def _calculate_threat(self):
return (
self.threat_bias +
+ self.safety_factor * CombatRatingsAI.combine_ratings_list([
self._local_threat(),
.75 * self._neighbor_threat(),
.5 * self._jump2_threat()])
+ self._potential_threat())
def _calculate_threat(self):
return (
self.threat_bias +
+ self.safety_factor * CombatRatingsAI.combine_ratings_list([
self._local_threat(),
.75 * self._neighbor_threat(),
.5 * self._jump2_threat()])
+ self._potential_threat())
def get_concentrated_tot_mil_rating():
"""
Give an assessment of total miltary rating as if all fleets were merged into a single mega-fleet.
:return: a military rating value
:rtype: float
"""
return CombatRatingsAI.combine_ratings_list([CombatRatingsAI.get_fleet_rating(fleet_id) for fleet_id in
FleetUtilsAI.get_empire_fleet_ids_by_role(MissionType.MILITARY)])
def get_concentrated_tot_mil_rating():
"""
Give an assessment of total miltary rating as if all fleets were merged into a single mega-fleet.
:return: a military rating value
:rtype: float
"""
return CombatRatingsAI.combine_ratings_list([CombatRatingsAI.get_fleet_rating(fleet_id) for fleet_id in
FleetUtilsAI.get_empire_fleet_ids_by_role(MissionType.MILITARY)])
def assess_protection_focus(pinfo):
"""Return True if planet should use Protection Focus."""
this_planet = pinfo.planet
aistate = get_aistate()
sys_status = aistate.systemStatus.get(this_planet.systemID, {})
threat_from_supply = (
0.25 * aistate.empire_standard_enemy_rating *
min(2, len(sys_status.get('enemies_nearly_supplied', []))))
debug("%s has regional+supply threat of %.1f", this_planet,
threat_from_supply)
regional_threat = sys_status.get('regional_threat', 0) + threat_from_supply
if not regional_threat: # no need for protection
if pinfo.current_focus == PROTECTION:
debug(
"Advising dropping Protection Focus at %s due to no regional threat",
this_planet)
return False
cur_prod_val = weighted_sum_output(pinfo.current_output)
target_prod_val = max(
map(weighted_sum_output,
[pinfo.possible_output[INDUSTRY], pinfo.possible_output[RESEARCH]
]))
prot_prod_val = weighted_sum_output(pinfo.possible_output[PROTECTION])
local_production_diff = 0.8 * cur_prod_val + 0.2 * target_prod_val - prot_prod_val
fleet_threat = sys_status.get('fleetThreat', 0)
# TODO: relax the below rejection once the overall determination of PFocus is better tuned
if not fleet_threat and local_production_diff > 8:
if pinfo.current_focus == PROTECTION:
debug(
"Advising dropping Protection Focus at %s due to excessive productivity loss",
this_planet)
return False
local_p_defenses = sys_status.get('mydefenses', {}).get('overall', 0)
# TODO have adjusted_p_defenses take other in-system planets into account
adjusted_p_defenses = local_p_defenses * (
1.0 if pinfo.current_focus != PROTECTION else 0.5)
local_fleet_rating = sys_status.get('myFleetRating', 0)
combined_local_defenses = sys_status.get('all_local_defenses', 0)
my_neighbor_rating = sys_status.get('my_neighbor_rating', 0)
neighbor_threat = sys_status.get('neighborThreat', 0)
safety_factor = 1.2 if pinfo.current_focus == PROTECTION else 0.5
cur_shield = this_planet.initialMeterValue(fo.meterType.shield)
max_shield = this_planet.initialMeterValue(fo.meterType.maxShield)
cur_troops = this_planet.initialMeterValue(fo.meterType.troops)
max_troops = this_planet.initialMeterValue(fo.meterType.maxTroops)
cur_defense = this_planet.initialMeterValue(fo.meterType.defense)
max_defense = this_planet.initialMeterValue(fo.meterType.maxDefense)
def_meter_pairs = [(cur_troops, max_troops), (cur_shield, max_shield),
(cur_defense, max_defense)]
use_protection = True
reason = ""
if (fleet_threat and # i.e., an enemy is sitting on us
(
