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20 KiB
Python

from __future__ import annotations
from dataclasses import dataclass
from dataclasses import field
import xmltodict
MIN_POS = 0
MAX_POS = 65536
DRS_LEFT = 1
DRS_RIGHT = 2
DRS_DOWN = 3
DRS_JUMP = 4
TPS_MULTIPLIER = 0.08 # Multiply this by BPM to get ticks per second
DRS_ALBUM_ID = 2022121400
ALBUM_NAME = f'DANCERUSH STARDOM ({DRS_ALBUM_ID})'
DEFAULT_TRACK_DIR = f'tracks/{ALBUM_NAME}/'
OUTPUT_ZIP_NAME = 'DANCERUSH_STARDOM.zip'
@dataclass
class DRSSongInfo:
artist_name: str
artist_yomigana: str
genre: int
title_name: str
title_yomigana: str
bpm_max: int
bpm_min: int
distribution_date: int
license: str
region: str
volume: int
@dataclass
class DRSSongDifficulty:
track: DRSTrack
difnum: int | None = None
@dataclass
class DRSSongDifficulties:
difficulty_1a: DRSSongDifficulty | None = None
difficulty_1b: DRSSongDifficulty | None = None
difficulty_2a: DRSSongDifficulty | None = None
difficulty_2b: DRSSongDifficulty | None = None
@property
def with_attrs_as_str(self) -> dict[str, DRSSongDifficulty]:
return {
'difficulty_1a': self.difficulty_1a,
'difficulty_1b': self.difficulty_1b,
'difficulty_2a': self.difficulty_2a,
'difficulty_2b': self.difficulty_2b,
}
@dataclass
class DRSSongData:
song_id: int
difficulties: DRSSongDifficulties | None = None
info: DRSSongInfo | None = None
@property
def ogg(self) -> str:
return f'{str(self.song_id)}.ogg'
@property
def png(self) -> str:
return f'{str(self.song_id)}.png'
@classmethod
def from_xml_dict(cls, data: dict, difficulties: DRSSongDifficulties) -> DRSSongData:
return cls(
song_id=int(data['@id']),
difficulties=difficulties,
info=DRSSongInfo(
artist_name=data['info']['artist_name'].get('#text'),
artist_yomigana=data['info']['artist_yomigana'].get('#text'),
genre=int(data['info']['genre']['#text']),
title_name=data['info']['title_name']['#text'],
title_yomigana=data['info']['title_yomigana']['#text'],
bpm_max=int(data['info']['bpm_max']['#text']),
bpm_min=int(data['info']['bpm_min']['#text']),
distribution_date=int(
data['info']['distribution_date']['#text'],
),
license=data['info']['license'].get('#text'),
region=data['info']['region']['#text'],
volume=int(data['info']['volume']['#text']),
),
)
@classmethod
def from_json_dict(cls, data: dict):
difficulties = data['difficulties']
info = data['info']
return cls(
song_id=int(data['song_id']),
difficulties=DRSSongDifficulties(
difficulty_1a=DRSSongDifficulty(
track=DRSTrack.from_json_dict(
difficulties['difficulty_1a']['track'],
),
difnum=difficulties['difficulty_1a']['difnum'],
) if difficulties['difficulty_1a'] else None,
difficulty_1b=DRSSongDifficulty(
track=DRSTrack.from_json_dict(
difficulties['difficulty_1b']['track'],
),
difnum=difficulties['difficulty_1b']['difnum'],
) if difficulties['difficulty_1b'] else None,
difficulty_2a=DRSSongDifficulty(
track=DRSTrack.from_json_dict(
difficulties['difficulty_2a']['track'],
),
difnum=difficulties['difficulty_2a']['difnum'],
) if difficulties['difficulty_2a'] else None,
difficulty_2b=DRSSongDifficulty(
track=DRSTrack.from_json_dict(
difficulties['difficulty_2b']['track'],
),
difnum=difficulties['difficulty_2b']['difnum'],
) if difficulties['difficulty_2b'] else None,
),
info=DRSSongInfo(
artist_name=info['artist_name'],
artist_yomigana=info['artist_yomigana'],
genre=info['genre'],
title_name=info['title_name'],
title_yomigana=info['title_yomigana'],
bpm_max=info['bpm_max'],
bpm_min=info['bpm_min'],
distribution_date=info['distribution_date'],
license=info['license'],
region=info['region'],
volume=info['volume'],
),
)
@dataclass
class DRSTrackBPMInfo:
bpm: int
tick: int | None = None
time: int | None = None
delta_time: int | None = None
@dataclass
