Add more windows, move rendering logic

build_all.sh.ps1

@@ -6,7 +6,7 @@ cargo build --no-default-features --features=logging &&
 echo "Debug-build with features: render" &&
 cargo build --no-default-features --features=render &&
 echo "Debug-build with features: logging render" &&
-cargo build --no-default-features --features=logging,render &&
+cargo build --no-default-features --features="logging,render" &&
 echo "Release-build with features: minimal"
 cargo build --release --no-default-features --features= &&
 echo "Release-build with features: logging" &&
@@ -14,5 +14,5 @@ cargo build --release --no-default-features --features=logging &&
 echo "Release-build with features: render" &&
 cargo build --release --no-default-features --features=render &&
 echo "Release-build with features: logging render" &&
-cargo build --release --no-default-features --features=logging,render &&
+cargo build --release --no-default-features --features="logging,render" &&
 echo "Done!"

planet/src/lib.rs

@@ -41,4 +41,8 @@ pub use world_manager::WorldManager;
 pub(crate) mod macros;
 pub mod math_util;
 pub mod perlin;
+#[cfg(feature = "render")]
+pub mod rendering;
+#[cfg(feature = "render")]
+pub use rendering::*;
 pub mod saving;

planet/src/macros.rs

@@ -1,7 +1,7 @@
 macro_rules! iterable_enum {
     ($Name:ident { $($Variant:ident),*$(,)? }) =>
     {
-        #[derive(Debug, Copy, Clone, Eq, PartialEq, serde::Deserialize, serde::Serialize)]
+        #[derive(Debug, Copy, Clone, Eq, PartialEq, Hash, serde::Deserialize, serde::Serialize)]
         pub enum $Name {
             $($Variant),*,
         }
@@ -13,6 +13,20 @@ macro_rules! iterable_enum {
                 $Name::ITEMS.iter()
             }
         }
+        impl From<$Name> for &'static str {
+            fn from(value: $Name) -> &'static str {
+                match value {
+                    $($Name::$Variant => stringify!($Variant),)*
+                }
+            }
+        }
+        impl From<&$Name> for &'static str {
+            fn from(value: &$Name) -> &'static str {
+                match value {
+                    $($Name::$Variant => stringify!($Variant),)*
+                }
+            }
+        }
     }
 }
 pub(crate) use iterable_enum;

planet/src/rendering/mod.rs

@@ -0,0 +1,45 @@
+#[cfg(feature = "render")]
+use bevy::asset::HandleId;
+use {crate::macros::iterable_enum, bevy::utils::HashSet};
+
+iterable_enum!(WorldView { Biomes, Topography });
+iterable_enum!(WorldOverlay {
+    Temperature,
+    Rainfall
+});
+
+#[cfg(feature = "render")]
+#[derive(Debug, Default)]
+pub struct WorldRenderSettings {
+    pub map_image_handle_id: Option<HandleId>,
+
+    visible_overlays: HashSet<WorldOverlay>,
+    pub view:         WorldView,
+}
+
+#[cfg(feature = "render")]
+impl WorldRenderSettings {
+    pub fn overlay_visible(&self, overlay: &WorldOverlay) -> bool {
+        self.visible_overlays.contains(overlay)
+    }
+
+    pub fn toggle_overlay(&mut self, overlay: &WorldOverlay) {
+        if self.visible_overlays.contains(overlay) {
+            assert!(
+                self.visible_overlays.remove(overlay),
+                "Failed to remove overlay [{overlay:#?}], that shouldn't happen."
+            );
+        } else {
+            assert!(
+                self.visible_overlays.insert(*overlay),
+                "Failed to insert overlay [{overlay:#?}], that shouldn't happen."
+            );
+        }
+    }
+}
+
+impl Default for WorldView {
+    fn default() -> Self {
+        WorldView::Biomes
+    }
+}

