FF5Reader/includes/ff5/structs.py

93 lines
2.8 KiB
Python

from . import const, strings
from ..helpers import hex, parse_struct
class StructBlock:
structure = None
block_start = 0
block_length = 0
block_count = 0
@classmethod
def get_data(cls, rom: bytes):
start = cls.block_start
step = cls.block_length
end = start + (step * cls.block_count)
return [parse_struct(rom, address, cls.structure) for address in range(start, end, step)]
@classmethod
def get_headers(cls):
return ['Address'] + [z[0] for z in cls.structure]
class BattleBackground(StructBlock):
structure = (
('Tileset', 1, None),
('Palette 1', 1, None),
('Palette 2', 1, None),
('Tilemap', 1, None),
('TilemapFlip', 1, None),
(hex(5, 1), 1, None),
('Animation', 1, None),
('PaletteCycle',1, None),
)
block_start = 0x14BA21
block_length = 8
block_count = 34
class EnemySprite(StructBlock):
structure = (
('Sprite data offset', 2, None),
('Multiple things', 2, None),
('Tile Layout ID', 1, None),
)
headers = ['Address']+[i[0] for i in structure]
block_start = 0x14B180
block_length = 5
block_count = 0x180
class ZoneData(StructBlock):
def split_tilesets(data):
tilesets = [
(data & 0x00003F), # 0b00000000_00000000_00111111
(data & 0x000FC0) >> 6, # 0b00000000_00001111_11000000
(data & 0x03F000) >> 12, # 0b00000011_11110000_00000000
(data & 0xFC0000) >> 18, # 0b11111100_00000000_00000000
]
return ' '.join([hex(i,2) for i in tilesets])
def split_blockmaps(data):
blockmaps = [
( data & 0x000003FF) - 1, # 0b00000000_00000000_00000011_11111111
((data & 0x000FFC00) >> 10) - 1, # 0b00000000_00001111_11111100_00000000
((data & 0x3FF00000) >> 20) - 1, # 0b00111111_11110000_00000000_00000000
]
return ' '.join([hex(i,3) for i in blockmaps])
structure = (
('NPC Layer', 2, None), # 00 01
('Name', 1, strings.Strings.blocks_RPGe['zone_names'].decoded), # 02
('ShadowFlags', 1, None), # 03
('Graphic maths', 1, None), # 04 - MSb animation-related, 6 LSbs are ID for table in 0x005BB8 which writes to $2131-$2133 (Color Math Designation, Subscreen BG color)
('Tile properties',1, None), # 05
('Flags '+hex(6), 1, None), # 06
(hex(7), 1, None), # 07
('Blockset', 1, None), # 08
('Tilesets', 3, split_tilesets), # 09 0A 0B
('Blockmaps', 4, split_blockmaps), # 0C 0D 0E 0F
(hex(16), 1, None), # 10
(hex(17), 1, None), # 11
(hex(18), 1, None), # 12
(hex(19), 1, None), # 13
(hex(20), 1, None), # 14
(hex(21), 1, None), # 15
('Palette', 1, None), # 16
(hex(23), 1, None), # 17
(hex(24), 1, None), # 18
('Music', 1, const.BGM_Tracks), # 19
)
block_start = 0x0E9C00
block_length = 0x1A
block_count = const.zone_count