class DRSTrackMeasureInfo:
denomi: int
num: int
tick: int | None = None
time: int | None = None
delta_time: int | None = None
@dataclass
class DRSTrackTimeInfo:
time_unit: int
@dataclass
class DRSTrackInfo:
end_tick: int
time_unit: DRSTrackTimeInfo
bpm_info: list[DRSTrackBPMInfo] = field(default_factory=list)
measure_info: list[DRSTrackMeasureInfo] = field(default_factory=list)
@property
def highest_bpm(self) -> int:
return max(bpm_info.bpm for bpm_info in self.bpm_info)
def determine_seconds_of_tick(self, target_tick: int) -> float:
total_seconds = 0.0
relevant_bpm_infos = sorted(
[b for b in self.bpm_info if b.tick <= target_tick],
key=lambda x: x.tick,
reverse=True,
)
for idx, current_bpm in enumerate(relevant_bpm_infos[:-1]):
next_bpm = relevant_bpm_infos[idx + 1]
tick_range = current_bpm.tick - next_bpm.tick
ticks_per_second = next_bpm.bpm * TPS_MULTIPLIER
seconds_for_range = tick_range / ticks_per_second
total_seconds += seconds_for_range
closest_bpm_info = relevant_bpm_infos[0]
remaining_ticks = target_tick - closest_bpm_info.tick
ticks_per_second = closest_bpm_info.bpm * TPS_MULTIPLIER
total_seconds += remaining_ticks / ticks_per_second
return total_seconds
@classmethod
def from_xml_dict(cls, data: dict):
if type(data['measure_info']['measure']) is list:
drs_track_measure_info = []
for measure in data['measure_info']['measure']:
has_tick = 'tick' in measure
has_time = 'time' in measure
has_delta_time = 'delta_time' in measure
measure_info = DRSTrackMeasureInfo(
int(measure['denomi']['#text']),
int(measure['num']['#text']),
int(measure['tick']['#text']) if has_tick else None,
int(measure['time']['#text']) if has_time else None,
int(
measure['delta_time']['#text'],
) if has_delta_time else None,
)
drs_track_measure_info.append(measure_info)
else:
has_tick = 'tick' in data['measure_info']['measure']
has_time = 'time' in data['measure_info']['measure']
has_delta_time = 'delta_time' in data['measure_info']['measure']
drs_track_measure_info = [
DRSTrackMeasureInfo(
int(data['measure_info']['measure']['denomi']['#text']),
int(data['measure_info']['measure']['num']['#text']),
int(
data['measure_info']['measure']['tick']
['#text'],
) if has_tick else None,
int(
data['measure_info']['measure']['time']
['#text'],
) if has_time else None,
int(
data['measure_info']['measure']['delta_time']
['#text'],
) if has_delta_time else None,
),
]
if type(data['bpm_info']['bpm']) is list:
drs_track_bpm_info = []
for bpm in data['bpm_info']['bpm']:
has_tick = 'tick' in bpm
has_time = 'time' in bpm
has_delta_time = 'delta_time' in bpm
bmp_info = DRSTrackBPMInfo(
int(bpm['bpm']['#text']),
int(bpm['tick']['#text']) if has_tick else None,
int(bpm['time']['#text']) if has_time else None,
int(
bpm['delta_time']['#text'],
) if has_delta_time else None,
)
drs_track_bpm_info.append(bmp_info)
else:
has_tick = 'tick' in data['bpm_info']['bpm']
has_time = 'time' in data['bpm_info']['bpm']
has_delta_time = 'delta_time' in data['bpm_info']['bpm']
drs_track_bpm_info = [
DRSTrackBPMInfo(
int(data['bpm_info']['bpm']['bpm']['#text']),
int(
data['bpm_info']['bpm']['tick']
['#text'],
) if has_tick else None,
int(
data['bpm_info']['bpm']['time']
['#text'],
) if has_time else None,
int(
data['bpm_info']['bpm']['delta_time']
['#text'],
) if has_delta_time else None,
),
]
if 'time_unit' in data:
time_unit = int(data['time_unit']['#text'])
elif 'tick' in data:
time_unit = int(data['tick']['#text'])
else:
time_unit = 480
return cls(
end_tick=int(
data['end_tick']['#text'],
) if 'end_tick' in data else None,
time_unit=DRSTrackTimeInfo(time_unit),
bpm_info=drs_track_bpm_info,
measure_info=drs_track_measure_info,
)
@classmethod
def from_json_dict(cls, data: dict):
return cls(
