Grinch-AP/worlds/pokemon_rb/rom.py

import os
import hashlib
import Utils
import bsdiff4
from copy import deepcopy
from Patch import APDeltaPatch
from .text import encode_text
from .rom_addresses import rom_addresses
from .locations import location_data
from .items import item_table
import worlds.pokemon_rb.poke_data as poke_data


def choose_forced_type(chances, random):
    n = random.randint(1, 100)
    for chance in chances:
        if chance[0] >= n:
            return chance[1]
    return None


def filter_moves(moves, type, random):
    ret = []
    for move in moves:
        if poke_data.moves[move]["type"] == type or type is None:
            ret.append(move)
    random.shuffle(ret)
    return ret


def get_move(moves, chances, random, starting_move=False):
    type = choose_forced_type(chances, random)
    filtered_moves = filter_moves(moves, type, random)
    for move in filtered_moves:
        if poke_data.moves[move]["accuracy"] > 80 and poke_data.moves[move]["power"] > 0 or not starting_move:
            moves.remove(move)
            return move
    else:
        return get_move(moves, [], random, starting_move)


def get_encounter_slots(self):
    encounter_slots = deepcopy([location for location in location_data if location.type == "Wild Encounter"])

    for location in encounter_slots:
        if isinstance(location.original_item, list):
            location.original_item = location.original_item[not self.multiworld.game_version[self.player].value]
    return encounter_slots


def get_base_stat_total(mon):
    return (poke_data.pokemon_data[mon]["atk"] + poke_data.pokemon_data[mon]["def"]
            + poke_data.pokemon_data[mon]["hp"] + poke_data.pokemon_data[mon]["spd"]
            + poke_data.pokemon_data[mon]["spc"])


def randomize_pokemon(self, mon, mons_list, randomize_type, random):
    if randomize_type in [1, 3]:
        type_mons = [pokemon for pokemon in mons_list if any([poke_data.pokemon_data[mon][
             "type1"] in [self.local_poke_data[pokemon]["type1"], self.local_poke_data[pokemon]["type2"]],
             poke_data.pokemon_data[mon]["type2"] in [self.local_poke_data[pokemon]["type1"],
                                                      self.local_poke_data[pokemon]["type2"]]])]
        if not type_mons:
            type_mons = mons_list.copy()
        if randomize_type == 3:
            stat_base = get_base_stat_total(mon)
            type_mons.sort(key=lambda mon: abs(get_base_stat_total(mon) - stat_base))
        mon = type_mons[round(random.triangular(0, len(type_mons) - 1, 0))]
    if randomize_type == 2:
        stat_base = get_base_stat_total(mon)
        mons_list.sort(key=lambda mon: abs(get_base_stat_total(mon) - stat_base))
        mon = mons_list[round(random.triangular(0, 50, 0))]
    elif randomize_type == 4:
        mon = random.choice(mons_list)
    return mon


def process_trainer_data(self, data, random):
    mons_list = [pokemon for pokemon in poke_data.pokemon_data.keys() if pokemon not in poke_data.legendary_pokemon
                 or self.multiworld.trainer_legendaries[self.player].value]
    address = rom_addresses["Trainer_Data"]
    while address < rom_addresses["Trainer_Data_End"]:
        if data[address] == 255:
            mode = 1
        else:
            mode = 0
        while True:
            address += 1
            if data[address] == 0:
                address += 1
                break
            address += mode
            mon = None
            for i in range(1, 4):
                for l in ["A", "B", "C", "D", "E", "F", "G", "H"]:
                    if rom_addresses[f"Rival_Starter{i}_{l}"] == address:
                        mon = " ".join(self.multiworld.get_location(f"Pallet Town - Starter {i}",
                                                                    self.player).item.name.split()[1:])
                        if l in ["D", "E", "F", "G", "H"] and mon in poke_data.evolves_to:
                            mon = poke_data.evolves_to[mon]
                        if l in ["F", "G", "H"] and mon in poke_data.evolves_to:
                            mon = poke_data.evolves_to[mon]
            if mon is None and self.multiworld.randomize_trainer_parties[self.player].value:
                mon = poke_data.id_to_mon[data[address]]
                mon = randomize_pokemon(self, mon, mons_list,
                                        self.multiworld.randomize_trainer_parties[self.player].value, random)
            if mon is not None:
                data[address] = poke_data.pokemon_data[mon]["id"]


