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2022-05-30Cleanup/simplify BKE_fcurve_find_by_rna_context_ui code.Bastien Montagne
From reading the code it looks like at some point the code was expecting the `tptr` PointerRNA to change during the loop? But currently it did not make any sense to have this complex looping and multi-checking of RNA path and animdata, since the RNA pointer (and therefore its `owner_id`) is never modified... NOTE: there could be much more cleanup done in that area, goal of this commit is mainly to simplify the logic by removing all the (seamingly) dead code. Differential Revision: https://developer.blender.org/D15026
2022-05-26UI support for showing candidates for string propertiesCampbell Barton
Currently strings are used for cases where a list of identifiers would be useful to show. Add support for string properties to reference a callback to populate candidates to show when editing a string. The user isn't prevented from typing in text not found in this list, it's just useful as a reference. Support for expanding the following strings has been added: - Operator, menu & panel identifiers in the keymap editor. - WM operators that reference data-paths expand using the Python-consoles auto-complete functionality. - Names of keying sets for insert/delete keyframe operators. Details: - `bpy.props.StringProperty` takes an option `search` callback. - A new string callback has been added, set via `RNA_def_property_string_search_func` or `RNA_def_property_string_search_func_runtime`. - Addresses usability issue highlighted by T89560, where setting keying set identifiers as strings isn't practical. - Showing additional right-aligned text in the search results is supported but disabled by default as the text is too cramped in most string search popups where the feature would make sense. It could be enabled as part of other layout tweaks. Reviewed By: brecht Ref D14986
2022-05-26Cleanup: formatCampbell Barton
2022-05-25Cleanup: Further tweaks to RNA path API const'ness of PointerRNA parameter.Bastien Montagne
`RNA_path_struct_property_py` cannot get const `ptr` parameter for now (usage of `RNA_struct_find_property`). Also make `RNA_path_resolve_` functions take a const PointerRNA parameter.
2022-05-25Cleanup: Add more const'ness to RNA API.Bastien Montagne
This commit makes PointerRNA passed to RNA path API const. Main change was in the `path` callback for RNA structs, and indirectly the `getlength` callback of properties.
2022-03-31Cleanup: spelling, trailing space for comment-blocksCampbell Barton
2022-03-14Auto-generate RNA-structs declarations in `RNA_prototypes.h`Julian Eisel
So far it was needed to declare a new RNA struct to `RNA_access.h` manually. Since 9b298cf3dbec we generate a `RNA_prototypes.h` for RNA property declarations. Now this also includes the RNA struct declarations, so they don't have to be added manually anymore. Differential Revision: https://developer.blender.org/D13862 Reviewed by: brecht, campbellbarton
2022-02-22Cleanup: Deduplicate logic in `RNA_property_editable` & co.Bastien Montagne
Fairly straight-forward, now all the logic for all those 'is editable' complex checks is gathered into a single util function.
2022-02-15RNA: add RNA_collection_is_empty & RNA_property_collection_is_emptyCampbell Barton
Some collections needed to be iterated over to count their length. Provide a function to check if the collection is empty to avoid this.
