first commit

2026-02-09 20:10:14 +08:00
commit 47a5cff08b
2638 changed files with 322636 additions and 0 deletions
--- a/Assets/AVProVideo/Extensions/VisualEffectGraph/ApplyToVfxGraph.cs
+++ b/Assets/AVProVideo/Extensions/VisualEffectGraph/ApplyToVfxGraph.cs
@@ -0,0 +1,152 @@
+// You need to define AVPRO_PACKAGE_VFXGRAPH manually to use this script
+// We could set up the asmdef to reference the package, but the package doesn't 
+// existing in Unity 2017 etc, and it throws an error due to missing reference
+//#define AVPRO_PACKAGE_VFXGRAPH
+#if (UNITY_2018_3_OR_NEWER && AVPRO_PACKAGE_VFXGRAPH)
+using UnityEngine;
+using UnityEngine.VFX;
+using RenderHeads.Media.AVProVideo;
+
+//-----------------------------------------------------------------------------
+// Copyright 2019-2021 RenderHeads Ltd.  All rights reserved.
+//-----------------------------------------------------------------------------
+
+namespace RenderHeads.Media.AVProVideo
+{
+	/// <summary>
+	/// Sets the texture from the MediaPlayer to a texture parameter in a VFX Graph
+	/// </summary>
+	[AddComponentMenu("AVPro Video/Apply To VFX Graph", 300)]
+	[HelpURL("http://renderheads.com/products/avpro-video/")]
+	public class ApplyToVfxGraph : MonoBehaviour
+	{
+		[Header("Media Source")]
+
+		[SerializeField] MediaPlayer _mediaPlayer = null;
+
+		[Tooltip("Default texture to display when the video texture is preparing")]
+		[SerializeField] Texture2D _defaultTexture = null;
+
+		[Space(8f)]
+		[Header("VFX Target")]
+
+		[SerializeField] VisualEffect _visualEffect = null;
+		[SerializeField] string _texturePropertyName = string.Empty;
+
+		public Texture2D DefaultTexture
+		{
+			get { return _defaultTexture; }
+			set { if (_defaultTexture != value) { _defaultTexture = value; _isDirty = true; } }
+		}
+
+		public VisualEffect VisualEffect
+		{
+			get { return _visualEffect; }
+			set { _visualEffect = value; _isDirty = true; }
+		}
+
+		public string TexturePropertyName
+		{
+			get { return _texturePropertyName; }
+			set { _texturePropertyName = value; _textureProp = Shader.PropertyToID(_texturePropertyName); _isDirty = true; }
+		}
+
+		public MediaPlayer MediaPlayer
+		{
+			get { return _mediaPlayer; }
+			set { ChangeMediaPlayer(value); }
+		}
+
+		private bool _isDirty = true;
+		private int _textureProp = 0;
+
+		void OnEnable()
+		{
+			// Force evaluations
+			TexturePropertyName = _texturePropertyName;
+			if (_mediaPlayer != null)
+			{
+				_mediaPlayer.Events.AddListener(OnMediaPlayerEvent);
+			}
+		}
+
+#if UNITY_EDITOR
+		void OnValidate()
+		{
+			_isDirty = true;
+		}
+#endif
+
+		void OnDisable()
+		{
+			if (_mediaPlayer != null)
+			{
+				_mediaPlayer.Events.RemoveListener(OnMediaPlayerEvent);
+			}
+		}
+
+		// Callback function to handle events
+		private void OnMediaPlayerEvent(MediaPlayer mp, MediaPlayerEvent.EventType et, ErrorCode errorCode)
+		{
+			switch (et)
+			{
+				case MediaPlayerEvent.EventType.FirstFrameReady:
+				case MediaPlayerEvent.EventType.PropertiesChanged:
+					ForceUpdate();
+					break;
+				case MediaPlayerEvent.EventType.Closing:
+					_isDirty = true;	// Allow the update to happen on the next frame, as the video is still closing
+					break;
+			}
+		}
+
+		private void ChangeMediaPlayer(MediaPlayer player)
+		{
+			if (_mediaPlayer != player)
+			{
+				if (_mediaPlayer != null)
+				{
+					_mediaPlayer.Events.RemoveListener(OnMediaPlayerEvent);
+				}
+				_mediaPlayer = player;
+				if (_mediaPlayer != null)
+				{
+					_mediaPlayer.Events.AddListener(OnMediaPlayerEvent);
+				}
+				_isDirty = true;
+			}
+		}
+
+		public void ForceUpdate()
+		{
+			_isDirty = true;
+			LateUpdate();
+		}
+
+		void LateUpdate()
+		{
+			if (_isDirty)
+			{
+				ApplyMapping();
+			}
+		}
+
+		private void ApplyMapping()
+		{
+			if (_visualEffect != null && !string.IsNullOrEmpty(_texturePropertyName))
+			{
+				if (_mediaPlayer != null && _mediaPlayer.TextureProducer != null && _mediaPlayer.TextureProducer.GetTexture() != null)
+				{
+					_visualEffect.SetTexture(_textureProp, _mediaPlayer.TextureProducer.GetTexture());
+					_isDirty = false;
+				}
+				else if (_defaultTexture != null)
+				{
+					_visualEffect.SetTexture(_textureProp, _defaultTexture);
+					_isDirty = false;
+				}
+			}
+		}
+	}
+}
+#endif