_hidden_attack * min_hidden_health)
                sys_status['totalThreat'] = max(sys_status['totalThreat'], ((pattack + min_hidden_attack) ** 0.8) * ((phealth + min_hidden_health) ** 0.6))
            if verbose and sys_status['fleetThreat'] > 0:
                print "%s intermediate status: %s" % (system, sys_status)

        enemy_supply, enemy_near_supply = self.assess_enemy_supply()  # TODO: assess change in enemy supply over time
        # assess secondary threats (threats of surrounding systems) and update my fleet rating
        for sys_id in system_id_list:
            sys_status = self.systemStatus[sys_id]
            sys_status['enemies_supplied'] = enemy_supply.get(sys_id, [])
            sys_status['enemies_nearly_supplied'] = enemy_near_supply.get(sys_id, [])
            my_ratings_list = []
            my_ratings_against_planets_list = []
            for fid in sys_status['myfleets']:
                this_rating = self.get_rating(fid, True, self.get_standard_enemy())
                my_ratings_list.append(this_rating)
                my_ratings_against_planets_list.append(self.get_rating(fid, against_planets=True))
            if sys_id != INVALID_ID:
                sys_status['myFleetRating'] = CombatRatingsAI.combine_ratings_list(my_ratings_list)
                sys_status['myFleetRatingVsPlanets'] = CombatRatingsAI.combine_ratings_list(my_ratings_against_planets_list)
                sys_status['all_local_defenses'] = CombatRatingsAI.combine_ratings(sys_status['myFleetRating'], sys_status['mydefenses']['overall'])
            sys_status['neighbors'] = set(dict_from_map(universe.getSystemNeighborsMap(sys_id, self.empireID)))
            
        for sys_id in system_id_list:
            sys_status = self.systemStatus[sys_id]
            neighbors = sys_status.get('neighbors', set())
            this_system = fo.getUniverse().getSystem(sys_id)
            if verbose:
                print "Regional Assessment for %s with local fleet threat %.1f" % (this_system, sys_status.get('fleetThreat', 0))
            jumps2 = set()
            jumps3 = set()
            jumps4 = set()
            for seta, setb in [(neighbors, jumps2), (jumps2, jumps3), (jumps3, jumps4)]:
                for sys2id in seta:
                    setb.update(self.systemStatus.get(sys2id, {}).get('neighbors', set()))
            jump2ring = jumps2 - neighbors - {sys_id}
            jump3ring = jumps3 - jumps2 - neighbors - {sys_id}
            jump4ring = jumps4 - jumps3  - jumps2 - neighbors - {sys_id}
            sys_status['2jump_ring'] = jump2ring
            sys_status['3jump_ring'] = jump3ring
            sys_status['4jump_ring'] = jump4ring
            threat, max_threat, myrating, j1_threats = self.area_ratings(neighbors, ref_sys_name="neighbors %s" % this_system) if verbose else self.area_ratings(neighbors)
            sys_status['neighborThreat'] = threat
            sys_status['max_neighbor_threat'] = max_threat
            sys_status['my_neighbor_rating'] = myrating
            threat, max_threat, myrating, j2_threats = self.area_ratings(jump2ring, ref_sys_name="jump2 %s" % this_system) if verbose else self.area_ratings(jump2ring)
            sys_status['jump2_threat'] = threat
            sys_status['my_jump2_rating'] = myrating
            threat, max_threat, myrating, j3_threats = self.area_ratings(jump3ring)
            sys_status['jump3_threat'] = threat
            sys_status['my_jump3_rating'] = myrating
            threat_keys = ['fleetThreat', 'neighborThreat', 'jump2_threat']  # for local system includes both enemies and mobs
            sys_status['regional_threat'] = CombatRatingsAI.combine_ratings_list(map(lambda x: sys_status.get(x, 0), threat_keys))
            # TODO: investigate cases where regional_threat has been nonzero but no regional_threat_fleets
            # (probably due to attenuating history of past threats)
            sys_status.setdefault('regional_fleet_threats', set()).update(j1_threats, j2_threats)
Ejemplo n.º 9
0
def evaluate_invasion_planet(planet_id, empire, secure_fleet_missions, verbose=True):
    """Return the invasion value (score, troops) of a planet."""
    detail = []
    building_values = {"BLD_IMPERIAL_PALACE": 1000,
                       "BLD_CULTURE_ARCHIVES": 1000,
                       "BLD_SHIPYARD_BASE": 100,
                       "BLD_SHIPYARD_ORG_ORB_INC": 200,
                       "BLD_SHIPYARD_ORG_XENO_FAC": 200,
                       "BLD_SHIPYARD_ORG_CELL_GRO_CHAMB": 200,
                       "BLD_SHIPYARD_CON_NANOROBO": 300,
                       "BLD_SHIPYARD_CON_GEOINT": 400,
                       "BLD_SHIPYARD_CON_ADV_ENGINE": 1000,
                       "BLD_SHIPYARD_AST": 300,
                       "BLD_SHIPYARD_AST_REF": 1000,
                       "BLD_SHIPYARD_ENRG_SOLAR": 1500,
                       "BLD_INDUSTRY_CENTER": 500,
                       "BLD_GAS_GIANT_GEN": 200,
                       "BLD_SOL_ORB_GEN": 800,
                       "BLD_BLACK_HOLE_POW_GEN": 2000,
                       "BLD_ENCLAVE_VOID": 500,
                       "BLD_NEUTRONIUM_EXTRACTOR": 2000,
                       "BLD_NEUTRONIUM_SYNTH": 2000,
                       "BLD_NEUTRONIUM_FORGE": 1000,
                       "BLD_CONC_CAMP": 100,
                       "BLD_BIOTERROR_PROJECTOR": 1000,
                       "BLD_SHIPYARD_ENRG_COMP": 3000,
                       }
    # TODO: add more factors, as used for colonization
    universe = fo.getUniverse()
    empire_id = empire.empireID
    max_jumps = 8
    planet = universe.getPlanet(planet_id)
    if planet is None:  # TODO: exclude planets with stealth higher than empireDetection
        print "invasion AI couldn't access any info for planet id %d" % planet_id
        return [0, 0]

    sys_partial_vis_turn = universe.getVisibilityTurnsMap(planet.systemID, empire_id).get(fo.visibility.partial, -9999)
    planet_partial_vis_turn = universe.getVisibilityTurnsMap(planet_id, empire_id).get(fo.visibility.partial, -9999)

    if planet_partial_vis_turn < sys_partial_vis_turn:
        print "invasion AI couldn't get current info on planet id %d (was stealthed at last sighting)" % planet_id
        # TODO: track detection strength, order new scouting when it goes up
        return [0, 0]  # last time we had partial vis of the system, the planet was stealthed to us

    species_name = planet.speciesName
    species = fo.getSpecies(species_name)
    if not species:  # this call iterates over this Empire's available species with which it could colonize after an invasion
        planet_eval = ColonisationAI.assign_colonisation_values([planet_id], EnumsAI.AIFleetMissionType.FLEET_MISSION_INVASION, None, empire, detail)
        pop_val = max(0.75*planet_eval.get(planet_id, [0])[0], ColonisationAI.evaluate_planet(planet_id, EnumsAI.AIFleetMissionType.FLEET_MISSION_OUTPOST, None, empire, detail))
    else:
        pop_val = ColonisationAI.evaluate_planet(planet_id, EnumsAI.AIFleetMissionType.FLEET_MISSION_INVASION, species_name, empire, detail)

    bld_tally = 0
    for bldType in [universe.getObject(bldg).buildingTypeName for bldg in planet.buildingIDs]:
        bval = building_values.get(bldType, 50)
        bld_tally += bval
        detail.append("%s: %d" % (bldType, bval))

    p_sys_id = planet.systemID
    capitol_id = PlanetUtilsAI.get_capital()
    least_jumps_path = []
    clear_path = True
    if capitol_id:
        homeworld = universe.getPlanet(capitol_id)
        if homeworld:
            home_system_id = homeworld.systemID
            eval_system_id = planet.systemID
            if (home_system_id != -1) and (eval_system_id != -1):
                least_jumps_path = list(universe.leastJumpsPath(home_system_id, eval_system_id, empire_id))
                max_jumps = len(least_jumps_path)
    system_status = foAI.foAIstate.systemStatus.get(p_sys_id, {})
    system_fleet_treat = system_status.get('fleetThreat', 1000)
    system_monster_threat = system_status.get('monsterThreat', 0)
    sys_total_threat = system_fleet_treat + system_monster_threat + system_status.get('planetThreat', 0)
    max_path_threat = system_fleet_treat
    mil_ship_rating = MilitaryAI.cur_best_mil_ship_rating()
    for path_sys_id in least_jumps_path:
        path_leg_status = foAI.foAIstate.systemStatus.get(path_sys_id, {})
        path_leg_threat = path_leg_status.get('fleetThreat', 1000) + path_leg_status.get('monsterThreat', 0)
        if path_leg_threat > 0.5 * mil_ship_rating:
            clear_path = False
            if path_leg_threat > max_path_threat:
                max_path_threat = path_leg_threat

    pop = planet.currentMeterValue(fo.meterType.population)
    target_pop = planet.currentMeterValue(fo.meterType.targetPopulation)
    troops = planet.currentMeterValue(fo.meterType.troops)
    max_troops = planet.currentMeterValue(fo.meterType.maxTroops)
    # TODO: refactor troop determination into function for use in mid-mission updates and also consider defender techs
    max_troops += AIDependencies.TROOPS_PER_POP * (target_pop - pop)

    this_system = universe.getSystem(p_sys_id)
    secure_targets = [p_sys_id] + list(this_system.planetIDs)
    system_secured = False
    for mission in secure_fleet_missions:
        if system_secured:
            break
        secure_fleet_id = mission.target_id
        s_fleet = universe.getFleet(secure_fleet_id)
        if not s_fleet or s_fleet.systemID != p_sys_id:
            continue
        for ai_target in mission.get_targets(EnumsAI.AIFleetMissionType.FLEET_MISSION_SECURE):
            target_obj = ai_target.target_obj
            if (target_obj is not None) and target_obj.id in secure_targets:
                system_secured = True
                break
    system_secured = system_secured and system_status.get('myFleetRating',0)

    if verbose:
        print "invasion eval of %s %d --- maxShields %.1f -- sysFleetThreat %.1f -- sysMonsterThreat %.1f" % (
            planet.name, planet_id, planet.currentMeterValue(fo.meterType.maxShield), system_fleet_treat,
            system_monster_threat)
    supply_val = 0
    enemy_val = 0
    if planet.owner != -1:  # value in taking this away from an enemy
        enemy_val = 20 * (planet.currentMeterValue(fo.meterType.targetIndustry) + 2*planet.currentMeterValue(fo.meterType.targetResearch))
    if p_sys_id in ColonisationAI.annexable_system_ids:  # TODO: extend to rings
        supply_val = 100
    elif p_sys_id in ColonisationAI.annexable_ring1:
        supply_val = 200
    elif p_sys_id in ColonisationAI.annexable_ring2:
        supply_val = 300
    elif p_sys_id in ColonisationAI.annexable_ring3:
        supply_val = 400
    if max_path_threat > 0.5 * mil_ship_rating:
        if max_path_threat < 3 * mil_ship_rating:
            supply_val *= 0.5
        else:
            supply_val *= 0.2
        
    threat_factor = min(1, 0.2*MilitaryAI.totMilRating/(sys_total_threat+0.001))**2  # devalue invasions that would require too much military force
    build_time = 4

