Blender Git Loki

Clean up: comments, minor refactor.

Use `const char *set_name` instead of `void get_name` which was meant
to copy the buffer originally but then was neglected.

Don't expose `_export_mesh_eval` just for ensuring normals, moved it to
another function.

Use conventional destructor function names.

Upper case enums.

UI: Don't show modifier operation reports on button press

The reports should only show when using shortcuts.

UI: Add shortcuts for modifier panels

The shortcuts act on the modifier with its panel under the mouse.
The following shortcuts are enabled by default:
- Remove modifier: X, Delete
- Apply modifier: Ctrl A
- Duplicate modifier: Shift D
More shortcuts can be added in the keymap.

Each panel can now store a custom data RNA pointer, and a new
function is added to get the custom data for the panel under the
cursor. This custom data could be used to refactor the "List Panel
System" to generalize it and integrate it further with RNA.

The same functionality will be added in further commits where it
applies to constraints, grease pencil modifiers, and effects.

Differential Revision: https://developer.blender.org/D8031

Fix T78444: Duplicate "From Radius" in Cast Modifier UI

This button was meant to be "Use Transform"

Merge branch 'master' into greasepencil-edit-curve

Merge branch 'master' into greasepencil-object

Remove Threaded Sculpt option

Threaded Sculpt is now always enabled by default. If it causes
performance problems compared single threaded sculpt it should be
considered a bug.

Reviewed By: sergey

Maniphest Tasks: T77638

Differential Revision: https://developer.blender.org/D7960

Fluid: Refactored gridline display for flag grid

Nodes: rename node_socket.c to node_socket.cc

I have to add some C++ code in callbacks for socket types
for the new particle system.

Merge branch 'master' into property-search-ui

Fix compile error on Apple Clang

Needs to compile with `CMAKE_OSX_DEPLOYMENT_TARGET` of 10.14 at least to
have `std::optional<>::value()` available. So we have to increase the
minimum required compiler version, but that requires more changes. Just
fix the build error for now.

UI: Show library status icons in search menus, rather than letter prefix

Rather than a `L` (linked), `O` (overridden) or `M` (missing) prefix for the
name, show the existing library status icons. See D7999 for screenshots.

Note that when using preview icons, or if the search menu contains items with
own icons (e.g. brush icons), we still fallback to the prefix solution.

Zero or fake user is still indicated with a prefix.

Differential Revision: https://developer.blender.org/D7999

Reviewed by: Bastien Montagne, William Reynish

RNA: properly tag 'embedded' ID pointers as owned.

This is important at several level, mainly for overrides currently.

Note that this also includes shape keys, since from RNA point of view
those are also 'embedded' (they are not editable, not linkable, ...).

LibOverride: ignore all data arrays of meshes.

Those are not overridable, and comparing them is... costly.

RNA: Add a way to prevent automatic addition of 'no ownership' flag for ID pointer properties.

Since makesrna runs after all properties have been defined, we have to
remember with a new internal flag when we explicitely disable the
'PROP_PTR_NO_OWNERSHIP' flag for a property.

Otherwise there was no way to do so for ID pointer properties...

Fix ShapeKeys not being deleted together with their owner ID.

Consistency with e.g. copying (copying a mesh also duplicates its
shapekey typically).

Baby step towards getting rid of this horrible ID, some day...

Note that for now we only do that when taking BMain into account, fancy
code dealing with non-main IDs and such has to deal with those itself.

Fix ID_swap not keeping original recalc flags.

Note that we might be missing more things there still, maybe some tags
e.g. should also be swapped?

Add utils to remove an ID from the relations runtime data in Main.

Check if there is any material to write.

Cleanup: make some type casts explicit

Doing this so that I turn this into a .cc file.