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path: root/source/blender/blenkernel/intern/node.c
AgeCommit message (Collapse)Author
2021-03-29Cleanup: Remove unused node.c.Jeroen Bakker
Was wrongly added back with the anti aliasing node patch.
2021-03-29Compositor: Add Anti-Aliasing nodeHabib Gahbiche
This is an implementation of Enhanced Subpixel Morphological Antialiasing (SMAA) The algorithm was proposed by: Jorge Jimenez, Jose I. Echevarria, Tiago Sousa, Diego Gutierrez This node provides only SMAA 1x mode, so the operation will be done with no spatial multisampling nor temporal supersampling. See Patch for comparisons. The existing AA operation seems to be used only for binary images by some other nodes. Using SMAA for binary images needs no important parameter such as "threshold", so we perhaps can switch the operation to SMAA, though that changes existing behavior. Notes: 1. The program code assumes the screen coordinates are DirectX style that the vertical direction is upside-down, so "top" and "bottom" actually represent bottom and top, respectively. Thanks for Habib Gahbiche (zazizizou) to polish and finalize this patch. Reviewed By: jbakker Differential Revision: https://developer.blender.org/D2411
2021-02-02Blenkernel: Move node.c to C++Hans Goudey
Required changes to compile `node.cc` with clang tidy: * Use c++ includes like (e.g. climits instead limits.h). * Insert type casts when casting from `void *`. * Replace `NULL` with `nullptr`. * Replace typedef statements. This change is in order to use the `blender::Map` data structure for node error messages.
2021-01-26Geometry Nodes: new Points to Volume nodeJacques Lucke
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
2021-01-26Cleanup: Use const argumentsHans Goudey
2021-01-22LibOverride: Add an 'post apply' callback to IDTypeInfo.Bastien Montagne
Currently this is needed to properly tag PointCache's for info update (fixes an issue reported in T82503). Suspect we may need this in more cases in the future though, RNA assign/update processes are not always 100% enough to deal with complicated corner cases.
2021-01-21Geometry Nodes: new Attribute Sample Texture nodeJacques Lucke
This node allows sampling a texture for every vertex based on some mapping attribute. Typical attribute names are the name of a uv map (e.g. "UVMap") and "position". However, every attribute that can be converted to a vector implicitly is supported. It should be noted that as of right now, uv map attributes can only be accessed after a Point Distribute node. Ref T82584. Differential Revision: https://developer.blender.org/D10121
2021-01-15Cleanup: Add const in various places in node codeHans Goudey
Also includes some various other minor cleanups, like using bool instead of int in a couple places.
2021-01-13Geometry Nodes: Add "Point Translate" and "Point Scale" nodesHans Goudey
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
2021-01-13Geometry Nodes: Rename "Rotate Points" to "Point Rotate"Hans Goudey
This is consistent with the other node names, giving (almost) all of the nodes in the "Point" category the same prefix.
2021-01-12Geometry Nodes: new Align Rotation to Vector nodeJacques Lucke
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
2021-01-11Geometry Nodes: Attribute Vector Math NodeHans Goudey
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
2021-01-11Fix Embedded IDs creation bypassing ID management completely.Bastien Montagne
No ID (even remotely) related to Main database should ever be created directly through MEM_mallocN. Using `BKE_libblock_alloc` is the bare minimum. Note that there is no behavior change expected here.
2020-12-23Geometry Nodes: new Rotate Points nodeJacques Lucke
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.
2020-12-19Compositor: New Exposure NodeAaron Carlisle
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
2020-12-19Cleanup: Remove unused variables from the bNode structHans Goudey
In some cases the variables were set but never used anywhere. Differential Revision: https://developer.blender.org/D9889
2020-12-18Function Nodes: Input VectorDalai Felinto
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
2020-12-17Geometry Nodes: Point separate and attribute compare nodesHans Goudey
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
2020-12-17Geometry Nodes: add Attribute Color Ramp nodeJacques Lucke
Differential Revision: https://developer.blender.org/D9861 Ref T82585.
2020-12-16Geometry Nodes: rename node to Attribute RandomizeJacques Lucke
Previously, the node was called Random Attribute. For consistency reasons, we move the "Attribute" part of the name to the front.
2020-12-15Fix: upward compatibility of cryptomatte matte id.Jeroen Bakker
The matte_id is stored in a different structure in 2.92. This patch will write the old matte_id field so the files can be opened correctly in older versions.
2020-12-15Fix: mattes of cryptomatte node lost after writeJeroen Bakker
Fix an issue introduced by {f4df036bc497} where the read/write code missed to store and read the mattes from its new location.
2020-12-15Cleanup: reduce indirect DNA header inclusionCampbell Barton
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.
2020-12-11Nodes: add Collection socket typeJacques Lucke
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.
2020-12-11Geometry Nodes: add Attribute Mix nodeJacques Lucke
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.
2020-12-10Nodes: fix incorrectly parameter name and typeJacques Lucke
The parameter type was incorrectly changed in rB6be56c13e96048cbc494ba5473a8deaf2cf5a6f8 by me. This can be any id and does not have to be a node tree.