    planned_troops = troops if system_secured else min(troops+max_jumps+build_time, max_troops)
    if not tech_is_complete("SHP_ORG_HULL"):
        troop_cost = math.ceil(planned_troops/6.0) * (40*(1+foAI.foAIstate.shipCount * AIDependencies.SHIP_UPKEEP))
    else:
        troop_cost = math.ceil(planned_troops/6.0) * (20*(1+foAI.foAIstate.shipCount * AIDependencies.SHIP_UPKEEP))
    planet_score = retaliation_risk_factor(planet.owner) * threat_factor * max(0, pop_val+supply_val+bld_tally+enemy_val-0.8*troop_cost)
    if clear_path:
        planet_score *= 1.5
    invasion_score = [planet_score, planned_troops]
    print invasion_score, "projected Troop Cost:", troop_cost, ", threatFactor: ", threat_factor, ", planet detail ", detail, "popval, supplyval, bldval, enemyval", pop_val, supply_val, bld_tally, enemy_val
    return invasion_score
Ejemplo n.º 10
0
    def issue_fleet_orders(self):
        """issues AIFleetOrders which can be issued in system and moves to next one if is possible"""
        # TODO: priority
        order_completed = True
        print "--------------"
        loc = self.get_location_target()
        print "Checking orders for fleet %d (on turn %d) at %s, with mission types %s" % (self.target_id, fo.currentTurn(), loc, [AIFleetMissionType.name(mt) for mt in self.get_mission_types()])
        print "\t Full Orders are:"
        for this_order in self.orders:
            print "\t\t| %s" % this_order
        print "/t/t------"
        if AIFleetMissionType.FLEET_MISSION_INVASION in self.get_mission_types():
            self._check_retarget_invasion()
        for fleet_order in self.orders:
            print "\t| checking Order: %s" % fleet_order
            order_type = fleet_order.order_type
            if order_type in [AIFleetOrderType.ORDER_COLONISE,
                              AIFleetOrderType.ORDER_OUTPOST,
                              AIFleetOrderType.ORDER_INVADE]:  # TODO: invasion?
                if self._check_abort_mission(fleet_order):
                    print "\t\t| Aborting fleet order %s" % fleet_order
                    return
            self.check_mergers(context=str(fleet_order))
            if fleet_order.can_issue_order(verbose=True):
                if order_type == AIFleetOrderType.ORDER_MOVE and order_completed:  # only move if all other orders completed
                    print "\t\t| issuing fleet order %s" % fleet_order
                    fleet_order.issue_order()
                elif order_type not in [AIFleetOrderType.ORDER_MOVE, AIFleetOrderType.ORDER_DEFEND]:
                    print "\t\t| issuing fleet order %s" % fleet_order
                    fleet_order.issue_order()
                else:
                    print "\t\t| NOT issuing (even though can_issue) fleet order %s" % fleet_order
                print "\t\t| order status-- execution completed: %s" % fleet_order.execution_completed
                if not fleet_order.execution_completed:
                    order_completed = False
            else:  # check that we're not held up by a Big Monster
                if fleet_order.execution_completed:
                    # It's unclear why we'd really get to this spot, but it has been observed to happen, perhaps due to
                    # game being reloaded after code changes.
                    # Go on to the next order.
                    continue
                print "\t\t| CAN'T issue fleet order %s" % fleet_order
                if order_type == AIFleetOrderType.ORDER_MOVE:
                    this_system_id = fleet_order.target.target_id
                    this_status = foAI.foAIstate.systemStatus.setdefault(this_system_id, {})
                    if this_status.get('monsterThreat', 0) > fo.currentTurn() * MilitaryAI.cur_best_mil_ship_rating()/4.0:
                        first_mission = self.get_mission_types()[0] if self.get_mission_types() else AIFleetMissionType.FLEET_MISSION_INVALID
                        if (first_mission not in (AIFleetMissionType.FLEET_MISSION_ATTACK,
                                                   AIFleetMissionType.FLEET_MISSION_MILITARY,
                                                   AIFleetMissionType.FLEET_MISSION_HIT_AND_RUN,
                                                   AIFleetMissionType.FLEET_MISSION_SECURE,
                                                   ) or
                            fleet_order != self.orders[-1]  # if this move order is not this mil fleet's final destination, and blocked by Big Monster, release and hope for more effective reassignment
                            ):
                            print "Aborting mission due to being blocked by Big Monster at system %d, threat %d"%(this_system_id, foAI.foAIstate.systemStatus[this_system_id]['monsterThreat'])
                            print "Full set of orders were:"
                            for this_order in self.orders:
                                print "\t\t %s" % this_order
                            self.clear_fleet_orders()
                            self.clear_targets(([-1] + self.get_mission_types()[:1])[-1])
                            return
            # moving to another system stops issuing all orders in system where fleet is
            # move order is also the last order in system
            if order_type == AIFleetOrderType.ORDER_MOVE:
                fleet = fo.getUniverse().getFleet(self.target_id)
                if fleet.systemID != fleet_order.target.target_id:
                    break
        else:  # went through entire order list
            if order_completed:
                print "\t| Final order is completed"
                orders = self.orders
                last_order = orders[-1] if orders else None
                universe = fo.getUniverse()

                if last_order and last_order.order_type == AIFleetOrderType.ORDER_COLONISE:
                    planet = universe.getPlanet(last_order.target.target_id)
                    sys_partial_vis_turn = universe.getVisibilityTurnsMap(planet.systemID, fo.empireID()).get(fo.visibility.partial, -9999)
                    planet_partial_vis_turn = universe.getVisibilityTurnsMap(planet.id, fo.empireID()).get(fo.visibility.partial, -9999)
                    if planet_partial_vis_turn == sys_partial_vis_turn and not planet.currentMeterValue(fo.meterType.population):
                        print "Potential Error: Fleet %d has tentatively completed its colonize mission but will wait to confirm population." % self.target_id
                        print "    Order details are %s" % last_order
                        print "    Order is valid: %s ; is Executed : %s; is execution completed: %s " % (last_order.is_valid(), last_order.isExecuted(), last_order.isExecutionCompleted())
                        if not last_order.is_valid():
                            source_target = last_order.fleet
                            target_target = last_order.target
                            print "        source target validity: %s; target target validity: %s " % (source_target.valid, target_target.valid)
                            if EnumsAI.TargetType.TARGET_SHIP == source_target.target_type:
                                ship_id = source_target.target_id
                                ship = universe.getShip(ship_id)
                                if not ship:
                                    print "Ship id %d not a valid ship id" % ship_id
                                print "        source target Ship (%d), species %s, can%s colonize" % (ship_id, ship.speciesName, ["not", ""][ship.canColonize])
                        return  # colonize order must not have completed yet
                clearAll = True
                last_sys_target = -1
                if last_order and last_order.order_type == AIFleetOrderType.ORDER_MILITARY:
                    last_sys_target = last_order.target.target_id
                    # if (AIFleetMissionType.FLEET_MISSION_SECURE in self.get_mission_types()) or # not doing this until decide a way to release from a SECURE mission
                    secure_targets = set(AIstate.colonyTargetedSystemIDs + AIstate.outpostTargetedSystemIDs + AIstate.invasionTargetedSystemIDs + AIstate.blockadeTargetedSystemIDs)
                    if last_sys_target in secure_targets:  # consider a secure mission
                        if last_sys_target in AIstate.colonyTargetedSystemIDs:
                            secure_type = "Colony"
                        elif last_sys_target in AIstate.outpostTargetedSystemIDs:
                            secure_type = "Outpost"
                        elif last_sys_target in AIstate.invasionTargetedSystemIDs:
                            secure_type = "Invasion"
                        elif last_sys_target in AIstate.blockadeTargetedSystemIDs:
                            secure_type = "Blockade"
                        else:
                            secure_type = "Unidentified"
                        print "Fleet %d has completed initial stage of its mission to secure system %d (targeted for %s), may release a portion of ships" % (self.target_id, last_sys_target, secure_type)
                        clearAll = False
                fleet_id = self.target_id
                if clearAll:
                    if orders:
                        print "Fleet %d has completed its mission; clearing all orders and targets." % self.target_id
                        print "Full set of orders were:"
                        for this_order in orders:
                            print "\t\t %s" % this_order
                        self.clear_fleet_orders()
                        self.clear_targets(([-1] + self.get_mission_types()[:1])[-1])
                        if foAI.foAIstate.get_fleet_role(fleet_id) in (AIFleetMissionType.FLEET_MISSION_MILITARY,
                                                                       AIFleetMissionType.FLEET_MISSION_ATTACK,
                                                                       AIFleetMissionType.FLEET_MISSION_DEFEND,
                                                                       AIFleetMissionType.FLEET_MISSION_HIT_AND_RUN,
                                                                       AIFleetMissionType.FLEET_MISSION_SECURE):
                            allocations = MilitaryAI.get_military_fleets(milFleetIDs=[fleet_id], tryReset=False, thisround="Fleet %d Reassignment" % fleet_id)
                            if allocations:
                                MilitaryAI.assign_military_fleets_to_systems(useFleetIDList=[fleet_id], allocations=allocations)
                    else:  # no orders
                        print "No Current Orders"
                else:
                    #TODO: evaluate releasing a smaller portion or none of the ships
                    system_status = foAI.foAIstate.systemStatus.setdefault(last_sys_target, {})
                    new_fleets = []
                    threat_present = (system_status.get('totalThreat', 0) != 0) or (system_status.get('neighborThreat', 0) != 0)
                    target_system = universe.getSystem(last_sys_target)
                    if not threat_present and target_system:
                        for pid in target_system.planetIDs:
                            planet = universe.getPlanet(pid)
                            if planet and planet.owner != fo.empireID() and planet.currentMeterValue(fo.meterType.maxDefense) > 0:
                                threat_present = True
                                break
                    if not threat_present:
                        print "No current threat in target system; releasing a portion of ships."
                        new_fleets = FleetUtilsAI.split_fleet(self.target_id)  # at least first stage of current task is done; release extra ships for potential other deployments
                    else:
                        print "Threat remains in target system; NOT releasing any ships."
                    new_military_fleets = []
                    for fleet_id in new_fleets:
                        if foAI.foAIstate.get_fleet_role(fleet_id) in COMBAT_MISSION_TYPES:
                            new_military_fleets.append(fleet_id)
                    allocations = []
                    if new_military_fleets:
                        allocations = MilitaryAI.get_military_fleets(milFleetIDs=new_military_fleets, tryReset=False, thisround="Fleet Reassignment %s" % new_military_fleets)
                    if allocations:
                        MilitaryAI.assign_military_fleets_to_systems(useFleetIDList=new_military_fleets, allocations=allocations)
Ejemplo n.º 11
0
    def issue_fleet_orders(self):
        """issues AIFleetOrders which can be issued in system and moves to next one if is possible"""
        # TODO: priority
        order_completed = True
        print
        print "Checking orders for fleet %s (on turn %d), with mission type %s" % (
            self.fleet.get_object(), fo.currentTurn(), self.type or 'No mission')
        if MissionType.INVASION == self.type:
            self._check_retarget_invasion()
        just_issued_move_order = False
        last_move_target_id = INVALID_ID
        # Note: the following abort check somewhat assumes only one major mission type
        for fleet_order in self.orders:
            if (isinstance(fleet_order, (OrderColonize, OrderOutpost, OrderInvade)) and
                    self._check_abort_mission(fleet_order)):
                return
        for fleet_order in self.orders:
            if just_issued_move_order and self.fleet.get_object().systemID != last_move_target_id:
                # having just issued a move order, we will normally stop issuing orders this turn, except that if there
                # are consecutive move orders we will consider moving through the first destination rather than stopping
                # Without the below noinspection directive, PyCharm is concerned about the 2nd part of the test
                # noinspection PyTypeChecker
                if (not isinstance(fleet_order, OrderMove) or
                        self.need_to_pause_movement(last_move_target_id, fleet_order)):
                    break
            print "Checking order: %s" % fleet_order
            self.check_mergers(context=str(fleet_order))
            if fleet_order.can_issue_order(verbose=False):
                if isinstance(fleet_order, OrderMove) and order_completed:  # only move if all other orders completed
                    print "Issuing fleet order %s" % fleet_order
                    fleet_order.issue_order()
                    just_issued_move_order = True
                    last_move_target_id = fleet_order.target.id
                elif not isinstance(fleet_order, OrderMove):
                    print "Issuing fleet order %s" % fleet_order
                    fleet_order.issue_order()
                else:
                    print "NOT issuing (even though can_issue) fleet order %s" % fleet_order
                print "Order issued: %s" % fleet_order.order_issued
                if not fleet_order.executed:
                    order_completed = False
            else:  # check that we're not held up by a Big Monster
                if fleet_order.order_issued:
                    # A previously issued order that wasn't instantly executed must have had cirumstances change so that
                    # the order can't currently be reissued (or perhaps simply a savegame has been reloaded on the same
                    # turn the order was issued).
                    if not fleet_order.executed:
                        order_completed = False
                    # Go on to the next order.
                    continue
                print "CAN'T issue fleet order %s" % fleet_order
                if isinstance(fleet_order, OrderMove):
                    this_system_id = fleet_order.target.id
                    this_status = foAI.foAIstate.systemStatus.setdefault(this_system_id, {})
                    threat_threshold = fo.currentTurn() * MilitaryAI.cur_best_mil_ship_rating() / 4.0
                    if this_status.get('monsterThreat', 0) > threat_threshold:
                        # if this move order is not this mil fleet's final destination, and blocked by Big Monster,
                        # release and hope for more effective reassignment
                        if (self.type not in (MissionType.MILITARY, MissionType.SECURE) or
                                fleet_order != self.orders[-1]):
                            print "Aborting mission due to being blocked by Big Monster at system %d, threat %d" % (
                                this_system_id, foAI.foAIstate.systemStatus[this_system_id]['monsterThreat'])
                            print "Full set of orders were:"
                            for this_order in self.orders:
                                print " - %s" % this_order
                            self.clear_fleet_orders()
                            self.clear_target()
                            return
                break  # do not order the next order until this one is finished.
        else:  # went through entire order list
            if order_completed:
                print "Final order is completed"
                orders = self.orders
                last_order = orders[-1] if orders else None
                universe = fo.getUniverse()

