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But this time the root cause. Writing undo files is done in a separate
thread. This patch moved the updating of the matte_id when the user
actually changes the matte.
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With the full node name at the beginning, these names can get quite long.
Slightly different words shorten them just a bit.
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This commit adds a simple string input node, intended for use in the
attribute workflow to make using the same attribute name in multiple
places easier. The node is function node similar to the existing vector
input node.
Ref T84971
Differential Revision: https://developer.blender.org/D10316
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This patch adds icons to the right side of nodes when they encounter a
a problem. When hovered, a tooltip displays describing the encountered
while evaluating the node.
Some examples are: attribute doesn't exist, mesh has no faces,
incorrect attribute type, etc. Exposing more messages to the system
will be an ongoing process. Multiple warnings per node are supported.
The system is implemented somewhat generically so that the basic
structure can also be used to store more information from evaluation
for the interface, like a list of available attributes.
Currently the messages are just button tooltips. They could be styled
differently in the future. Another limitation is that every instance of
a node group in a parent node tree will have the same error messages,
the "evaluation context" used to decide when to display the tooltips
must be extended to support node tree paths.
Differential Revision: https://developer.blender.org/D10290
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This commit adds a drop-down to the attribute randomize node to support
a few operations on the values of existing attributes: "Replace/Create"
(the existing behavior), "Add", "Subtract", and "Multiply".
At this point, the operations are limited by what is simple to implement.
More could be added in the future, but there isn't a strong use case
for more complex operations anyway, and a second math node can be used.
Differential Revision: https://developer.blender.org/D10269
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This commit makes links connected to multi-input sockets spread verticaly
along the socket. Sockets grow if more links are connected and the node
layout updates accordingly. Links are sorted by their incoming angle
to avoid crossing links. Also, link picking is updated to work with
spread links and bezier links.
Currently the multi-input sockets are used in the join geometry node.
The mutli-input sockets look like a vertical rounded rectangle.
Currently they do not support the other custom socket shapes.
Reviewed By Hans Goudey, with cleanup and additional edits
Differential Revision: https://developer.blender.org/D10181
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After {rBa0867f05a48e2017a}, it is no longer necessary to pad
structs with 1 and 2 byte sizes. Most of these are geometry node
structs, where we've been avoiding using `node.custom1`.
I only found two others, the freestyle flags in custom data DNA.
Differential Revision: https://developer.blender.org/D10335
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These are similar to the regular "Combine XYZ" and "Separate XYZ" nodes,
but they work on attributes. They will make it easier to switch between
vector attributes and float attributes.
Differential Revision: https://developer.blender.org/D10308
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This node takes a volume and generates a mesh on it's "surface".
The surface is defined by a threshold value.
Currently, the node only works on volumes generated by the
Points to Volume node. This limitation will be resolved soonish.
Ref T84605.
Differential Revision: https://developer.blender.org/D10243
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When the pivot axis is not set to auto, the node will try to align the rotation
to vector as best as possible, given the selected rotation axis.
Ref T85211.
Differential Revision: https://developer.blender.org/D10292
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This node calculates a distance from each point to the closest position
on a target geometry, similar to the vertex weight proximity modifier.
Mapping the output distance to a different range can be done with an
attribute math node after this node.
A drop-down changes whether to calculate distances from points,
edges, or faces. In points mode, the node also calculates distances
from point cloud points.
Design task and use cases: T84842
Differential Revision: https://developer.blender.org/D10154
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Normally sockets only have one input link. This commit adds the back-end
changes needed to use multiple input links per socket.
Multi-input sockets can be defined with a new flag in `bNodeSocketType`.
The changes necessary to make the sockets work in the geometry nodes
evaluator are generalizing input socket values as a vector of values,
and supporting this in the derived node tree structure.
This patch should contain no functional changes. Two upcoming patches
will use this system for the "Join Geometry" node and expose link picking
and updated display in the UI: D10069 and D10181.
Reviewed By: Jacques Lucke, Hans Goudey
Differential Revision: https://developer.blender.org/D10067
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Implements a node to get collection objects.
These objects are then passed along as instances in the node tree.