2022-02-11File headers: SPDX License migrationCampbell Barton
Use a shorter/simpler license convention, stops the header taking so much space. Follow the SPDX license specification: https://spdx.org/licenses - C/C++/objc/objc++ - Python - Shell Scripts - CMake, GNUmakefile While most of the source tree has been included - `./extern/` was left out. - `./intern/cycles` & `./intern/atomic` are also excluded because they use different header conventions. doc/license/SPDX-license-identifiers.txt has been added to list SPDX all used identifiers. See P2788 for the script that automated these edits. Reviewed By: brecht, mont29, sergey Ref D14069
2022-02-07Curves: Rename "Hair" types, variables, and functions to "Curves"Hans Goudey
Based on discussions from T95355 and T94193, the plan is to use the name "Curves" to describe the data-block container for multiple curves. Eventually this will replace the existing "Curve" data-block. However, it will be a while before the curve data-block can be replaced so in order to distinguish the two curve types in the UI, "Hair Curves" will be used, but eventually changed back to "Curves". This patch renames "hair-related" files, functions, types, and variable names to this convention. A deep rename is preferred to keep code consistent and to avoid any "hair" terminology from leaking, since the new data-block is meant for all curve types, not just hair use cases. The downside of this naming is that the difference between "Curve" and "Curves" has become important. That was considered during design discussons and deemed acceptable, especially given the non-permanent nature of the somewhat common conflict. Some points of interest: - All DNA compatibility is lost, just like rBf59767ff9729. - I renamed `ID_HA` to `ID_CV` so there is no complete mismatch. - `hair_curves` is used where necessary to distinguish from the existing "curves" plural. - I didn't rename any of the cycles/rendering code function names, since that is also used by the old hair particle system. Differential Revision: https://developer.blender.org/D14007
2022-02-04Attributes: Infrastructure for generic 8-bit integer data typeHans Goudey
This commit adds infrastructure for 8 bit signed integer attributes. This can be useful given the discussion in T94193, where we want to store spline type, Bezier handle type, and other small enums as attributes. This is only exposed in the interface in the attribute lists, so it shouldn't be an option in geometry nodes, at least for now. I expect that this type won't be used directly very often, it should mostly be cast to an enum type. However, with support for 8 bit integers, it also makes sense to add things like mixing implementations for consistency. Differential Revision: https://developer.blender.org/D13721
2022-02-02Docs: add doc-string for RNA_property_is_set_ex use_ghost argumentCampbell Barton
2022-02-02Compositor: Combine and Separate XYZ NodeAaron Carlisle
We have this node for shader and geometry nodes. Compositor can also work with vectors, and this can help with that. Reviewed By: manzanilla Maniphest Tasks: T95385 Differential Revision: https://developer.blender.org/D12919
2022-01-17Alembic: add support for reading override layersKévin Dietrich
Override layers are a standard feature of Alembic, where archives can override data from other archives, provided that the hierarchies match. This is useful for modifying a UV map, updating an animation, or even creating some sort of LOD system where low resolution meshes are swapped by high resolution versions. It is possible to add UV maps and vertex colors using this system, however, they will only appear in the spreadsheet editor when viewing evaluated data, as the UV map and Vertex color UI only show data present on the original mesh. Implementation wise, this adds a `CacheFileLayer` data structure to the `CacheFile` DNA, as well as some operators and UI to present and manage the layers. For both the Alembic importer and the Cycles procedural, the main change is creating an archive from a list of filepaths, instead of a single one. After importing the base file through the regular import operator, layers can be added to or removed from the `CacheFile` via the UI list under the `Override Layers` panel located in the Mesh Sequence Cache modifier. Layers can also be moved around or hidden. See differential page for tests files and demos. Reviewed by: brecht, sybren Differential Revision: https://developer.blender.org/D13603
2022-01-12Revert "BLI: Refactor vector types & functions to use templates"Clément Foucault
Includes unwanted changes This reverts commit 46e049d0ce2bce2f53ddc41a0dbbea2969d00a5d.
2022-01-12BLI: Refactor vector types & functions to use templatesClment Foucault
