A simulation data block has an embedded node tree, which requires
special handling in a couple of places. Some of those places were
missing beforehand.
This also adds a relation to make sure that the simulation is evaluated
after animations on the embedded node tree are evaluated.
High quality emitters need to maintain state themselves. For example,
this it needs to remember when it spawned the last particle.
This is especially important when the birth rate is changing over time.
Otherwise, there will be very visible artifacts.
It is quite likely that other components of the simulation need their own
state as well. Therefore, I refactored the `SimulationState` type a bit,
to make it more extensible. Instead of using hardcoded type numbers, a
string is used to identify the state type. Also, instead of having switch
statements in many places, there is a new `SimulationStateType` that
encapsulates information about how a specific state is created/freed/copied/...
I removed the integration with the point cache for now, because it was
not used anyway in it's current state.
* Changing to a landmark moves the view exactly to it, rather than
keeping the current position offset.
* Disabling positional tracking moves the viewer back to the landmark
position.
This is a more predictable and practical way to use landmarks. See
feedback in T71347.
On the code side, I did some cleanup so the logic flow is more clear.
Note: This is entirely untested. I currently don't have access to a
device. There might be issues, tomorrow I'll hopefully get feedback.
This adds extra deform modes to the slide mode of the Topology
Slide/Relax brush (both slide and smear are almost identical).
This is useful to move topology to a specific area to add more localized
details
Reviewed By: sergey
Differential Revision: https://developer.blender.org/D8349
This allows to use pen pressure modulation in hardness, wet mix, wet
persistence, flow and density, as well as inverting the modulation (more
pressure, less density...). With this, it is possible to create brushes
that mix paint or apply a new color based on the pressure.
Reviewed By: sergey, campbellbarton
Differential Revision: https://developer.blender.org/D8267
This matches the change that was done to the bevel modifier so that the
interface for the modifier, the active tool, and the operator are consistent.
This commit extends the refactor to the bmesh implementation too, so
that the parameters in the implementation don't stray too far from what
is exposed.
Tests are adjusted and still pass.
Both to_v and form_v need to be included. From_v is needed to include
the active vertex when there is only one vertex in the radius of the
brush, to_v needs to be included to add all grids duplicates
Reviewed By: sergey
Maniphest Tasks: T79056
Differential Revision: https://developer.blender.org/D8347
The custom smooth functions for bmesh and meshes where removed and
replaced by a generic smooth function using the sculpt API, which needs
to initialize the bmesh indices in order to be used
Reviewed By: sergey
Maniphest Tasks: T79007
Differential Revision: https://developer.blender.org/D8333
Implementation of lerp without a function requires repeating one of
the arguments, which is not ideal. To avoid that, add a new function
to the driver namespace. In addition, provide a function for clamping
between 0 and 1 to support easy clamped lerp, and a smoothstep function
from GLSL that is somewhat related.
The function implementations are added to a new bl_math module.
As an aside, add the round function and two-argument log to the
pylike expression subset.
Differential Revision: https://developer.blender.org/D8205
Object sockets work now, but only the new Object Transforms and the
Particle Mesh Emitter node use it. The emitter does not actually
use the mesh surface yet. Instead, new particles are just emitted around
the origin of the object.
Internally, handles to object data blocks are passed around in the network,
instead of raw object pointers. Using handles has a couple of benefits:
* The caller of the function has control over which handles can be resolved
and therefore limit access to specific data. The set of data blocks that
is accessed by a node tree should be known statically. This is necessary
for a proper integration with the dependency graph.
* When the pointer to an object changes (e.g. after restarting Blender),
all handles are still valid.
* When an object is deleted, the handle is invalidated without causing crashes.
* The handle is just an integer that can be stored per particle and can be cached easily.
The mapping between handles and their corresponding data blocks is
stored in the Simulation data block.
Adjusting the layout for this modifier is the final part of the modifier UI
project for 2.90. This layout exposes the most important information,
the levels and subdivision controls, by default, putting other contols
in collapsed subpanels.
Note that there is empty space for the "Delete Lower" button
that is still planned for 2.90. And there will also eventually be more
items added to the "Shape" panel, maybe for 2.90.
Differential Revision: https://developer.blender.org/D8187
Operators are one of the last places in Blender to use older UI designs
that don't fit in with recent style conventions. This commit updates
these custom operator UI callbacks for consistency and clarity.
Some of the code is also simplified a lot. Some of the older operator layouts
were much more complex (in terms of code) than they needed to be.
See the differential revision for a before and after screenshot
of each operator.
Differential Revision: https://developer.blender.org/D8326
Currently if you drag and drop an item from the outliner elsewhere in
the Blender window, the outliner will scroll the entire time, even if the
mouse is far away. This commit adds optional behavior for the edge pan
operator that makes it only act if the mouse is close enough to the region.
Differential Revision: https://developer.blender.org/D8193
When overriding a whole linked collection from a single object in
3DView, said 'reference' object would be removed by code. We only want
that behavior when overriding from an instanciating Empty.
It looks like the code left this as a todo, but the basic solution is to
add an extra parameter to BKE_bose_rest to check whether bones
are selected before reseting them.
I also corrected the operator description which said it acted on only
selected bones even when there is an option to turn that off. The
"act on selected" is generally implied for Blender's operators anyway.
Differential Revision: https://developer.blender.org/D8319
The function is called for all writers, not just 'object' writers.
Furthermore, it's called by the function `release_writers()`, so now the
name is consistent with that as well.
No functional changes.
The unit tests for `bf_io_common` didn't actually link against
`bf_io_common`, so when both USD and Alembic were disabled, nothing
would link against that library and building the tests would fail.
