State+Scene Transititions

src/macros.rs

@@ -2,15 +2,14 @@
 macro_rules! configure_sets {
 	(
 		$app: expr,
-		$system_set: expr,
 		$condition: expr
 		) => {
-		$app.configure_sets(PreUpdate, $system_set.run_if($condition))
-			.configure_sets(Update, $system_set.run_if($condition))
-			.configure_sets(PostUpdate, $system_set.run_if($condition))
-			.configure_sets(Last, $system_set.run_if($condition));
-		$app.configure_sets(FixedPreUpdate, $system_set.run_if($condition))
-			.configure_sets(FixedUpdate, $system_set.run_if($condition))
-			.configure_sets(FixedPostUpdate, $system_set.run_if($condition));
+		$app.configure_sets(PreUpdate, $condition)
+			.configure_sets(Update, $condition)
+			.configure_sets(PostUpdate, $condition)
+			.configure_sets(Last, $condition);
+		$app.configure_sets(FixedPreUpdate, $condition)
+			.configure_sets(FixedUpdate, $condition)
+			.configure_sets(FixedPostUpdate, $condition);
 	};
 }

src/plugins/camera.rs

@@ -2,16 +2,16 @@ use bevy::prelude::*;
 #[cfg(feature = "dev")]
 use bevy::window::PrimaryWindow;
 
-use crate::components::camera::*;
+use crate::{components::camera::*, states::play::PlaySystems};
 
 pub struct CameraPlugin;
 
 impl Plugin for CameraPlugin {
 	fn build(&self, app: &mut App) {
-		app.add_systems(Update, camera_pitch);
-		app.add_systems(Update, camera_attachment);
+		app.add_systems(Update, camera_pitch.in_set(PlaySystems));
+		app.add_systems(Update, camera_attachment.in_set(PlaySystems));
 		#[cfg(feature = "dev")]
-		app.add_systems(Update, camera_toggle);
+		app.add_systems(Update, camera_toggle.in_set(PlaySystems));
 	}
 }
 

src/plugins/follow_cam.rs

@@ -1,12 +1,15 @@
 use bevy::prelude::*;
 
-use crate::components::camera::{FollowCam, FollowTarget};
+use crate::{
+	components::camera::{FollowCam, FollowTarget},
+	states::play::PlaySystems,
+};
 
 pub struct FollowCamPlugin;
 
 impl Plugin for FollowCamPlugin {
 	fn build(&self, app: &mut App) {
-		app.add_systems(Update, (set_cam_target, follow_cam).chain());
+		app.add_systems(Update, (set_cam_target, follow_cam).chain().in_set(PlaySystems));
 	}
 }
 

src/plugins/game.rs

@@ -8,8 +8,8 @@ use crate::{
 	states::{
 		game::*,
 		input::{InputState, PlayerState},
-		loading::{AssetLoadingState, StartupLoadingState},
 		menu::MenuState,
+		play::PlayStartupSystems,
 	},
 };
 use bevy::{
@@ -24,22 +24,11 @@ pub struct GamePlugin;
 
 impl Plugin for GamePlugin {
 	fn build(&self, app: &mut bevy::app::App) {
-		app.init_state::<AssetLoadingState>();
-		app.init_state::<StartupLoadingState>();
-		app.insert_state(GameState::Startup);
-		app.init_state::<MenuState>();
-		app.init_state::<PlayerState>();
-		app.add_loading_state(
-			LoadingState::new(AssetLoadingState::Loading).continue_to_state(AssetLoadingState::Finalizing),
-		)
-		.add_loading_state(
-			LoadingState::new(StartupLoadingState::Loading).continue_to_state(StartupLoadingState::Finalizing),
-		);
-
 		app.add_plugins((
 			FollowCamPlugin,
 			CameraPlugin,
 			StateManagementPlugin,
+			MainMenuPlugin,
 			// ShipPlugin,
 			TypesPlugin,
 			PlayerPlugin,
@@ -49,7 +38,7 @@ impl Plugin for GamePlugin {
 			#[cfg(feature = "dev-phys")]
 			RapierDebugRenderPlugin::default(),
 		));
-		app.add_systems(Startup, (setup_scene, spawn_ship).chain());
+		app.add_systems(Update, (setup_scene, spawn_ship).chain().in_set(PlayStartupSystems));
 	}
 }
 

