Voxel PCG Graphs

How Voxel Graphs can be called directly from PCG.

To make it easier to synchronize workflows between terrain generation and PCG, Voxel PCG Graphs (VPGs) exist. These are a type of Voxel Graph which can be called directly from a PCG graph using the Call Voxel PCG Graph node. Depending on the usecase, VPGs may also help improve foliage generation performance.

A Voxel PCG Graph (VPG) filtering the input points from PCG based on a point attribute.

VPGs have one Input, and potentially multiple Outputs, which are of the Point Set type. On the PCG-side, these are seen as standard point collections, and both hold the same data. Attributes can be retrieved and set by name - some attributes have default get/set nodes to make things easier.

Parameters can be created and customized as usual. They're shown in the details panel of the Call Voxel PCG Graph node, so their values can be changed per call. It's not currently possible to set VPG parameters using a pin from PCG. To pass in dynamic data, an attribute has to be used instead.