Follow up tasks:
Multiple nodes does not support instancing yet: T85159
Changing collection offset does not trigger a refresh: T85274
Reviewed By: Jacques, Dalai, Hans
Differential Revision: http://developer.blender.org/D10151
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This adds the ability to use all the math operations in the regular
utility "Math" node. The code is quite similar to the attribute vector
math node, with the simplification that the result is always a float.
Differential Revision: https://developer.blender.org/D10199
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This implements a new geometry node based on T84606.
It is the first node that generates a `VolumeComponent`.
Differential Revision: https://developer.blender.org/D10169
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We will need to expand this node soon to add weight/count for different
elements inside the collection. For that it is better to have the node
to use its own DNA.
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By design the modified object transformations should still work and
affect the geometry nodes results. The current behaviour, however, would
make the geometry from the object info to not be affected by the
modified object transformations. This patch changes that by default.
In a similar fashion the Location, Rotation and Scale sockets outputs
should be aware of whether the output should be in the global space or in the
space of the nodetree.
To solve this, the patch introduces a new transformation space "enum"
where users can pick "Original" or "Relative" space.
Original
--------
Output the geometry relative to the input object transform, and the
location, rotation and scale relative to the world origin.
Relative
--------
Bring the input object geometry, location, rotation and scale into the
modified object maintaining the relative position between the two objects in
the scene.
Relative space violates a bit the design of the nodetree. The geometry in this
case is transformed so that moving the modified object doesn't interfere with
the geometry. This is particularly useful for the boolean node for instance.
"Original" is the default space, but old files are set to "Relative" for
backwards compatibility.
Differential Revision: https://developer.blender.org/D10124
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The translate node moves every point in the geometry, and the scale
node multiplies the "scale" attribute of the input geometry by its input.
While these operations are already possible with the "Attribute" nodes,
these new nodes fit nicely with the nodes specifically for changing the
"rotation" attribute that already exist, and they provide a simpler way
to do the same thing.
Differential Revision: https://developer.blender.org/D10100
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This is consistent with the other node names, giving (almost) all of the
nodes in the "Point" category the same prefix.
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This commit adds the "Save as Render" feature to the file output node,
that allows to disable the application of the configured view transform
and other color management settings on the image. If disable it uses
the standard view transform instead. This feature was originally
suggested in T83842 and is part of the color management improvements
task in T68926. With this feature it is possible to toggle the
application of the color management settings for each input socket
of the File Output node individually.
Reviewed By: brecht
Maniphest Tasks: T68926, T83842
Differential Revision: https://developer.blender.org/D9921
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This adds a new Align Rotation to Vector node based on the mockup
in T83669.
Reviewers: HooglyBoogly, simonthommes
Differential Revision: https://developer.blender.org/D10081
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This patch implements the same operations and interface as the regular
vector math node, but it runs for every element of the attribute. This
should expand what's possible with geometry nodes quite a bit.
Differential Revision: https://developer.blender.org/D9914
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{D9211} introduced pre-multiplying the color for the keying node. This
pre-multiplication should also be done by other keying nodes and should be
the default operation for alpha node.
This patch will change the logic of keying nodes (Cryptomatte Node,
Channel Matte, Chroma Matte, Color Matte, Difference Matte, Distance
Matte, Luminance Matte) and breaks old files.
The Set alpha node has a mode parameter. This parameter changes
the logic to `Apply Mask` the alpha on the RGBA channels of the input color
or only replace the alpha channel (old behavior).
The replace mode is automatically set for older files. When adding
new files the the multiply mode is set.
Reviewed By: Sergey Sharybin
Differential Revision: https://developer.blender.org/D9630
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This node updates the "rotation" attribute on points.
Multiple ways to specify the rotation are supported.
Differential Revision: https://developer.blender.org/D9883
Ref T83668.
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I tested building so many times while making this patch, but somehow
the previous commit was missing a padding variable, I have no idea how.
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In some cases the variables were set but never used anywhere.
Differential Revision: https://developer.blender.org/D9889
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Ref: T82651
Normally people use "Combine XYZ" to input a vector, but it is more
interesting to have an explicit vector input.
So this is basically "Combine XYZ" without any input sockets, the values
are stored in the node itself.
