Commit Graph

773 Commits

Author SHA1 Message Date
db795a4727 Cleanup: move public doc-strings into headers for 'makesrna'
Ref T92709
2021-12-08 17:12:40 +11:00
Charlie Jolly
be70827e6f Nodes: Add Float Curve for GN and Shader nodes.
Replacement for float curve in legacy Attribute Curve Map node.

Float Curve defaults to [0.0-1.0] range.

Reviewed By: JacquesLucke, brecht

Differential Revision: https://developer.blender.org/D12683
2021-09-30 19:24:40 +01:00
a2c5c2b406 GPencil: Dot dash modifier.
Create dot-dash effect for grease pencil strokes. User can manually edit the length, gap and styles for each segment of dashed lines.

The values in each segment can all be key-framed to make animations.

Reviewed By: Hans Goudey (HooglyBoogly), Antonio Vazquez (antoniov)

Differential Revision: http://developer.blender.org/D11876
2021-09-15 14:38:32 +08:00
3e44592cb9 Cleanup: comment unused functions 2021-09-06 15:51:53 +10:00
Aaron Carlisle
d10ea97053 Compositor: New Posterize Node
The posterize node limits the number of colors per channel.
This is useful to generate masks or to generate stylized images

Both the tiled and full-frame implementation are included in this patch

{F10314012}

Reviewed By: manzanilla, jbakker

Differential Revision: https://developer.blender.org/D12304
2021-09-05 15:24:35 -04:00
f9ccd26b03 Fix T87768: .path_resolve fails when requested property is None.
Add a version of RNA_path_resolve_full that returns true
when the path resolves to a NULL RNA pointer.
2021-09-03 21:58:52 +10:00
3e4d720ae4 Fix logical error resolving RNA paths
Only append RNA_path_from_ID_to_struct to context attributes if those
paths resolve to ID types.

Also simplify creating RNA paths by adding utility functions:

- WM_context_path_resolve_property_full
- WM_context_path_resolve_full

Part of fix for T90723.
2021-08-31 12:06:47 +10:00
8b9a3b94fc Refactor IDProperty UI data storage
The storage of IDProperty UI data (min, max, default value, etc) is
quite complicated. For every property, retrieving a single one of these
values involves three string lookups. First for the "_RNA_UI" group
property, then another for a group with the property's name, then for
the data value name. Not only is this inefficient, it's hard to reason
about, unintuitive, and not at all self-explanatory.

This commit replaces that system with a UI data struct directly in the
IDProperty. If it's not used, the only cost is of a NULL pointer. Beyond
storing the description, name, and RNA subtype, derived structs are used
to store type specific UI data like min and max.

Note that this means that addons using (abusing) the `_RNA_UI` custom
property will have to be changed. A few places in the addons repository
will be changed after this commit with D9919.

**Before**
Before, first the _RNA_UI subgroup is retrieved the _RNA_UI group,
then the subgroup for the original property, then specific UI data
is accessed like any other IDProperty.
```
prop = rna_idprop_ui_prop_get(idproperties_owner, "prop_name", create=True)
prop["min"] = 1.0
```

**After**
After, the `id_properties_ui` function for RNA structs returns a python
object specifically for managing an IDProperty's UI data.
```
ui_data = idproperties_owner.id_properties_ui("prop_name")
ui_data.update(min=1.0)
```
In addition to `update`, there are now other functions:
 - `as_dict`: Returns a dictionary of the property's UI data.
 - `clear`: Removes the property's UI data.
 - `update_from`: Copy UI data between properties,
   even if they have different owners.

Differential Revision: https://developer.blender.org/D9697
2021-08-27 08:27:24 -05:00
0682af0d63 RNA: add length augmented to RNA_string_get_alloc
This was noted as a TODO as it wraps RNA_property_string_get_alloc
which takes a length return argument.
2021-08-23 15:08:48 +10:00
04ef718226 RNA: include base types in RNA_struct_type_find_property search
Add RNA_struct_type_find_property_no_base for use in the rare situations
when this isn't desired.

