mirror of
https://github.com/Yonokid/PyTaiko.git
synced 2026-02-04 11:40:13 +01:00
311 lines
12 KiB
Python
311 lines
12 KiB
Python
import hashlib
|
|
import math
|
|
from pathlib import Path
|
|
|
|
from libs.parsers.tja import CourseData, Note, NoteType, Drumroll, Balloon, NoteList, TJAEXData, TJAMetadata, TimelineObject
|
|
|
|
import re
|
|
|
|
class OsuParser:
|
|
general: dict[str, str]
|
|
editor: dict[str, str]
|
|
osu_metadata: dict[str, str]
|
|
difficulty: dict[str, str]
|
|
events: list[list[float]]
|
|
timing_points: list[list[float]]
|
|
hit_objects: list[list[float]]
|
|
|
|
bpm: list[float]
|
|
|
|
def __init__(self, osu_file: Path):
|
|
self.general = self.read_osu_data_dict(osu_file, target_header="General")
|
|
self.editor = self.read_osu_data_dict(osu_file, target_header="Editor")
|
|
self.osu_metadata = self.read_osu_data_dict(osu_file, target_header="Metadata")
|
|
self.difficulty = self.read_osu_data_dict(osu_file, target_header="Difficulty")
|
|
self.events = self.read_osu_data_list(osu_file, target_header="Events")
|
|
self.timing_points = self.read_osu_data_list(osu_file, target_header="TimingPoints")
|
|
#self.general = self.read_osu_data(osu_file, target_header="Colours", is_dict=True)
|
|
self.hit_objects = self.read_osu_data_list(osu_file, target_header="HitObjects")
|
|
self.slider_multiplier = float(self.difficulty["SliderMultiplier"])
|
|
self.metadata = TJAMetadata()
|
|
self.metadata.wave = osu_file.parent / self.general["AudioFilename"]
|
|
self.metadata.demostart = float(self.general["PreviewTime"]) / 1000
|
|
self.metadata.offset = -30/1000
|
|
self.metadata.title["en"] = self.osu_metadata["Version"]
|
|
self.metadata.subtitle["en"] = self.osu_metadata["Creator"]
|
|
match = re.search(r'\[Events\][\s\S]*?^[ \t]*(\d+),(\d+),"([^"]+)"', osu_file.read_text(), re.MULTILINE)
|
|
if match:
|
|
self.metadata.bgmovie = osu_file.parent / Path(match.group(3))
|
|
self.metadata.course_data[0] = CourseData()
|
|
self.ex_data = TJAEXData()
|
|
self.bpm = []
|
|
for points in self.timing_points:
|
|
self.bpm.append(math.floor(1 / points[1] * 1000 * 60))
|
|
self.osu_NoteList = self.note_data_to_NoteList(self.hit_objects)
|
|
for points in self.timing_points:
|
|
if points[1] > 0:
|
|
obj = TimelineObject()
|
|
obj.hit_ms = points[0]
|
|
obj.bpm = math.floor(1 / points[1] * 1000 * 60)
|
|
self.osu_NoteList[0].timeline.append(obj)
|
|
|
|
def read_osu_data_list(self, file_path: Path, target_header="HitObjects") -> list[list[float]]:
|
|
data = []
|
|
current_header = None
|
|
|
|
with file_path.open(mode='r', encoding='utf-8') as f:
|
|
|
|
for line in f:
|
|
line = line.rstrip("\n")
|
|
|
|
if re.match(r"\[\w*\]", line): # header pattern
|
|
current_header = line[1:-1]
|
|
|
|
if current_header == target_header:
|
|
|
|
if re.match(r"[-+]?\d*\.?\d+" , line): # Events, TimingPoints, HitObjects
|
|
string_array = re.findall(r"[-+]?\d*\.?\d+" , line) # search for floats
|
|
int_array = [float(num_str) for num_str in string_array]
|
|
data.append(int_array)
|
|
|
|
else:
|
|
continue
|
|
|
|
return data
|
|
|
|
def read_osu_data_dict(self, file_path: Path, target_header="HitObjects") -> dict[str, str]:
|
|
data = dict()
|
|
current_header = None
|
|
|
|
with file_path.open(mode='r', encoding='utf-8') as f:
|
|
|
|
for line in f:
|
|
line = line.rstrip("\n")
|
|
|
|
if re.match(r"\[\w*\]", line): # header pattern
|
|
current_header = line[1:-1]
|
|
|
|
if current_header == target_header:
|
|
if ':' in line and not line.startswith('['):
|
|
key, value = line.split(':', 1)
|
|
data[key.strip()] = value.strip()
|
|
|
|
else:
|
|
continue
|
|
|
|
return data
|
|
|
|
def get_scroll_multiplier(self, ms: float) -> float:
|
|
base_scroll = (1.0 if 1.37 <= self.slider_multiplier <= 1.47
|
|
else self.slider_multiplier / 1.40)
|
|
current_scroll = 1.0
|
|
|
|
for tp in self.timing_points:
|
|
time = tp[0]
|
|
beat_length = tp[1] # positive for BPM, negative for scroll
|
|
|
|
if time > ms:
|
|
break
|
|
|
|
if beat_length < 0: # This is an inherited (green) timing point
|
|
current_scroll = -100.0 / beat_length
|
|
|
|
return current_scroll * base_scroll
|
|
|
|
def note_data_to_NoteList(self, note_data) -> tuple[NoteList, list[NoteList], list[NoteList], list[NoteList]]:
|
|
osu_NoteList = NoteList()
|
|
counter = 0
|
|
|
|
for line in note_data:
|
|
note_time = line[2]
|
|
scroll = self.get_scroll_multiplier(note_time)
|
|
|
|
if (line[3] == 1 or line[3] == 4 or line[3] == 5 or line[3] == 6) and line[4] == 0: # DON
|
|
don = Note()
|
|
don.type = NoteType(1)
|
|
don.hit_ms = line[2]
|
|
don.bpm = self.bpm[0]
|
|
don.scroll_x = scroll
|
|
don.scroll_y = 0
|
|
don.display = True
|
|
don.index = counter
|
|
counter = counter + 1
|
|
don.moji = 0
|
|
|
|
osu_NoteList.play_notes.append(don)
|
|
|
|
if (line[3] == 1 or line[3] == 4 or line[3] == 5 or line[3] == 6) and (line[4] == 2 or line[4] == 8): # KAT
|
|
kat = Note()
|
|
kat.type = NoteType(2)
|
|
kat.hit_ms = line[2]
|
|
kat.bpm = self.bpm[0]
|
|
kat.scroll_x = scroll
|
|
kat.scroll_y = 0
|
|
kat.display = True
|
|
kat.index = counter
|
|
counter = counter + 1
|
|
kat.moji = 1
|
|
|
|
osu_NoteList.play_notes.append(kat)
|
|
|
|
if (line[3] == 1 or line[3] == 4 or line[3] == 5 or line[3] == 6) and line[4] == 4: # L-DON
|
|
don = Note()
|
|
don.type = NoteType(3)
|
|
don.hit_ms = line[2]
|
|
don.bpm = self.bpm[0]
|
|
don.scroll_x = scroll
|
|
don.scroll_y = 0
|
|
don.display = True
|
|
don.index = counter
|
|
counter = counter + 1
|
|
don.moji = 0
|
|
|
|
osu_NoteList.play_notes.append(don)
|
|
|
|
if (line[3] == 1 or line[3] == 4 or line[3] == 5 or line[3] == 6) and (line[4] == 6 or line[4] == 12): # L-KAT
|
|
kat = Note()
|
|
kat.type = NoteType(4)
|
|
kat.hit_ms = line[2]
|
|
kat.bpm = self.bpm[0]
|
|
kat.scroll_x = scroll
|
|
kat.scroll_y = 0
|
|
kat.display = True
|
|
kat.index = counter
|
|
counter = counter + 1
|
|
kat.moji = 1
|
|
|
|
osu_NoteList.play_notes.append(kat)
|
|
|
|
if (line[3] == 2) and (line[4] == 0): # Drum Roll
|
|
if len(line) >= 9:
|
|
slider_time = line[8] / (float(self.difficulty["SliderMultiplier"]) * 100) * self.timing_points[0][1]
|
|
else:
|
|
slider_time = line[6] / (float(self.difficulty["SliderMultiplier"]) * 100) * self.timing_points[0][1]
|
|
|
|
source = Note()
|
|
source.type = NoteType(8)
|
|
source.hit_ms = line[2] + slider_time
|
|
source.bpm = self.bpm[0]
|
|
source.scroll_x = scroll
|
|
source.scroll_y = 0
|
|
source.display = True
|
|
# this is where the index would be if it wasn't a tail note
|
|
source.moji = 0
|
|
|
|
slider = Drumroll(source)
