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Conflicts:
source/blender/blenkernel/intern/rigidbody.c
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The old springs with damping 1.0 operate in a special way that
is more similar to plastic deformation than a spring. Some users
rely on that, so let the user choose which implementation to use.
This also restores full backward compatibility with 2.79.
Reviewers: sergof
Differential Revision: https://developer.blender.org/D3544
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Missed when changing callbacks from int to bool type.
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We were using int's for bool arguments in BKE,
just to avoid having wrapper functions.
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To prevent the pointcache from being copied-on-write too (and requiring
copying back), the cache is now shared between the original and
evaluated scenes. Reading from the cache is always allowed; running the
sim and writing to the cache is only allowed when the depsgraph is
active.
Some pointers have moved from RigidBodyWorld (RBO) to
RigidBodyWorldShared (RBOS). writefile.c copies some pointers back from
RBOS to RBO so that the file can still be opened on older Blenders
without crashing on a segfault.
The RigidBodyWorldShared struct is written to the blend file, because it
refers to the PointCache ID block.
The RigidObjectShared struct is runtime-only, and thus not saved to the
blend file.
An RNA getter-function is used to hide the new 'shared' pointer. As a
result the Python API hasn't changed.
Reviewed by: campbellbarton
Differential Revision: https://developer.blender.org/D3508
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OVERVIEW
* In 2.7 terminology, all layers and groups are now collection datablocks.
* These collections are nestable, linkable, instanceable, overrideable, ..
which opens up new ways to set up scenes and link + override data.
* Viewport/render visibility and selectability are now a part of the collection
and shared across all view layers and linkable.
* View layers define which subset of the scene collection hierarchy is excluded
for each. For many workflows one view layer can be used, these are more of an
advanced feature now.
OUTLINER
* The outliner now has a "View Layer" display mode instead of "Collections",
which can display the collections and/or objects in the view layer.
* In this display mode, collections can be excluded with the right click menu.
These will then be greyed out and their objects will be excluded.
* To view collections not linked to any scene, the "Blender File" display mode
can be used, with the new filtering option to just see Colleciton datablocks.
* The outliner right click menus for collections and objects were reorganized.
* Drag and drop still needs to be improved. Like before, dragging the icon or
text gives different results, we'll unify this later.
LINKING AND OVERRIDES
* Collections can now be linked into the scene without creating an instance,
with the link/append operator or from the collections view in the outliner.
* Collections can get static overrides with the right click menu in the outliner,
but this is rather unreliable and not clearly communicated at the moment.
* We still need to improve the make override operator to turn collection instances
into collections with overrides directly in the scene.
PERFORMANCE
* We tried to make performance not worse than before and improve it in some
cases. The main thing that's still a bit slower is multiple scenes, we have to
change the layer syncing to only updated affected scenes.
* Collections keep a list of their parent collections for faster incremental
updates in syncing and caching.
* View layer bases are now in a object -> base hash to avoid quadratic time
lookups internally and in API functions like visible_get().
VERSIONING
* Compatibility with 2.7 files should be improved due to the new visibility
controls. Of course users may not want to set up their scenes differently
now to avoid having separate layers and groups.
* Compatibility with 2.8 is mostly there, and was tested on Eevee demo and Hero
files. There's a few things which are know to be not quite compatible, like
nested layer collections inside groups.
* The versioning code for 2.8 files is quite complicated, and isolated behind
#ifdef so it can be removed at the end of the release cycle.
KNOWN ISSUES
* The G-key group operators in the 3D viewport were left mostly as is, they
need to be modified still to fit better.
* Same for the groups panel in the object properties. This needs to be updated
still, or perhaps replaced by something better.
* Collections must all have a unique name. Less restrictive namespacing is to
be done later, we'll have to see how important this is as all objects within
the collections must also have a unique name anyway.
* Full scene copy and delete scene are exactly doing the right thing yet.
Differential Revision: https://developer.blender.org/D3383
https://code.blender.org/2018/05/collections-and-groups/
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The new constraint is slower and not backward compatible, but should
be better, especially in the damping side. The new constraint also
has a different valid range of the damping coefficient, and a limit
implementation that bounces instead of making the object stationary.
