Example #1
0
    def enqueue_base(self) -> bool:
        """
        Enqueue the base according to the plan.

        :return: True on success, False on failure
        """
        if self.base_enqueued:
            warning("Tried to enqueue a base eventhough already done that.")
            return False

        # find the best possible base design for the source planet
        universe = fo.getUniverse()
        best_ship, _, _ = get_best_ship_info(PriorityType.PRODUCTION_ORBITAL_OUTPOST, self.source)
        if best_ship is None:
            warning("Can't find optimized outpost base design at %s" % (universe.getPlanet(self.source)))
            try:
                best_ship = next(
                    design
                    for design in fo.getEmpire().availableShipDesigns
                    if "SD_OUTPOST_BASE" == fo.getShipDesign(design).name
                )
                debug("Falling back to base design SD_OUTPOST_BASE")
            except StopIteration:
                # fallback design not available
                return False

        # enqueue the design at the source planet
        retval = fo.issueEnqueueShipProductionOrder(best_ship, self.source)
        debug(
            "Enqueueing Outpost Base at %s for %s with result %s"
            % (universe.getPlanet(self.source), universe.getPlanet(self.target), retval)
        )

        if not retval:
            warning("Failed to enqueue outpost base at %s" % universe.getPlanet(self.source))
            return False

        self.base_enqueued = True
        return True
Example #2
0
def get_invasion_fleets():
    invasion_timer.start("gathering initial info")
    universe = fo.getUniverse()
    empire = fo.getEmpire()
    empire_id = fo.empireID()

    home_system_id = PlanetUtilsAI.get_capital_sys_id()
    aistate = get_aistate()
    visible_system_ids = list(aistate.visInteriorSystemIDs) + list(
        aistate.visBorderSystemIDs)

    if home_system_id != INVALID_ID:
        accessible_system_ids = [
            sys_id for sys_id in visible_system_ids
            if systems_connected(sys_id, home_system_id)
        ]
    else:
        debug(
            "Empire has no identifiable homeworld; will treat all visible planets as accessible."
        )
        # TODO: check if any troop ships owned, use their system as home system
        accessible_system_ids = visible_system_ids

    acessible_planet_ids = PlanetUtilsAI.get_planets_in__systems_ids(
        accessible_system_ids)
    all_owned_planet_ids = PlanetUtilsAI.get_all_owned_planet_ids(
        acessible_planet_ids)  # includes unpopulated outposts
    all_populated_planets = PlanetUtilsAI.get_populated_planet_ids(
        acessible_planet_ids)  # includes unowned natives
    empire_owned_planet_ids = PlanetUtilsAI.get_owned_planets_by_empire(
        universe.planetIDs)
    invadable_planet_ids = set(all_owned_planet_ids).union(
        all_populated_planets) - set(empire_owned_planet_ids)

    invasion_targeted_planet_ids = get_invasion_targeted_planet_ids(
        universe.planetIDs, MissionType.INVASION)
    invasion_targeted_planet_ids.extend(
        get_invasion_targeted_planet_ids(universe.planetIDs,
                                         MissionType.ORBITAL_INVASION))
    all_invasion_targeted_system_ids = set(
        PlanetUtilsAI.get_systems(invasion_targeted_planet_ids))

    invasion_fleet_ids = FleetUtilsAI.get_empire_fleet_ids_by_role(
        MissionType.INVASION)
    num_invasion_fleets = len(
        FleetUtilsAI.extract_fleet_ids_without_mission_types(
            invasion_fleet_ids))

    debug("Current Invasion Targeted SystemIDs: %s" %
          PlanetUtilsAI.sys_name_ids(AIstate.invasionTargetedSystemIDs))
    debug("Current Invasion Targeted PlanetIDs: %s" %
          PlanetUtilsAI.planet_string(invasion_targeted_planet_ids))
    debug(invasion_fleet_ids and "Invasion Fleet IDs: %s" % invasion_fleet_ids
          or "Available Invasion Fleets: 0")
    debug("Invasion Fleets Without Missions: %s" % num_invasion_fleets)

