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7 commits
| Author | SHA1 | Message | Date | |
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NiseVoid
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bdd0af6bfb
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Deprecate SpatialBundle (#15830)
# Objective - Required components replace bundles, but `SpatialBundle` is yet to be deprecated ## Solution - Deprecate `SpatialBundle` - Insert `Transform` and `Visibility` instead in examples using it - In `spawn` or `insert` inserting a default `Transform` or `Visibility` with component already requiring either, remove those components from the tuple ## Testing - Did you test these changes? If so, how? Yes, I ran the examples I changed and tests - Are there any parts that need more testing? The `gamepad_viewer` and and `custom_shader_instancing` examples don't work as intended due to entirely unrelated code, didn't check main. - How can other people (reviewers) test your changes? Is there anything specific they need to know? Run examples, or just check that all spawned values are identical - If relevant, what platforms did you test these changes on, and are there any important ones you can't test? Linux, wayland trough x11 (cause that's the default feature) --- ## Migration Guide `SpatialBundle` is now deprecated, insert `Transform` and `Visibility` instead which will automatically insert all other components that were in the bundle. If you do not specify these values and any other components in your `spawn`/`insert` call already requires either of these components you can leave that one out. before: ```rust commands.spawn(SpatialBundle::default()); ``` after: ```rust commands.spawn((Transform::default(), Visibility::default()); ``` |
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Kristoffer Søholm
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2d1b4939d2
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Synchronize removed components with the render world (#15582)
# Objective Fixes #15560 Fixes (most of) #15570 Currently a lot of examples (and presumably some user code) depend on toggling certain render features by adding/removing a single component to an entity, e.g. `SpotLight` to toggle a light. Because of the retained render world this no longer works: Extract will add any new components, but when it is removed the entity persists unchanged in the render world. ## Solution Add `SyncComponentPlugin<C: Component>` that registers `SyncToRenderWorld` as a required component for `C`, and adds a component hook that will clear all components from the render world entity when `C` is removed. We add this plugin to `ExtractComponentPlugin` which fixes most instances of the problem. For custom extraction logic we can manually add `SyncComponentPlugin` for that component. We also rename `WorldSyncPlugin` to `SyncWorldPlugin` so we start a naming convention like all the `Extract` plugins. In this PR I also fixed a bunch of breakage related to the retained render world, stemming from old code that assumed that `Entity` would be the same in both worlds. I found that using the `RenderEntity` wrapper instead of `Entity` in data structures when referring to render world entities makes intent much clearer, so I propose we make this an official pattern. ## Testing Run examples like ``` cargo run --features pbr_multi_layer_material_textures --example clearcoat cargo run --example volumetric_fog ``` and see that they work, and that toggles work correctly. But really we should test every single example, as we might not even have caught all the breakage yet. --- ## Migration Guide The retained render world notes should be updated to explain this edge case and `SyncComponentPlugin` --------- Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com> Co-authored-by: Trashtalk217 <trashtalk217@gmail.com> |
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Joona Aalto
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25bfa80e60
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Migrate cameras to required components (#15641)
