Blender Git Loki

CMake: resolve issue building without sorted libs

Linking empty libs gave an error.

Fix copy & paste mistake in assert.

Depsgraph: fix hard CTD on dependency cycles through POSE_INIT.

As reported in T63582, it can cause chan_array to be not ready.
To reliably avoid crashing, the only easy way seems to be to
create the index during COW -- maybe @sergey has a better idea.

Render: new material preview

* EEVEE support through irradiance volume and light probe.
* New shader ball shape (designed by Robin Marin).
* New cloth and liquid shapes, removed monkey.
* Replace world sphere by toggle to use world for any shape.
* Slight bevel on cube.
* More subdivision for displacement preview.
* Fixed and improved UV mapping for all shapes.
* Material icon / asset preview now uses specified shape instead of always
a sphere. So for example hair material can be displayed as hair.

Ref T57683

Fix Alembic using wrong visible/selected flags, fix warnings.

Cleanup: remove deprecated grease pencil object property.

Cleanup: fix compiler warnings.

Fix T63599: fix the zero ease hack for the B-Bone end matrix.

Negate the second derivative, because it's effectively stepping back.

Fix T59622: dependency problems with Spline IK.

The bug is caused by problems in the dependency graph. Unfortunately,
fixing is not just a matter of fixing the graph, because correct
dependencies would cause a cycle here and in other reasonable use
cases. The real fix thus requires refactoring Spline IK to require
curve data only in the actual evaluation phase, and not in POSE_INIT_IK.

In addition, this separates the normal bone evaluation loop from
Spline IK computations for two reasons:

- That still needs to be done even if spline IK can't evaluate
due to missing curve data.

- It should reduce issues with induced shearing, as Spline IK now
controls how parent-child relations are handled in the chain, and
can take care to only carry over rotation and location.

Complete the set of matrix multiplication functions.

Also, mul_m3_m3m4 was named incorrectly.

Fix add_search node operator to show custom nodes

Differential Revision: https://developer.blender.org/D4667

UI: Remember the last display mode in file browser

See also T57688.

Differential Revision: https://developer.blender.org/D4479

UI: Do not show full action range

Reviewers: brecht

Differential Revision: https://developer.blender.org/D4563

CMake: prepare for BLENDER_SORTED_LIBS removal

No functional change, this adds LIB definition and args to cmake files.
Without this it's difficult to migrate away from 'BLENDER_SORTED_LIBS'
since there are many platforms/configurations that could break when
changing linking order.

Manually add and enable WITHOUT_SORTED_LIBS to try building
without sorted libs (currently fails since all variables are empty).
This check will eventually be removed.

See T46725.

Dopesheet: enable Show Keyframes and Interpolation by default.

Make the option enabled by default, and enable it in old files,
unless Show Extremes is enabled.

However, suppress it for the Timeline, because its View menu
doesn't include the option.

Reviewers: billreynish, brecht

Differential Revision: https://developer.blender.org/D4678

Explain the Local With Parent coordinate space better.

Just saying "parent transformation added" doesn't really explain
what this coordinate space does. Thus it seems almost nobody used
it and serious bugs like T61981 went unnoticed.

Fix T61981: Local With Parent broken as constraint own space.

Specifically, matrix multiplication order in Local With Parent
to Pose space conversion was wrong, compared with Pose to LWP.

Missed version bump in recent commit

Keymap: toggle context gizmo instead of the tool gizmo

When a tool is activated in many cases the gizmo is needed so toggling
them isn't so useful.

Change behavior to use the active object instead so users who prefer
to enable gizmos in the popover can toggle them.

Also remove duplicate keymap item.

Gizmo: individual toggles for 3D view gizmos

The popover for displaying gizmos now has options for
empty, light & camera gizmos.

Transform toggles are now checkboxes, which has the advantage that it's
more obvious they can be mixed however changing from one to another now
uses 3x clicks instead of a single click-drag action.
We might need a faster way to switch between transform types.