This patch implements the vector types (i.e:`float2`) by making heavy usage of templating. All vector functions are now outside of the vector classes (inside the `blender::math` namespace) and are not vector size dependent for the most part. In the ongoing effort to make shaders less GL centric, we are aiming to share more code between GLSL and C++ to avoid code duplication. ####Motivations: - We are aiming to share UBO and SSBO structures between GLSL and C++. This means we will use many of the existing vector types and others we currently don't have (uintX, intX). All these variations were asking for many more code duplication. - Deduplicate existing code which is duplicated for each vector size. - We also want to share small functions. Which means that vector functions should be static and not in the class namespace. - Reduce friction to use these types in new projects due to their incompleteness. - The current state of the `BLI_(float|double|mpq)(2|3|4).hh` is a bit of a let down. Most clases are incomplete, out of sync with each others with different codestyles, and some functions that should be static are not (i.e: `float3::reflect()`). ####Upsides: - Still support `.x, .y, .z, .w` for readability. - Compact, readable and easilly extendable. - All of the vector functions are available for all the vectors types and can be restricted to certain types. Also template specialization let us define exception for special class (like mpq). - With optimization ON, the compiler unroll the loops and performance is the same. ####Downsides: - Might impact debugability. Though I would arge that the bugs are rarelly caused by the vector class itself (since the operations are quite trivial) but by the type conversions. - Might impact compile time. I did not saw a significant impact since the usage is not really widespread. - Functions needs to be rewritten to support arbitrary vector length. For instance, one can't call `len_squared_v3v3` in `math::length_squared()` and call it a day. - Type cast does not work with the template version of the `math::` vector functions. Meaning you need to manually cast `float *` and `(float *)[3]` to `float3` for the function calls. i.e: `math::distance_squared(float3(nearest.co), positions[i]);` - Some parts might loose in readability: `float3::dot(v1.normalized(), v2.normalized())` becoming `math::dot(math::normalize(v1), math::normalize(v2))` But I propose, when appropriate, to use `using namespace blender::math;` on function local or file scope to increase readability. `dot(normalize(v1), normalize(v2))` ####Consideration: - Include back `.length()` method. It is quite handy and is more C++ oriented. - I considered the GLM library as a candidate for replacement. It felt like too much for what we need and would be difficult to extend / modify to our needs. - I used Macros to reduce code in operators declaration and potential copy paste bugs. This could reduce debugability and could be reverted. - This touches `delaunay_2d.cc` and the intersection code. I would like to know @howardt opinion on the matter. - The `noexcept` on the copy constructor of `mpq(2|3)` is being removed. But according to @JacquesLucke it is not a real problem for now. I would like to give a huge thanks to @JacquesLucke who helped during this and pushed me to reduce the duplication further. Reviewed By: brecht, sergey, JacquesLucke Differential Revision: https://developer.blender.org/D13791
2022-01-12Revert "BLI: Refactor vector types & functions to use templates"Clément Foucault
Reverted because the commit removes a lot of commits. This reverts commit a2c1c368af48644fa8995ecbe7138cc0d7900c30.
2022-01-12Compositor: Add Scene Time Node, Rename Time nodeNathan Rozendaal
Fixes issue T94603 It adds a new compositor node called Scene Time which is already present as a geo node, having the same basic nodes available in all node trees is a nice thing to have. Renames "Time" node to "Time Curve", this is done to avoid confusion between the Time node and the Scene Time node. Reviewed By: jbakker Maniphest Tasks: T94603 Differential Revision: https://developer.blender.org/D13762
2022-01-12BLI: Refactor vector types & functions to use templatesClément Foucault
This patch implements the vector types (i.e:float2) by making heavy usage of templating. All vector functions are now outside of the vector classes (inside the blender::math namespace) and are not vector size dependent for the most part. In the ongoing effort to make shaders less GL centric, we are aiming to share more code between GLSL and C++ to avoid code duplication. Motivations: - We are aiming to share UBO and SSBO structures between GLSL and C++. This means we will use many of the existing vector types and others we currently don't have (uintX, intX). All these variations were asking for many more code duplication. - Deduplicate existing code which is duplicated for each vector size. - We also want to share small functions. Which means that vector functions should be static and not in the class namespace. - Reduce friction to use these types in new projects due to their incompleteness. - The current state of the BLI_(float|double|mpq)(2|3|4).hh is a bit of a let down. Most clases are incomplete, out of sync with each others with different codestyles, and some functions that should be static are not (i.e: float3::reflect()). Upsides: - Still support .x, .y, .z, .w for readability. - Compact, readable and easilly extendable. - All of the vector functions are available for all the vectors types and can be restricted to certain types. Also template specialization let us define exception for special class (like mpq). - With optimization ON, the compiler unroll the loops and performance is the same. Downsides: - Might impact debugability. Though I would arge that the bugs are rarelly caused by the vector class itself (since the operations are quite trivial) but by the type conversions. - Might impact compile time. I did not saw a significant impact since the usage is not really widespread. - Functions needs to be rewritten to support arbitrary vector length. For instance, one can't call len_squared_v3v3 in math::length_squared() and call it a day. - Type cast does not work with the template version of the math:: vector