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Introduction to the Core library
Core is the lowest level library, providing the most basic functionality. Core is written in C++ and is graphics-API independent. It offers the following functionality:
- Parses .stsdk files generated by the SpeedTree Modeler application, which store the complete definition of a SpeedTree games model, including the following:
- Materials and texture references (actual texture contents are not embedded in the file)
- Bones
- Provides an interface for retrieving the tree file data.
- Defines a callback system for tracking heap allocations/deletions, file operations, and error messaging.
- Computes LOD values needed to render LOD states (and constants that are uploaded to the wind shaders) that match those set by the artist in the Modeler.
- Provides access to a wind class that controls the wind animation parameters uploaded to the wind shaders.
- Allows an alternate coordinate systems to be set using the
CCoordSys
class defined in the Core library.
- Defines a number of basic mathematical and utility classes that are used throughout the SDK.
The Forest library is the next highest level library. It depends directly on Core and deals with collections of Core objects in order to build and manage an entire dynamic forest.