pinfo.current_focus != PROTECTION
or # too late to start protection TODO: but maybe regen worth it
# protection focus only useful here if it maintains an elevated level
all([
AIDependencies.PROT_FOCUS_MULTIPLIER * a <= b
for a, b in def_meter_pairs
]))):
use_protection = False
reason = "A"
elif ((pinfo.current_focus != PROTECTION and cur_shield < max_shield - 2
and not tech_is_complete(AIDependencies.PLANET_BARRIER_I_TECH))
and (cur_defense < max_defense - 2
and not tech_is_complete(AIDependencies.DEFENSE_REGEN_1_TECH))
and (cur_troops < max_troops - 2)):
use_protection = False
reason = "B1"
elif (
(pinfo.current_focus == PROTECTION
and cur_shield * AIDependencies.PROT_FOCUS_MULTIPLIER < max_shield - 2
and not tech_is_complete(AIDependencies.PLANET_BARRIER_I_TECH)) and
(cur_defense * AIDependencies.PROT_FOCUS_MULTIPLIER < max_defense - 2
and not tech_is_complete(AIDependencies.DEFENSE_REGEN_1_TECH)) and
(cur_troops * AIDependencies.PROT_FOCUS_MULTIPLIER < max_troops - 2)):
use_protection = False
reason = "B2"
elif max(max_shield, max_troops, max_defense) < 3:
# joke defenses, don't bother with protection focus
use_protection = False
reason = "C"
elif regional_threat and local_production_diff <= 2.0:
use_protection = True
reason = "D"
elif safety_factor * regional_threat <= local_fleet_rating:
use_protection = False
reason = "E"
elif (safety_factor * regional_threat <= combined_local_defenses and
(pinfo.current_focus != PROTECTION or
(0.5 * safety_factor * regional_threat <= local_fleet_rating
and fleet_threat == 0 and neighbor_threat < combined_local_defenses
and local_production_diff > 5))):
use_protection = False
reason = "F"
elif (regional_threat <= CombatRatingsAI.combine_ratings(
local_fleet_rating, adjusted_p_defenses)
and safety_factor * regional_threat <=
CombatRatingsAI.combine_ratings_list(
[my_neighbor_rating, local_fleet_rating, adjusted_p_defenses])
and local_production_diff > 5):
use_protection = False
reason = "G"
if use_protection or pinfo.current_focus == PROTECTION:
debug(
"Advising %sProtection Focus (reason %s) for planet %s, with local_prod_diff of %.1f, comb. local"
" defenses %.1f, local fleet rating %.1f and regional threat %.1f, threat sources: %s",
["dropping ", ""][use_protection], reason, this_planet,
local_production_diff, combined_local_defenses, local_fleet_rating,
regional_threat, sys_status['regional_fleet_threats'])
return use_protection
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
observed_empires = self.misc.setdefault("observed_empires", set())
# TODO: Variables that are recalculated each turn from scratch should not be stored in AIstate
# clear previous game state
for sys_id in self.systemStatus:
self.systemStatus[sys_id]['enemy_ship_count'] = 0
self.systemStatus[sys_id]['myFleetRating'] = 0
self.systemStatus[sys_id]['myFleetRatingVsPlanets'] = 0
# for use in debugging
verbose = False
# assess enemy fleets that may have been momentarily visible
enemies_by_system = {}
my_fleets_by_system = {}
fleet_spot_position = {}
current_turn = fo.currentTurn()
for fleet_id in universe.fleetIDs:
fleet = universe.getFleet(fleet_id)
if not fleet or fleet.empty:
self.delete_fleet_info(fleet_id) # this is safe even if fleet wasn't mine
continue
# TODO: check if currently in system and blockaded before accepting destination as location
this_system_id = fleet.nextSystemID if fleet.nextSystemID != INVALID_ID else fleet.systemID
dead_fleet = fleet_id in destroyed_object_ids
if dead_fleet:
self.delete_fleet_info(fleet_id)
if fleet.ownedBy(empire_id):
if not dead_fleet:
my_fleets_by_system.setdefault(this_system_id, []).append(fleet_id)
fleet_spot_position.setdefault(fleet.systemID, []).append(fleet_id)
