mittens_engine/engine/ecs/component/
mesh.rs

1use crate::engine::ecs::ComponentId;
2use crate::engine::ecs::component::Component;
3
4/// Select a mesh for a Renderable by string key.
5///
6/// This is intended to be attached as a descendant of a `RenderableComponent`.
7/// The key can refer to imported meshes (e.g. "{gltf}:{mesh}:{prim}") registered in `RenderAssets`.
8#[derive(Debug, Clone)]
9pub struct MeshComponent {
10    pub key: String,
11}
12
13impl MeshComponent {
14    pub fn new(key: impl Into<String>) -> Self {
15        Self { key: key.into() }
16    }
17}
18
19impl Component for MeshComponent {
20    fn name(&self) -> &'static str {
21        "mesh"
22    }
23
24    fn as_any(&self) -> &dyn std::any::Any {
25        self
26    }
27
28    fn as_any_mut(&mut self) -> &mut dyn std::any::Any {
29        self
30    }
31
32    fn init(&mut self, _emit: &mut dyn crate::engine::ecs::SignalEmitter, _component: ComponentId) {
33        // No-op: RenderableSystem resolves this opportunistically during flush.
34    }
35
36    fn to_mms_ast(
37        &self,
38        _world: &crate::engine::ecs::World,
39    ) -> crate::scripting::ast::ComponentExpression {
40        use crate::engine::ecs::component::ce_helpers::*;
41        ce_call("Mesh", "new", vec![s(&self.key)])
42    }
43}
mittens_engine/engine/ecs/component/mesh.rs

mittens_engine/engine/ecs/component/
mesh.rs