                if last_order and isinstance(last_order, OrderColonize):
                    planet = universe.getPlanet(last_order.target.id)
                    sys_partial_vis_turn = get_partial_visibility_turn(planet.systemID)
                    planet_partial_vis_turn = get_partial_visibility_turn(planet.id)
                    if (planet_partial_vis_turn == sys_partial_vis_turn and
                            not planet.initialMeterValue(fo.meterType.population)):
                        warn("Fleet %d has tentatively completed its "
                             "colonize mission but will wait to confirm population." % self.fleet.id)
                        print "    Order details are %s" % last_order
                        print "    Order is valid: %s; issued: %s; executed: %s" % (
                            last_order.is_valid(), last_order.order_issued, last_order.executed)
                        if not last_order.is_valid():
                            source_target = last_order.fleet
                            target_target = last_order.target
                            print "        source target validity: %s; target target validity: %s " % (
                                bool(source_target), bool(target_target))
                        return  # colonize order must not have completed yet
                clear_all = True
                last_sys_target = INVALID_ID
                if last_order and isinstance(last_order, OrderMilitary):
                    last_sys_target = last_order.target.id
                    # not doing this until decide a way to release from a SECURE mission
                    # if (MissionType.SECURE == self.type) or
                    secure_targets = set(AIstate.colonyTargetedSystemIDs +
                                         AIstate.outpostTargetedSystemIDs +
                                         AIstate.invasionTargetedSystemIDs)
                    if last_sys_target in secure_targets:  # consider a secure mission
                        if last_sys_target in AIstate.colonyTargetedSystemIDs:
                            secure_type = "Colony"
                        elif last_sys_target in AIstate.outpostTargetedSystemIDs:
                            secure_type = "Outpost"
                        elif last_sys_target in AIstate.invasionTargetedSystemIDs:
                            secure_type = "Invasion"
                        else:
                            secure_type = "Unidentified"
                        print ("Fleet %d has completed initial stage of its mission "
                               "to secure system %d (targeted for %s), "
                               "may release a portion of ships" % (self.fleet.id, last_sys_target, secure_type))
                        clear_all = False
                fleet_id = self.fleet.id
                if clear_all:
                    if orders:
                        print "Fleet %d has completed its mission; clearing all orders and targets." % self.fleet.id
                        print "Full set of orders were:"
                        for this_order in orders:
                            print "\t\t %s" % this_order
                        self.clear_fleet_orders()
                        self.clear_target()
                        if foAI.foAIstate.get_fleet_role(fleet_id) in (MissionType.MILITARY,
                                                                       MissionType.SECURE):
                            allocations = MilitaryAI.get_military_fleets(mil_fleets_ids=[fleet_id],
                                                                         try_reset=False,
                                                                         thisround="Fleet %d Reassignment" % fleet_id)
                            if allocations:
                                MilitaryAI.assign_military_fleets_to_systems(use_fleet_id_list=[fleet_id],
                                                                             allocations=allocations)
                    else:  # no orders
                        print "No Current Orders"
                else:
                    # TODO: evaluate releasing a smaller portion or none of the ships
                    system_status = foAI.foAIstate.systemStatus.setdefault(last_sys_target, {})
                    new_fleets = []
                    threat_present = system_status.get('totalThreat', 0) + system_status.get('neighborThreat', 0) > 0
                    target_system = universe.getSystem(last_sys_target)
                    if not threat_present and target_system:
                        for pid in target_system.planetIDs:
                            planet = universe.getPlanet(pid)
                            if (planet and
                                    planet.owner != fo.empireID() and
                                    planet.currentMeterValue(fo.meterType.maxDefense) > 0):
                                threat_present = True
                                break
                    if not threat_present:
                        print "No current threat in target system; releasing a portion of ships."
                        # at least first stage of current task is done;
                        # release extra ships for potential other deployments
                        new_fleets = FleetUtilsAI.split_fleet(self.fleet.id)
                    else:
                        print "Threat remains in target system; NOT releasing any ships."
                    new_military_fleets = []
                    for fleet_id in new_fleets:
                        if foAI.foAIstate.get_fleet_role(fleet_id) in COMBAT_MISSION_TYPES:
                            new_military_fleets.append(fleet_id)
                    allocations = []
                    if new_military_fleets:
                        allocations = MilitaryAI.get_military_fleets(
                            mil_fleets_ids=new_military_fleets,
                            try_reset=False,
                            thisround="Fleet Reassignment %s" % new_military_fleets
                        )
                    if allocations:
                        MilitaryAI.assign_military_fleets_to_systems(use_fleet_id_list=new_military_fleets,
                                                                     allocations=allocations)
Ejemplo n.º 12
0
def evaluate_invasion_planet(planet_id, secure_fleet_missions, verbose=True):
    """Return the invasion value (score, troops) of a planet."""
    universe = fo.getUniverse()
    empire_id = fo.empireID()
    detail = []

    planet = universe.getPlanet(planet_id)
    if planet is None:
        debug("Invasion AI couldn't access any info for planet id %d" % planet_id)
        return [0, 0]

    system_id = planet.systemID

    # by using the following instead of simply relying on stealth meter reading, can (sometimes) plan ahead even if
    # planet is temporarily shrouded by an ion storm
    predicted_detectable = EspionageAI.colony_detectable_by_empire(planet_id, empire=fo.empireID(),
                                                                   default_result=False)
    if not predicted_detectable:
        if get_partial_visibility_turn(planet_id) < fo.currentTurn():
            debug("InvasionAI predicts planet id %d to be stealthed" % planet_id)
            return [0, 0]
        else:
            debug("InvasionAI predicts planet id %d to be stealthed" % planet_id +
                  ", but somehow have current visibity anyway, will still consider as target")

    # Check if the target planet was extra-stealthed somehow its system was last viewed
    # this test below may augment the tests above, but can be thrown off by temporary combat-related sighting
    system_last_seen = get_partial_visibility_turn(planet_id)
    planet_last_seen = get_partial_visibility_turn(system_id)
    if planet_last_seen < system_last_seen:
        # TODO: track detection strength, order new scouting when it goes up
        debug("Invasion AI considering planet id %d (stealthed at last view), still proceeding." % planet_id)

    # get a baseline evaluation of the planet as determined by ColonisationAI
    species_name = planet.speciesName
    species = fo.getSpecies(species_name)
    if not species or AIDependencies.TAG_DESTROYED_ON_CONQUEST in species.tags:
        # this call iterates over this Empire's available species with which it could colonize after an invasion
        planet_eval = ColonisationAI.assign_colonisation_values([planet_id], MissionType.INVASION, None, detail)
        colony_base_value = max(0.75 * planet_eval.get(planet_id, [0])[0],
                                ColonisationAI.evaluate_planet(planet_id, MissionType.OUTPOST, None, detail))
    else:
        colony_base_value = ColonisationAI.evaluate_planet(planet_id, MissionType.INVASION, species_name, detail)

    # Add extra score for all buildings on the planet
    building_values = {"BLD_IMPERIAL_PALACE": 1000,
                       "BLD_CULTURE_ARCHIVES": 1000,
                       "BLD_AUTO_HISTORY_ANALYSER": 100,
                       "BLD_SHIPYARD_BASE": 100,
                       "BLD_SHIPYARD_ORG_ORB_INC": 200,
                       "BLD_SHIPYARD_ORG_XENO_FAC": 200,
                       "BLD_SHIPYARD_ORG_CELL_GRO_CHAMB": 200,
                       "BLD_SHIPYARD_CON_NANOROBO": 300,
                       "BLD_SHIPYARD_CON_GEOINT": 400,
                       "BLD_SHIPYARD_CON_ADV_ENGINE": 1000,
                       "BLD_SHIPYARD_AST": 300,
                       "BLD_SHIPYARD_AST_REF": 1000,
                       "BLD_SHIPYARD_ENRG_SOLAR": 1500,
                       "BLD_INDUSTRY_CENTER": 500,
                       "BLD_GAS_GIANT_GEN": 200,
                       "BLD_SOL_ORB_GEN": 800,
                       "BLD_BLACK_HOLE_POW_GEN": 2000,
                       "BLD_ENCLAVE_VOID": 500,
                       "BLD_NEUTRONIUM_EXTRACTOR": 2000,
                       "BLD_NEUTRONIUM_SYNTH": 2000,
                       "BLD_NEUTRONIUM_FORGE": 1000,
                       "BLD_CONC_CAMP": 100,
                       "BLD_BIOTERROR_PROJECTOR": 1000,
                       "BLD_SHIPYARD_ENRG_COMP": 3000,
                       }
    bld_tally = 0
    for bldType in [universe.getBuilding(bldg).buildingTypeName for bldg in planet.buildingIDs]:
        bval = building_values.get(bldType, 50)
        bld_tally += bval
        detail.append("%s: %d" % (bldType, bval))

    # Add extra score for unlocked techs when we conquer the species
    tech_tally = 0
    value_per_pp = 4
    for unlocked_tech in AIDependencies.SPECIES_TECH_UNLOCKS.get(species_name, []):
        if not tech_is_complete(unlocked_tech):
            rp_cost = fo.getTech(unlocked_tech).researchCost(empire_id)
            tech_value = value_per_pp * rp_cost
            tech_tally += tech_value
            detail.append("%s: %d" % (unlocked_tech, tech_value))

    max_jumps = 8
    capitol_id = PlanetUtilsAI.get_capital()
    least_jumps_path = []
    clear_path = True
    if capitol_id:
        homeworld = universe.getPlanet(capitol_id)
        if homeworld and homeworld.systemID != INVALID_ID and system_id != INVALID_ID:
            least_jumps_path = list(universe.leastJumpsPath(homeworld.systemID, system_id, empire_id))
            max_jumps = len(least_jumps_path)
    aistate = get_aistate()
    system_status = aistate.systemStatus.get(system_id, {})
    system_fleet_treat = system_status.get('fleetThreat', 1000)
    system_monster_threat = system_status.get('monsterThreat', 0)
    sys_total_threat = system_fleet_treat + system_monster_threat + system_status.get('planetThreat', 0)
    max_path_threat = system_fleet_treat
    mil_ship_rating = MilitaryAI.cur_best_mil_ship_rating()
    for path_sys_id in least_jumps_path:
        path_leg_status = aistate.systemStatus.get(path_sys_id, {})
        path_leg_threat = path_leg_status.get('fleetThreat', 1000) + path_leg_status.get('monsterThreat', 0)
        if path_leg_threat > 0.5 * mil_ship_rating:
            clear_path = False
            if path_leg_threat > max_path_threat:
                max_path_threat = path_leg_threat

    pop = planet.currentMeterValue(fo.meterType.population)
    target_pop = planet.currentMeterValue(fo.meterType.targetPopulation)
    troops = planet.currentMeterValue(fo.meterType.troops)
    troop_regen = planet.currentMeterValue(fo.meterType.troops) - planet.initialMeterValue(fo.meterType.troops)
    max_troops = planet.currentMeterValue(fo.meterType.maxTroops)
    # TODO: refactor troop determination into function for use in mid-mission updates and also consider defender techs
    max_troops += AIDependencies.TROOPS_PER_POP * (target_pop - pop)

    this_system = universe.getSystem(system_id)
    secure_targets = [system_id] + list(this_system.planetIDs)
    system_secured = False
    for mission in secure_fleet_missions:
        if system_secured:
            break
        secure_fleet_id = mission.fleet.id
        s_fleet = universe.getFleet(secure_fleet_id)
        if not s_fleet or s_fleet.systemID != system_id:
            continue
        if mission.type in [MissionType.SECURE, MissionType.MILITARY]:
            target_obj = mission.target.get_object()
            if target_obj is not None and target_obj.id in secure_targets:
                system_secured = True
                break
    system_secured = system_secured and system_status.get('myFleetRating', 0)

    if verbose:
        debug("Invasion eval of %s\n"
              " - maxShields: %.1f\n"
              " - sysFleetThreat: %.1f\n"
              " - sysMonsterThreat: %.1f",
              planet, planet.currentMeterValue(fo.meterType.maxShield), system_fleet_treat, system_monster_threat)
    enemy_val = 0
    if planet.owner != -1:  # value in taking this away from an enemy
        enemy_val = 20 * (planet.currentMeterValue(fo.meterType.targetIndustry) +
                          2*planet.currentMeterValue(fo.meterType.targetResearch))

    # devalue invasions that would require too much military force
    preferred_max_portion = MilitaryAI.get_preferred_max_military_portion_for_single_battle()
    total_max_mil_rating = MilitaryAI.get_concentrated_tot_mil_rating()
    threat_exponent = 2  # TODO: make this a character trait; higher aggression with a lower exponent
    threat_factor = min(1, preferred_max_portion * total_max_mil_rating/(sys_total_threat+0.001))**threat_exponent

    design_id, _, locs = ProductionAI.get_best_ship_info(PriorityType.PRODUCTION_INVASION)
    if not locs or not universe.getPlanet(locs[0]):
        # We are in trouble anyway, so just calculate whatever approximation...
        build_time = 4
        planned_troops = troops if system_secured else min(troops + troop_regen*(max_jumps + build_time), max_troops)
        planned_troops += .01  # we must attack with more troops than there are defenders
        troop_cost = math.ceil((planned_troops+_TROOPS_SAFETY_MARGIN) / 6.0) * 20 * FleetUtilsAI.get_fleet_upkeep()
    else:
        loc = locs[0]
        species_here = universe.getPlanet(loc).speciesName
        design = fo.getShipDesign(design_id)
        cost_per_ship = design.productionCost(empire_id, loc)
        build_time = design.productionTime(empire_id, loc)
        troops_per_ship = CombatRatingsAI.weight_attack_troops(design.troopCapacity,
                                                               CombatRatingsAI.get_species_troops_grade(species_here))
        planned_troops = troops if system_secured else min(troops + troop_regen*(max_jumps + build_time), max_troops)
        planned_troops += .01  # we must attack with more troops than there are defenders
        ships_needed = math.ceil((planned_troops+_TROOPS_SAFETY_MARGIN) / float(troops_per_ship))
        troop_cost = ships_needed * cost_per_ship  # fleet upkeep is already included in query from server

