[VFX] Fix Mouse Event Binder in player

TestProjects/VisualEffectGraph_HDRP/Packages/manifest.json

@@ -2,6 +2,7 @@
     "dependencies": {
         "com.unity.ide.visualstudio": "2.0.2",
         "com.unity.ide.vscode": "1.1.3",
+        "com.unity.inputsystem": "1.0.2",
         "com.unity.render-pipelines.core": "file:../../../com.unity.render-pipelines.core",
         "com.unity.render-pipelines.high-definition": "file:../../../com.unity.render-pipelines.high-definition",
         "com.unity.render-pipelines.high-definition-config": "file:../../../com.unity.render-pipelines.high-definition-config",
@@ -51,7 +52,7 @@
         "com.unity.testing.visualeffectgraph",
         "com.unity.testing.xr",
         "com.unity.render-pipelines.visualeffectgraph",
-		"com.unity.testframework.graphics",
-		"com.unity.testing.graphics-performance"
+        "com.unity.testframework.graphics",
+        "com.unity.testing.graphics-performance"
     ]
 }

TestProjects/VisualEffectGraph_HDRP/ProjectSettings/ProjectSettings.asset

@@ -662,6 +662,7 @@ PlayerSettings:
     m_VersionCode: 1
     m_VersionName: 
   apiCompatibilityLevel: 6
+  activeInputHandler: 2
   cloudProjectId: 
   framebufferDepthMemorylessMode: 0
   projectName: 

com.unity.visualeffectgraph/CHANGELOG.md

@@ -6,13 +6,16 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [12.0.0] - 2021-01-11
 
+### Fixed
+- VFXEventBinderBase throwing a null reference exception in runtime
+- Unexpected compilation warning in VFXMouseBinder [Case 1313003](https://issuetracker.unity3d.com/product/unity/issues/guid/1313003/)
+
 ### Changed
 - Move Assets/Create/Visual Effects/Visual Effect Graph to Assets/Create/VFX/VFX Graph
 - Move Assets/Create/Visual Effects/Visual Effect Defaults to Assets/Create/VFX/VFX Defaults
 - Move Assets/Create/Visual Effects/Visual Effect Subgraph Operator to Assets/Create/VFX/VFX Subgraph Operator
 - Move Assets/Create/Visual Effects/Visual Effect Subgraph Block to Assets/Create/VFX/VFX Subgraph Block
 
-
 ## [11.0.0] - 2020-10-21
 
 ### Added
@@ -34,6 +37,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fix [Case 1290493](https://fogbugz.unity3d.com/f/cases/1290493/#BugEvent.1072735759)
 - Incorrect path on Linux while targetting Android, IOS or WebGL [Case 1279750](https://issuetracker.unity3d.com/product/unity/issues/guid/1279750/)
 
+
 ## [10.2.0] - 2020-10-19
 ### Added
 - Warning using Depth Collision on unsupported scriptable render pipeline.

com.unity.visualeffectgraph/Runtime/Utilities/EventBinding/Implementation/VFXMouseEventBinder.cs

@@ -95,8 +95,10 @@ void RayCastAndTriggerEvent(System.Action trigger)
                 trigger();
         }
 
-        void OnEnable()
+        protected override void OnEnable()
         {
+            base.OnEnable();
+
             mouseDown.Enable();
             mouseUp.Enable();
             mouseDragStart.Enable();

com.unity.visualeffectgraph/Runtime/Utilities/EventBinding/VFXEventBinderBase.cs

@@ -13,7 +13,17 @@ abstract class VFXEventBinderBase : MonoBehaviour
         [SerializeField, HideInInspector]
         protected VFXEventAttribute eventAttribute;
 
+        protected virtual void OnEnable()
+        {
+            UpdateCacheEventAttribute();
+        }
+
         private void OnValidate()
+        {
+            UpdateCacheEventAttribute();
+        }
+
+        private void UpdateCacheEventAttribute()
         {
             if (target != null)
                 eventAttribute = target.CreateVFXEventAttribute();