continue
# 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.
if dead_fleet:
continue
# we are only interested in immediately recent data
if get_partial_visibility_turn(fleet_id) < (current_turn - 1):
continue
sys_status = self.systemStatus.setdefault(this_system_id, {})
sys_status['enemy_ship_count'] = sys_status.get('enemy_ship_count', 0) + len(fleet.shipIDs)
enemies_by_system.setdefault(this_system_id, []).append(fleet_id)
if not fleet.unowned:
self.misc.setdefault('enemies_sighted', {}).setdefault(current_turn, []).append(fleet_id)
observed_empires.add(fleet.owner)
# assess fleet and planet threats & my local fleets
for sys_id in universe.systemIDs:
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
# update threats
monster_ratings = [] # immobile
enemy_ratings = [] # owned & mobile
mob_ratings = [] # mobile & unowned
mobile_fleets = [] # mobile and either owned or unowned
for fid in local_enemy_fleet_ids:
fleet = universe.getFleet(fid) # ensured to exist
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)
continue
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)
lost_fleets = fleetsLostBySystem.get(sys_id, [])
lost_fleet_rating = CombatRatingsAI.combine_ratings_list(lost_fleets)
# under current visibility rules should not be possible to have any losses or other info here,
# but just in case...
partial_vis_turn = get_partial_visibility_turn(sys_id)
if not system or partial_vis_turn < 0:
if verbose:
print "Never had partial vis for %s - basing threat assessment on old info and lost ships" % system
sys_status.setdefault('local_fleet_threats', set())
sys_status['planetThreat'] = 0
sys_status['fleetThreat'] = 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'] = max(
monster_rating,
0.98 * sys_status.get('monsterThreat', 0),
1.1*lost_fleet_rating - enemy_rating - mob_rating)
sys_status['enemy_threat'] = 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 = phealth = 0
mypattack = myphealth = 0
for pid in system.planetIDs:
planet = universe.getPlanet(pid)
if not planet:
continue
prating = self.assess_planet_threat(pid, sighting_age=current_turn - partial_vis_turn)
if planet.ownedBy(empire_id): # TODO: check for diplomatic status
mypattack += prating['attack']
myphealth += prating['health']
else:
pattack += prating['attack']
phealth += prating['health']
if any("_NEST_" in special for special in planet.specials):
sys_status['nest_threat'] = 100
sys_status['planetThreat'] = pattack * phealth
sys_status['mydefenses'] = {'overall': mypattack * myphealth, 'attack': mypattack, 'health': myphealth}
# previous threat assessment could account for losses, ignore the losses now
if max(sys_status.get('totalThreat', 0), pattack * phealth) >= 0.6 * lost_fleet_rating:
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:
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'] = 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'] = 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'] = 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
sys_status['currently_visible'] = True
sys_status['local_fleet_threats'] = set(mobile_fleets)
# includes mobile monsters
sys_status['fleetThreat'] = max(
CombatRatingsAI.combine_ratings(enemy_rating, mob_rating), 2*lost_fleet_rating - monster_rating)
if verbose:
print "enemy threat calc parts: enemy rating %.1f, lost fleet rating %.1f, monster_rating %.1f" % (
enemy_rating, lost_fleet_rating, monster_rating)
# does NOT include mobile monsters
sys_status['enemy_threat'] = max(enemy_rating, 2*lost_fleet_rating - monster_rating)
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))
# has been seen with Partial Vis, but is currently supply-blocked
if partial_vis_turn > 0 and sys_id not in supply_unobstructed_systems:
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 universe.systemIDs:
sys_status = self.systemStatus[sys_id]
sys_status['enemies_supplied'] = enemy_supply.get(sys_id, [])
observed_empires.update(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(universe.getImmediateNeighbors(sys_id, self.empireID))
