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Initializing tree graphics
To load the textures and initialize the vertex and index buffers of a CTree
object, call CTreeRI::InitGfx()
. Note the hierarchy of the tree classes:
CCore
is defined in the Core library.
CTree
is used as an alias forCCore
inInclude/SpeedTree/Forest/Forest.h
.
CTreeRI
is a templated class in need of platform-specific rendering policies.
- “Render Policies” represents the render policies (textures, shaders, vertex buffers, etc) for any of the supported SpeedTree platforms.
CTreeRender
is defined in each of the platform's renderer header files (e.g. OpenGLRenderer.h) and is aCTreeRI
object with the appropriate render policies passed in as template parameters.
The typical order for initializing a tree object is:
- Load an STSDK file or memory block into a
CTreeRI
object usingCTreeRI::LoadTree()
(CTreeRI
is derived fromCCore
).
- Call
CTreeRI::InitGfx()
of that tree object so that it will be ready to render using the Render Interface library.
Note: The source files MyPopulate.cpp/h
give an example of how to load trees and initialize their graphics. Specifically, see CMyPopulate::LoadBaseTree()
and CMyPopulate::InitBaseTreeGraphics()
.