planet/src/world_manager.rs

@@ -1,7 +1,14 @@
-#[cfg(all(feature = "logging", feature = "render"))]
+#[cfg(feature = "render")]
-use bevy::log::debug;
 use {
-    crate::{macros::iterable_enum, World, WorldGenError},
+    crate::{BiomeStats, TerrainCell, WorldOverlay, WorldRenderSettings, WorldView},
+    bevy::{
+        asset::Assets,
+        render::render_resource::Extent3d,
+        render::{color::Color, texture::Image},
+    },
+};
+use {
+    crate::{World, WorldGenError},
     bevy::{log::warn, utils::default},
     rand::random,
     std::{
@@ -12,15 +19,6 @@ use {
         path::Path,
     },
 };
-#[cfg(feature = "render")]
-use {
-    crate::{BiomeStats, TerrainCell},
-    bevy::{
-        asset::{Assets, HandleId},
-        render::render_resource::Extent3d,
-        render::{color::Color, texture::Image},
-    },
-};
 
 #[derive(Debug)]
 pub enum LoadError {
@@ -85,71 +83,9 @@ impl Display for SaveError {
     }
 }
 
-iterable_enum!(PlanetView { Biomes, Altitude });
-
-#[cfg(feature = "render")]
-#[derive(Debug, Default)]
-pub struct WorldRenderSettings {
-    pub map_image_handle_id: Option<HandleId>,
-
-    rainfall_visible:    bool,
-    temperature_visible: bool,
-    view:                PlanetView,
-}
-
-#[cfg(feature = "render")]
-impl WorldRenderSettings {
-    #[cfg(feature = "render")]
-    pub fn toggle_rainfall(&mut self) {
-        #[cfg(feature = "logging")]
-        if self.rainfall_visible {
-            debug!("Turning rainfall off");
-        } else {
-            debug!("Turning rainfall on");
-        }
-        self.rainfall_visible = !self.rainfall_visible;
-    }
-
-    #[cfg(feature = "render")]
-    pub fn toggle_temperature(&mut self) {
-        #[cfg(feature = "logging")]
-        if self.temperature_visible {
-            debug!("Turning temperature off");
-        } else {
-            debug!("Turning temperature on");
-        }
-        self.temperature_visible = !self.temperature_visible;
-    }
-
-    #[cfg(feature = "render")]
-    pub fn cycle_view(&mut self) {
-        let idx = (PlanetView::iterator()
-            .position(|view| *view == self.view)
-            .unwrap()
-            + 1)
-            % PlanetView::ITEM_COUNT;
-        #[cfg(feature = "logging")]
-        debug!(
-            "Cycling view from {:#?} to {:#?}",
-            self.view,
-            PlanetView::ITEMS[idx]
-        );
-        self.view = PlanetView::ITEMS[idx];
-    }
-}
-
-impl Default for PlanetView {
-    fn default() -> Self {
-        PlanetView::Biomes
-    }
-}
-
 #[derive(Debug, Default)]
 pub struct WorldManager {
     world: Option<World>,
-
-    #[cfg(feature = "render")]
-    pub render_settings: WorldRenderSettings,
 }
 
 impl WorldManager {
@@ -191,6 +127,7 @@ impl WorldManager {
     pub fn load_world<P: AsRef<Path>>(
         &mut self,
         path: P,
+        #[cfg(feature = "render")] render_settings: &WorldRenderSettings,
         #[cfg(feature = "render")] images: &mut Assets<Image>,
     ) -> Result<(), LoadError> {
         let mut file = match File::open(path) {
@@ -214,7 +151,7 @@ impl WorldManager {
                 #[cfg(feature = "render")]
                 {
                     let image_handle = &images.get_handle(
-                        self.render_settings
+                        render_settings
                             .map_image_handle_id
                             .expect("Missing image handle, even though world is present"),
                     );
@@ -264,8 +201,8 @@ impl WorldManager {
 
     #[cfg(feature = "render")]
     #[must_use]
-    fn generate_color(&self, cell: &TerrainCell) -> Color {
+    fn generate_color(&self, cell: &TerrainCell, render_settings: &WorldRenderSettings) -> Color {
-        if self.render_settings.view == PlanetView::Biomes {
+        if render_settings.view == WorldView::Biomes {
             return WorldManager::biome_color(cell);
         }
 