# Objective Yet another PR for migrating stuff to required components. This time, cameras! ## Solution As per the [selected proposal](https://hackmd.io/tsYID4CGRiWxzsgawzxG_g#Combined-Proposal-1-Selected), deprecate `Camera2dBundle` and `Camera3dBundle` in favor of `Camera2d` and `Camera3d`. Adding a `Camera` without `Camera2d` or `Camera3d` now logs a warning, as suggested by Cart [on Discord](https://discord.com/channels/691052431525675048/1264881140007702558/1291506402832945273). I would personally like cameras to work a bit differently and be split into a few more components, to avoid some footguns and confusing semantics, but that is more controversial, and shouldn't block this core migration. ## Testing I ran a few 2D and 3D examples, and tried cameras with and without render graphs. --- ## Migration Guide `Camera2dBundle` and `Camera3dBundle` have been deprecated in favor of `Camera2d` and `Camera3d`. Inserting them will now also insert the other components required by them automatically. |
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Joona Aalto
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de888a373d
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Migrate lights to required components (#15554)
# Objective Another step in the migration to required components: lights! Note that this does not include `EnvironmentMapLight` or reflection probes yet, because their API hasn't been fully chosen yet. ## Solution As per the [selected proposals](https://hackmd.io/@bevy/required_components/%2FLLnzwz9XTxiD7i2jiUXkJg): - Deprecate `PointLightBundle` in favor of the `PointLight` component - Deprecate `SpotLightBundle` in favor of the `PointLight` component - Deprecate `DirectionalLightBundle` in favor of the `DirectionalLight` component ## Testing I ran some examples with lights. --- ## Migration Guide `PointLightBundle`, `SpotLightBundle`, and `DirectionalLightBundle` have been deprecated. Use the `PointLight`, `SpotLight`, and `DirectionalLight` components instead. Adding them will now insert the other components required by them automatically. |
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Trashtalk217
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56f8e526dd
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The Cooler 'Retain Rendering World' (#15320)
- Adopted from #14449 - Still fixes #12144. ## Migration Guide The retained render world is a complex change: migrating might take one of a few different forms depending on the patterns you're using. For every example, we specify in which world the code is run. Most of the changes affect render world code, so for the average Bevy user who's using Bevy's high-level rendering APIs, these changes are unlikely to affect your code. ### Spawning entities in the render world Previously, if you spawned an entity with `world.spawn(...)`, `commands.spawn(...)` or some other method in the rendering world, it would be despawned at the end of each frame. In 0.15, this is no longer the case and so your old code could leak entities. This can be mitigated by either re-architecting your code to no longer continuously spawn entities (like you're used to in the main world), or by adding the `bevy_render::world_sync::TemporaryRenderEntity` component to the entity you're spawning. Entities tagged with `TemporaryRenderEntity` will be removed at the end of each frame (like before). ### Extract components with `ExtractComponentPlugin` ``` // main world app.add_plugins(ExtractComponentPlugin::<ComponentToExtract>::default()); ``` `ExtractComponentPlugin` has been changed to only work with synced entities. Entities are automatically synced if `ComponentToExtract` is added to them. However, entities are not "unsynced" if any given `ComponentToExtract` is removed, because an entity may have multiple components to extract. This would cause the other components to no longer get extracted because the entity is not synced. So be careful when only removing extracted components from entities in the render world, because it might leave an entity behind in the render world. The solution here is to avoid only removing extracted components and instead despawn the entire entity. ### Manual extraction using `Extract<Query<(Entity, ...)>>` ```rust // in render world, inspired by bevy_pbr/src/cluster/mod.rs pub fn extract_clusters( mut commands: Commands, views: Extract<Query<(Entity, &Clusters, &Camera)>>, ) { for (entity, clusters, camera) in &views { // some code commands.get_or_spawn(entity).insert(...); } } ``` One of the primary consequences of the retained rendering world is that there's no longer a one-to-one mapping from entity IDs in the main world to entity IDs in the render world. Unlike in Bevy 0.14, Entity 42 in the main world doesn't necessarily map to entity 42 in the render world. Previous code which called `get_or_spawn(main_world_entity)` in the render world (`Extract<Query<(Entity, ...)