From c6d320c573a019d57716f436fde2ffd5521ef384 Mon Sep 17 00:00:00 2001 From: andriyDev Date: Sat, 25 May 2024 00:31:48 -0700 Subject: [PATCH 1/3] Create the basic empty project for component refs. --- crates/bevy_gltf_component_refs/Cargo.toml | 23 ++ crates/bevy_gltf_component_refs/LICENSE.md | 4 + .../LICENSE_APACHE.md | 201 ++++++++++++++++++ .../bevy_gltf_component_refs/LICENSE_MIT.md | 21 ++ crates/bevy_gltf_component_refs/src/lib.rs | 1 + 5 files changed, 250 insertions(+) create mode 100644 crates/bevy_gltf_component_refs/Cargo.toml create mode 100644 crates/bevy_gltf_component_refs/LICENSE.md create mode 100644 crates/bevy_gltf_component_refs/LICENSE_APACHE.md create mode 100644 crates/bevy_gltf_component_refs/LICENSE_MIT.md create mode 100644 crates/bevy_gltf_component_refs/src/lib.rs diff --git a/crates/bevy_gltf_component_refs/Cargo.toml b/crates/bevy_gltf_component_refs/Cargo.toml new file mode 100644 index 0000000..f602589 --- /dev/null +++ b/crates/bevy_gltf_component_refs/Cargo.toml @@ -0,0 +1,23 @@ +[package] +name = "bevy_gltf_component_refs" +version = "0.1.0" +authors = ["Mark 'kaosat-dev' Moissette"] +description = "Allows you to add reference components inside gltf files to relate components to each other on the Bevy side." +homepage = "https://github.com/kaosat-dev/Blender_bevy_components_workflow" +repository = "https://github.com/kaosat-dev/Blender_bevy_components_workflow" +keywords = ["gamedev", "bevy", "assets", "gltf", "components"] +categories = ["game-development"] +edition = "2021" +license = "MIT OR Apache-2.0" + +[lints] +workspace = true + +[dependencies] +bevy = { version = "0.13", default-features = false } +bevy_gltf_components = { version = "0.5", path = "../bevy_gltf_components" } + +[dev-dependencies] +bevy = { version = "0.13", default-features = false, features = [ + "dynamic_linking", +] } diff --git a/crates/bevy_gltf_component_refs/LICENSE.md b/crates/bevy_gltf_component_refs/LICENSE.md new file mode 100644 index 0000000..ad21aac --- /dev/null +++ b/crates/bevy_gltf_component_refs/LICENSE.md @@ -0,0 +1,4 @@ +This crate is available under either: + +* The [MIT License](./LICENSE_MIT) +* The [Apache License, Version 2.0](./LICENSE_APACHE) \ No newline at end of file diff --git a/crates/bevy_gltf_component_refs/LICENSE_APACHE.md b/crates/bevy_gltf_component_refs/LICENSE_APACHE.md new file mode 100644 index 0000000..f748977 --- /dev/null +++ b/crates/bevy_gltf_component_refs/LICENSE_APACHE.md @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [2023] [Mark "kaosat-dev" Moissette] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. \ No newline at end of file diff --git a/crates/bevy_gltf_component_refs/LICENSE_MIT.md b/crates/bevy_gltf_component_refs/LICENSE_MIT.md new file mode 100644 index 0000000..f8b9094 --- /dev/null +++ b/crates/bevy_gltf_component_refs/LICENSE_MIT.md @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2023 Mark "kaosat-dev" Moissette + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. \ No newline at end of file diff --git a/crates/bevy_gltf_component_refs/src/lib.rs b/crates/bevy_gltf_component_refs/src/lib.rs new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/crates/bevy_gltf_component_refs/src/lib.rs @@ -0,0 +1 @@ + From d7af89930b2690315666ce9b3c63f9697bfd445a Mon Sep 17 00:00:00 2001 From: andriyDev Date: Sat, 25 May 2024 01:21:35 -0700 Subject: [PATCH 2/3] Create the basic implementation for Gltf refs. --- crates/bevy_gltf_component_refs/Cargo.toml | 5 +- crates/bevy_gltf_component_refs/src/lib.rs | 174 +++++++++++++++++++++ 2 files changed, 178 