def __init__(self, startAP, areaGraph, restrictions):
self.startAP = startAP
self.areaGraph = areaGraph
self.restrictions = restrictions
self.settings = restrictions.settings
self.smbm = SMBoolManager()
self.log = log.get('MiniSolver')
def __init__(self, graphSettings, locations, services):
self.sm = SMBoolManager()
self.settings = services.settings
self.graphSettings = graphSettings
self.startAP = graphSettings.startAP
self.superFun = self.settings.superFun
self.container = None
self.services = services
self.restrictions = services.restrictions
self.areaGraph = services.areaGraph
self.allLocations = locations
self.locations = self.areaGraph.getAccessibleLocations(
locations, self.startAP)
# print("nLocs Setup: "+str(len(self.locations)))
self.itemManager = self.settings.getItemManager(
self.sm, len(self.locations))
self.forbiddenItems = []
self.restrictedLocs = []
self.lastRestricted = []
self.bossesLocs = sorted(
['Draygon', 'Kraid', 'Ridley', 'Phantoon', 'Mother Brain'])
self.suits = ['Varia', 'Gravity']
# organized by priority
self.movementItems = [
'SpaceJump', 'HiJump', 'SpeedBooster', 'Bomb', 'Grapple',
'SpringBall'
]
# organized by priority
self.combatItems = ['ScrewAttack', 'Plasma', 'Wave', 'Spazer']
# OMG
self.bossChecks = {
'Kraid': self.sm.enoughStuffsKraid,
'Phantoon': self.sm.enoughStuffsPhantoon,
'Draygon': self.sm.enoughStuffsDraygon,
'Ridley': self.sm.enoughStuffsRidley,
'Mother Brain': self.sm.enoughStuffsMotherbrain
}
self.okay = lambda: SMBool(True, 0)
exclude = self.settings.getExcludeItems(self.locations)
# we have to use item manager only once, otherwise pool will change
self.itemManager.createItemPool(exclude)
self.basePool = self.itemManager.getItemPool()[:]
self.log = log.get('RandoSetup')
if len(locations) != len(self.locations):
self.log.debug("inaccessible locations :" + getLocListStr(
[loc for loc in locations if loc not in self.locations]))
def __copy__(self):
def copyLoc(loc):
ret = {}
for key, value in loc.items():
# create new smbool
if key == 'difficulty':
ret[key] = SMBool(value.bool, value.difficulty, value.knows, value.items)
else:
ret[key] = value
return ret
locs = [copyLoc(loc) for loc in self.unusedLocations]
# we don't copy restriction state on purpose: it depends on
# outside context we don't want to bring to the copy
ret = ItemLocContainer(SMBoolManager(),
self.itemPoolBackup[:] if self.itemPoolBackup != None else self.itemPool[:],
locs)
ret.currentItems = self.currentItems[:]
ret.unrestrictedItems = copy.copy(self.unrestrictedItems)
ret.itemLocations = [ {
'Item': il['Item'],
'Location': copyLoc(il['Location'])
} for il in self.itemLocations ]
ret.sm.addItems([item.Type for item in ret.currentItems])
return ret
#!/usr/bin/env python3
import sys
sys.path.append('RandomMetroidSolver')
from graph_locations import locations
from smboolmanager import SMBoolManager
import json
import copy
def convert(loc, sm):
d = {}
for key in loc:
value = loc[key]
if type(value) is dict:
value = convert(value, sm)
elif callable(value):
value = None # TODO
d[key] = value
return d
out = open('locations.json', 'w')
sm = SMBoolManager()
json.dump([convert(loc, sm) for loc in locations], out)
import sys
from utils import randGaussBounds
from itemrandomizerweb.Items import ItemManager
from smboolmanager import SMBoolManager
import random
from smboolmanager import SMBoolManager
fun = [
'HiJump', 'SpeedBooster', 'Plasma', 'ScrewAttack', 'Wave', 'Spazer',
'SpringBall'
]
if __name__ == "__main__":
sm = SMBoolManager()
with open("itemStats.csv", "w") as csvOut:
csvOut.write(
"energyQty;minorQty;nFun;strictMinors;MissProb;SuperProb;PowerProb;nItems;nTanks;nTanksTotal;nMinors;nMissiles;nSupers;nPowers;MissAccuracy;SuperAccuracy;PowerAccuracy\n"
)
for i in range(10000):
if (i + 1) % 100 == 0:
print(i + 1)
isVanilla = random.random() < 0.5
strictMinors = bool(random.getrandbits(1))
minQty = 100
energyQty = 'vanilla'
forbidden = []
