57 lines
1.7 KiB
GDScript3
57 lines
1.7 KiB
GDScript3
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extends 'res://scripts/loaders/snes/music.gd'
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# In real OOP these would be static or static const, but GDScript doesn't allow that
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func _init() -> void:
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# Durations are in pulses, 48 = 1 quarter note (crotchet)
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self.NOTE_DURATIONS = PoolByteArray([192, 144, 96, 64, 72, 48, 32, 36, 24, 16, 12, 8, 6, 4, 3]) # See ROM 0x041D7E to 0x041D8C
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self.REFERENCE_NOTE = 71
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self.EVENT_MAP = {
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0xD2: EventType.VOLUME,
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0xD3: EventType.VOLUME_SLIDE,
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0xD4: EventType.PAN,
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0xD5: EventType.PAN_SLIDE,
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0xD6: EventType.PITCH_SLIDE,
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0xD7: EventType.VIBRATO_ON,
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0xD8: EventType.VIBRATO_OFF,
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0xD9: EventType.TREMOLO_ON,
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0xDA: EventType.TREMOLO_OFF,
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0xDB: EventType.PAN_LFO_ON,
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0xDC: EventType.PAN_LFO_OFF,
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0xDD: EventType.NOISE_FREQ,
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0xDE: EventType.NOISE_ON,
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0xDF: EventType.NOISE_OFF,
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0xE0: EventType.PITCHMOD_ON,
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0xE1: EventType.PITCHMOD_OFF,
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0xE2: EventType.ECHO_ON,
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0xE3: EventType.ECHO_OFF,
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0xE4: EventType.OCTAVE,
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0xE5: EventType.OCTAVE_UP,
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0xE6: EventType.OCTAVE_DOWN,
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0xE7: EventType.TRANSPOSE_ABS,
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0xE8: EventType.TRANSPOSE_REL,
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0xE9: EventType.TUNING,
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0xEA: EventType.PROGCHANGE,
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0xEB: EventType.ADSR_ATTACK,
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0xEC: EventType.ADSR_DECAY,
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0xED: EventType.ADSR_SUSTAIN,
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0xEE: EventType.ADSR_RELEASE,
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0xEF: EventType.ADSR_DEFAULT,
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0xF0: EventType.LOOP_START,
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0xF1: EventType.LOOP_END,
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0xF2: EventType.END,
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0xF3: EventType.TEMPO,
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0xF4: EventType.TEMPO_SLIDE,
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0xF5: EventType.ECHO_VOLUME,
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0xF6: EventType.ECHO_VOLUME_SLIDE,
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0xF7: EventType.ECHO_FEEDBACK_FIR,
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0xF8: EventType.MASTER_VOLUME,
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0xF9: EventType.LOOP_BREAK,
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0xFA: EventType.GOTO,
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0xFB: EventType.CPU_CONTROLLED_JUMP,
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0xFC: EventType.END,
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0xFD: EventType.END,
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0xFE: EventType.END,
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0xFF: EventType.END,
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}
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