Differential Revision: https://developer.blender.org/D9885
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Since creating the attribute node, a helper function has been added to
automatically get the input attribute or a constant value, depending on
the "input type" values for the node. This commit replaces the specific
implementation of that behavior with the new helper function.
The versioning is necessary since the node now has a "storage" struct.
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This patch adds two related nodes, a node for separating points
and mesh vertices based on a boolean attribute input, and a node
for creating boolean attributes with comparisons.
See the differential for an example file and video.
Point Separate (T83059)
The output in both geometries is just point data, contained in the mesh
and point cloud components, depending which components had data in the
input geometry. Any points with the mask attribute set to true will be
moved from the first geometry output to the second. This means that
for meshes, all edge and face data will be removed. Any point domain
attributes are moved to the correct output geometry as well.
Attribute Compare (T83057)
The attribute compare does the "Equal" and "Not Equal" operations by
comparing vectors and colors based on their distance from each other.
For other operations, the comparison is between the lengths of the
vector inputs. In general, the highest complexity data type is used
for the operation, and a new function to determine that is added.
Differential Revision: https://developer.blender.org/D9876
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Differential Revision: https://developer.blender.org/D9861
Ref T82585.
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This patch does two things:
* Introduce a Seed to the random distribution method
* Bring in a new distribution method for the point scattering node
Patch Review: https://developer.blender.org/D9787
Note: This commit doesn't not handle doversion. Which means that users
need to manually update their files that were using the Point Distribute
node and reconnect inputs to the "Maximum Density" socket.
Original patch by Sebastian Parborg, with changes to not rely on the cy
libraries and overall cleanup.
Patch review by Jacques Lucke, besides help with the new "heap" system
that was required for this algorithm.
Based on Cem Yuksel. 2015. Sample Elimination for Generating Poisson Disk
Sample. Sets. Computer Graphics Forum 34, 2 (May 2015), 25-32
http://www.cemyuksel.com/research/sampleelimination/
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Remove DNA headers, using forward declarations where possible.
Also removed duplicate header, header including it's self
and unnecessary inclusion of libc system headers from BKE header.
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This changes the way how the mattes are stored in the compositor node. This used to
be a single string what was decoded/encoded when needed. The new data structure
stores all entries in `CryptomatteEntry` and is converted to the old `matte_id`
property on the fly.
This is done for some future changes in the workflow where a more structured
approach leads to less confusing and easier to read code.
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The Point Instance node can instance entire collections now.
Before, only individual collections were supported.
Randomly selecting objects from the collection on a per point basis
is not support, yet.
Last part of D9739.
Ref T82372.
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The implementation is pretty much the same as for Object sockets.
The socket color is the one that is used for collections in the outliner.
Part of D9739.
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This node can be used to mix two attributes in various ways.
The blend modes are the same as in the MixRGB shader node.
Differential Revision: https://developer.blender.org/D9737
Ref T82374.
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This is a non-functional change. The functionality introduced in this commit
is not used in master yet. It is used by nodes that are being developed in
other branches though.
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This is the initial merge from the geometry-nodes branch.
Nodes:
* Attribute Math
* Boolean
* Edge Split
* Float Compare
* Object Info
* Point Distribute
* Point Instance
* Random Attribute
* Random Float
* Subdivision Surface
* Transform
* Triangulate
It includes the initial evaluation of geometry node groups in the Geometry Nodes modifier.
Notes on the Generic attribute access API
The API adds an indirection for attribute access. That has the following benefits:
* Most code does not have to care about how an attribute is stored internally.
This is mainly necessary, because we have to deal with "legacy" attributes
such as vertex weights and attributes that are embedded into other structs
such as vertex positions.
* When reading from an attribute, we generally don't care what domain the
attribute is stored on. So we want to abstract away the interpolation that
that adapts attributes from one domain to another domain (this is not
actually implemented yet).
Other possible improvements for later iterations include:
* Actually implement interpolation between domains.
* Don't use inheritance for the different attribute types. A single class for read
access and one for write access might be enough, because we know all the ways
in which attributes are stored internally. We don't want more different internal
structures in the future. On the contrary, ideally we can consolidate the different
storage formats in the future to reduce the need for this indirection.
* Remove the need for heap allocations when creating attribute accessors.