Resolves T90617, where sequence strip sub-types weren't detecting
properties that exist in the base "Sequence" types.
2021-08-12 17:14:15 +10:00
62cb5c5c4a Enable Asset Browser by default for poses, rest stays experimental
Idea for 3.0 is to disable all functionality that isn't well polished
and focus on those parts first. Starting with poses.

* Adds a new experimental option "Extended Asset Browser", replacing
  "Asset Browser".
* Unlike the previous option, this isn't enabled by default anymore.
  This didn't work well in practice and caused plenty of confusion.
* "Mark as Asset" and "Clear Asset" are hidden if the option is
  disabled.
* Same for the category selection in the Asset Browser.
* Always show display the "Only Assets" option in the File Browser while
  browing inside .blend files. That way you can hide data-blocks that
  are not pose assets.
* The Asset Library setup UI in the Preferences is always visible now,
  it's needed for pose library access.

Addresses T90181, T90180 and T90300.

Differential Revision: https://developer.blender.org/D12120
2021-08-11 14:32:07 +02:00
35affaa971 Assets: AssetHandle type as temporary design to reference assets
With temporary I mean that this is not intended to be part of the
eventual asset system design. For that we are planning to have an
`AssetRepresentation` instead, see T87235. Once the `AssetList` is
implemented (see T88184), that would be the owner of the asset
representations.

However for the upcoming asset system, asset browser, asset view and
pose library commits we need some kind of asset handle to pass around.
That is what this commit introduces.
Idea is a handle to wrap the `FileDirEntry` representing the asset, and
an API to access its data (currently very small, will be extended in
further commits). So the fact that an asset is currently a file
internally is abstracted away. However: We have to expose it as file in
the Python API, because we can't return the asset-handle directly there,
for reasons explained in the code. So the active asset file is exposed
as `bpy.context.asset_file_handle`.
2021-07-15 16:12:36 +02:00
7898089de3 Assets: Add an active asset library per workspace, for the UI to use
This per-workspace active asset library will be used by the asset views
later. Note that Asset Browsers have their own active asset library,
overriding the one from the workspace.

As part of this the `FileSelectAssetLibraryUID` type gets replaced by
`AssetLibraryReference` which is on the asset level now, not the
File/Asset Browser level. But some more work is needed to complete that,
which is better done in a separate commit.
This also moves the asset library from/to enum-value logic from RNA to
the editor asset level, which will later be used by the asset view.
2021-07-15 16:12:36 +02:00
c202d38659 Python API: Add functions to ensure and clear IDProperties
This adds id_properties_clear() and id_properties_ensure() functions
to RNA structs. This is meant as an initial change based on discussion
in review of D9697. However, they may be useful in other situations.

The change requires refactoring the internal idproperties callback to
return a pointer to the IDProperty pointer, which actually turns out
to be quite a nice cleanup.

An id_properties attribute could be added in the future potentially.

Differential Revision: https://developer.blender.org/D11908
2021-07-14 10:51:28 -04:00
586cf8b190 Nodes: Adds button to groups to change type of sockets.
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
2021-07-06 18:36:11 +01:00
501d2443d0 Cleanup: use const arguments for accessor functions 2021-06-30 16:42:19 +10:00
f9aea19d98 Spreadsheet Editor: Row Filters
This patch adds support for filtering rows based on rules and values.
Filters will work for any attribute data source, they are a property
of the spreadsheet rather than of the attribute system. The properties
displayed in the row filter can depend on data type of the currently
visible column with that name. If the name is no longer visible, the
row filter filter is grayed out, but it will remember the value until
a column with its name is visible again.

Note: The comments in `screen.c` combined with tagging the sidebar
for redraw after the main region point to a lack of understanding
or technical debt, that is a point to improve in the future.

**Future Improvements**
* T89272: A search menu for visible columns when adding a new filter.
* T89273: Possibly a "Range" operation.

Differential Revision: https://developer.blender.org/D10959
2021-06-18 16:33:02 -05:00
cd16123761 GPencil: Adding length modifier.
Reviewed By: Antonio Vazquez (antoniov)

Differential Revision: https://developer.blender.org/D8264
2021-05-20 23:35:53 +08:00
Henrik Dick
0447aedb96 UI: add non-linear slider support
This patch introduces non linear sliders. That means, that the movement
of the mouse doesn't map linearly to the value of the slider.