def process_static_pokemon(self):
    starter_slots = deepcopy([location for location in location_data if location.type == "Starter Pokemon"])
    legendary_slots = deepcopy([location for location in location_data if location.type == "Legendary Pokemon"])
    static_slots = deepcopy([location for location in location_data if location.type in
                    ["Static Pokemon", "Missable Pokemon"]])
    legendary_mons = deepcopy([slot.original_item for slot in legendary_slots])

    tower_6F_mons = set()
    for i in range(1, 11):
        tower_6F_mons.add(self.multiworld.get_location(f"Pokemon Tower 6F - Wild Pokemon - {i}", self.player).item.name)

    mons_list = [pokemon for pokemon in poke_data.first_stage_pokemon if pokemon not in poke_data.legendary_pokemon
                 or self.multiworld.randomize_legendary_pokemon[self.player].value == 3]
    if self.multiworld.randomize_legendary_pokemon[self.player].value == 0:
        for slot in legendary_slots:
            location = self.multiworld.get_location(slot.name, self.player)
            location.place_locked_item(self.create_item("Missable " + slot.original_item))
    elif self.multiworld.randomize_legendary_pokemon[self.player].value == 1:
        self.multiworld.random.shuffle(legendary_mons)
        for slot in legendary_slots:
            location = self.multiworld.get_location(slot.name, self.player)
            location.place_locked_item(self.create_item("Missable " + legendary_mons.pop()))
    elif self.multiworld.randomize_legendary_pokemon[self.player].value == 2:
        static_slots = static_slots + legendary_slots
        self.multiworld.random.shuffle(static_slots)
        static_slots.sort(key=lambda s: 0 if s.name == "Pokemon Tower 6F - Restless Soul" else 1)
        while legendary_slots:
            swap_slot = legendary_slots.pop()
            slot = static_slots.pop()
            slot_type = slot.type.split()[0]
            if slot_type == "Legendary":
                slot_type = "Missable"
            location = self.multiworld.get_location(slot.name, self.player)
            location.place_locked_item(self.create_item(slot_type + " " + swap_slot.original_item))
            swap_slot.original_item = slot.original_item
    elif self.multiworld.randomize_legendary_pokemon[self.player].value == 3:
        static_slots = static_slots + legendary_slots

    for slot in static_slots:
        location = self.multiworld.get_location(slot.name, self.player)
        randomize_type = self.multiworld.randomize_static_pokemon[self.player].value
        slot_type = slot.type.split()[0]
        if slot_type == "Legendary":
            slot_type = "Missable"
        if not randomize_type:
            location.place_locked_item(self.create_item(slot_type + " " + slot.original_item))
        else:
            mon = self.create_item(slot_type + " " +
                                       randomize_pokemon(self, slot.original_item, mons_list, randomize_type,
                                                         self.multiworld.random))
            while location.name == "Pokemon Tower 6F - Restless Soul" and mon in tower_6F_mons:
                mon = self.create_item(slot_type + " " + randomize_pokemon(self, slot.original_item, mons_list,
                                                                           randomize_type, self.multiworld.random))
            location.place_locked_item(mon)

    for slot in starter_slots:
        location = self.multiworld.get_location(slot.name, self.player)
        randomize_type = self.multiworld.randomize_starter_pokemon[self.player].value
        slot_type = "Missable"
        if not randomize_type:
            location.place_locked_item(self.create_item(slot_type + " " + slot.original_item))
        else:
            location.place_locked_item(self.create_item(slot_type + " " +
                                       randomize_pokemon(self, slot.original_item, mons_list, randomize_type,
                                                         self.multiworld.random)))


def process_wild_pokemon(self):

    encounter_slots = get_encounter_slots(self)

