273 lines
10 KiB
C#
273 lines
10 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Threading.Tasks;
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using FlaxEngine;
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using Console = Game.Console;
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using Object = FlaxEngine.Object;
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namespace Game
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{
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[Flags]
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public enum AudioFlags
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{
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None = 0,
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/// Avoid replacing the existing playing audio source in this channel.
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ContinuePlayingExistingSource = 1
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}
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public static class AudioManager
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{
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private static readonly Random random = new Random();
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private static readonly Dictionary<string, AudioInfo> cachedAudioInfos = new Dictionary<string, AudioInfo>();
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private static readonly Dictionary<Actor, ActorAudioChannels> actorAudioChannels =
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new Dictionary<Actor, ActorAudioChannels>();
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public static void PlaySound(string soundName, Actor actor, Vector3 position, float volume = 1f)
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{
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PlaySound(soundName, actor, 0, AudioFlags.None, position, volume, Vector2.One);
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}
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public static void PlaySound(string soundName, Actor actor, Vector3 position, float volume, Vector2 pitchRange)
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{
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PlaySound(soundName, actor, 0, AudioFlags.None, position, volume, pitchRange);
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}
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public static void PlaySound(string soundName, Actor actor, int channel, Vector3 position, float volume = 1f)
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{
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PlaySound(soundName, actor, channel, AudioFlags.None, position, volume, Vector2.One);
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}
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public static void PlaySound(string soundName, Actor actor, int channel, AudioFlags flags, Vector3 position,
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float volume = 1f)
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{
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PlaySound(soundName, actor, channel, flags, position, volume, Vector2.One);
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}
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public static void PlaySound(string soundName, Actor actor, int channel, AudioFlags flags, Vector3 position,
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float volume, Vector2 pitchRange)
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{
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AudioInfo audio = GetSound(soundName);
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if (audio.AudioClips.Length == 0)
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return;
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channel = Math.Max(channel, 0);
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ActorAudioChannels actorChannels = null;
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if (channel > 0)
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{
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if (!actorAudioChannels.TryGetValue(actor, out actorChannels))
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{
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actorChannels = new ActorAudioChannels();
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actorAudioChannels.Add(actor, actorChannels);
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}
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if (!actorChannels.channelSources.TryGetValue(channel, out AudioSource existingAudioSource))
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actorChannels.channelSources.Add(channel, null);
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if (existingAudioSource && existingAudioSource != null &&
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existingAudioSource.State == AudioSource.States.Playing)
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{
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if (flags.HasFlag(AudioFlags.ContinuePlayingExistingSource))
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return;
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existingAudioSource.Stop();
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Object.Destroy(existingAudioSource);
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actorChannels.channelSources[channel] = null;
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}
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}
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AudioClip audioClip;
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if (audio.AudioClips.Length > 1)
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{
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// Randomize selected clip while avoiding the last used clip
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int randomIndex = 0;
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for (int i = 0; i < 10; i++)
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{
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randomIndex = random.Next(audio.AudioClips.Length);
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if (randomIndex != audio.lastAudioPlayed)
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break;
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}
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audioClip = audio.AudioClips[randomIndex];
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audio.lastAudioPlayed = randomIndex;
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}
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else
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{
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audioClip = audio.AudioClips[0];
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}
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float pitch;
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if (pitchRange[0] < pitchRange[1]) // Randomized pitch
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pitch = (float)(pitchRange[0] + random.NextDouble() * (pitchRange[1] - pitchRange[0]));
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else
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pitch = pitchRange[0];
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AudioSource audioSource = new AudioSource();
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audioSource.Clip = audioClip;
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audioSource.Position = position;
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audioSource.Parent = actor.Parent;
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audioSource.Pitch = pitch;
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audioSource.Name = Path.GetFileNameWithoutExtension(audioClip.Path);
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audioSource.Volume = volume;
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if (volume != 1f)
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audioSource.Name += ", vol: " + volume;
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if (pitch != 1f)
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audioSource.Name += ", pitch: " + pitch;
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audioSource.Play();
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Object.Destroy(audioSource, audioClip.Length);
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if (channel > 0)
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actorChannels.channelSources[channel] = audioSource;
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}
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public static async void PlaySoundDelayed(Vector2 delayRange, string soundName, Actor actor, int channel,
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Vector3 position, float volume = 1f)
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{
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float randomDelay;
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if (delayRange[0] < delayRange[1])
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randomDelay = (float)(delayRange[0] + random.NextDouble() * (delayRange[1] - delayRange[0]));
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else
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randomDelay = delayRange[0];
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//PlaySoundDelayed(delay, soundName, actor, channel, AudioFlags.None, position, volume, Vector2.One);
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await Task.Delay((int)(randomDelay * 1000f));
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//FlaxEngine.Scripting.RunOnUpdate(() =>
