Files
OpenRA/OpenRA.Game/Sound/Sound.cs
2015-03-19 17:20:34 +00:00

403 lines
10 KiB
C#

#region Copyright & License Information
/*
* Copyright 2007-2015 The OpenRA Developers (see AUTHORS)
* This file is part of OpenRA, which is free software. It is made
* available to you under the terms of the GNU General Public License
* as published by the Free Software Foundation. For more information,
* see COPYING.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using OpenRA.FileFormats;
using OpenRA.FileSystem;
using OpenRA.GameRules;
using OpenRA.Primitives;
using OpenRA.Traits;
using OpenTK;
using OpenTK.Audio.OpenAL;
namespace OpenRA
{
public static class Sound
{
static ISoundEngine soundEngine;
static Cache<string, ISoundSource> sounds;
static ISoundSource rawSource;
static ISound music;
static ISound video;
static MusicInfo currentMusic;
static ISoundSource LoadSound(string filename)
{
if (!GlobalFileSystem.Exists(filename))
{
Log.Write("sound", "LoadSound, file does not exist: {0}", filename);
return null;
}
if (filename.ToLowerInvariant().EndsWith("wav"))
using (var s = GlobalFileSystem.Open(filename))
return LoadWave(new WavLoader(s));
using (var s = GlobalFileSystem.Open(filename))
return LoadSoundRaw(AudLoader.LoadSound(s), 1, 16, 22050);
}
static ISoundSource LoadWave(WavLoader wave)
{
return soundEngine.AddSoundSourceFromMemory(wave.RawOutput, wave.Channels, wave.BitsPerSample, wave.SampleRate);
}
static ISoundSource LoadSoundRaw(byte[] rawData, int channels, int sampleBits, int sampleRate)
{
return soundEngine.AddSoundSourceFromMemory(rawData, channels, sampleBits, sampleRate);
}
static ISoundEngine CreateEngine(string engine)
{
engine = Game.Settings.Server.Dedicated ? "Null" : engine;
switch (engine)
{
case "AL": return new OpenAlSoundEngine();
case "Null": return new NullSoundEngine();
default:
throw new InvalidOperationException("Unsupported sound engine: {0}".F(engine));
}
}
public static void Create(string engine)
{
soundEngine = CreateEngine(engine);
}
public static void Initialize()
{
sounds = new Cache<string, ISoundSource>(LoadSound);
music = null;
currentMusic = null;
video = null;
}
public static SoundDevice[] AvailableDevices()
{
var defaultDevices = new[]
{
new SoundDevice("AL", null, "Default Output"),
new SoundDevice("Null", null, "Output Disabled")
};
var devices = OpenAlSoundEngine.AvailableDevices()
.Select(d => new SoundDevice("AL", d, d));
return defaultDevices.Concat(devices).ToArray();
}
public static void SetListenerPosition(WPos position)
{
soundEngine.SetListenerPosition(position);
}
static ISound Play(Player player, string name, bool headRelative, WPos pos, float volumeModifier)
{
if (string.IsNullOrEmpty(name))
return null;
if (player != null && player != player.World.LocalPlayer)
return null;
return soundEngine.Play2D(sounds[name],
false, headRelative, pos,
InternalSoundVolume * volumeModifier, true);
}
public static ISound Play(string name) { return Play(null, name, true, WPos.Zero, 1); }
public static ISound Play(string name, WPos pos) { return Play(null, name, false, pos, 1); }
public static ISound Play(string name, float volumeModifier) { return Play(null, name, true, WPos.Zero, volumeModifier); }
public static ISound Play(string name, WPos pos, float volumeModifier) { return Play(null, name, false, pos, volumeModifier); }
public static ISound PlayToPlayer(Player player, string name) { return Play(player, name, true, WPos.Zero, 1); }
public static ISound PlayToPlayer(Player player, string name, WPos pos) { return Play(player, name, false, pos, 1); }
public static void PlayVideo(byte[] raw, int channels, int sampleBits, int sampleRate)
{
rawSource = LoadSoundRaw(raw, channels, sampleBits, sampleRate);
video = soundEngine.Play2D(rawSource, false, true, WPos.Zero, InternalSoundVolume, false);
}
public static void PlayVideo()
{
if (video != null)
soundEngine.PauseSound(video, false);
}
public static void PauseVideo()
{
if (video != null)
soundEngine.PauseSound(video, true);
}
public static void StopVideo()
{
if (video != null)
soundEngine.StopSound(video);
}
public static void Tick()
{
// Song finished
if (MusicPlaying && !music.Playing)
{
StopMusic();
onMusicComplete();
}
}
static Action onMusicComplete;
public static bool MusicPlaying { get; private set; }
public static MusicInfo CurrentMusic { get { return currentMusic; } }
public static void PlayMusic(MusicInfo m)
{
PlayMusicThen(m, () => { });
}
public static void PlayMusicThen(MusicInfo m, Action then)
{
if (m == null || !m.Exists)
return;
onMusicComplete = then;
if (m == currentMusic && music != null)
{
soundEngine.PauseSound(music, false);
MusicPlaying = true;
return;
}
StopMusic();
var sound = sounds[m.Filename];
if (sound == null)
return;
music = soundEngine.Play2D(sound, false, true, WPos.Zero, MusicVolume, false);
currentMusic = m;
