Replaces the boolean option with enum menus for consistency
with the subdivision modifier (rB66151b5de3ff,rB3d3b6d94e6e).
Adds all UV interpolation options.
Original patch by Eitan. Updated by Himanshi Kalra <calra>.
{F9883204}
Reviewed By: HooglyBoogly
Differential Revision: https://developer.blender.org/D10417
This makes texture sockets have a label by default. This can be changed
by adding the SOCK_HIDE_LABEL flag to the socket. With this change the
switch node now shows the labels "True" and "False" like for the other
types of sockets.
Just like the "Select by Material" node, this node outputs a
boolean attribute for control points that have a matching handle
type. By default left and right handles are considered, but it's
possible to only check one side with the toggle in the node.
Differential Revision: https://developer.blender.org/D12135
Some mesh primitives created using geometry nodes use loops to create
vertices and accumulates positions/angles in FP variables. This allows
rounding errors to accumulate and can introduce significant errors.
To minimize changes from original implementation, variables allowing
errors to accumulate are replaced by: delta * index. Affected Mesh
Primitives nodes are Line, Grid, Cylinder, Circle, Cone, and UV-Sphere.
Differential Revision: https://developer.blender.org/D12136
Add warning(info) to nodes that don't work when an input value is
out of range. For example, the grid node doesn't work with Vertices X
or Verices Y less than 2.
These are purposefully added as "Info" warnings, because they don't
show in the modifier and they aren't printed to the terminal.
Differential Revision: https://developer.blender.org/D11923
This node sets the selected (or all) splines in curve to a chosen target
spline type. Poly, Bezier, and NURB splines can be converted to any of
the other types. This is meant to be a building block node, useful in
many procedural situations.
In the future the node could be optimized with multi-threading, or by
avoiding copying in many cases, either by retrieving the curve for write
access or by passing the raw vectors to the new splines where possible.
With edits from Hans Goudey (@HooglyBoogly)
Differential Revision: https://developer.blender.org/D12013
Because mesh vertex and face normals are just derived data, they can
be calculated lazily instead of eagerly. Often normal calculation is
a relatively expensive task, and the calculation is often redundant
if the mesh is deformed afterwards anyway.
Instead, normals should be calculated only when they are needed. This
commit moves in that direction by adding a new function to tag a mesh's
normals dirty and replacing normal calculation with it in some places.
Differential Revision: https://developer.blender.org/D12107
Retrieving a mesh's looptris now take's a const mesh after
rB5f8969bb4b4, which removes the need for this function.
Since it's only two lines, avoiding the use of a separate function
in this case is simpler.
This adds the operator name to the node label which is consistent with the shading nodes.
The vector node has `Vector` as a prefix.
The Attribute nodes already have a different coloured header.
The same label is used when collapsing nodes, this helps readability.
Reviewed By: pablovazquez
Differential Revision: https://developer.blender.org/D10749
Because these handles are calculated lazily, we need to make sure they
are calculated before switching to a manually positioned mode.
I doubt it would ever be necessary, but theoretically this could happen
on a per-point level, to avoid calculating handles not in the selection.
This node takes a curve and a point selection and allows you to set the
specified (or all) points left/right or both handles to a given type.
Differential Revision: https://developer.blender.org/D11992
Just add a check for whether the mesh has faces when retrieving an
attribute on the corner domain. In the future there could be an info
message in the node in this case, since maybe it's not intuitive.
Using const indexes and offsets helps to make the logic less sequential,
which is hopefully easier to understand and possibly easier to parallelize
in the future. Also order return arguments last.
The code used `Spline::LookupResult` in a way that referred to evaluated
points and control points interchangeably. That didn't affect the logic,
but the code became harder to read. Instead, introduce a local struct
to contain the data in a more obvious way.
This node implements shortening each spline in the curve based on
either a length from the start of each spline, or a factor of the
total length of each spline, similar to the "Start & End Mapping"
panel of curve properties.
For Bezier curves, the first and last control points are adjusted
to maintain the shape of the curve, but NURB splines are currently
implicitly converted to poly splines.
The node is implemented to avoid copying where possible, so it outputs
a changed version of the input curve rather than a new one.
Differential Revision: https://developer.blender.org/D11901
This logic is from the curve sundivide node, used to add points with
proper handles in between two existing points. However, the same logic
is used for trimming of Bezier splines, and possibly interactive point
insertion in the future, so it's helpful as a general utility.
The logic is converted to depend on a bezier spline instead of being
static. A temporary segment spline can be used for the latter use case.
This commit moves the storage of `bDeformGroup` and the active index
to `Mesh`, `Lattice`, and `bGPdata` instead of `Object`. Utility
functions are added to allow easy access to the vertex groups given
an object or an ID.
As explained in T88951, the list of vertex group names is currently
stored separately per object, even though vertex group data is stored
on the geometry. This tends to complicate code and cause bugs,
especially as geometry is created procedurally and tied less closely
to an object.
