Fix video interaction volume buttons

Assets/Scripts/InteractionPanels/VideoPanel.cs

@@ -3,6 +3,7 @@
 using UnityEngine.Audio;
 using UnityEngine.UI;
 using UnityEngine.Video;
+using UnityEngine.XR;
 
 public class VideoPanel : MonoBehaviour
 {
@@ -24,6 +25,9 @@ public class VideoPanel : MonoBehaviour
 	public AudioMixer mixer;
 	public AudioMixerGroup mixerGroup;
 
+	private Controller controllerLeft;
+	private Controller controllerRight;
+
 	private bool volumeChanging;
 	private bool increaseButtonPressed;
 	private bool decreaseButtonPressed;
@@ -66,6 +70,12 @@ public void Init(string newTitle, string fullPath)
 			increaseVolumeButton.onClick.AddListener(IncreaseVolume);
 		}
 
+		if (XRSettings.enabled)
+		{
+			controllerLeft = GameObject.Find("LeftHand").GetComponentInChildren<Controller>();
+			controllerRight = GameObject.Find("RightHand").GetComponentInChildren<Controller>();
+		}
+
 		volumeSlider.onValueChanged.AddListener( _ => VolumeValueChanged());
 		mixer.SetFloat(Config.videoInteractionMixerChannelName, MathHelper.LinearToLogVolume(Config.VideoInteractionVolume));
 		volumeSlider.value = Config.VideoInteractionVolume;
@@ -147,6 +157,16 @@ public void VolumeValueChanged()
 
 	private void CheckButtonStates()
 	{
+		if (XRSettings.enabled
+			&& controllerLeft != null && controllerRight != null
+			&& !(controllerLeft.triggerDown || controllerRight.triggerDown) && (increaseButtonPressed || decreaseButtonPressed))
+		{
+			increaseButtonPressed = false;
+			decreaseButtonPressed = false;
+			increaseVolumeButton.enabled = false;
+			decreaseVolumeButton.enabled = false;
+		}
+
 		if (increaseButtonPressed)
 		{
 			//NOTE(Simon): When button is down, immediately change volume