Test_ShaderGraphBlog/Assets/Unity Recorder/Editor/Timeline/RecorderClip.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using UnityEngine;
using UnityEngine.Playables;
using UnityEngine.Timeline;

namespace UnityEditor.Recorder.Timeline
{
    [DisplayName("Recorder Clip")]
    public class RecorderClip : PlayableAsset, ITimelineClipAsset, ISerializationCallbackReceiver
    {
        [SerializeField]
        public RecorderSettings settings;

        internal bool needsDuplication;
        
        static readonly Dictionary<RecorderSettings, RecorderClip> s_SettingsLookup = new Dictionary<RecorderSettings, RecorderClip>();

        readonly SceneHook m_SceneHook = new SceneHook(Guid.NewGuid().ToString());

        Type recorderType
        {
            get { return settings == null ? null : RecordersInventory.GetRecorderInfo(settings.GetType()).recorderType; }
        }

        public ClipCaps clipCaps
        {
            get { return ClipCaps.None; }
        }

        public override Playable CreatePlayable(PlayableGraph graph, GameObject owner)
        {
            var playable = ScriptPlayable<RecorderPlayableBehaviour>.Create(graph);
            var behaviour = playable.GetBehaviour();
            if (recorderType != null && UnityHelpers.IsPlaying())
            {
                behaviour.session = m_SceneHook.CreateRecorderSession(settings);
            }
            return playable;
        }

        public void OnDestroy()
        {
            UnityHelpers.Destroy(settings, true);
        }

        public void OnBeforeSerialize()
        {
            if (settings != null)
            {
                RecorderClip clip;
                if (s_SettingsLookup.TryGetValue(settings, out clip))
                {
                    if (clip != this)
                    {
                        // Duplicate detected. Fix it
                        needsDuplication = true;
                    }
                }
                else
                {
                    s_SettingsLookup[settings] = this;
                }
            }
        }

        public void OnAfterDeserialize()
        {
            // Nothing
        }
    }
}