if not isVanilla:
minQty = random.randint(1, 99)
if random.random() < 0.5:
class RandoSetup(object):
def __init__(self, graphSettings, locations, services):
self.sm = SMBoolManager()
self.settings = services.settings
self.graphSettings = graphSettings
self.startAP = graphSettings.startAP
self.superFun = self.settings.superFun
self.container = None
self.services = services
self.restrictions = services.restrictions
self.areaGraph = services.areaGraph
self.allLocations = locations
self.locations = self.areaGraph.getAccessibleLocations(
locations, self.startAP)
# print("nLocs Setup: "+str(len(self.locations)))
self.itemManager = self.settings.getItemManager(
self.sm, len(self.locations))
self.forbiddenItems = []
self.restrictedLocs = []
self.lastRestricted = []
self.bossesLocs = sorted(
['Draygon', 'Kraid', 'Ridley', 'Phantoon', 'Mother Brain'])
self.suits = ['Varia', 'Gravity']
# organized by priority
self.movementItems = [
'SpaceJump', 'HiJump', 'SpeedBooster', 'Bomb', 'Grapple',
'SpringBall'
]
# organized by priority
self.combatItems = ['ScrewAttack', 'Plasma', 'Wave', 'Spazer']
# OMG
self.bossChecks = {
'Kraid': self.sm.enoughStuffsKraid,
'Phantoon': self.sm.enoughStuffsPhantoon,
'Draygon': self.sm.enoughStuffsDraygon,
'Ridley': self.sm.enoughStuffsRidley,
'Mother Brain': self.sm.enoughStuffsMotherbrain
}
self.okay = lambda: SMBool(True, 0)
exclude = self.settings.getExcludeItems(self.locations)
# we have to use item manager only once, otherwise pool will change
self.itemManager.createItemPool(exclude)
self.basePool = self.itemManager.getItemPool()[:]
self.log = log.get('RandoSetup')
if len(locations) != len(self.locations):
self.log.debug("inaccessible locations :" + getLocListStr(
[loc for loc in locations if loc not in self.locations]))
# processes everything and returns an ItemLocContainer, or None if failed (invalid init conditions/settings)
def createItemLocContainer(self):
self.getForbidden()
if not self.checkPool():
self.log.debug("createItemLocContainer: checkPool fail")
return None
self.container = ItemLocContainer(self.sm, self.getItemPool(),
self.locations)
if self.restrictions.isLateMorph():
self.restrictions.lateMorphInit(self.startAP, self.container,
self.services)
isStdStart = GraphUtils.isStandardStart(self.startAP)
# ensure we have an area layout that can put morph outside start area
# TODO::allow for custom start which doesn't require morph early
if self.graphSettings.areaRando and isStdStart and not self.restrictions.suitsRestrictions and self.restrictions.lateMorphForbiddenArea is None:
self.container = None
self.log.debug("createItemLocContainer: checkLateMorph fail")
return None
# checkStart needs the container
if not self.checkStart():
self.container = None
self.log.debug("createItemLocContainer: checkStart fail")
return None
# add placement restriction helpers for random fill
if self.settings.progSpeed == 'speedrun':
itemTypes = {
item.Type
for item in self.container.itemPool
if item.Category not in ['Energy', 'Nothing', 'Boss']
}
itemTypes.remove('Missile')
items = [
self.container.getNextItemInPool(itemType)
for itemType in itemTypes
]
restrictionDict = {}
for item in items:
itemType = item.Type
poss = self.services.possibleLocations(item, self.startAP,
self.container)
for loc in poss:
if loc['GraphArea'] not in restrictionDict:
restrictionDict[loc['GraphArea']] = {}
if itemType not in restrictionDict[loc['GraphArea']]:
restrictionDict[loc['GraphArea']][itemType] = set()
restrictionDict[loc['GraphArea']][itemType].add(
loc['Name'])
if self.restrictions.isEarlyMorph() and GraphUtils.isStandardStart(
self.startAP):
morphLocs = ['Morphing Ball']
if self.restrictions.split in ['Full', 'Major']:
dboost = self.sm.knowsCeilingDBoost()
if dboost.bool == True and dboost.difficulty <= self.settings.maxDiff:
morphLocs += ['Energy Tank, Brinstar Ceiling']
for area, locDict in restrictionDict.items():
if area == 'Crateria':