    placed_mons = {pokemon: 0 for pokemon in poke_data.pokemon_data.keys()}
    if self.multiworld.randomize_wild_pokemon[self.player].value:
        mons_list = [pokemon for pokemon in poke_data.pokemon_data.keys() if pokemon not in poke_data.legendary_pokemon
                     or self.multiworld.randomize_legendary_pokemon[self.player].value == 3]
        self.multiworld.random.shuffle(encounter_slots)
        locations = []
        for slot in encounter_slots:
            mon = randomize_pokemon(self, slot.original_item, mons_list,
                                    self.multiworld.randomize_wild_pokemon[self.player].value, self.multiworld.random)
            # if static Pokemon are not randomized, we make sure nothing on Pokemon Tower 6F is a Marowak
            # if static Pokemon are randomized we deal with that during static encounter randomization
            while (self.multiworld.randomize_static_pokemon[self.player].value == 0 and mon == "Marowak"
                   and "Pokemon Tower 6F" in slot.name):
                # to account for the possibility that only one ground type Pokemon exists, match only stats for this fix
                mon = randomize_pokemon(self, slot.original_item, mons_list, 2, self.multiworld.random)
            placed_mons[mon] += 1
            location = self.multiworld.get_location(slot.name, self.player)
            location.item = self.create_item(mon)
            location.event = True
            location.locked = True
            location.item.location = location
            locations.append(location)

        mons_to_add = []
        remaining_pokemon = [pokemon for pokemon in poke_data.pokemon_data.keys() if placed_mons[pokemon] == 0 and
                             (pokemon not in poke_data.legendary_pokemon or self.multiworld.randomize_legendary_pokemon[self.player].value == 3)]
        if self.multiworld.catch_em_all[self.player].value == 1:
            mons_to_add = [pokemon for pokemon in poke_data.first_stage_pokemon if placed_mons[pokemon] == 0 and
                            (pokemon not in poke_data.legendary_pokemon or self.multiworld.randomize_legendary_pokemon[self.player].value == 3)]
        elif self.multiworld.catch_em_all[self.player].value == 2:
            mons_to_add = remaining_pokemon.copy()
        logic_needed_mons = max(self.multiworld.oaks_aide_rt_2[self.player].value,
                                self.multiworld.oaks_aide_rt_11[self.player].value,
                                self.multiworld.oaks_aide_rt_15[self.player].value)
        if self.multiworld.accessibility[self.player] == "minimal":
            logic_needed_mons = 0

        self.multiworld.random.shuffle(remaining_pokemon)
        while (len([pokemon for pokemon in placed_mons if placed_mons[pokemon] > 0])
               + len(mons_to_add) < logic_needed_mons):
            mons_to_add.append(remaining_pokemon.pop())
        for mon in mons_to_add:
            stat_base = get_base_stat_total(mon)
            candidate_locations = get_encounter_slots(self)
            if self.multiworld.randomize_wild_pokemon[self.player].value in [1, 3]:
                candidate_locations = [slot for slot in candidate_locations if any([poke_data.pokemon_data[slot.original_item][
                    "type1"] in [self.local_poke_data[mon]["type1"], self.local_poke_data[mon]["type2"]],
                    poke_data.pokemon_data[slot.original_item]["type2"] in [self.local_poke_data[mon]["type1"],
                                                                          self.local_poke_data[mon]["type2"]]])]
            if not candidate_locations:
                candidate_locations = get_encounter_slots(self)
            candidate_locations = [self.multiworld.get_location(location.name, self.player) for location in candidate_locations]
            candidate_locations.sort(key=lambda slot: abs(get_base_stat_total(slot.item.name) - stat_base))
            for location in candidate_locations:
                if placed_mons[location.item.name] > 1 or location.item.name not in poke_data.first_stage_pokemon:
                    placed_mons[location.item.name] -= 1
                    location.item = self.create_item(mon)
                    location.item.location = location
                    placed_mons[mon] += 1
                    break

    else:
        for slot in encounter_slots:
            location = self.multiworld.get_location(slot.name, self.player)
            location.item = self.create_item(slot.original_item)
            location.event = True
            location.locked = True
            location.item.location = location
            placed_mons[location.item.name] += 1


def process_pokemon_data(self):

    local_poke_data = deepcopy(poke_data.pokemon_data)
    learnsets = deepcopy(poke_data.learnsets)