|
|
slider.color = 255
|
|
slider.type = NoteType(5)
|
|
slider.hit_ms = line[2]
|
|
slider.bpm = self.bpm[0]
|
|
slider.scroll_x = scroll
|
|
slider.scroll_y = 0
|
|
slider.display = True
|
|
slider.index = counter
|
|
counter = counter + 1
|
|
|
|
source.index = counter
|
|
counter = counter + 1
|
|
|
|
osu_NoteList.play_notes.append(slider)
|
|
osu_NoteList.play_notes.append(source)
|
|
|
|
if (line[3] == 2) and (line[4] == 4): # L-Drum Roll
|
|
if len(line) >= 9:
|
|
slider_time = line[8] / (float(self.difficulty["SliderMultiplier"]) * 100) * self.timing_points[0][1]
|
|
else:
|
|
slider_time = line[6] / (float(self.difficulty["SliderMultiplier"]) * 100) * self.timing_points[0][1]
|
|
|
|
source = Note()
|
|
source.type = NoteType(8)
|
|
source.hit_ms = line[2] + slider_time
|
|
source.bpm = self.bpm[0]
|
|
source.scroll_x = scroll
|
|
source.scroll_y = 0
|
|
source.display = True
|
|
# this is where the index would be if it wasn't a tail note
|
|
source.moji = 0
|
|
|
|
slider = Drumroll(source)
|
|
slider.color = 255
|
|
slider.type = NoteType(6)
|
|
slider.hit_ms = line[2]
|
|
slider.bpm = self.bpm[0]
|
|
slider.scroll_x = scroll
|
|
slider.scroll_y = 0
|
|
slider.display = True
|
|
slider.index = counter
|
|
counter = counter + 1
|
|
|
|
source.index = counter
|
|
counter = counter + 1
|
|
|
|
osu_NoteList.play_notes.append(slider)
|
|
osu_NoteList.play_notes.append(source)
|
|
|
|
if (line[3] == 8): # Balloon
|
|
source = Note()
|
|
source.type = NoteType(8)
|
|
source.hit_ms = line[5]
|
|
source.bpm = self.bpm[0]
|
|
source.scroll_x = scroll
|
|
source.scroll_y = 0
|
|
source.display = True
|
|
#source.index = counter
|
|
#counter = counter + 1
|
|
source.moji = 0
|
|
|
|
balloon = Balloon(source)
|
|
balloon.type = NoteType(7)
|
|
balloon.hit_ms = line[2]
|
|
balloon.bpm = self.bpm[0]
|
|
balloon.scroll_x = scroll
|
|
balloon.scroll_y = 0
|
|
balloon.display = True
|
|
balloon.index = counter
|
|
counter = counter + 1
|
|
balloon.moji = 0
|
|
|
|
'''
|
|
od = int(self.difficulty["OverallDifficulty"])
|
|
# thank you https://github.com/IepIweidieng/osu2tja/blob/dev-iid/osu2tja/osu2tja.py
|
|
hit_multiplier = (5 - 2 * (5 - od) / 5 if od < 5
|
|
else 5 + 2.5 * (od - 5) / 5 if od > 5
|
|
else 5) * 1.65
|
|
'''
|
|
balloon.count = 20#int(max(1, (ret[-1][1] - ret[-2][1]) / 1000 * hit_multiplier))
|
|
# end of 'stolen' code
|
|
source.index = counter
|
|
counter = counter + 1
|
|
|
|
osu_NoteList.play_notes.append(balloon)
|
|
osu_NoteList.play_notes.append(source)
|
|
|
|
osu_NoteList.draw_notes = osu_NoteList.play_notes.copy()
|
|
|
|
return osu_NoteList, [], [], []
|
|
|
|
def notes_to_position(self, difficulty):
|
|
return self.osu_NoteList
|
|
|
|
def hash_note_data(self, notes: NoteList):
|
|
"""Hashes the note data for the given NoteList."""
|
|
n = hashlib.sha256()
|
|
list1 = notes.play_notes
|
|
list2 = notes.bars
|
|
merged: list[Note | Drumroll | Balloon] = []
|
|
i = 0
|
|
j = 0
|
|
while i < len(list1) and j < len(list2):
|
|
if list1[i] <= list2[j]:
|
|
merged.append(list1[i])
|
|
i += 1
|
|
else:
|
|
merged.append(list2[j])
|
|
j += 1
|
|
merged.extend(list1[i:])
|
|
merged.extend(list2[j:])
|
|
for item in merged:
|
|
n.update(item.get_hash().encode('utf-8'))
|
|
|
|
return n.hexdigest()
|