def __update_empire_standard_enemy(self):
"""Update the empire's standard enemy.
The standard enemy is the enemy that is most often seen.
"""
# TODO: If no current information available, rate against own fighters
universe = fo.getUniverse()
empire_id = fo.empireID()
# assess enemy fleets that may have been momentarily visible (start with dummy entries)
dummy_stats = CombatRatingsAI.default_ship_stats().get_stats(hashable=True)
cur_e_fighters = Counter() # actual visible enemies
old_e_fighters = Counter({dummy_stats: 0}) # destroyed enemies TODO: consider seen but out of sight enemies
for fleet_id in universe.fleetIDs:
fleet = universe.getFleet(fleet_id)
if (not fleet or fleet.empty or fleet.ownedBy(empire_id) or fleet.unowned or
not (fleet.hasArmedShips or fleet.hasFighterShips)):
continue
# track old/dead enemy fighters for rating assessments in case not enough current info
ship_stats = CombatRatingsAI.FleetCombatStats(fleet_id).get_ship_stats(hashable=True)
dead_fleet = fleet_id in universe.destroyedObjectIDs(empire_id)
e_f_dict = old_e_fighters if dead_fleet else cur_e_fighters
for stats in ship_stats:
# log only ships that are armed
if stats[0]:
e_f_dict[stats] += 1
e_f_dict = cur_e_fighters or old_e_fighters
self.__empire_standard_enemy = sorted([(v, k) for k, v in e_f_dict.items()])[-1][1]
self.empire_standard_enemy_rating = self.get_standard_enemy().get_rating()
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
# for use in debugging
verbose = False
# assess enemy fleets that may have been momentarily visible
# start with dummy entries
cur_e_fighters = {
CombatRatingsAI.default_ship_stats().get_stats(hashable=True): [0]
}
old_e_fighters = {
CombatRatingsAI.default_ship_stats().get_stats(hashable=True): [0]
}
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:
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 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
# this is a fleet not owned by us
if not fleet.unowned and (fleet.hasArmedShips
or fleet.hasFighterShips):
ship_stats = CombatRatingsAI.FleetCombatStats(
fleet_id).get_ship_stats(hashable=True)
# track old/dead enemy fighters for rating assessments in case not enough current info
e_f_dict = old_e_fighters if dead_fleet else cur_e_fighters
for stats in ship_stats:
# log only ships that are armed
if stats[0]:
e_f_dict.setdefault(stats, [0])[0] += 1
# 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)
# TODO: If no current information available, rate against own fighters
e_f_dict = cur_e_fighters if len(
cur_e_fighters) > 1 else old_e_fighters
self.__empire_standard_enemy = sorted([
(v, k) for k, v in e_f_dict.items()
])[-1][1]
self.empire_standard_enemy_rating = self.get_standard_enemy(
).get_rating()
# 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
# TODO: double check are these checks/deletes necessary?
for fid in system.fleetIDs:
fleet = universe.getFleet(fid)
if not fleet or fleet.empty or fid in destroyed_object_ids:
self.delete_fleet_info(
fid) # this is safe even if fleet wasn't mine
# 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, [])
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 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)