    for mon, mon_data in local_poke_data.items():
        if self.multiworld.randomize_pokemon_stats[self.player].value == 1:
            stats = [mon_data["hp"], mon_data["atk"], mon_data["def"], mon_data["spd"], mon_data["spc"]]
            self.multiworld.random.shuffle(stats)
            mon_data["hp"] = stats[0]
            mon_data["atk"] = stats[1]
            mon_data["def"] = stats[2]
            mon_data["spd"] = stats[3]
            mon_data["spc"] = stats[4]
        elif self.multiworld.randomize_pokemon_stats[self.player].value == 2:
            old_stats = mon_data["hp"] + mon_data["atk"] + mon_data["def"] + mon_data["spd"] + mon_data["spc"] - 5
            stats = [1, 1, 1, 1, 1]
            while old_stats > 0:
                stat = self.multiworld.random.randint(0, 4)
                if stats[stat] < 255:
                    old_stats -= 1
                    stats[stat] += 1
            mon_data["hp"] = stats[0]
            mon_data["atk"] = stats[1]
            mon_data["def"] = stats[2]
            mon_data["spd"] = stats[3]
            mon_data["spc"] = stats[4]
        if self.multiworld.randomize_pokemon_types[self.player].value:
            if self.multiworld.randomize_pokemon_types[self.player].value == 1 and mon in poke_data.evolves_from:
                type1 = local_poke_data[poke_data.evolves_from[mon]]["type1"]
                type2 = local_poke_data[poke_data.evolves_from[mon]]["type2"]
                if type1 == type2:
                    if self.multiworld.secondary_type_chance[self.player].value == -1:
                        if mon_data["type1"] != mon_data["type2"]:
                            while type2 == type1:
                                type2 = self.multiworld.random.choice(list(poke_data.type_names.values()))
                    elif self.multiworld.random.randint(1, 100) <= self.multiworld.secondary_type_chance[self.player].value:
                        type2 = self.multiworld.random.choice(list(poke_data.type_names.values()))
            else:
                type1 = self.multiworld.random.choice(list(poke_data.type_names.values()))
                type2 = type1
                if ((self.multiworld.secondary_type_chance[self.player].value == -1 and mon_data["type1"]
                     != mon_data["type2"]) or self.multiworld.random.randint(1, 100)
                        <= self.multiworld.secondary_type_chance[self.player].value):
                    while type2 == type1:
                        type2 = self.multiworld.random.choice(list(poke_data.type_names.values()))

            mon_data["type1"] = type1
            mon_data["type2"] = type2
        if self.multiworld.randomize_pokemon_movesets[self.player].value:
            if self.multiworld.randomize_pokemon_movesets[self.player].value == 1:
                if mon_data["type1"] == "Normal" and mon_data["type2"] == "Normal":
                    chances = [[75, "Normal"]]
                elif mon_data["type1"] == "Normal" or mon_data["type2"] == "Normal":
                    if mon_data["type1"] == "Normal":
                        second_type = mon_data["type2"]
                    else:
                        second_type = mon_data["type1"]
                    chances = [[30, "Normal"], [85, second_type]]
                elif mon_data["type1"] == mon_data["type2"]:
                    chances = [[60, mon_data["type1"]], [80, "Normal"]]
                else:
                    chances = [[50, mon_data["type1"]], [80, mon_data["type2"]], [85, "Normal"]]
            else:
                chances = []
            moves = list(poke_data.moves.keys())
            for move in ["No Move"] + poke_data.hm_moves:
                moves.remove(move)
            mon_data["start move 1"] = get_move(moves, chances, self.multiworld.random, True)
            for i in range(2, 5):
                if mon_data[f"start move {i}"] != "No Move" or self.multiworld.start_with_four_moves[
                        self.player].value == 1:
                    mon_data[f"start move {i}"] = get_move(moves, chances, self.multiworld.random)
            if mon in learnsets:
                for move_num in range(0, len(learnsets[mon])):
                    learnsets[mon][move_num] = get_move(moves, chances, self.multiworld.random)
        if self.multiworld.randomize_pokemon_catch_rates[self.player].value:
            mon_data["catch rate"] = self.multiworld.random.randint(self.multiworld.minimum_catch_rate[self.player], 255)
        else:
            mon_data["catch rate"] = max(self.multiworld.minimum_catch_rate[self.player], mon_data["catch rate"])