for sys_id in universe.systemIDs:
sys_status = self.systemStatus[sys_id]
neighbors = sys_status.get('neighbors', set())
this_system = universe.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)
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)
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
# for local system includes both enemies and mobs
threat_keys = ['fleetThreat', 'neighborThreat', 'jump2_threat']
sys_status['regional_threat'] = CombatRatingsAI.combine_ratings_list(
[sys_status.get(x, 0) for x in 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)
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)
def assign_military_fleets_to_systems(use_fleet_id_list=None, allocations=None, round=1):
# assign military fleets to military theater systems
global _military_allocations
universe = fo.getUniverse()
if allocations is None:
allocations = []
doing_main = (use_fleet_id_list is None)
if doing_main:
foAI.foAIstate.misc['ReassignedFleetMissions'] = []
base_defense_ids = FleetUtilsAI.get_empire_fleet_ids_by_role(MissionType.ORBITAL_DEFENSE)
unassigned_base_defense_ids = FleetUtilsAI.extract_fleet_ids_without_mission_types(base_defense_ids)
for fleet_id in unassigned_base_defense_ids:
fleet = universe.getFleet(fleet_id)
if not fleet:
continue
sys_id = fleet.systemID
target = universe_object.System(sys_id)
fleet_mission = foAI.foAIstate.get_fleet_mission(fleet_id)
fleet_mission.clear_fleet_orders()
fleet_mission.clear_target()
mission_type = MissionType.ORBITAL_DEFENSE
fleet_mission.set_target(mission_type, target)
all_military_fleet_ids = FleetUtilsAI.get_empire_fleet_ids_by_role(MissionType.MILITARY)
if not all_military_fleet_ids:
_military_allocations = []
return
avail_mil_fleet_ids = list(FleetUtilsAI.extract_fleet_ids_without_mission_types(all_military_fleet_ids))
mil_needing_repair_ids, avail_mil_fleet_ids = avail_mil_needing_repair(avail_mil_fleet_ids)
these_allocations = _military_allocations
print "=================================================="
print "Assigning military fleets"
print "---------------------------------"
else:
avail_mil_fleet_ids = list(use_fleet_id_list)
mil_needing_repair_ids, avail_mil_fleet_ids = avail_mil_needing_repair(avail_mil_fleet_ids)
these_allocations = allocations
# send_for_repair(mil_needing_repair_ids) #currently, let get taken care of by AIFleetMission.generate_fleet_orders()
# get systems to defend
avail_mil_fleet_ids = set(avail_mil_fleet_ids)
for sys_id, alloc, minalloc, takeAny in these_allocations:
if not doing_main and not avail_mil_fleet_ids:
break
found_fleets = []
found_stats = {}
these_fleets = FleetUtilsAI.get_fleets_for_mission({'rating': alloc}, {'rating': minalloc}, found_stats,
starting_system=sys_id, fleet_pool_set=avail_mil_fleet_ids,
fleet_list=found_fleets)
if not these_fleets:
if not found_fleets or not (FleetUtilsAI.stats_meet_reqs(found_stats, {'rating': minalloc}) or takeAny):
if doing_main:
if _verbose_mil_reporting:
print "NO available/suitable military allocation for system %d ( %s ) -- requested allocation %8d, found available rating %8d in fleets %s" % (sys_id, universe.getSystem(sys_id).name, minalloc, found_stats.get('rating', 0), found_fleets)
avail_mil_fleet_ids.update(found_fleets)
continue
else:
these_fleets = found_fleets
rating = CombatRatingsAI.combine_ratings_list(map(CombatRatingsAI.get_fleet_rating, found_fleets))
if doing_main and _verbose_mil_reporting:
if rating < _min_mil_allocations.get(sys_id, 0):
print "PARTIAL military allocation for system %d ( %s ) -- requested allocation %8d -- got %8d with fleets %s" % (sys_id, universe.getSystem(sys_id).name, minalloc, rating, these_fleets)
else:
print "FULL MIN military allocation for system %d ( %s ) -- requested allocation %8d -- got %8d with fleets %s" % (sys_id, universe.getSystem(sys_id).name, _min_mil_allocations.get(sys_id, 0), rating, these_fleets)
elif doing_main and _verbose_mil_reporting:
print "FULL+ military allocation for system %d ( %s ) -- requested allocation %8d, got %8d with fleets %s" % (sys_id, universe.getSystem(sys_id).name, alloc, found_stats.get('rating', 0), these_fleets)
target = universe_object.System(sys_id)
for fleet_id in these_fleets:
fo.issueAggressionOrder(fleet_id, True)
fleet_mission = foAI.foAIstate.get_fleet_mission(fleet_id)
fleet_mission.clear_fleet_orders()
fleet_mission.clear_target()
if sys_id in list(set(AIstate.colonyTargetedSystemIDs + AIstate.outpostTargetedSystemIDs + AIstate.invasionTargetedSystemIDs + AIstate.blockadeTargetedSystemIDs)):
mission_type = MissionType.SECURE
else:
mission_type = MissionType.MILITARY
fleet_mission.set_target(mission_type, target)
fleet_mission.generate_fleet_orders()
if not doing_main:
foAI.foAIstate.misc.setdefault('ReassignedFleetMissions', []).append(fleet_mission)
if doing_main:
print "---------------------------------"
last_round = 3
last_round_name = "LastRound"
if round <= last_round:
# check if any fleets remain unassigned
all_military_fleet_ids = FleetUtilsAI.get_empire_fleet_ids_by_role(MissionType.MILITARY)
avail_mil_fleet_ids = list(FleetUtilsAI.extract_fleet_ids_without_mission_types(all_military_fleet_ids))
allocations = []
round += 1
thisround = "Extras Remaining Round %d" % round if round < last_round else last_round_name
if avail_mil_fleet_ids:
print "Still have available military fleets: %s" % avail_mil_fleet_ids
allocations = get_military_fleets(mil_fleets_ids=avail_mil_fleet_ids, try_reset=False, thisround=thisround)
if allocations:
assign_military_fleets_to_systems(use_fleet_id_list=avail_mil_fleet_ids, allocations=allocations, round=round)
def assess_protection_focus(pid, info):
"""Return True if planet should use Protection Focus."""
this_planet = info.planet
sys_status = foAI.foAIstate.systemStatus.get(this_planet.systemID, {})
threat_from_supply = (0.25 * foAI.foAIstate.empire_standard_enemy_rating *
min(2, len(sys_status.get('enemies_nearly_supplied', []))))
print "Planet %s has regional+supply threat of %.1f" % ('P_%d<%s>' % (pid, this_planet.name), threat_from_supply)
regional_threat = sys_status.get('regional_threat', 0) + threat_from_supply
if not regional_threat: # no need for protection
if info.current_focus == PRODUCTION:
print "Advising dropping Protection Focus at %s due to no regional threat" % this_planet
return False
cur_prod_val = weighted_sum_output(info.current_output)
target_prod_val = max(map(weighted_sum_output, [info.possible_output[INDUSTRY], info.possible_output[RESEARCH]]))
prot_prod_val = weighted_sum_output(info.possible_output[PRODUCTION])
local_production_diff = 0.8 * cur_prod_val + 0.2 * target_prod_val - prot_prod_val
fleet_threat = sys_status.get('fleetThreat', 0)
# TODO: relax the below rejection once the overall determination of PFocus is better tuned
if not fleet_threat and local_production_diff > 8:
if info.current_focus == PRODUCTION:
print "Advising dropping Protection Focus at %s due to excessive productivity loss" % this_planet
return False
local_p_defenses = sys_status.get('mydefenses', {}).get('overall', 0)
# TODO have adjusted_p_defenses take other in-system planets into account
adjusted_p_defenses = local_p_defenses * (1.0 if info.current_focus != PRODUCTION else 0.5)
local_fleet_rating = sys_status.get('myFleetRating', 0)
combined_local_defenses = sys_status.get('all_local_defenses', 0)
my_neighbor_rating = sys_status.get('my_neighbor_rating', 0)
neighbor_threat = sys_status.get('neighborThreat', 0)
safety_factor = 1.2 if info.current_focus == PRODUCTION else 0.5
cur_shield = this_planet.currentMeterValue(fo.meterType.shield)
max_shield = this_planet.currentMeterValue(fo.meterType.maxShield)
cur_troops = this_planet.currentMeterValue(fo.meterType.troops)
max_troops = this_planet.currentMeterValue(fo.meterType.maxTroops)
cur_defense = this_planet.currentMeterValue(fo.meterType.defense)
max_defense = this_planet.currentMeterValue(fo.meterType.maxDefense)
