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Some exporters (mdd for example), only use the active object
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This commit merges the code in the pie-menu branch.
As per decisions taken the last few days, there are no pie menus
included and there will be an official add-on including overrides of
some keys with pie menus. However, people will now be able to use the
new code in python.
Full Documentation is in http://wiki.blender.org/index.php/Dev:Ref/
Thanks:
Campbell Barton, Dalai Felinto and Ton Roosendaal for the code review
and design comments
Jonathan Williamson, Pawel Lyczkowski, Pablo Vazquez among others for
suggestions during the development.
Special Thanks to Sean Olson, for his support, suggestions, testing and
merciless bugging so that I would finish the pie menu code. Without him
we wouldn't be here. Also to the rest of the developers of the original
python add-on, Patrick Moore and Dan Eicher and finally to Matt Ebb, who
did the research and first implementation and whose code I used to get
started.
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Notes:
* Did not touch to addons, that's up to the authors. ;)
* Did not removed any "name" field below lists. We might want to do this in some cases (less UI clutter), but probably not always, so will let maintainers of the related areas decide here.
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and link to the new Addons bug reporting page.
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OPERATOR_CANCELLED.
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socket label for outputs, leave this check up to the socket type draw function. This gives custom node scripts more flexibility in
how to draw socket values by allowing buttons on output sockets as well.
http://wiki.blender.org/index.php/Extensions:2.6/Py/API_Changes#Python_Node_Output_Drawing
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addons: use bpy.types.* base classes instead of bpy_types.*
The bpy_types classes cause issues when used in addons when loading on Blender startup (subclasses cannot be properly registered).
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previously used to extend the node Add menu, now the node categories system is used instead.
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types works now (this comment was causing some confusion in the past).
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custom_nodes.py template script.
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This does not work properly due to the fact that node groups don't have a single registerable base class any more. The reason for
that is that RNA does not support multiple inheritance so the actual node group subtypes (ShaderNodeGroup, CompositorNodeGroup, TextureNodeGroup) can not be derived from both the
ShaderNode/CompositorNode/TextureNode base types as well as a common NodeGroup type ... It is possible however to define node group types entirely in python which avoids the limitations of the RNA system
and is much more flexible, example for this will follow later.
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changes in r56584 and r56585.
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drawing color in a callback instead of a simple property, this makes it possible to change a socket color e.g. based on data type.
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PyNodes opens up the node system in Blender to scripters and adds a number of UI-level improvements.
=== Dynamic node type registration ===
Node types can now be added at runtime, using the RNA registration mechanism from python. This enables addons such as render engines to create a complete user interface with nodes.
Examples of how such nodes can be defined can be found in my personal wiki docs atm [1] and as a script template in release/scripts/templates_py/custom_nodes.py [2].
=== Node group improvements ===
Each node editor now has a tree history of edited node groups, which allows opening and editing nested node groups. The node editor also supports pinning now, so that different spaces can be used to edit different node groups simultaneously. For more ramblings and rationale see (really old) blog post on code.blender.org [3].
The interface of node groups has been overhauled. Sockets of a node group are no longer displayed in columns on either side, but instead special input/output nodes are used to mirror group sockets inside a node tree. This solves the problem of long node lines in groups and allows more adaptable node layout. Internal sockets can be exposed from a group by either connecting to the extension sockets in input/output nodes (shown as empty circle) or by adding sockets from the node property bar in the "Interface" panel. Further details such as the socket name can also be changed there.
[1] http://wiki.blender.org/index.php/User:Phonybone/Python_Nodes
[2] http://projects.blender.org/scm/viewvc.php/trunk/blender/release/scripts/templates_py/custom_nodes.py?view=markup&root=bf-blender
[3] http://code.blender.org/index.php/2012/01/improving-node-group-interface-editing/
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Satoshi Yamasaki aka yamyam, thanks!).
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in python.
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