use bevy_app::{App, SubApp};
use bevy_ecs::world::FromWorld;
use bevy_utils::tracing::warn;
use super::{IntoRenderNodeArray, Node, RenderGraph, RenderLabel, RenderSubGraph};
pub trait RenderGraphApp {
fn add_render_sub_graph(&mut self, sub_graph: impl RenderSubGraph) -> &mut Self;
fn add_render_graph_node<T: Node + FromWorld>(
&mut self,
sub_graph: impl RenderSubGraph,
node_label: impl RenderLabel,
) -> &mut Self;
fn add_render_graph_edges<const N: usize>(
&mut self,
sub_graph: impl RenderSubGraph,
edges: impl IntoRenderNodeArray<N>,
) -> &mut Self;
fn add_render_graph_edge(
&mut self,
sub_graph: impl RenderSubGraph,
output_node: impl RenderLabel,
input_node: impl RenderLabel,
) -> &mut Self;
}
impl RenderGraphApp for SubApp {
fn add_render_graph_node<T: Node + FromWorld>(
&mut self,
sub_graph: impl RenderSubGraph,
node_label: impl RenderLabel,
) -> &mut Self {
let sub_graph = sub_graph.intern();
let node = T::from_world(self.world_mut());
let mut render_graph = self.world_mut().get_resource_mut::<RenderGraph>().expect(
"RenderGraph not found. Make sure you are using add_render_graph_node on the RenderApp",
);
if let Some(graph) = render_graph.get_sub_graph_mut(sub_graph) {
graph.add_node(node_label, node);
} else {
warn!(
"Tried adding a render graph node to {sub_graph:?} but the sub graph doesn't exist"
);
}
self
}
fn add_render_graph_edges<const N: usize>(
&mut self,
sub_graph: impl RenderSubGraph,
edges: impl IntoRenderNodeArray<N>,
) -> &mut Self {
let sub_graph = sub_graph.intern();
let mut render_graph = self.world_mut().get_resource_mut::<RenderGraph>().expect(
"RenderGraph not found. Make sure you are using add_render_graph_edges on the RenderApp",
);
if let Some(graph) = render_graph.get_sub_graph_mut(sub_graph) {
graph.add_node_edges(edges);
} else {
warn!(
"Tried adding render graph edges to {sub_graph:?} but the sub graph doesn't exist"
);
}
self
}
fn add_render_graph_edge(
&mut self,
sub_graph: impl RenderSubGraph,
output_node: impl RenderLabel,
input_node: impl RenderLabel,
) -> &mut Self {
let sub_graph = sub_graph.intern();
let mut render_graph = self.world_mut().get_resource_mut::<RenderGraph>().expect(
"RenderGraph not found. Make sure you are using add_render_graph_edge on the RenderApp",
);
if let Some(graph) = render_graph.get_sub_graph_mut(sub_graph) {
graph.add_node_edge(output_node, input_node);
} else {
warn!(
"Tried adding a render graph edge to {sub_graph:?} but the sub graph doesn't exist"
);
}
self
}
fn add_render_sub_graph(&mut self, sub_graph: impl RenderSubGraph) -> &mut Self {
let mut render_graph = self.world_mut().get_resource_mut::<RenderGraph>().expect(
"RenderGraph not found. Make sure you are using add_render_sub_graph on the RenderApp",
);
render_graph.add_sub_graph(sub_graph, RenderGraph::default());
self
}
}
impl RenderGraphApp for App {
fn add_render_graph_node<T: Node + FromWorld>(
&mut self,
sub_graph: impl RenderSubGraph,
node_label: impl RenderLabel,
) -> &mut Self {
SubApp::add_render_graph_node::<T>(self.main_mut(), sub_graph, node_label);
self
}
fn add_render_graph_edge(
&mut self,
sub_graph: impl RenderSubGraph,
output_node: impl RenderLabel,
input_node: impl RenderLabel,
) -> &mut Self {
SubApp::add_render_graph_edge(self.main_mut(), sub_graph, output_node, input_node);
self
}
fn add_render_graph_edges<const N: usize>(
&mut self,
sub_graph: impl RenderSubGraph,
edges: impl IntoRenderNodeArray<N>,
) -> &mut Self {
SubApp::add_render_graph_edges(self.main_mut(), sub_graph, edges);
self
}
fn add_render_sub_graph(&mut self, sub_graph: impl RenderSubGraph) -> &mut Self {
SubApp::add_render_sub_graph(self.main_mut(), sub_graph);
self
}
}