def_meter_pairs = [(cur_troops, max_troops), (cur_shield, max_shield), (cur_defense, max_defense)]
use_protection = True
reason = ""
if (fleet_threat and # i.e., an enemy is sitting on us
(info.current_focus != PRODUCTION or # too late to start protection TODO: but maybe regen worth it
# protection focus only useful here if it maintains an elevated level
all([AIDependencies.PROT_FOCUS_MULTIPLIER * a <= b for a, b in def_meter_pairs]))):
use_protection = False
reason = "A"
elif ((info.current_focus != PRODUCTION and cur_shield < max_shield - 2 and
not tech_is_complete(AIDependencies.PLANET_BARRIER_I_TECH)) and
(cur_defense < max_defense - 2 and not tech_is_complete(AIDependencies.DEFENSE_REGEN_1_TECH)) and
(cur_troops < max_troops - 2)):
use_protection = False
reason = "B1"
elif ((info.current_focus == PRODUCTION and cur_shield * AIDependencies.PROT_FOCUS_MULTIPLIER < max_shield - 2 and
not tech_is_complete(AIDependencies.PLANET_BARRIER_I_TECH)) and
(cur_defense * AIDependencies.PROT_FOCUS_MULTIPLIER < max_defense - 2 and
not tech_is_complete(AIDependencies.DEFENSE_REGEN_1_TECH)) and
(cur_troops * AIDependencies.PROT_FOCUS_MULTIPLIER < max_troops - 2)):
use_protection = False
reason = "B2"
elif max(max_shield, max_troops, max_defense) < 3: # joke defenses, don't bother with protection focus
use_protection = False
reason = "C"
elif regional_threat and local_production_diff <= 2.0:
reason = "D"
pass # i.e., use_protection = True
elif safety_factor * regional_threat <= local_fleet_rating:
use_protection = False
reason = "E"
elif (safety_factor * regional_threat <= combined_local_defenses and
(info.current_focus != PRODUCTION or
(0.5 * safety_factor * regional_threat <= local_fleet_rating and
fleet_threat == 0 and neighbor_threat < combined_local_defenses and
local_production_diff > 5))):
use_protection = False
reason = "F"
elif (regional_threat <= CombatRatingsAI.combine_ratings(local_fleet_rating, adjusted_p_defenses) and
safety_factor * regional_threat <=
CombatRatingsAI.combine_ratings_list([my_neighbor_rating, local_fleet_rating, adjusted_p_defenses]) and
local_production_diff > 5):
use_protection = False
reason = "G"
if use_protection or info.current_focus == PRODUCTION:
print ("Advising %sProtection Focus (reason %s) for planet %s, with local_prod_diff of %.1f, comb. local"
" defenses %.1f, local fleet rating %.1f and regional threat %.1f, threat sources: %s") % (
["dropping ", ""][use_protection], reason, this_planet, local_production_diff, combined_local_defenses,
local_fleet_rating, regional_threat, sys_status['regional_fleet_threats'])
return use_protection
def __update_system_status(self):
debug('{0} Updating System Threats {0}'.format(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
observed_empires = self.misc.setdefault("observed_empires", set())
# TODO: Variables that are recalculated each turn from scratch should not be stored in AIstate
# clear previous game state
for sys_id in self.systemStatus:
self.systemStatus[sys_id]['enemy_ship_count'] = 0
self.systemStatus[sys_id]['myFleetRating'] = 0
self.systemStatus[sys_id]['myFleetRatingVsPlanets'] = 0
# for use in debugging
verbose = False
# assess enemy fleets that may have been momentarily visible
enemies_by_system = {}
my_fleets_by_system = {}
fleet_spot_position = {}
current_turn = fo.currentTurn()
for fleet_id in universe.fleetIDs:
fleet = universe.getFleet(fleet_id)
if not fleet or fleet.empty:
self.delete_fleet_info(fleet_id) # this is safe even if fleet wasn't mine
continue
# TODO: check if currently in system and blockaded before accepting destination as location
this_system_id = fleet.nextSystemID if fleet.nextSystemID != INVALID_ID else fleet.systemID
dead_fleet = fleet_id in destroyed_object_ids
if dead_fleet:
self.delete_fleet_info(fleet_id)
if fleet.ownedBy(empire_id):
if not dead_fleet:
my_fleets_by_system.setdefault(this_system_id, []).append(fleet_id)
fleet_spot_position.setdefault(fleet.systemID, []).append(fleet_id)
