Bring back FMOD audio backend.
This commit is contained in:
@@ -1,103 +1,136 @@
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// using FMOD;
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using FMOD;
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using System.Runtime.InteropServices;
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// namespace RogueMine.Audio
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// {
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// public class FmodAudioBackend : AudioBackend
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// {
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// public override void Initialize()
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// {
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// CreateSystem();
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// _loadedSounds = new Dictionary<string, FMOD.Sound>();
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// _channelGroups = new Dictionary<string, ChannelGroup>();
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namespace DaggerFramework.Audio
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{
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public class FmodAudioBackend : AudioBackend
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{
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public override void Initialize()
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{
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CreateSystem();
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_loadedSounds = new Dictionary<string, FMOD.Sound>();
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_channelGroups = new Dictionary<string, ChannelGroup>();
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// CreateBus("Master");
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// }
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// public override void Update() => _system.update();
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CreateBus("Master");
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}
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public override void Update() => _system.update();
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// protected override void PlaySound(Sound sound, string bus = "Master", float pitch = 1, float volume = 1)
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// {
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// var channel = PlaySoundFromPath(sound.Path, GetChannelGroup(bus));
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// channel.setVolume(volume);
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// channel.setPitch(pitch);
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// }
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public override void PlaySound(Sound sound, string bus = "Master", float pitch = 1, float volume = 1)
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{
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int channels = 0;
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// public override void CreateBus(string busName)
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// {
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// ChannelGroup channelGroup;
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// _system.createChannelGroup(busName, out channelGroup);
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// _channelGroups.Add(busName, channelGroup);
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// }
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if (sound.Format == SoundFormat.Mono)
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{
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channels = 1;
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}
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else if (sound.Format == SoundFormat.Stereo)
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{
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channels = 2;
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}
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// public override void SetBusVolume(string busName, float volume)
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// {
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// var channel = GetChannelGroup(busName);
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// channel.setVolume(volume);
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// }
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var channel = PlaySoundFromBuffer(sound.Path, sound.BufferSize, channels, sound.SampleRate, sound.Buffer, GetChannelGroup(bus));
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channel.setVolume(volume);
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channel.setPitch(pitch);
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}
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// public override float GetBusVolume(string busName)
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// {
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// float volume;
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// GetChannelGroup(busName).getVolume(out volume);
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// return volume;
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// }
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public override void CreateBus(string busName)
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{
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ChannelGroup channelGroup;
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_system.createChannelGroup(busName, out channelGroup);
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_channelGroups.Add(busName, channelGroup);
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}
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// public override void AddBusEffect<T>(T effect, string bus = "Master")
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// {
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// var channelGroup = GetChannelGroup(bus);
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// DSP dsp;
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public override void SetBusVolume(string busName, float volume)
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{
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var channel = GetChannelGroup(busName);
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channel.setVolume(volume);
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}
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// switch (effect)
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// {
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// case AudioEffectReverb:
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// dsp = CreateReverbDsp(effect as AudioEffectReverb);
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// break;
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// default:
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// _system.createDSPByType(DSP_TYPE.UNKNOWN, out dsp);
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// break;
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// }
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public override float GetBusVolume(string busName)
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{
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float volume;
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GetChannelGroup(busName).getVolume(out volume);
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return volume;
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}
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// channelGroup.addDSP(0, dsp);
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// }
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public override void AddBusEffect<T>(T effect, string bus = "Master")
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{
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var channelGroup = GetChannelGroup(bus);
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DSP dsp;
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// private DSP CreateReverbDsp(AudioEffectReverb effectReverb)
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// {
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// DSP dsp;
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// _system.createDSPByType(DSP_TYPE.SFXREVERB, out dsp);
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// return dsp;
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// }
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switch (effect)
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{
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case AudioEffectReverb:
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dsp = CreateReverbDsp(effect as AudioEffectReverb);
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break;
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default:
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_system.createDSPByType(DSP_TYPE.UNKNOWN, out dsp);
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break;
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}
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// private void CreateSystem()
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// {
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// var result = FMOD.Factory.System_Create(out _system);
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// _system.init(128, INITFLAGS.NORMAL, 0);
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// }
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channelGroup.addDSP(0, dsp);
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}
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// private Channel PlaySoundFromPath(string path, ChannelGroup channelGroup)
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// {
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// FMOD.Channel fmodChannel;
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// FMOD.Sound fmodSound = IsLoaded(path) ? GetSoundFromLoaded(path) : CreateSound(path);
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// _system.playSound(fmodSound, channelGroup, false, out fmodChannel);
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private DSP CreateReverbDsp(AudioEffectReverb effectReverb)
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{
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DSP dsp;
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_system.createDSPByType(DSP_TYPE.SFXREVERB, out dsp);
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return dsp;
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}
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// return fmodChannel;
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// }
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private void CreateSystem()
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{
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var result = FMOD.Factory.System_Create(out _system);
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_system.init(128, INITFLAGS.NORMAL, 0);
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}
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// private FMOD.Sound GetSoundFromLoaded(string path) => _loadedSounds[path];
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// private bool IsLoaded(string path) => _loadedSounds.ContainsKey(path);
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private Channel PlaySoundFromBuffer(string path, int length, int channels, int sampleRate, byte[] buffer, ChannelGroup channelGroup)
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{
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Channel fmodChannel;
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FMOD.Sound fmodSound = IsLoaded(path) ? GetSoundFromLoaded(path) : CreateSound(length, channels, sampleRate, path, buffer);
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// private FMOD.Sound CreateSound(string path)
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// {
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// FMOD.Sound sound;
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// _system.createSound(path, FMOD.MODE.DEFAULT, out sound);
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// AddToLoaded(path, sound);
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// return sound;
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// }
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_system.playSound(fmodSound, channelGroup, false, out fmodChannel);
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// private void AddToLoaded(string path, FMOD.Sound sound) => _loadedSounds.Add(path, sound);
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return fmodChannel;
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}
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// private ChannelGroup GetChannelGroup(string busName) => _channelGroups[busName];
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// private FMOD.System _system;
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// private Dictionary<string, FMOD.Sound> _loadedSounds;
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// private Dictionary<string, ChannelGroup> _channelGroups;
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// }
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// }
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private FMOD.Sound GetSoundFromLoaded(string path) => _loadedSounds[path];
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private bool IsLoaded(string path) => _loadedSounds.ContainsKey(path);
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private FMOD.Sound CreateSound(int length, int channels, int sampleRate, string path, byte[] buffer)
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{
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FMOD.Sound sound;
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CREATESOUNDEXINFO info = new CREATESOUNDEXINFO()
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{
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numchannels = channels,
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defaultfrequency = sampleRate,
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format = SOUND_FORMAT.PCM16,
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length = (uint)length,
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cbsize = Marshal.SizeOf(typeof(CREATESOUNDEXINFO))
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};
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var result = _system.createSound(buffer, FMOD.MODE.OPENMEMORY | FMOD.MODE.OPENRAW | FMOD.MODE.CREATESAMPLE, ref info, out sound);
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AddToLoaded(path, sound);
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return sound;
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}
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private void AddToLoaded(string path, FMOD.Sound sound) => _loadedSounds.Add(path, sound);
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private ChannelGroup GetChannelGroup(string busName)
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{
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return _channelGroups[busName];
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}
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public override void Shutdown()
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{
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throw new NotImplementedException();
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}
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private FMOD.System _system;
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// TODO: use a different key for the dictionary, paths are not good :( (waste of memory lol)
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private Dictionary<string, FMOD.Sound> _loadedSounds;
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private Dictionary<string, ChannelGroup> _channelGroups;
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}
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}
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