Audio volume setting (#394)

Volume setting for audio volumes

NewHorizons/Builder/Volumes/AudioVolumeBuilder.cs

@@ -46,6 +46,7 @@ namespace NewHorizons.Builder.Volumes
             var owAudioSource = go.AddComponent<OWAudioSource>();
             owAudioSource._audioSource = audioSource;
             owAudioSource.loop = info.loop;
+            owAudioSource.SetMaxVolume(info.volume);
             owAudioSource.SetTrack((OWAudioMixer.TrackName)Enum.Parse(typeof(OWAudioMixer.TrackName), Enum.GetName(typeof(AudioMixerTrackName), info.track)));
             AudioUtilities.SetAudioClip(owAudioSource, info.audio, mod);
 

NewHorizons/External/Modules/VolumesModule.cs

@@ -4,6 +4,7 @@ using Newtonsoft.Json.Converters;
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
+using System.ComponentModel.DataAnnotations;
 using System.Linq;
 using System.Runtime.Serialization;
 using System.Text;
@@ -134,6 +135,13 @@ namespace NewHorizons.External.Modules
             /// Whether to loop this audio while in this audio volume or just play it once
             /// </summary>
             [DefaultValue(true)] public bool loop = true;
+
+            /// <summary>
+            /// The loudness of the audio
+            /// </summary>
+            [Range(0f, 1f)]
+            [DefaultValue(1f)]
+            public float volume = 1f;
         }
 
         [JsonObject]

NewHorizons/Schemas/body_schema.json

@@ -2501,6 +2501,14 @@
           "type": "boolean",
           "description": "Whether to loop this audio while in this audio volume or just play it once",
           "default": true
+        },
+        "volume": {
+          "type": "number",
+          "description": "The loudness of the audio",
+          "format": "float",
+          "default": 1.0,
+          "maximum": 1.0,
+          "minimum": 0.0
         }
       }
     },