ickshonpe c5742ff43e Simplified ui_stack_system (#9889) ... # Objective `ui_stack_system` generates a tree of `StackingContexts` which it then flattens to get the `UiStack`. But there's no need to construct a new tree. We can query for nodes with a global `ZIndex`, add those nodes to the root nodes list and then build the `UiStack` from a walk of the existing layout tree, ignoring any branches that have a global `Zindex`. Fixes #9877 ## Solution Split the `ZIndex` enum into two separate components, `ZIndex` and `GlobalZIndex` Query for nodes with a `GlobalZIndex`, add those nodes to the root nodes list and then build the `UiStack` from a walk of the existing layout tree, filtering branches by `Without<GlobalZIndex>` so we don't revisit nodes. ``` cargo run --profile stress-test --features trace_tracy --example many_buttons ``` <img width="672" alt="ui-stack-system-walk-split-enum" src="https://github.com/bevyengine/bevy/assets/27962798/11e357a5-477f-4804-8ada-c4527c009421"> (Yellow is this PR, red is main) --- ## Changelog `Zindex` * The `ZIndex` enum has been split into two separate components `ZIndex` (which replaces `ZIndex::Local`) and `GlobalZIndex` (which replaces `ZIndex::Global`). An entity can have both a `ZIndex` and `GlobalZIndex`, in comparisons `ZIndex` breaks ties if two `GlobalZIndex` values are equal. `ui_stack_system` * Instead of generating a tree of `StackingContexts`, query for nodes with a `GlobalZIndex`, add those nodes to the root nodes list and then build the `UiStack` from a walk of the existing layout tree, filtering branches by `Without<GlobalZIndex` so we don't revisit nodes. ## Migration Guide The `ZIndex` enum has been split into two separate components `ZIndex` (which replaces `ZIndex::Local`) and `GlobalZIndex` (which replaces `ZIndex::Global`). An entity can have both a `ZIndex` and `GlobalZIndex`, in comparisons `ZIndex` breaks ties if two `GlobalZindex` values are equal. --------- Co-authored-by: Gabriel Bourgeois <gabriel.bourgeoisv4si@gmail.com> Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com> Co-authored-by: UkoeHB <37489173+UkoeHB@users.noreply.github.com>		2024-09-30 18:43:57 +00:00
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bevy_a11y	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_animation	Add VisitEntities for generic and reflectable Entity iteration (#15425)	2024-09-30 17:32:03 +00:00
bevy_app	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_asset	Fix AssetServer lifetimes (#15533)	2024-09-30 18:19:27 +00:00
bevy_audio	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_color	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_core	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_core_pipeline	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_derive	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_dev_tools	Simplified ui_stack_system (#9889)	2024-09-30 18:43:57 +00:00
bevy_diagnostic	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_dylib	Generate links to definition in source code pages on docs.rs and dev-docs.bevyengine.org (#12965)	2024-07-29 23:10:16 +00:00
bevy_ecs	Fix #15496 missing doc links (#15542)	2024-09-30 18:41:56 +00:00
bevy_encase_derive	Update `glam to 0.29, encase` to 0.10. (#15249)	2024-09-23 19:44:02 +00:00
bevy_gilrs	Implement gamepads as entities (#12770)	2024-09-27 20:07:20 +00:00
bevy_gizmos	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_gltf	feat(gltf): add name component to gltf mesh primitive (#13912)	2024-09-30 16:51:52 +00:00
bevy_hierarchy	Add VisitEntities for generic and reflectable Entity iteration (#15425)	2024-09-30 17:32:03 +00:00
bevy_input	Fix window spawning triggering ButtonInput<KeyCode>::just_pressed/just_released (#12372)	2024-09-30 18:24:36 +00:00
bevy_internal	Split TextureAtlasSources out of TextureAtlasLayout and make TextureAtlasLayout serializable (#15344)	2024-09-30 17:11:56 +00:00
bevy_log	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_macro_utils	Modify derive_label to support no_std environments (#15465)	2024-09-27 20:23:26 +00:00
bevy_math	Make SampleCurve/UnevenSampleCurve succeed at reflection (#15493)	2024-09-30 18:43:19 +00:00
bevy_mikktspace	Add no_std support to bevy_mikktspace (#15528)	2024-09-30 18:17:03 +00:00
bevy_pbr	Implement volumetric fog support for both point lights and spotlights (#15361)	2024-09-29 21:30:53 +00:00
bevy_picking	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_ptr	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_reflect	bevy_reflect: Generic parameter info (#15475)	2024-09-30 17:58:37 +00:00
bevy_remote	Refactor BRP to allow for 3rd-party transports (#15438)	2024-09-27 20:09:46 +00:00
bevy_render	Remove render_resource_wrapper (#15441)	2024-09-30 17:37:07 +00:00
bevy_scene	Add VisitEntities for generic and reflectable Entity iteration (#15425)	2024-09-30 17:32:03 +00:00
bevy_sprite	Split TextureAtlasSources out of TextureAtlasLayout and make TextureAtlasLayout serializable (#15344)	2024-09-30 17:11:56 +00:00
bevy_state	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_tasks	bump async-channel to 2.3.0 (#15497)	2024-09-28 19:21:59 +00:00
bevy_text	Make CosmicFontSystem and SwashCache pub resources. (#15479)	2024-09-28 00:00:27 +00:00
bevy_time	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_transform	Migrate visibility to required components (#15474)	2024-09-27 19:06:16 +00:00
bevy_ui	Simplified ui_stack_system (#9889)	2024-09-30 18:43:57 +00:00
bevy_utils	Add core and alloc over std Lints (#15281)	2024-09-27 00:59:59 +00:00
bevy_window	Add VisitEntities for generic and reflectable Entity iteration (#15425)	2024-09-30 17:32:03 +00:00
bevy_winit	Fix window spawning triggering ButtonInput<KeyCode>::just_pressed/just_released (#12372)	2024-09-30 18:24:36 +00:00