src/plugins/main_menu.rs

@@ -0,0 +1,38 @@
+use bevy::prelude::*;
+
+use crate::states::{
+	game::GameState,
+	menu::{MainMenuSystems, MenuCleanupSystems, MenuStartupSystems, MenuState},
+	play::PlayState,
+};
+
+pub struct MainMenuPlugin;
+
+impl Plugin for MainMenuPlugin {
+	fn build(&self, app: &mut App) {
+		app.add_systems(Update, spawn_menu.in_set(MenuStartupSystems));
+		app.add_systems(Update, clean_menu.in_set(MenuCleanupSystems));
+		app.add_systems(Update, main_menu.in_set(MainMenuSystems));
+	}
+}
+
+fn spawn_menu(mut next: ResMut<NextState<MenuState>>) {
+	next.set(MenuState::Main);
+	info_once!("Moving to MenuState:{:?}", MenuState::Main);
+}
+
+fn clean_menu(mut next: ResMut<NextState<MenuState>>) {
+	next.set(MenuState::Idle);
+	info_once!("Moving to MenuState:{:?}", MenuState::Loading);
+}
+
+fn main_menu(
+	mut next_menu: ResMut<NextState<MenuState>>,
+	mut next_game: ResMut<NextState<GameState>>,
+	mut next_play_state: ResMut<NextState<PlayState>>,
+) {
+	next_menu.set(MenuState::Cleanup);
+	next_game.set(GameState::InGame);
+	next_play_state.set(PlayState::Loading);
+	info_once!("Moving to InGame");
+}

src/plugins/mod.rs

@@ -2,6 +2,7 @@
 mod camera;
 mod follow_cam;
 mod game;
+mod main_menu;
 mod player;
 mod ship;
 mod ship_cam;
@@ -12,6 +13,7 @@ mod types;
 pub use camera::*;
 pub use follow_cam::*;
 pub use game::*;
+pub use main_menu::*;
 pub use player::*;
 pub use ship::*;
 pub use ship_cam::*;

src/plugins/player.rs

@@ -9,7 +9,7 @@ use crate::{
 		player::{GravityDirection, JumpSpeed, MoveSpeed, PlayerDrag, PlayerForce, PlayerMotion, PlayerVelocity},
 		tags::Player,
 	},
-	states::input::PlayerInputSystems,
+	states::{input::PlayerInputSystems, play::PlaySystems},
 	utils::{input::get_mouse_delta, rotation::get_alignment_rotation_preserve_twist},
 };
 
@@ -18,8 +18,13 @@ pub struct PlayerPlugin;
 impl Plugin for PlayerPlugin {
 	fn build(&self, app: &mut App) {
 		app.add_systems(PreUpdate, (keyboard_input, player_look).in_set(PlayerInputSystems));
-		app.add_systems(Update, (apply_gravity, apply_forces, apply_motion, apply_drag).chain());
-		app.add_systems(Update, align_with_gravity);
+		app.add_systems(
+			Update,
+			(apply_gravity, apply_forces, apply_motion, apply_drag)
+				.chain()
+				.in_set(PlaySystems),
+		);
+		app.add_systems(Update, align_with_gravity.in_set(PlaySystems));
 	}
 }
 

src/plugins/ship.rs

@@ -1,15 +1,15 @@
 use bevy::{input::mouse::MouseMotion, prelude::*};
 use bevy_rapier3d::prelude::*;
 
-use crate::{components::tags::Ship, utils::input::get_mouse_delta};
+use crate::{components::tags::Ship, states::play::PlaySystems, utils::input::get_mouse_delta};
 
 pub struct ShipPlugin;
 
 impl Plugin for ShipPlugin {
 	fn build(&self, app: &mut App) {
-		app.add_systems(Update, ship_controls);
+		app.add_systems(Update, ship_controls.in_set(PlaySystems));
 		#[cfg(feature = "dev-viz")]
-		app.add_systems(Update, ship_debug);
+		app.add_systems(Update, ship_debug.in_set(PlaySystems));
 	}
 }
 

src/plugins/state_management.rs

@@ -1,8 +1,10 @@
 use bevy::prelude::*;
+use bevy_asset_loader::prelude::*;
 
 use crate::{
 	configure_sets,
 	states::{
+		game::{GameState, InGameSystems, MenuSystems},
 		input::{InputState, PlayerInputSystems, PlayerState},
 		menu::{
 			MainMenuSystems, MenuCleanupSystems, MenuStartupSystems, MenuState, OptionsMenuSystems, SavesMenuSystems,
@@ -17,25 +19,76 @@ impl Plugin for StateManagementPlugin {
 	fn build(&self, app: &mut App) {
 		app.init_state::<PlayerState>();
 		app.init_state::<InputState>();
+		app.init_state::<GameState>();
+		app.init_state::<MenuState>();
+		app.init_state::<PlayState>();
+
+		//Loading
+		app.add_loading_state(LoadingState::new(MenuState::Loading).continue_to_state(MenuState::Startup))
+			.add_loading_state(LoadingState::new(PlayState::Loading).continue_to_state(PlayState::Startup));
+
+		//Game
+		configure_sets!(app, MenuSystems.run_if(in_state(GameState::MainMenu)));
+		configure_sets!(app, InGameSystems.run_if(in_state(GameState::InGame)));
 
