HeavenStudioPlus/Assets/Scripts/Conductor.cs

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Starpelly;
// I CANNOT STRESS THIS ENOUGH, SET "Project Settings/Audio/DSP Buffer Size" to "Best latency" or else AudioSource.time WILL NOT update every frame.
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namespace RhythmHeavenMania
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{
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[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;
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//The number of seconds for each song beat
public float secPerBeat;
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//Current song position, in seconds
public float songPosition;
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//Current song position, in beats
public float songPositionInBeats;
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//How many seconds have passed since the song started
public float dspSongTime;
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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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//the number of beats in each loop
public float beatsPerLoop;
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//the total number of loops completed since the looping clip first started
public int completedLoops = 0;
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//The current position of the song within the loop in beats.
public float loopPositionInBeats;
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//The current relative position of the song within the loop measured between 0 and 1.
public float loopPositionInAnalog;
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//Conductor instance
public static Conductor instance;
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//Pause times
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// private int pauseTime = 0;
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public float beatThreshold;
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void Awake()
{
instance = this;
}
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void Start()
{
//Load the AudioSource attached to the Conductor GameObject
musicSource = GetComponent<AudioSource>();
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//Calculate the number of seconds in each beat
secPerBeat = 60f / songBpm;
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//Record the time when the music starts
dspSongTime = (float)musicSource.time;
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//Start the music
// musicSource.Play();
}
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public void Update()
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{
// Conductor.instance.musicSource.pitch = Time.timeScale;
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/*if (Input.GetKeyDown(KeyCode.Space))
{
pauseTime++;
if (pauseTime == 1)
musicSource.Pause();
else if (pauseTime > 1) { musicSource.UnPause(); pauseTime = 0; }
}*/
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//determine how many seconds since the song started
songPosition = (float)(musicSource.time - dspSongTime - firstBeatOffset);
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//determine how many beats since the song started
songPositionInBeats = songPosition / secPerBeat;
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//calculate the loop position
if (songPositionInBeats >= (completedLoops + 1) * beatsPerLoop)
completedLoops++;
loopPositionInBeats = songPositionInBeats - completedLoops * beatsPerLoop;
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loopPositionInAnalog = loopPositionInBeats / beatsPerLoop;
}
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public float GetLoopPositionFromBeat(float startBeat, float length)
{
float a = Mathp.Normalize(songPositionInBeats, startBeat, startBeat + length);
return a;
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}
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public void SetBpm(float bpm)
{
this.songBpm = bpm;
secPerBeat = 60f / songBpm;
}
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public bool InThreshold(float beat)
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{
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//Check if the beat sent falls within beatThreshold
//Written to handle the looping
if (beat <= beatThreshold + 1)
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{
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//Debug.Log("Case 1, beat is close to 1");
if (loopPositionInBeats > beat + beatThreshold)
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{
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if (loopPositionInBeats >= (beat + songPositionInBeats - 1) + beatThreshold)
{
//Debug.Log("LoopPos just below loop point");
return true;
}
else
{
//Debug.Log("LoopPos not within beat threshold");
}
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}
else
{
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//Debug.Log("Case 1, loopPos between loop point and beat threshold");
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}
}
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else if (beat < (songPositionInBeats + 1 - beatThreshold))
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{
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//Debug.Log("Case 2, beat is far from loop point.");
if (loopPositionInBeats >= beat - beatThreshold && loopPositionInBeats <= beat + beatThreshold)
{
//Debug.Log("LoopPos within threshold");
return true;
}
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}
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else if (beat >= (songPositionInBeats + 1 - beatThreshold))
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{
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//Debug.Log("Case 3, beat is close to loop point");
if (loopPositionInBeats < beat)
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{
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if (loopPositionInBeats >= beat - beatThreshold)
{
//Debug.Log("LoopPos just below beat");
return true;
}
else if (loopPositionInBeats < (beat - songPositionInBeats + 1) - beatThreshold)
{
//Debug.Log("LoopPos just above loop point");
return true;
}
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}
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else
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{
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//Debug.Log("LoopPos just above beat");
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return true;
}
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}
else
{
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Debug.LogError("Strange Case. Where is this beat? This should never happen");
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}
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return false;
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}
}
}