【a】可视化剧本编辑器 10.StoryEditor

Assets/10.StoryEditor/RunTime/Player/ScriptPlayer.cs

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+using System;
+using System.Threading;
+using Cysharp.Threading.Tasks;
+using DG.Tweening;
+using Newtonsoft.Json;
+using UnityEngine;
+
+namespace Stary.Evo.StoryEditor
+{
+    /// <summary>
+    /// 剧本播放器
+    /// </summary>
+    public static class ScriptPlayer
+    {
+        /// <summary>
+        /// 资源加载工具
+        /// </summary>
+        private static IResource _loader;
+
+        /// <summary>
+        /// 动画单次时长
+        /// </summary>
+        private const float AnimationTime = 0.2f;
+        
+        /// <summary>
+        /// 字幕组件
+        /// </summary>
+        private static SpriteRenderer _caption;
+        /// <summary>
+        /// 音频组件
+        /// </summary>
+        private static AudioSource _audio;
+        
+        /// <summary>
+        /// 当前执行的剧本
+        /// </summary>
+        private static GraphPlayer _graph;
+
+        /// <summary>
+        /// 初始化剧本播放器
+        /// </summary>
+        /// <param name="loader">资源加载工具</param>
+        /// <param name="audio">音频组件</param>
+        /// <param name="caption">字幕组件</param>
+        public static void Init(IResource loader, AudioSource audio = null, SpriteRenderer caption = null)
+        {
+            _loader = loader;
+            _caption = caption;
+            _audio = audio;
+        }
+
+        /// <summary>
+        /// 释放资源
+        /// </summary>
+        public static void Release()
+        {
+            _loader = null;
+            _caption = null;
+            _audio = null;
+            Resources.UnloadUnusedAssets();
+        }
+        
+        /// <summary>
+        /// 播放剧本
+        /// </summary>
+        /// <param name="packageID">包体ID</param>
+        /// <param name="scriptName">剧本名称（不用加_txt后缀）</param>
+        public static async UniTask Play(string packageID, string scriptName)
+        {
+            // 资源加载工具排空
+            if (_loader == null)
+            {
+                Debug.LogError("资源加载工具未准备好");
+                return;
+            }
+
+            // 加载剧本
+            ResourcePathData path = new(packageID,scriptName);
+            var json = await _loader.Load<TextAsset>(path);
+            var scriptData = JsonConvert.DeserializeObject<GraphData>(json.text, new JsonSerializerSettings() { TypeNameHandling = TypeNameHandling.All });
+            if (scriptData == null)
+            {
+                Debug.LogError($"剧本加载失败：[{path.packageID}]{path.path}");
+                return;
+            }
+            
+            // 解析并执行剧本
+            _graph = new(scriptData, _loader);
+            await _graph.Execute();
+        }
+
+        /// <summary>
+        /// 播放剧本段落
+        /// </summary>
+        /// <param name="para">段落数据</param>
+        /// <param name="ct">CT</param>
+        public static async UniTask PlayScriptPara(ScriptParagraphNodePlayer para, CancellationToken ct)
+        {
+            // 设置变量
+            if (_caption)
+                _caption.sprite = await _loader.Load<Sprite>(para.CaptionPath);
+            if (_audio)
+                _audio.clip = await _loader.Load<AudioClip>(para.AudioPath);
+
+            // 淡入
+            _caption?.DOColor(Color.white, AnimationTime);
+            _audio?.DOFade(1, AnimationTime);
+            await UniTask.Delay(TimeSpan.FromSeconds(AnimationTime), cancellationToken:ct);
+
+            // 等音频播放完
+            if (_audio)
+            {
+                _audio.Play();
+                await UniTask.Delay(TimeSpan.FromSeconds(_audio.clip.length), cancellationToken:ct);
+            }
+
+            // 淡出
+            _caption?.DOColor(Color.clear, AnimationTime);
+            _audio?.DOFade(0, AnimationTime);
+            await UniTask.Delay(TimeSpan.FromSeconds(AnimationTime), cancellationToken:ct);
+        }
+
+        /// <summary>
+        /// 停止剧本
+        /// </summary>
+        public static async UniTask Stop()
+        {
+           _graph.Stop();
+
+           var hasAnim = false;
+           if (_caption && _caption.color != Color.clear)
+           {
+               _caption?.DOColor(Color.clear, AnimationTime);
+               hasAnim = true;
+           }
+           if (_audio && _audio.volume > 0)
+           {
+               _audio?.DOFade(0, AnimationTime);
+               hasAnim = true;
+           }
+           if(hasAnim)
+               await UniTask.Delay(TimeSpan.FromSeconds(AnimationTime));
+
+           ReleaseGraph();
+        }
+
+        public static void ReleaseGraph() => _graph = null;
+    }
+}