def _revise_threat_factor(
threat_factor: float,
planet_value: float,
system_id: int,
min_planet_value: float = MINIMUM_COLONY_SCORE,
) -> float:
"""
Check if the threat_factor should be made less severe.
If the AI does have enough total military to secure this system, and the target has more than minimal value,
don't let the threat_factor discount the adjusted value below min_planet_value +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 pursuing a heavily
defended but still obtainable target even if it has no softer locations available.
:param threat_factor: the base threat factor
:param planet_value: the planet score
:param system_id: the system ID of subject planet
:param min_planet_value: a floor planet value if the AI has enough military to secure the system
:return: the (potentially) revised threat_factor
"""
# the default value below for fleetThreat shouldn't come in to play, but is just to be absolutely sure we don't
# send colony ships into some system for which we have not evaluated fleetThreat
system_status = get_aistate().systemStatus.get(system_id, {})
system_fleet_treat = system_status.get("fleetThreat", 1000)
# TODO: consider taking area threat into account here. Arguments can be made both ways, see discussion in PR2069
sys_total_threat = system_fleet_treat + system_status.get(
"monsterThreat", 0) + system_status.get("planetThreat", 0)
if (MilitaryAI.get_concentrated_tot_mil_rating() >
sys_total_threat) and (planet_value > 2 * min_planet_value):
threat_factor = max(threat_factor,
(min_planet_value + 1) / planet_value)
return threat_factor
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
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]
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]