[Bf-committers] Sculpt Mask Data (lazy initialize?)

[Nicholas Bishop]

I don't have any strong objections, but a couple of things to look at:

1) Should check how big of a delay this introduces for the first use
of the mask brush on a dense mesh. Don't want there to be a big delay
that makes masking a second-class citizen among brushes :)

2) Implementation issue: the mask code for sculpt makes the assumption
that a mask layer always exists, so if we change that we should
carefully check for problems in both regular and multires sculpting.

-Nicholas

On Fri, Sep 21, 2012 at 4:01 AM, Campbell Barton <ideasman42 at gmail.com> wrote:
> This mail is mostly for Nicholas Bishop but others may have input,
>
> The other day I noticed the default cube had a mask vertex layer -
> this isnt so bad - only storing one extra float per vertex - but seems
> unnecessary.
>
> There are some other data layers that the user had no way to remove
> (skin and sticky), now theres a panel "Geometry Data" - where layers
> can be cleared,
> (note - unlike UVs and VColors - these layer types are singletons - a
> mesh can only have one of each - so the UI is different).
>
> ... back to the point of the mail...
>
> At the moment just entering sculpt mode will add sculpt-mask data
> layer to the mesh verts, and be saved, and get stored in every undo
> step... etc.
>
> Id prefer this was lazy initialized - so only when using the mask
> brush it gets added, any reason not to do this?
>
> --
> - Campbell
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