>>` returns main world entities). Instead, you should use `&RenderEntity` and `render_entity.id()` to get the correct entity in the render world. Note that this entity does need to be synced first in order to have a `RenderEntity`. When performing manual abstraction, this won't happen automatically (like with `ExtractComponentPlugin`) so add a `SyncToRenderWorld` marker component to the entities you want to extract. This results in the following code: ```rust // in render world, inspired by bevy_pbr/src/cluster/mod.rs pub fn extract_clusters( mut commands: Commands, views: Extract<Query<(&RenderEntity, &Clusters, &Camera)>>, ) { for (render_entity, clusters, camera) in &views { // some code commands.get_or_spawn(render_entity.id()).insert(...); } } // in main world, when spawning world.spawn(Clusters::default(), Camera::default(), SyncToRenderWorld) ``` ### Looking up `Entity` ids in the render world As previously stated, there's now no correspondence between main world and render world `Entity` identifiers. Querying for `Entity` in the render world will return the `Entity` id in the render world: query for `MainEntity` (and use its `id()` method) to get the corresponding entity in the main world. This is also a good way to tell the difference between synced and unsynced entities in the render world, because unsynced entities won't have a `MainEntity` component. --------- Co-authored-by: re0312 <re0312@outlook.com> Co-authored-by: re0312 <45868716+re0312@users.noreply.github.com> Co-authored-by: Periwink <charlesbour@gmail.com> Co-authored-by: Anselmo Sampietro <ans.samp@gmail.com> Co-authored-by: Emerson Coskey <56370779+ecoskey@users.noreply.github.com> Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com> Co-authored-by: Christian Hughes <9044780+ItsDoot@users.noreply.github.com> |
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Joona Aalto
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afbbbd7335
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Rename rendering components for improved consistency and clarity (#15035)
# Objective The names of numerous rendering components in Bevy are inconsistent and a bit confusing. Relevant names include: - `AutoExposureSettings` - `AutoExposureSettingsUniform` - `BloomSettings` - `BloomUniform` (no `Settings`) - `BloomPrefilterSettings` - `ChromaticAberration` (no `Settings`) - `ContrastAdaptiveSharpeningSettings` - `DepthOfFieldSettings` - `DepthOfFieldUniform` (no `Settings`) - `FogSettings` - `SmaaSettings`, `Fxaa`, `TemporalAntiAliasSettings` (really inconsistent??) - `ScreenSpaceAmbientOcclusionSettings` - `ScreenSpaceReflectionsSettings` - `VolumetricFogSettings` Firstly, there's a lot of inconsistency between `Foo`/`FooSettings` and `FooUniform`/`FooSettingsUniform` and whether names are abbreviated or not. Secondly, the `Settings` post-fix seems unnecessary and a bit confusing semantically, since it makes it seem like the component is mostly just auxiliary configuration instead of the core *thing* that actually enables the feature. This will be an even bigger problem once bundles like `TemporalAntiAliasBundle` are deprecated in favor of required components, as users will expect a component named `TemporalAntiAlias` (or similar), not `TemporalAntiAliasSettings`. ## Solution Drop the `Settings` post-fix from the component names, and change some names to be more consistent. - `AutoExposure` - `AutoExposureUniform` - `Bloom` - `BloomUniform` - `BloomPrefilter` - `ChromaticAberration` - `ContrastAdaptiveSharpening` - `DepthOfField` - `DepthOfFieldUniform` - `DistanceFog` - `Smaa`, `Fxaa`, `TemporalAntiAliasing` (note: we might want to change to `Taa`, see "Discussion") - `ScreenSpaceAmbientOcclusion` - `ScreenSpaceReflections` - `VolumetricFog` I kept the old names as deprecated type aliases to make migration a bit less painful for users. We should remove them after the next release. (And let me know if I should just... not add them at all) I also added some very basic docs for a few types where they were missing, like on `Fxaa` and `DepthOfField`. ## Discussion - `TemporalAntiAliasing` is still inconsistent with `Smaa` and `Fxaa`. Consensus [on Discord](https://discord.com/channels/691052431525675048/743663924229963868/1280601167209955431) seemed to be that renaming to `Taa` would probably be fine, but I think it's a bit more controversial, and it would've required renaming a lot of related types like `TemporalAntiAliasNode`, `TemporalAntiAliasBundle`, and `TemporalAntiAliasPlugin`, so I think it's better to leave to a follow-up. - I think `Fog` should probably have a more specific name like `DistanceFog` considering it seems to be distinct from `VolumetricFog`. ~~This should probably be done in a follow-up though, so I just removed the `Settings` post-fix for now.