 		//Menu
-		configure_sets!(app, MenuStartupSystems, in_state(MenuState::Startup));
-		configure_sets!(app, MainMenuSystems, in_state(MenuState::Main));
-		configure_sets!(app, OptionsMenuSystems, in_state(MenuState::Options));
-		configure_sets!(app, SavesMenuSystems, in_state(MenuState::Saves));
-		configure_sets!(app, MenuCleanupSystems, in_state(MenuState::Cleanup));
+		configure_sets!(
+			app,
+			MenuStartupSystems
+				.run_if(in_state(MenuState::Startup))
+				.in_set(MenuSystems)
+		);
+		configure_sets!(
+			app,
+			MainMenuSystems.run_if(in_state(MenuState::Main)).in_set(MenuSystems)
+		);
+		configure_sets!(
+			app,
+			OptionsMenuSystems
+				.run_if(in_state(MenuState::Options))
+				.in_set(MenuSystems)
+		);
+		configure_sets!(
+			app,
+			SavesMenuSystems.run_if(in_state(MenuState::Saves)).in_set(MenuSystems)
+		);
+		configure_sets!(app, MenuCleanupSystems.run_if(in_state(MenuState::Cleanup)));
 
 		//Play
-		configure_sets!(app, PlayStartupSystems, in_state(PlayState::Startup));
-		configure_sets!(app, PausedSystems, in_state(PlayState::Paused));
-		configure_sets!(app, PlaySystems, in_state(PlayState::Playing));
-		configure_sets!(app, PlayCleanupSystems, in_state(PlayState::Cleanup));
+		configure_sets!(
+			app,
+			PlayStartupSystems
+				.run_if(in_state(PlayState::Startup))
+				.in_set(InGameSystems)
+		);
+		configure_sets!(
+			app,
+			PausedSystems.run_if(in_state(PlayState::Paused)).in_set(InGameSystems)
+		);
+		configure_sets!(
+			app,
+			PlaySystems.run_if(in_state(PlayState::Playing)).in_set(InGameSystems)
+		);
+		configure_sets!(app, PlayCleanupSystems.run_if(in_state(PlayState::Cleanup)));
 
 		//Input
 		configure_sets!(
 			app,
-			PlayerInputSystems,
-			in_state(InputState::World).and(in_state(PlayState::Playing))
+			PlayerInputSystems
+				.run_if(in_state(InputState::World))
+				.in_set(PlaySystems)
 		);
+
+		//State Transitions
+		app.add_systems(Update, game_startup.in_set(PlayStartupSystems));
+		app.add_systems(Update, game_cleanup.in_set(PlayCleanupSystems));
 	}
 }
+
+fn game_startup(mut next: ResMut<NextState<PlayState>>) {
+	next.set(PlayState::Playing);
+}
+
+fn game_cleanup(mut next: ResMut<NextState<PlayState>>) {
+	next.set(PlayState::Idle);
+}

src/states/game.rs

@@ -3,7 +3,12 @@ use bevy::prelude::*;
 #[derive(States, Debug, Reflect, Default, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum GameState {
 	#[default]
-	Startup,
 	MainMenu,
-	PlayGame,
+	InGame,
 }
+
+#[derive(SystemSet, Debug, Clone, PartialEq, Eq, Hash)]
+pub struct MenuSystems;
+
+#[derive(SystemSet, Debug, Clone, PartialEq, Eq, Hash)]
+pub struct InGameSystems;

src/states/loading.rs

@@ -1,18 +0,0 @@
-use bevy::prelude::*;
-#[derive(States, Debug, Default, Clone, PartialEq, Eq, Hash)]
-pub enum StartupLoadingState {
-	#[default]
-	Pending,
-	Loading,
-	Finalizing,
-	Done,
-}
-
-#[derive(States, Debug, Default, Clone, PartialEq, Eq, Hash)]
-pub enum AssetLoadingState {
-	#[default]
-	Pending,
-	Loading,
-	Finalizing,
-	Done,
-}

src/states/menu.rs

@@ -3,7 +3,9 @@ use bevy::prelude::*;
 #[derive(States, Debug, Reflect, Default, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum MenuState {
 	#[default]
+	Idle,
 	Loading,
+	AssetFinalize,
 	Startup,
 	Main,
 	Saves,

src/states/mod.rs

@@ -1,5 +1,4 @@
 pub mod game;
 pub mod input;
-pub mod loading;
 pub mod menu;
 pub mod play;

src/states/play.rs

@@ -2,8 +2,10 @@ use bevy::prelude::*;
 
 #[derive(States, Debug, Reflect, Default, Clone, Copy, PartialEq, Eq, Hash)]
 pub enum PlayState {
+	Idle,
 	#[default]
 	Loading,
+	AssetFinalize,
 	Startup,
 	Playing,
 	Paused,