locDict['Morph'] = set(morphLocs)
elif 'Morph' in locDict:
del locDict['Morph']
self.restrictions.addPlacementRestrictions(restrictionDict)
self.fillRestrictedLocations()
self.settings.collectAlreadyPlacedItemLocations(self.container)
return self.container
# fill up unreachable locations with "junk" to maximize the chance of the ROM
# to be finishable
def fillRestrictedLocations(self):
majorRestrictedLocs = [
loc for loc in self.restrictedLocs
if self.restrictions.isLocMajor(loc)
]
otherRestrictedLocs = [
loc for loc in self.restrictedLocs
if loc not in majorRestrictedLocs
]
def getItemPredicateMajor(itemType):
return lambda item: item.Type == itemType and self.restrictions.isItemMajor(
item)
def getItemPredicateMinor(itemType):
return lambda item: item.Type == itemType and self.restrictions.isItemMinor(
item)
def fill(locs, getPred):
self.log.debug("fillRestrictedLocations. locs=" +
getLocListStr(locs))
for loc in locs:
loc['restricted'] = True
itemLocation = {'Location': loc}
if self.container.hasItemInPool(getPred('Nothing')):
itemLocation[
'Item'] = self.container.getNextItemInPoolMatching(
getPred('Nothing'))
elif self.container.hasItemInPool(getPred('NoEnergy')):
itemLocation[
'Item'] = self.container.getNextItemInPoolMatching(
getPred('NoEnergy'))
elif self.container.countItems(getPred('Missile')) > 3:
itemLocation[
'Item'] = self.container.getNextItemInPoolMatching(
getPred('Missile'))
elif self.container.countItems(getPred('Super')) > 2:
itemLocation[
'Item'] = self.container.getNextItemInPoolMatching(
getPred('Super'))
elif self.container.countItems(getPred('PowerBomb')) > 1:
itemLocation[
'Item'] = self.container.getNextItemInPoolMatching(
getPred('PowerBomb'))
elif self.container.countItems(getPred('Reserve')) > 1:
itemLocation[
'Item'] = self.container.getNextItemInPoolMatching(
getPred('Reserve'))
elif self.container.countItems(getPred('ETank')) > 3:
itemLocation[
'Item'] = self.container.getNextItemInPoolMatching(
getPred('ETank'))
else:
raise RuntimeError("Cannot fill restricted locations")
self.log.debug("Fill: {} at {}".format(
itemLocation['Item'].Type,
itemLocation['Location']['Name']))
self.container.collect(itemLocation, False)
fill(majorRestrictedLocs, getItemPredicateMajor)
fill(otherRestrictedLocs, getItemPredicateMinor)
def getItemPool(self, forbidden=[]):
self.itemManager.setItemPool(
self.basePool[:]) # reuse base pool to have constant base item set
return self.itemManager.removeForbiddenItems(self.forbiddenItems +
forbidden)
# if needed, do a simplified "pre-randomization" of a few items to check start AP/area layout validity
def checkStart(self):
ap = getAccessPoint(self.startAP)
if not self.graphSettings.areaRando or ap.Start is None or \
(('needsPreRando' not in ap.Start or not ap.Start['needsPreRando']) and\
('areaMode' not in ap.Start or not ap.Start['areaMode'])):
return True
self.log.debug("********* PRE RANDO START")
container = copy.copy(self.container)
filler = FrontFiller(self.startAP, self.areaGraph, self.restrictions,
container)
condition = filler.createStepCountCondition(4)
(isStuck, itemLocations, progItems) = filler.generateItems(condition)
self.log.debug("********* PRE RANDO END")
return not isStuck and len(
self.services.currentLocations(filler.ap, filler.container)) > 0
def checkPool(self, forbidden=None):
self.log.debug("checkPool. forbidden=" + str(forbidden) +
", self.forbiddenItems=" + str(self.forbiddenItems))
if self.graphSettings.minimizerN is None and len(
self.allLocations) > len(self.locations):
# invalid graph with looped areas
return False
ret = True
if forbidden is not None:
pool = self.getItemPool(forbidden)
else:
pool = self.getItemPool()
# get restricted locs
totalAvailLocs = []
comeBack = {}
try:
container = ItemLocContainer(self.sm, pool, self.locations)
except AssertionError as e:
# invalid graph altogether
self.log.debug(
"checkPool: AssertionError when creating ItemLocContainer: {}".
