RandomizeItemsAssumedFill.py

import json

import LoadLocationData
from collections import defaultdict
import random
import copy
import time

import RandomizeFunctions


def RandomizeItems(goalID,locationTree, progressItems, trashItems, badgeData, seed,inputFlags=[], reqBadges = { 'Zephyr Badge', 'Fog Badge', 'Hive Badge', 'Plain Badge', 'Storm Badge', 'Glacier Badge', 'Rising Badge'}, coreProgress= ['Surf','Fog Badge', 'Pass', 'S S Ticket', 'Squirtbottle','Cut','Hive Badge'], allPossibleFlags = ['Johto Mode','Kanto Mode'], plandoPlacements = {}):
	random.seed(seed)
	#add the "Ok" flag to the input flags, which is used to handle locations that lose all their restrictions
	inputFlags.append('Ok')
	#build progress set
	progressList = copy.copy(sorted(progressItems))
	progressList.extend(sorted(reqBadges))
	progressSet = copy.copy(sorted(progressList))
	coreProgress = list(sorted(frozenset(coreProgress).intersection(frozenset(progressSet))))
	locList = LoadLocationData.FlattenLocationTree(locationTree)
	#print("progress items are:")
	#print(progressItems)
	allocatedList = []
	#define set of badges
	badgeSet = list(badgeData.keys())
	#define set of trash badges
	trashBadges = list(frozenset(badgeData.keys()).difference(frozenset(reqBadges)))
	#print('good badges are:')
	#print(reqBadges)
	#print('trash badges are:')
	#print(trashBadges)
	#stores current requirements for each location
	requirementsDict = defaultdict(lambda: [])

	#shuffle the lists (no seriously, this is a perfectly valid randomization strategy)
	random.shuffle(locList)
	random.shuffle(progressList)
	random.shuffle(coreProgress)
	random.shuffle(trashItems)
	#build spoiler
	spoiler = {}
	#print('Building mappings')
	#note: these are the randomizer only flags, they do not map to actual logic defined in the config files
	#flagList = ['Rocket Invasion', '8 Badges', 'All Badges']
	flagList = ['Assumed Fill', 'All Badges', 'Ok']
	if(len(plandoPlacements) > 0):
		flagList.append('External Checking')
	#build the initial requirements mappings
	allReqsList = copy.copy(progressSet)
	itemCount = 0
	for i in locList:
		#baseline requirements
		#allReqs = i.LocationReqs+i.FlagReqs+i.itemReqs
		allReqs = sorted(i.requirementsNeeded(defaultdict(lambda: False)))
		allReqsList.extend(allReqs) 
		allReqsList.append(i.Name)
		requirementsDict[i.Name].append(allReqs)
		for j in sorted(i.FlagsSet):
			requirementsDict[j].append(allReqs)
			flagList.append(j)
		if i.Type == 'Item':
			itemCount = itemCount+1
	#print('Total number of items: '+str(itemCount))
	#print(requirementsDict)
	#if Explicit Checking is NOT in use, add an impossible location for it so it doesn't get used
	# if not 'Explicit Checking' in flagList:
		# for i in requirementsDict:
			# for j in range(0,len(requirementsDict[i])):
				# requirementsDict[i][j] = [x if x == 'Explicit Checking' else 'Impossible' for x in requirementsDict[i][j]]

	#if we are in plando mode (explicit placements, only use explicit checks for locations which have the option)
	if(len(plandoPlacements)>0):
		for i in requirementsDict:
			explicitable = False
			explicitOption = None
			for j in requirementsDict[i]:
				if('Explicit Checking' in j):
					explicitable = True
					explicitOption = j
			if explicitable:
				#print(requirementsDict[i])
				requirementsDict[i] = [explicitOption]
				#print(requirementsDict[i])

	#extract all core items out and put them in shuffled order at the start (which is the BACK) of the item list
	#this is done because these items unlock way too many item locations, so we want to maximize their legal locations
	for i in coreProgress:
		progressList.remove(i)
	progressList = progressList+coreProgress
	if 'Allocate Badges First' in inputFlags:
		for i in coreProgress:
			if 'Badge' in i:
				progressList.remove(i)
				progressList.append(i)
	#print(progressList)
	
