Taiko_Stuff/tja2fumen
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parsers.py: Add support for drumrolls/balloons

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Viv 2023-06-02 16:33:48 -04:00
parent 235448b4ab
commit 62e4be1b81
1 changed files with 33 additions and 3 deletions
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36
tja2fumen/converters.py
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@ -100,6 +100,7 @@ def convertTJAToFumen(fumen, tja):
# Hardcode currentBranch due to current lack of support for branching songs
currentBranch = 'normal' # TODO: Program in branch support
tja['measures'] = preprocessTJAMeasures(tja)
currentDrumroll = None
# Parse TJA measures to create converted TJA -> Fumen file
tjaConverted = {'measures': []}
@ -145,13 +146,35 @@ def convertTJAToFumen(fumen, tja):
note_counter = 0
for idx_d, data in enumerate(measureTJA['data']):
if data['type'] == 'note':
note = deepcopy(default_note)
# Note positions must be calculated using the base measure duration (that uses a single BPM value)
# (In other words, note positions do not take into account any mid-measure BPM change adjustments.)
note['pos'] = measureDurationBase * (data['pos'] - measureTJA['pos_start']) / measureLength
note['type'] = data['value'] # TODO: Handle BALLOON/DRUMROLL
note_pos = measureDurationBase * (data['pos'] - measureTJA['pos_start']) / measureLength
# The duration of the current drumroll is the position of the drumroll-end note.
if data['value'] == "EndDRB":
currentDrumroll['duration'] += note_pos
# 1182, 1385, 1588, 2469, 1568, 752, 1568
currentDrumroll['duration'] = float(int(currentDrumroll['duration']))
currentDrumroll = None
continue
# The TJA spec technically allows you to place double-Kusudama notes:
# "Use another 9 to specify when to lower the points for clearing."
# But this is unsupported in fumens, so just skip the second Kusudama note.
if data['value'] == "Kusudama" and currentDrumroll:
continue
# Handle the remaining non-EndDRB, non-double Kusudama notes
note = deepcopy(default_note)
note['pos'] = note_pos
note['type'] = data['value']
note['scoreInit'] = tja['scoreInit'] # Probably not fully accurate
note['scoreDiff'] = tja['scoreDiff'] # Probably not fully accurate
# Handle drumroll/balloon-specific metadata
if note['type'] in ["Balloon", "Kusudama"]:
note['hits'] = tja['metadata']['balloon'].pop(0)
note['hitsPadding'] = 0
currentDrumroll = note
if note['type'] in ["Drumroll", "DRUMROLL"]:
note['drumrollBytes'] = b'\x00\x00\x00\x00\x00\x00\x00\x00'
currentDrumroll = note
measureFumen[currentBranch][note_counter] = note
note_counter += 1
measureFumen[currentBranch]['length'] = note_counter
@ -162,6 +185,13 @@ def convertTJAToFumen(fumen, tja):
# Append the measure to the tja's list of measures
tjaConverted['measures'].append(measureFumen)
# If drumroll hasn't ended by the end of this measure, increase duration by measure timing
if currentDrumroll:
if currentDrumroll['duration'] == 0.0:
currentDrumroll['duration'] += (measureDurationBase - currentDrumroll['pos'])
else:
currentDrumroll['duration'] += measureDurationBase
tjaConverted['headerUnknown'] = b"".join(i.to_bytes(1, 'little') for i in unknownHeaderSample)
tjaConverted['order'] = '<'
tjaConverted['length'] = len(tjaConverted['measures'])