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@SanderMertens SanderMertens released this 12 Oct 02:40
· 3517 commits to master since this release
v2.2.0
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Learn about vigilant mode.

Highlights:

  • Big performance improvement for operations called from systems
  • Entity liveliness tracking (entities are now annotated with a generation)
  • New APIs for deferring operations, singletons and simpler system callbacks (C++)

Deprecated features:

  • The action method in C++ should no longer be used for systems. Use iter instead.
  • EcsSingleton and flecs::Singleton are deprecated. Use new singleton API instead
  • The is_shared function in the flecs::iter class is deprecated. Use is_owned instead.

Breaking changes

  • Query columns that are not owned are now [in] by default. This may cause the API to throw an assert (in C++) or ecs_is_readonly to return a different value (in C). To fix issues caused by this change, add const to the column type, or annotate the column with [inout] or [out].
  • Doing an operation on a deleted entity id may now throw an assert.

Thanks to @ikrima, @randy408 and @nbrk for submitting PRs! 🎉

This version includes the following features:

  • Add ecs_clear API which removes all components without deleting the entity
  • Keep track of entity lifecycle with generation counting
  • New type role that enables automatic overriding of components for base/prefab entities
  • Create an alias for entity/component names to shorten string-based queries
  • New API for deferring actions
  • New staging implementation that uses deferred actions for better performance
  • Added ecs_is_alive which tests if an entity has been deleted
  • Added ecs_exists which tests if an entity id is currently in use (ignoring generation)
  • Add new singleton API
  • Add macro's for defining global component variables in C

This version includes the following improvements:

  • Recursively delete child entities when deleting a parent
  • Add function to enable tracing to C++
  • Add time_scale function to C++
  • Disallow overwriting component lifecycle actions
  • Improved checks for invoking operations on non-initialized classes
  • Improvements to C++ flecs::vector wrapper
  • Introduces iter() which is an easier to use alternative to action()
  • Added simplified FOR syntax for trait queries
  • Add is_owned to iterator class in C++
  • Treat empty structs in C++ as tags
  • Allow dereferencing shared column with [0] in C++
  • Add enabled() function to entity class
  • Queries now prefetch column types so there is no accidental table creation when iterating
  • Make [in] default for columns that are not owned
  • Add function to get column by name
  • Detect registering component with a different name in C++

This version includes the following bugfixes:

  • Fix issues when application includes stdbool
  • Don't crash if system is redefined with NULL signature
  • Fix issues with registering builtin components in C++
  • Fix issues with re-registering entities with the same name
  • Fix bug where child would sometimes be created for the wrong parent
  • Add missing ANY modifier to C examples
  • Fixed issue with registering components across translation units
  • Add assert when ecs_merge is called when world is progressing
  • Fixed issue where moving world could cause double destruction in C++
  • entity::set no longer takes const rvalue which prevented moves
  • Fixed bug where moving an entity would sometimes call destruct on the wrong component
  • Don't automatically add ctor if other lifecycle actions are NULL
  • ecs_os_api_strdup incorrectly used ecs_os_api_malloc instead of overrided malloc
  • Only resolve entity as numeric id if the entire string is a number
  • Fix including alloca header in FreeBSD
  • Fixed incorrect parsing of trait expression with SHARED modifier in signature
  • Fixed bug with obtaining shared trait columns
  • Fixed bug with querying for component trait
  • Ensure that owned component is never passed to shared column and vice versa
  • Fixed bug with rematching queries that have optional fields
  • If a prefab was an instance from a base prefab, the children of the base would not be created as prefabs
  • Deleting a table in the table graph did not update edges of connected tables
  • Queries were sometimes registered twice with the same table
  • Fixed crash when attempting to delete empty child table
  • Remove query from table administration when unmatching
  • Parent entity was not deleted from child tables administration when deleted
  • Removed assert when attempting to remove a key from an empty map
  • Fix bug where is_monitored bit would not be transferred when moving / swapping an entity
  • Fixed component names memory leak in C++ API
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