	#go through all the plandomizer allocations and try to put them in locations specified (generated seed will ATTEMPT to obey these)
	#this works by putting the plando placements to be tried first
	for i in plandoPlacements:
		if (plandoPlacements[i] in progressList):
			for j in range(0, len(locList)):
				if(locList[j].Name == i):
					locInd = j
					#print(j)
			#print(locList[0].Name)
			locList.insert(0, locList.pop(locInd))
			#print(locList[0].Name)
			progressList.remove(plandoPlacements[i])
			progressList.insert(len(progressList),plandoPlacements[i])
	#print(plandoPlacements)
	#print(progressList)
	#keep copy of initial requirements dictionary to check tautologies
	initReqDict = copy.copy(requirementsDict)
	usedFlagsList = list(frozenset(allReqsList).intersection(allPossibleFlags))
	#begin assumed fill loop
	valid = True
	# while(len(progressList)>0 and valid):
		#pick an item to place
		# toAllocate = progressList.pop()
		# #print('Allocating '+toAllocate)
		# if toAllocate in progressItems:
			# allocationType = 'Item'
		# else:
			# allocationType = 'Gym'
		#iterate through randomly ordered locations until a feasible location to place item is found
	maxIter = len(progressList)
	#progressList.reverse()
	while len(progressList) > 0 and maxIter > 0:
		maxIter = maxIter - 1
		valid = False
		iter = 0
		retryPasses = 4
		#determine type of location to allocate based of progress list
		if progressList[-1] in progressItems:
			allocationType = 'Item'
		else:
			allocationType = 'Gym'
			toAllocate = progressList[-1] #If its a badge, we always force the allocation of THAT badge
		while not valid and iter < len(locList) and retryPasses > 0 and len(progressList) > 0:
			#sub item allocation loop, so that locations are at least randomly given items they can actually have
			allocated = False
			nLeft = len(progressList)
			while nLeft > 0 and not allocated:
				#if its a plando placement, just place it, we'll complain if infeasible later on
				if locList[iter] in plandoPlacements:
					toAllocate = plandoPlacements[locList[iter]]
					nLeft = 0
					placeable = True
				else:
					#skip over entries until we get to the type we're trying to allocate
					placeable = False
					while not placeable and nLeft > 0 and allocationType != 'Gym':
						nLeft = nLeft - 1
						toAllocate = progressList[nLeft]
						if allocationType == 'Item' and toAllocate in progressItems:
							placeable = True
						# if allocationType == 'Gym' and not (toAllocate in progressItems):
							# placeable = True
					#print('Allocating '+toAllocate)
					if allocationType == 'Gym':
						placeable = True
						nLeft = 0
				legal = True
				#is it the right type of location?
				#print(locList[iter].Name)
				#print(locList[iter].Type)
				if(locList[iter].Type == allocationType and placeable):
					#print('Trying '+locList[iter].Name +' as ' +toAllocate)
					#print(locList[iter].requirementsNeeded(defaultdict(lambda: False)))
					#do any of its dependencies depend on this item/badge?
					randOpt = random.choice(range(0,len(requirementsDict[locList[iter].Name])))
					allDepsList = sorted(copy.copy(requirementsDict[locList[iter].Name][randOpt]))
					oldDepsList = []
					newDeps = allDepsList
					addedList = [locList[iter].Name]
					revReqDict = defaultdict(lambda: [])
					while oldDepsList != allDepsList and legal:
						oldDepsList = allDepsList
						for j in newDeps:
							jReqs = []
							if(len(requirementsDict[j])>0):
								#print('Choosing non-tautological path for '+j)
								#choose a random path through dependencies that IS NOT A TAUTOLOGY!
								paths = copy.copy(requirementsDict[j])
								random.shuffle(paths)
								#pick an option from paths which isn't a tautology!
								tautologyCheck = True
								tautIter = 0
								#only need to pick if there are two options!
								if(len(requirementsDict[j])>1):
									#better strategy, if you choose option A from the multiple options, then the locations required by A CANNOT require j!
									#so when choosing a path to the locations required by A, we CANNOT choose an option with j as a dependency!
									#also, we don't pick paths that require the item we're trying to allocate, for obvious reasons
									trueOption = None
									for k in paths:
										#print('trying potential path:')
										#print(k)
										kTrue = True
										for l in k:
											kTrue = kTrue and (l not in revReqDict[j]) and toAllocate not in k
											lTrueOr = len(requirementsDict[l]) == 0
											for m in requirementsDict[l]:
												lTrueOr = lTrueOr or toAllocate not in m
											kTrue = kTrue and lTrueOr
											#also make sure the location doesn't literally require it
											kTrue = kTrue and l != toAllocate
											#also make sure its not impossible
											kTrue = kTrue and l != 'Impossible'
											#also make sure the requirements aren't impossible (accounts for multi-entrances, which can never be impossible)
											if(len(requirementsDict[l]) != 0):
												kTrue = kTrue and not ('Impossible' in requirementsDict[l][0])
											if not lTrueOr:
												1+1
												#print('False because '+l+' requires:')
												#print(requirementsDict[l])
											#if a flag we don't have is needed, we can't use that path
											kTrue = kTrue and not (l in usedFlagsList and l not in inputFlags)
											if (l in usedFlagsList and l not in inputFlags):
												1+1
												#print('False because the needed flag '+ l +' is not set')
												#print(usedFlagsList)
												#print(inputFlags)
										if(kTrue):
											trueOption = k
											#print('found non-tautological path')
											#print(k)
											break
										else:
											1+1
											#print('Path is false')
									#if new choice is none, ignore it because this is a true tautology
									#e.g. trying to place the squirtbottle at the sudowoodo junction
									if(not trueOption is None):
										#add all reverse dependencies onto new choice
										for k in trueOption:
											revReqDict[k].extend(sorted(revReqDict[j]))
											revReqDict[k].append(j)
										jReqs = trueOption
										addedList.append(j)
										if len(paths)>1:
											1+1
											#print(revReqDict)
									else:
										legal = False
										#this is not a legal item location! because it involves a tautology!
										#print('Illegal tautology:')
										#print(paths)
										#print('The following could create the tautology when allocating '+ toAllocate +' to '+locList[iter].Name+':')
										#print(revReqDict[j])
								else:
									jReqs = sorted(requirementsDict[j][0])
									#no impossible paths
									if 'Impossible' in jReqs:
										legal = False
										#print('but its impossible!')
									else:
										1+1
										#print('found non-tautological path')
										#print(jReqs)
									addedList.append(j)
							for k in jReqs:
								if k not in allDepsList:
									newDeps.append(k)
						allDepsList.extend(newDeps)
						#print('Expanded dependencies of '+locList[iter].Name+' to:')
						#print(allDepsList)
						newDeps = []
					#if a dependency requires an input flag (not set by a location, a location, or a progress item), that flag MUST be set
					#print(allDepsList)
					#print(legal)
					#print(set(allDepsList).intersection(set(usedFlagsList)).issubset(inputFlags))
					#print(usedFlagsList)
					#print(set(allDepsList).intersection(set(usedFlagsList)))
					legal = legal and frozenset(allDepsList).intersection(frozenset(usedFlagsList)).issubset(inputFlags)
					if(not frozenset(allDepsList).intersection(frozenset(usedFlagsList)).issubset(inputFlags)):
						1+1
						#print(locList[iter].Name + ' is not legal because it needs flags that are not set')
						#print(set(allDepsList).intersection(set(usedFlagsList)))
					#Impossible locations are illegal
					if("Impossible" in allDepsList):
						legal = False
					if(toAllocate not in allDepsList and legal):
						loc = locList.pop(iter)
						valid = True
						#print('Gave '+ toAllocate +' to '+ loc.Name)
						progressList.remove(toAllocate)
						allocated = True
						if(loc.isItem()):
							loc.item = toAllocate
							spoiler[loc.item] = loc.Name
						if(loc.isGym()):
							loc.badge = badgeData[toAllocate]
							badgeSet.remove(toAllocate)
							spoiler[loc.badge.Name] = loc.Name
						allocatedList.append(loc)
						#requirementsDict[toAllocate] = requirementsDict[loc.Name]
						requirementsDict[toAllocate] = [list(frozenset(allDepsList))]
						#print(spoiler)
					else:
						#print(locList[iter].Name+' cannot contain '+toAllocate)
						if(toAllocate in allDepsList):
							1+1
							#print('...because it requires '+toAllocate+' to be reached in the first place!')
							#print(spoiler)
						else:
							1+1
							#print('...because its currently an illegal location')
							#print(spoiler)
						#iter = iter+1
				# else:
					# iter = iter+1
				# if iter == len(locList) and not valid:
					# iter = 0
					# retryPasses = retryPasses-1
					# #print('retrying with different paths')
			iter = iter + 1

