[Bf-python] A question about the current and future capabilities Python scripting in Blender

[Karl]

Hello again,

I am bumping this discussion because I really would like to get a definite
answer, whether or not this thing has a chance of being implemented sometime
in the near future or not. Should I go ask in the main mailing list and see
if I can get an answer from a lead developer? I think it is not impossible
that there will be an attempt to implement this by someone, however I think
it is nice to have an opinion from someone involved in the design of Blender
more intimately. Nobody wants to write a lot of code that eventually will
not be used. :)

Cheers,
Karl

On Tue, Dec 14, 2010 at 9:04 AM, Ron Wheeler <rwheeler at artifact-software.com
> wrote:

> On 13/12/2010 10:37 PM, Campbell Barton wrote:
> > Hi Karl, I think creating logic bricks in python would be acceptable
> > by the BGE developers its been discussed but nobody ever wrote it.
> > Though if we are able to get nodal logic to replace logic bricks it
> > may be better to have python define new logic nodes instead.
> >
> > Since this isn't in blender yet. I found using states helps split up
> > python controller logic unto manageable chunks.
> >
> > Ron, I don't understand your statement "I was never able to find
> > documentation about how to build libraries of Python classes that
> > could be included in Blender scripts."
> > library is a generic term which can refer to lots of things in
> > blender, can you be more specific as to what you tried?
> >
>
> I wanted to create a set of Python classes grouped into packages to make
> them easy to organize.
> I could get them to compile and run outside Blender but could not seem
> to get the import and instance creation working.
> Specifically I wanted to create visual objects using my classes and then
> manipulate the Blender environment to create movies of these objects
> interacting.
>
> Never found any documentation that addressed this directly. Perhaps I
> just did not look using the right terminology.
>
> I would like to eventually use Eclipse to build and test the components
> before running them in the Blender engine.
>
> Ron
>
> > On Mon, Dec 13, 2010 at 7:04 PM, Ron Wheeler
> > <rwheeler at artifact-software.com>  wrote:
> >> I am also interested in this approach.
> >> I was trying build animation sequences in Python.
> >> I was able to get an animation working but ran into problems when I
> tried to
> >> use packages and libraries to organize my functions.
> >>
> >> I was never able to find documentation about how to build libraries of
> >> Python classes that could be included in Blender scripts.
> >>
> >> Ron
> >>
> >> On 13/12/2010 11:29 AM, Karl wrote:
> >>
> >> Hello!
> >> First and foremost, as I just joined this mailing list I have little
> >> knowledge if my question has been already answered in some point of time
> or
> >> not. Something in this vein was discussed here in
> >> 2008:
> http://lists.blender.org/pipermail/bf-python/2008-January/005123.html
> >> .
> >> I am a graduate student in computer science, currently working on a
> project
> >> that utilises Blender and Python in order to programmatically create
> what
> >> are basically Blender games. For the last two months I have studied both
> the
> >> Blender Python API and the Game Engine API, and found to my
> disappointment
> >> that while it is possible to create objects from the bottom up, there is
> no
> >> way to create new sensors, controllers or actuators. I realize that
> there is
> >> a chance I might have missed some important documentation or tutorial,
> so if
> >> this is the case, feel free to correct me.
> >> Now to my question: are there any plans to create functions/modules in
> the
> >> Blender Python API to allow the creation of logic bricks (i.e. sensors,
> >> controllers, actuators)?
> >>  From the discussion I referred to above, the an argument against this
> change
> >> was that there was no use for this functionality. I would argue against
> >> this, as with this capability it is possible to create fully working
> games
> >> by writing a Python script to be interpreted by Blender. Furthermore, if
> >> what I understand about the Blender Python API is correct, then it
> should
> >> also easily be possible to create a scene using Blender and then
> >> programmatically add the necessary logic bricks with a Python script.
> This
> >> does away with the connect-the-dots approach that - while clever - makes
> it
> >> difficult to do more complex programming.
> >> Again, I am sorry if this topic has been covered somewhere: while the
> >> internet is full of Blender tutorials, they have mostly to do with the
> >> artistic aspect and it seems to be difficult to find information about
> >> topics such as this.
> >> All the best,
> >> Karl Potisepp
> >>
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> >
>
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