The following changes have been made.

- Free logarithmic sliders with maximum range of (`0 <= x < inf`)
- Logarithmic sliders with correct value indication bar.
- Free cubic sliders with maximum range of (`-inf < x < inf`)
- Cubic sliders with correct value indication bar.

Cubic mapping has been added as well, because it's used for brush sizes
in other applications (Krita for e.g.).

To make a slider have a different scale type use following line in RNA:
 `RNA_def_property_ui_scale_type(prop, PROP_SCALE_LOGARITHMIC);`
or:
 `RNA_def_property_ui_scale_type(prop, PROP_SCALE_CUBIC);`

Test the precision, step size and soft-min if you change the scale type
of a property as it will feel very different and may need tweaking.

Ref D9074
2021-05-17 17:33:55 +10:00
3810bcc160 Spreadsheet: breadcrumbs and node pinning
This introduces a context path to the spreadsheet editor, which contains
information about what data is shown in the spreadsheet. The context
path (breadcrumbs) can reference a specific node in a node group
hierarchy. During object evaluation, the geometry nodes modifier checks
what data is currently requested by visible spreadsheets and stores
the corresponding geometry sets separately for later access.

The context path can be updated by the user explicitely, by clicking
on the new icon in the header of nodes. Under some circumstances,
the context path is updated automatically based on Blender's context.

This patch also consolidates the "Node" and "Final" object evaluation
mode to just "Evaluated". Based on the current context path, either
the final geometry set of an object will be displayed, or the data at
a specific node.

The new preview icon in geometry nodes now behaves more like
a toggle. It can be clicked again to clear the context path in an
open spreadsheet editor.

Previously, only an object could be pinned in the spreadsheet editor.
Now it is possible to pin the entire context path. That allows two
different spreadsheets to display geometry data from two different
nodes.

The breadcrumbs in the spreadsheet header can be collapsed by
clicking on the arrow icons. It's not ideal but works well for now.
This might be changed again, if we get a data set region on the left.

Differential Revision: https://developer.blender.org/D10931
2021-04-15 09:00:47 +02:00
3e87d8a431 Grease Pencil: Add LineArt modifier
This adds the LineArt grease pencil modifier.

It takes objects or collections as input and generates various grease
pencil lines from these objects with the help of the active scene
camera. For example it can generate contour lines, intersection lines
and crease lines to name a few.

This is really useful as artists can then use 3D meshes to automatically
generate grease pencil lines for characters, enviroments or other
visualization purposes.

These lines can then be baked and edited as regular grease pencil lines.

Reviewed By: Sebastian Parborg, Antonio Vazquez, Matias Mendiola

Differential Revision: http://developer.blender.org/D8758
2021-03-16 19:59:09 +01:00
d49e7b82da Compositor: Redesign Cryptomatte node for better usability
In the current implementation, cryptomatte passes are connected to the node
and elements are picked by using the eyedropper tool on a special pick channel.

This design has two disadvantages - both connecting all passes individually
and always having to switch to the picker channel are tedious.

With the new design, the user selects the RenderLayer or Image from which the
Cryptomatte layers are directly loaded (the type of pass is determined by an
enum). This allows the node to automatically detect all relevant passes.

Then, when using the eyedropper tool, the operator looks up the selected
coordinates from the picked Image, Node backdrop or Clip and reads the picked
object directly from the Renderlayer/Image, therefore allowing to pick in any
context (e.g. by clicking on the Combined pass in the Image Viewer). The
sampled color is looked up in the metadata and the actual name is stored
in the cryptomatte node. This also allows to remove a hash by just removing
the name from the matte id.

Technically there is some loss of flexibility because the Cryptomatte pass
inputs can no longer be connected to other nodes, but since any compositing
done on them is likely to break the Cryptomatte system anyways, this isn't
really a concern in practise.

In the future, this would also allow to automatically translate values to names
by looking up the value in the associated metadata of the input, or to get a
better visualization of overlapping areas in the Pick output since we could
blend colors now that the output doesn't have to contain the exact value.