	#print('----')

	#traverse seed to both confirm beatability, allocate "trash" items and determine location distances
	#define the set of active initial locations to consider
	rodList = ['OLD_ROD','GOOD_ROD','SUPER_ROD']
	#overwrite rods into semi-progressive order
	if('SemiProgressiveRods' in inputFlags):
		#print(trashItems)
		for i in range(0,len(trashItems)):
			if('ROD' in trashItems[i]):
				trashItems[i] = rodList.pop()
		#print('---')
		#print(trashItems)
	activeLoc = copy.copy(locationTree)
	goalReached = False
	randomizerFailed = False
	#Initially we have no badges
	nBadges = 0
	#define the dict of currently accesible locations
	reachable = {}
	#define max distance of each badge
	maxBadgeDist = 0
	state = defaultdict(lambda: False)
	#set initial flags
	for i in inputFlags:
		state[i] = True
	#define mapping of state to distances at which parts of state were met
	stateDist = defaultdict(lambda: 0)
	stuckCount = 0
	trashSpoiler = {}
	while not goalReached and not randomizerFailed:
		#track if we're stuck
		stuck = True
		#shuffle the list of active locations to prevent any possible biases	
		random.shuffle(activeLoc)
		for i in activeLoc:
			#can we get to this location?
			if(i.isReachable(state) and i.Name not in reachable):
				#print(i.Name)
				#if we can get somewhere, we aren't stuck
				stuck = False
				#we can get somehwhere, so set this location in the state as true
				state[i.Name] = True
				#Add sublocations to the set of active locations
				activeLoc.extend(i.Sublocations)
				#set this location as reachable
				reachable[i.Name] = i
				activeLoc.remove(i)
				#set distance of this location
				maxdist = max([stateDist[x] for x in i.requirementsNeeded(defaultdict(lambda: False))],default = 0)
				if i.HasPKMN:
					maxdist = maxdist+1
				i.distance = maxdist
				#set distance of location
				stateDist[i.Name] = i.distance
				#set all relevant flags this location sets
				for j in i.getFlagList():
					state[j] = True
					stateDist[j] = i.distance
				#perform appropriate behaviors for location
				#if its an item, put an item in it
				#double checks items to write due to bizzare bug observed only once
				if(i.isItem()):
					if(not i.Name in spoiler.values()):
						if i.Name in plandoPlacements:
							item = plandoPlacements[i.Name]
							i.item = item
							try:
								trashItems.remove(item)
							except ValueError:
								pass
						else:
							#print(trashItems)
							i.item = trashItems.pop()
						trashSpoiler[i.Name] = i.item
						#print('Placing '+i.item +' in '+i.Name)
					else:
						state[i.item] = True
						stateDist[i.item] = max(stateDist[i.item],stateDist[i.Name])
						i.item = next(key for key, value in spoiler.items() if value == i.Name)
						#print('Progress item '+i.item +' in '+i.Name)
				if(i.isGym()):
					maxBadgeDist = max(maxBadgeDist,i.distance)
					nBadges = nBadges+1
					if(i.badge is None):
						#print(trashBadges)
						i.badge = badgeData[trashBadges.pop()]
					else:
						state[i.badge.Name] = True
						stateDist[i.badge.Name] = max(stateDist[i.badge.Name],stateDist[i.Name])
					#set badge count based flags
					if(nBadges == 7):
						state['Rocket Invasion'] = True
						stateDist['Rocket Invasion'] = maxBadgeDist
					if(nBadges == 8):
						state['8 Badges'] = True
						stateDist['8 Badges'] = maxBadgeDist
					if(nBadges == 16):
						state['All Badges'] = True
						stateDist['All Badges'] = maxBadgeDist
		if(stuckCount == 4):
			randomizerFailed = True
			for j in activeLoc:
				if(not state[j.Name]):
					1+1
					#print('Stuck on '+j.Name+', which needs:')
					#print(j.requirementsNeeded(state))
			#print(state)
		#check if we've become stuck
		if(stuck):
			stuckCount = stuckCount+1
		else:
			stuckCount = 0


	#verify that plando is matched if in use
	for i in plandoPlacements:
		if(plandoPlacements[i] in spoiler and spoiler[plandoPlacements[i]] != i):
			#raise Exception('Did not match plando placements!!!', plandoPlacements[i], i, spoiler[plandoPlacements[i]],)
			raise Exception('Did not match plando placements!!!')
	#Activate delete fly if needed
		if('Delete Fly' in inputFlags):
			for i in reachable.values():
				if i.isItem():
					#print(i.Name)
					#print('item is: '+str(i.item))
					if i.item == 'Fly':
						#print('deleted fly')
						i.item = 'BERRY'

	RandomizeFunctions.HandleItemReplacement(reachable,inputFlags)

	#print(stateDist)
	#print(spoiler)
	#print(nBadges)
	#print('illegal')
	#print('remaining')
	#print(trashItems)
	return (reachable, spoiler, stateDist, randomizerFailed, trashSpoiler, requirementsDict)