Reviewers: sergof
Differential Revision: https://developer.blender.org/D3125
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PointCache was having a collection of items of PointCache type, having a
collection of items of PointCache type, having...
Nuff said.
For now, chose the 'ugly' way to fix it, that is, the one that changes
nothing to API and scripts using it: we define another 'PointCacheItem'
RNA type for items of our point cache collection, which has exact same
interface as PointCache except for the collection.
This is doomed to be rewritten at some point anyway, not worth spending
time trying to define a really correct data layout for now.
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Practically all access to enum data is read-only.
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BKE_depsgraph.h
This removes BKE_depsgraph.h and depsgraph.c
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This reverts commit 5aa19be91263a249ffae75573e3b32f24269d890 and b4a721af694817fa921b119df83d33ede7d7fed0.
Due to postponement of particle system rewrite it was decided to put particle code
back into the 2.8 branch for the time being.
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Conflicts:
source/blender/blenkernel/intern/depsgraph.c
source/blender/blenloader/intern/versioning_270.c
source/blender/depsgraph/intern/builder/deg_builder_relations.cc
source/blender/makesrna/intern/rna_main_api.c
source/blender/makesrna/intern/rna_particle.c
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internal flags.
This gives us 9 flags available again for properties (we had none anymore),
and also makes things slightly cleaner.
To simplify (and make more clear the differences between mere properties
and function parameters), also added RNA_def_parameter_flags function (and
its clear counterpart), to be used instead of RNA_def_property_flag for
function parameters.
This patch is also a big cleanup (some RNA function definitions were
still using 'prop' PropertyRNA pointer, etc.).
And yes, am aware this will be annoying for all branches, but we really need
to get new flags available for properties (will need at least one for override, etc.).
Reviewers: sergey, Severin
Subscribers: dfelinto, brecht
Differential Revision: https://developer.blender.org/D2400
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Conflicts:
intern/cycles/blender/addon/properties.py
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Bullet spring constraint already supports rotational springs, but
they are not exposed in blender UI, likely due to a simple oversight.
Supporting them is as simple as adding a few DNA/RNA properties
with appropriate UI and passing them on to Bullet.
Reviewers: sergof
Reviewed By: sergof
Differential Revision: https://developer.blender.org/D2331
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Definitions could shadow local vars.
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This patch adds icons to the physic collision shapes.
Adding a new capsule shape 'mesh_capsule' icon which represent the shape better then the metaballs icon.
And replace the metaballs icon for the Blender collision shape.
{F206628}
Reviewers: moguri, sybren, agoose77, lordloki, mont29, panzergame, campbellbarton
Reviewed By: lordloki, panzergame, campbellbarton
Projects: #game_engine, #game_ui, #user_interface
Differential Revision: https://developer.blender.org/D1403
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Only supported when using the "Deform" mesh source.
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The options are:
Base: Base mesh
Deform: shape keys and deform modifiers
Final: All deformations and modifiers
It would be nice to have a way of specifying where exactly in the
modifier stack the collision shape is generated. However this is not
staight forward since the rigid body simulation is not part of the
modifier system and would require hacks to make it work.
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This fixes a pretty old crash that occurs when changing the collision
shape to a mesh shape during simulation.
Thanks to Thomas Beck (plasmasolutions) for the report.
svn merge -r60310:60311 ^/branches/soc-2013-rigid_body_sim
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also set_source_files_properties() wasn't working for rna_*_gen.c files,
set dna.c and generated data files with generated property too.
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used elsewhere.
also minor style cleanup.
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error.
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This is a experimental collision detection function, so the API might
change in the future.
Note: The simulation needs to be stepped before this function can be
used, otherwise the rigid body world might not be valid.
Patch [#34989] Bullet Convex sweep test API
by Vilem Novak (pildanovak), thanks!
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identifiers.
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you can specify precision=0 for this, and use -1 for the default 2.
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It's implemented as a separate constraint instead of adding properties
to the existing constraints.
Motors only apply linear and angular impulses and don't limit the
movement of rigid bodies, so it's best to use them in conjunction with
other constraints to limit the degrees of freedom.
Thanks to Markus Kasten (markus111) for the initial patch.
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We don't have proper icons yet.
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While it's fun to be able to change collison shape while the simulation is
running it can cause crashes in some cases.
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