Idea + Original patch: Lucas Stockner
Reviewed By: Brecht van Lommel

Differential Revision: https://developer.blender.org/D3959
2021-03-16 07:43:17 +01:00
e125305af4 Fix T86332: Error using lambda in annotations in Python 3.10
Callbacks used in `bpy.props` didn't hold a references to the functions
they used.

While this has been the case since early 2.5x it didn't cause any
problems as long as the class held a reference.

With Python 3.10 or when using `from __future__ import annotations`,
the annotations are no longer owned by the class once evaluated.

Resolve this by holding a reference in the module, which now supports
traverse & clear callbacks so the objects are visible to Python's
garbage collector.

Also refactor storage of Python data, moving from an array into a struct.
2021-03-16 15:17:45 +11:00
74557ca4f7 LibOverride: Add a new operation to Outliner to enforce resync of hierarchies.
This is basically done by ignoring override operations from old override
affecting ID pointer properties, when the new (destination) one is not
NULL.

Fix T86501: New object added to overridden collection doesn't show up in linking file on Resync.

This is more of a work-around actually, since there is no real way to
fix the issue in a fully automated and consistent way, it is caused by
older blender files being saved with 'broken' overrides.

WARNING: This cannot ensure that some purposedly edited/overridden ID
pointer properties won't be lost in the process.
2021-03-12 12:31:25 +01:00
9cb5f0a228 Spreadsheet: add boilerplate code for new editor type
This adds the initial boilerplate code that is required to introduce
the new spreadsheet editor. The editor is still hidden from the ui.

It can be made visible by undoing the change in `rna_screen.c`.

This patch does not contain any business logic for the spreadsheet editor.

Differential Revision: https://developer.blender.org/D10645

Ref T86279.
2021-03-08 16:25:08 +01:00
5dced2a063 Geometry Nodes: expose float2 attribute in rna
This also fixes the issue reported in T85651.

Differential Revision: https://developer.blender.org/D10477
2021-02-20 11:33:43 +01:00
dabf96f732 Attributes: support bool attribute in rna
Differential Revision: https://developer.blender.org/D10387
2021-02-11 13:44:58 +01:00
aa030d3459 Fix: Unable to animate nodes modifier exposed properties
The RNA path used for animating the settings passed to the node tree
is incorrect. Currently it's just `settings.property_name`, but it's
the path from the ID, not the modifier, so it should be
`modifiers[modifier_name].settings.property_name`.

However, the "Settings" struct is separated in RNA and DNA, which means
that the callback to get the RNA path does not know about the modifier's
name in order to fill the above path, so some reference to the modifier
in the "Settings" struct would be necessary, which would create a
convoluted layout in the `ModifierData` struct.

Instead, this commit simply removes the "Settings" struct from RNA,
which isn't as elegant from the point of view of the Python API,
but otherwise it's a nice simplification. Note that we don't remove the
"Settings" struct from DNA, because it would break reading old files.

Differential Revision: https://developer.blender.org/D10175
2021-01-25 11:46:55 -06:00
fea1026bb8 Cleanup: use 'pragma once'
Add explanations for cases the header-guard defines are still used.
2021-01-04 17:38:11 +11:00
Aaron Carlisle
6538f1e600 Compositor: New Exposure Node
This new node increases the radiance of an image by a scalar value.
Previously, the only way to adjust the the exposure of an image was with
math node or using the scene's color management.

Reviewed By: jbakker

Differential Revision: https://developer.blender.org/D9677
2020-12-19 14:41:14 -05:00
70474e1a7c Asset System: Prepare File Browser backend for the Asset Browser
The Asset Browser will be a sub-editor of the File Browser. This prepares the
File Browser code for that.

**File-Lists**
* Support loading assets with metadata read from external files into the
  file-list.
* New main based file-list type, for the "Current File" asset library.
* Refresh file-list when switching between browse modes or asset libraries.
* Support empty file-lists (asset library with no assets).
* Store file previews as icons, so scripts can reference them via icon-id. See
  previous commit.

