HeavenStudio/Assets/Scripts/Conductor.cs
2022-02-28 23:38:38 -07:00

262 lines
7.4 KiB
C#

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