If you click on a Hierarchical Static Mesh actor, you will see that it contains one Hierarchical Static Mesh component for each asset as well a list of all the individual instances. In Forest Pack this will match the number of source models, in RailClone it depends on whether segments are sliced or bent as to whether they are instance or not and therefore exported as unique items. It also creates a Static Mesh asset for each unique piece of geometry. This is a very efficient way of creating thousands of instances in real-time. Datasmith creates a single Actor in the Unreal Engine Level, named according to the name of the object in 3ds Max.Įach Forest or RailClone object is reconstructed in Unreal as a Hierarchical Static Mesh.Change the settings as desired and then click Import Create a new one if necessary, then click OK. Choose the folder in which you wish to save the Forest Objects.Select the file you just exported from 3ds Max and click Open.Once that’s done, switch over to Unreal and click the Datasmith button.Depending on the number of instances and sources geometry this can take anything from a few seconds to a few minutes. Make sure that Include is set to Selection. Choose a file name and change the filetype to Datasmith.Select the Forest or RaiLClone object(s) you wish to export.To export a full Forest Pack or RailClone object to Unreal To use these features you need to install a Datasmith plugin for 3ds Max that's compatible with the Unreal Engine version that you are using.
Unreal Engine's Datasmith tools support exporting Forest Pack and RailClone objects to Unreal with no need to Instantiate using Forest Tools.
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