**Space Data**
* Introduce "browse mode" to differeniate between file and asset browsing.
* Add `FileAssetSelectParams` to `SpaceFile`, with `FileSelectParams` as base.
  Makes sure data is separated between asset and file browsing when switching
  between them. The active params can be obtained through
  `ED_fileselect_get_active_params()`.
* `FileAssetSelectParams` stores the currently visible asset library ID.
* Introduce file history abstraction so file and asset browsing can keep a
  separate history (previous and next directories).

**General**
* Option to only show asset data-blocks while file browsing (not exposed here).
* Add "active_file" context member, so scripts can get and display info about
  the active file.
* Add "active_id" context member, so `ED_OT_lib_id_load_custom_preview` can set
  a custom ID preview. (Only for "Current File" asset library)
* Expose some of `FileDirEntry` in RNA as (non-editable). That way scripts can
  obtain name, preview icon and asset-data.

Part of the first Asset Browser milestone. Check the #asset_browser_milestone_1
project milestone on developer.blender.org.

Differential Revision: https://developer.blender.org/D9724

Reviewed by: Bastien Montagne
2020-12-15 17:03:48 +01:00
e413c80371 Asset System: Support custom asset library paths through Preferences
One of the core design aspects of the Asset Browser is that users can "mount"
custom asset libraries via the Preferences. Currently an asset library is just
a directory with one or more .blend files in it. We could easily support a
single .blend file as asset library as well (rather than a directory). It's
just disabled currently.

Note that in earlier designs, asset libraries were called repositories.

Idea is simple: In Preferences > File Paths, you can create custom libraries,
by setting a name and selecting a path. The name is ensured to be unique. If
the name or path are empty, the Asset Browser will not show it in the list of
available asset libraries.
The library path is not checked for validity, the Asset Browser will allow
selecting invalid libraries, but show a message instead of the file list, to
help the user understand what's going on.
Of course the actual Asset Browser UI is not part of this commit, it's in one
of the following ones.

{F9497950}

Part of the first Asset Browser milestone. Check the #asset_browser_milestone_1
project milestone on developer.blender.org.

Differential Revision: https://developer.blender.org/D9722

Reviewed by: Brecht Van Lommel, Hans Goudey
2020-12-15 17:03:48 +01:00
b71eb3a105 Asset System: Data-block asset metadata storage, reading and API
Asset metadata is what turns a regular data-block into an asset. It is a small
data-structure, but a key part of the technical design of the asset system.

The design foresees that asset data-blocks store an `ID.asset_data` pointer of
type `AssetMetaData`. This data **must not** have dependencies on other
data-blocks or data-block data, it must be an independent unit. That way we can
read asset-metadata from .blends without reading anything else from the file.
The Asset Browser will use this metadata (together with the data-block name,
preview and file path) to represent assets in the file list.

Includes:
* New `ID.asset_data` for asset metadata.
* Asset tags, description and custom properties.
* BKE code to manage asset meta-data and asset tags.
* Code to read asset data from files, without reading IDs.
* RNA for asset metadata (including tags)

Part of the first Asset Browser milestone. Check the #asset_browser_milestone_1
project milestone on developer.blender.org.

Differential Revision: https://developer.blender.org/D9716

Reviewed by: Bastien Montagne, Brecht Van Lommel
2020-12-15 17:03:00 +01:00
f4df036bc4 Cryptomatte: Data structure in compositor node
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.
2020-12-14 16:14:38 +01:00
Jeroen Bakker
2bae11d5c0 EEVEE: Arbitrary Output Variables
This patch adds support for AOVs in EEVEE. AOV Outputs can be defined in the
render pass tab and used in shader materials. Both Object and World based
shaders are supported. The AOV can be previewed in the viewport using the
renderpass selector in the shading popover.

AOV names that conflict with other AOVs are automatically corrected. AOV
conflicts with render passes get a warning icon. The reason behind this is that
changing render engines/passes can change the conflict, but you might not notice
it. Changing this automatically would also make the materials incorrect, so best
to leave this to the user.

**Implementation**

The patch adds a copies the AOV structures of Cycles into Blender. The goal is
that the Cycles will use Blenders AOV defintions. In the Blender kernel
(`layer.c`) the logic of these structures are implemented.