        if mon != "Mew":
            tms_hms = poke_data.tm_moves + poke_data.hm_moves
            for flag, tm_move in enumerate(tms_hms):
                if ((mon in poke_data.evolves_from.keys() and mon_data["type1"] ==
                     local_poke_data[poke_data.evolves_from[mon]]["type1"] and mon_data["type2"] ==
                     local_poke_data[poke_data.evolves_from[mon]]["type2"]) and (
                        (flag < 50 and self.multiworld.tm_compatibility[self.player].value in [1, 2]) or (
                        flag >= 51 and self.multiworld.hm_compatibility[self.player].value in [1, 2]))):
                    bit = 1 if local_poke_data[poke_data.evolves_from[mon]]["tms"][int(flag / 8)] & 1 << (flag % 8) else 0
                elif (flag < 50 and self.multiworld.tm_compatibility[self.player].value == 1) or (flag >= 50 and self.multiworld.hm_compatibility[self.player].value == 1):
                    type_match = poke_data.moves[tm_move]["type"] in [mon_data["type1"], mon_data["type2"]]
                    bit = int(self.multiworld.random.randint(1, 100) < [[90, 50, 25], [100, 75, 25]][flag >= 50][0 if type_match else 1 if poke_data.moves[tm_move]["type"] == "Normal" else 2])
                elif (flag < 50 and self.multiworld.tm_compatibility[self.player].value == 2) or (flag >= 50 and self.multiworld.hm_compatibility[self.player].value == 2):
                    bit = self.multiworld.random.randint(0, 1)
                elif (flag < 50 and self.multiworld.tm_compatibility[self.player].value == 3) or (flag >= 50 and self.multiworld.hm_compatibility[self.player].value == 3):
                    bit = 1
                else:
                    continue
                if bit:
                    mon_data["tms"][int(flag / 8)] |= 1 << (flag % 8)
                else:
                    mon_data["tms"][int(flag / 8)] &= ~(1 << (flag % 8))

    self.local_poke_data = local_poke_data
    self.learnsets = learnsets


def generate_output(self, output_directory: str):
    random = self.multiworld.per_slot_randoms[self.player]
    game_version = self.multiworld.game_version[self.player].current_key
    data = bytes(get_base_rom_bytes(game_version))

    with open(os.path.join(os.path.dirname(__file__), f'basepatch_{game_version}.bsdiff4'), 'rb') as stream:
        base_patch = bytes(stream.read())
    data = bytearray(bsdiff4.patch(data, base_patch))

    basemd5 = hashlib.md5()
    basemd5.update(data)

    for location in self.multiworld.get_locations():
        if location.player != self.player or location.rom_address is None:
            continue
        if location.item and location.item.player == self.player:
            if location.rom_address:
                rom_address = location.rom_address
                if not isinstance(rom_address, list):
                    rom_address = [rom_address]
                for address in rom_address:
                    if location.item.name in poke_data.pokemon_data.keys():
                        data[address] = poke_data.pokemon_data[location.item.name]["id"]
                    elif " ".join(location.item.name.split()[1:]) in poke_data.pokemon_data.keys():
                        data[address] = poke_data.pokemon_data[" ".join(location.item.name.split()[1:])]["id"]
                    else:
                        data[address] = self.item_name_to_id[location.item.name] - 172000000

        else:
            data[location.rom_address] = 0x2C  # AP Item
    data[rom_addresses['Fly_Location']] = self.fly_map_code

    if self.multiworld.tea[self.player].value:
        data[rom_addresses["Option_Tea"]] = 1
        data[rom_addresses["Guard_Drink_List"]] = 0x54
        data[rom_addresses["Guard_Drink_List"] + 1] = 0
        data[rom_addresses["Guard_Drink_List"] + 2] = 0

    data[rom_addresses["Fossils_Needed_For_Second_Item"]] = (
        self.multiworld.second_fossil_check_condition[self.player].value)

    data[rom_addresses["Option_Lose_Money"]] = int(not self.multiworld.lose_money_on_blackout[self.player].value)

