Change folder structure, add solution to the root.

2023-06-18 17:19:03 +02:00
parent d5f5fb5614
commit 15747d7e9b
51 changed files with 33 additions and 6 deletions
--- a/DaggerFramework/Source/Audio/FmodAudioBackend.cs
+++ b/DaggerFramework/Source/Audio/FmodAudioBackend.cs
@@ -0,0 +1,136 @@
+using FMOD;
+using System.Runtime.InteropServices;
+
+namespace DaggerFramework.Audio
+{
+    public class FmodAudioBackend : AudioBackend
+    {
+        public override void Initialize()
+        {
+            CreateSystem();
+            _loadedSounds = new Dictionary<string, FMOD.Sound>();
+            _channelGroups = new Dictionary<string, ChannelGroup>();
+
+            CreateBus("Master");
+        }
+        public override void Update() => _system.update();
+
+        public override void PlaySound(Sound sound, string bus = "Master", float pitch = 1, float volume = 1)
+        {
+            int channels = 0;
+
+            if (sound.Format == SoundFormat.Mono)
+            {
+                channels = 1;
+            }
+            else if (sound.Format == SoundFormat.Stereo)
+            {
+                channels = 2;
+            }
+
+            var channel = PlaySoundFromBuffer(sound.Path, sound.BufferSize, channels, sound.SampleRate, sound.Buffer, GetChannelGroup(bus));
+            channel.setVolume(volume);
+            channel.setPitch(pitch);
+        }
+
+        public override void CreateBus(string busName)
+        {
+            ChannelGroup channelGroup;
+            _system.createChannelGroup(busName, out channelGroup);
+            _channelGroups.Add(busName, channelGroup);
+        }
+
+        public override void SetBusVolume(string busName, float volume)
+        {
+            var channel = GetChannelGroup(busName);
+            channel.setVolume(volume);
+        }
+
+        public override float GetBusVolume(string busName)
+        {
+            float volume;
+            GetChannelGroup(busName).getVolume(out volume);
+            return volume;
+        }
+
+        public override void AddBusEffect<T>(T effect, string bus = "Master")
+        {
+            var channelGroup = GetChannelGroup(bus);
+            DSP dsp;
+
+            switch (effect)
+            {
+                case AudioEffectReverb:
+                    dsp = CreateReverbDsp(effect as AudioEffectReverb);
+                    break;
+                default:
+                    _system.createDSPByType(DSP_TYPE.UNKNOWN, out dsp);
+                    break;
+            }
+
+            channelGroup.addDSP(0, dsp);
+        }
+
+        private DSP CreateReverbDsp(AudioEffectReverb effectReverb)
+        {
+            DSP dsp;
+            _system.createDSPByType(DSP_TYPE.SFXREVERB, out dsp);
+            return dsp;
+        }
+
+        private void CreateSystem()
+        {
+            var result = FMOD.Factory.System_Create(out _system);
+            _system.init(128, INITFLAGS.NORMAL, 0);
+        }
+
+        private Channel PlaySoundFromBuffer(string path, int length, int channels, int sampleRate, byte[] buffer, ChannelGroup channelGroup)
+        {
+            Channel fmodChannel;
+            FMOD.Sound fmodSound = IsLoaded(path) ? GetSoundFromLoaded(path) : CreateSound(length, channels, sampleRate, path, buffer);
+
+            _system.playSound(fmodSound, channelGroup, false, out fmodChannel);
+
+            return fmodChannel;
+        }
+
+
+        private FMOD.Sound GetSoundFromLoaded(string path) => _loadedSounds[path];
+        private bool IsLoaded(string path) => _loadedSounds.ContainsKey(path);
+
+        private FMOD.Sound CreateSound(int length, int channels, int sampleRate, string path, byte[] buffer)
+        {
+            FMOD.Sound sound;
+            CREATESOUNDEXINFO info = new CREATESOUNDEXINFO()
+            {
+                numchannels = channels,
+                defaultfrequency = sampleRate,
+                format = SOUND_FORMAT.PCM16,
+                length = (uint)length,
+                cbsize = Marshal.SizeOf(typeof(CREATESOUNDEXINFO))
+            };
+
+            var result = _system.createSound(buffer, FMOD.MODE.OPENMEMORY | FMOD.MODE.OPENRAW | FMOD.MODE.CREATESAMPLE, ref info, out sound);
+            AddToLoaded(path, sound);
+            return sound;
+        }
+
+        private void AddToLoaded(string path, FMOD.Sound sound) => _loadedSounds.Add(path, sound);
+
+        private ChannelGroup GetChannelGroup(string busName)
+        {
+            return _channelGroups[busName];
+        }
+
+        public override void Shutdown()
+        {
+            throw new NotImplementedException();
+        }
+
+        private FMOD.System _system;
+
+        // TODO: use a different key for the dictionary, paths are not good :( (waste of memory lol)
+        private Dictionary<string, FMOD.Sound> _loadedSounds;
+        private Dictionary<string, ChannelGroup> _channelGroups;
+    }
+}