The GLSL shader of any GPUMaterial can hold multiple outputs (the main output
and the AOV outputs) based on the renderPassUBO the right output is selected.
This selection uses an hash that encodes the AOV structure. The full AOV needed
to be encoded when actually drawing the material pass as the AOV type changes
the behavior of the AOV. This isn't known yet when the GLSL is compiled.

**Future Developments**

* The AOV definitions in the render layer panel isn't shared with Cycles.
  Cycles should be migrated to use the same viewlayer aovs. During a previous
  attempt this failed as the AOV validation in cycles and in Blender have
  implementation differences what made it crash when an aov name was invalid.
  This could be fixed by extending the external render engine API.
* Add support to Cycles to render AOVs in the 3d viewport.
* Use a drop down list for selecting AOVs in the AOV Output node.
* Give user feedback when multiple AOV output nodes with the same AOV name
  exists in the same shader.
* Fix viewing single channel images in the image editor [T83314]
* Reduce viewport render time by only render needed draw passes. [T83316]

Reviewed By: Brecht van Lommel, Clément Foucault

Differential Revision: https://developer.blender.org/D7010
2020-12-04 08:14:07 +01:00
3d3a20d6d1 Cleanup: remove most of "#ifdef WITH_GEOMETRY_NODES"
The ones around the simulation datablock are still there, since they are not
needed for the features planned for master yet.
2020-12-02 15:38:47 +01:00
6be56c13e9 Geometry Nodes: initial scattering and geometry nodes
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
2020-12-02 15:38:47 +01:00
8738a668d8 Preferences: separate feature flags for geometry nodes and point cloud type
Those two features are not directly related and one might be activated
in master earlier than the other.

WITH_PARTICLE_NODES was removed, because we continue the project
under the name "Geometry Nodes".
2020-10-21 13:47:50 +02:00
98540511b1 Cleanup: Clang-tidy -readability-inconsistent-declaration-parameter-name
Changes in source/blender/makesrna only.

No functional change.
2020-10-21 01:09:31 +05:30
f7832b1583 Volumes: new Volume to Mesh modifier
This modifier is the opposite of the recently added Mesh to Volume modifier.
It converts the "surface" of a volume into a mesh. The "surface" is defined
by a threshold value. All voxels with a density higher than the threshold
are considered to be inside the volume, while all others will be outside.

By default, the resolution of the generated mesh depends on the voxel
size of the volume grid. The resolution can be customized. It should be
noted that a lower resolution might not make this modifier faster. This
is because we have to downsample the openvdb grid, which isn't a cheap
operation.

Converting a mesh to a volume and then back to a mesh is possible,
but it does require two separate mesh objects for now.

Reviewers: brecht

Differential Revision: https://developer.blender.org/D9141
2020-10-19 12:12:44 +02:00
1f50beb9f2 Volumes: new Volume Displace modifier
This modifier uses a 3D texture to displace a volume.
For now, this can only use the previously existing texture system,
because we do not have a better alternative yet. Still, the results
can be quite good and interesting. See D9075 for some examples.

Reviewers: brecht, simonthommes

Differential Revision: https://developer.blender.org/D9075
2020-10-07 18:04:19 +02:00
Jeroen Bakker
afab33e0b9 UV/Image Editor: Overlay Popover
The overlay options in the image/uv editor is hidden in side panels and menus. Sometimes this panel is even hidden, while still useful.
The goal of this task is to introduce an overlay pop-over just like the overlay-popover of the 3d viewport.

Popover has
* UV Stretching (only available in the UV mode, when active object mode is a mesh and in OB_EDIT mode)
* Display As (only available in the UV mode, when active object mode is a mesh and in OB_EDIT mode)
* Show Modified (only available in the UV mode, when active object mode is a mesh and in OB_EDIT mode)
* Show UV Edges (including opacity slider; available UV, View, Paint, when active object mode is a mesh and in OB_EDIT mode)
* Udim tiles when no image is available.

Like the 3d viewport, there will be a editor toggle to enable/disable the overlays

For compatibility reasons the RNA properties are added to both the `SpaceImage.uv_editor` amd `SpaceImage.overlay`. On DNA level they are still stored in the SpaceImage. only new properties are added to the SpaceImageOverlay struct. During the next major release we could remove these options from `SpaceImage.uv_editor`. This should be noted in the Python section of release notes.