2020-12-10Geometry Nodes: Attribute Fill NodeHans Goudey
This commit adds a node that fills every element of an attribute with the same value. Currently it supports float, vector, and color attributes. An immediate use case is for "billboard" scattering. Currently people are using the same input to a Random Attribute node's min and max input to fill every element of a vector with the same value, which is an unintuitive way to accomplish the same thing. Differential Revision: https://developer.blender.org/D9790
2020-12-10Cleanup: rename BLI_strescape to BLI_str_escapeCampbell Barton
Prepare for `BLI_str_unescape` which doesn't read well without the separator.
2020-12-02Geometry Nodes: initial scattering and geometry nodesJacques Lucke
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
2020-12-02Nodes: add geometry socket typeJacques Lucke
We still have to pick a color for this socket. Ref T81848.
2020-11-19Fix lost node links when linked node group datablock is temporarily missingBrecht Van Lommel
Don't refresh the list of sockets, so that when the .blend file is restored the links remain valid. Also display such nodes in red to indicate an error, same as when the node type info is missing.
2020-11-06Cleanup: use 'BKE_' prefix for initialization functionsCampbell Barton
2020-11-04Fix T82384: Custom Properties for ShaderNodeTree do not save in blend files.Bastien Montagne
Not sure why those were excluded, there is no reason not to write ID data itself for embedded IDs...
2020-11-03Add a callback to `IDTypeInfo` to allow preservation of some data accross ↵Bastien Montagne
memfile undos This is essentially adding that new callback, and using it only for already existing Scene's 3DCursor. Note that the place where this is called has been moved again, after all have been lib-linked, such that those callbacks may also work on ID pointers. Maniphest Tasks: T71759 Differential Revision: https://developer.blender.org/D9237
2020-10-20Simulation: remove particle nodes with outdated designJacques Lucke
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.
2020-10-07Refactor `BKE_id_copy_ex` to return the new ID pointer.Bastien Montagne
Note that possibility to pass the new ID pointer as parameter was kept, as this is needed for some rather specific cases (like in depsgraph/COW, when copying into already allocated memory). Part of T71219.
2020-09-30Cleanup: convert gforge task ID's to phabricator formatValentin
Cleanup old tracker task format to the new. e.g: [#34039] to T34039 Ref D8718
2020-09-10Refactor: move bNodeTree .blend I/O to IDTypeInfo callbacksJacques Lucke
2020-09-02Cleanup: general cleanup of node.cJacques Lucke
- reduce variable scope - use bool instead of int - use LISTBASE_FOREACH
2020-08-31Cleanup: reduce variable scopeJacques Lucke
2020-08-31Cleanup: reduce variable scope and use LISTBASE_FOREACHJacques Lucke
2020-08-28IDTypeInfo: add .blend file io callbacksJacques Lucke
This is part of T76372. It adds the `blend_write`, `blend_read_data`, `blend_read_lib` and `blend_read_expand` which correspond to the various steps when reading and writing .blend files. Having these callbacks allows us to decentralize the blenloader code a lot more. This has the affect that code related to any specific ID type is less scattered. Reviewers: mont29 Differential Revision: https://developer.blender.org/D8670
2020-08-08Cleanup: use array syntax for sizeof with fixed valuesCampbell Barton
Also order sizeof(..) first to promote other values to size_t.
2020-08-07Cleanup: Nodes, silence Clang-Tidy readability-function-sizeSybren A. Stüvel
Add a `NOLINT` marker to explicitly silence a warning from Clang-Tidy's `readability-function-size` rule for the `node_type_base()` function. This function is indeed huge, but that is because a lot of macros are expanded. Before expansion things are still not small, but still understandable & expandable. No functional changes.
2020-08-07Cleanup: Blenkernel, Clang-Tidy else-after-return fixesSybren A. Stüvel
This addresses warnings from Clang-Tidy's `readability-else-after-return` rule in the `source/blender/blenkernel` module. No functional changes.
2020-08-02Particles: new Age Reached Event, Kill Particle and Random Float nodeJacques Lucke
The hardcoded age limit is now gone. The behavior can be implemented with an Age Reached Event and Kill Particle node. Other utility nodes to handle age limits of particles can be added later. Adding an Age Limit attribute to particles on birth will be useful for some effects, e.g. when you want to control the color or size of a particle over its life time. The Random Float node takes a seed currently. Different nodes will produce different values even with the same seed. However, the same node will generate the same random number for the same seed every time. The "Hash" of a particle can be used as seed. Later, we'd want to have more modes in the node to make it more user friendly. Modes could be: Per Particle, Per Time, Per Particle Per Time, Per Node Instance, ... Also a Random Vector node will be useful, as it currently has to be build using three Random Float nodes.
2020-07-27Particles: initial support for events and actionsJacques Lucke
The following nodes work now (although things can still be improved of course): Particle Birth Event, Praticle Time Step Event, Set Particle Attribute and Execute Condition. Multiple Set Particle Attribute nodes can be chained using the "Execute" sockets. They will be executed from left to right.
2020-07-23Simulation: add depsgraph relations for ids referenced by node treeJacques Lucke
I'll really have to refactor `ntreeUpdateTree` soon to avoid scanning all node trees multiple times.
2020-07-23Cleanup: remove incorrect commentJacques Lucke
2020-07-22Simulation: improve depsgraph integrationJacques Lucke
A simulation data block has an embedded node tree, which requires special handling in a couple of places. Some of those places were missing beforehand. This also adds a relation to make sure that the simulation is evaluated after animations on the embedded node tree are evaluated.
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