Fixed a bug when removing a point from an EditorLine that could lead to a crash.

Source/InstancedMeshLineRendering/Private/GPUInstancedLineComponent.cpp

@@ -224,6 +224,7 @@ void UGPUInstancedLineComponent::PostInitProperties()
 		UE_LOG(LogTemp, Display, TEXT("UGPUInstancedLineComponent::PostInitProperties IF"));
 
 }
+//#pragma optimize("", off)
 
 #if WITH_EDITOR
 void UGPUInstancedLineComponent::PostEditChangeChainProperty(FPropertyChangedChainEvent& PropertyChangedEvent)
@@ -291,22 +292,22 @@ void UGPUInstancedLineComponent::PostEditChangeChainProperty(FPropertyChangedCha
 			{
 				// Get Indices
 				const int32 RemovedAtIndex = PropertyChangedEvent.GetArrayIndex(PropertyChangedEvent.Property->GetFName().ToString());
-				const int32 LineIndex = PropertyChangedEvent.GetArrayIndex(PropertyChangedEvent.PropertyChain.GetActiveNode()->GetPrevNode()->GetValue()->GetFName().ToString());
+				const int32 EditorLineIndex = PropertyChangedEvent.GetArrayIndex(PropertyChangedEvent.PropertyChain.GetActiveNode()->GetPrevNode()->GetValue()->GetFName().ToString());
 
 				check(RemovedAtIndex != INDEX_NONE);
-				check(LineIndex != INDEX_NONE);
+				check(EditorLineIndex != INDEX_NONE);
 				
 				// This isn't allowed to happen, but cannot be explicitly forbidden in the engine. For now, just hack it by inserting a point at 0,0,0.
 				// Alternatively, just delete the line? TODO
-				if(EditorLines[LineIndex].Points.Num() < 2)
+				if(EditorLines[EditorLineIndex].Points.Num() < 2)
 				{
 					UE_LOG(LogTemp, Error, TEXT("UGPUInstancedLineComponent: A Line needs to consist of at least two points, trying to remove one of them doesn't work. Defaulted point inserted again!"));
-					EditorLines[LineIndex].Points.AddZeroed(1);
-					UpdatePoint(EditorLines[LineIndex].RespectiveLineId, RemovedAtIndex, EditorLines[LineIndex].Points[RemovedAtIndex].Point);
+					EditorLines[EditorLineIndex].Points.AddZeroed(1);
+					UpdatePoint(EditorLines[EditorLineIndex].RespectiveLineId, RemovedAtIndex, EditorLines[EditorLineIndex].Points[RemovedAtIndex].Point);
 				}
 				else
 				{
-					RemovePoint(LineIndex, RemovedAtIndex);
+					RemovePoint(EditorLines[EditorLineIndex].RespectiveLineId, RemovedAtIndex);
 				}
 				
 			}
@@ -396,6 +397,7 @@ void UGPUInstancedLineComponent::PostEditChangeProperty(FPropertyChangedEvent& P
 	Super::PostEditChangeProperty(PropertyChangedEvent);
 }
 #endif
+//#pragma optimize("", on)
 
 // Doesn't do anything yet, just as a testing function to see execution order on Unreal startup.
 void UGPUInstancedLineComponent::PostLoad()