Skip to content

ArgumentNullException & NullReferenceException in GameManager.cs #2

@Brainversation

Description

@Brainversation

Hello,

First of all thank you for this project and the video, very helpful for getting into DOTS.

Just a heads up, I am using different versions on Unity (2019.3.2f1) and the other packages (attached image) needed for this project.

Now for the issue:

In GameManager when I call
GameObjectConversionSettings settings = GameObjectConversionSettings.FromWorld( World.DefaultGameObjectInjectionWorld, null ); ballEntityPrefab = GameObjectConversionUtility.ConvertGameObjectHierarchy( ballPrefab, settings );
I get multiple errors on the second line. It seems it has to do with leaving the second argument in the FromWorld function null.

I have attached an image and text of the errors below.

Thanks in advance!

image

image

image

ArgumentNullException: A valid BlobAssetStore must be passed to construct a BlobAssetComputationContext
Parameter name: blobAssetStore
Unity.Entities.BlobAssetComputationContext`2[TS,TB]..ctor (Unity.Entities.BlobAssetStore blobAssetStore, System.Int32 initialCapacity, Unity.Collections.Allocator allocator) (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities.Hybrid/GameObjectConversion/BlobAssetComputationContext.cs:32)
Unity.Physics.Authoring.BeginColliderConversionSystem.OnUpdate () (at Library/PackageCache/com.unity.physics@0.3.1-preview/Unity.Physics.Hybrid/Conversion/BeginColliderConversionSystem.cs:20)
Unity.Entities.ComponentSystem.Update () (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/ComponentSystem.cs:108)
Unity.Entities.ComponentSystemGroup.UpdateAllSystems () (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/ComponentSystemGroup.cs:134)
UnityEngine.DebugLogHandler:LogException(Exception, Object)
Unity.Entities.Conversion.JournalingUnityLogger:LogException(Exception, Object) (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities.Hybrid/GameObjectConversion/JournalingUnityLogger.cs:50)
UnityEngine.Debug:LogException(Exception)
Unity.Debug:LogException(Exception) (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/Stubs/Unity/Debug.cs:19)
Unity.Entities.ComponentSystemGroup:UpdateAllSystems() (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/ComponentSystemGroup.cs:138)
Unity.Entities.ComponentSystemGroup:OnUpdate() (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/ComponentSystemGroup.cs:114)
Unity.Entities.ComponentSystem:Update() (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/ComponentSystem.cs:108)
Unity.Entities.GameObjectConversionUtility:Convert(World) (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities.Hybrid/GameObjectConversion/GameObjectConversionUtility.cs:146)
Unity.Entities.GameObjectConversionUtility:ConvertGameObjectHierarchy(GameObject, GameObjectConversionSettings) (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities.Hybrid/GameObjectConversion/GameObjectConversionUtility.cs:233)
GameManager:Awake() (at Assets/Scripts/GameManager.cs:41)

NullReferenceException: Object reference not set to an instance of an object
Unity.Collections.LowLevel.Unsafe.AtomicSafetyHandle.CheckReadAndThrow (Unity.Collections.LowLevel.Unsafe.AtomicSafetyHandle handle) (at <94c5f4c38cdc42d2b006f8badef04394>:0)
Unity.Collections.NativeHashMap2[TKey,TValue].ContainsKey (TKey key) (at Library/PackageCache/com.unity.collections@0.7.0-preview.2/Unity.Collections/NativeHashMap.cs:242) Unity.Entities.BlobAssetComputationContext2[TS,TB].NeedToComputeBlobAsset (Unity.Entities.Hash128 hash) (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities.Hybrid/GameObjectConversion/BlobAssetComputationContext.cs:97)
Unity.Physics.Authoring.BaseShapeConversionSystem1[T].GetInputDataFromAuthoringComponent (T shape) (at Library/PackageCache/com.unity.physics@0.3.1-preview/Unity.Physics.Hybrid/Conversion/BaseShapeConversionSystem.cs:58) Unity.Physics.Authoring.BaseShapeConversionSystem1[T].OnUpdate () (at Library/PackageCache/com.unity.physics@0.3.1-preview/Unity.Physics.Hybrid/Conversion/BaseShapeConversionSystem.cs:146)
Unity.Entities.ComponentSystem.Update () (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/ComponentSystem.cs:108)
Unity.Entities.ComponentSystemGroup.UpdateAllSystems () (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/ComponentSystemGroup.cs:134)
UnityEngine.DebugLogHandler:LogException(Exception, Object)
Unity.Entities.Conversion.JournalingUnityLogger:LogException(Exception, Object) (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities.Hybrid/GameObjectConversion/JournalingUnityLogger.cs:50)
UnityEngine.Debug:LogException(Exception)
Unity.Debug:LogException(Exception) (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/Stubs/Unity/Debug.cs:19)
Unity.Entities.ComponentSystemGroup:UpdateAllSystems() (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/ComponentSystemGroup.cs:138)
Unity.Entities.ComponentSystemGroup:OnUpdate() (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/ComponentSystemGroup.cs:114)
Unity.Entities.ComponentSystem:Update() (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities/ComponentSystem.cs:108)
Unity.Entities.GameObjectConversionUtility:Convert(World) (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities.Hybrid/GameObjectConversion/GameObjectConversionUtility.cs:146)
Unity.Entities.GameObjectConversionUtility:ConvertGameObjectHierarchy(GameObject, GameObjectConversionSettings) (at Library/PackageCache/com.unity.entities@0.8.0-preview.8/Unity.Entities.Hybrid/GameObjectConversion/GameObjectConversionUtility.cs:233)
GameManager:Awake() (at Assets/Scripts/GameManager.cs:41)

Metadata

Metadata

Assignees

No one assigned

    Labels

    No labels
    No labels

    Type

    No type

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions