347 lines
13 KiB
Python
347 lines
13 KiB
Python
# ===============================================================================
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# Copyright (C) 2010 Diego Duclos
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#
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# This file is part of eos.
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#
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# eos is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation, either version 2 of the License, or
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# (at your option) any later version.
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#
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# eos is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with eos. If not, see <http://www.gnu.org/licenses/>.
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# ===============================================================================
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import math
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from logbook import Logger
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from sqlalchemy.orm import reconstructor, validates
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import eos.db
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from eos.effectHandlerHelpers import HandledCharge, HandledItem
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from eos.modifiedAttributeDict import ChargeAttrShortcut, ItemAttrShortcut, ModifiedAttributeDict
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from eos.utils.cycles import CycleInfo
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from eos.utils.stats import DmgTypes
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pyfalog = Logger(__name__)
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class Drone(HandledItem, HandledCharge, ItemAttrShortcut, ChargeAttrShortcut):
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MINING_ATTRIBUTES = ("miningAmount",)
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def __init__(self, item):
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"""Initialize a drone from the program"""
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self.__item = item
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if self.isInvalid:
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raise ValueError("Passed item is not a Drone")
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self.itemID = item.ID if item is not None else None
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self.amount = 0
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self.amountActive = 0
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self.projected = False
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self.build()
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@reconstructor
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def init(self):
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"""Initialize a drone from the database and validate"""
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self.__item = None
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if self.itemID:
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self.__item = eos.db.getItem(self.itemID)
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if self.__item is None:
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pyfalog.error("Item (id: {0}) does not exist", self.itemID)
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return
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if self.isInvalid:
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pyfalog.error("Item (id: {0}) is not a Drone", self.itemID)
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return
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self.build()
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def build(self):
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""" Build object. Assumes proper and valid item already set """
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self.__charge = None
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self.__baseVolley = None
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self.__baseRemoteReps = None
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self.__miningyield = None
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self.__itemModifiedAttributes = ModifiedAttributeDict()
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self.__itemModifiedAttributes.original = self.__item.attributes
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self.__itemModifiedAttributes.overrides = self.__item.overrides
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self.__chargeModifiedAttributes = ModifiedAttributeDict()
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# pheonix todo: check the attribute itself, not the modified. this will always return 0 now.
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chargeID = self.getModifiedItemAttr("entityMissileTypeID", None)
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if chargeID is not None:
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charge = eos.db.getItem(int(chargeID))
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self.__charge = charge
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self.__chargeModifiedAttributes.original = charge.attributes
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self.__chargeModifiedAttributes.overrides = charge.overrides
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@property
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def itemModifiedAttributes(self):
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return self.__itemModifiedAttributes
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@property
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def chargeModifiedAttributes(self):
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return self.__chargeModifiedAttributes
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@property
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def isInvalid(self):
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return self.__item is None or self.__item.category.name != "Drone"
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@property
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def item(self):
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return self.__item
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@property
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def charge(self):
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return self.__charge
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@property
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def cycleTime(self):
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if self.hasAmmo:
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cycleTime = self.getModifiedItemAttr("missileLaunchDuration", 0)
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else:
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for attr in ("speed", "duration"):
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cycleTime = self.getModifiedItemAttr(attr, None)
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if cycleTime is not None:
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break
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if cycleTime is None:
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return 0
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return max(cycleTime, 0)
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@property
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def dealsDamage(self):
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for attr in ("emDamage", "kineticDamage", "explosiveDamage", "thermalDamage"):
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if attr in self.itemModifiedAttributes or attr in self.chargeModifiedAttributes:
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return True
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@property
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def mines(self):
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if "miningAmount" in self.itemModifiedAttributes:
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return True
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@property
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def hasAmmo(self):
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return self.charge is not None
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def isDealingDamage(self):
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volleyParams = self.getVolleyParameters()
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for volley in volleyParams.values():
