From 6cde168bf31005b79c07568f55edf0475ff1b4f5 Mon Sep 17 00:00:00 2001 From: EillesWan Date: Sun, 16 Oct 2022 21:19:14 +0800 Subject: [PATCH] =?UTF-8?q?=E5=AD=A6=E6=A0=A1=E7=9A=84=E6=9B=B4=E6=94=B9?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- example_convert_linear_mcpack.py | 18 ++-- msctPkgver/main.py | 173 +++++++++++++++---------------- 2 files changed, 92 insertions(+), 99 deletions(-) diff --git a/example_convert_linear_mcpack.py b/example_convert_linear_mcpack.py index 7f3202f..b709cd4 100644 --- a/example_convert_linear_mcpack.py +++ b/example_convert_linear_mcpack.py @@ -4,14 +4,16 @@ from msctPkgver.main import * convertion = midiConvert() -convertion.convert(input('请输入midi文件路径：'), input('请输入输出路径：')) -convertion.tomcpack( - 1, - bool(int(input('是否自动重置计分板(1|0)：'))), - bool(int(input('是否开启进度条(1|0)：'))), - input('请输入计分板名称：'), - float(input('请输入音量（0-1）：')), - float(input('请输入速度倍率：')), +convertion.convert(input("请输入midi文件路径："), input("请输入输出路径：")) +print( + convertion.tomcpack( + 3, + bool(int(input("是否自动重置计分板(1|0)："))), + bool(int(input("是否开启进度条(1|0)："))), + input("请输入计分板名称："), + float(input("请输入音量（0-1）：")), + float(input("请输入速度倍率：")), + ) ) # for the test diff --git a/msctPkgver/main.py b/msctPkgver/main.py index 472add4..bd0d35f 100644 --- a/msctPkgver/main.py +++ b/msctPkgver/main.py @@ -64,38 +64,27 @@ def makeZip(sourceDir, outFilename, compression=8, exceptFile=None): class SingleNote: - def __init__(self, inst: int, pitch: int, velocity, startTime, lastTime): - '''用于存储单个音符的类 + def __init__(self, instrument: int, pitch: int, velocity, startTime, lastTime): + """用于存储单个音符的类 :param inst 乐器编号 :param pitch 音符编号 :param velocity 力度/响度 :param startTime 开始之时(ms) 注：此处的时间是用从乐曲开始到当前的毫秒数 - :param lastTime 音符延续时间(ms)''' - self.inst = inst + :param lastTime 音符延续时间(ms)""" + self.instrument = instrument self.note = pitch self.velocity = velocity self.startTime = startTime self.lastTime = lastTime - @property - def inst(self): - return self.inst - - @property - def note(self): - return self.note - - @property - def velocity(self): - return self.velocity @property - def startTime(self): - return self.startTime - + def inst(self): + return self.instrument + @property - def lastTime(self): - return self.lastTime + def pitch(self): + return self.note def __str__(self): return f"Note(inst = {self.inst}, pitch = {self.note}, velocity = {self.velocity}, startTime = {self.startTime}, lastTime = {self.lastTime}, )" @@ -113,7 +102,7 @@ class SingleNote: } -''' +""" 学习笔记： tempo: microseconds per quarter note 毫秒每四分音符，换句话说就是一拍占多少毫秒 tick: midi帧 @@ -129,7 +118,7 @@ tempo * amount_of_beats => 毫秒数 tempo * tick / ticks_per_beat => 毫秒数 -''' +""" class midiConvert: @@ -523,7 +512,7 @@ class midiConvert: / ((self.midi.ticks_per_beat * float(speed)) * 50000) ) except NameError: - raise NotDefineTempoError('计算当前分数时出错 未定义参量 Tempo') + raise NotDefineTempoError("计算当前分数时出错 未定义参量 Tempo") maxscore = max(maxscore, nowscore) soundID, _X = self.