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[bug-fix] Fix null ref exception in the demo recorder #5274

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merged 3 commits into from
Apr 15, 2021
Merged

[bug-fix] Fix null ref exception in the demo recorder #5274

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fd73d67
Fix null ref exception in the demo recorder
Apr 15, 2021
8112f30
Update changelog
Apr 15, 2021
54c0ab9
Clearer logic
Apr 15, 2021
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1 change: 1 addition & 0 deletions com.unity.ml-agents/CHANGELOG.md
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Expand Up @@ -68,6 +68,7 @@ settings. Unfortunately, this may require retraining models if it changes the re
or actuators on your system. (#5194)
- Removed additional memory allocations that were occurring due to assert messages and iterating of DemonstrationRecorders. (#5246)
- Fixed a bug where agent trying to access unintialized fields when creating a new RayPerceptionSensorComponent on an agent. (#5261)
- Fixed a bug where the DemonstrationRecorder would throw a null reference exception if Num Steps To Record was > 0 and Record was turned off. (#5274)

#### ml-agents / ml-agents-envs / gym-unity (Python)
- Fixed a bug where --results-dir has no effect. (#5269)
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7 changes: 5 additions & 2 deletions com.unity.ml-agents/Runtime/Demonstrations/DemonstrationRecorder.cs
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Expand Up @@ -74,11 +74,14 @@ void OnEnable()

void Update()
{
if (Record)
if (!Record)
{
LazyInitialize();
return;
}

LazyInitialize();

// Quit when num steps to record is reached
if (NumStepsToRecord > 0 && m_DemoWriter.NumSteps >= NumStepsToRecord)
{
Application.Quit(0);
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