continue
# 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.
if dead_fleet:
continue
# we are only interested in immediately recent data
if get_partial_visibility_turn(fleet_id) < (current_turn - 1):
continue
sys_status = self.systemStatus.setdefault(this_system_id, {})
sys_status['enemy_ship_count'] = sys_status.get('enemy_ship_count', 0) + len(fleet.shipIDs)
enemies_by_system.setdefault(this_system_id, []).append(fleet_id)
if not fleet.unowned:
self.misc.setdefault('enemies_sighted', {}).setdefault(current_turn, []).append(fleet_id)
observed_empires.add(fleet.owner)
# assess fleet and planet threats & my local fleets
for sys_id in universe.systemIDs:
sys_status = self.systemStatus.setdefault(sys_id, {})
system = universe.getSystem(sys_id)
if verbose:
debug("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
# update threats
monster_ratings = [] # immobile
enemy_ratings = [] # owned & mobile
mob_ratings = [] # mobile & unowned
mobile_fleets = [] # mobile and either owned or unowned
for fid in local_enemy_fleet_ids:
fleet = universe.getFleet(fid) # ensured to exist
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:
debug("\t immobile enemy fleet %s has rating %.1f" % (fleet, fleet_rating))
continue
if verbose:
debug("\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)
lost_fleets = fleetsLostBySystem.get(sys_id, [])
lost_fleet_rating = CombatRatingsAI.combine_ratings_list(lost_fleets)
# under current visibility rules should not be possible to have any losses or other info here,
# but just in case...
partial_vis_turn = get_partial_visibility_turn(sys_id)
if not system or partial_vis_turn < 0:
if verbose:
debug("Never had partial vis for %s - basing threat assessment on old info and lost ships" % system)
sys_status.setdefault('local_fleet_threats', set())
sys_status['planetThreat'] = 0
sys_status['fleetThreat'] = 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'] = max(
monster_rating,
0.98 * sys_status.get('monsterThreat', 0),
1.1*lost_fleet_rating - enemy_rating - mob_rating)
sys_status['enemy_threat'] = 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 = phealth = 0
mypattack = myphealth = 0
for pid in system.planetIDs:
planet = universe.getPlanet(pid)
if not planet:
continue
prating = self.assess_planet_threat(pid, sighting_age=current_turn - partial_vis_turn)
if planet.ownedBy(empire_id): # TODO: check for diplomatic status
mypattack += prating['attack']
myphealth += prating['health']
else:
pattack += prating['attack']
phealth += prating['health']
if any("_NEST_" in special for special in planet.specials):
sys_status['nest_threat'] = 100
sys_status['planetThreat'] = pattack * phealth
sys_status['mydefenses'] = {'overall': mypattack * myphealth, 'attack': mypattack, 'health': myphealth}
# previous threat assessment could account for losses, ignore the losses now
if max(sys_status.get('totalThreat', 0), pattack * phealth) >= 0.6 * lost_fleet_rating:
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:
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'] = 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'] = 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'] = 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
sys_status['currently_visible'] = True
sys_status['local_fleet_threats'] = set(mobile_fleets)
# includes mobile monsters
sys_status['fleetThreat'] = max(
CombatRatingsAI.combine_ratings(enemy_rating, mob_rating), 2*lost_fleet_rating - monster_rating)
if verbose:
debug("enemy threat calc parts: enemy rating %.1f, lost fleet rating %.1f, monster_rating %.1f" % (
enemy_rating, lost_fleet_rating, monster_rating))
# does NOT include mobile monsters
sys_status['enemy_threat'] = max(enemy_rating, 2*lost_fleet_rating - monster_rating)
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))
# has been seen with Partial Vis, but is currently supply-blocked
if partial_vis_turn > 0 and sys_id not in supply_unobstructed_systems:
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:
debug("%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 universe.systemIDs:
sys_status = self.systemStatus[sys_id]
sys_status['enemies_supplied'] = enemy_supply.get(sys_id, [])
observed_empires.update(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(universe.getImmediateNeighbors(sys_id, self.empireID))
for sys_id in universe.systemIDs:
sys_status = self.systemStatus[sys_id]
neighbors = sys_status.get('neighbors', set())
this_system = universe.getSystem(sys_id)
if verbose:
debug("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)
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)
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
# for local system includes both enemies and mobs
threat_keys = ['fleetThreat', 'neighborThreat', 'jump2_threat']
sys_status['regional_threat'] = CombatRatingsAI.combine_ratings_list(
[sys_status.get(x, 0) for x in 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)
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)