    if self.multiworld.extra_key_items[self.player].value:
        data[rom_addresses['Options']] |= 4
    data[rom_addresses["Option_Blind_Trainers"]] = round(self.multiworld.blind_trainers[self.player].value * 2.55)
    data[rom_addresses['Option_Cerulean_Cave_Condition']] = self.multiworld.cerulean_cave_condition[self.player].value
    data[rom_addresses['Option_Encounter_Minimum_Steps']] = self.multiworld.minimum_steps_between_encounters[self.player].value
    data[rom_addresses['Option_Victory_Road_Badges']] = self.multiworld.victory_road_condition[self.player].value
    data[rom_addresses['Option_Pokemon_League_Badges']] = self.multiworld.elite_four_condition[self.player].value
    data[rom_addresses['Option_Viridian_Gym_Badges']] = self.multiworld.viridian_gym_condition[self.player].value
    data[rom_addresses['Option_EXP_Modifier']] = self.multiworld.exp_modifier[self.player].value
    if not self.multiworld.require_item_finder[self.player].value:
        data[rom_addresses['Option_Itemfinder']] = 0
    if self.multiworld.extra_strength_boulders[self.player].value:
        for i in range(0, 3):
            data[rom_addresses['Option_Boulders'] + (i * 3)] = 0x15
    if self.multiworld.extra_key_items[self.player].value:
        for i in range(0, 4):
            data[rom_addresses['Option_Rock_Tunnel_Extra_Items'] + (i * 3)] = 0x15
    if self.multiworld.old_man[self.player].value == 2:
        data[rom_addresses['Option_Old_Man']] = 0x11
        data[rom_addresses['Option_Old_Man_Lying']] = 0x15
    money = str(self.multiworld.starting_money[self.player].value).zfill(6)
    data[rom_addresses["Starting_Money_High"]] = int(money[:2], 16)
    data[rom_addresses["Starting_Money_Middle"]] = int(money[2:4], 16)
    data[rom_addresses["Starting_Money_Low"]] = int(money[4:], 16)
    data[rom_addresses["Text_Badges_Needed_Viridian_Gym"]] = encode_text(
        str(self.multiworld.viridian_gym_condition[self.player].value))[0]
    data[rom_addresses["Text_Badges_Needed"]] = encode_text(
        str(max(self.multiworld.victory_road_condition[self.player].value,
                self.multiworld.elite_four_condition[self.player].value)))[0]
    write_bytes(data, encode_text(
        " ".join(self.multiworld.get_location("Route 3 - Pokemon For Sale", self.player).item.name.upper().split()[1:])),
                rom_addresses["Text_Magikarp_Salesman"])

    if self.multiworld.badges_needed_for_hm_moves[self.player].value == 0:
        for hm_move in poke_data.hm_moves:
            write_bytes(data, bytearray([0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]),
                        rom_addresses["HM_" + hm_move + "_Badge_a"])
    elif self.extra_badges:
        written_badges = {}
        for hm_move, badge in self.extra_badges.items():
            data[rom_addresses["HM_" + hm_move + "_Badge_b"]] = {"Boulder Badge": 0x47, "Cascade Badge": 0x4F,
                                                                 "Thunder Badge": 0x57, "Rainbow Badge": 0x5F,
                                                                 "Soul Badge": 0x67, "Marsh Badge": 0x6F,
                                                                 "Volcano Badge": 0x77, "Earth Badge": 0x7F}[badge]
            move_text = hm_move
            if badge not in ["Marsh Badge", "Volcano Badge", "Earth Badge"]:
                move_text = ", " + move_text
            rom_address = rom_addresses["Badge_Text_" + badge.replace(" ", "_")]
            if badge in written_badges:
                rom_address += len(written_badges[badge])
                move_text = ", " + move_text
            write_bytes(data, encode_text(move_text.upper()), rom_address)
            written_badges[badge] = move_text
        for badge in ["Marsh Badge", "Volcano Badge", "Earth Badge"]:
            if badge not in written_badges:
                write_bytes(data, encode_text("Nothing"), rom_addresses["Badge_Text_" + badge.replace(" ", "_")])

    type_loc = rom_addresses["Type_Chart"]
    for matchup in self.type_chart:
        if matchup[2] != 10:  # don't needlessly divide damage by 10 and multiply by 10
            data[type_loc] = poke_data.type_ids[matchup[0]]
            data[type_loc + 1] = poke_data.type_ids[matchup[1]]
            data[type_loc + 2] = matchup[2]
            type_loc += 3
    data[type_loc] = 0xFF
    data[type_loc + 1] = 0xFF
    data[type_loc + 2] = 0xFF

    if self.multiworld.normalize_encounter_chances[self.player].value:
        chances = [25, 51, 77, 103, 129, 155, 180, 205, 230, 255]
        for i, chance in enumerate(chances):
            data[rom_addresses['Encounter_Chances'] + (i * 2)] = chance

