From a6f27b127440825aa794a6744e1c0a7d2c6431ed Mon Sep 17 00:00:00 2001
From: Junrou Nishida <homuler@users.noreply.github.com>
Date: Thu, 12 May 2022 13:53:06 +0900
Subject: [PATCH] fix(plugin): preserve Packet constructors for Reflection
 (#561)

---
 .../Runtime/Scripts/Framework/Packet/Anchor3dVectorPacket.cs     | 1 +
 .../Runtime/Scripts/Framework/Packet/BoolPacket.cs               | 1 +
 .../Runtime/Scripts/Framework/Packet/ClassificationListPacket.cs | 1 +
 .../Scripts/Framework/Packet/ClassificationListVectorPacket.cs   | 1 +
 .../Runtime/Scripts/Framework/Packet/DetectionPacket.cs          | 1 +
 .../Runtime/Scripts/Framework/Packet/DetectionVectorPacket.cs    | 1 +
 .../Runtime/Scripts/Framework/Packet/FaceGeometryPacket.cs       | 1 +
 .../Runtime/Scripts/Framework/Packet/FaceGeometryVectorPacket.cs | 1 +
 .../Runtime/Scripts/Framework/Packet/FloatArrayPacket.cs         | 1 +
 .../Runtime/Scripts/Framework/Packet/FloatPacket.cs              | 1 +
 .../Runtime/Scripts/Framework/Packet/FrameAnnotationPacket.cs    | 1 +
 .../Runtime/Scripts/Framework/Packet/GpuBufferPacket.cs          | 1 +
 .../Runtime/Scripts/Framework/Packet/ImageFramePacket.cs         | 1 +
 .../Runtime/Scripts/Framework/Packet/IntPacket.cs                | 1 +
 .../Runtime/Scripts/Framework/Packet/LandmarkListPacket.cs       | 1 +
 .../Runtime/Scripts/Framework/Packet/LandmarkListVectorPacket.cs | 1 +
 .../Scripts/Framework/Packet/NormalizedLandmarkListPacket.cs     | 1 +
 .../Framework/Packet/NormalizedLandmarkListVectorPacket.cs       | 1 +
 .../Runtime/Scripts/Framework/Packet/NormalizedRectPacket.cs     | 1 +
 .../Scripts/Framework/Packet/NormalizedRectVectorPacket.cs       | 1 +
 .../Runtime/Scripts/Framework/Packet/RectPacket.cs               | 1 +
 .../Runtime/Scripts/Framework/Packet/RectVectorPacket.cs         | 1 +
 .../Runtime/Scripts/Framework/Packet/StringPacket.cs             | 1 +
 .../Scripts/Framework/Packet/TimedModelMatrixProtoListPacket.cs  | 1 +
 24 files changed, 24 insertions(+)

diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/Anchor3dVectorPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/Anchor3dVectorPacket.cs
index d25eeb4d9..3ad89afa0 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/Anchor3dVectorPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/Anchor3dVectorPacket.cs
@@ -16,6 +16,7 @@ public class Anchor3dVectorPacket : Packet<List<Anchor3d>>
     /// </summary>
     public Anchor3dVectorPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public Anchor3dVectorPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public Anchor3dVectorPacket(Anchor3d[] value) : base()
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/BoolPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/BoolPacket.cs
index 9e08f637b..ed1c2c812 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/BoolPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/BoolPacket.cs
@@ -15,6 +15,7 @@ public class BoolPacket : Packet<bool>
     /// </summary>
     public BoolPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public BoolPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public BoolPacket(bool value) : base()
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ClassificationListPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ClassificationListPacket.cs
index 4982ba170..bfc56211d 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ClassificationListPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ClassificationListPacket.cs
@@ -15,6 +15,7 @@ public class ClassificationListPacket : Packet<ClassificationList>
     /// </summary>
     public ClassificationListPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public ClassificationListPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public ClassificationListPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ClassificationListVectorPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ClassificationListVectorPacket.cs
index 1c051d5d2..1e7a55a72 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ClassificationListVectorPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ClassificationListVectorPacket.cs
@@ -16,6 +16,7 @@ public class ClassificationListVectorPacket : Packet<List<ClassificationList>>
     /// </summary>
     public ClassificationListVectorPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public ClassificationListVectorPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public ClassificationListVectorPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/DetectionPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/DetectionPacket.cs
index b0a915a2d..9550a75e8 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/DetectionPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/DetectionPacket.cs
@@ -15,6 +15,7 @@ public class DetectionPacket : Packet<Detection>
     /// </summary>
     public DetectionPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public DetectionPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public DetectionPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/DetectionVectorPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/DetectionVectorPacket.cs
index f2f43750b..d69b5a572 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/DetectionVectorPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/DetectionVectorPacket.cs
@@ -16,6 +16,7 @@ public class DetectionVectorPacket : Packet<List<Detection>>
     /// </summary>
