Add pitch variations (#874)

Content.Server/GameObjects/Components/Sound/EmitSoundOnUseComponent.cs

@@ -0,0 +1,44 @@
+using Content.Server.GameObjects.EntitySystems;
+using Content.Shared.Audio;
+using Robust.Shared.Audio;
+using Robust.Shared.GameObjects;
+using Robust.Shared.Serialization;
+
+namespace Content.Server.GameObjects.Components.Sound
+{
+    /// <summary>
+    /// Simple sound emitter that emits sound on use in hand
+    /// </summary>
+    [RegisterComponent]
+    public class EmitSoundOnUseComponent : Component, IUse
+    {
+        /// <inheritdoc />
+        ///
+        public override string Name => "EmitSoundOnUse";
+
+        public string _soundName;
+        public float _pitchVariation;
+
+        public override void ExposeData(ObjectSerializer serializer)
+        {
+            base.ExposeData(serializer);
+            serializer.DataField(ref _soundName, "sound", string.Empty);
+            serializer.DataField(ref _pitchVariation, "variation", 0.0f);
+        }
+
+        bool IUse.UseEntity(UseEntityEventArgs eventArgs)
+        {
+            if (!string.IsNullOrWhiteSpace(_soundName))
+            {
+                if (_pitchVariation > 0.0)
+                {
+                    Owner.GetComponent<SoundComponent>().Play(_soundName, AudioHelpers.WithVariation(_pitchVariation).WithVolume(-2f));
+                    return true;
+                }
+                Owner.GetComponent<SoundComponent>().Play(_soundName, AudioParams.Default.WithVolume(-2f));
+                return true;
+            }
+            return false;
+        }
+    }
+}