__Inst2soundIDwithX(instrumentID) singleTrack.append( @@ -563,7 +552,6 @@ class midiConvert: # 一个midi中仅有16通道 我们通过通道来识别而不是音轨 channels = [[], [], [], [], [], [], [], [], [], [], [], [], [], [], [], []] - # 我们来用通道统计音乐信息 for i, track in enumerate(self.midi.tracks): @@ -575,8 +563,7 @@ class midiConvert: try: microseconds += msg.time * tempo / self.midi.ticks_per_beat except NameError: - raise NotDefineTempoError('计算当前分数时出错 未定义参量 Tempo') - + raise NotDefineTempoError("计算当前分数时出错 未定义参量 Tempo") if msg.is_meta: if msg.type == "set_tempo": @@ -597,20 +584,17 @@ class midiConvert: ("PgmC", msg.program, microseconds) ) - elif msg.type == 'note_on' and msg.velocity != 0: + elif msg.type == "note_on" and msg.velocity != 0: channels[msg.channel].append( ("NoteS", msg.note, msg.velocity, microseconds) ) - elif (msg.type == 'note_on' and msg.velocity == 0) or ( - msg.type == 'note_off' + elif (msg.type == "note_on" and msg.velocity == 0) or ( + msg.type == "note_off" ): - channels[msg.channel].append( - ("NoteE", msg.note, microseconds) - ) + channels[msg.channel].append(("NoteE", msg.note, microseconds)) - - '''整合后的音乐通道格式 + """整合后的音乐通道格式 每个通道包括若干消息元素其中逃不过这三种： 1 切换乐器消息 @@ -623,7 +607,7 @@ class midiConvert: 3 音符结束消息 - ("NoteS", 结束的音符ID, 距离演奏开始的毫秒)''' + ("NoteS", 结束的音符ID, 距离演奏开始的毫秒)""" tracks = [] cmdAmount = 0 @@ -635,7 +619,6 @@ class midiConvert: # 如果当前通道为空 则跳过 if not track: continue - if channels.index(track) == 0: CheckFirstChannel = True @@ -643,18 +626,17 @@ class midiConvert: CheckFirstChannel = False nowTrack = [] - - for msg in track: + for msg in track: if msg[0] == "PgmC": InstID = msg[1] - + elif msg[0] == "NoteS": soundID, _X = self.__Inst2soundIDwithX(InstID) - score_now = round(msg[-1]/ float(speed) / 50000) - maxScore = max(maxScore,score_now) + score_now = round(msg[-1] / float(speed) / 50000) + maxScore = max(maxScore, score_now) nowTrack.append( "execute @a[scores={" @@ -666,12 +648,16 @@ class midiConvert: ) cmdAmount += 1 - + tracks.append(nowTrack) return [tracks, cmdAmount, maxScore] # 这才是加了线性插值的算法 + # 此算法有巨大问题 + # 暂时无法使用 + # 已经经过验证 需要再次修改 + # 等一段时间后我来通知 def _toCmdList_m3( self, scoreboardname: str = "mscplay", @@ -679,7 +665,7 @@ class midiConvert: speed: float = 1.0, ) -> list: """ - 使用金羿的转换思路，将midi转换为我的世界命令列表，并使用线性插值算法优化音量，此处的插值是固定斜率的方法 + 使用金羿的转换思路，将midi转换为我的世界命令列表，并使用线性插值算法优化音量 :param scoreboardname: 我的世界的计分板名称 :param MaxVolume: 音量，注意：这里的音量范围为(0,1]，如果超出将被处理为正确值，其原理为在距离玩家 (1 / volume -1) 的地方播放音频 :param speed: 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 @@ -694,7 +680,6 @@ class midiConvert: # 一个midi中仅有16通道 我们通过通道来识别而不是音轨 channels = [[], [], [], [], [], [], [], [], [], [], [], [], [], [], [], []] - # 我们来用通道统计音乐信息 for i, track in enumerate(self.midi.tracks): @@ -706,8 +691,7 @@ class midiConvert: try: microseconds += msg.time * tempo / self.midi.ticks_per_beat except NameError: - raise NotDefineTempoError('计算当前分数时出错 未定义参量 Tempo') - + raise NotDefineTempoError("计算当前分数时出错 未定义参量 Tempo") if msg.is_meta: if msg.type == "set_tempo": @@ -728,20 +712,17 @@ class midiConvert: ("PgmC", msg.program, microseconds) ) - elif msg.type == 'note_on' and msg.velocity != 0: + elif msg.type == "note_on" and msg.velocity != 0: channels[msg.channel].append( ("NoteS", msg.note, msg.velocity, microseconds) ) - elif (msg.type == 'note_on' and msg.velocity == 0) or ( - msg.type == 'note_off' + elif (msg.type == "note_on" and msg.velocity == 0) or ( + msg.type == "note_off" ): - channels[msg.channel].append( - ("NoteE", msg.note, microseconds) - ) + channels[msg.channel].append(("NoteE", msg.note, microseconds)) - - '''整合后的音乐通道格式 + """整合后的音乐通道格式 每个通道包括若干消息元素其中逃不过这三种： 1 切换乐器消息 @@ -754,8 +735,7 @@ class midiConvert: 3 音符结束消息 - ("NoteS", 结束的音符ID, 距离演奏开始的毫秒)''' - + ("NoteS", 结束的音符ID, 距离演奏开始的毫秒)""" note_channels = [[], [], [], [], [], [], [], [], [], [], [], [], [], [], [], []] @@ -764,27 +744,34 @@ class midiConvert: # 如果当前通道为空 则跳过 noteMsgs = [] - + for msg in channels[i]: if