Flecs v3.2.5

Highlights

• Manually ran pipelines can now run multithreaded systems!
• Lots of bugfixes and small improvements :)
• The entity inspector in the explorer can now show incoming relationship edges:

Release notes

This version includes the following bugfixes:

• Fix leaking field in AlertInstance component
• Fix leak in query cache with entity filter (union relationships/bitset components/flattened trees)
• Fix issue where ecs_count didn't include prefabs and disabled entities
• Fix issue with using OVERRIDE flag in plecs scripts
• Fix issue with reporting alert severity in JSON serializer
• Fix issue with importing flecs.monitor without flecs.meta
• Fix compilation issues in FreeBSD (thanks @SirLynix!)
• Fix issue where removed argument was not correctly passed by ecs_commit
• Fix issue where ecs_commit wouldn't enter deferred mode while executing the operation
• Fix issue where ecs_iter_t::other_table would get reset for observers after event propagation
• Fix issue with calling .get() on flecs::table/flecs::range from stage
• Fix issue where REST API would return malformed JSON on seralization error (thanks @ZeroErrors!)
• Fix issue where C++ component with the same name as a core entity would be incorrectly registered
• Fix incorrect ifdef that checked for MSVC instead of POSIX (thanks @MilanDierick!)
• Fix issue with change detection for queries with static sources
• Fix issue with change detection and writing to shared terms
• Fix issue in rule engine where variable writes in OR chains weren't treated as conditional
• Fix issue where getting the target of a union relationship could return not alive entity handle
• Fix issue with systems that configure both interval and rate
• Fix memory corruption issues when using nested iterators (thanks @johnse-hypixel!)
• Fix incorrect assert when computed alignment mismatched actual alignment
• Fix issue where world passed to C++ rule iterator wasn't used

This version includes the following improvements:

• [core] Remove ability to get entity id array as field with index 0 (thanks @ZeroErrors!)
• [c] Add ecs_singleton_set_ptr (thanks @darkuranium!)
• [cpp] Add entity_builder::scope method that returns world object scoped to entity
• [cpp] Add flecs::iter::entities method (thanks @ZeroErrors!)
• [cpp] Add world::run_pipeline<T> overload (thanks @ZeroErrors!)
• [cpp] Add world::target method (thanks @ZeroErrors!)
• [cpp] Add world::get_info, remove redundant functions (thanks @ZeroErrors!)
• [pipeline] Add support for multithreading to ecs_run_pipeline (thanks @ZeroErrors!)
• [meta] Add support for member value ranges
• [json] Serialize alerts from children in entity serializer
• [json] Add option to serialize incoming relationship edges for entity
• [alerts] Add retain_period to alert configuration
• [alerts] Make it possible for alerts to change severity based on a condition
• [alerts] Add ability to generate alerts for member values that are out of range
• [alerts] Reduce alert detection interval to 0.5 seconds
• [monitor] Add WorldSummary component
• [expr] Implement parent(), name() and doc_name() functions in expression parser
• [http] Fix unused parameter warning (thanks @MilanDierick!)
• [doc] Fix quickstart example
• [doc] Fix filenames in documentation comments (thanks @ZeroErrors!)
• [doc] Reduce usage of auto in C++ examples
• [doc] Remove redundant functions from C++ examples
• [doc] Update C++ examples that used older/more verbose API methods
• [ci] Use stricter warning settings to compile code warning free
• [ci] Switch asan build to run on Linux, which includes leakage reporting
• [ci] Build code on additional compiler versions
• [cmake] Add FLECS_STRICT flag that enables Werror and stricter warning settings

Benchmark results
https://github.com/SanderMertens/ecs_benchmark/tree/8539a8634bc6cc99a61efd5919ffe8f02c6b3478

Breaking changes

• Passing 0 to ecs_field no longer returns the entity id array (#466 (comment))
• The ecs_lookup_symbol function has an additional recursive argument (#466 (comment))
• The C API convention for naming component id variables has changed (#466 (comment))
• Redundant methods for obtaining world information have been removed (#466 (comment))

Known issues:
#965
#844
#765
#714
#620
#478
#314

New Contributors

• @SirLynix made their first contribution in #998
• @MilanDierick made their first contribution in #996
• @darkuranium made their first contribution in #1007
• @johnse-hypixel made their first contribution in #1012

Full Changelog: v3.2.4...v3.2.5