Refactored tick record sync into utility structure - FAnimSync. This improves the odd API around tick records, better encapsulating functionality and leaving less for the caller to get wrong. This will also eventually allow this to be refactored out into a scriptable pipeline stage.
Added sync node and scoped sync message for new 'graph based sync'. Nodes that subscribe to graph-based-sync determine their sync group based on the scope that they are in.
Removed 4.26-style sync scopes - pushed all syncing up to the main anim instance. Linked anim instances no longer sync their own tick records.
To make graph based sync more useful, surfaced graph attributes and their visualizations as labels on pins and parallel wires to visualize flow.
This involves statically determining the attribute flow of the graph at compile time. Added a new compiler handler to deal with this new debug data.
Updated a lot of nodes to specify their attributes so graph flow can be correctly visualized.
Added tracing of attributes and sync records and visualization of traced records when debugging the anim graph.
#rb Jurre.deBaare, Martin.Wilson
[CL 14998555 by Thomas Sarkanen in ue5-main branch]
Removed direct access to currently compiling BP class to restrict unguarded mutation.
Const-corrected various accessors and overrides.
Moved UObject-based compiler subsystems to 'handlers' and removed UObject dependency.
Moved from set of virtual functions on subsystems/handlers to a restricted set of contexts passed to specific multicast delegates that handlers subscribe to.
Removed anim class subsystems.
Moved property access code to engine module (editor code is still in a plugin).
Fixed nativized builds where anim BPs have nativized/non-nativized classes in the hierarchy
#rb Dan.OConnor
#jira none
[CL 14278258 by Thomas Sarkanen in ue5-main branch]
