add a feature for graph debug lines

Cargo.toml

@@ -28,6 +28,7 @@ opt-level = 3
 
 [features]
 godmode = ["de_spawner/godmode"]
+graph_debug_lines = ["de_energy/graph_debug_lines"]
 
 [dependencies]
 # DE
@@ -112,7 +113,6 @@ async-compat = "0.2.1"
 async-std = "1.11"
 async-tar = "0.4.2"
 bevy = { version = "0.11", features = ["mp3"] }
-bevy_prototype_debug_lines = { version="0.11", features = ["3d"] }
 bincode = "2.0.0-rc.3"
 chrono = "0.4.24"
 clap = { version = "4.0", features = ["derive"] }

crates/energy/Cargo.toml

@@ -13,6 +13,9 @@ categories.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[features]
+graph_debug_lines = ["dep:bevy_prototype_debug_lines"]
+
 [dependencies]
 # DE
 de_core.workspace = true
@@ -21,6 +24,8 @@ de_spawner.workspace = true
 
 # Other
 bevy.workspace = true
-bevy_prototype_debug_lines.workspace = true
 parry3d.workspace = true
 tinyvec.workspace = true
+
+# This cannot be a workspace dependency because it is optional
+bevy_prototype_debug_lines = { version="0.11", features = ["3d"], optional = true }

crates/energy/src/graph.rs

@@ -2,8 +2,8 @@ use std::collections::HashSet;
 
 use bevy::prelude::*;
 use bevy::utils::petgraph::prelude::*;
-use bevy::utils::petgraph::visit::IntoNodeReferences;
 use bevy::utils::Instant;
+#[cfg(feature = "graph_debug_lines")]
 use bevy_prototype_debug_lines::{DebugLines, DebugLinesPlugin};
 use de_core::gamestate::GameState;
 use de_core::objects::Active;
@@ -22,7 +22,6 @@ pub(crate) struct GraphPlugin;
 impl Plugin for GraphPlugin {
     fn build(&self, app: &mut App) {
         app.add_plugins((
-            DebugLinesPlugin::default(),
             DespawnEventsPlugin::<&NearbyUnits, NearbyUnits>::default(),
         ))
         .add_systems(OnEnter(GameState::Playing), setup)
@@ -36,10 +35,18 @@ impl Plugin for GraphPlugin {
                 update_graph
                     .in_set(GraphSystemSet::UpdateGraph)
                     .after(GraphSystemSet::UpdateNearby),
-                debug_lines.after(GraphSystemSet::UpdateGraph),
+
             )
                 .run_if(in_state(GameState::Playing)),
         );
+
+        #[cfg(feature = "graph_debug_lines")]
+        app.add_plugins(DebugLinesPlugin::default())
+            .add_systems(
+            PostUpdate,
+            (debug_lines)
+                .run_if(in_state(GameState::Playing)),
+        );
     }
 }
 
@@ -235,6 +242,7 @@ fn remove_old_nodes(
     }
 }
 
+#[cfg(feature = "graph_debug_lines")]
 fn debug_lines(
     power_grid: Res<PowerGrid>,
     query: Query<&Transform>,