Blender Git Loki

Add driver node with unique names

Skeleton API's for flushing/tagging nodes to update

Free temp data in graph when done

Free entry tags after flushing updates

All tagged nodes should be reachable from root once the updates have been
flushed...

WIP code to get object graph building to use the standard constraints stack function

Added API method to tag a node as needing updates

* Such nodes are also tagged as being the "source" of such updates,
allowing us to later prune the updates tagged if they don't lead
somewhere where we need results

* Added list/cache in Depsgraph to keep track of these nodes, to make it
easier/faster to quickly start reaching outwards from these...

Only build bone constraints stack if it has some constraints

Some more name-usage cleanups in core code

* Fix wrong defines used for size of name bufs
* Remove nti->get_name() ref. This isn't implemented yet, and wouldn't
really work in the cases where it's really needed
* Copy over provided name where applicable

Fixed lookup for rigidbody node - this still needs review, but leave it for now

Separated out code for building constraint stack eval stuff

Added name parameter to DEG_add_operation()

It's needed to ensure that bone operations can be easily identified

Remove opnode type <-> component type mapping stuff from DEG_add_operation()

Noted some todo's

Graph building code now tags drivers needing Python accordingly

Extra flags/attributes for OpNodes - Timing stats + Flags

* Added attributes for logging how long it took to evaluate an operation
(and/or the last timestamp when it was evaluated)
* Added flag to tag operations which require the use of Python
(there are implications for the scheduler here re-GIL threading lock issues
but also our more general Py-Security concerns). See r58801 for example
of threading issues...

Start of code to build depsgraph for bones

Skeleton for Parameter OpNode + Helper callbacks that uses

Time Source Node

Fleshed out body of add method for parameters node

Add missing "remove_from_graph()" callbacks