Change Scene.frame_set so that it ensures subframe in range [0,1[ as Blender
expects, otherwise some things like physics point cache lookups don't get
evaluated properly.
Constraints connect two rigid bodies.
Depending on which constraint is used different degrees of freedom
are limited, e.g. a hinge constraint only allows the objects to rotate
around a common axis.
Constraints are implemented as individual objects and bahave similar to
rigid bodies in terms of adding/removing/validating.
The position and orientation of the constraint object is the pivot point
of the constraint.
Constraints have their own group in the rigid body world.
To make connecting rigid bodies easier, there is a "Connect" operator that
creates an empty objects with a rigid body constraint connecting the selected
objects to active.
Currently the following constraints are implemented:
* Fixed
* Point
* Hinge
* Slider
* Piston
* Generic
Note: constraint limits aren't animatable yet).
Add operators to add/remove rigid body world and objects.
Add UI scripts.
The rigid body simulation works on scene level and overrides the
position/orientation of rigid bodies when active.
It does not deform meshes or generate data so there is no modifier.
Usage:
* Add rigid body world in the scene tab
* Create a group
* Add objects to the group
* Assign group to the rigid body world
* Play animation
For convenience the rigid body tools operators in the tools panel of the 3d view
will add a world, group and add objects to the group automatically so you only have
to press one button to add/remove rigid bodies to the simulation.
Part of GSoC 2010 and 2012.
Authors: Joshua Leung (aligorith), Sergej Reich (sergof)
This is just the basic structure, the simulation isn't hooked up yet.
Scenes get a pointer to a rigid body world that holds rigid body objects.
Objects get a pointer to a rigdid body object.
Both rigid body world and objects aren't used directly in the simulation
and only hold information to create the actual physics objects.
Physics objects are created when rigid body objects are validated.
In order to keep blender and bullet objects in sync care has to be taken
to either call appropriate set functions or flag objects for validation.
Part of GSoC 2010 and 2012.
Authors: Joshua Leung (aligorith), Sergej Reich (sergof)
It was caused by image threading safe commit and it was noticeable
only on really multi-core CPU (like dual-socket Xeon stations), was
not visible on core i7 machine.
The reason of slowdown was spinlock around image buffer referencing,
which lead to lots of cores waiting for single core and using image
buffer after it was referenced was not so much longer than doing
reference itself.
The most clear solution here seemed to be introducing Image Pool
which will contain list of loaded and referenced image buffers, so
all threads could skip lock if the pool is used for reading only.
Lock only needed in cases when buffer for requested image user is
missing in the pool. This lock will happen only once per image so
overall amount of locks is much less that it was before.
To operate with pool:
- BKE_image_pool_new() creates new pool
- BKE_image_pool_free() destroys pool and dereferences all image
buffers which were loaded to it
- BKE_image_pool_acquire_ibuf() returns image buffer for given
image and user. Pool could be NULL and in this case fallback to
BKE_image_acquire_ibuf will happen.
This helps to avoid lots to if(poll) checks in image sampling
code.
- BKE_image_pool_release_ibuf releases image buffer. In fact, it
will only do something if pool is NULL, in all other case it'll
equal to DoNothing operation.
* Add a detail_size field to the Sculpt struct, two new sculpt flags,
and a Mesh flag for dynamic-topology mode; that's it for file-level
changes needed by dynamic topology
* Add RNA for the new DNA field and flags
* Add a new icon for dynamic-topology created by Julio Iglesias. TODO:
update the icon for the new SVG icon format
* Add a SculptSession function for converting from BMesh to Mesh,
handles reordering mesh elements and setting face shading
- Transform now is relative to the bone root.
For backwards compatibility this transform was set to the tip for parenting...
Now the new parenting option uses the root, the old one still the tip.
I've noted in the code to check on a version patch, to make it consistent.
New Bone option: "Relative Parenting".
This makes Child-Objects of Bones transform similar to how deformations
of bones are calculated. Allows to move bones in editmode to set pivot.
The option is in Bone Panel, with clear label.
It is ON now by default when you add new bones
Requested by Kjartan, our famous robot designer :) For "hard body rigs" it's
very useful.
With 2 windows, 2 scenes, linked objects:
- enter editmode in 1 window.
- the other window allowed to enter editmode too.
- and crash happened on exit editmode.
Since editmode is in Context (scene->obedit) a bad conflict arises.
New function BKE_object_is_in_editmode() returns this info outside of
context. Note I didn't use BMEdit_FromObject() because of the assert().
NOTE: contextual storage of editmode could need rework... five places:
- ob->mode / ob->restore_mode
- scene->object
- CTX_data_edit_object()
- BKE_object_is_in_editmode()
- view3d mode handling menu
now blenlib/BLI doesn't depend on any blenkern/BKE functions,
there are still some bad level includes but these are only to access G.background and the blender version define.
In armature editmode, with mirroring, after duplication of a bone and using
the Wkey "flip names" you get a crash. Code for naming was accessing a NULL
in the bPose channel - not set until leaving editmode.
Thanks to Ben Batt for tackling the issue :)
You don't believe it, this bug traces back to 2002. Went by unreported for a decade.
If you link in an object, delete it, and relink again its materials are lost!
Easy fix, annoying error. :)
- Disabled "Quick Cache" option. It was causing ridiculous updates
on the entire animation system for start-end frame on every user
event causing changes here (like during transform). Worst was that you
couldn't transform animated objects for that reason either.
Most of the code is still there, waiting for a moment to revise it...
- Constraint "Follow Track" (marker) wasn't using inverse matrix code
in transform, making it wacko to use (wrong pivot, crazyspace)
Center Cursor uses BKE_object_minmax(), which uses pchans' bone member to check whether a bone is visible or not. But after a duplication, the duplicated pchan->bone are NULL, skiping in this case (as if they were hidden, not optimal but should do the work for now - anyway, using pchan's values in Edit mode does not really make sense, imho).
Generated and UV coordinates from the duplicator of instance instead of the
object itself.
This was used in e.g. Big Buck Bunny for texturing instanced feathers with
a UV map on the bird. Many files changed, mainly to do some refactoring to
get rid of G.rendering global in duplilist code.
Issue was caused by cycles being duplicated curve objects before converting
them to mesh. This duplication will loose pointcache which resulted in object
not being properly deformed.
fix pose-group-sort and pose-group-moving being disabled for pinned poses.
also fix for own missing NULL check for pose mask clear which would crash when run without an active object
