302 lines
13 KiB
Python
302 lines
13 KiB
Python
from collections import OrderedDict
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from itertools import zip_longest
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import json
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import logging
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import random
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import time
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from BaseClasses import World, CollectionState, Item
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from Regions import create_regions, mark_light_world_regions
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from EntranceShuffle import link_entrances
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from Rom import patch_rom, Sprite, LocalRom, JsonRom
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from Rules import set_rules
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from Dungeons import create_dungeons, fill_dungeons, fill_dungeons_restrictive
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from Fill import distribute_items_cutoff, distribute_items_staleness, distribute_items_restrictive, flood_items
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from ItemList import generate_itempool, difficulties
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from Utils import output_path
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__version__ = '0.6-rc'
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logic_hash = [85, 160, 173, 64, 16, 14, 97, 193, 219, 26, 11, 156, 198, 142, 213, 141,
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55, 60, 32, 174, 77, 128, 147, 3, 1, 118, 74, 50, 243, 6, 251, 36,
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194, 65, 217, 120, 94, 150, 108, 99, 222, 233, 96, 70, 225, 236, 103, 21,
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241, 138, 144, 95, 164, 62, 183, 25, 203, 33, 240, 228, 224, 181, 176, 155,
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247, 151, 140, 24, 221, 53, 83, 37, 71, 195, 188, 184, 90, 61, 13, 154,
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57, 230, 179, 45, 23, 59, 238, 130, 121, 5, 165, 38, 216, 136, 199, 132,
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255, 34, 212, 208, 227, 126, 226, 104, 98, 75, 166, 158, 40, 234, 111, 72,
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58, 133, 157, 252, 192, 84, 152, 116, 177, 124, 190, 46, 214, 8, 10, 81,
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244, 67, 182, 2, 0, 237, 145, 80, 7, 197, 137, 168, 102, 235, 204, 91,
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69, 9, 100, 139, 54, 172, 232, 105, 162, 115, 242, 170, 169, 254, 20, 117,
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180, 220, 191, 110, 93, 163, 223, 185, 211, 210, 39, 47, 114, 207, 73, 146,
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112, 12, 78, 4, 88, 171, 106, 87, 127, 123, 41, 178, 43, 201, 202, 167,
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35, 30, 122, 44, 209, 19, 249, 18, 113, 186, 49, 52, 161, 86, 200, 149,
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218, 107, 29, 27, 135, 159, 66, 17, 131, 129, 76, 250, 15, 248, 82, 239,
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68, 63, 143, 28, 153, 48, 101, 119, 51, 31, 215, 42, 187, 92, 109, 245,
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22, 56, 89, 206, 148, 229, 175, 134, 189, 205, 79, 196, 246, 253, 231, 125]
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def main(args, seed=None):
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start = time.clock()
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# initialize the world
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world = World(args.shuffle, args.logic, args.mode, args.difficulty, args.timer, args.progressive, args.goal, args.algorithm, not args.nodungeonitems, args.beatableonly, args.shuffleganon, args.quickswap, args.fastmenu, args.disablemusic, args.keysanity, args.custom, args.customitemarray)
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logger = logging.getLogger('')
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if seed is None:
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random.seed(None)
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world.seed = random.randint(0, 999999999)
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else:
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world.seed = int(seed)
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random.seed(world.seed)
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logger.info('ALttP Entrance Randomizer Version %s - Seed: %s\n\n', __version__, world.seed)
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world.difficulty_requirements = difficulties[world.difficulty]
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create_regions(world)
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create_dungeons(world)
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logger.info('Shuffling the World about.')
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link_entrances(world)
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mark_light_world_regions(world)
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logger.info('Calculating Access Rules.')
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set_rules(world)
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logger.info('Generating Item Pool.')
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generate_itempool(world)
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logger.info('Placing Dungeon Items.')
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shuffled_locations = None
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if args.algorithm in ['balanced', 'vt26'] or args.keysanity:
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shuffled_locations = world.get_unfilled_locations()
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random.shuffle(shuffled_locations)
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fill_dungeons_restrictive(world, shuffled_locations)
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else:
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fill_dungeons(world)
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logger.info('Fill the world.')