    for mon, mon_data in self.local_poke_data.items():
        if mon == "Mew":
            address = rom_addresses["Base_Stats_Mew"]
        else:
            address = rom_addresses["Base_Stats"] + (28 * (mon_data["dex"] - 1))
        data[address + 1] = self.local_poke_data[mon]["hp"]
        data[address + 2] = self.local_poke_data[mon]["atk"]
        data[address + 3] = self.local_poke_data[mon]["def"]
        data[address + 4] = self.local_poke_data[mon]["spd"]
        data[address + 5] = self.local_poke_data[mon]["spc"]
        data[address + 6] = poke_data.type_ids[self.local_poke_data[mon]["type1"]]
        data[address + 7] = poke_data.type_ids[self.local_poke_data[mon]["type2"]]
        data[address + 8] = self.local_poke_data[mon]["catch rate"]
        data[address + 15] = poke_data.moves[self.local_poke_data[mon]["start move 1"]]["id"]
        data[address + 16] = poke_data.moves[self.local_poke_data[mon]["start move 2"]]["id"]
        data[address + 17] = poke_data.moves[self.local_poke_data[mon]["start move 3"]]["id"]
        data[address + 18] = poke_data.moves[self.local_poke_data[mon]["start move 4"]]["id"]
        write_bytes(data, self.local_poke_data[mon]["tms"], address + 20)
        if mon in self.learnsets:
            address = rom_addresses["Learnset_" + mon.replace(" ", "")]
            for i, move in enumerate(self.learnsets[mon]):
                data[(address + 1) + i * 2] = poke_data.moves[move]["id"]

    data[rom_addresses["Option_Aide_Rt2"]] = self.multiworld.oaks_aide_rt_2[self.player].value
    data[rom_addresses["Option_Aide_Rt11"]] = self.multiworld.oaks_aide_rt_11[self.player].value
    data[rom_addresses["Option_Aide_Rt15"]] = self.multiworld.oaks_aide_rt_15[self.player].value

    if self.multiworld.safari_zone_normal_battles[self.player].value == 1:
        data[rom_addresses["Option_Safari_Zone_Battle_Type"]] = 255

    if self.multiworld.reusable_tms[self.player].value:
        data[rom_addresses["Option_Reusable_TMs"]] = 0xC9

    data[rom_addresses["Option_Trainersanity"]] = self.multiworld.trainersanity[self.player].value
    data[rom_addresses["Option_Trainersanity2"]] = self.multiworld.trainersanity[self.player].value

    data[rom_addresses["Option_Always_Half_STAB"]] = int(not self.multiworld.same_type_attack_bonus[self.player].value)

    if self.multiworld.better_shops[self.player].value:
        inventory = ["Poke Ball", "Great Ball", "Ultra Ball"]
        if self.multiworld.better_shops[self.player].value == 2:
            inventory.append("Master Ball")
        inventory += ["Potion", "Super Potion", "Hyper Potion", "Max Potion", "Full Restore", "Revive", "Antidote",
                      "Awakening", "Burn Heal", "Ice Heal", "Paralyze Heal", "Full Heal", "Repel", "Super Repel",
                      "Max Repel", "Escape Rope"]
        shop_data = bytearray([0xFE, len(inventory)])
        shop_data += bytearray([item_table[item].id - 172000000 for item in inventory])
        shop_data.append(0xFF)
        for shop in range(1, 10):
            write_bytes(data, shop_data, rom_addresses[f"Shop{shop}"])
    price = str(self.multiworld.master_ball_price[self.player].value).zfill(6)
    price = bytearray([int(price[:2], 16), int(price[2:4], 16), int(price[4:], 16)])
    write_bytes(data, price, rom_addresses["Price_Master_Ball"])  # Money values in Red and Blue are weird

    for item in reversed(self.multiworld.precollected_items[self.player]):
        if data[rom_addresses["Start_Inventory"] + item.code - 172000000] < 255:
            data[rom_addresses["Start_Inventory"] + item.code - 172000000] += 1

    process_trainer_data(self, data, random)