insertions(+), 1 deletion(-) diff --git a/crates/bevy_gltf_component_refs/Cargo.toml b/crates/bevy_gltf_component_refs/Cargo.toml index f602589..9eb7718 100644 --- a/crates/bevy_gltf_component_refs/Cargo.toml +++ b/crates/bevy_gltf_component_refs/Cargo.toml @@ -14,7 +14,10 @@ license = "MIT OR Apache-2.0" workspace = true [dependencies] -bevy = { version = "0.13", default-features = false } +bevy = { version = "0.13", default-features = false, features = [ + "bevy_asset", + "bevy_scene", +] } bevy_gltf_components = { version = "0.5", path = "../bevy_gltf_components" } [dev-dependencies] diff --git a/crates/bevy_gltf_component_refs/src/lib.rs b/crates/bevy_gltf_component_refs/src/lib.rs index 8b13789..628111f 100644 --- a/crates/bevy_gltf_component_refs/src/lib.rs +++ b/crates/bevy_gltf_component_refs/src/lib.rs @@ -1 +1,175 @@ +use bevy::{ + app::{App, Plugin}, + asset::Handle, + ecs::{ + component::Component, + entity::Entity, + query::With, + reflect::ReflectComponent, + schedule::{IntoSystemConfigs, IntoSystemSetConfigs, SystemSet}, + system::{Commands, Query, Res, ResMut, Resource, SystemParam}, + }, + hierarchy::{HierarchyQueryExt, Parent}, + log::warn, + prelude::Update, + reflect::{Reflect, TypePath}, + scene::Scene, + utils::HashMap, +}; +use bevy_gltf_components::GltfComponentsSet; +use std::marker::PhantomData; +/// Plugin for keeping the GltfRefMap in sync. +pub struct GltfRefMapPlugin; + +impl Plugin for GltfRefMapPlugin { + fn build(&self, app: &mut App) { + app.register_type::() + .init_resource::() + .configure_sets( + Update, + (GltfRefsSet::CreateRefMap, GltfRefsSet::ResolveRefs) + .chain() + .after(GltfComponentsSet::Injection), + ) + .add_systems( + Update, + GltfRefMap::create_ref_map.in_set(GltfRefsSet::CreateRefMap), + ); + } +} + +#[derive(SystemSet, Debug, Hash, PartialEq, Eq, Clone)] +/// SystemSet to order your systems based on when references are resolved. +pub enum GltfRefsSet { + /// Systems that create the [`GltfRefMap`] for that frame. + CreateRefMap, + /// Systems that resolve references using the [`GltfRefMap`]. For types that + /// need to have references manually resolved, prefer to put their systems + /// here. + ResolveRefs, +} + +#[derive(Component, Reflect)] +#[reflect(Component)] +struct GltfRefTarget(String); + +/// A map of references for Gltf instances. +#[derive(Resource, Default)] +pub struct GltfRefMap(HashMap>); + +impl GltfRefMap { + /// Gets an entity given its `gltf_root` and `ref_name`. A reference is + /// only valid on the same frame that the Gltf is spawned in. In other + /// words, after that same frame, any references on `gltf_root` will return + /// None. + pub fn get_ref(&self, gltf_root: Entity, ref_name: &String) -> Option { + self.0.get(&gltf_root)?.get(ref_name).copied() + } + + fn create_ref_map( + ref_targets: Query<(Entity, &GltfRefTarget)>, + gltf_for_entity: GltfForEntity, + mut ref_map: ResMut, + mut commands: Commands, + ) { + ref_map.0.clear(); + + for (entity, ref_target) in ref_targets.iter() { + commands.entity(entity).remove::(); + let Some(gltf_root) = gltf_for_entity.find_gltf_root(entity) else { + warn!("Entity {entity:?} is not part of a Gltf but contains a GltfRefTarget (target={}).", ref_target.0); + continue; + }; + ref_map + .0 + .entry(gltf_root) + .or_default() + .insert(ref_target.0.clone(), entity); + } + } +} + +#[derive(Component, Reflect)] +#[reflect(Component)] +struct GltfRef { + target: String, + #[reflect(ignore)] + _marker: PhantomData, +} + +impl GltfRef { + fn system( + refs: Query<(Entity, &Self)>, + gltf_for_entity: GltfForEntity, + ref_map: Res, + mut commands: Commands, + ) { + for (entity, gltf_ref) in refs.iter() { + commands.entity(entity).remove::(); + let Some(gltf_root) = gltf_for_entity.find_gltf_root(entity) else { + warn!