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if args.algorithm == 'flood':
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flood_items(world) # different algo, biased towards early game progress items
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elif args.algorithm == 'vt21':
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distribute_items_cutoff(world, 1)
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elif args.algorithm == 'vt22':
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distribute_items_cutoff(world, 0.66)
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elif args.algorithm == 'freshness':
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distribute_items_staleness(world)
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elif args.algorithm == 'vt25':
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distribute_items_restrictive(world, 0)
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elif args.algorithm == 'vt26':
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distribute_items_restrictive(world, gt_filler(world), shuffled_locations)
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elif args.algorithm == 'balanced':
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distribute_items_restrictive(world, gt_filler(world))
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logger.info('Calculating playthrough.')
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create_playthrough(world)
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logger.info('Patching ROM.')
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if args.sprite is not None:
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if isinstance(args.sprite, Sprite):
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sprite = args.sprite
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else:
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sprite = Sprite(args.sprite)
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else:
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sprite = None
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outfilebase = 'ER_%s_%s-%s-%s%s_%s-%s%s%s%s_%s' % (world.logic, world.difficulty, world.mode, world.goal, "" if world.timer in ['none', 'display'] else "-" + world.timer, world.shuffle, world.algorithm, "-keysanity" if world.keysanity else "", "-prog_" + world.progressive if world.progressive in ['off', 'random'] else "", "-shuffleganon" if world.shuffle_ganon else "", world.seed)
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if not args.suppress_rom:
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if args.jsonout:
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rom = JsonRom()
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else:
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rom = LocalRom(args.rom)
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patch_rom(world, rom, bytearray(logic_hash), args.heartbeep, args.heartcolor, sprite)
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if args.jsonout:
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print(json.dumps({'patch': rom.patches, 'spoiler': world.spoiler.to_json()}))
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else:
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rom.write_to_file(args.jsonout or output_path('%s.sfc' % outfilebase))
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if args.create_spoiler and not args.jsonout:
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world.spoiler.to_file(output_path('%s_Spoiler.txt' % outfilebase))
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logger.info('Done. Enjoy.')
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logger.debug('Total Time: %s', time.clock() - start)
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return world
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def gt_filler(world):
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if world.goal == 'triforcehunt':
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return random.randint(15, 50)
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return random.randint(0, 15)
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def copy_world(world):
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# ToDo: Not good yet
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ret = World(world.shuffle, world.logic, world.mode, world.difficulty, world.timer, world.progressive, world.goal, world.algorithm, world.place_dungeon_items, world.check_beatable_only, world.shuffle_ganon, world.quickswap, world.fastmenu, world.disable_music, world.keysanity, world.custom, world.customitemarray)
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ret.required_medallions = list(world.required_medallions)
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ret.swamp_patch_required = world.swamp_patch_required
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ret.ganon_at_pyramid = world.ganon_at_pyramid
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ret.treasure_hunt_count = world.treasure_hunt_count
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ret.treasure_hunt_icon = world.treasure_hunt_icon
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ret.sewer_light_cone = world.sewer_light_cone
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ret.light_world_light_cone = world.light_world_light_cone
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ret.dark_world_light_cone = world.dark_world_light_cone
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ret.seed = world.seed
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ret.can_access_trock_eyebridge = world.can_access_trock_eyebridge
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ret.can_take_damage = world.can_take_damage
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ret.difficulty_requirements = world.difficulty_requirements
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ret.fix_fake_world = world.fix_fake_world
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ret.lamps_needed_for_dark_rooms = world.lamps_needed_for_dark_rooms
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create_regions(ret)
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create_dungeons(ret)
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# connect copied world
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for region in world.regions:
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copied_region = ret.get_region(region.name)
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copied_region.is_light_world = region.is_light_world
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copied_region.is_dark_world = region.is_dark_world
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for entrance in region.entrances:
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ret.get_entrance(entrance.name).connect(copied_region)
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# fill locations
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for location in world.get_locations():
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if location.item is not None:
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item = Item(location.item.name, location.item.advancement, location.item.priority, location.item.type)
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ret.get_location(location.name).item = item
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item.location = ret.get_location(location.name)
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if location.event:
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ret.get_location(location.name).event = True
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# copy remaining itempool. No item in itempool should have an assigned location
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for item in world.itempool:
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ret.itempool.append(Item(item.name, item.advancement, item.priority, item.type))
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# copy progress items in state
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ret.state.prog_items = list(world.state.prog_items)
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set_rules(ret)
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return ret
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def create_playthrough(world):
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# create a copy as we will modify it
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old_world = world
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world = copy_world(world)
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# in treasure hunt and pedestal goals, ganon is invincible
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if world.goal in ['pedestal', 'triforcehunt']:
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world.get_location('Ganon').item = None
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# if we only check for beatable, we can do this sanity check first before writing down spheres
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if world.check_beatable_only and not world.can_beat_game():
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raise RuntimeError('Cannot beat game. Something went terribly wrong here!')
