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TODO
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Feature for generating node sockets from template lists. Can work completely in Python. (Note: still needs proper documentation)
- poll functions for RenderLayer (other restricted types?)
- Define a default socket type for node tree interfaces. Currently uses NodeSocketFloat, but may not be available in custom tree types! (NODE_OT_tree_socket_add operator)
- Copy method for template parameters (also NODE_OT_tree_socket_add operator). Socket and template value copies should be possible with generic ID properties or RNA, no need to have specialized callbacks then.
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Make a context lookup function to determine the active node tree when pinning is disabled.
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poll callback for node trees, to replace the limited icon-based method of determining visibility in the node editor. Particularly useful for shader node trees which should only be visible for the selected render engine.
- Add a type check to the C wrapper for python-defined get_from_context. This might otherwise produce corrupted data if user functions return a non-node-tree pointer. Never assume users know what they're doing ;)
