mirror of
https://github.com/GTA-ASM/SanAndreasUnity
synced 2024-12-18 00:13:07 +00:00
265 lines
7.7 KiB
C#
265 lines
7.7 KiB
C#
using System.Collections.Generic;
|
|
using UnityEngine;
|
|
using GTAAudioSharp;
|
|
using System.IO;
|
|
using SanAndreasUnity.Audio;
|
|
|
|
namespace SanAndreasUnity.Behaviours.Audio
|
|
{
|
|
|
|
public class AudioManager : MonoBehaviour
|
|
{
|
|
|
|
public static AudioManager Instance { get; private set; }
|
|
|
|
private static GTAAudioFiles s_gtaAudioFiles;
|
|
public static GTAAudioFiles AudioFiles { get { return s_gtaAudioFiles; } }
|
|
|
|
// private Dictionary<string, AudioClip> sfxAudioClips = new Dictionary<string, AudioClip>();
|
|
|
|
// private Dictionary<string, AudioClip> streamsAudioClips = new Dictionary<string, AudioClip>();
|
|
|
|
// private Dictionary<string, AudioStream> streamsAudioStreams = new Dictionary<string, AudioStream>();
|
|
|
|
public bool playStartupSound = true;
|
|
public float startupSoundTimeOffset = 0f;
|
|
static AudioSource s_startupAudioSource;
|
|
|
|
public const int kSfxSampleSize = 2;
|
|
|
|
// static AudioClip s_sfxGENRLClip;
|
|
// public static AudioClip SfxGENRLClip { get { return s_sfxGENRLClip; } }
|
|
|
|
// describes single sound inside sfx bank
|
|
public struct SfxBankAudioData
|
|
{
|
|
public int startTimeMs;
|
|
// public int lengthMs;
|
|
// public float lengthSeconds { get { return this.lengthMs / 1000f; } }
|
|
public int bitrateKbs; // kb/s
|
|
public int offsetInBytes;
|
|
public int bitsPerSecond { get { return this.bitrateKbs * 1000; } }
|
|
public float bytesPerSecond { get { return this.bitsPerSecond / 8f; } }
|
|
// public int sizeInBytes { get { return Mathf.RoundToInt( this.lengthSeconds * this.bytesPerSecond ); } }
|
|
public int sizeInBytes;
|
|
}
|
|
|
|
static SfxBankAudioData[] s_sfxGENRL137Timings;
|
|
public static SfxBankAudioData[] SfxGENRL137Timings { get { return s_sfxGENRL137Timings; } }
|
|
|
|
|
|
|
|
void Awake ()
|
|
{
|
|
Instance = this;
|
|
}
|
|
|
|
void OnDisable ()
|
|
{
|
|
if (s_gtaAudioFiles != null)
|
|
{
|
|
s_gtaAudioFiles.Dispose ();
|
|
s_gtaAudioFiles = null;
|
|
}
|
|
}
|
|
|
|
void Start () {
|
|
|
|
}
|
|
|
|
void OnLoaderFinished ()
|
|
{
|
|
if (s_startupAudioSource != null)
|
|
{
|
|
Destroy (s_startupAudioSource.gameObject);
|
|
}
|
|
}
|
|
|
|
void Update () {
|
|
|
|
}
|
|
|
|
|
|
public static void InitFromLoader ()
|
|
{
|
|
|
|
s_gtaAudioFiles = GTAAudio.OpenRead (Path.Combine (Utilities.Config.GamePath, "audio"));
|
|
|
|
s_sfxGENRL137Timings = LoadSfxBankTimings (Path.Combine (Utilities.Config.DataPath, "SFX_GENRL_137.txt"));
|
|
|
|
if (Instance.playStartupSound)
|
|
{
|
|
s_startupAudioSource = PlayStream ("Beats", 1);
|
|
if (s_startupAudioSource != null)
|
|
s_startupAudioSource.time = Instance.startupSoundTimeOffset;
|
|
}
|
|
|
|
// s_sfxGENRLClip = CreateAudioClipFromSfx ("GENRL", 136, 0);
|
|
|
|
}
|
|
|
|
public static SfxBankAudioData[] LoadSfxBankTimings (string filePath)
|
|
{
|
|
// int sampleSize = 2;
|
|
System.IFormatProvider formatProvider = System.Globalization.CultureInfo.InvariantCulture;
|
|
var lines = File.ReadAllLines (filePath);
|
|
SfxBankAudioData[] datas = new SfxBankAudioData[(lines.Length - 1)]; // skip last line
|
|
// int currentTime = 0;
|
|
float currentOffset = 0;
|
|
for (int i = 0, lineIndex = 0; i < datas.Length; i++)
|
|
{
|
|
string[] splits = lines [lineIndex++].Split (' ');
|
|
|
|
// datas [i].startTimeMs = currentTime;
|
|
// datas [i].offsetInBytes = Mathf.RoundToInt (currentOffset);
|
|
|
|
// int clipLengthMs = int.Parse (lines [lineIndex++], formatProvider);
|
|
// datas [i].lengthMs = clipLengthMs;
|
|
|
|
// int bitrate = 288;//int.Parse (lines [lineIndex++], formatProvider);
|
|
// lineIndex ++;
|
|
// datas [i].bitrateKbs = bitrate;
|
|
|
|
// currentTime += clipLengthMs;
|
|
// currentOffset += (clipLengthMs / 1000f) * (bitrate * 1000f / 8f);
|
|
|
|
datas [i].offsetInBytes = int.Parse (splits [0]);
|
|
datas [i].sizeInBytes = int.Parse (splits [1]);
|
|
datas [i].bitrateKbs = Mathf.RoundToInt( FreqToKbs( int.Parse (splits [2]) ) );