     public DetectionVectorPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public DetectionVectorPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public DetectionVectorPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FaceGeometryPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FaceGeometryPacket.cs
index ddd65db59..3f7a91523 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FaceGeometryPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FaceGeometryPacket.cs
@@ -15,6 +15,7 @@ public class FaceGeometryPacket : Packet<FaceGeometry.FaceGeometry>
     /// </summary>
     public FaceGeometryPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public FaceGeometryPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public FaceGeometryPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FaceGeometryVectorPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FaceGeometryVectorPacket.cs
index 529d63347..ae83a5e99 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FaceGeometryVectorPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FaceGeometryVectorPacket.cs
@@ -16,6 +16,7 @@ public class FaceGeometryVectorPacket : Packet<List<FaceGeometry.FaceGeometry>>
     /// </summary>
     public FaceGeometryVectorPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public FaceGeometryVectorPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public FaceGeometryVectorPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FloatArrayPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FloatArrayPacket.cs
index 019705874..1b7f4bd80 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FloatArrayPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FloatArrayPacket.cs
@@ -31,6 +31,7 @@ public int length
     /// </summary>
     public FloatArrayPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public FloatArrayPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public FloatArrayPacket(float[] value) : base()
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FloatPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FloatPacket.cs
index 18f3aa026..cc19ca3ac 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FloatPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FloatPacket.cs
@@ -15,6 +15,7 @@ public class FloatPacket : Packet<float>
     /// </summary>
     public FloatPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public FloatPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public FloatPacket(float value) : base()
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FrameAnnotationPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FrameAnnotationPacket.cs
index 7821825c3..0e23b5dd0 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FrameAnnotationPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/FrameAnnotationPacket.cs
@@ -15,6 +15,7 @@ public class FrameAnnotationPacket : Packet<FrameAnnotation>
     /// </summary>
     public FrameAnnotationPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public FrameAnnotationPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public FrameAnnotationPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/GpuBufferPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/GpuBufferPacket.cs
index 8230166d6..7308ca174 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/GpuBufferPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/GpuBufferPacket.cs
@@ -15,6 +15,7 @@ public class GpuBufferPacket : Packet<GpuBuffer>
     /// </summary>
     public GpuBufferPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public GpuBufferPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public GpuBufferPacket(GpuBuffer gpuBuffer) : base()
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ImageFramePacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ImageFramePacket.cs
index 69ce9e4aa..7f0193357 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ImageFramePacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/ImageFramePacket.cs
@@ -15,6 +15,7 @@ public class ImageFramePacket : Packet<ImageFrame>
     /// </summary>
     public ImageFramePacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public ImageFramePacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public ImageFramePacket(ImageFrame imageFrame) : base()
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/IntPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/IntPacket.cs
index df703144b..8490cb923 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/IntPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/IntPacket.cs
@@ -15,6 +15,7 @@ public class IntPacket : Packet<int>
     /// </summary>
     public IntPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public IntPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public IntPacket(int value) : base()
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/LandmarkListPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/LandmarkListPacket.cs
index 39d52200e..4ec0fc166 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/LandmarkListPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/LandmarkListPacket.cs
@@ -15,6 +15,7 @@ public class LandmarkListPacket : Packet<LandmarkList>
     /// </summary>
     public LandmarkListPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public LandmarkListPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public LandmarkListPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/LandmarkListVectorPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/LandmarkListVectorPacket.cs
