InstancedStaticMeshComponent

Warning

For some reason most ISMC functions are implemented in InstancedStaticMesh.cpp and not InstancedStaticMeshComponent.cpp

Physics Init

• If a Physics State was need it will be created, this will then run UInstancedStaticMeshComponent::CreateAllInstanceBodies which creates a new BI for each already existing ISMC mesh instance.

Creation

• UInstancedStaticMeshComponent::AddInstance
• UInstancedStaticMeshComponent::AddInstanceInternal
  • Create a new id
  • Calls SetupNewInstanceData
  • …
• UInstancedStaticMeshComponent::SetupNewInstanceData
  • This can create a new FBodyInstance for the new ISMC mesh instance using the new keyword and doing some setup.
  • Calls UInstancedStaticMeshComponent::InitInstanceBody

Removing

• UInstancedStaticMeshComponent::RemoveInstance
• UInstancedStaticMeshComponent::RemoveInstanceInternal
  • This will destroy the existing BI (if any) for the given ISMC mesh instance by using the delete keyword and calling TermBody.