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Object Info node can be useful to give some variation to a single material assigned to multiple instances. This patch adds support for Viewport and BI.
{F499530}
Example: {F499528}
Reviewers: merwin, brecht, dfelinto
Reviewed By: brecht
Subscribers: duarteframos, fclem, homyachetser, Evgeny_Rodygin, AlexKowel, yurikovelenov
Differential Revision: https://developer.blender.org/D2425
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- Remove 'rotate_m2', unlike 'rotate_m4' it created a new matrix
duplicating 'angle_to_mat2' - now used instead.
(better avoid matching functions having different behavior).
- Add 'axis_angle_to_mat4_single',
convenience wrapper for 'axis_angle_to_mat3_single'.
- Replace 'unit_m4(), rotate_m4()' with a single call to 'axis_angle_to_mat4_single'.
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Replaces `G.is_rendering` with `use_render_params` argument.
This is needed for Cycles, which attempts to restore render-preview settings from particles,
after it gets its own particle data, but fails to restore because
`G.is_rendering` was being checked in psys_cache_paths (and other places).
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This is a regression since 4310128 which is cased by really bad logic:
there might be dependencies between dupli-objects, which means _if_ we
really want to ensure derived mesh on dupli creation we have to do it
before any matrix is overwritten.
I'm not sure if such derived mesh trick is really the only way to go
without major refactor, but seems simple fix for now will do it.
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mesh has more than one uv sets.
In fact, it was not working with BI either - 'UV from dupli' would always take active UVLayer,
not render_active one.
Fixed now for both Cycles and BI, and for both particles and 'simple' dupli_face.
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This is purely internal sanitizing/cleanup, no change in behavior is expected at all.
This change was also needed because we were getting short on ID flags, and
future enhancement of 'user_one' ID behavior requires two new ones.
id->flag remains for persistent data (fakeuser only, so far!), this also allows us
100% backward & forward compatibility.
New id->tag is used for most flags. Though written in .blend files, its content
is cleared at read time.
Note that .blend file version was bumped, so that we can clear runtimeflags from
old .blends, important in case we add new persistent flags in future.
Also, behavior of tags (either status ones, or whether they need to be cleared before/after use)
has been added as comments to their declaration.
Reviewers: sergey, campbellbarton
Differential Revision: https://developer.blender.org/D1683
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A nice bug combining all the broken features of blender:
Particles, duplis and multiple scene dependencies.
Fortunately this was solvable: Basically, we need to
make sure derivedmesh for dupli instance is generated before
obmat is overriden. This also makes sense, since no instance
has "true" obmat apart from original. Lazy initialization of
derivedmesh just does not work here (or it -does- work but first
use should be before instance drawing).
Fingers crossed nothing else breaks after this...
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cache available.
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Conflicts:
source/blender/blenkernel/intern/particle.c
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correctly.
Problem was that object layers are defined by duplis as the top-level
duplicator layers. This happens //during// the duplilist construction,
which breaks group layer checks for subsequent instances and hides them.
Now the duplilist generators leave Object DNA untouched, the
modification of layers for drawing, rendering, etc. happens afterward
in the duplilist_apply/restore functions, as a kind of second pass.
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viewport preview.
Fix T39286: Display percentage ignored in Cycles viewport.
The threaded depsgraph update changes included a cleanup of the global
is_rendering flag, which was replaced by a general EvalContext being
passed to dupli functions.
Problem is that the global flag was true for viewport duplis before
(ugly hack), which was used as a check for generating dupli orco/UV from
mesh data layers. The new flag is stricter and only true for actual
renders, which disables these attributes and breaks the Cycles
Texture Coordinates and UVMap nodes.
The solution is to extend the simple for_render boolean to an enum:
* VIEWPORT: OpenGL viewport drawing (dupli tex coords omitted)
* PREVIEW: Viewport preview render (simplified modifiers)
* RENDER: Full render with all details and attributes
There are still some areas that need to be examined, in particular
modifiers seem to totally ignore the EvaluationContext!
Instead they generally execute without render params from the depsgraph
(BKE_object_handle_update_ex) and are built with render settings
explicitly.
Differential Revision: https://developer.blender.org/D613
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textured viewport shading
Usual dupli object issue, sometimes it's needed that all the object in
dupli group have modified obmat.
Made it an utility function now, which is used by convertblender and
dupli draw code now.
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add normal_poly_v3
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This fixes a small compile error where MSVC9 complains about conversion from int to unsigned char.
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This was storing the original object matrix, which builds on the
assumption that obmat is modified during dupli construction, which is a
bad hack.
Now the obmats are still modified, but this only happens outside of the
dupli system itself and the original ("omat") is stored as local
variables in the same place where the obmat manipulation takes place.
This is easier to follow and avoids hidden hacks as much as possible.
Reviewed By: campbellbarton
Differential Revision: https://developer.blender.org/D254
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Evaluating the animation is causing the object to get tagged as changed, but in
this case it's not a permanent change so no one should be notified. Also found
a case where the persistent ID for duplis wasn't unique, fixed that as well.
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Enable strict flags exposed some strange issues.
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This is a first step toward improving our dupli system. It implements a more
generic way of treating the various methods of dupli generation by adding a few
structs:
* DupliContext holds a number of arguments commonly used in the recursive dupli functions and defines a recursion state for generating sub-duplis (nested groups). It also helps to prevent bloated argument lists.
* DupliGenerator is a type struct that unifies the different dupli creation methods (groups, frames, verts, text chars, faces, particles). (As with context there should be no overhead from pointer indirection because everything can still be inlined inside anim.c)
Beside making the code more easily understandable this implementation should
also help to avoid weird side effects from custom matrix hacks by defining
clearly what a generator does. The DupliContext is deliberately made const, so a
generator can not simply add hidden matrix or flag modifications that are hard
to track down.
The result container for the generated duplis is stored in the context instead
of being passed explicitly. This means the generators are oblivious to the
storage of duplis, all they need to do is call the make_dupli function. This
will allow us to implement more efficient ways of storing DupliObject instances,
such as MemPools or batches. These can be implemented alongside the current
ListBase so we can improve dupli bottlenecks without having to replace each and
every dupli use case at once.
Differential Revision: https://developer.blender.org/D189
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