MusicPlaying = true;
}
public static void PlayMusic()
{
if (music == null)
return;
MusicPlaying = true;
soundEngine.PauseSound(music, false);
}
public static void StopSound(ISound sound)
{
if (sound != null)
soundEngine.StopSound(sound);
}
public static void StopMusic()
{
if (music != null)
soundEngine.StopSound(music);
MusicPlaying = false;
currentMusic = null;
}
public static void PauseMusic()
{
if (music == null)
return;
MusicPlaying = false;
soundEngine.PauseSound(music, true);
}
public static float GlobalVolume
{
get { return soundEngine.Volume; }
set { soundEngine.Volume = value; }
}
static float soundVolumeModifier = 1.0f;
public static float SoundVolumeModifier
{
get
{
return soundVolumeModifier;
}
set
{
soundVolumeModifier = value;
soundEngine.SetSoundVolume(InternalSoundVolume, music, video);
}
}
static float InternalSoundVolume { get { return SoundVolume * soundVolumeModifier; } }
public static float SoundVolume
{
get
{
return Game.Settings.Sound.SoundVolume;
}
set
{
Game.Settings.Sound.SoundVolume = value;
soundEngine.SetSoundVolume(InternalSoundVolume, music, video);
}
}
public static float MusicVolume
{
get
{
return Game.Settings.Sound.MusicVolume;
}
set
{
Game.Settings.Sound.MusicVolume = value;
if (music != null)
music.Volume = value;
}
}
public static float VideoVolume
{
get
{
return Game.Settings.Sound.VideoVolume;
}
set
{
Game.Settings.Sound.VideoVolume = value;
if (video != null)
video.Volume = value;
}
}
public static float MusicSeekPosition
{
get { return music != null ? music.SeekPosition : 0; }
}
public static float VideoSeekPosition
{
get { return video != null ? video.SeekPosition : 0; }
}
// Returns true if played successfully
public static bool PlayPredefined(Ruleset ruleset, Player p, Actor voicedUnit, string type, string definition, string variant,
bool relative, WPos pos, float volumeModifier, bool attenuateVolume)
{
if (ruleset == null)
throw new ArgumentNullException("ruleset");
if (definition == null)
return false;
if (ruleset.Voices == null || ruleset.Notifications == null)
return false;
var rules = (voicedUnit != null) ? ruleset.Voices[type] : ruleset.Notifications[type];
if (rules == null)
return false;
var id = voicedUnit != null ? voicedUnit.ActorID : 0;
string clip;
var suffix = rules.DefaultVariant;
var prefix = rules.DefaultPrefix;
if (voicedUnit != null)
{
if (!rules.VoicePools.Value.ContainsKey("Attack"))
rules.VoicePools.Value.Add("Attack", rules.VoicePools.Value["Move"]);
if (!rules.VoicePools.Value.ContainsKey("AttackMove"))
rules.VoicePools.Value.Add("AttackMove", rules.VoicePools.Value["Move"]);
if (!rules.VoicePools.Value.ContainsKey(definition))
throw new InvalidOperationException("Can't find {0} in voice pool.".F(definition));
clip = rules.VoicePools.Value[definition].GetNext();
}
else
{
if (!rules.NotificationsPools.Value.ContainsKey(definition))
throw new InvalidOperationException("Can't find {0} in notification pool.".F(definition));
clip = rules.NotificationsPools.Value[definition].GetNext();
}
if (string.IsNullOrEmpty(clip))
return false;
if (variant != null)
{
if (rules.Variants.ContainsKey(variant) && !rules.DisableVariants.Contains(definition))
suffix = rules.Variants[variant][id % rules.Variants[variant].Length];
if (rules.Prefixes.ContainsKey(variant) && !rules.DisablePrefixes.Contains(definition))
prefix = rules.Prefixes[variant][id % rules.Prefixes[variant].Length];
}
var name = prefix + clip + suffix;
if (!string.IsNullOrEmpty(name) && (p == null || p == p.World.LocalPlayer))
soundEngine.Play2D(sounds[name],
false, relative, pos,
InternalSoundVolume * volumeModifier, attenuateVolume);
return true;
}
public static bool PlayVoice(string phrase, Actor voicedUnit, string variant)
{
if (voicedUnit == null || phrase == null)
return false;
var mi = voicedUnit.Info.Traits.GetOrDefault<SelectableInfo>();
if (mi == null || mi.Voice == null)
return false;
var type = mi.Voice.ToLowerInvariant();
return PlayPredefined(voicedUnit.World.Map.Rules, null, voicedUnit, type, phrase, variant, true, WPos.Zero, 1f, true);
}
public static bool PlayVoiceLocal(string phrase, Actor voicedUnit, string variant, WPos pos, float volume)
{
if (voicedUnit == null || phrase == null)
return false;
var mi = voicedUnit.Info.Traits.GetOrDefault<SelectableInfo>();
if (mi == null || mi.Voice == null)
return false;
var type = mi.Voice.ToLowerInvariant();
return PlayPredefined(voicedUnit.World.Map.Rules, null, voicedUnit, type, phrase, variant, false, pos, volume, true);
}
public static bool PlayNotification(Ruleset rules, Player player, string type, string notification, string variant)
{
if (rules == null)
throw new ArgumentNullException("rules");
if (type == null || notification == null)
return false;
return PlayPredefined(rules, player, null, type.ToLowerInvariant(), notification, variant, true, WPos.Zero, 1f, false);
}
}
}