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if volley.total > 0:
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return True
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return False
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def getVolleyParameters(self, targetResists=None):
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if not self.dealsDamage or self.amountActive <= 0:
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return {0: DmgTypes(0, 0, 0, 0)}
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if self.__baseVolley is None:
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dmgGetter = self.getModifiedChargeAttr if self.hasAmmo else self.getModifiedItemAttr
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dmgMult = self.amountActive * (self.getModifiedItemAttr("damageMultiplier", 1))
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self.__baseVolley = DmgTypes(
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em=(dmgGetter("emDamage", 0)) * dmgMult,
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thermal=(dmgGetter("thermalDamage", 0)) * dmgMult,
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kinetic=(dmgGetter("kineticDamage", 0)) * dmgMult,
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explosive=(dmgGetter("explosiveDamage", 0)) * dmgMult)
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volley = DmgTypes(
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em=self.__baseVolley.em * (1 - getattr(targetResists, "emAmount", 0)),
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thermal=self.__baseVolley.thermal * (1 - getattr(targetResists, "thermalAmount", 0)),
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kinetic=self.__baseVolley.kinetic * (1 - getattr(targetResists, "kineticAmount", 0)),
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explosive=self.__baseVolley.explosive * (1 - getattr(targetResists, "explosiveAmount", 0)))
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return {0: volley}
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def getVolley(self, targetResists=None):
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return self.getVolleyParameters(targetResists=targetResists)[0]
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def getDps(self, targetResists=None):
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volley = self.getVolley(targetResists=targetResists)
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if not volley:
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return DmgTypes(0, 0, 0, 0)
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cycleParams = self.getCycleParameters()
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if cycleParams is None:
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return DmgTypes(0, 0, 0, 0)
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dpsFactor = 1 / (cycleParams.averageTime / 1000)
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dps = DmgTypes(
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em=volley.em * dpsFactor,
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thermal=volley.thermal * dpsFactor,
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kinetic=volley.kinetic * dpsFactor,
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explosive=volley.explosive * dpsFactor)
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return dps
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def getCycleParameters(self, reloadOverride=None):
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cycleTime = self.cycleTime
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if cycleTime == 0:
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return None
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return CycleInfo(self.cycleTime, 0, math.inf)
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def getRemoteReps(self, ignoreState=False):
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if self.amountActive <= 0 and not ignoreState:
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return (None, 0)
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if self.__baseRemoteReps is None:
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rrShield = self.getModifiedItemAttr("shieldBonus", 0)
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rrArmor = self.getModifiedItemAttr("armorDamageAmount", 0)
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rrHull = self.getModifiedItemAttr("structureDamageAmount", 0)
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if rrShield:
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rrType = "Shield"
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rrAmount = rrShield
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elif rrArmor:
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rrType = "Armor"
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rrAmount = rrArmor
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elif rrHull:
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rrType = "Hull"
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rrAmount = rrHull
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else:
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rrType = None
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rrAmount = 0
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if rrAmount:
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droneAmount = self.amount if ignoreState else self.amountActive
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cycleParams = self.getCycleParameters()
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if cycleParams is None:
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rrType = None
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rrAmount = 0
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else:
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rrAmount *= droneAmount / (cycleParams.averageTime / 1000)
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self.__baseRemoteReps = (rrType, rrAmount)
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return self.__baseRemoteReps
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@property
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def miningStats(self):
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if self.__miningyield is None:
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if self.mines is True and self.amountActive > 0:
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getter = self.getModifiedItemAttr
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cycleParams = self.getCycleParameters()
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if cycleParams is None:
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self.__miningyield = 0
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else:
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cycleTime = cycleParams.averageTime
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volley = sum([getter(d) for d in self.MINING_ATTRIBUTES]) * self.amountActive
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self.__miningyield = volley / (cycleTime / 1000.0)
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else:
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self.__miningyield = 0
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return self.__miningyield
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@property
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def maxRange(self):
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attrs = ("shieldTransferRange", "powerTransferRange",
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"energyDestabilizationRange", "empFieldRange",
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"ecmBurstRange", "maxRange")
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for attr in attrs:
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maxRange = self.getModifiedItemAttr(attr, None)
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if maxRange is not None:
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return maxRange
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if self.charge is not None:
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delay = self.getModifiedChargeAttr("explosionDelay")
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speed = self.getModifiedChargeAttr("maxVelocity")
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if delay is not None and speed is not None:
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return delay / 1000.0 * speed
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# Had to add this to match the falloff property in modules.py
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# Fscking ship scanners. If you find any other falloff attributes,
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# Put them in the attrs tuple.