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# get locations containing progress items
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prog_locations = [location for location in world.get_filled_locations() if location.item.advancement]
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state_cache = [None]
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collection_spheres = []
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state = CollectionState(world)
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sphere_candidates = list(prog_locations)
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logging.getLogger('').debug('Building up collection spheres.')
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while sphere_candidates:
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if not world.keysanity:
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state.sweep_for_events(key_only=True)
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sphere = []
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# build up spheres of collection radius. Everything in each sphere is independent from each other in dependencies and only depends on lower spheres
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for location in sphere_candidates:
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if state.can_reach(location):
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sphere.append(location)
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for location in sphere:
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sphere_candidates.remove(location)
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state.collect(location.item, True, location)
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collection_spheres.append(sphere)
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state_cache.append(state.copy())
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logging.getLogger('').debug('Calculated sphere %i, containing %i of %i progress items.', len(collection_spheres), len(sphere), len(prog_locations))
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if not sphere:
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logging.getLogger('').debug('The following items could not be reached: %s', ['%s at %s' % (location.item.name, location.name) for location in sphere_candidates])
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if not world.check_beatable_only:
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raise RuntimeError('Not all progression items reachable. Something went terribly wrong here.')
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else:
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break
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# in the second phase, we cull each sphere such that the game is still beatable, reducing each range of influence to the bare minimum required inside it
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for num, sphere in reversed(list(enumerate(collection_spheres))):
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to_delete = []
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for location in sphere:
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# we remove the item at location and check if game is still beatable
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logging.getLogger('').debug('Checking if %s is required to beat the game.', location.item.name)
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old_item = location.item
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location.item = None
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state.remove(old_item)
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if world.can_beat_game(state_cache[num]):
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to_delete.append(location)
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else:
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# still required, got to keep it around
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location.item = old_item
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# cull entries in spheres for spoiler walkthrough at end
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for location in to_delete:
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sphere.remove(location)
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# we are now down to just the required progress items in collection_spheres. Unfortunately
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# the previous pruning stage could potentially have made certain items dependant on others
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# in the same or later sphere (because the location had 2 ways to access but the item originally
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# used to access it was deemed not required.) So we need to do one final sphere collection pass
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# to build up the correct spheres
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required_locations = [item for sphere in collection_spheres for item in sphere]
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state = CollectionState(world)
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collection_spheres = []
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while required_locations:
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if not world.keysanity:
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state.sweep_for_events(key_only=True)
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sphere = list(filter(state.can_reach, required_locations))
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for location in sphere:
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required_locations.remove(location)
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state.collect(location.item, True, location)
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collection_spheres.append(sphere)
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logging.getLogger('').debug('Calculated final sphere %i, containing %i of %i progress items.', len(collection_spheres), len(sphere), len(required_locations))
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if not sphere:
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raise RuntimeError('Not all required items reachable. Something went terribly wrong here.')
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# store the required locations for statistical analysis
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old_world.required_locations = [location.name for sphere in collection_spheres for location in sphere]
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def flist_to_iter(node):
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while node:
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value, node = node
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yield value
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def get_path(state, region):
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reversed_path_as_flist = state.path.get(region, (region, None))
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string_path_flat = reversed(list(map(str, flist_to_iter(reversed_path_as_flist))))
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# Now we combine the flat string list into (region, exit) pairs
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pathsiter = iter(string_path_flat)
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pathpairs = zip_longest(pathsiter, pathsiter)
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return list(pathpairs)
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old_world.spoiler.paths = {location.name : get_path(state, location.parent_region) for sphere in collection_spheres for location in sphere}
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if any(exit == 'Pyramid Fairy' for path in old_world.spoiler.paths.values() for (_, exit) in path):
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old_world.spoiler.paths['Big Bomb Shop'] = get_path(state, world.get_region('Big Bomb Shop'))
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if any(exit == 'Swamp Palace Moat' for path in old_world.spoiler.paths.values() for (_, exit) in path) or 'Sunken Treasure' in old_world.required_locations:
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old_world.spoiler.paths['Dam'] = get_path(state, world.get_region('Dam'))
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# we can finally output our playthrough
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old_world.spoiler.playthrough = OrderedDict([(str(i + 1), {str(location): str(location.item) for location in sphere}) for i, sphere in enumerate(collection_spheres)])
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