    # apply some bias to expensive operations
    normalized_cost = float(troop_cost) / max(fo.getEmpire().productionPoints, 1)
    normalized_cost = max(1., normalized_cost)
    cost_score = (normalized_cost**2 / 50.0) * troop_cost

    base_score = colony_base_value + bld_tally + tech_tally + enemy_val - cost_score
    # If the AI does have enough total miltary to attack this target, and the target is more than minimally valuable,
    # don't let the threat_factor discount the adjusted value below MIN_INVASION_SCORE +1, so that if there are no
    # other targets the AI could still pursue this one.  Otherwise, scoring pressure from
    # MilitaryAI.get_preferred_max_military_portion_for_single_battle might prevent the AI from attacking heavily
    # defended but still defeatable targets even if it has no softer targets available.
    if total_max_mil_rating > sys_total_threat and base_score > 2 * MIN_INVASION_SCORE:
        threat_factor = max(threat_factor, (MIN_INVASION_SCORE + 1)/base_score)
    planet_score = retaliation_risk_factor(planet.owner) * threat_factor * max(0, base_score)
    if clear_path:
        planet_score *= 1.5
    if verbose:
        debug(' - planet score: %.2f\n'
              ' - planned troops: %.2f\n'
              ' - projected troop cost: %.1f\n'
              ' - threat factor: %s\n'
              ' - planet detail: %s\n'
              ' - popval: %.1f\n'
              ' - bldval: %s\n'
              ' - enemyval: %s',
              planet_score, planned_troops, troop_cost, threat_factor, detail, colony_base_value, bld_tally, enemy_val)
        debug(' - system secured: %s' % system_secured)
    return [planet_score, planned_troops]
Ejemplo n.º 13
0
def evaluate_invasion_planet(planet_id, secure_fleet_missions, verbose=True):
    """Return the invasion value (score, troops) of a planet."""
    detail = []
    building_values = {"BLD_IMPERIAL_PALACE": 1000,
                       "BLD_CULTURE_ARCHIVES": 1000,
                       "BLD_AUTO_HISTORY_ANALYSER": 100,
                       "BLD_SHIPYARD_BASE": 100,
                       "BLD_SHIPYARD_ORG_ORB_INC": 200,
                       "BLD_SHIPYARD_ORG_XENO_FAC": 200,
                       "BLD_SHIPYARD_ORG_CELL_GRO_CHAMB": 200,
                       "BLD_SHIPYARD_CON_NANOROBO": 300,
                       "BLD_SHIPYARD_CON_GEOINT": 400,
                       "BLD_SHIPYARD_CON_ADV_ENGINE": 1000,
                       "BLD_SHIPYARD_AST": 300,
                       "BLD_SHIPYARD_AST_REF": 1000,
                       "BLD_SHIPYARD_ENRG_SOLAR": 1500,
                       "BLD_INDUSTRY_CENTER": 500,
                       "BLD_GAS_GIANT_GEN": 200,
                       "BLD_SOL_ORB_GEN": 800,
                       "BLD_BLACK_HOLE_POW_GEN": 2000,
                       "BLD_ENCLAVE_VOID": 500,
                       "BLD_NEUTRONIUM_EXTRACTOR": 2000,
                       "BLD_NEUTRONIUM_SYNTH": 2000,
                       "BLD_NEUTRONIUM_FORGE": 1000,
                       "BLD_CONC_CAMP": 100,
                       "BLD_BIOTERROR_PROJECTOR": 1000,
                       "BLD_SHIPYARD_ENRG_COMP": 3000,
                       }
    # TODO: add more factors, as used for colonization
    universe = fo.getUniverse()
    empire_id = fo.empireID()
    max_jumps = 8
    planet = universe.getPlanet(planet_id)
    if planet is None:  # TODO: exclude planets with stealth higher than empireDetection
        print "invasion AI couldn't access any info for planet id %d" % planet_id
        return [0, 0]

    sys_partial_vis_turn = universe.getVisibilityTurnsMap(planet.systemID, empire_id).get(fo.visibility.partial, -9999)
    planet_partial_vis_turn = universe.getVisibilityTurnsMap(planet_id, empire_id).get(fo.visibility.partial, -9999)

    if planet_partial_vis_turn < sys_partial_vis_turn:
        print "invasion AI couldn't get current info on planet id %d (was stealthed at last sighting)" % planet_id
        # TODO: track detection strength, order new scouting when it goes up
        return [0, 0]  # last time we had partial vis of the system, the planet was stealthed to us

    species_name = planet.speciesName
    species = fo.getSpecies(species_name)
    if not species or AIDependencies.TAG_DESTROYED_ON_CONQUEST in species.tags:
        # this call iterates over this Empire's available species with which it could colonize after an invasion
        planet_eval = ColonisationAI.assign_colonisation_values([planet_id], MissionType.INVASION, None, detail)
        pop_val = max(0.75 * planet_eval.get(planet_id, [0])[0],
                      ColonisationAI.evaluate_planet(planet_id, MissionType.OUTPOST, None, detail))
    else:
        pop_val = ColonisationAI.evaluate_planet(planet_id, MissionType.INVASION, species_name, detail)

    bld_tally = 0
    for bldType in [universe.getBuilding(bldg).buildingTypeName for bldg in planet.buildingIDs]:
        bval = building_values.get(bldType, 50)
        bld_tally += bval
        detail.append("%s: %d" % (bldType, bval))

    tech_tally = 0
    for unlocked_tech in AIDependencies.SPECIES_TECH_UNLOCKS.get(species_name, []):
        if not tech_is_complete(unlocked_tech):
            rp_cost = fo.getTech(unlocked_tech).researchCost(empire_id)
            tech_tally += rp_cost * 4
            detail.append("%s: %d" % (unlocked_tech, rp_cost * 4))

    p_sys_id = planet.systemID
    capitol_id = PlanetUtilsAI.get_capital()
    least_jumps_path = []
    clear_path = True
    if capitol_id:
        homeworld = universe.getPlanet(capitol_id)
        if homeworld:
            home_system_id = homeworld.systemID
            eval_system_id = planet.systemID
            if (home_system_id != INVALID_ID) and (eval_system_id != INVALID_ID):
                least_jumps_path = list(universe.leastJumpsPath(home_system_id, eval_system_id, empire_id))
                max_jumps = len(least_jumps_path)
    system_status = foAI.foAIstate.systemStatus.get(p_sys_id, {})
    system_fleet_treat = system_status.get('fleetThreat', 1000)
    system_monster_threat = system_status.get('monsterThreat', 0)
    sys_total_threat = system_fleet_treat + system_monster_threat + system_status.get('planetThreat', 0)
    max_path_threat = system_fleet_treat
    mil_ship_rating = MilitaryAI.cur_best_mil_ship_rating()
    for path_sys_id in least_jumps_path:
        path_leg_status = foAI.foAIstate.systemStatus.get(path_sys_id, {})
        path_leg_threat = path_leg_status.get('fleetThreat', 1000) + path_leg_status.get('monsterThreat', 0)
        if path_leg_threat > 0.5 * mil_ship_rating:
            clear_path = False
            if path_leg_threat > max_path_threat:
                max_path_threat = path_leg_threat

    pop = planet.currentMeterValue(fo.meterType.population)
    target_pop = planet.currentMeterValue(fo.meterType.targetPopulation)
    troops = planet.currentMeterValue(fo.meterType.troops)
    max_troops = planet.currentMeterValue(fo.meterType.maxTroops)
    # TODO: refactor troop determination into function for use in mid-mission updates and also consider defender techs
    max_troops += AIDependencies.TROOPS_PER_POP * (target_pop - pop)

    this_system = universe.getSystem(p_sys_id)
    secure_targets = [p_sys_id] + list(this_system.planetIDs)
    system_secured = False
    for mission in secure_fleet_missions:
        if system_secured:
            break
        secure_fleet_id = mission.fleet.id
        s_fleet = universe.getFleet(secure_fleet_id)
        if not s_fleet or s_fleet.systemID != p_sys_id:
            continue
        if mission.type == MissionType.SECURE:
            target_obj = mission.target.get_object()
            if target_obj is not None and target_obj.id in secure_targets:
                system_secured = True
                break
    system_secured = system_secured and system_status.get('myFleetRating', 0)

    if verbose:
        print ("Invasion eval of %s\n"
               " - maxShields: %.1f\n"
               " - sysFleetThreat: %.1f\n"
               " - sysMonsterThreat: %.1f") % (
            planet, planet.currentMeterValue(fo.meterType.maxShield), system_fleet_treat,
            system_monster_threat)
    supply_val = 0
    enemy_val = 0
    if planet.owner != -1:  # value in taking this away from an enemy
        enemy_val = 20 * (planet.currentMeterValue(fo.meterType.targetIndustry) + 2*planet.currentMeterValue(fo.meterType.targetResearch))
    if p_sys_id in ColonisationAI.annexable_system_ids:  # TODO: extend to rings
        supply_val = 100
    elif p_sys_id in ColonisationAI.annexable_ring1:
        supply_val = 200
    elif p_sys_id in ColonisationAI.annexable_ring2:
        supply_val = 300
    elif p_sys_id in ColonisationAI.annexable_ring3:
        supply_val = 400
    if max_path_threat > 0.5 * mil_ship_rating:
        if max_path_threat < 3 * mil_ship_rating:
            supply_val *= 0.5
        else:
            supply_val *= 0.2

    threat_factor = min(1, 0.2*MilitaryAI.get_tot_mil_rating()/(sys_total_threat+0.001))**2  # devalue invasions that would require too much military force

    design_id, _, locs = ProductionAI.get_best_ship_info(PriorityType.PRODUCTION_INVASION)
    if not locs or not universe.getPlanet(locs[0]):
        # We are in trouble anyway, so just calculate whatever approximation...
        build_time = 4
        planned_troops = troops if system_secured else min(troops + max_jumps + build_time, max_troops)
        planned_troops += .01  # we must attack with more troops than there are defenders
        troop_cost = math.ceil((planned_troops+_TROOPS_SAFETY_MARGIN) / 6.0) * 20 * FleetUtilsAI.get_fleet_upkeep()
    else:
        loc = locs[0]
        species_here = universe.getPlanet(loc).speciesName
        design = fo.getShipDesign(design_id)
        cost_per_ship = design.productionCost(empire_id, loc)
        build_time = design.productionTime(empire_id, loc)
        troops_per_ship = CombatRatingsAI.weight_attack_troops(design.troopCapacity,
                                                               CombatRatingsAI.get_species_troops_grade(species_here))
        planned_troops = troops if system_secured else min(troops + max_jumps + build_time, max_troops)
        planned_troops += .01  # we must attack with more troops than there are defenders
        ships_needed = math.ceil((planned_troops+_TROOPS_SAFETY_MARGIN) / float(troops_per_ship))
        troop_cost = ships_needed * cost_per_ship  # fleet upkeep is already included in query from server

