Files
pyfa/eos/saveddata/fighter.py
2016-05-16 23:56:46 -04:00

264 lines
9.3 KiB
Python

#===============================================================================
# Copyright (C) 2010 Diego Duclos
#
# This file is part of eos.
#
# eos is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# eos is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with eos. If not, see <http://www.gnu.org/licenses/>.
#===============================================================================
from eos.modifiedAttributeDict import ModifiedAttributeDict, ItemAttrShortcut, ChargeAttrShortcut
from eos.effectHandlerHelpers import HandledItem, HandledCharge, HandledDroneCargoList
from sqlalchemy.orm import validates, reconstructor
import eos.db
from eos.enum import Enum
import logging
from eos.types import FighterAbility, Slot
logger = logging.getLogger(__name__)
class Fighter(HandledItem, HandledCharge, ItemAttrShortcut, ChargeAttrShortcut):
DAMAGE_TYPES = ("em", "kinetic", "explosive", "thermal")
DAMAGE_TYPES2 = ("EM", "Kin", "Exp", "Therm")
def __init__(self, item):
"""Initialize a fighter from the program"""
self.__item = item
if self.isInvalid:
raise ValueError("Passed item is not a Fighter")
self.itemID = item.ID if item is not None else None
self.projected = False
self.active = True
# -1 is a placeholder that represents max squadron size, which we may not know yet as ships may modify this with
# their effects. If user changes this, it is then overridden with user value.
self.amount = -1
self.__abilities = self.__getAbilities()
self.build()
@reconstructor
def init(self):
"""Initialize a fighter from the database and validate"""
self.__item = None
if self.itemID:
self.__item = eos.db.getItem(self.itemID)
if self.__item is None:
logger.error("Item (id: %d) does not exist", self.itemID)
return
if self.isInvalid:
logger.error("Item (id: %d) is not a Fighter", self.itemID)
return
self.build()
def build(self):
""" Build object. Assumes proper and valid item already set """
self.__charge = None
self.__dps = None
self.__volley = None
self.__miningyield = None
self.__itemModifiedAttributes = ModifiedAttributeDict()
self.__chargeModifiedAttributes = ModifiedAttributeDict()
if len(self.abilities) != len(self.item.effects):
self.__abilities = []
for ability in self.__getAbilities():
self.__abilities.append(ability)
if self.__item:
self.__itemModifiedAttributes.original = self.__item.attributes
self.__itemModifiedAttributes.overrides = self.__item.overrides
self.__slot = self.__calculateSlot(self.__item)
chargeID = self.getModifiedItemAttr("fighterAbilityLaunchBombType")
if chargeID is not None:
charge = eos.db.getItem(int(chargeID))
self.__charge = charge
self.__chargeModifiedAttributes.original = charge.attributes
self.__chargeModifiedAttributes.overrides = charge.overrides
def __getAbilities(self):
"""Returns list of FighterAbilities that are loaded with data"""
return [FighterAbility(effect) for effect in self.item.effects.values()]
def __calculateSlot(self, item):
types = {"Light": Slot.F_LIGHT,
"Support": Slot.F_SUPPORT,
"Heavy": Slot.F_HEAVY}
for t, slot in types.iteritems():
if self.getModifiedItemAttr("fighterSquadronIs{}".format(t)):
return slot
@property
def slot(self):
return self.__slot
@property
def amountActive(self):
return int(self.getModifiedItemAttr("fighterSquadronMaxSize")) if self.amount == -1 else self.amount
@amountActive.setter
def amountActive(self, i):
self.amount = int(max(min(i, self.getModifiedItemAttr("fighterSquadronMaxSize")), 0))
@property
def abilities(self):
return self.__abilities or []
@property
def charge(self):
return self.__charge
@property
def itemModifiedAttributes(self):
return self.__itemModifiedAttributes
@property
def chargeModifiedAttributes(self):
return self.__chargeModifiedAttributes
@property
def isInvalid(self):
return self.__item is None or self.__item.category.name != "Fighter"
@property
def item(self):
return self.__item
@property
def charge(self):
return self.__charge
@property
def hasAmmo(self):
return self.charge is not None
@property
def dps(self):
return self.damageStats()
def damageStats(self, targetResists = None):
if self.__dps is None:
self.__volley = 0
self.__dps = 0
if self.active and self.amountActive > 0:
for ability in self.abilities:
dps, volley = ability.damageStats(targetResists)
self.__dps += dps
self.__volley += volley
return self.__dps, self.__volley
@property
def maxRange(self):
attrs = ("shieldTransferRange", "powerTransferRange",
"energyDestabilizationRange", "empFieldRange",
"ecmBurstRange", "maxRange")
for attr in attrs:
maxRange = self.getModifiedItemAttr(attr)
if maxRange is not None: return maxRange
if self.charge is not None:
delay = self.getModifiedChargeAttr("explosionDelay")
speed = self.getModifiedChargeAttr("maxVelocity")
if delay is not None and speed is not None:
return delay / 1000.0 * speed
# Had to add this to match the falloff property in modules.py
# Fscking ship scanners. If you find any other falloff attributes,
# Put them in the attrs tuple.
@property
def falloff(self):
attrs = ("falloff", "falloffEffectiveness")
for attr in attrs:
falloff = self.getModifiedItemAttr(attr)
if falloff is not None: return falloff
@validates("ID", "itemID", "chargeID", "amount", "amountActive")
def validator(self, key, val):
map = {"ID": lambda val: isinstance(val, int),
"itemID" : lambda val: isinstance(val, int),
"chargeID" : lambda val: isinstance(val, int),
"amount" : lambda val: isinstance(val, int) and val >= -1,
}
if map[key](val) == False: raise ValueError(str(val) + " is not a valid value for " + key)
else: return val
def clear(self):
self.__dps = None
self.__volley = None
self.__miningyield = None
self.itemModifiedAttributes.clear()
self.chargeModifiedAttributes.clear()
[x.clear() for x in self.abilities]
def canBeApplied(self, projectedOnto):
"""Check if fighter can engage specific fitting"""
item = self.item
# Do not allow to apply offensive modules on ship with offensive module immunite, with few exceptions
# (all effects which apply instant modification are exception, generally speaking)
if item.offensive and projectedOnto.ship.getModifiedItemAttr("disallowOffensiveModifiers") == 1:
offensiveNonModifiers = set(("energyDestabilizationNew", "leech", "energyNosferatuFalloff", "energyNeutralizerFalloff"))
if not offensiveNonModifiers.intersection(set(item.effects)):
return False
# If assistive modules are not allowed, do not let to apply these altogether
if item.assistive and projectedOnto.ship.getModifiedItemAttr("disallowAssistance") == 1:
return False
else:
return True
def calculateModifiedAttributes(self, fit, runTime, forceProjected = False):
if not self.active:
return
if self.projected or forceProjected:
context = "projected", "fighter"
projected = True
else:
context = ("fighter",)
projected = False
for ability in self.abilities:
if ability.active:
effect = ability.effect
if effect.runTime == runTime and \
((projected and effect.isType("projected")) or not projected):
if ability.grouped:
effect.handler(fit, self, context)
else:
i = 0
while i != self.amountActive:
effect.handler(fit, self, context)
i += 1
def __deepcopy__(self, memo):
copy = Fighter(self.item)
copy.amount = self.amount
return copy
def fits(self, fit):
# If ships doesn't support this type of fighter, don't add it
if fit.getNumSlots(self.slot) == 0:
return False
return True