make debug console top level

src/debug.rs

@@ -0,0 +1,81 @@
+//! Seperate out debugging uis/plugins in it's own module for cleanliness.
+use bevy::prelude::*;
+use bevy_inspector_egui::bevy_egui::EguiPlugin;
+use clap::Subcommand;
+use console::ConsoleLog;
+use util::{console_err, console_log};
+
+use crate::AppState;
+
+mod console;
+
+mod util {
+    use bevy::prelude::*;
+
+    use super::DebugEvent;
+
+    pub fn console_log(dbg_writer: &mut EventWriter<DebugEvent>, s: impl Into<String>) {
+        dbg_writer.write(DebugEvent::PrintToConsole {
+            error: false,
+            text: s.into(),
+        });
+    }
+
+    pub fn console_err(dbg_writer: &mut EventWriter<DebugEvent>, s: impl Into<String>) {
+        dbg_writer.write(DebugEvent::PrintToConsole {
+            error: false,
+            text: s.into(),
+        });
+    }
+}
+
+/// Debug system set.
+#[derive(SystemSet, Debug, Clone, PartialEq, Eq, Hash)]
+pub struct DebugSet;
+
+pub fn plugin(app: &mut App) {
+    app.add_plugins(EguiPlugin {
+        enable_multipass_for_primary_context: true,
+    })
+    .add_systems(Update, start_game.in_set(DebugSet))
+    .add_event::<DebugEvent>()
+    .add_plugins(console::plugin);
+}
+
+#[derive(Event, Debug, Subcommand, PartialEq, Eq)]
+enum DebugEvent {
+    /// Close the debug console.
+    #[command(name = "close", aliases = ["close-console"])]
+    CloseDebugConsole,
+
+    /// Output a string to the console.
+    #[command(name = "echo", aliases = ["print", "print-to-console"])]
+    PrintToConsole {
+        /// Print as error
+        #[arg(short, long)]
+        error: bool,
+        /// The text to be printed in the console.
+        text: String,
+    },
+
+    /// Start the game
+    StartGame,
+}
+
+fn start_game(
+    mut dbg_reader: EventReader<DebugEvent>,
+    mut log: ResMut<ConsoleLog>,
+    cur_state: Res<State<AppState>>,
+    mut next_state: ResMut<NextState<AppState>>,
+) {
+    for ev in dbg_reader.read() {
+        if *ev == DebugEvent::StartGame {
+            if *cur_state == AppState::Ingame {
+                log.err("Can't start game since it's already started.");
+            } else {
+                log.write("Starting game...");
+                next_state.set(AppState::Ingame);
+            }
+        }
+    }
+}