    # apply some bias to expensive operations
    normalized_cost = float(troop_cost) / max(fo.getEmpire().productionPoints, 1)
    normalized_cost = max(1, normalized_cost)
    cost_score = (normalized_cost**2 / 50.0) * troop_cost

    base_score = pop_val + supply_val + bld_tally + tech_tally + enemy_val - cost_score
    planet_score = retaliation_risk_factor(planet.owner) * threat_factor * max(0, base_score)
    if clear_path:
        planet_score *= 1.5
    if verbose:
        print (' - planet score: %.2f\n'
               ' - troop score: %.2f\n'
               ' - projected troop cost: %.1f\n'
               ' - threat factor: %s\n'
               ' - planet detail: %s\n'
               ' - popval: %.1f\n'
               ' - supplyval: %.1f\n'
               ' - bldval: %s\n'
               ' - enemyval: %s') % (planet_score, planned_troops, troop_cost,
                                     threat_factor, detail, pop_val, supply_val, bld_tally, enemy_val)
    return [planet_score, planned_troops]
Ejemplo n.º 14
0
    def issue_fleet_orders(self):
        """issues AIFleetOrders which can be issued in system and moves to next one if is possible"""
        # TODO: priority
        order_completed = True
        print
        print "Checking orders for fleet %s (on turn %d), with mission type %s" % (
            self.fleet.get_object(), fo.currentTurn(), self.type
            or 'No mission')
        if MissionType.INVASION == self.type:
            self._check_retarget_invasion()
        for fleet_order in self.orders:
            print "Checking order: %s" % fleet_order
            if isinstance(
                    fleet_order,
                (OrderColonize, OrderOutpost, OrderInvade)):  # TODO: invasion?
                if self._check_abort_mission(fleet_order):
                    print "Aborting fleet order %s" % fleet_order
                    return
            self.check_mergers(context=str(fleet_order))
            if fleet_order.can_issue_order(verbose=False):
                if isinstance(
                        fleet_order, OrderMove
                ) and order_completed:  # only move if all other orders completed
                    print "Issuing fleet order %s" % fleet_order
                    fleet_order.issue_order()
                elif not isinstance(fleet_order, OrderMove):
                    print "Issuing fleet order %s" % fleet_order
                    fleet_order.issue_order()
                else:
                    print "NOT issuing (even though can_issue) fleet order %s" % fleet_order
                print "Order issued: %s" % fleet_order.order_issued
                if not fleet_order.order_issued:
                    order_completed = False
            else:  # check that we're not held up by a Big Monster
                if fleet_order.order_issued:
                    # It's unclear why we'd really get to this spot, but it has been observed to happen, perhaps due to
                    # game being reloaded after code changes.
                    # Go on to the next order.
                    continue
                print "CAN'T issue fleet order %s" % fleet_order
                if isinstance(fleet_order, OrderMove):
                    this_system_id = fleet_order.target.id
                    this_status = foAI.foAIstate.systemStatus.setdefault(
                        this_system_id, {})
                    if this_status.get('monsterThreat', 0) > fo.currentTurn(
                    ) * MilitaryAI.cur_best_mil_ship_rating() / 4.0:
                        if (self.type not in (
                                MissionType.MILITARY, MissionType.SECURE
                        ) or fleet_order != self.orders[
                                -1]  # if this move order is not this mil fleet's final destination, and blocked by Big Monster, release and hope for more effective reassignment
                            ):
                            print "Aborting mission due to being blocked by Big Monster at system %d, threat %d" % (
                                this_system_id, foAI.foAIstate.
                                systemStatus[this_system_id]['monsterThreat'])
                            print "Full set of orders were:"
                            for this_order in self.orders:
                                print " - %s" % this_order
                            self.clear_fleet_orders()
                            self.clear_target()
                            return
            # moving to another system stops issuing all orders in system where fleet is
            # move order is also the last order in system
            if isinstance(fleet_order, OrderMove):
                fleet = self.fleet.get_object()
                if fleet.systemID != fleet_order.target.id:
                    break
        else:  # went through entire order list
            if order_completed:
                print "Final order is completed"
                orders = self.orders
                last_order = orders[-1] if orders else None
                universe = fo.getUniverse()

                if last_order and isinstance(last_order, OrderColonize):
                    planet = universe.getPlanet(last_order.target.id)
                    sys_partial_vis_turn = universe.getVisibilityTurnsMap(
                        planet.systemID,
                        fo.empireID()).get(fo.visibility.partial, -9999)
                    planet_partial_vis_turn = universe.getVisibilityTurnsMap(
                        planet.id, fo.empireID()).get(fo.visibility.partial,
                                                      -9999)
                    if planet_partial_vis_turn == sys_partial_vis_turn and not planet.currentMeterValue(
                            fo.meterType.population):
                        print "Potential Error: Fleet %d has tentatively completed its colonize mission but will wait to confirm population." % self.fleet.id
                        print "    Order details are %s" % last_order
                        print "    Order is valid: %s; issued: %s; executed: %s" % (
                            last_order.is_valid(), last_order.order_issued,
                            last_order.executed)
                        if not last_order.is_valid():
                            source_target = last_order.fleet
                            target_target = last_order.target
                            print "        source target validity: %s; target target validity: %s " % (
                                bool(source_target), bool(target_target))
                        return  # colonize order must not have completed yet
                clear_all = True
                last_sys_target = -1
                if last_order and isinstance(last_order, OrderMilitary):
                    last_sys_target = last_order.target.id
                    # if (MissionType.SECURE == self.type) or # not doing this until decide a way to release from a SECURE mission
                    secure_targets = set(AIstate.colonyTargetedSystemIDs +
                                         AIstate.outpostTargetedSystemIDs +
                                         AIstate.invasionTargetedSystemIDs +
                                         AIstate.blockadeTargetedSystemIDs)
                    if last_sys_target in secure_targets:  # consider a secure mission
                        if last_sys_target in AIstate.colonyTargetedSystemIDs:
                            secure_type = "Colony"
                        elif last_sys_target in AIstate.outpostTargetedSystemIDs:
                            secure_type = "Outpost"
                        elif last_sys_target in AIstate.invasionTargetedSystemIDs:
                            secure_type = "Invasion"
                        elif last_sys_target in AIstate.blockadeTargetedSystemIDs:
                            secure_type = "Blockade"
                        else:
                            secure_type = "Unidentified"
                        print "Fleet %d has completed initial stage of its mission to secure system %d (targeted for %s), may release a portion of ships" % (
                            self.fleet.id, last_sys_target, secure_type)
                        clear_all = False
                fleet_id = self.fleet.id
                if clear_all:
                    if orders:
                        print "Fleet %d has completed its mission; clearing all orders and targets." % self.fleet.id
                        print "Full set of orders were:"
                        for this_order in orders:
                            print "\t\t %s" % this_order
                        self.clear_fleet_orders()
                        self.clear_target()
                        if foAI.foAIstate.get_fleet_role(fleet_id) in (
                                MissionType.MILITARY, MissionType.SECURE):
                            allocations = MilitaryAI.get_military_fleets(
                                mil_fleets_ids=[fleet_id],
                                try_reset=False,
                                thisround="Fleet %d Reassignment" % fleet_id)
                            if allocations:
                                MilitaryAI.assign_military_fleets_to_systems(
                                    use_fleet_id_list=[fleet_id],
                                    allocations=allocations)
                    else:  # no orders
                        print "No Current Orders"
                else:
                    # TODO: evaluate releasing a smaller portion or none of the ships
                    system_status = foAI.foAIstate.systemStatus.setdefault(
                        last_sys_target, {})
                    new_fleets = []
                    threat_present = (system_status.get('totalThreat', 0) !=
                                      0) or (system_status.get(
                                          'neighborThreat', 0) != 0)
                    target_system = universe.getSystem(last_sys_target)
                    if not threat_present and target_system:
                        for pid in target_system.planetIDs:
                            planet = universe.getPlanet(pid)
                            if planet and planet.owner != fo.empireID(
                            ) and planet.currentMeterValue(
                                    fo.meterType.maxDefense) > 0:
                                threat_present = True
                                break
                    if not threat_present:
                        print "No current threat in target system; releasing a portion of ships."
                        new_fleets = FleetUtilsAI.split_fleet(
                            self.fleet.id
                        )  # at least first stage of current task is done; release extra ships for potential other deployments
                    else:
                        print "Threat remains in target system; NOT releasing any ships."
                    new_military_fleets = []
                    for fleet_id in new_fleets:
                        if foAI.foAIstate.get_fleet_role(
                                fleet_id) in COMBAT_MISSION_TYPES:
                            new_military_fleets.append(fleet_id)
                    allocations = []
                    if new_military_fleets:
                        allocations = MilitaryAI.get_military_fleets(
                            mil_fleets_ids=new_military_fleets,
                            try_reset=False,
                            thisround="Fleet Reassignment %s" %
                            new_military_fleets)
                    if allocations:
                        MilitaryAI.assign_military_fleets_to_systems(
                            use_fleet_id_list=new_military_fleets,
                            allocations=allocations)
Ejemplo n.º 15
0
def evaluate_invasion_planet(planet_id):
    """Return the invasion value (score, troops) of a planet."""
    universe = fo.getUniverse()
    empire_id = fo.empireID()
    detail = []

    planet = universe.getPlanet(planet_id)
    if planet is None:
        debug("Invasion AI couldn't access any info for planet id %d" %
              planet_id)
        return [0, 0]

    system_id = planet.systemID

    # by using the following instead of simply relying on stealth meter reading,
    # can (sometimes) plan ahead even if planet is temporarily shrouded by an ion storm
    predicted_detectable = EspionageAI.colony_detectable_by_empire(
        planet_id, empire=fo.empireID(), default_result=False)
    if not predicted_detectable:
        if get_partial_visibility_turn(planet_id) < fo.currentTurn():
            debug("InvasionAI predicts planet id %d to be stealthed" %
                  planet_id)
            return [0, 0]
        else:
            debug(
                "InvasionAI predicts planet id %d to be stealthed" %
                planet_id +
                ", but somehow have current visibility anyway, will still consider as target"
            )

    # Check if the target planet was extra-stealthed somehow its system was last viewed
    # this test below may augment the tests above,
    # but can be thrown off by temporary combat-related sighting
    system_last_seen = get_partial_visibility_turn(planet_id)
    planet_last_seen = get_partial_visibility_turn(system_id)
    if planet_last_seen < system_last_seen:
        # TODO: track detection strength, order new scouting when it goes up
        debug(
            "Invasion AI considering planet id %d (stealthed at last view), still proceeding."
            % planet_id)

    # get a baseline evaluation of the planet as determined by ColonisationAI
    species_name = planet.speciesName
    species = fo.getSpecies(species_name)
    empire_research_list = tuple(element.tech
                                 for element in fo.getEmpire().researchQueue)
    if not species or AIDependencies.TAG_DESTROYED_ON_CONQUEST in species.tags:
        # this call iterates over this Empire's available species with which it could colonize after an invasion
        planet_eval = ColonisationAI.assign_colonisation_values(
            [planet_id], MissionType.INVASION, None, detail)
        colony_base_value = max(
            0.75 * planet_eval.get(planet_id, [0])[0],
            calculate_planet_colonization_rating.
            calculate_planet_colonization_rating(
                planet_id=planet_id,
                mission_type=MissionType.OUTPOST,
                spec_name=None,
                detail=detail,
                empire_research_list=empire_research_list,
            ),
        )
    else:
        colony_base_value = calculate_planet_colonization_rating.calculate_planet_colonization_rating(
            planet_id=planet_id,
            mission_type=MissionType.INVASION,
            spec_name=species_name,
            detail=detail,
            empire_research_list=empire_research_list,
        )

    # Add extra score for all buildings on the planet
    building_values = {
        "BLD_IMPERIAL_PALACE": 1000,
        "BLD_CULTURE_ARCHIVES": 1000,
        "BLD_AUTO_HISTORY_ANALYSER": 100,
        "BLD_SHIPYARD_BASE": 100,
        "BLD_SHIPYARD_ORG_ORB_INC": 200,
        "BLD_SHIPYARD_ORG_XENO_FAC": 200,
        "BLD_SHIPYARD_ORG_CELL_GRO_CHAMB": 200,
        "BLD_SHIPYARD_CON_NANOROBO": 300,
        "BLD_SHIPYARD_CON_GEOINT": 400,
        "BLD_SHIPYARD_CON_ADV_ENGINE": 1000,
        "BLD_SHIPYARD_AST": 300,
        "BLD_SHIPYARD_AST_REF": 1000,
        "BLD_SHIPYARD_ENRG_SOLAR": 1500,
        "BLD_INDUSTRY_CENTER": 500,
        "BLD_GAS_GIANT_GEN": 200,
        "BLD_SOL_ORB_GEN": 800,
        "BLD_BLACK_HOLE_POW_GEN": 2000,
        "BLD_ENCLAVE_VOID": 500,
        "BLD_NEUTRONIUM_EXTRACTOR": 2000,
        "BLD_NEUTRONIUM_SYNTH": 2000,
        "BLD_NEUTRONIUM_FORGE": 1000,
        "BLD_CONC_CAMP": 100,
        "BLD_BIOTERROR_PROJECTOR": 1000,
        "BLD_SHIPYARD_ENRG_COMP": 3000,
    }
    bld_tally = 0
    for bldType in [
            universe.getBuilding(bldg).buildingTypeName
            for bldg in planet.buildingIDs
    ]:
        bval = building_values.get(bldType, 50)
        bld_tally += bval
        detail.append("%s: %d" % (bldType, bval))

