121 lines
5.1 KiB
Python
121 lines
5.1 KiB
Python
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from math import ceil
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from .LocationList import location_table
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# Create a dict of dicts of the format:
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# {
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# scene_number_n : {
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# room_setup_number: max_flags
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# }
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# }
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# where room_setup_number defines the room + scene setup as ((setup << 6) + room) for scene n
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# and max_flags is the highest used enemy flag for that setup/room
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def get_collectible_flag_table(world):
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scene_flags = {}
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alt_list = []
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for i in range(0, 101):
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max_room_num = 0
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max_enemy_flag = 0
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scene_flags[i] = {}
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for location in world.get_locations():
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if(location.scene == i and location.type in ["Freestanding", "Pot", "FlyingPot", "Crate", "SmallCrate", "Beehive", "RupeeTower"]):
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default = location.default
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if(isinstance(default, list)): #List of alternative room/setup/flag to use
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primary_tuple = default[0]
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for c in range(1,len(default)):
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alt_list.append((location, default[c], primary_tuple))
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default = location.default[0] #Use the first tuple as the primary tuple
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if(isinstance(default, tuple)):
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room, setup, flag = default
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room_setup = room + (setup << 6)
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if(room_setup in scene_flags[i].keys()):
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curr_room_max_flag = scene_flags[i][room_setup]
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if flag > curr_room_max_flag:
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scene_flags[i][room_setup] = flag
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else:
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scene_flags[i][room_setup] = flag
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if len(scene_flags[i].keys()) == 0:
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del scene_flags[i]
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#scene_flags.append((i, max_enemy_flag))
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return (scene_flags, alt_list)
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# Create a byte array from the scene flag table created by get_collectible_flag_table
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def get_collectible_flag_table_bytes(scene_flag_table):
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num_flag_bytes = 0
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bytes = bytearray()
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bytes.append(len(scene_flag_table.keys()))
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for scene_id in scene_flag_table.keys():
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rooms = scene_flag_table[scene_id]
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room_count = len(rooms.keys())
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bytes.append(scene_id)
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bytes.append(room_count)
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for room in rooms:
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bytes.append(room)
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bytes.append((num_flag_bytes & 0xFF00) >> 8)
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bytes.append(num_flag_bytes & 0x00FF )
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num_flag_bytes += ceil((rooms[room] + 1) / 8)
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return bytes, num_flag_bytes
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def get_alt_list_bytes(alt_list):
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bytes = bytearray()
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for entry in alt_list:
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location, alt, primary = entry
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room, scene_setup, flag = alt
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alt_override = (room << 8) + (scene_setup << 14) + flag
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room, scene_setup, flag = primary
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primary_override = (room << 8) + (scene_setup << 14) + flag
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bytes.append(location.scene)
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bytes.append(0x06)
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bytes.append((alt_override & 0xFF00) >> 8)
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bytes.append(alt_override & 0xFF)
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bytes.append(location.scene)
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bytes.append(0x06)
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bytes.append((primary_override & 0xFF00) >> 8)
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bytes.append(primary_override & 0xFF)
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return bytes
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# AP method to retrieve address + bit for each item
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# Based on get_collectible_flag_offset in the C code
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def get_collectible_flag_addresses(world, collectible_scene_flags_table):
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# Ported directly from get_items.c
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def get_collectible_flag_offset(scene: int, room: int, setup_id: int) -> int:
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num_scenes = collectible_scene_flags_table[0]
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index = 1
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scene_id = 0
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room_id = 0
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room_setup_count = 0
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room_byte_offset = 0
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# Loop through collectible_scene_flags_table until we find the right scene
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while num_scenes > 0:
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scene_id = collectible_scene_flags_table[index]
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room_setup_count = collectible_scene_flags_table[index+1]
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index += 2
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if scene_id == scene: # found the scene
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# Loop through each room/setup combination until we find the right one.
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for i in range(room_setup_count):
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room_id = collectible_scene_flags_table[index] & 0x3F
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setup_id_temp = (collectible_scene_flags_table[index] & 0xC0) >> 6
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room_byte_offset = (collectible_scene_flags_table[index+1] << 8) + collectible_scene_flags_table[index+2]
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index += 3
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if room_id == room and setup_id_temp == setup_id:
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return room_byte_offset
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else: # Not the right scene, skip to the next one
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index += 3 * room_setup_count
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num_scenes -= 1
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return -1
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collectible_flag_addresses = {}
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for location in world.get_locations():
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if location.type in ["Freestanding", "Pot", "FlyingPot", "Crate", "SmallCrate", "Beehive", "RupeeTower"]:
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default = location.default
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if isinstance(default, list):
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default = default[0]
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room, setup, flag = default
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offset = get_collectible_flag_offset(location.scene, room, setup)
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item_id = location.address
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collectible_flag_addresses[item_id] = [offset, flag]
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return collectible_flag_addresses
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