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@property
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def falloff(self):
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attrs = ("falloff", "falloffEffectiveness")
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for attr in attrs:
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falloff = self.getModifiedItemAttr(attr, None)
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if falloff is not None:
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return falloff
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@validates("ID", "itemID", "chargeID", "amount", "amountActive")
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def validator(self, key, val):
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map = {
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"ID" : lambda _val: isinstance(_val, int),
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"itemID" : lambda _val: isinstance(_val, int),
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"chargeID" : lambda _val: isinstance(_val, int),
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"amount" : lambda _val: isinstance(_val, int) and _val >= 0,
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"amountActive": lambda _val: isinstance(_val, int) and self.amount >= _val >= 0
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}
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if not map[key](val):
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raise ValueError(str(val) + " is not a valid value for " + key)
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else:
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return val
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def clear(self):
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self.__baseVolley = None
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self.__baseRemoteReps = None
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self.__miningyield = None
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self.itemModifiedAttributes.clear()
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self.chargeModifiedAttributes.clear()
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def canBeApplied(self, projectedOnto):
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"""Check if drone can engage specific fitting"""
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item = self.item
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# Do not allow to apply offensive modules on ship with offensive module immunite, with few exceptions
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# (all effects which apply instant modification are exception, generally speaking)
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if item.offensive and projectedOnto.ship.getModifiedItemAttr("disallowOffensiveModifiers") == 1:
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offensiveNonModifiers = {"energyDestabilizationNew",
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"leech",
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"energyNosferatuFalloff",
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"energyNeutralizerFalloff"}
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if not offensiveNonModifiers.intersection(set(item.effects)):
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return False
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# If assistive modules are not allowed, do not let to apply these altogether
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if item.assistive and projectedOnto.ship.getModifiedItemAttr("disallowAssistance") == 1:
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return False
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else:
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return True
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def calculateModifiedAttributes(self, fit, runTime, forceProjected=False):
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if self.projected or forceProjected:
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context = "projected", "drone"
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projected = True
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else:
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context = ("drone",)
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projected = False
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for effect in self.item.effects.values():
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if effect.runTime == runTime and \
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effect.activeByDefault and \
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((projected is True and effect.isType("projected")) or
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projected is False and effect.isType("passive")):
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# See GH issue #765
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if effect.getattr('grouped'):
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effect.handler(fit, self, context)
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else:
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i = 0
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while i != self.amountActive:
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effect.handler(fit, self, context)
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i += 1
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if self.charge:
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for effect in self.charge.effects.values():
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if effect.runTime == runTime and effect.activeByDefault:
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effect.handler(fit, self, ("droneCharge",))
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def __deepcopy__(self, memo):
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copy = Drone(self.item)
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copy.amount = self.amount
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copy.amountActive = self.amountActive
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return copy
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def rebase(self, item):
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amount = self.amount
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amountActive = self.amountActive
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Drone.__init__(self, item)
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self.amount = amount
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self.amountActive = amountActive
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def fits(self, fit):
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fitDroneGroupLimits = set()
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for i in range(1, 3):
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groneGrp = fit.ship.getModifiedItemAttr("allowedDroneGroup%d" % i, None)
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if groneGrp is not None:
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fitDroneGroupLimits.add(int(groneGrp))
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if len(fitDroneGroupLimits) == 0:
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return True
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if self.item.groupID in fitDroneGroupLimits:
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return True
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return False
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