index 49b92f726..9225cf248 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/LandmarkListVectorPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/LandmarkListVectorPacket.cs
@@ -16,6 +16,7 @@ public class LandmarkListVectorPacket : Packet<List<LandmarkList>>
     /// </summary>
     public LandmarkListVectorPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public LandmarkListVectorPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public LandmarkListVectorPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedLandmarkListPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedLandmarkListPacket.cs
index 10048e8e5..a9c46d87d 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedLandmarkListPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedLandmarkListPacket.cs
@@ -15,6 +15,7 @@ public class NormalizedLandmarkListPacket : Packet<NormalizedLandmarkList>
     /// </summary>
     public NormalizedLandmarkListPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public NormalizedLandmarkListPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public NormalizedLandmarkListPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedLandmarkListVectorPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedLandmarkListVectorPacket.cs
index 1e643003f..001a8d22a 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedLandmarkListVectorPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedLandmarkListVectorPacket.cs
@@ -16,6 +16,7 @@ public class NormalizedLandmarkListVectorPacket : Packet<List<NormalizedLandmark
     /// </summary>
     public NormalizedLandmarkListVectorPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public NormalizedLandmarkListVectorPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public NormalizedLandmarkListVectorPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedRectPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedRectPacket.cs
index 56647559e..9ea0c1d80 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedRectPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedRectPacket.cs
@@ -15,6 +15,7 @@ public class NormalizedRectPacket : Packet<NormalizedRect>
     /// </summary>
     public NormalizedRectPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public NormalizedRectPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public NormalizedRectPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedRectVectorPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedRectVectorPacket.cs
index dd5f1d896..f76eaf9b3 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedRectVectorPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/NormalizedRectVectorPacket.cs
@@ -16,6 +16,7 @@ public class NormalizedRectVectorPacket : Packet<List<NormalizedRect>>
     /// </summary>
     public NormalizedRectVectorPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public NormalizedRectVectorPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public NormalizedRectVectorPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/RectPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/RectPacket.cs
index febbbca49..dba692422 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/RectPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/RectPacket.cs
@@ -15,6 +15,7 @@ public class RectPacket : Packet<Rect>
     /// </summary>
     public RectPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public RectPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public RectPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/RectVectorPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/RectVectorPacket.cs
index 1e727ebd7..0f933ea0a 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/RectVectorPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/RectVectorPacket.cs
@@ -16,6 +16,7 @@ public class RectVectorPacket : Packet<List<Rect>>
     /// </summary>
     public RectVectorPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public RectVectorPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public RectVectorPacket At(Timestamp timestamp)
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/StringPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/StringPacket.cs
index e7d879e4b..b2032763e 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/StringPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/StringPacket.cs
@@ -16,6 +16,7 @@ public class StringPacket : Packet<string>
     /// </summary>
     public StringPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public StringPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public StringPacket(string value) : base()
diff --git a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/TimedModelMatrixProtoListPacket.cs b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/TimedModelMatrixProtoListPacket.cs
index aafeac1a7..17f9f671a 100644
--- a/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/TimedModelMatrixProtoListPacket.cs
+++ b/Packages/com.github.homuler.mediapipe/Runtime/Scripts/Framework/Packet/TimedModelMatrixProtoListPacket.cs
@@ -15,6 +15,7 @@ public class TimedModelMatrixProtoListPacket : Packet<TimedModelMatrixProtoList>
     /// </summary>
     public TimedModelMatrixProtoListPacket() : base(true) { }
 
+    [UnityEngine.Scripting.Preserve]
     public TimedModelMatrixProtoListPacket(IntPtr ptr, bool isOwner = true) : base(ptr, isOwner) { }
 
     public TimedModelMatrixProtoListPacket At(Timestamp timestamp)