    mons = [mon["id"] for mon in poke_data.pokemon_data.values()]
    random.shuffle(mons)
    data[rom_addresses['Title_Mon_First']] = mons.pop()
    for mon in range(0, 16):
        data[rom_addresses['Title_Mons'] + mon] = mons.pop()
    if self.multiworld.game_version[self.player].value:
        mons.sort(key=lambda mon: 0 if mon == self.multiworld.get_location("Pallet Town - Starter 1", self.player).item.name
                  else 1 if mon == self.multiworld.get_location("Pallet Town - Starter 2", self.player).item.name else
                  2 if mon == self.multiworld.get_location("Pallet Town - Starter 3", self.player).item.name else 3)
    else:
        mons.sort(key=lambda mon: 0 if mon == self.multiworld.get_location("Pallet Town - Starter 2", self.player).item.name
                  else 1 if mon == self.multiworld.get_location("Pallet Town - Starter 1", self.player).item.name else
                  2 if mon == self.multiworld.get_location("Pallet Town - Starter 3", self.player).item.name else 3)
    write_bytes(data, encode_text(self.multiworld.seed_name[-20:], 20, True), rom_addresses['Title_Seed'])

    slot_name = self.multiworld.player_name[self.player]
    slot_name.replace("@", " ")
    slot_name.replace("<", " ")
    slot_name.replace(">", " ")
    write_bytes(data, encode_text(slot_name, 16, True, True), rom_addresses['Title_Slot_Name'])

    if self.trainer_name == "choose_in_game":
        data[rom_addresses["Skip_Player_Name"]] = 0
    else:
        write_bytes(data, self.trainer_name, rom_addresses['Player_Name'])
    if self.rival_name == "choose_in_game":
        data[rom_addresses["Skip_Rival_Name"]] = 0
    else:
        write_bytes(data, self.rival_name, rom_addresses['Rival_Name'])

    data[0xFF00] = 1 # client compatibility version
    write_bytes(data, self.multiworld.seed_name.encode(), 0xFFDB)
    write_bytes(data, self.multiworld.player_name[self.player].encode(), 0xFFF0)

    outfilepname = f'_P{self.player}'
    outfilepname += f"_{self.multiworld.get_file_safe_player_name(self.player).replace(' ', '_')}" \
        if self.multiworld.player_name[self.player] != 'Player%d' % self.player else ''
    rompath = os.path.join(output_directory, f'AP_{self.multiworld.seed_name}{outfilepname}.gb')
    with open(rompath, 'wb') as outfile:
        outfile.write(data)
    if self.multiworld.game_version[self.player].current_key == "red":
        patch = RedDeltaPatch(os.path.splitext(rompath)[0] + RedDeltaPatch.patch_file_ending, player=self.player,
                              player_name=self.multiworld.player_name[self.player], patched_path=rompath)
    else:
        patch = BlueDeltaPatch(os.path.splitext(rompath)[0] + BlueDeltaPatch.patch_file_ending, player=self.player,
                               player_name=self.multiworld.player_name[self.player], patched_path=rompath)

    patch.write()
    os.unlink(rompath)


def write_bytes(data, byte_array, address):
    for byte in byte_array:
        data[address] = byte
        address += 1


def get_base_rom_bytes(game_version: str, hash: str="") -> bytes:
    file_name = get_base_rom_path(game_version)
    with open(file_name, "rb") as file:
        base_rom_bytes = bytes(file.read())
    if hash:
        basemd5 = hashlib.md5()
        basemd5.update(base_rom_bytes)
        if hash != basemd5.hexdigest():
            raise Exception(f"Supplied Base Rom does not match known MD5 for Pokémon {game_version.title()} UE "
                            "release. Get the correct game and version, then dump it")
    return base_rom_bytes


def get_base_rom_path(game_version: str) -> str:
    options = Utils.get_options()
    file_name = options["pokemon_rb_options"][f"{game_version}_rom_file"]
    if not os.path.exists(file_name):
        file_name = Utils.local_path(file_name)
    return file_name


class BlueDeltaPatch(APDeltaPatch):
    patch_file_ending = ".apblue"
    hash = "50927e843568814f7ed45ec4f944bd8b"
    game_version = "blue"
    game = "Pokemon Red and Blue"
    result_file_ending = ".gb"
    @classmethod
    def get_source_data(cls) -> bytes:
        return get_base_rom_bytes(cls.game_version, cls.hash)


class RedDeltaPatch(APDeltaPatch):
    patch_file_ending = ".apred"
    hash = "3d45c1ee9abd5738df46d2bdda8b57dc"
    game_version = "red"
    game = "Pokemon Red and Blue"
    result_file_ending = ".gb"
    @classmethod
    def get_source_data(cls) -> bytes:
        return get_base_rom_bytes(cls.game_version, cls.hash)