    invasion_timer.start("planning troop base production")
    reserved_troop_base_targets = []
    if aistate.character.may_invade_with_bases():
        available_pp = {}
        for el in empire.planetsWithAvailablePP:  # keys are sets of ints; data is doubles
            avail_pp = el.data()
            for pid in el.key():
                available_pp[pid] = avail_pp
        # For planning base trooper invasion targets we have a two-pass system.  (1) In the first pass we consider all
        # the invasion targets and figure out which ones appear to be suitable for using base troopers against (i.e., we
        # already have a populated planet in the same system that could build base troopers) and we have at least a
        # minimal amount of PP available, and (2) in the second pass we go through the reserved base trooper target list
        # and check to make sure that there does not appear to be too much military action still needed before the
        # target is ready to be invaded, we double check that not too many base troopers would be needed, and if things
        # look clear then we queue up the base troopers on the Production Queue and keep track of where we are building
        # them, and how many; we may also disqualify and remove previously qualified targets (in case, for example,
        # we lost our base trooper source planet since it was first added to list).
        #
        # For planning and tracking base troopers under construction, we use a dictionary store in
        # get_aistate().qualifyingTroopBaseTargets, keyed by the invasion target planet ID.  We only store values
        # for invasion targets that appear likely to be suitable for base trooper use, and store a 2-item list.
        # The first item in this list is the ID of the planet where we expect to build the base troopers, and the second
        # entry initially is set to INVALID_ID (-1).  The presence of this entry in qualifyingTroopBaseTargets
        # flags this target as being reserved as a base-trooper invasion target.
        # In the second pass, if/when we actually start construction, then we modify the record, replacing that second
        # value with the ID of the planet where the troopers are actually being built.  (Right now that is always the
        # same as the source planet originally identified, but we could consider reevaluating that, or use that second
        # value to instead record how many base troopers have been queued, so that on later turns we can assess if the
        # process got delayed & perhaps more troopers need to be queued).

        # Pass 1: identify qualifying base troop invasion targets
        for pid in invadable_planet_ids:  # TODO: reorganize
            if pid in aistate.qualifyingTroopBaseTargets:
                continue
            planet = universe.getPlanet(pid)
            if not planet:
                continue
            sys_id = planet.systemID
            sys_partial_vis_turn = get_partial_visibility_turn(sys_id)
            planet_partial_vis_turn = get_partial_visibility_turn(pid)
            if planet_partial_vis_turn < sys_partial_vis_turn:
                continue
            best_base_planet = INVALID_ID
            best_trooper_count = 0
            for pid2 in get_colonized_planets_in_system(sys_id):
                if available_pp.get(
                        pid2, 0
                ) < 2:  # TODO: improve troop base PP sufficiency determination
                    break
                planet2 = universe.getPlanet(pid2)
                if not planet2 or not can_build_ship_for_species(
                        planet2.speciesName):
                    continue
                best_base_trooper_here = get_best_ship_info(
                    PriorityType.PRODUCTION_ORBITAL_INVASION, pid2)[1]
                if not best_base_trooper_here:
                    continue
                troops_per_ship = best_base_trooper_here.troopCapacity
                if not troops_per_ship:
                    continue
                species_troop_grade = get_species_tag_grade(
                    planet2.speciesName, Tags.ATTACKTROOPS)
                troops_per_ship = CombatRatingsAI.weight_attack_troops(
                    troops_per_ship, species_troop_grade)
                if troops_per_ship > best_trooper_count:
                    best_base_planet = pid2
                    best_trooper_count = troops_per_ship
            if best_base_planet != INVALID_ID:
                aistate.qualifyingTroopBaseTargets.setdefault(
                    pid, [best_base_planet, INVALID_ID])

