mirror of
https://github.com/TriM-Organization/Musicreater.git
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117 lines
3.7 KiB
Python
117 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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"""
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存放有关红石音乐生成操作的内容
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"""
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"""
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版权所有 © 2023 音·创 开发者
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Copyright © 2023 all the developers of Musicreater
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开源相关声明请见 仓库根目录下的 License.md
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Terms & Conditions: License.md in the root directory
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"""
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# 睿穆组织 开发交流群 861684859
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# Email TriM-Organization@hotmail.com
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# 若需转载或借鉴 许可声明请查看仓库目录下的 License.md
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from ..exceptions import NotDefineProgramError, ZeroSpeedError
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from ..main import MidiConvert
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from ..subclass import SingleCommand
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# 你以为写完了吗？其实并没有
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def to_note_list(
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midi_cvt: MidiConvert,
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speed: float = 1.0,
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) -> list:
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"""
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使用金羿的转换思路，将midi转换为我的世界音符盒所用的音高列表，并输出每个音符之后的延迟
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Parameters
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----------
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speed: float
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速度，注意：这里的速度指的是播放倍率，其原理为在播放音频的时候，每个音符的播放时间除以 speed
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Returns
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-------
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tuple( list[tuple(str指令, int距离上一个指令的延迟 ),...], int音乐时长游戏刻 )
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"""
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if speed == 0:
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raise ZeroSpeedError("播放速度仅可为正实数")
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midi_channels = (
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midi_cvt.to_music_channels() if not midi_cvt.channels else midi_cvt.channels
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)
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tracks = {}
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# 此处 我们把通道视为音轨
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for i in midi_channels.keys():
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# 如果当前通道为空 则跳过
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if not midi_channels[i]:
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continue
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# 第十通道是打击乐通道
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SpecialBits = True if i == 9 else False
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# nowChannel = []
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for track_no, track in midi_channels[i].items():
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for msg in track:
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if msg[0] == "PgmC":
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InstID = msg[1]
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elif msg[0] == "NoteS":
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try:
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soundID, _X = (
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midi_cvt.perc_inst_to_soundID_withX(InstID)
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if SpecialBits
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else midi_cvt.inst_to_souldID_withX(InstID)
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)
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except UnboundLocalError as E:
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soundID, _X = (
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midi_cvt.perc_inst_to_soundID_withX(-1)
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if SpecialBits
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else midi_cvt.inst_to_souldID_withX(-1)
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)
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score_now = round(msg[-1] / float(speed) / 50)
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# print(score_now)
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try:
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tracks[score_now].append(
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self.execute_cmd_head.format(player)
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+ f"playsound {soundID} @s ^ ^ ^{1 / MaxVolume - 1} {msg[2] / 128} "
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f"{2 ** ((msg[1] - 60 - _X) / 12)}"
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)
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except KeyError:
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tracks[score_now] = [
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self.execute_cmd_head.format(player)
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+ f"playsound {soundID} @s ^ ^ ^{1 / MaxVolume - 1} {msg[2] / 128} "
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f"{2 ** ((msg[1] - 60 - _X) / 12)}"
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]
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all_ticks = list(tracks.keys())
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all_ticks.sort()
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results = []
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for i in range(len(all_ticks)):
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for j in range(len(tracks[all_ticks[i]])):
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results.append(
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(
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tracks[all_ticks[i]][j],
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(
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0
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if j != 0
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else (
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all_ticks[i] - all_ticks[i - 1] if i != 0 else all_ticks[i]
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)
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),
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)
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)
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return [results, max(all_ticks)]
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