It includes commits from:
* Dalai Felinto
* Hans Goudey
* Jacques Lucke
* Léo Depoix
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We still have to pick a color for this socket.
Ref T81848.
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Some DNA headers already did this, most did not. Even though many of them would
be included in C++ files and thus compiled as C++. This would be confusing and
developers may think they have to add `extern "C"` too a whole lot of
(indirect) includes to be able to use a C header in C++.
However, this is a misconception.
`extern "C"` does not cause code to be compiled with C rather than C++! It only
causes the linker to not use C++ function name mangling. See
https://stackoverflow.com/a/1041880.
Because extern DNA headers don't have function declarations, using `extern "C"`
actually should not have any effect. On the other hand, adding it causes no
harm and avoids confusion. So let's just have it consistently in C header
files.
Differential Revision: https://developer.blender.org/D9578
Reviewed by: Bastien Montagne, Sybren Stüvel
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This patch allows the user to type a property name into the
Attribute node, which will then output the value of the property
for each individual object, allowing to e.g. customize shaders
by object without duplicating the shader.
In order to make supporting this easier for Eevee, it is necessary
to explicitly choose whether the attribute is varying or uniform
via a dropdown option of the Attribute node. The dropdown also
allows choosing whether instancing should be taken into account.
The Cycles design treats all attributes as one common namespace,
so the Blender interface converts the enum to a name prefix that
can't be entered using keyboard.
In Eevee, the attributes are provided to the shader via a UBO indexed
with resource_id, similar to the existing Object Info data. Unlike it,
however, it is necessary to maintain a separate buffer for every
requested combination of attributes.
This is done using a hash table with the attribute set as the key,
as it is expected that technically different but similar materials
may use the same set of attributes. In addition, in order to minimize
wasted memory, a sparse UBO pool is implemented, so that chunks that
don't contain any data don't have to be allocated.
The back-end Cycles code is already refactored and committed by Brecht.
Differential Revision: https://developer.blender.org/D2057
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The design for how we approach the "Everything Nodes" project
has changed. We will focus on a different part of the project initially.
While future me will likely refer back to some of the code I remove here,
there is no point in keeping this code around in master currently.
It would just confuse other developers working on the project.
This does not remove the simulation modifier and data block. Those are
just cleaned up, so that the boilerplate code can be reused in the future.
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Follow our code style guide by using C-comments for text descriptions.
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This replaces header include guards with `#pragma once`.
A couple of include guards are not removed yet (e.g. `__RNA_TYPES_H__`),
because they are used in other places.
This patch has been generated by P1561 followed by `make format`.
Differential Revision: https://developer.blender.org/D8466
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Differential Revision: https://developer.blender.org/D8091
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This commit adds a new model to the Sky Texture node, which is based on a
method by Nishita et al. and works by basically simulating volumetric
scattering in the atmosphere.
By making some approximations (such as only considering single scattering),
we get a fairly simple and fast simulation code that takes into account
Rayleigh and Mie scattering as well as Ozone absorption.
This code is used to precompute a 512x128 texture which is then looked up
during render time, and is fast enough to allow real-time tweaking in the
viewport.
Due to the nature of the simulation, it exposes several parameters that
allow for lots of flexibility in choosing the look and matching real-world
conditions (such as Air/Dust/Ozone density and altitude).
Additionally, the same volumetric approach can be used to compute absorption
of the direct sunlight, so the model also supports adding direct sunlight.
This makes it significantly easier to set up Sun+Sky illumination where
the direction, intensity and color of the sun actually matches the sky.
In order to support properly sampling the direct sun component, the commit
also adds logic for sampling a specific area to the kernel light sampling
code. This is combined with portal and background map sampling using MIS.
This sampling logic works for the common case of having one Sky texture
going into the Background shader, but if a custom input to the Vector
node is used or if there are multiple Sky textures, it falls back to using
only background map sampling (while automatically setting the resolution to
4096x2048 if auto resolution is used).
More infos and preview can be found here:
https://docs.google.com/document/d/1gQta0ygFWXTrl5Pmvl_nZRgUw0mWg0FJeRuNKS36m08/view
Underlying model, implementation and documentation by Marco (@nacioss).
Improvements, cleanup and sun sampling by @lukasstockner.
Differential Revision: https://developer.blender.org/D7896
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