        # Pass 2: for each target previously identified for base troopers, check that still qualifies and
        # check how many base troopers would be needed; if reasonable then queue up the troops and record this in
        # get_aistate().qualifyingTroopBaseTargets
        for pid in list(aistate.qualifyingTroopBaseTargets.keys()):
            planet = universe.getPlanet(pid)
            if planet and planet.owner == empire_id:
                del aistate.qualifyingTroopBaseTargets[pid]
                continue
            if pid in invasion_targeted_planet_ids:  # TODO: consider overriding standard invasion mission
                continue
            if aistate.qualifyingTroopBaseTargets[pid][1] != -1:
                reserved_troop_base_targets.append(pid)
                if planet:
                    all_invasion_targeted_system_ids.add(planet.systemID)
                # TODO: evaluate changes to situation, any more troops needed, etc.
                continue  # already building for here
            _, planet_troops = evaluate_invasion_planet(pid)
            sys_id = planet.systemID
            this_sys_status = aistate.systemStatus.get(sys_id, {})
            troop_tally = 0
            for _fid in this_sys_status.get("myfleets", []):
                troop_tally += FleetUtilsAI.count_troops_in_fleet(_fid)
            if troop_tally > planet_troops:  # base troopers appear unneeded
                del aistate.qualifyingTroopBaseTargets[pid]
                continue
            if planet.currentMeterValue(fo.meterType.shield) > 0 and (
                    this_sys_status.get("myFleetRating", 0) <
                    0.8 * this_sys_status.get("totalThreat", 0)
                    or this_sys_status.get("myFleetRatingVsPlanets", 0) <
                    this_sys_status.get("planetThreat", 0)):
                # this system not secured, so ruling out invasion base troops for now
                # don't immediately delete from qualifyingTroopBaseTargets or it will be opened up for regular troops
                continue
            loc = aistate.qualifyingTroopBaseTargets[pid][0]
            best_base_trooper_here = get_best_ship_info(
                PriorityType.PRODUCTION_ORBITAL_INVASION, loc)[1]
            loc_planet = universe.getPlanet(loc)
            if best_base_trooper_here is None:  # shouldn't be possible at this point, but just to be safe
                warning(
                    "Could not find a suitable orbital invasion design at %s" %
                    loc_planet)
                continue
            # TODO: have TroopShipDesigner give the expected number of troops including species effects directly
            troops_per_ship = best_base_trooper_here.troopCapacity
            species_troop_grade = get_species_tag_grade(
                loc_planet.speciesName, Tags.ATTACKTROOPS)
            troops_per_ship = CombatRatingsAI.weight_attack_troops(
                troops_per_ship, species_troop_grade)
            if not troops_per_ship:
                warning(
                    "The best orbital invasion design at %s seems not to have any troop capacity."
                    % loc_planet)
                continue
            _, col_design, build_choices = get_best_ship_info(
                PriorityType.PRODUCTION_ORBITAL_INVASION, loc)
            if not col_design:
                continue
            if loc not in build_choices:
                warning(
                    "Best troop design %s can not be produced at planet with id: %s"
                    % (col_design, build_choices))
                continue
            n_bases = math.ceil(
                (planet_troops + 1) /
                troops_per_ship)  # TODO: reconsider this +1 safety factor
            # TODO: evaluate cost and time-to-build of best base trooper here versus cost and time-to-build-and-travel
            # for best regular trooper elsewhere
            # For now, we assume what building base troopers is best so long as either (1) we would need no more than
            # MAX_BASE_TROOPERS_POOR_INVADERS base troop ships, or (2) our base troopers have more than 1 trooper per
            # ship and we would need no more than MAX_BASE_TROOPERS_GOOD_INVADERS base troop ships
            if n_bases > MAX_BASE_TROOPERS_POOR_INVADERS or (
                    troops_per_ship > 1
                    and n_bases > MAX_BASE_TROOPERS_GOOD_INVADERS):
                debug(
                    "ruling out base invasion troopers for %s due to high number (%d) required."
                    % (planet, n_bases))
                del aistate.qualifyingTroopBaseTargets[pid]
                continue
            debug(
                "Invasion base planning, need %d troops at %d per ship, will build %d ships."
                % ((planet_troops + 1), troops_per_ship, n_bases))
            retval = fo.issueEnqueueShipProductionOrder(col_design.id, loc)
            debug("Enqueueing %d Troop Bases at %s for %s" %
                  (n_bases, PlanetUtilsAI.planet_string(loc),
                   PlanetUtilsAI.planet_string(pid)))
            if retval != 0:
                all_invasion_targeted_system_ids.add(planet.systemID)
                reserved_troop_base_targets.append(pid)
                aistate.qualifyingTroopBaseTargets[pid][1] = loc
                fo.issueChangeProductionQuantityOrder(
                    empire.productionQueue.size - 1, 1, int(n_bases))
                fo.issueRequeueProductionOrder(empire.productionQueue.size - 1,
                                               0)

    invasion_timer.start("evaluating target planets")
    # TODO: check if any invasion_targeted_planet_ids need more troops assigned
    evaluated_planet_ids = list(
        set(invadable_planet_ids) - set(invasion_targeted_planet_ids) -
        set(reserved_troop_base_targets))
    evaluated_planets = assign_invasion_values(evaluated_planet_ids)