msg[0] == "PgmC": InstID = msg[1] - + elif msg[0] == "NoteS": noteMsgs.append(msg[1:]) - + elif msg[0] == "NoteE": record_pop_ids = [] for j in range(len(noteMsgs)): if noteMsgs[j][0] == msg[1]: - note_channels[i].append(SingleNote(InstID, msg[1],noteMsgs[j][1],noteMsgs[j][2],msg[-1]-noteMsgs[j][2])) + note_channels[i].append( + SingleNote( + InstID, + msg[1], + noteMsgs[j][1], + noteMsgs[j][2], + msg[-1] - noteMsgs[j][2], + ) + ) record_pop_ids.append(j) for j in record_pop_ids: noteMsgs.pop(j) tracks = [] - - + cmdAmount = 0 maxScore = 0 CheckFirstChannel = False @@ -794,36 +781,37 @@ class midiConvert: # 如果当前通道为空 则跳过 if not track: continue - - if channels.index(track) == 0: + if note_channels.index(track) == 0: CheckFirstChannel = True else: CheckFirstChannel = False nowTrack = [] - + for note in track: - for i in range(note.lastTime / 500): - # 实在没时间写了 - # 用半秒做一个时间单位 - # 然后计算即可 - # 我找时间写完 + for i in range(int(note.lastTime / 500)): - soundID, _X = self.__Inst2soundIDwithX(InstID) - - score_now = round(msg.startTime+i*(msg.lastTime / 500)/ float(speed) / 50000) + # 应该是计算的时候出了点小问题 + # 我们应该用一个MC帧作为时间单位而不是半秒 - maxScore = max(maxScore,score_now) + soundID, _X = self.__Inst2soundIDwithX(InstID) + + score_now = round( + note.startTime + + i * (note.lastTime / 500) / float(speed) / 50000 + ) + + maxScore = max(maxScore, score_now) nowTrack.append( - "execute @a[scores={" - + str(scoreboardname) - + "=" - + str(score_now) - + "}" - + f"] ~ ~ ~ playsound {soundID} @s ~ ~{1 / (MaxVolume)*(1-i*500/msg.lastTime) - 1} ~ {msg[2] * (0.7 if CheckFirstChannel else 0.9)} {2 ** ((msg[1] - 60 - _X) / 12)}" + "execute @a[scores={" + + str(scoreboardname) + + "=" + + str(score_now) + + "}" + + f"] ~ ~ ~ playsound {soundID} @s ~ ~{1 / (MaxVolume)*(1-i*500/note.lastTime) - 1} ~ {note.velocity * (0.7 if CheckFirstChannel else 0.9)} {2 ** ((note.note - 60 - _X) / 12)}" ) cmdAmount += 1 @@ -831,8 +819,6 @@ class midiConvert: return [tracks, cmdAmount, maxScore] - - def _toCmdList_withDelay_m1( self, volume: float = 1.0, @@ -1029,11 +1015,12 @@ class midiConvert: :param speed: 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 :return 成功与否，成功返回(True,True)，失败返回(False,str失败原因) """ - try: - cmdlist, _a, maxscore = self.methods[method-1](scoreboardname, volume, speed) - except: - return (False, f"无法找到算法ID{method}对应的转换算法") - del _a + # try: + cmdlist, maxlen, maxscore = self.methods[method - 1]( + scoreboardname, volume, speed + ) + # except: + # return (False, f"无法找到算法ID{method}对应的转换算法") # 当文件f夹{self.outputPath}/temp/functions存在时清空其下所有项目，若其不存在则创建 if os.path.exists(f"{self.outputPath}/temp/functions/"): @@ -1142,6 +1129,8 @@ class midiConvert: shutil.rmtree(f"{self.outputPath}/temp/") + return (True, f"转换完成，总长度{maxlen}") + def toBDXfile( self, method: int = 1, @@ -1166,12 +1155,12 @@ class midiConvert: :return 成功与否，成功返回(True,未经过压缩的源,结构占用大小)，失败返回(False,str失败原因) """ try: - cmdlist, totalcount, maxScore = self.methods[method-1](scoreboardname, volume, speed) + cmdlist, totalcount, maxScore = self.methods[method - 1]( + scoreboardname, volume, speed + ) except: return (False, f"无法找到算法ID{method}对应的转换算法") - - if not os.path.exists(self.outputPath): os.makedirs(self.outputPath) @@ -1302,7 +1291,9 @@ class midiConvert: """ try: - cmdlist = self.methods_byDelay[method-1](volume, speed, player, progressbar) + cmdlist = self.methods_byDelay[method - 1]( + volume, speed, player, progressbar + ) except: return (False, f"无法找到算法ID{method}对应的转换算法")