[Bf-committers] true edge and face edit modes

[trip]

Dude, your free to destroy Tuhopuu2  with new features :D
In other words, use tuhopuu2 to test out the new features you have in 
mind.

I am sure others will give better long winded words over this. But I 
say just do what ever the hell you like , as long as it helps out that 
is all that matters....

^v^
On Apr 9, 2004, at 7:30 PM, Brecht Van Lommel wrote:

> Hi all,
>
> I will have quite some time to code in the following weeks / months. So
> I thought I would just take on this project. I'm posting this to see 
> who
> has interest / time / ideas. It's just a rough proposal, on how we 
> could
> do it code-wise. It doesn't include any ideas of how to really take
> advantage of these modes. It's not perfect, but I thought I'd post
> something to maybe get things going.
>
> True Face en Edge Mode:
>
> - Three modes: Vertex, Edge and Face.
> - Use same EditMesh data structure, and make it available in all three
>   modes. Hopefully no or only slight changes will be needed.
> - The modes will not be really different internally. A function should
>   not have to know in which mode it is, unless it wants to offer
>   different behavior for different modes. There would also be fast
>   switching: no or at least very little data conversion needed when
>   switching modes.
> - Edit Mode functions will still work while this is WIP, can modified 
> to
>   have different behavior in different modes later.
> - Face Select Mode (and paint) functions will need to be converted
>   completely, but the functions are not that complicated as far as I've
>   seen. For some off the more complex ones, it would be best to rethink
>   to be faster with the new data structures available.
> - Need plan to convert code step by step. Keep things 'working' as much
>   as possible.
>
> Plan:
>
> 1. Make EditMesh structure available in Face Select, Paint Mode, don't
>    disable old data structures immediately.
> 2. Convert Face Select drawing functions to use EditMesh. Keep old
>    drawing available somehow, for some time, for next step.
> 3. Convert Face Select, Paint functions to use EditMesh. While working
>    on this, the old an new data structure will not automatically be in
>    sync, but that's why it is possible to draw both data structure.
> 4. Introduce Edge Select Mode.
> 5. Make Edge and (Edit Mode ready) Face drawing functions.
> 6. Adapt Edit Mode functions to work different in different modes, if
>    necessary (Extrude for example).
>
> All this is quite some work, but not impossible in my opinion.
>
> This might not be the ideal time to propose this, weeks before the next
> release and maybe near exams for some. I also know there are also some
> plans to move Edit Mode functions to python, and I have not taken them
> into account. I simply have no idea how it would all work, or how these
> plans would affect this.
>
> I think I could already start on the first steps (merging Edit Mode and
> Face Select Mode), in the next weeks. Downloading Wings now to get some
> inspiration :).
>
> Any comments?
>
> Cheers,
> Brecht
>
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