ADDED UE-14356 HLOD: Print user friendly message if you try build and meshes don't have have LODs
ADDED MergeStaticMeshComponets to MeshUtilities needed for next CHANGE
ADDED HLOD preview build step for maps, this only builds the clusters for previewing the settings
ADDED SphereComponent now takes into account min and max drawing distances
ADDED Global forward declares and removed local ones from HierarchicalLOD.h
ADDED Visualization to LODActor class, uses USphereComponent to render its bounds
ADDED IsPreviewActor flag to LODActor class, if true during cluster generation DrawSphereComponents bounds will be used instead of LODActor's
ADDED vertex duplication removal on import
ADDED vertex/index buffer cache optimization on import
CHANGED World.h now forward declares HierarchicalLODBuilder to minimize (re)compile time
CHANGED While building/merging actors HLOD system now takes the orginal staticmesh from previously merged LODActors, this to enable retrieving the correct LOD per mesh (related to UE-15398)
CHANGED HLOD Cluster generation process, now takes into account HierarchicalLODVolumes to exclude actors from cluster generation
CHANGED Renamed CalculateRawMeshTangents to ExtractMeshDataForGeometryCache
FIXED Crash where a nullptr actor was added to actors list for > LOD0 clusters
FIXED Bound creation for actor within a cluster used FVector.Size(), now used FVector.AbsMax()
MOVED FLODCLuster structure into seperate header and cpp file
[CL 2617884 by Jurre DeBaare in Main branch]
added timeout for pathfollowing's waiting state
#ue4 #fortnite FORT-11358
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Integrated using branch Ue4-To-UE4-Fortnite-Simple (reversed) of change#2616695 by Lukasz.Furman on 2015/07/10 10:58:00.
[CL 2617872 by Lukasz Furman in Main branch]