    # Add extra score for unlocked techs when we conquer the species
    tech_tally = 0
    value_per_pp = 4
    for unlocked_tech in AIDependencies.SPECIES_TECH_UNLOCKS.get(
            species_name, []):
        if not tech_is_complete(unlocked_tech):
            rp_cost = fo.getTech(unlocked_tech).researchCost(empire_id)
            tech_value = value_per_pp * rp_cost
            tech_tally += tech_value
            detail.append("%s: %d" % (unlocked_tech, tech_value))

    least_jumps_path, max_jumps = _get_path_from_capital(planet)
    clear_path = True

    aistate = get_aistate()
    system_status = aistate.systemStatus.get(system_id, {})
    system_fleet_treat = system_status.get("fleetThreat", 1000)
    system_monster_threat = system_status.get("monsterThreat", 0)
    sys_total_threat = system_fleet_treat + system_monster_threat + system_status.get(
        "planetThreat", 0)
    max_path_threat = system_fleet_treat
    mil_ship_rating = MilitaryAI.cur_best_mil_ship_rating()
    for path_sys_id in least_jumps_path:
        path_leg_status = aistate.systemStatus.get(path_sys_id, {})
        path_leg_threat = path_leg_status.get(
            "fleetThreat", 1000) + path_leg_status.get("monsterThreat", 0)
        if path_leg_threat > 0.5 * mil_ship_rating:
            clear_path = False
            if path_leg_threat > max_path_threat:
                max_path_threat = path_leg_threat

    pop = planet.currentMeterValue(fo.meterType.population)
    target_pop = planet.currentMeterValue(fo.meterType.targetPopulation)
    troops = planet.currentMeterValue(fo.meterType.troops)
    troop_regen = planet.currentMeterValue(
        fo.meterType.troops) - planet.initialMeterValue(fo.meterType.troops)
    max_troops = planet.currentMeterValue(fo.meterType.maxTroops)
    # TODO: refactor troop determination into function for use in mid-mission updates and also consider defender techs
    max_troops += AIDependencies.TROOPS_PER_POP * (target_pop - pop)

    this_system = universe.getSystem(system_id)
    secure_targets = [system_id] + list(this_system.planetIDs)
    system_secured = False

    secure_fleets = get_aistate().get_fleet_missions_with_any_mission_types(
        [MissionType.SECURE, MissionType.MILITARY])
    for mission in secure_fleets:
        secure_fleet_id = mission.fleet.id
        s_fleet = universe.getFleet(secure_fleet_id)
        if not s_fleet or s_fleet.systemID != system_id:
            continue
        if mission.type in [MissionType.SECURE, MissionType.MILITARY]:
            target_obj = mission.target.get_object()
            if target_obj is not None and target_obj.id in secure_targets:
                system_secured = True
                break
    system_secured = system_secured and system_status.get("myFleetRating", 0)
    debug(
        "Invasion eval of %s\n"
        " - maxShields: %.1f\n"
        " - sysFleetThreat: %.1f\n"
        " - sysMonsterThreat: %.1f",
        planet,
        planet.currentMeterValue(fo.meterType.maxShield),
        system_fleet_treat,
        system_monster_threat,
    )
    enemy_val = 0
    if planet.owner != -1:  # value in taking this away from an enemy
        enemy_val = 20 * (
            planet.currentMeterValue(fo.meterType.targetIndustry) +
            2 * planet.currentMeterValue(fo.meterType.targetResearch))

    # devalue invasions that would require too much military force
    preferred_max_portion = MilitaryAI.get_preferred_max_military_portion_for_single_battle(
    )
    total_max_mil_rating = MilitaryAI.get_concentrated_tot_mil_rating()
    threat_exponent = 2  # TODO: make this a character trait; higher aggression with a lower exponent
    threat_factor = min(
        1, preferred_max_portion * total_max_mil_rating /
        (sys_total_threat + 0.001))**threat_exponent

    design_id, _, locs = get_best_ship_info(PriorityType.PRODUCTION_INVASION)
    if not locs or not universe.getPlanet(locs[0]):
        # We are in trouble anyway, so just calculate whatever approximation...
        build_time = 4
        planned_troops = troops if system_secured else min(
            troops + troop_regen * (max_jumps + build_time), max_troops)
        planned_troops += 0.01  # we must attack with more troops than there are defenders
        troop_cost = math.ceil((planned_troops + _TROOPS_SAFETY_MARGIN) /
                               6.0) * 20 * FleetUtilsAI.get_fleet_upkeep()
    else:
        loc = locs[0]
        species_here = universe.getPlanet(loc).speciesName
        design = fo.getShipDesign(design_id)
        cost_per_ship = design.productionCost(empire_id, loc)
        build_time = design.productionTime(empire_id, loc)
        troops_per_ship = CombatRatingsAI.weight_attack_troops(
            design.troopCapacity,
            get_species_tag_grade(species_here, Tags.ATTACKTROOPS))
        planned_troops = troops if system_secured else min(
            troops + troop_regen * (max_jumps + build_time), max_troops)
        planned_troops += 0.01  # we must attack with more troops than there are defenders
        ships_needed = math.ceil(
            (planned_troops + _TROOPS_SAFETY_MARGIN) / float(troops_per_ship))
        troop_cost = ships_needed * cost_per_ship  # fleet upkeep is already included in query from server

    # apply some bias to expensive operations
    normalized_cost = float(troop_cost) / max(fo.getEmpire().productionPoints,
                                              1)
    normalized_cost = max(1.0, normalized_cost)
    cost_score = (normalized_cost**2 / 50.0) * troop_cost

    base_score = colony_base_value + bld_tally + tech_tally + enemy_val - cost_score
    # If the AI does have enough total military to attack this target, and the target is more than minimally valuable,
    # don't let the threat_factor discount the adjusted value below MIN_INVASION_SCORE +1, so that if there are no
    # other targets the AI could still pursue this one.  Otherwise, scoring pressure from
    # MilitaryAI.get_preferred_max_military_portion_for_single_battle might prevent the AI from attacking heavily
    # defended but still defeatable targets even if it has no softer targets available.
    if total_max_mil_rating > sys_total_threat and base_score > 2 * MIN_INVASION_SCORE:
        threat_factor = max(threat_factor,
                            (MIN_INVASION_SCORE + 1) / base_score)
    planet_score = retaliation_risk_factor(planet.owner) * threat_factor * max(
        0, base_score)
    if clear_path:
        planet_score *= 1.5
    debug(
        " - planet score: %.2f\n"
        " - planned troops: %.2f\n"
        " - projected troop cost: %.1f\n"
        " - threat factor: %s\n"
        " - planet detail: %s\n"
        " - popval: %.1f\n"
        " - bldval: %s\n"
        " - enemyval: %s",
        planet_score,
        planned_troops,
        troop_cost,
        threat_factor,
        detail,
        colony_base_value,
        bld_tally,
        enemy_val,
    )
    debug(" - system secured: %s" % system_secured)
    return [planet_score, planned_troops]
Ejemplo n.º 16
0
def evaluate_invasion_planet(planet_id, empire, secure_fleet_missions, verbose=True):
    """Return the invasion value (score, troops) of a planet."""
    detail = []
    building_values = {"BLD_IMPERIAL_PALACE": 1000,
                       "BLD_CULTURE_ARCHIVES": 1000,
                       "BLD_SHIPYARD_BASE": 100,
                       "BLD_SHIPYARD_ORG_ORB_INC": 200,
                       "BLD_SHIPYARD_ORG_XENO_FAC": 200,
                       "BLD_SHIPYARD_ORG_CELL_GRO_CHAMB": 200,
                       "BLD_SHIPYARD_CON_NANOROBO": 300,
                       "BLD_SHIPYARD_CON_GEOINT": 400,
                       "BLD_SHIPYARD_CON_ADV_ENGINE": 1000,
                       "BLD_SHIPYARD_AST": 300,
                       "BLD_SHIPYARD_AST_REF": 1000,
                       "BLD_SHIPYARD_ENRG_SOLAR": 1500,
                       "BLD_INDUSTRY_CENTER": 500,
                       "BLD_GAS_GIANT_GEN": 200,
                       "BLD_SOL_ORB_GEN": 800,
                       "BLD_BLACK_HOLE_POW_GEN": 2000,
                       "BLD_ENCLAVE_VOID": 500,
                       "BLD_NEUTRONIUM_EXTRACTOR": 2000,
                       "BLD_NEUTRONIUM_SYNTH": 2000,
                       "BLD_NEUTRONIUM_FORGE": 1000,
                       "BLD_CONC_CAMP": 100,
                       "BLD_BIOTERROR_PROJECTOR": 1000,
                       "BLD_SHIPYARD_ENRG_COMP": 3000,
                       }
    # TODO: add more factors, as used for colonization
    universe = fo.getUniverse()
    empire_id = empire.empireID
    max_jumps = 8
    planet = universe.getPlanet(planet_id)
    if planet is None:  # TODO: exclude planets with stealth higher than empireDetection
        print "invasion AI couldn't access any info for planet id %d" % planet_id
        return [0, 0]

    sys_partial_vis_turn = universe.getVisibilityTurnsMap(planet.systemID, empire_id).get(fo.visibility.partial, -9999)
    planet_partial_vis_turn = universe.getVisibilityTurnsMap(planet_id, empire_id).get(fo.visibility.partial, -9999)

    if planet_partial_vis_turn < sys_partial_vis_turn:
        print "invasion AI couldn't get current info on planet id %d (was stealthed at last sighting)" % planet_id
        # TODO: track detection strength, order new scouting when it goes up
        return [0, 0]  # last time we had partial vis of the system, the planet was stealthed to us

    species_name = planet.speciesName
    species = fo.getSpecies(species_name)
    if not species:  # this call iterates over this Empire's available species with which it could colonize after an invasion
        planet_eval = ColonisationAI.assign_colonisation_values([planet_id], EnumsAI.AIFleetMissionType.FLEET_MISSION_INVASION, None, empire, detail)
        pop_val = max(0.75*planet_eval.get(planet_id, [0])[0], ColonisationAI.evaluate_planet(planet_id, EnumsAI.AIFleetMissionType.FLEET_MISSION_OUTPOST, None, empire, detail))
    else:
        pop_val = ColonisationAI.evaluate_planet(planet_id, EnumsAI.AIFleetMissionType.FLEET_MISSION_INVASION, species_name, empire, detail)

    bld_tally = 0
    for bldType in [universe.getObject(bldg).buildingTypeName for bldg in planet.buildingIDs]:
        bval = building_values.get(bldType, 50)
        bld_tally += bval
        detail.append("%s: %d" % (bldType, bval))

    p_sys_id = planet.systemID
    capitol_id = PlanetUtilsAI.get_capital()
    least_jumps_path = []
    clear_path = True
    if capitol_id:
        homeworld = universe.getPlanet(capitol_id)
        if homeworld:
            home_system_id = homeworld.systemID
            eval_system_id = planet.systemID
            if (home_system_id != -1) and (eval_system_id != -1):
                least_jumps_path = list(universe.leastJumpsPath(home_system_id, eval_system_id, empire_id))
                max_jumps = len(least_jumps_path)
    system_status = foAI.foAIstate.systemStatus.get(p_sys_id, {})
    system_fleet_treat = system_status.get('fleetThreat', 1000)
    system_monster_threat = system_status.get('monsterThreat', 0)
    sys_total_threat = system_fleet_treat + system_monster_threat + system_status.get('planetThreat', 0)
    max_path_threat = system_fleet_treat
    mil_ship_rating = MilitaryAI.cur_best_mil_ship_rating()
    for path_sys_id in least_jumps_path:
        path_leg_status = foAI.foAIstate.systemStatus.get(path_sys_id, {})
        path_leg_threat = path_leg_status.get('fleetThreat', 1000) + path_leg_status.get('monsterThreat', 0)
        if path_leg_threat > 0.5 * mil_ship_rating:
            clear_path = False
            if path_leg_threat > max_path_threat:
                max_path_threat = path_leg_threat

    troops = planet.currentMeterValue(fo.meterType.troops)
    max_troops = planet.currentMeterValue(fo.meterType.maxTroops)

    this_system = universe.getSystem(p_sys_id)
    secure_targets = [p_sys_id] + list(this_system.planetIDs)
    system_secured = False
    for mission in secure_fleet_missions:
        if system_secured:
            break
        secure_fleet_id = mission.target_id
        s_fleet = universe.getFleet(secure_fleet_id)
        if not s_fleet or s_fleet.systemID != p_sys_id:
            continue
        for ai_target in mission.get_targets(EnumsAI.AIFleetMissionType.FLEET_MISSION_SECURE):
            target_obj = ai_target.target_obj
            if (target_obj is not None) and target_obj.id in secure_targets:
                system_secured = True
                break

    if verbose:
        print "invasion eval of %s %d --- maxShields %.1f -- sysFleetThreat %.1f -- sysMonsterThreat %.1f" % (
            planet.name, planet_id, planet.currentMeterValue(fo.meterType.maxShield), system_fleet_treat,
            system_monster_threat)
    supply_val = 0
    enemy_val = 0
    if planet.owner != -1:  # value in taking this away from an enemy
        enemy_val = 20 * (planet.currentMeterValue(fo.meterType.targetIndustry) + 2*planet.currentMeterValue(fo.meterType.targetResearch))
    if p_sys_id in ColonisationAI.annexable_system_ids:  # TODO: extend to rings
        supply_val = 100
    elif p_sys_id in ColonisationAI.annexable_ring1:
        supply_val = 200
    elif p_sys_id in ColonisationAI.annexable_ring2:
        supply_val = 300
    elif p_sys_id in ColonisationAI.annexable_ring3:
        supply_val = 400
    if max_path_threat > 0.5 * mil_ship_rating:
        if max_path_threat < 3 * mil_ship_rating:
            supply_val *= 0.5
        else:
            supply_val *= 0.2
        
    threat_factor = min(1, 0.2*MilitaryAI.totMilRating/(sys_total_threat+0.001))**2  # devalue invasions that would require too much military force
    build_time = 4

