Add music system

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Assets/Audio/Justin Dalessandro - Set Fire to Reality.ogg.meta

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Assets/Audio/Matthew Pablo - Thrust Sequence.ogg.meta

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Assets/Scripts/Audio.meta

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Assets/Scripts/Audio/MusicChannelPlayer.cs

@@ -0,0 +1,43 @@
+using UnityEngine;
+
+namespace Saltosion.OneWeapon.Audio {
+    [RequireComponent(typeof(AudioSource))]
+    public class MusicChannelPlayer : MonoBehaviour {
+        public bool FadingOut;
+        public bool FadingIn;
+        public float FadeDuration;
+        public AudioClip NextClip;
+        public float Volume;
+        public bool Loop;
+        public bool CurrentlyPlaying { get { return Source.clip != null; } }
+
+        private AudioSource Source;
+
+        private void Start() {
+            Source = GetComponent<AudioSource>();
+        }
+
+        private void Update() {
+            if (!FadingOut && !FadingIn) {
+                Source.volume = Volume;
+            } else if (FadingIn && Source.clip == null) {
+                Source.clip = NextClip;
+                Source.loop = Loop;
+                if (Source.clip != null) {
+                    Source.Play();
+                }
+                NextClip = null;
+            } else if (FadingOut && Source.volume > 0) {
+                Source.volume = Mathf.Clamp(Source.volume - Time.deltaTime / FadeDuration / Volume, 0, Volume);
+            } else if (FadingOut && Source.volume == 0) {
+                Source.Stop();
+                Source.clip = null;
+                FadingOut = false;
+            } else if (FadingIn && Source.volume < Volume) {
+                Source.volume = Mathf.Clamp(Source.volume + Time.deltaTime / FadeDuration / Volume, 0, Volume);
+            } else if (FadingIn && Source.volume == Volume) {
+                FadingIn = false;
+            }
+        }
+    }
+}

Assets/Scripts/Audio/MusicChannelPlayer.cs.meta

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Assets/Scripts/Audio/MusicPlayer.cs

@@ -0,0 +1,87 @@
+using UnityEngine;
+using UnityEngine.SceneManagement;
+using Saltosion.OneWeapon.Utils;
+
+namespace Saltosion.OneWeapon.Audio {
+    public enum MusicTrack {
+        None = -1,
+        Elevator = 0,
+        SetFireToReality, // 1, and so on
+        SpaceDimensions,
+        ThrustSequence,
+    }
+
+    public enum AmbienceTrack {
+        None = -1,
+        Dark = 0,
+    }
+
+    enum Channel {
+        Music, Ambience, Count
+    }
+
+    public class MusicPlayer : MonoBehaviour {
+        private static MusicPlayer Singleton;
+        private static int SingletonSceneIndex;
+
+        [Header("Audio files")]
+        public AudioClip[] MusicClips;
+        public AudioClip[] AmbienceClips;
+
+        [Header("Other")]
+        public MusicChannelPlayer ChannelPlayerForMusic;
+        public MusicChannelPlayer ChannelPlayerForAmbience;
+        public MusicTrack DebugMusicTrack = MusicTrack.None;
+        public bool DebugSetMusicTrack = false;
+        public AmbienceTrack DebugAmbienceTrack = AmbienceTrack.None;
+        public bool DebugSetAmbienceTrack = false;
+
+        private MusicChannelPlayer[] Channels;
+
+        private void Start() {
+            int Index = SceneManager.GetActiveScene().buildIndex;
+            if (SingletonSceneIndex == Index) {
+                Debug.LogWarning($"The scene '{SceneManager.GetActiveScene().name}' has multiple MusicPlayers!\nOnly the last to run Start() will be used.");
+            }
+            SingletonSceneIndex = Index;
+            Singleton = this;
+
+            Channels = new MusicChannelPlayer[(int)Channel.Count];
+            Channels[(int)Channel.Music] = ChannelPlayerForMusic;
+            Channels[(int)Channel.Ambience] = ChannelPlayerForAmbience;
+        }
+
+        private void Update() {
+            ChannelPlayerForMusic.Volume = Options.MusicVolume;
+            ChannelPlayerForAmbience.Volume = Options.AmbienceVolume;
+
+            if (DebugSetMusicTrack) {
+                DebugSetMusicTrack = false;
+                SetMusicTrack(DebugMusicTrack, true);
+            }
+            if (DebugSetAmbienceTrack) {
+                DebugSetAmbienceTrack = false;
+                SetAmbienceTrack(DebugAmbienceTrack, true);
+            }
+        }
+
+        private void SetChannelTrack(Channel channel, AudioClip clip, bool fade) {
+            int channelIndex = (int)channel;
+            if (Channels[channelIndex].CurrentlyPlaying) {
+                Channels[channelIndex].FadingOut = fade;
+            }
+            if (clip != null) {
+                Channels[channelIndex].FadingIn = fade;
+                Channels[channelIndex].NextClip = clip;
+            }
+        }
+
+        public static void SetMusicTrack(MusicTrack track, bool fade) {
+            Singleton.SetChannelTrack(Channel.Music, track == MusicTrack.None ? null : Singleton.MusicClips[(int)track], fade);
+        }
+
+        public static void SetAmbienceTrack(AmbienceTrack track, bool fade) {
+            Singleton.SetChannelTrack(Channel.Ambience, track == AmbienceTrack.None ? null : Singleton.AmbienceClips[(int)track], fade);
+        }
+    }
+}

Assets/Scripts/Audio/MusicPlayer.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 2810ad0730404124180b61ba43becb4b
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Effects/DebrisLauncher.cs

@@ -1,6 +1,5 @@
-using System.Collections;
+using UnityEngine;
-using System.Collections.Generic;
+using UnityEngine.SceneManagement;
-using UnityEngine;
 using Saltosion.OneWeapon.Utils;
 
 namespace Saltosion.OneWeapon.Effects {
@@ -10,6 +9,8 @@ namespace Saltosion.OneWeapon.Effects {
 
     public class DebrisLauncher : MonoBehaviour {
         private static DebrisLauncher Singleton;
+        private static int SingletonSceneIndex;
+
         public GameObject StructuralParticlePrefab;
         public GameObject WoodParticlePrefab;
         public GameObject BloodParticlePrefab;
@@ -40,6 +41,11 @@ namespace Saltosion.OneWeapon.Effects {
         }
 
         private void Start() {
+            int Index = SceneManager.GetActiveScene().buildIndex;
+            if (SingletonSceneIndex == Index) {
+                Debug.LogWarning($"The scene '{SceneManager.GetActiveScene().name}' has multiple DebrisLaunchers!\nOnly the last to run Start() will be used.");
+            }
+            SingletonSceneIndex = Index;
             Singleton = this;
         }
 

Assets/Scripts/Utils/Options.cs

@@ -1,5 +1,7 @@
 namespace Saltosion.OneWeapon.Utils {
     public class Options {
         public static bool CensorGore = false;
+        public static float MusicVolume = 0.2f;
+        public static float AmbienceVolume = 0.1f;
     }
 }