end_tick=int(data['end_tick']) if data.get(
'end_tick',
) is not None else None,
time_unit=DRSTrackTimeInfo(int(data['time_unit']['time_unit'])),
bpm_info=[
DRSTrackBPMInfo(
bpm=int(bpm['bpm']) if bpm.get(
'bpm',
) is not None else None,
tick=int(bpm['tick']) if bpm.get(
'tick',
) is not None else None,
) for bpm in data['bpm_info']
],
measure_info=[
DRSTrackMeasureInfo(
denomi=int(measure['denomi']),
num=int(measure['num']),
tick=int(measure['tick']) if measure.get(
'tick',
) is not None else None,
) for measure in data['measure_info']
],
)
@dataclass
class DRSTrackStepTickInfo:
start_tick: int | None = None
end_tick: int | None = None
stime_ms: int | None = None
etime_ms: int | None = None
stime_dt: int | None = None
etime_dt: int | None = None
@dataclass
class DRSTrackStepPositionInfo:
left_pos: int
right_pos: int
@property
def to_dance_dash_x(self):
center_pos = (self.left_pos + self.right_pos) / 2
mapped_value = 1 + (center_pos / MAX_POS) * 8
return round(mapped_value)
@dataclass
class DRSTrackPoint(DRSTrackStepPositionInfo):
tick: int
left_end_pos: int | None = None
right_end_pos: int | None = None
point_time: int | None = None
@property
def to_dance_dash_end_x(self):
center_pos = (self.left_end_pos + self.right_end_pos) / 2
mapped_value = 1 + (center_pos / MAX_POS) * 8
return round(mapped_value)
@property
def tail(self):
end_x = self.to_dance_dash_end_x
if end_x in range(2, 9):
return end_x + (end_x - self.to_dance_dash_x)
return end_x
@dataclass
class DRSTrackStepPlayerInfo:
player_id: int
@dataclass
class DRSTrackStep:
tick_info: DRSTrackStepTickInfo
kind: DRS_LEFT | DRS_RIGHT | DRS_DOWN | DRS_JUMP
position_info: DRSTrackStepPositionInfo
player_info: DRSTrackStepPlayerInfo
long_point: list[DRSTrackPoint] = field(default_factory=list)
@property
def is_down_or_up(self):
return self.kind in (DRS_DOWN, DRS_JUMP)
@classmethod
def from_xml_dict(cls, data: dict):
points = []
if long_point := data.get('long_point'):
if points := long_point.get('point'):
if not isinstance(points, list):
points = [points]
has_start_tick = 'start_tick' in data
has_end_tick = 'end_tick' in data
has_stime_ms = 'stime_ms' in data
has_etime_ms = 'etime_ms' in data
has_stime_dt = 'stime_dt' in data
has_etime_dt = 'etime_dt' in data
main_left_pos = int(data['left_pos']['#text']) if 'left_pos' in data else int(
data['pos_left']['#text'],
)
main_right_pos = int(data['right_pos']['#text']) if 'right_pos' in data else int(
data['pos_right']['#text'],
)
track_points = []
for point in points:
if 'left_pos' in point:
left_pos = safe_int(point['left_pos']['#text'])
elif 'pos_left' in point:
left_pos = safe_int(point['pos_left']['#text'])
if 'right_pos' in point:
right_pos = safe_int(point['right_pos']['#text'])
elif 'pos_right' in point:
right_pos = safe_int(point['pos_right']['#text'])
left_end_pos = None
if 'left_end_pos' in point:
left_end_pos = safe_int(point['left_end_pos']['#text'])
elif 'pos_lend' in point:
left_end_pos = safe_int(point['pos_lend']['#text'])
right_end_pos = None
if 'right_end_pos' in point:
right_end_pos = safe_int(point['right_end_pos']['#text'])
elif 'pos_rend' in point:
right_end_pos = safe_int(point['pos_rend']['#text'])
drs_track_point = DRSTrackPoint(
tick=safe_int(point.get('tick', {}).get('#text')),
left_pos=left_pos,
right_pos=right_pos,
left_end_pos=left_end_pos,
right_end_pos=right_end_pos,
point_time=safe_int(
point.get('point_time', {}).get('#text'),
),
)
track_points.append(drs_track_point)
return cls(
DRSTrackStepTickInfo(
start_tick=int(
data['start_tick']['#text'],
) if has_start_tick else None,
end_tick=int(
data['end_tick']['#text'],
) if has_end_tick else None,
stime_ms=int(
data['stime_ms']['#text'],
) if has_stime_ms else None,
etime_ms=int(