    planned_troops = troops if system_secured else min(troops+max_jumps+build_time, max_troops)
    if not tech_is_complete("SHP_ORG_HULL"):
        troop_cost = math.ceil(planned_troops/6.0) * (40*(1+foAI.foAIstate.shipCount * AIDependencies.SHIP_UPKEEP))
    else:
        troop_cost = math.ceil(planned_troops/6.0) * (20*(1+foAI.foAIstate.shipCount * AIDependencies.SHIP_UPKEEP))
    planet_score = retaliation_risk_factor(planet.owner) * threat_factor * max(0, pop_val+supply_val+bld_tally+enemy_val-0.8*troop_cost)
    if clear_path:
        planet_score *= 1.5
    invasion_score = [planet_score, planned_troops]
    print invasion_score, "projected Troop Cost:", troop_cost, ", threatFactor: ", threat_factor, ", planet detail ", detail, "popval, supplyval, bldval, enemyval", pop_val, supply_val, bld_tally, enemy_val
    return invasion_score
Ejemplo n.º 17
0
    def issue_fleet_orders(self):
        """issues AIFleetOrders which can be issued in system and moves to next one if is possible"""
        # TODO: priority
        order_completed = True

        debug(
            "\nChecking orders for fleet %s (on turn %d), with mission type %s"
            % (self.fleet.get_object(), fo.currentTurn(), self.type
               or 'No mission'))
        if MissionType.INVASION == self.type:
            self._check_retarget_invasion()
        just_issued_move_order = False
        last_move_target_id = INVALID_ID
        # Note: the following abort check somewhat assumes only one major mission type
        for fleet_order in self.orders:
            if (isinstance(fleet_order,
                           (OrderColonize, OrderOutpost, OrderInvade))
                    and self._check_abort_mission(fleet_order)):
                return
        aistate = get_aistate()
        for fleet_order in self.orders:
            if just_issued_move_order and self.fleet.get_object(
            ).systemID != last_move_target_id:
                # having just issued a move order, we will normally stop issuing orders this turn, except that if there
                # are consecutive move orders we will consider moving through the first destination rather than stopping
                # Without the below noinspection directive, PyCharm is concerned about the 2nd part of the test
                # noinspection PyTypeChecker
                if (not isinstance(fleet_order, OrderMove)
                        or self.need_to_pause_movement(last_move_target_id,
                                                       fleet_order)):
                    break
            debug("Checking order: %s" % fleet_order)
            self.check_mergers(context=str(fleet_order))
            if fleet_order.can_issue_order(verbose=False):
                if isinstance(
                        fleet_order, OrderMove
                ) and order_completed:  # only move if all other orders completed
                    debug("Issuing fleet order %s" % fleet_order)
                    fleet_order.issue_order()
                    just_issued_move_order = True
                    last_move_target_id = fleet_order.target.id
                elif not isinstance(fleet_order, OrderMove):
                    debug("Issuing fleet order %s" % fleet_order)
                    fleet_order.issue_order()
                else:
                    debug(
                        "NOT issuing (even though can_issue) fleet order %s" %
                        fleet_order)
                debug("Order issued: %s" % fleet_order.order_issued)
                if not fleet_order.executed:
                    order_completed = False
            else:  # check that we're not held up by a Big Monster
                if fleet_order.order_issued:
                    # A previously issued order that wasn't instantly executed must have had cirumstances change so that
                    # the order can't currently be reissued (or perhaps simply a savegame has been reloaded on the same
                    # turn the order was issued).
                    if not fleet_order.executed:
                        order_completed = False
                    # Go on to the next order.
                    continue
                debug("CAN'T issue fleet order %s" % fleet_order)
                if isinstance(fleet_order, OrderMove):
                    this_system_id = fleet_order.target.id
                    this_status = aistate.systemStatus.setdefault(
                        this_system_id, {})
                    threat_threshold = fo.currentTurn(
                    ) * MilitaryAI.cur_best_mil_ship_rating() / 4.0
                    if this_status.get('monsterThreat', 0) > threat_threshold:
                        # if this move order is not this mil fleet's final destination, and blocked by Big Monster,
                        # release and hope for more effective reassignment
                        if (self.type not in (MissionType.MILITARY,
                                              MissionType.SECURE)
                                or fleet_order != self.orders[-1]):
                            debug(
                                "Aborting mission due to being blocked by Big Monster at system %d, threat %d"
                                % (this_system_id,
                                   aistate.systemStatus[this_system_id]
                                   ['monsterThreat']))
                            debug("Full set of orders were:")
                            for this_order in self.orders:
                                debug(" - %s" % this_order)
                            self.clear_fleet_orders()
                            self.clear_target()
                            return
                break  # do not order the next order until this one is finished.
        else:  # went through entire order list
            if order_completed:
                debug("Final order is completed")
                orders = self.orders
                last_order = orders[-1] if orders else None
                universe = fo.getUniverse()

                if last_order and isinstance(last_order, OrderColonize):
                    planet = universe.getPlanet(last_order.target.id)
                    sys_partial_vis_turn = get_partial_visibility_turn(
                        planet.systemID)
                    planet_partial_vis_turn = get_partial_visibility_turn(
                        planet.id)
                    if (planet_partial_vis_turn == sys_partial_vis_turn
                            and not planet.initialMeterValue(
                                fo.meterType.population)):
                        warn(
                            "Fleet %d has tentatively completed its "
                            "colonize mission but will wait to confirm population."
                            % self.fleet.id)
                        debug("    Order details are %s" % last_order)
                        debug(
                            "    Order is valid: %s; issued: %s; executed: %s"
                            % (last_order.is_valid(), last_order.order_issued,
                               last_order.executed))
                        if not last_order.is_valid():
                            source_target = last_order.fleet
                            target_target = last_order.target
                            debug(
                                "        source target validity: %s; target target validity: %s "
                                % (bool(source_target), bool(target_target)))
                        return  # colonize order must not have completed yet
                clear_all = True
                last_sys_target = INVALID_ID
                if last_order and isinstance(last_order, OrderMilitary):
                    last_sys_target = last_order.target.id
                    # not doing this until decide a way to release from a SECURE mission
                    # if (MissionType.SECURE == self.type) or
                    secure_targets = set(AIstate.colonyTargetedSystemIDs +
                                         AIstate.outpostTargetedSystemIDs +
                                         AIstate.invasionTargetedSystemIDs)
                    if last_sys_target in secure_targets:  # consider a secure mission
                        if last_sys_target in AIstate.colonyTargetedSystemIDs:
                            secure_type = "Colony"
                        elif last_sys_target in AIstate.outpostTargetedSystemIDs:
                            secure_type = "Outpost"
                        elif last_sys_target in AIstate.invasionTargetedSystemIDs:
                            secure_type = "Invasion"
                        else:
                            secure_type = "Unidentified"
                        debug(
                            "Fleet %d has completed initial stage of its mission "
                            "to secure system %d (targeted for %s), "
                            "may release a portion of ships" %
                            (self.fleet.id, last_sys_target, secure_type))
                        clear_all = False
                fleet_id = self.fleet.id
                if clear_all:
                    if orders:
                        debug(
                            "Fleet %d has completed its mission; clearing all orders and targets."
                            % self.fleet.id)
                        debug("Full set of orders were:")
                        for this_order in orders:
                            debug("\t\t %s" % this_order)
                        self.clear_fleet_orders()
                        self.clear_target()
                        if aistate.get_fleet_role(fleet_id) in (
                                MissionType.MILITARY, MissionType.SECURE):
                            allocations = MilitaryAI.get_military_fleets(
                                mil_fleets_ids=[fleet_id],
                                try_reset=False,
                                thisround="Fleet %d Reassignment" % fleet_id)
                            if allocations:
                                MilitaryAI.assign_military_fleets_to_systems(
                                    use_fleet_id_list=[fleet_id],
                                    allocations=allocations)
                    else:  # no orders
                        debug("No Current Orders")
                else:
                    # TODO: evaluate releasing a smaller portion or none of the ships
                    system_status = aistate.systemStatus.setdefault(
                        last_sys_target, {})
                    new_fleets = []
                    threat_present = system_status.get(
                        'totalThreat', 0) + system_status.get(
                            'neighborThreat', 0) > 0
                    target_system = universe.getSystem(last_sys_target)
                    if not threat_present and target_system:
                        for pid in target_system.planetIDs:
                            planet = universe.getPlanet(pid)
                            if (planet and planet.owner != fo.empireID()
                                    and planet.currentMeterValue(
                                        fo.meterType.maxDefense) > 0):
                                threat_present = True
                                break
                    if not threat_present:
                        debug(
                            "No current threat in target system; releasing a portion of ships."
                        )
                        # at least first stage of current task is done;
                        # release extra ships for potential other deployments
                        new_fleets = FleetUtilsAI.split_fleet(self.fleet.id)
                    else:
                        debug(
                            "Threat remains in target system; NOT releasing any ships."
                        )
                    new_military_fleets = []
                    for fleet_id in new_fleets:
                        if aistate.get_fleet_role(
                                fleet_id) in COMBAT_MISSION_TYPES:
                            new_military_fleets.append(fleet_id)
                    allocations = []
                    if new_military_fleets:
                        allocations = MilitaryAI.get_military_fleets(
                            mil_fleets_ids=new_military_fleets,
                            try_reset=False,
                            thisround="Fleet Reassignment %s" %
                            new_military_fleets)
                    if allocations:
                        MilitaryAI.assign_military_fleets_to_systems(
                            use_fleet_id_list=new_military_fleets,
                            allocations=allocations)
Ejemplo n.º 18
0
    def update_system_status(self):
        print 10 * "=", "Updating System Threats", 10 * "="
        universe = fo.getUniverse()
        empire = fo.getEmpire()
        empire_id = fo.empireID()
        destroyed_object_ids = universe.destroyedObjectIDs(empire_id)
        supply_unobstructed_systems = set(empire.supplyUnobstructedSystems)
        min_hidden_attack = 4
        min_hidden_health = 8
        system_id_list = universe.systemIDs  # will normally look at this, the list of all known systems

        # for use in debugging
        verbose = False

        # assess enemy fleets that may have been momentarily visible
        cur_e_fighters = {
            CombatRatingsAI.default_ship_stats().get_stats(hashable=True): [0]
        }  # start with a dummy entry
        old_e_fighters = {
            CombatRatingsAI.default_ship_stats().get_stats(hashable=True): [0]
        }  # start with a dummy entry
        enemy_fleet_ids = []
        enemies_by_system = {}
        my_fleets_by_system = {}
        fleet_spot_position = {}
        saw_enemies_at_system = {}
        my_milship_rating = MilitaryAI.cur_best_mil_ship_rating()
        current_turn = fo.currentTurn()
        for fleet_id in universe.fleetIDs:
            fleet = universe.getFleet(fleet_id)
            if fleet is None:
                continue
            if not fleet.empty:
                # TODO: check if currently in system and blockaded before accepting destination as location
                this_system_id = (fleet.nextSystemID != INVALID_ID
                                  and fleet.nextSystemID) or fleet.systemID
                if fleet.ownedBy(empire_id):
                    if fleet_id not in destroyed_object_ids:
                        my_fleets_by_system.setdefault(this_system_id,
                                                       []).append(fleet_id)
                        fleet_spot_position.setdefault(fleet.systemID,
                                                       []).append(fleet_id)
                else:
                    dead_fleet = fleet_id in destroyed_object_ids
                    if not fleet.ownedBy(-1) and (fleet.hasArmedShips
                                                  or fleet.hasFighterShips):
                        ship_stats = CombatRatingsAI.FleetCombatStats(
                            fleet_id).get_ship_stats(hashable=True)
                        e_f_dict = [
                            cur_e_fighters, old_e_fighters
                        ][dead_fleet]  # track old/dead enemy fighters for rating assessments in case not enough current info
                        for stats in ship_stats:
                            attacks = stats[0]
                            if attacks:
                                e_f_dict.setdefault(stats, [0])[0] += 1
                    partial_vis_turn = universe.getVisibilityTurnsMap(
                        fleet_id, empire_id).get(fo.visibility.partial, -9999)
                    if not dead_fleet:
                        # TODO: consider checking death of individual ships.  If ships had been moved from this fleet
                        # into another fleet, we might have witnessed their death in that other fleet but if this fleet
                        # had not been seen since before that transfer then the ships might also still be listed here.
                        sys_status = self.systemStatus.setdefault(
                            this_system_id, {})
                        sys_status['enemy_ship_count'] = sys_status.get(
                            'enemy_ship_count', 0) + len(fleet.shipIDs)
                        if partial_vis_turn >= current_turn - 1:  # only interested in immediately recent data
                            saw_enemies_at_system[fleet.systemID] = True
                            enemy_fleet_ids.append(fleet_id)
                            enemies_by_system.setdefault(this_system_id,
                                                         []).append(fleet_id)
                            if not fleet.ownedBy(-1):
                                self.misc.setdefault('enemies_sighted',
                                                     {}).setdefault(
                                                         current_turn,
                                                         []).append(fleet_id)
                                rating = CombatRatingsAI.get_fleet_rating(
                                    fleet_id,
                                    enemy_stats=CombatRatingsAI.
                                    get_empire_standard_fighter())
                                if rating > 0.25 * my_milship_rating:
                                    self.misc.setdefault(
                                        'dangerous_enemies_sighted',
                                        {}).setdefault(current_turn,
                                                       []).append(fleet_id)
        e_f_dict = [cur_e_fighters, old_e_fighters][len(cur_e_fighters) == 1]
        std_fighter = sorted([(v, k) for k, v in e_f_dict.items()])[-1][1]
        self.__empire_standard_enemy = std_fighter
        self.empire_standard_enemy_rating = self.get_standard_enemy(
        ).get_rating()
        # TODO: If no current information available, rate against own fighters