|
|
|
|
}
|
|
// Debug.LogFormat ("sfx timings loaded - current offset {0}", currentOffset);
|
|
return datas;
|
|
}
|
|
|
|
|
|
public static AudioClip CreateAudioClipFromStream (string streamFileName, int bankIndex)
|
|
{
|
|
AudioStream audio_stream = null;
|
|
System.DateTime startTime = System.DateTime.Now;
|
|
|
|
int streams_bank_index = bankIndex;
|
|
string streams_file_name = streamFileName;
|
|
string key = streams_file_name + "." + streams_bank_index;
|
|
|
|
|
|
if ((s_gtaAudioFiles != null) && (streams_bank_index >= 0))
|
|
{
|
|
try
|
|
{
|
|
Stream stream = s_gtaAudioFiles.OpenStreamsAudioStreamByName(streams_file_name, (uint)streams_bank_index);
|
|
if (stream != null)
|
|
{
|
|
audio_stream = new AudioStream(stream, key, true);
|
|
}
|
|
}
|
|
catch (System.Exception e)
|
|
{
|
|
Debug.LogError(e);
|
|
}
|
|
}
|
|
|
|
|
|
if (audio_stream != null)
|
|
{
|
|
System.TimeSpan time_span = System.DateTime.Now - startTime;
|
|
Debug.Log("\"" + key + "\" took " + time_span.TotalSeconds + " seconds.");
|
|
|
|
return audio_stream.AudioClip;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
public static AudioSource PlayStream (string streamFileName, int bankIndex)
|
|
{
|
|
var clip = CreateAudioClipFromStream (streamFileName, bankIndex);
|
|
if (clip != null)
|
|
{
|
|
AudioSource audioSource = new GameObject (streamFileName + "." + bankIndex).AddComponent<AudioSource> ();
|
|
audioSource.time = 0.0f;
|
|
audioSource.clip = clip;
|
|
audioSource.Play();
|
|
|
|
// destroy game object when sound is finished playing
|
|
Destroy( audioSource.gameObject, clip.length );
|
|
|
|
return audioSource;
|
|
}
|
|
|
|
return null;
|
|
}
|
|
|
|
public static AudioClip CreateAudioClipFromSfx (string sfxFileName, int bankIndex, int audioIndex, SfxBankAudioData? sfxBankAudioData)
|
|
{
|
|
|
|
if (null == s_gtaAudioFiles || bankIndex < 0 || audioIndex < 0)
|
|
return null;
|
|
|
|
AudioClip ret = null;
|
|
string clipName = sfxFileName + "." + bankIndex + "." + audioIndex;
|
|
|
|
try
|
|
{
|
|
using (GTAAudioStream audio_stream = s_gtaAudioFiles.OpenSFXAudioStreamByName(sfxFileName, (uint)bankIndex, (uint)audioIndex))
|
|
{
|
|
if (audio_stream != null)
|
|
{
|
|
// this audio stream holds all sounds from this bank
|
|
|
|
int freq = sfxBankAudioData.HasValue ? Mathf.RoundToInt( KbsToFreq( sfxBankAudioData.Value.bitrateKbs ) ) : audio_stream.SampleRate ;
|
|
int offsetInBytes = sfxBankAudioData.HasValue ? sfxBankAudioData.Value.offsetInBytes : 0 ;
|
|
int sizeInBytes = sfxBankAudioData.HasValue ? sfxBankAudioData.Value.sizeInBytes : (int) audio_stream.Length ;
|
|
|
|
ret = CreateAudioClipFromSfx (clipName, audio_stream, offsetInBytes, sizeInBytes, freq);
|
|
|
|
}
|
|
}
|
|
}
|
|
catch (System.Exception e)
|
|
{
|
|
Debug.LogError(e);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
public static AudioClip CreateAudioClipFromSfx (string clipName, GTAAudioStream audio_stream, int offsetInBytes, int sizeInBytes, int frequency)
|
|
{
|
|
AudioClip ret = null;
|
|
|
|
audio_stream.Position = offsetInBytes;
|
|
|
|
byte[] int_pcm = new byte[sizeInBytes];
|
|
|
|
if (audio_stream.Read(int_pcm, 0, int_pcm.Length) == int_pcm.Length)
|
|
{
|
|
float[] float_pcm = new float[int_pcm.Length / sizeof(short)];
|
|
for (int i = 0; i < float_pcm.Length; i++)
|
|
{
|
|
float_pcm[i] = Mathf.Clamp(((short)(int_pcm[i * sizeof(short)] | (int_pcm[(i * sizeof(short)) + 1] << 8)) / 32767.5f), -1.0f, 1.0f);
|
|
}
|
|
ret = AudioClip.Create(clipName, float_pcm.Length, 1, frequency, false);
|
|
ret.SetData(float_pcm, 0);
|
|
|
|
// Debug.LogFormat("loaded sfx: name {0}, offset {1}, size {2}, length {3}, bitrate Kb/s {4}, stream size {5}, freq {6}",
|
|
// clipName, offsetInBytes, sizeInBytes, ret.length,
|
|
// FreqToKbs (frequency), audio_stream.Length, frequency);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static float FreqToKbs(int freq)
|
|
{
|
|
return freq * kSfxSampleSize * 8f / 1000f;
|
|
}
|
|
|
|
static float KbsToFreq(float kbs)
|
|
{
|
|
return kbs / 8f * 1000f / kSfxSampleSize;
|
|
}
|
|
|
|
}
|
|
|
|
}
|