HeavenStudioPlus/Assets/Scripts/Conductor.cs

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Audio;
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using Starpelly;
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namespace RhythmHeavenMania
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{
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// [RequireComponent(typeof(AudioSource))]
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public class Conductor : MonoBehaviour
{
// Song beats per minute
// This is determined by the song you're trying to sync up to
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public float songBpm;
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// The number of seconds for each song beat
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public float secPerBeat;
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// Current song position, in seconds
private float songPos; // for Conductor use only
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public float songPosition;
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// Current song position, in beats
private float songPosBeat; // for Conductor use only
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public float songPositionInBeats;
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// Current time of the song
private float time;
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// an AudioSource attached to this GameObject that will play the music.
public AudioSource musicSource;
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// The offset to the first beat of the song in seconds
public float firstBeatOffset;
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// Conductor instance
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public static Conductor instance;
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// Conductor is currently playing song
public bool isPlaying;
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// Conductor is currently paused, but not fully stopped
public bool isPaused;
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// Last reported beat based on song position
private float lastReportedBeat = 0f;
// Metronome tick sound enabled
public bool metronome = false;
public float timeSinceLastTempoChange = 0;
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private bool beat;
// private AudioDspTimeKeeper timeKeeper;
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void Awake()
{
instance = this;
}
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public void SetBeat(float beat)
{
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float secFromBeat = GetSongPosFromBeat(beat);
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if (musicSource.clip != null)
{
if (secFromBeat < musicSource.clip.length)
musicSource.time = secFromBeat;
else
musicSource.time = 0;
}
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GameManager.instance.SetCurrentEventToClosest(beat);
songPosBeat = beat;
songPositionInBeats = songPosBeat;
}
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public void Play(float beat)
{
bool negativeOffset = firstBeatOffset < 0f;
bool negativeStartTime = false;
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var startPos = GetSongPosFromBeat(beat);
if (negativeOffset)
{
time = startPos;
}
else
{
negativeStartTime = startPos - firstBeatOffset < 0f;
if (negativeStartTime)
time = startPos - firstBeatOffset;
else
time = startPos;
}
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songPosBeat = time / secPerBeat;
isPlaying = true;
isPaused = false;
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if (SongPosLessThanClipLength(startPos))
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{
if (negativeOffset)
{
var musicStartTime = startPos + firstBeatOffset;
if (musicStartTime < 0f)
{
musicSource.time = startPos;
musicSource.PlayScheduled(AudioSettings.dspTime - firstBeatOffset / musicSource.pitch);
}
else
{
musicSource.time = musicStartTime;
musicSource.PlayScheduled(AudioSettings.dspTime);
}
}
else
{
if (negativeStartTime)
{
musicSource.time = startPos;
}
else
{
musicSource.time = startPos + firstBeatOffset;
}
musicSource.PlayScheduled(AudioSettings.dspTime);
}
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}
// GameManager.instance.SetCurrentEventToClosest(songPositionInBeats);
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}
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public void Pause()
{
isPlaying = false;
isPaused = true;
musicSource.Pause();
}
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public void Stop(float time)
{
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this.time = time;
songPosBeat = 0;
songPositionInBeats = 0;
isPlaying = false;
isPaused = false;
musicSource.Stop();
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}
float test;
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public void Update()
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{
secPerBeat = 60f / songBpm;
if (isPlaying)
{
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var dt = Time.unscaledDeltaTime * musicSource.pitch;
time += dt;
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songPos = time;
songPosition = songPos;
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songPosBeat += (dt / secPerBeat);
songPositionInBeats = songPosBeat;
// songPositionInBeats = Time.deltaTime / secPerBeat;
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if (metronome)
{
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if (ReportBeat(ref lastReportedBeat))
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{
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Util.Jukebox.PlayOneShot("metronome");
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}
else if (songPosition <= lastReportedBeat)
{
lastReportedBeat = (songPosition - (songPosition % secPerBeat));
}
}
}
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}
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public bool ReportBeat(ref float lastReportedBeat, float offset = 0, bool shiftBeatToOffset = false)
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{
bool result = songPosition > (lastReportedBeat + offset) + secPerBeat;
if (result == true)
{
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lastReportedBeat = (songPosition - (songPosition % secPerBeat));
if (!shiftBeatToOffset)
lastReportedBeat += offset;
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}
return result;
}
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public float GetLoopPositionFromBeat(float beatOffset, float length)
{
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return Mathf.Repeat((songPositionInBeats / length) + beatOffset, 1);
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}
public float GetPositionFromBeat(float startBeat, float length)
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{
float a = Mathp.Normalize(songPositionInBeats, startBeat, startBeat + length);
return a;
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}
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public float GetBeatFromPosition(float position, float startBeat, float length)
{
return Mathp.DeNormalize(position, startBeat, startBeat + length);
}
public float GetPositionFromMargin(float targetBeat, float margin)
{
return GetPositionFromBeat(targetBeat - margin, margin);
}
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public float GetBeatFromPositionAndMargin(float position, float targetBeat, float margin)
{
return GetBeatFromPosition(position, targetBeat - margin, margin);
}
public float GetSongPosFromBeat(float beat)
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{
return secPerBeat * beat;
}
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public void SetBpm(float bpm)
{
this.songBpm = bpm;
secPerBeat = 60f / songBpm;
}
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public float SongLengthInBeats()
{
if (!musicSource.clip) return 0;
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return musicSource.clip.length / secPerBeat;
}
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public bool SongPosLessThanClipLength(float t)
{
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if (musicSource.clip != null)
return t < musicSource.clip.length;
else
return false;
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}
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public bool NotStopped()
{
return Conductor.instance.isPlaying == true || Conductor.instance.isPaused == true;
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}
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}
}