format(e))
return False
# restrict item pool in chozo: game should be finishable with chozo items only
contPool = []
if self.restrictions.isChozo():
container.restrictItemPool(isChozoItem)
missile = container.getNextItemInPool('Missile')
if missile is not None:
# add missile (if zeb skip not known)
contPool.append(missile)
contPool += [item for item in pool if item in container.itemPool]
# give us everything and beat every boss to see what we can access
self.disableBossChecks()
self.sm.resetItems()
self.sm.addItems([item.Type
for item in contPool]) # will add bosses as well
poolDict = container.getPoolDict()
self.log.debug('pool={}'.format(
sorted([(t, len(poolDict[t])) for t in poolDict])))
refAP = 'Landing Site'
locs = self.services.currentLocations(self.startAP,
container,
post=True)
self.areaGraph.useCache(True)
for loc in locs:
ap = loc['accessPoint']
if ap not in comeBack:
# we chose Landing Site because other start APs might not have comeback transitions
# possible start AP issues are handled in checkStart
comeBack[ap] = self.areaGraph.canAccess(
self.sm, ap, 'Landing Site', self.settings.maxDiff)
if comeBack[ap]:
totalAvailLocs.append(loc)
self.areaGraph.useCache(False)
self.lastRestricted = [
loc for loc in self.locations if loc not in totalAvailLocs
]
self.log.debug("restricted=" +
str([loc['Name'] for loc in self.lastRestricted]))
# check if all inter-area APs can reach each other
interAPs = [
ap for ap in self.areaGraph.getAccessibleAccessPoints(self.startAP)
if not ap.isInternal() and not ap.isLoop()
]
for startAp in interAPs:
availAccessPoints = self.areaGraph.getAvailableAccessPoints(
startAp, self.sm, self.settings.maxDiff)
for ap in interAPs:
if not ap in availAccessPoints:
ret = False
self.log.debug("unavail AP: " + ap.Name + ", from " +
startAp.Name)
# cleanup
self.sm.resetItems()
self.restoreBossChecks()
# check if we can reach/beat all bosses
if ret:
for loc in self.lastRestricted:
if loc['Name'] in self.bossesLocs:
ret = False
self.log.debug("unavail Boss: " + loc['Name'])
if ret:
# revive bosses
self.sm.addItems([
item.Type for item in contPool if item.Category != 'Boss'
])
maxDiff = self.settings.maxDiff
# see if phantoon doesn't block himself, and if we can reach draygon if she's alive
ret = self.areaGraph.canAccess(self.sm, self.startAP, 'PhantoonRoomIn', maxDiff)\
and self.areaGraph.canAccess(self.sm, self.startAP, 'DraygonRoomIn', maxDiff)
if ret:
# see if we can beat bosses with this equipment (infinity as max diff for a "onlyBossesLeft" type check
beatableBosses = sorted([
loc['Name'] for loc in self.services.currentLocations(
self.startAP, container, diff=infinity)
if "Boss" in loc['Class']
])
self.log.debug("checkPool. beatableBosses=" +
str(beatableBosses))
ret = beatableBosses == Bosses.Golden4()
if ret:
# check that we can then kill mother brain
self.sm.addItems(Bosses.Golden4())
beatableMotherBrain = [
loc['Name']
for loc in self.services.currentLocations(
self.startAP, container, diff=infinity)
if loc['Name'] == 'Mother Brain'
]
ret = len(beatableMotherBrain) > 0
self.log.debug(
"checkPool. beatable Mother Brain={}".format(ret))
else:
self.log.debug('checkPool. locked by Phantoon or Draygon')
self.log.debug('checkPool. boss access sanity check: ' +
str(ret))
if self.restrictions.isChozo():
# last check for chozo locations: don't put more restricted chozo locations than removed chozo items
# (we cannot rely on removing ammo/energy in fillRestrictedLocations since it is already the bare minimum in chozo pool)
# FIXME something to do there for ultra sparse, it gives us up to 3 more spots for nothing items
restrictedLocs = self.restrictedLocs + [
loc for loc in self.lastRestricted
