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the same issue.
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Previously this only worked for some datablocks relevant to rendering, now it
can be used to detect if any type of datablock was added or removed (but not
yet to detect if it was modified, we need many more depsgraph tags for that).
Most of the changes are some function parameter changes, the important parts
are the DAG_id_type_tag calls.
Reviewed By: sergey, brecht
Differential Revision: https://developer.blender.org/D195
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* Move symmetry options to the paint struct (where all paint systems can
make use of it)
* Rename draw_pressure to stroke_active. This is what is really checked
on those occasions that this is used. Also move turning on/off of this
option to the stroke level and avoid doing it on every stroke system.
* Rename BRUSH_RESTORE_MESH to BRUSH_DRAG_DOT. In image painting this
won't restore any mesh, so better have a name that is directly linked to
what the flag actually does.
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Summary:
Seems to be known TODO in the code, but no idea why it
was never solved, especially since tweak is so much easy.
It might be arguable that we need to support painting
color space, but it's still much better to convert to
sRGB space. It's gonna to cover 90% of cases anyway.
Reviewers: campbellbarton, brecht
Reviewed By: brecht
Maniphest Tasks: T37670
Differential Revision: http://developer.blender.org/D65
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attenuation that should really be optional. There's also a minor
performance penalty and all this only for one problematic case. In case
the tool flattens two surfaces, users can manually set the front face
only option. A better non-attenuating way to cull such vertices can be
added later.
Also flatten brush should calculate the flatten plane from the original
vertices or the flattening will not converge for planes offsets
different than zero.
Reported by Michalis Zissiou, thanks!
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also warnings fix and description fix.
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* Cleanup for previous commit and reduce some local variable referencing
* Add support for brushes that operate on frontfaces only and do not
show the option for those brushes. Currently only clay strips is in the
list but this may change according to artist feedback. This should take
care of the "sticky" surface problem completely.
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rotation of the brush mask texture.
Unfortunately secondary path does not work here because we do not have a
permanent switch to choose between primary-secondary brush texture. Use
operator property instead.
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initialization. In sculpt mode, when using shift-click to switch to the
smooth brush it was possible to ommit initialization of curvemapping for
that brush.
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the stroke and skip checking for initialization each time we request the
curve value.
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inconsistency between 2.67/2.68RC and previous versions
This was in fact really nasty bug, caused by multitex_nodes
function using global variable R (which is a copy of current
renderer). this variable is not initialized to anything
meaningful for until first rendering (preview or final)
happened.
Since multitex_nodes might be used outside of render pipeline,
made it so whether CM is on or off as an argument to functions
multitex_ext_safe and multitex_ext. Now multitex_nodes() is
only shall be used for stuff happening from render pipeline!
Also needed to make some changes to other places, so all the
usages of texture sampling knows for the fact whether CM is
on or off.
And one more change is related on behavior of dispalcement,
wave, warp, weightvg modifiers and smoke. They'll be always
using CM off since texture is used for influence, not for
color.
It's rather bigger patch, but it's mostly straightforward
changes, which we really need to be done.
Reviewed by Brecht, thanks!
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if statements and redundant initialization vars.
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paste errors), also remove BKE_script.h
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consistent with projection painting.
Also did some refactoring of this code, moving the brush image creation code
out of brush.c and making it consistent with image updating code.
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shape.
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* 2D image painting with textures that contained alpha did not work correctly,
had been broken for a while.
* 2D image panels texture (mask) panels showed wrong buttons for texture overlay.
* Texture map mode 3D now also uses masking, like Tiled and Stencil the texture
does not move along with the brush so it works fine.
* 2D image paint View mapping did not work correct, especially noticeable with
Rake rotation.
* Masking is now disabled for the smear tool, this can't really work because
the original image is constantly changing and gave artifacts.
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after e.g.
scaling it along one axis, now there's a Reset Transform button.
The Image Aspect button is now also hidden unless the texture is an image texture.
And also hide the color wheel for painting tools that don't use colors.
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* 2D image painting support for masking to limit the max contribution of a stroke
to a pixel, to get it working compatible with projection painting. Not strictly
a bugfix, but the inconsistency here was annoying.
* Fix python errors in Texture Mask panel in image editor, was missing overlay
options.
