Initial Commit

2025-07-04 20:33:06 +03:00
commit 8f09347ae0
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+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ * All rights reserved.
+ *
+ * Licensed under the Oculus SDK License Agreement (the "License");
+ * you may not use the Oculus SDK except in compliance with the License,
+ * which is provided at the time of installation or download, or which
+ * otherwise accompanies this software in either electronic or hard copy form.
+ *
+ * You may obtain a copy of the License at
+ *
+ * https://developer.oculus.com/licenses/oculussdk/
+ *
+ * Unless required by applicable law or agreed to in writing, the Oculus SDK
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using Meta.WitAi;
+using Meta.WitAi.Json;
+using Meta.WitAi.Requests;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Oculus.VoiceSDK.UX
+{
+    [RequireComponent(typeof(Text))] [ExecuteInEditMode]
+    public class VoiceTranscriptionLabel : MonoBehaviour
+    {
+        // The label to be updated
+        public Text Label
+        {
+            get
+            {
+                if (_label == null)
+                {
+                    _label = gameObject.GetComponent<Text>();
+                }
+                return _label;
+            }
+        }
+        private Text _label;
+
+        [Header("Listen Settings")]
+        [Tooltip("Various voice services to be observed")]
+        [SerializeField] private VoiceService[] _voiceServices;
+        [Tooltip("Text color while receiving text")]
+        [SerializeField] private Color _transcriptionColor = Color.black;
+
+        [Header("Prompt Settings")]
+        [Tooltip("Color to be used for prompt text")]
+        [SerializeField] private Color _promptColor = new Color(0.2f, 0.2f, 0.2f);
+        [Tooltip("Prompt text that displays while listening but prior to completion")]
+        [SerializeField] private string _promptDefault = "Press activate to begin listening";
+        [Tooltip("Prompt text that displays while listening but prior to completion")]
+        [SerializeField] private string _promptListening = "Listening...";
+
+        [Header("Error Settings")]
+        [Tooltip("Color to be used for error text")]
+        [SerializeField] private Color _errorColor = new Color(0.8f, 0.2f, 0.2f);
+
+        // If none found, grab all voice services
+        private void Awake()
+        {
+            if (_voiceServices == null || _voiceServices.Length == 0)
+            {
+                _voiceServices = FindObjectsOfType<VoiceService>();
+            }
+        }
+
+        // Add service delegates
+        private void OnEnable()
+        {
+            if (_voiceServices != null)
+            {
+                foreach (var service in _voiceServices)
+                {
+                    service.VoiceEvents.OnStartListening.AddListener(OnStartListening);
+                    service.VoiceEvents.OnPartialTranscription.AddListener(OnTranscriptionChange);
+                    service.VoiceEvents.OnFullTranscription.AddListener(OnTranscriptionChange);
+                    service.VoiceEvents.OnError.AddListener(OnError);
+                    service.VoiceEvents.OnComplete.AddListener(OnComplete);
+                }
+            }
+        }
+        // Remove service delegates
+        private void OnDisable()
+        {
+            if (_voiceServices != null)
+            {
+                foreach (var service in _voiceServices)
+                {
+                    service.VoiceEvents.OnStartListening.RemoveListener(OnStartListening);
+                    service.VoiceEvents.OnPartialTranscription.RemoveListener(OnTranscriptionChange);
+                    service.VoiceEvents.OnFullTranscription.RemoveListener(OnTranscriptionChange);
+                    service.VoiceEvents.OnError.RemoveListener(OnError);
+                    service.VoiceEvents.OnComplete.RemoveListener(OnComplete);
+                }
+            }
+        }
+
+        #if UNITY_EDITOR
+        // Refresh prompt
+        private void Update()
+        {
+            if (!Application.isPlaying)
+            {
+                SetText(_promptDefault, _promptColor);
+            }
+        }
+        #endif
+
+        // Set listening
+        private void OnStartListening()
+        {
+            SetText(_promptListening, _promptColor);
+        }
+        // Set text change
+        private void OnTranscriptionChange(string text)
+        {
+            SetText(text, _transcriptionColor);
+        }
+        // Apply error
+        private void OnError(string status, string error)
+        {
+            SetText($"[{status}] {error}", _errorColor);
+        }
+        // If no text came through, show prompt
+        private void OnComplete(VoiceServiceRequest request)
+        {
+            if (Label != null && string.Equals(Label?.text, _promptListening))
+            {
+                SetText(_promptDefault, _promptColor);
+            }
+        }
+
+        // Refresh text
+        private void SetText(string newText, Color newColor)
+        {
+            // Ignore if same
+            if (Label == null || string.Equals(newText, Label.text) && newColor == Label.color)
+            {
+                return;
+            }
+
+            // Apply text & color
+            _label.text = newText;
+            _label.color = newColor;
+        }
+    }
+}