UE4 Skeletal Mesh Merge C++ Plugin

UE4 Skeletal Mesh Merge Plugin based on Working with Modular Characters documentation. Includes Modular Version of UE4 Mannequin. It Merges Modular Skeletal Mesh using the same Skeleton to reduces the number of drawcalls improving performance.

At runtime you can merge multiple Skeletal Meshes into a single Skeletal Mesh through code with FSkeletalMeshMerge. While this has a high initial cost of creating the Skeletal Mesh, the rendering cost is cheaper since you are rendering a single Skeletal Mesh instead of multiple meshes. For example, if you have a character comprised of three Components (head, body and legs) and you have 50 characters on screen, this would result in 50 draw calls. Without Skeletal Mesh Merge, each Component has its own draw call resulting in three calls per character or a total of 150 draw calls.

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