    sorted_planets = [(pid, pscore % 10000, ptroops)
                      for pid, (pscore, ptroops) in evaluated_planets.items()]
    sorted_planets.sort(key=lambda x: x[1], reverse=True)
    sorted_planets = [(pid, pscore % 10000, ptroops)
                      for pid, pscore, ptroops in sorted_planets]

    invasion_table = Table(
        Text("Planet"),
        Number("Score"),
        Text("Species"),
        Number("Troops"),
        table_name="Potential Targets for Invasion Turn %d" % fo.currentTurn(),
    )

    for pid, pscore, ptroops in sorted_planets:
        planet = universe.getPlanet(pid)
        invasion_table.add_row(planet, pscore, planet and planet.speciesName
                               or "unknown", ptroops)
    invasion_table.print_table(info)

    sorted_planets = [x for x in sorted_planets if x[1] > 0]
    # export opponent planets for other AI modules
    AIstate.opponentPlanetIDs = [pid for pid, __, __ in sorted_planets]
    AIstate.invasionTargets = sorted_planets

    # export invasion targeted systems for other AI modules
    AIstate.invasionTargetedSystemIDs = list(all_invasion_targeted_system_ids)
    invasion_timer.stop(section_name="evaluating %d target planets" %
                        (len(evaluated_planet_ids)))
    invasion_timer.stop_print_and_clear()
Example #3
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]
Example #4
0
def _calculate_invasion_priority():
    """Calculates the demand for troop ships by opponent planets."""

    aistate = get_aistate()
    if not aistate.character.may_invade():
        return 0

    empire = fo.getEmpire()
    enemies_sighted = aistate.misc.get("enemies_sighted", {})
    multiplier = 1
    colony_growth_barrier = aistate.character.max_number_colonies()
    if get_number_of_colonies() > colony_growth_barrier:
        return 0.0

    if len(aistate.colonisablePlanetIDs) > 0:
        best_colony_score = max(
            2,
            next(iter(aistate.colonisablePlanetIDs.items()))[1][0])
    else:
        best_colony_score = 2

    total_val = 0
    troops_needed = 0
    for pid, pscore, trp in AIstate.invasionTargets[:allotted_invasion_targets(
    )]:
        if pscore > best_colony_score:
            multiplier += 1
            total_val += 2 * pscore
        else:
            total_val += pscore
        troops_needed += trp + 4  # ToDo: This seems like it could be improved by some dynamic calculation of buffer

    if total_val == 0:
        return 0

    production_queue = empire.productionQueue
    queued_troop_capacity = 0
    for queue_index in range(0, len(production_queue)):
        element = production_queue[queue_index]
        if element.buildType == EmpireProductionTypes.BT_SHIP:
            if aistate.get_ship_role(element.designID) in [
                    ShipRoleType.MILITARY_INVASION, ShipRoleType.BASE_INVASION
            ]:
                design = fo.getShipDesign(element.designID)
                queued_troop_capacity += element.remaining * element.blocksize * design.troopCapacity
    _, best_design, _ = get_best_ship_info(PriorityType.PRODUCTION_INVASION)
    if best_design:
        troops_per_best_ship = best_design.troopCapacity
    else:
        return 1e-6  # if we can not build troop ships, we don't want to build (non-existing) invasion ships

    # don't count troop bases here as these cannot be redeployed after misplaning
    # troopFleetIDs = FleetUtilsAI.get_empire_fleet_ids_by_role(MissionType.INVASION)\
    #                 + FleetUtilsAI.get_empire_fleet_ids_by_role(MissionType.ORBITAL_INVASION)
    troop_fleet_ids = FleetUtilsAI.get_empire_fleet_ids_by_role(
        MissionType.INVASION)
    total_troop_capacity = sum(
        [FleetUtilsAI.count_troops_in_fleet(fid) for fid in troop_fleet_ids])
    troop_ships_needed = math.ceil(
        (troops_needed - (total_troop_capacity + queued_troop_capacity)) /
        troops_per_best_ship)

    # invasion_priority = max( 10+ 200*max(0, troop_ships_needed ) , int(0.1* total_val) )
    invasion_priority = multiplier * (30 + 150 * max(0, troop_ships_needed))
    if not colonies_is_under_attack():
        if not colonies_is_under_treat():
            invasion_priority *= 2.0
        else:
            invasion_priority *= 1.5
    if not enemies_sighted:
        invasion_priority *= 1.5

    if invasion_priority < 0:
        return 0

    return invasion_priority * aistate.character.invasion_priority_scaling()