250 lines
11 KiB
Python
250 lines
11 KiB
Python
from collections import OrderedDict
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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__ = '0.5.1-dev'
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logic_hash = [117, 227, 77, 12, 94, 219, 67, 70, 58, 42, 7, 75, 132, 55, 130, 97, 235, 46, 206, 185, 243, 64, 109, 161, 107, 91, 224, 142, 25, 84, 4, 78,
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160, 245, 143, 18, 251, 114, 165, 157, 13, 26, 119, 92, 188, 216, 27, 39, 76, 238, 152, 113, 231, 193, 191, 103, 118, 182, 213, 134, 41, 90, 246, 82,
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57, 225, 150, 139, 99, 151, 184, 11, 85, 209, 144, 147, 47, 56, 129, 247, 121, 177, 79, 1, 215, 207, 126, 136, 105, 100, 180, 5, 2, 14, 153, 6,
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163, 192, 198, 88, 98, 174, 149, 201, 249, 200, 158, 116, 196, 80, 220, 31, 111, 214, 194, 248, 221, 167, 250, 115, 38, 10, 32, 218, 133, 19, 253, 122,
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239, 16, 52, 48, 156, 205, 127, 3, 138, 237, 234, 190, 37, 112, 189, 86, 223, 236, 195, 54, 71, 181, 43, 49, 226, 255, 0, 135, 186, 203, 175, 87,
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21, 229, 120, 124, 145, 171, 252, 155, 22, 62, 199, 51, 35, 179, 159, 44, 69, 30, 172, 242, 140, 74, 9, 83, 183, 93, 202, 137, 108, 241, 173, 23,
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164, 45, 222, 232, 166, 176, 230, 63, 154, 96, 170, 34, 66, 50, 17, 211, 95, 53, 208, 244, 36, 123, 81, 187, 106, 131, 169, 29, 104, 72, 101, 141,
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68, 24, 168, 125, 217, 240, 15, 162, 148, 8, 40, 102, 33, 89, 128, 61, 210, 204, 73, 228, 59, 146, 28, 110, 233, 178, 254, 65, 197, 20, 212, 60]
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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)
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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, random.randint(0, 15), shuffled_locations)
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elif args.algorithm == 'balanced':
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distribute_items_restrictive(world, random.randint(0, 15))
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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%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 "", "-progressives_" + world.progressive if world.progressive in ['off', 'random'] else "", "-fastmenu" if world.fastmenu else "", "-quickswap" if world.quickswap 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, 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 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)
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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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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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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 in a minimum number of spheres. As a cleanup, we right trim empty spheres (can happen if we have multiple triforces)
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collection_spheres = [sphere for sphere in collection_spheres if sphere]
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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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old_world.spoiler.paths = {location.name : list(reversed(list(map(str, flist_to_iter(state.path.get(location.parent_region, (location.parent_region, None))))))) for sphere in collection_spheres for location in sphere}
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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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