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While converting types from callbacks isn't a bug, it's unlikely
we ever want to do this on purpose and can hide mistakes such as
silently converting floating point values to ints as happened
with Sequencer.frame_start.
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Use matching int/float/boo types for RNA callbacks.
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Those collections were so far mainly just tagged as fake user (even
though a few places in code already incremented usercount on them).
Since we now clear the fakeuser flag when linking/appending data, ensure
that these collections are preserved by making these usages regular ID
refcounting ones.
Reviewed By: brecht
Differential Revision: https://developer.blender.org/D15783
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collecitons."
Commit is not working as expected in some cases, as revealed by
liboverride testcase entering infinite loop.
Code needs some more thinking.
This reverts commit ee7bd79b54a32d64fe0337695d438ad34990d121.
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Usually, when overriding collections, the linked reference ones are
removed from the ViewLayer, and the overrides replace them.
This change to `layer_collection_sync` code makes it so that in case
there is a free viewlayer hierarchy matching the linked collection, it
gets re-used for the override one, instead of re-creating everything
from scratch.
To achieve this, resync process is split into two steps, first regular
collections are processed, then the override ones. This should ensure
an override does not steal the layers of its reference if the later is
still instantiated in the view layer.
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Since rBb100bdca25b1 the parent inverse was always reset in
ED_object_parent (also for just changing the parent type).
This does make sense (since there is no point keeping it when e.g
changing from "Bone" to "Object" or "Vertex" to "Object", for this to
really make sense it would have to be properly recalculated anyways
which does not happen afaict).
The reported issue was that setting the prop to the same value as it was
before (e.g. from "Object" to "Object") would still reset the parent
inverse which was really unexpected since from a user standpoint,
nothing has changed here.
So in case the value does not really change, we now just early out and
skip `ED_object_parent`.
Maniphest Tasks: T100599
Differential Revision: https://developer.blender.org/D15771
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Mistake in [0] calculated the mean-face-center which wasn't used.
0: 23344bca6c5d1de330169a04ed8d21145fc60053
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Update comment, noting why this is kept.
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Added [0] which notes in most cases results are the same but in some
cases the result seems better. While true at the time of writing since
then mat3_to_quat has been improved and used for nearly all matrix
to quaternion conversion.
0: 876cfc837e2f065fa370940ca578983d84c48a11
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Making the callers responsible for this isn't practical as matrices are
often passed indirectly to a functions such as mat3_to_axis_angle,
BKE_object_mat3_to_rot & BKE_pchan_mat3_to_rot.
Or the matrix is combined from other matrices which could be negative.
Given quaternions calculated from negative matrices are completely
invalid and checking only needs to negate matrices with a negative
determinant, move the check into mat3_to_quat and related functions.
Add mat3_normalized_to_quat_fast for cases no error checking on the
input matrix is needed such as blending rotations.
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Ref D14481
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Add to comments in curves header, fix typo in attribute header.
Ref D14481
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Reuse the subtraction, which simplifies adding assertions
and refactoring to remove the custom data pointers.
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With C++ we should transition towards namespaces to avoid naming
collisions. Having the namespace in place is the first step for that
transition.
Plus, the `typedef` isn't necessary for struct/class/enum definitions
in C++, so avoid the verbosity it adds.
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Added by mistake in 6718afdc8a32.
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on Clear, general cleanup.
Inconsistencies in update/tagging code between different code doing the
same 'Clear. liboverride operation lead to crashes in some cases.
Unify deg tagging and WM notifiers accross the three editor-level
codepaths performing the common Make/Reset/Clear operations.
Preserve if possible the active object accross Clear operation.
Several cleanup/rename/re-arangement of code to make it more consistent.
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Matches other operators' names and UI labels better.
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Add an assert to ensure callers don't pass in negative matrices as the
resulting quaternion is invalid.
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Rotating a quaternion by a negative matrix gave an invalid result.
Follow up fix for T94231 which negated negative matrices too.
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Apply transform failed to clear delta quaternion & axis-angle rotation.
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Mistake in own rBc76d7f7bde35.
Happened when no image was set in the Image Editor already (which is now
checked for).
Maniphest Tasks: T100590
Differential Revision: https://developer.blender.org/D15761
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Use a more direct method of checking if a matrix is negative instead of
using cross & dot product.
Also replace some determinant_m3() < 0 checks with is_negative_m3.
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The result of mat3_normalized_to_quat isn't valid for negative matrices.
Isolate the fix to the Matrix.to_quaternion() instead of changing
mat3_normalized_to_quat to prevent unintended side effects elsewhere.
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Was not using the absolute index for comparison,
breaking the id_management test.
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Caused by 2480b55f216c31 using the undo step indices instead of the
indices of vertices in the mesh, causing the hide values to be swapped
around randomly in the mesh.
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We don't convert to the old mesh format when writing undo steps to
avoid overhead. So we can't skip writing the hide attributes then.
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The face hide attribute wasn't created in order to store the visiblity
from the face sets, it was only updated if it already existed.
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The number of attribute domains isn't an attribute domain, so storing
ATTR_DOMAIN_NUM in a variable with an eAttrDomain type isn't correct.
In the cases it was used, the value wouldn't be accessed anyway.
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Ref D15710, this avoids unnecessary sequencer updates for some operations.
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