functions. Meaning you need to manually cast float * and (float *)[3] to float3 for the function calls. i.e: math::distance_squared(float3(nearest.co), positions[i]); - Some parts might loose in readability: float3::dot(v1.normalized(), v2.normalized()) becoming math::dot(math::normalize(v1), math::normalize(v2)) But I propose, when appropriate, to use using namespace blender::math; on function local or file scope to increase readability. dot(normalize(v1), normalize(v2)) Consideration: - Include back .length() method. It is quite handy and is more C++ oriented. - I considered the GLM library as a candidate for replacement. It felt like too much for what we need and would be difficult to extend / modify to our needs. - I used Macros to reduce code in operators declaration and potential copy paste bugs. This could reduce debugability and could be reverted. - This touches delaunay_2d.cc and the intersection code. I would like to know @Howard Trickey (howardt) opinion on the matter. - The noexcept on the copy constructor of mpq(2|3) is being removed. But according to @Jacques Lucke (JacquesLucke) it is not a real problem for now. I would like to give a huge thanks to @Jacques Lucke (JacquesLucke) who helped during this and pushed me to reduce the duplication further. Reviewed By: brecht, sergey, JacquesLucke Differential Revision: http://developer.blender.org/D13791
2022-01-12Cleanup: remove redundant const qualifiers for POD typesCampbell Barton
2022-01-10Compositing Convert color space nodeJeroen Bakker
Compositor node to convert between color spaces. Conversion is skipped when converting between the same color spaces or to or from data spaces. Implementation done for tiled and full frame compositor. Reviewed By: Blendify, jbakker Differential Revision: https://developer.blender.org/D12481
2022-01-07Cleanup: remove redundant const qualifiers for POD typesCampbell Barton
MSVC used to warn about const mismatch for arguments passed by value. Remove these as newer versions of MSVC no longer show this warning.
2021-12-08Cleanup: move public doc-strings into headers for 'makesrna'Campbell Barton
Ref T92709
2021-09-30Nodes: Add Float Curve for GN and Shader nodes.Charlie Jolly
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
2021-09-15GPencil: Dot dash modifier.YimingWu
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
2021-09-06Cleanup: comment unused functionsCampbell Barton
2021-09-05Compositor: New Posterize NodeAaron Carlisle
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
2021-09-03Fix T87768: `.path_resolve` fails when requested property is None.Campbell Barton
Add a version of RNA_path_resolve_full that returns true when the path resolves to a NULL RNA pointer.
2021-08-31Fix logical error resolving RNA pathsCampbell Barton
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.
2021-08-27Refactor IDProperty UI data storageHans Goudey
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
2021-08-23RNA: add length augmented to RNA_string_get_allocCampbell Barton
This was noted as a TODO as it wraps RNA_property_string_get_alloc which takes a length return argument.
2021-08-12RNA: include base types in RNA_struct_type_find_property searchCampbell Barton
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.
2021-08-11Enable Asset Browser by default for poses, rest stays experimentalJulian Eisel
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
2021-07-15Assets: AssetHandle type as temporary design to reference assetsJulian Eisel
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`.
2021-07-15Assets: Add an active asset library per workspace, for the UI to useJulian Eisel
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.
2021-07-14Python API: Add functions to ensure and clear IDPropertiesHans Goudey
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
2021-07-06Nodes: Adds button to groups to change type of sockets.Lukas Tönne
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
2021-06-30Cleanup: use const arguments for accessor functionsCampbell Barton
2021-06-19Spreadsheet Editor: Row FiltersHans Goudey
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
2021-05-20GPencil: Adding length modifier.YimingWu
Reviewed By: Antonio Vazquez (antoniov) Differential Revision: https://developer.blender.org/D8264
2021-05-17UI: add non-linear slider supportHenrik Dick
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
2021-04-15Spreadsheet: breadcrumbs and node pinningJacques Lucke
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
2021-03-16Grease Pencil: Add LineArt modifierYimingWu
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
2021-03-16Compositor: Redesign Cryptomatte node for better usabilityJeroen Bakker
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
2021-03-16Fix T86332: Error using lambda in annotations in Python 3.10Campbell Barton
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.
2021-03-12LibOverride: Add a new operation to Outliner to enforce resync of hierarchies.Bastien Montagne
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.
2021-03-08Spreadsheet: add boilerplate code for new editor typeJacques Lucke
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.
2021-02-20Geometry Nodes: expose float2 attribute in rnaJacques Lucke
This also fixes the issue reported in T85651. Differential Revision: https://developer.blender.org/D10477
2021-02-11Attributes: support bool attribute in rnaJacques Lucke
Differential Revision: https://developer.blender.org/D10387