~~ (done) --- ## Migration Guide Many rendering components have been renamed for improved consistency and clarity. - `AutoExposureSettings` → `AutoExposure` - `BloomSettings` → `Bloom` - `BloomPrefilterSettings` → `BloomPrefilter` - `ContrastAdaptiveSharpeningSettings` → `ContrastAdaptiveSharpening` - `DepthOfFieldSettings` → `DepthOfField` - `FogSettings` → `DistanceFog` - `SmaaSettings` → `Smaa` - `TemporalAntiAliasSettings` → `TemporalAntiAliasing` - `ScreenSpaceAmbientOcclusionSettings` → `ScreenSpaceAmbientOcclusion` - `ScreenSpaceReflectionsSettings` → `ScreenSpaceReflections` - `VolumetricFogSettings` → `VolumetricFog` --------- Co-authored-by: Carter Anderson <mcanders1@gmail.com> |
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Patrick Walton
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20c6bcdba4
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Allow volumetric fog to be localized to specific, optionally voxelized, regions. (#14099)
Currently, volumetric fog is global and affects the entire scene uniformly. This is inadequate for many use cases, such as local smoke effects. To address this problem, this commit introduces *fog volumes*, which are axis-aligned bounding boxes (AABBs) that specify fog parameters inside their boundaries. Such volumes can also specify a *density texture*, a 3D texture of voxels that specifies the density of the fog at each point. To create a fog volume, add a `FogVolume` component to an entity (which is included in the new `FogVolumeBundle` convenience bundle). Like light probes, a fog volume is conceptually a 1×1×1 cube centered on the origin; a transform can be used to position and resize this region. Many of the fields on the existing `VolumetricFogSettings` have migrated to the new `FogVolume` component. `VolumetricFogSettings` on a camera is still needed to enable volumetric fog. However, by itself `VolumetricFogSettings` is no longer sufficient to enable volumetric fog; a `FogVolume` must be present. Applications that wish to retain the old global fog behavior can simply surround the scene with a large fog volume. By way of implementation, this commit converts the volumetric fog shader from a full-screen shader to one applied to a mesh. The strategy is different depending on whether the camera is inside or outside the fog volume. If the camera is inside the fog volume, the mesh is simply a plane scaled to the viewport, effectively falling back to a full-screen pass. If the camera is outside the fog volume, the mesh is a cube transformed to coincide with the boundaries of the fog volume's AABB. Importantly, in the latter case, only the front faces of the cuboid are rendered. Instead of treating the boundaries of the fog as a sphere centered on the camera position, as we did prior to this patch, we raytrace the far planes of the AABB to determine the portion of each ray contained within the fog volume. We then raymarch in shadow map space as usual. If a density texture is present, we modulate the fixed density value with the trilinearly-interpolated value from that texture. Furthermore, this patch introduces optional jitter to fog volumes, intended for use with TAA. This modifies the position of the ray from frame to frame using interleaved gradient noise, in order to reduce aliasing artifacts. Many implementations of volumetric fog in games use this technique. Note that this patch makes no attempt to write a motion vector; this is because when a view ray intersects multiple voxels there's no single direction of motion. Consequently, fog volumes can have ghosting artifacts, but because fog is "ghostly" by its nature, these artifacts are less objectionable than they would be for opaque objects. A new example, `fog_volumes`, has been added. It demonstrates a single fog volume containing a voxelized representation of the Stanford bunny. The existing `volumetric_fog` example has been updated to use the new local volumetrics API. ## Changelog ### Added * Local `FogVolume`s are now supported, to localize fog to specific regions. They can optionally have 3D density voxel textures for precise control over the distribution of the fog. ### Changed * `VolumetricFogSettings` on a camera no longer enables volumetric fog; instead, it simply enables the processing of `FogVolume`s within the scene. ## Migration Guide * A `FogVolume` is now necessary in order to enable volumetric fog, in addition to `VolumetricFogSettings` on the camera. Existing uses of volumetric fog can be migrated by placing a large `FogVolume` surrounding the scene. --------- Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com> Co-authored-by: François Mockers <mockersf@gmail.com> |