Flecs v3.1.2

Highlights

• The Flecs explorer can now edit component values!
• Systems can now be registered with an OnStart phase which is ran only in the first frame

Release notes

This version includes the following bugfixes:

• Fix issue with C++ bitmask binding (type must now inherit from flecs::bitmask)
• Fix issue where use_low_id was not set by ECS_COMPONENT
• Fix issues with invoking ctor/move/dtor when merging tables
• Fix issue where observer could be invoked for wrong table
• Fix invalid read in multithreaded app after pipeline rebuild
• Fix race condition between pipeline worker and no_readonly system
• Fix issue where term with wildcard pair & self flag would not iterate all permutations
• Fix issue where get_mut<First, Second> would always return First*

This version includes the following improvements:

• [cpp] Add missing const to flecs::world methods
• [cpp] Add missing const to flecs::entity_view methods
• [cpp] Change argument type of run_pipeline to flecs::entity_t
• [cpp] Add observer::query method
• [pipeline] Refactor of pipeline code
• [pipeline] Add OnStart phase for systems that are ran only at startup
• [rest] Add set endpoint for remotely setting component values
• [rest] Add delete endpoint for remotely deleting an entity
• [internals] Add debugging instrumentation to allocator
• [internals] Remove redundant code
• [internals] Add missing tests for get pair operations
• [internals] Split off entity filter code (union relationships/bitsets) from query iterator code

Known issues:
#844
#765
#714
#620
#478
#314