        # assess fleet and planet threats & my local fleets
        for sys_id in system_id_list:
            sys_status = self.systemStatus.setdefault(sys_id, {})
            system = universe.getSystem(sys_id)
            if verbose:
                print "AIState threat evaluation for %s" % system
            # update fleets
            sys_status['myfleets'] = my_fleets_by_system.get(sys_id, [])
            sys_status['myFleetsAccessible'] = fleet_spot_position.get(
                sys_id, [])
            local_enemy_fleet_ids = enemies_by_system.get(sys_id, [])
            sys_status['localEnemyFleetIDs'] = local_enemy_fleet_ids
            if system:
                sys_status['name'] = system.name
                for fid in system.fleetIDs:
                    if fid in destroyed_object_ids:  # TODO: double check are these checks/deletes necessary?
                        self.delete_fleet_info(
                            fid)  # this is safe even if fleet wasn't mine
                        continue
                    fleet = universe.getFleet(fid)
                    if not fleet or fleet.empty:
                        self.delete_fleet_info(
                            fid)  # this is safe even if fleet wasn't mine
                        continue

            # update threats
            sys_vis_dict = universe.getVisibilityTurnsMap(
                sys_id, fo.empireID())
            partial_vis_turn = sys_vis_dict.get(fo.visibility.partial, -9999)
            mob_ratings = []  # for mobile unowned monster fleets
            lost_fleet_rating = 0
            enemy_ratings = []
            monster_ratings = []
            mobile_fleets = []
            for fid in local_enemy_fleet_ids:
                fleet = universe.getFleet(fid)
                if not fleet:
                    continue
                fleet_rating = CombatRatingsAI.get_fleet_rating(
                    fid,
                    enemy_stats=CombatRatingsAI.get_empire_standard_fighter())
                if fleet.speed == 0:
                    monster_ratings.append(fleet_rating)
                    if verbose:
                        print "\t immobile enemy fleet %s has rating %.1f" % (
                            fleet, fleet_rating)
                else:
                    if verbose:
                        print "\t mobile enemy fleet %s has rating %.1f" % (
                            fleet, fleet_rating)
                    mobile_fleets.append(fid)
                    if fleet.unowned:
                        mob_ratings.append(fleet_rating)
                    else:
                        enemy_ratings.append(fleet_rating)
            enemy_rating = CombatRatingsAI.combine_ratings_list(enemy_ratings)
            monster_rating = CombatRatingsAI.combine_ratings_list(
                monster_ratings)
            mob_rating = CombatRatingsAI.combine_ratings_list(mob_ratings)
            if fleetsLostBySystem.get(sys_id, []):
                lost_fleet_rating = CombatRatingsAI.combine_ratings_list(
                    fleetsLostBySystem[sys_id])
            if not system or partial_vis_turn == -9999:  # under current visibility rules should not be possible to have any losses or other info here, but just in case...
                if verbose:
                    print "Have never had partial vis for system %d ( %s ) -- basing threat assessment on old info and lost ships" % (
                        sys_id, sys_status.get('name', "name unknown"))
                sys_status.setdefault('local_fleet_threats', set())
                sys_status['planetThreat'] = 0
                sys_status['fleetThreat'] = int(
                    max(
                        CombatRatingsAI.combine_ratings(
                            enemy_rating, mob_rating),
                        0.98 * sys_status.get('fleetThreat', 0),
                        1.1 * lost_fleet_rating - monster_rating))
                sys_status['monsterThreat'] = int(
                    max(monster_rating,
                        0.98 * sys_status.get('monsterThreat', 0),
                        1.1 * lost_fleet_rating - enemy_rating - mob_rating))
                sys_status['enemy_threat'] = int(
                    max(enemy_rating, 0.98 * sys_status.get('enemy_threat', 0),
                        1.1 * lost_fleet_rating - monster_rating - mob_rating))
                sys_status['mydefenses'] = {
                    'overall': 0,
                    'attack': 0,
                    'health': 0
                }
                sys_status['totalThreat'] = sys_status['fleetThreat']
                sys_status['regional_fleet_threats'] = sys_status[
                    'local_fleet_threats'].copy()
                continue

            # have either stale or current info
            pattack = 0
            phealth = 0
            mypattack, myphealth = 0, 0
            for pid in system.planetIDs:
                prating = self.assess_planet_threat(pid,
                                                    sighting_age=current_turn -
                                                    partial_vis_turn)
                planet = universe.getPlanet(pid)
                if not planet:
                    continue
                if planet.owner == self.empireID:  # TODO: check for diplomatic status
                    mypattack += prating['attack']
                    myphealth += prating['health']
                else:
                    if [
                            special for special in planet.specials
                            if "_NEST_" in special
                    ]:
                        sys_status['nest_threat'] = 100
                    pattack += prating['attack']
                    phealth += prating['health']
            sys_status['planetThreat'] = pattack * phealth
            sys_status['mydefenses'] = {
                'overall': mypattack * myphealth,
                'attack': mypattack,
                'health': myphealth
            }

            if max(
                    sys_status.get('totalThreat', 0), pattack * phealth
            ) >= 0.6 * lost_fleet_rating:  # previous threat assessment could account for losses, ignore the losses now
                lost_fleet_rating = 0

            # TODO use sitrep combat info rather than estimating stealthed enemies by fleets lost to them
            # TODO also only consider past stealthed fleet threat to still be present if the system is still obstructed
            # TODO: track visibility across turns in order to distinguish the blip of visibility in (losing) combat,
            # which FO currently treats as being for the previous turn, partially superseding the previous visibility for that turn
            if not partial_vis_turn == current_turn:  # (universe.getVisibility(sys_id, self.empire_id) >= fo.visibility.partial):
                sys_status.setdefault('local_fleet_threats', set())
                sys_status['currently_visible'] = False
                # print "Stale visibility for system %d ( %s ) -- last seen %d, current Turn %d -- basing threat assessment on old info and lost ships"%(sys_id, sys_status.get('name', "name unknown"), partial_vis_turn, currentTurn)
                sys_status['fleetThreat'] = int(
                    max(
                        CombatRatingsAI.combine_ratings(
                            enemy_rating, mob_rating),
                        0.98 * sys_status.get('fleetThreat', 0),
                        2.0 * lost_fleet_rating -
                        max(sys_status.get('monsterThreat', 0),
                            monster_rating)))
                sys_status['enemy_threat'] = int(
                    max(
                        enemy_rating, 0.98 * sys_status.get('enemy_threat', 0),
                        1.1 * lost_fleet_rating -
                        max(sys_status.get('monsterThreat', 0),
                            monster_rating)))
                sys_status['monsterThreat'] = int(
                    max(monster_rating,
                        0.98 * sys_status.get('monsterThreat', 0)))
                # sys_status['totalThreat'] = ((pattack + enemy_attack + monster_attack) ** 0.8) * ((phealth + enemy_health + monster_health)** 0.6)  # reevaluate this
                sys_status['totalThreat'] = max(
                    CombatRatingsAI.combine_ratings_list([
                        enemy_rating, mob_rating, monster_rating,
                        pattack * phealth
                    ]), 2 * lost_fleet_rating,
                    0.98 * sys_status.get('totalThreat', 0))
            else:  # system considered visible #TODO: reevaluate as visibility rules change
                sys_status['currently_visible'] = True
                sys_status['local_fleet_threats'] = set(mobile_fleets)
                sys_status['fleetThreat'] = int(
                    max(
                        CombatRatingsAI.combine_ratings(
                            enemy_rating, mob_rating), 2 * lost_fleet_rating -
                        monster_rating))  # includes mobile monsters
                if verbose:
                    print "enemy threat calc parts: enemy rating %.1f, lost fleet rating %.1f, monster_rating %.1f" % (
                        enemy_rating, lost_fleet_rating, monster_rating)
                sys_status['enemy_threat'] = int(
                    max(enemy_rating, 2 * lost_fleet_rating -
                        monster_rating))  # does NOT include mobile monsters
                sys_status['monsterThreat'] = monster_rating
                sys_status[
                    'totalThreat'] = CombatRatingsAI.combine_ratings_list([
                        enemy_rating, mob_rating, monster_rating,
                        pattack * phealth
                    ])
            sys_status['regional_fleet_threats'] = sys_status[
                'local_fleet_threats'].copy()
            sys_status['fleetThreat'] = max(sys_status['fleetThreat'],
                                            sys_status.get('nest_threat', 0))
            sys_status['totalThreat'] = max(sys_status['totalThreat'],
                                            sys_status.get('nest_threat', 0))

            if partial_vis_turn > 0 and sys_id not in supply_unobstructed_systems:  # has been seen with Partial Vis, but is currently supply-blocked
                sys_status['fleetThreat'] = max(
                    sys_status['fleetThreat'],
                    min_hidden_attack * min_hidden_health)
                sys_status['totalThreat'] = max(
                    sys_status['totalThreat'],
                    ((pattack + min_hidden_attack)**0.8) *
                    ((phealth + min_hidden_health)**0.6))
            if verbose and sys_status['fleetThreat'] > 0:
                print "%s intermediate status: %s" % (system, sys_status)

        enemy_supply, enemy_near_supply = self.assess_enemy_supply(
        )  # TODO: assess change in enemy supply over time
        # assess secondary threats (threats of surrounding systems) and update my fleet rating
        for sys_id in system_id_list:
            sys_status = self.systemStatus[sys_id]
            sys_status['enemies_supplied'] = enemy_supply.get(sys_id, [])
            sys_status['enemies_nearly_supplied'] = enemy_near_supply.get(
                sys_id, [])
            my_ratings_list = []
            my_ratings_against_planets_list = []
            for fid in sys_status['myfleets']:
                this_rating = self.get_rating(fid, True,
                                              self.get_standard_enemy())
                my_ratings_list.append(this_rating)
                my_ratings_against_planets_list.append(
                    self.get_rating(fid, against_planets=True))
            if sys_id != INVALID_ID:
                sys_status[
                    'myFleetRating'] = CombatRatingsAI.combine_ratings_list(
                        my_ratings_list)
                sys_status[
                    'myFleetRatingVsPlanets'] = CombatRatingsAI.combine_ratings_list(
                        my_ratings_against_planets_list)
                sys_status[
                    'all_local_defenses'] = CombatRatingsAI.combine_ratings(
                        sys_status['myFleetRating'],
                        sys_status['mydefenses']['overall'])
            sys_status['neighbors'] = set(
                dict_from_map(
                    universe.getSystemNeighborsMap(sys_id, self.empireID)))

        for sys_id in system_id_list:
            sys_status = self.systemStatus[sys_id]
            neighbors = sys_status.get('neighbors', set())
            this_system = fo.getUniverse().getSystem(sys_id)
            if verbose:
                print "Regional Assessment for %s with local fleet threat %.1f" % (
                    this_system, sys_status.get('fleetThreat', 0))
            jumps2 = set()
            jumps3 = set()
            jumps4 = set()
            for seta, setb in [(neighbors, jumps2), (jumps2, jumps3),
                               (jumps3, jumps4)]:
                for sys2id in seta:
                    setb.update(
                        self.systemStatus.get(sys2id,
                                              {}).get('neighbors', set()))
            jump2ring = jumps2 - neighbors - {sys_id}
            jump3ring = jumps3 - jumps2 - neighbors - {sys_id}
            jump4ring = jumps4 - jumps3 - jumps2 - neighbors - {sys_id}
            sys_status['2jump_ring'] = jump2ring
            sys_status['3jump_ring'] = jump3ring
            sys_status['4jump_ring'] = jump4ring
            threat, max_threat, myrating, j1_threats = self.area_ratings(
                neighbors, ref_sys_name="neighbors %s" %
                this_system) if verbose else self.area_ratings(neighbors)
            sys_status['neighborThreat'] = threat
            sys_status['max_neighbor_threat'] = max_threat
            sys_status['my_neighbor_rating'] = myrating
            threat, max_threat, myrating, j2_threats = self.area_ratings(
                jump2ring, ref_sys_name="jump2 %s" %
                this_system) if verbose else self.area_ratings(jump2ring)
            sys_status['jump2_threat'] = threat
            sys_status['my_jump2_rating'] = myrating
            threat, max_threat, myrating, j3_threats = self.area_ratings(
                jump3ring)
            sys_status['jump3_threat'] = threat
            sys_status['my_jump3_rating'] = myrating
            threat_keys = ['fleetThreat', 'neighborThreat', 'jump2_threat'
                           ]  # for local system includes both enemies and mobs
            sys_status[
                'regional_threat'] = CombatRatingsAI.combine_ratings_list(
                    map(lambda x: sys_status.get(x, 0), threat_keys))
            # TODO: investigate cases where regional_threat has been nonzero but no regional_threat_fleets
            # (probably due to attenuating history of past threats)
            sys_status.setdefault('regional_fleet_threats',
                                  set()).update(j1_threats, j2_threats)