if loc not in self.restrictedLocs
]
nRestrictedChozo = sum(1 for loc in restrictedLocs
if 'Chozo' in loc['Class'])
nNothingChozo = sum(
1 for item in pool
if 'Chozo' in item.Class and item.Category == 'Nothing')
ret &= nRestrictedChozo <= nNothingChozo
self.log.debug('checkPool. nRestrictedChozo=' +
str(nRestrictedChozo) + ', nNothingChozo=' +
str(nNothingChozo))
self.log.debug('checkPool. result: ' + str(ret))
return ret
def disableBossChecks(self):
self.sm.enoughStuffsKraid = self.okay
self.sm.enoughStuffsPhantoon = self.okay
self.sm.enoughStuffsDraygon = self.okay
self.sm.enoughStuffsRidley = self.okay
def mbCheck():
(possible, energyDiff) = self.sm.mbEtankCheck()
if possible == True:
return self.okay()
return SMBool(False)
self.sm.enoughStuffsMotherbrain = mbCheck
def restoreBossChecks(self):
self.sm.enoughStuffsKraid = self.bossChecks['Kraid']
self.sm.enoughStuffsPhantoon = self.bossChecks['Phantoon']
self.sm.enoughStuffsDraygon = self.bossChecks['Draygon']
self.sm.enoughStuffsRidley = self.bossChecks['Ridley']
self.sm.enoughStuffsMotherbrain = self.bossChecks['Mother Brain']
def addRestricted(self):
self.checkPool()
for r in self.lastRestricted:
if r not in self.restrictedLocs:
self.restrictedLocs.append(r)
def getForbiddenItemsFromList(self, itemList):
self.log.debug('getForbiddenItemsFromList: ' + str(itemList))
remove = []
n = randGaussBounds(len(itemList))
for i in range(n):
idx = random.randint(0, len(itemList) - 1)
item = itemList.pop(idx)
if item is not None:
remove.append(item)
return remove
def addForbidden(self, removable):
forb = None
# it can take several tries if some item combination removal
# forbids access to more stuff than each individually
tries = 0
while forb is None and tries < 100:
forb = self.getForbiddenItemsFromList(removable[:])
self.log.debug("addForbidden. forb=" + str(forb))
if self.checkPool(forb) == False:
forb = None
tries += 1
if forb is None:
# we couldn't find a combination, just pick an item
firstItem = next(
(itemType for itemType in removable if itemType is not None),
None)
if firstItem is not None:
forb = [firstItem]
else:
forb = []
self.forbiddenItems += forb
self.checkPool()
self.addRestricted()
return len(forb)
def getForbiddenSuits(self):
self.log.debug("getForbiddenSuits BEGIN. forbidden=" +
str(self.forbiddenItems) + ",ap=" + self.startAP)
removableSuits = [
suit for suit in self.suits if self.checkPool([suit])
]
if 'Varia' in removableSuits and self.startAP in [
'Bubble Mountain', 'Firefleas Top'
]:
# Varia has to be first item there, and checkPool can't detect it
removableSuits.remove('Varia')
self.log.debug("getForbiddenSuits removable=" + str(removableSuits))
if len(removableSuits) > 0:
# remove at least one
if self.addForbidden(removableSuits) == 0:
self.forbiddenItems.append(removableSuits.pop())
self.checkPool()
self.addRestricted()
else:
self.superFun.remove('Suits')
self.errorMsgs.append("Could not remove any suit")
self.log.debug("getForbiddenSuits END. forbidden=" +
str(self.forbiddenItems))
def getForbiddenMovement(self):
self.log.debug("getForbiddenMovement BEGIN. forbidden=" +
str(self.forbiddenItems))
removableMovement = [
mvt for mvt in self.movementItems if self.checkPool([mvt])
]
self.log.debug("getForbiddenMovement removable=" +
str(removableMovement))
if len(removableMovement) > 0:
# remove at least the most important
self.forbiddenItems.append(removableMovement.pop(0))
self.addForbidden(removableMovement + [None])
else:
self.superFun.remove('Movement')
self.errorMsgs.append('Could not remove any movement item')
self.log.debug("getForbiddenMovement END. forbidden=" +
str(self.forbiddenItems))
def getForbiddenCombat(self):
