julien.duroure at gmail.com
Wed Aug 24 14:40:28 CEST 2011
On Tue, Aug 23, 2011 at 12:27, Lukas Tönne <lukas.toenne at googlemail.com>wrote:
> Hi Julien,
> I've been doing some work on the node system in my branch(es), part of
> which is also related to "pynodes" . There is at this time no
> feature comparable to 2.4x python script nodes, the changes are more
> fundamental than "simply" adding a node type for script links.
> The core change i made is that node types, as well as tree and socket
> types, are defined as dynamically registered information structs,
> which can be done from C code as well as python scripts (hence
> "pynodes"). It works much in the same way as operator, menu and panel
> types are currently defined from python scripts. The idea is that this
> will allow external engines (e.g. renderers) to define nodes outside
> of the blender core code and add a few simple python script addons to
> make them available in the editor, instead of having to modify the DNA
> files and other core stuff.
This is very existing changes ( for every python coders ) : to be able to
--easily-- create nodes !
> Note that this is not directly tied to a particular "execution"
> system, such as a renderer (be it BI or Cycles), the compositor or
> *cough* texture nodes. In order to get this functionality there will
> need to be an extended node base class that supports the execution
> mechanism, so python scripts can implement the appropriate function.
By this way, blender will become more and more flexible and usable in
> However, i'm currently busy working on particle nodes  (which are
> also based on the pynodes branch), so i won't implement this any time
> soon. Beside that there is lots of other things todo before this code
> is anywhere near trunk ready, currently all previous node types are
> disabled even! If somebody would want to continue working on this code
> i'd be glad to give advice and any help i can :)
I will be happy to work on it, but I don't know if I am currently able to
work on so heavy modification. I am not familiar on Blender source, neither
on C/C++ python wrapper ( no idee about how it works on Blender ).
Do you have any documentation about your already done / to do work ?
First step for me --> clone your git and try to compile it / reading diff
from trunk :)
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