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// PlaySound(soundName, actor, channel, flags, position, volume, pitchRange));
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if (actor) // Engine might have cleaned up the actor
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PlaySound(soundName, actor, channel, AudioFlags.None, position, volume, Vector2.One);
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}
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public static async void PlaySoundDelayed(Vector2 delayRange, string soundName, Actor actor, int channel,
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Vector3 position, float volume, Vector2 pitchRange)
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{
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float randomDelay;
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if (delayRange[0] < delayRange[1])
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randomDelay = (float)(delayRange[0] + random.NextDouble() * (delayRange[1] - delayRange[0]));
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else
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randomDelay = delayRange[0];
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//PlaySoundDelayed(delay, soundName, actor, channel, AudioFlags.None, position, volume, Vector2.One);
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await Task.Delay((int)(randomDelay * 1000f));
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//FlaxEngine.Scripting.RunOnUpdate(() =>
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// PlaySound(soundName, actor, channel, flags, position, volume, pitchRange));
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if (actor) // Engine might have cleaned up the actor
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PlaySound(soundName, actor, channel, AudioFlags.None, position, volume, pitchRange);
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}
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public static async void PlaySoundDelayed(Vector2 delayRange, string soundName, Actor actor, int channel,
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AudioFlags flags, Vector3 position, float volume, Vector2 pitchRange)
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{
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float randomDelay;
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if (delayRange[0] < delayRange[1])
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randomDelay = (float)(delayRange[0] + random.NextDouble() * (delayRange[1] - delayRange[0]));
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else
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randomDelay = delayRange[0];
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await Task.Delay((int)(randomDelay * 1000f));
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//FlaxEngine.Scripting.RunOnUpdate(() =>
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// PlaySound(soundName, actor, channel, flags, position, volume, pitchRange));
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if (actor) // Engine might have cleaned up the actor
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PlaySound(soundName, actor, channel, flags, position, volume, pitchRange);
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}
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public static void StopSound(Actor actor, int channel)
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{
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if (channel <= 0)
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return;
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if (!actorAudioChannels.TryGetValue(actor, out ActorAudioChannels actorChannels))
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return;
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if (!actorChannels.channelSources.TryGetValue(channel, out AudioSource existingAudioSource))
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return;
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if (existingAudioSource && existingAudioSource != null &&
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existingAudioSource.State == AudioSource.States.Playing)
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{
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existingAudioSource.Stop();
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Object.Destroy(existingAudioSource);
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actorChannels.channelSources[channel] = null;
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}
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}
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public static bool IsSoundPlaying(Actor actor, int channel)
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{
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if (channel <= 0)
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return false;
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if (!actorAudioChannels.TryGetValue(actor, out ActorAudioChannels actorChannels))
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return false;
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if (!actorChannels.channelSources.TryGetValue(channel, out AudioSource existingAudioSource))
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return false;
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if (existingAudioSource && existingAudioSource != null &&
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existingAudioSource.State == AudioSource.States.Playing)
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return true;
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return false;
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}
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private static AudioInfo GetSound(string soundName)
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{
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if (cachedAudioInfos.TryGetValue(soundName, out AudioInfo cachedAudio))
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return cachedAudio;
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AudioInfo audio = new AudioInfo();
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string workDir = Directory.GetCurrentDirectory();
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string audioBasePath = Path.Combine(workDir, "Content", "Audio");
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AudioClip audioClip = Content.Load<AudioClip>(Path.Combine(audioBasePath, soundName + ".flax"));
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if (audioClip != null)
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{
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audio.AudioClips = new[] { audioClip };
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}
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else
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{
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// Check if this audio has multiple variations
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var audioClips = new List<AudioClip>();
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for (int i = 1; i < 50; i++)
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{
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// TODO: make this more efficient, maybe get a list of assets and filter by name?
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AudioClip audioClipVariation =
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Content.Load<AudioClip>(Path.Combine(audioBasePath, soundName + "_var" + i + ".flax"));
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if (audioClipVariation == null)
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break;
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audioClips.Add(audioClipVariation);
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}
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if (audioClips.Count > 0)
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audio.AudioClips = audioClips.ToArray();
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else
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Console.PrintError("AudioClip '" + soundName + "' not found");
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}
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audio.lastAudioPlayed = audio.AudioClips.Length + 1;
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cachedAudioInfos.Add(soundName, audio);
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return audio;
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}
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private class AudioInfo
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{
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public AudioClip[] AudioClips;
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public int lastAudioPlayed;
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}
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private class ActorAudioChannels
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{
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public readonly Dictionary<int, AudioSource> channelSources;
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public ActorAudioChannels()
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{
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channelSources = new Dictionary<int, AudioSource>();
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}
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}
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}
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} |