Merge pull request #171 from mitchmindtree/refactor

refactor: Rm plugin module, hide graph nav at root, make "Graph Config" work per-head

Author: mitchmindtree

crates/bevy_gantz/src/lib.rs

@@ -6,20 +6,66 @@
 pub mod builtin;
 pub mod debounced_input;
 pub mod head;
-pub mod plugin;
 pub mod reg;
 pub mod storage;
 pub mod vm;
 
+use bevy_app::{App, Plugin, Update};
 pub use builtin::{BuiltinNodes, Builtins};
+use gantz_core::Node;
 pub use head::{
     CompiledModule, FocusedHead, HeadRef, HeadTabOrder, HeadVms, OpenHead, OpenHeadData,
     OpenHeadDataReadOnly, WorkingGraph,
 };
-pub use plugin::GantzPlugin;
 pub use reg::{Registry, lookup_node, timestamp};
 pub use vm::{EvalCompleted, EvalEvent, EvalKind};
 
+/// Plugin providing core gantz functionality.
+///
+/// Generic over `N`, the node type used in graphs.
+///
+/// This plugin:
+/// - Initializes core resources (Registry, HeadVms, etc.)
+/// - Registers event observers for head operations
+/// - Registers the eval event observer
+/// - Handles VM initialization for opened/replaced heads
+/// - Detects graph changes and recompiles VMs
+///
+/// Apps should also:
+/// - Insert a `BuiltinNodes<N>` resource with their builtin nodes
+/// - Add `GantzEguiPlugin` for egui integration (Views, GraphViews, etc.)
+pub struct GantzPlugin<N>(std::marker::PhantomData<N>);
+
+impl<N> Default for GantzPlugin<N> {
+    fn default() -> Self {
+        Self(std::marker::PhantomData)
+    }
+}
+
+impl<N> Plugin for GantzPlugin<N>
+where
+    N: 'static + Node + Clone + gantz_ca::CaHash + Send + Sync,
+{
+    fn build(&self, app: &mut App) {
+        app.init_resource::<FocusedHead>()
+            .init_resource::<HeadTabOrder>()
+            .init_resource::<Registry<N>>()
+            .init_non_send_resource::<HeadVms>()
+            // Register head event handlers.
+            .add_observer(head::on_open::<N>)
+            .add_observer(head::on_replace::<N>)
+            .add_observer(head::on_close::<N>)
+            .add_observer(head::on_branch::<N>)
+            // Register eval event handler.
+            .add_observer(vm::on_eval)
+            // VM init observers.
+            .add_observer(vm::on_head_opened::<N>)
+            .add_observer(vm::on_head_replaced::<N>)
+            // Graph recompilation system.
+            .add_systems(Update, vm::update::<N>);
+    }
+}
+
 /// Clone a graph.
 pub fn clone_graph<N: Clone>(
     graph: &gantz_core::node::graph::Graph<N>,

crates/bevy_gantz/src/plugin.rs

@@ -2,9 +2,11 @@
 
 pub use command_palette::CommandPalette;
 pub use gantz::{Gantz, GantzState, update_graph_pane_head};
+pub use graph_config::{GraphConfig, GraphConfigResponse};
 pub use graph_scene::{GraphScene, GraphSceneState};
 pub use graph_select::GraphSelect;
 pub use graph_tab::{GraphTab, GraphTabResponse};
+pub use head_name_edit::{HeadNameEditResponse, head_name, head_name_edit};
 pub use head_row::{HeadRowResponse, HeadRowType, fmt_commit_timestamp, head_row};
 pub use history_view::{HistoryMode, HistoryView, HistoryViewState};
 pub use label_button::LabelButton;
@@ -16,9 +18,11 @@ pub use perf_view::{PerfCapture, PerfView};
 
 pub mod command_palette;
 pub mod gantz;
+pub mod graph_config;
 pub mod graph_scene;
 pub mod graph_select;
 pub mod graph_tab;
+pub mod head_name_edit;
 pub mod head_row;
 pub mod history_view;
 pub mod label_button;