* Clamp paint mask to 0..1 in case some texture exceeds it, this could give black
pixels due to integer overflow.
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old issue, the formulas here were never quite right, should all work ok now
with byte and float images.
Some differences:
* Colors with zero alpha from the background will never have an influence, so
you don't get alpha fringes when painting over such areas. This does give
hard edges when looking at the RGB channels alone, but there's no way to
avoid that and fringes at the same time, same behavior as other painting apps.
* Add/Subtract/Multiply/Lighten/Darken now leave the alpha channel unchanged
and work only the RGB channels, again same behavior as many other apps.
* Erase/Add alpha now compensates for premultiplied float images to keep the
straight RGB colors the same.
Next: fix projection painting.
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regular stencil but use Alt as well, so Alt-Rclick is translation, Alt-
clamping to avoid scaling of stencil to zero.
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next to the overlay alpha.
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* Fix precision overflow issue with overlay previews,
* Expose alpha mask mapping to UI (still not functional but coming soon).
* More overlay refactoring:
Overlay now does minimal checking for texture refresh.
Instead, we now have invalidation flags to set an aspect of the brush
overlay as invalid. This is necessary because this way we will be able to
separate and preview different brush attributes on the overlays, using
different textures:
These attributes/aspects are:
Primary texture (main texture for sculpt, vertex, imapaint)
Secondary texture (mask/alpha texture for imapaint)
Cursor texture (cursor texture. It involves brush strength and curves)
Modified the relevant RNA property update functions and C update callback
functions to call the relevant cursor invalidation functions instead
of checking every frame for multiple properties.
Properties that affect this are:
Image changes, if image is used by current brush,
Texture slot changes, similarly
Curve changes,
Object mode change invalidates the cursor
Paint tool change invalidates the cursor.
These changes give slightly more invalidation cases than simply
comparing the relevant properties each frame, but these do not occur in
performance critical moments and it's a much more elegant system than
adding more variables to check per frame each time we add something on
the system.
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Stencil style texture mapping. Ready for field testing and user feedback.
This commit adds stencil like brushes, like those that existed on old ptex branch.
(with the exception of clip colour)
To control the position of the stencil, you use
Q: translation
Shift - Q: scaling
Ctrl - Q: rotation
There's extra work that has been done to make this work:
* Support for coloured overlay in vertex/texture painting
* Also made A button do stroke mode selection like in sculpt mode,
when mask painting is inactive.
There are some TODOs to work on during bcon3:
* Support tiled and stencil mode in 2D painting. Support alpha textures also.
* Tidy up overlay code. There's some confusion there due
to the way we use the primary brush texture sometimes for alpha, other times
for colour control.
WIP design docs will be in
http://wiki.blender.org/index.php/User:Psy-Fi/New_Brush_Tool_Design
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Random texture mapping
* Support for 2d painting.
* Better random generation and useof the result.
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also rename mesh_getVertexCos() --> BKE_mesh_vertexCos_get() to match curve function.
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- remove unused defines.
- quiet some shadow warnings.
- bevel, ifdef out some asserts that are too common.
- style
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Also add random mapping to brushes.
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Issue is sharing using global random generator which is shared with
particle system which resets the seed due to some scene/option
combination. Since it may be desirable to get predictable results with
particles, made sure brushes allocate their own random number generator
on startup and use that for jittering.
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paint. Was own regression when optimizing colour operations. I will not
use an alpha bit mask since it may run into portability issues with byte
order.
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and comments
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* Support for Rake in projective paint (2D painting will be a separate
commit)
* Support for smooth stroke across all paint systems
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also minor code cleanup.
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a small warning for double const keyword.
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ALERT! POSSIBLE BREAKING COMMIT, ESPECIALLY FOR SCULPT!
Separate the sculpt sampling function so that it can be reused
from other paint systems. This includes updating of the relevant
coordinates for anchored and rake style brushes, which are now
being updated as part of the stroke system.
I left only code for area-style brush texture mapping in sculpt
code, since it requires a few data structures not present on other
paint systems.
This commit makes it almost as easy to support rake on other systems as
exposing the python UI for it. Also it makes it totally possible to
have texture painting capabilities in vertex paint too :) These commits
will follow very soon.
Also, even if I did my best to keep the code from breaking, (even fixed a
leftover bug from coordinate changes) this is a big change. Please test!
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