The "Copy Vertex Groups to Linked" operator is removed, since they
are stored on the geometry anyway.
This patch leaves the object-level python API for vertex groups in
place. Creating a geometry-level RNA API can be a separate step;
the changes in this commit are invasive enough as it is.
Note that opening a file saved in 3.0 in an earlier version means
the vertex groups will not be available.
Differential Revision: https://developer.blender.org/D11689
This commit adds a curve primitive node for creating squares,
rectangles, trapezoids, kites, and parallelograms. It also includes
a mode where the four points are just vector inputs.
Differential Revision: https://developer.blender.org/D11665
Rename the mesh circle to "Mesh Circle", mesh line to "Mesh Line",
and mesh subdivide to "Mesh Subdivide". Previously they looked exactly
the same in the search menu, and the nodes themselves had the same
label. This is a "deep" rename that also renames internal defines and
function names to match the UI.
This node is quite similar to the curve to points node, but creates
points for only the start and end of each spline. This is a separate
node because the sampling from the curve to points node don't apply,
and just for ease of use.
All attributes from the curves are copied, including the data for
instancing: tangents, normals, and the derived rotations. One simple
use case is to make round caps on curves by instancinghalves of a
sphere on each end of the splines.
Differential Revision: https://developer.blender.org/D11719
The curve resample node neglected to copy attributes to single point
result splines. That could have caused errors if some of the splines
in the result had only one point but others had more.
The menu lists all socket types that are valid for the node tree.
Changing a socket type updates all instances of the group and keeps
existing links to the socket.
If changing the socket type leads to incorrect node connections the
links are flagged as invalid (red) and ignored but not removed. This is
so users don't lose information and can then fix resulting issues.
For example: Changing a Color socket to a Shader socket can cause an
invalid Shader-to-Color connection.
Implementation details:
The new `NODE_OT_tree_socket_change_type` operator uses the generic
`rna_node_socket_type_itemf` function to list all eligible socket types.
It uses the tree type's `valid_socket_type` callback to test for valid
types. In addition it also checks the subtype, because multiple RNA
types are registered for the same base type. The `valid_socket_type`
callback has been modified slightly to accept full socket types instead
of just the base type enum, so that custom (python) socket types can be
used by this operator.
The `nodeModifySocketType` function is now called when group nodes
encounter a socket type mismatch, instead of replacing the socket
entirely. This ensures that links are kept to/from group nodes as well
as group input/output nodes. The `nodeModifySocketType` function now
also takes a full `bNodeSocketType` instead of just the base and subtype
enum (a shortcut `nodeModifySocketTypeStatic` exists for when only
static types are used).
Differential Revision: https://developer.blender.org/D10912
This node creates a poly spline line in one of 2 modes:
- Line between two points
- Start Point, Direction, and Length
Both modes create splines with only start and endpoints.
A resample node can be used afterward to increase the point count.
Differential Revision: https://developer.blender.org/D11769
This adds a viewer node similar to the one in the compositor.
The icon in the headers of nodes is removed because it served
the same purpose and is not necessary anymore.
Node outputs can be connected to the active viewer using
ctrl+shift+LMB, just like in the compositor. Right now this collides
with the shortcut used in the node wrangler addon, which will
be changed separately.
As of now, the viewed geometry is only visible in the spreadsheet.
Viewport visualization will be added separately.
There are a couple of benefits of using a viewer node compared
to the old approach with the icon in the node header:
* Better support for nodes that have more than one geometry output.
* It's more consistent with the compositor.
* If attributes become decoupled from geometry in the future,
the viewer can have a separate input for the attribute to visualize.
* The viewer node could potentially have visualization settings.
* Allows to keep "visualization points" around by having multiple
viewer nodes.
* Less visual clutter in node headers.
Differential Revision: https://developer.blender.org/D11470
A point of confusion about this node is that it doesn't work on the
output of the mesh circle primitive node. This patch adds a warning to
help with that. This avoids adding a warning when the geometry set
input has no mesh.
Differential Revision: https://developer.blender.org/D11771
As noted in a comment now, these functions only update a cache, so they
don't change the logical state of the mesh, which is "it will have the
data when necessary." Using a const argument will help const correctness
when accessing an object's evaluated mesh.
This node has two modes: the first mode computes a circle from three
locations and a resolution. The second takes radius and resolution.
The first mode also outputs the center of the computed circle as
a vector.
Differential Revision: https://developer.blender.org/D11650
Creates a Curve with 1 Bezier Spline from four positions (start,
start handle, end handle, end) and a resolution. The handles are
aligned and mirrored automatically. An "Offset" mode is also included
to allow specifying the handles relative to the control points.
The default settings recreate the existing default Bezier Curve in the
3D viewport add menu.
Differential Revision: https://developer.blender.org/D11648