("GltfRef should only be on descendants of a Gltf."); + continue; + }; + + match ref_map.get_ref(gltf_root, &gltf_ref.target) { + Some(target) => { + commands.entity(entity).insert(T::from_ref(target)); + } + None => { + warn!( + "Entity {entity:?} attempted to reference '{}' in gltf {gltf_root:?}", + &gltf_ref.target + ); + } + } + } + } +} + +/// Trait for creating a component for a Gltf reference. +pub trait FromGltfRef { + /// Creates `Self` given the `entity` for this reference. + fn from_ref(entity: Entity) -> Self; +} + +/// Plugin for automatically converting [`GltfRef`]s into their corresponding +/// `T`. +pub struct GltfRefPlugin(PhantomData); + +impl Plugin for GltfRefPlugin { + fn build(&self, app: &mut App) { + app.register_type::>().add_systems( + Update, + GltfRef::::system.in_set(GltfRefsSet::ResolveRefs), + ); + } +} + +// Manual implementation of Default for GltfRefPlugin to avoid `Default` trait +// bounds on `T`. +impl Default for GltfRefPlugin { + fn default() -> Self { + Self(Default::default()) + } +} + +/// SystemParam to find the Gltf that an entity belongs to. +#[derive(SystemParam)] +pub struct GltfForEntity<'w, 's> { + gltfs: Query<'w, 's, (), With>>, + hierarchy: Query<'w, 's, &'static Parent>, +} + +impl<'w, 's> GltfForEntity<'w, 's> { + /// Finds the Gltf root for `entity`. Returns None if `entity` does not + /// belong to a Gltf. + pub fn find_gltf_root(&self, entity: Entity) -> Option { + for entity in std::iter::once(entity).chain(self.hierarchy.iter_ancestors(entity)) { + if self.gltfs.contains(entity) { + return Some(entity); + } + } + None + } +} From 930033354b4ca29c24b0072267c14fe1471cea5b Mon Sep 17 00:00:00 2001 From: andriyDev Date: Sat, 25 May 2024 19:26:55 -0700 Subject: [PATCH 3/3] Switch to using the SceneInstance component to determine the nearest Gltf. --- crates/bevy_gltf_component_refs/Cargo.toml | 5 +---- crates/bevy_gltf_component_refs/src/lib.rs | 5 ++--- 2 files changed, 3 insertions(+), 7 deletions(-) diff --git a/crates/bevy_gltf_component_refs/Cargo.toml b/crates/bevy_gltf_component_refs/Cargo.toml index 9eb7718..5a1ce15 100644 --- a/crates/bevy_gltf_component_refs/Cargo.toml +++ b/crates/bevy_gltf_component_refs/Cargo.toml @@ -14,10 +14,7 @@ license = "MIT OR Apache-2.0" workspace = true [dependencies] -bevy = { version = "0.13", default-features = false, features = [ - "bevy_asset", - "bevy_scene", -] } +bevy = { version = "0.13", default-features = false, features = ["bevy_scene"] } bevy_gltf_components = { version = "0.5", path = "../bevy_gltf_components" } [dev-dependencies] diff --git a/crates/bevy_gltf_component_refs/src/lib.rs b/crates/bevy_gltf_component_refs/src/lib.rs index 628111f..945204c 100644 --- a/crates/bevy_gltf_component_refs/src/lib.rs +++ b/crates/bevy_gltf_component_refs/src/lib.rs @@ -1,6 +1,5 @@ use bevy::{ app::{App, Plugin}, - asset::Handle, ecs::{ component::Component, entity::Entity, @@ -13,7 +12,7 @@ use bevy::{ log::warn, prelude::Update, reflect::{Reflect, TypePath}, - scene::Scene, + scene::SceneInstance, utils::HashMap, }; use bevy_gltf_components::GltfComponentsSet; @@ -157,7 +156,7 @@ impl Default for GltfRefPlugin { /// SystemParam to find the Gltf that an entity belongs to. #[derive(SystemParam)] pub struct GltfForEntity<'w, 's> { - gltfs: Query<'w, 's, (), With>>, + gltfs: Query<'w, 's, (), With>, hierarchy: Query<'w, 's, &'static Parent>, }