data['etime_ms']['#text'],
) if has_etime_ms else None,
stime_dt=int(
data['stime_dt']['#text'],
) if has_stime_dt else None,
etime_dt=int(
data['etime_dt']['#text'],
) if has_etime_dt else None,
),
int(data['kind']['#text']),
DRSTrackStepPositionInfo(
left_pos=main_left_pos,
right_pos=main_right_pos,
),
DRSTrackStepPlayerInfo(int(data['player_id']['#text'])),
track_points,
)
@classmethod
def from_json_dict(cls, data: dict):
track_points = []
for point in data['long_point']:
if 'left_pos' in point:
left_pos = safe_int(point['left_pos'])
elif 'pos_left' in point:
left_pos = safe_int(point['pos_left'])
if 'right_pos' in point:
right_pos = safe_int(point['right_pos'])
elif 'pos_right' in point:
right_pos = safe_int(point['pos_right'])
track_point = DRSTrackPoint(
tick=safe_int(point['tick']),
left_pos=left_pos,
right_pos=right_pos,
left_end_pos=int(point['left_end_pos']) if point.get(
'left_end_pos',
) is not None else None,
right_end_pos=int(point['right_end_pos']) if point.get(
'right_end_pos',
) is not None else None,
point_time=safe_int(point['point_time']),
)
track_points.append(track_point)
return cls(
DRSTrackStepTickInfo(
start_tick=int(data['tick_info']['start_tick']) if data['tick_info'].get(
'start_tick',
) is not None else None,
end_tick=int(data['tick_info']['end_tick']) if data['tick_info'].get(
'end_tick',
) is not None else None,
stime_ms=int(data['tick_info']['stime_ms']) if data['tick_info'].get(
'stime_ms',
) is not None else None,
etime_ms=int(data['tick_info']['etime_ms']) if data['tick_info'].get(
'etime_ms',
) is not None else None,
stime_dt=int(data['tick_info']['stime_dt']) if data['tick_info'].get(
'stime_dt',
) is not None else None,
etime_dt=int(data['tick_info']['etime_dt']) if data['tick_info'].get(
'etime_dt',
) is not None else None,
),
int(data['kind']),
DRSTrackStepPositionInfo(
int(data['position_info']['left_pos']),
int(data['position_info']['right_pos']),
),
DRSTrackStepPlayerInfo(int(data['player_info']['player_id'])),
track_points,
)
@dataclass
class DRSClip:
start_time: int
end_time: int
@classmethod
def from_xml_dict(cls, data: dict):
start_time = None
if 'start_time' in data:
start_time = int(data['start_time']['#text'])
elif 'stime_ms' in data:
start_time = int(data['stime_ms']['#text'])
end_time = None
if 'end_time' in data:
end_time = int(data['end_time']['#text'])
elif 'etime_ms' in data:
end_time = int(data['etime_ms']['#text'])
return cls(start_time, end_time)
@classmethod
def from_json_dict(cls, data: dict):
return cls(
int(data['start_time']),
int(data['end_time']),
)
@dataclass
class DRSTrack:
seq_version: int
info: DRSTrackInfo
sequence_data: list[DRSTrackStep] = field(default_factory=list)
clip: DRSClip = None
@classmethod
def from_xml_dict(cls, data: dict):
data = data['data']
# not really representing the data properly, but we need this for timings on ver 9 songs (i think)
clip = None
if 'rec_data' in data and data['rec_data'] and type(data['rec_data']['clip']) is not list:
clip = DRSClip.from_xml_dict(data['rec_data']['clip'])
return cls(
int(data['seq_version']['#text']),
DRSTrackInfo.from_xml_dict(data['info']),
[
DRSTrackStep.from_xml_dict(step)
for step in data['sequence_data']['step']
],
clip,
)
@classmethod
def from_xml(cls, path: str):
data = open(path, encoding='utf-8').read()
return cls.from_xml_dict(xmltodict.parse(data))
@classmethod
def from_json_dict(cls, data: dict):
return cls(
int(data['seq_version']),
DRSTrackInfo.from_json_dict(data['info']),
[
DRSTrackStep.from_json_dict(step)
for step in data['sequence_data']
],
clip=DRSClip.from_json_dict(data['clip']) if data.get(
'clip',
) is not None else None,
)
def safe_int(value):
try:
return int(value)
except (ValueError, TypeError):
return None