Reviewed By: Julian Eisel, Pablo Vazquez

Differential Revision: https://developer.blender.org/D8890
2020-10-07 17:15:17 +02:00
5845c06a63 Volumes: new Mesh to Volume modifier
This modifier can only be added to Volume objects. It takes a mesh
as input and generates a "density" grid near the surface or in
the enclosed volume.

Ref T73201.

Reviewers: brecht

Differential Revision: https://developer.blender.org/D9032
2020-09-29 16:03:30 +02:00
d587027015 Modifiers: add StructRNA pointer field to ModifierTypeInfo
This reduces the number of places that have to be modified
when a new modifier is added.

Reviewers: campbellbarton

Differential Revision: https://developer.blender.org/D9000
2020-09-25 12:49:18 +02:00
5e509a3aa9 RNA access: Add utils to search a collection item from its name, and get both item pointer and its index in the collection. 2020-09-20 16:26:39 +02:00
452a1c7b38 Collections: Add color tagging
This adds color tagging to collections. There are 8 color
options which are themable in the user preferences, with an additional
option for no color tag by default.

This adds a new filled collection icon and 8 colored variants of the
icon that can be themed in the user preferences.

In this commit the only interface to setting the color tags is through
Python, and there is nowhere in the interface where the collections are
shown colored. Setting and viewing the color tags from the outliner will
follow.

Manifest Task: https://developer.blender.org/T77777

Differential Revision: https://developer.blender.org/D8622
2020-09-15 12:47:09 -06:00
565510bd7f Geometry: add .attributes in the Python API for Mesh, Hair and Point Cloud
This puts all generic float/int/vector/color/string geometry attributes in a new
.attributes property. For meshes it provides a more general API for existing
attributes, for point clouds attributes will be used as an essential part of
particle nodes.

This patch was implemented by @lichtwerk, with further changes by me. It's
still a work in progress, but posting here to show what is going on and for
early feedback.

Ref T76659

Differential Revision: https://developer.blender.org/D8200
2020-09-09 17:01:17 +02:00
7e0bf7a0f1 LibOverride: Fix getting proper RNA path and ID from embedded ones.
Master collections and root node trees should now be working as expected
in that regard.
2020-07-16 11:04:03 +02:00
24c4d3f1f7 LibOverride: Add necessary bits in RNA to deal with embedded IDs paths.
Note that this code is rather rough and slightly hacky, a proper
solution needs to be designed at some point probably, but for now this
should work fine.

As usual, master collections and root node trees remain TODO for now.
2020-06-30 12:19:11 +02:00
f7bbc7cdbb Sculpt Vertex Colors: Initial implementation
Sculpt Vertex Colors is a painting system that runs inside sculpt mode, reusing all its tools and optimizations. This provides much better performance, easier to maintain code and more advanced features (new brush engine, filters, symmetry options, masks and face sets compatibility...). This is also the initial step for future features like vertex painting in Multires and brushes that can sculpt and paint at the same time.

This commit includes:
  - SCULPT_UNDO_COLOR for undo support in sculpt mode
  - SCULPT_UPDATE_COLOR and PBVH flags and rendering
  - Sculpt Color API functions
  - Sculpt capability for sculpt tools (only enabled in the Paint Brush for now)
  - Rendering support in workbench (default to Sculpt Vertex Colors except in Vertex Paint)
  - Conversion operator between MPropCol (Sculpt Vertex Colors) and MLoopCol (Vertex Paint)
  - Remesher reprojection in the Voxel Remehser
  - Paint Brush and Smear Brush with color smoothing in alt-smooth mode
  - Parameters for the new brush engine (density, opacity, flow, wet paint mixing, tip scale) implemented in Sculpt Vertex Colors
  - Color Filter
  - Color picker (uses S shortcut, replaces smooth)
  - Color selector in the top bar

Reviewed By: brecht

Maniphest Tasks: T72866

Differential Revision: https://developer.blender.org/D5975
2020-06-23 16:28:50 +02:00