self.log.debug("getForbiddenCombat BEGIN. forbidden=" +
str(self.forbiddenItems))
removableCombat = [
cbt for cbt in self.combatItems if self.checkPool([cbt])
]
self.log.debug("getForbiddenCombat removable=" + str(removableCombat))
if len(removableCombat) > 0:
fake = [
] # placeholders to avoid tricking the gaussian into removing too much stuff
if len(removableCombat) > 0:
# remove at least one if possible (will be screw or plasma)
self.forbiddenItems.append(removableCombat.pop(0))
fake.append(None)
# if plasma is still available, remove it as well if we can
if len(removableCombat
) > 0 and removableCombat[0] == 'Plasma' and self.checkPool(
[removableCombat[0]]):
self.forbiddenItems.append(removableCombat.pop(0))
fake.append(None)
self.addForbidden(removableCombat + fake)
else:
self.superFun.remove('Combat')
self.errorMsgs.append('Could not remove any combat item')
self.log.debug("getForbiddenCombat END. forbidden=" +
str(self.forbiddenItems))
def getForbidden(self):
self.forbiddenItems = []
self.restrictedLocs = []
self.errorMsgs = []
if 'Suits' in self.superFun: # impact on movement item
self.getForbiddenSuits()
if 'Movement' in self.superFun:
self.getForbiddenMovement()
if 'Combat' in self.superFun:
self.getForbiddenCombat()
# if no super fun, check that there's no restricted locations (for ultra sparse)
if len(self.superFun) == 0:
self.addRestricted()
self.log.debug("forbiddenItems: {}".format(self.forbiddenItems))
self.log.debug("restrictedLocs: {}".format(
[loc['Name'] for loc in self.restrictedLocs]))
class MiniSolver(object):
def __init__(self, startAP, areaGraph, restrictions):
self.startAP = startAP
self.areaGraph = areaGraph
self.restrictions = restrictions
self.settings = restrictions.settings
self.smbm = SMBoolManager()
self.log = log.get('MiniSolver')
# if True, does not mean it is actually beatable, unless you're sure of it from another source of information
# if False, it is certain it is not beatable
def isBeatable(self, itemLocations, maxDiff=None):
if maxDiff is None:
maxDiff = self.settings.maxDiff
minDiff = self.settings.minDiff
locations = []
for il in itemLocations:
loc = il['Location']
if loc.get('restricted') == True:
continue
loc['itemType'] = il['Item'].Type
loc['difficulty'] = None
locations.append(loc)
self.smbm.resetItems()
ap = self.startAP
onlyBossesLeft = -1
hasOneLocAboveMinDiff = False
while True:
if not locations:
return hasOneLocAboveMinDiff
# only two loops to collect all remaining locations in only bosses left mode
if onlyBossesLeft >= 0:
onlyBossesLeft += 1
if onlyBossesLeft > 2:
return False
self.areaGraph.getAvailableLocations(locations, self.smbm, maxDiff,
ap)
post = [
loc for loc in locations
if 'PostAvailable' in loc and loc['difficulty'].bool == True
]
for loc in post:
self.smbm.addItem(loc['itemType'])
postAvailable = loc['PostAvailable'](self.smbm)
self.smbm.removeItem(loc['itemType'])
loc['difficulty'] = self.smbm.wand(loc['difficulty'],
postAvailable)
toCollect = [
loc for loc in locations if loc['difficulty'].bool == True
and loc['difficulty'].difficulty <= maxDiff
]
if not toCollect:
# mini onlyBossesLeft
if maxDiff < infinity:
maxDiff = infinity
onlyBossesLeft = 0
continue
return False
if not hasOneLocAboveMinDiff:
hasOneLocAboveMinDiff = any(
loc['difficulty'].difficulty >= minDiff
for loc in locations)
self.smbm.addItems([loc['itemType'] for loc in toCollect])
for loc in toCollect:
locations.remove(loc)
def transferCollected(self, dest):
dest.currentItems = self.currentItems[:]
dest.sm = SMBoolManager()
dest.sm.addItems([item.Type for item in dest.currentItems])
dest.itemLocations = copy.copy(self.itemLocations)
dest.unrestrictedItems = copy.copy(self.unrestrictedItems)