@@ -282,7 +219,7 @@ impl WorldManager {
         let mut green = altitude_color.g();
         let mut blue = altitude_color.b();
 
-        if self.render_settings.rainfall_visible {
+        if render_settings.overlay_visible(&WorldOverlay::Rainfall) {
             layer_count += 1.0;
             let rainfall_color = self.rainfall_contour_color(cell.rainfall);
             // if self.contours {
@@ -296,7 +233,7 @@ impl WorldManager {
             blue += rainfall_color.b();
         }
 
-        if self.render_settings.temperature_visible {
+        if render_settings.overlay_visible(&WorldOverlay::Temperature) {
             layer_count += 1.0;
             let temperature_color = self.temperature_contour_color(cell.temperature);
             // if self.contours {
@@ -399,14 +336,14 @@ impl WorldManager {
 
     #[cfg(feature = "render")]
     #[must_use]
-    pub fn map_color_bytes(&self) -> Vec<u8> {
+    pub fn map_color_bytes(&self, render_settings: &WorldRenderSettings) -> Vec<u8> {
         self.world()
             .terrain
             .iter()
             .rev()
             .flatten()
             .flat_map(|cell| {
-                self.generate_color(cell)
+                self.generate_color(cell, render_settings)
                     .as_rgba_f32()
                     .iter()
                     .flat_map(|num| num.to_le_bytes())

src/gui/mod.rs

@@ -10,18 +10,20 @@ use {
     crate::gui::{open_window, WidgetId, WidgetSystem},
     bevy::{
         asset::Assets,
-        ecs::change_detection::Mut,
         log::debug,
         render::{render_resource::Extent3d, texture::Image},
     },
-    planet::WorldManager,
+    planet::{WorldManager, WorldRenderSettings},
 };
 
-fn update_textures(world_manager: &WorldManager, images: &mut Mut<Assets<Image>>) {
+pub(crate) fn update_textures(
+    world_manager: &WorldManager,
+    render_settings: &WorldRenderSettings,
+    images: &mut Assets<Image>,
+) {
     debug!("refreshing world texture");
     let map_image_handle = images.get_handle(
-        world_manager
+        render_settings
-            .render_settings
             .map_image_handle_id
             .expect("No map image handle"),
     );
@@ -33,5 +35,5 @@ fn update_textures(world_manager: &WorldManager, images: &mut Mut<Assets<Image>>
         height:                world_manager.world().height,
         depth_or_array_layers: 1,
     });
-    map_image.data = world_manager.map_color_bytes();
+    map_image.data = world_manager.map_color_bytes(render_settings);
 }

src/gui/widgets/toolbar.rs

@@ -1,6 +1,12 @@
 use {
     crate::{
-        gui::{open_window, update_textures, windows::Overlay, WidgetId, WidgetSystem},
+        gui::{
+            open_window,
+            update_textures,
+            windows::{SaveLoad, WorldOverlaySelection, WorldViewSelection},
+            WidgetId,
+            WidgetSystem,
+        },
         macros::iterable_enum,
         resources::OpenedWindows,
     },
@@ -16,50 +22,48 @@ use {
         render::texture::Image,
     },
     bevy_egui::egui::{Layout, Ui},
-    planet::WorldManager,
+    planet::{WorldManager, WorldRenderSettings},
     std::marker::PhantomData,
 };
 
 iterable_enum!(ToolbarButton {
     GenerateWorld,
-    SaveWorld,
+    SaveLoad,
-    LoadWorld,
+    Views,
     Overlays,
-    ToggleBiomes,
 });
 
 impl ToolbarButton {
     fn clicked(self, world: &mut World) {
         world.resource_scope(|world, mut world_manager: Mut<'_, WorldManager>| {
-            match self {
+            world.resource_scope(|world, render_settings: Mut<'_, WorldRenderSettings>| {
-                ToolbarButton::GenerateWorld => {
+                match self {
-                    if let Err(err) = world_manager.new_world() {
+                    ToolbarButton::GenerateWorld => {
-                        eprintln!("Failed to generate world: {}", err);
+                        if let Err(err) = world_manager.new_world() {
-                    } else {
+                            eprintln!("Failed to generate world: {}", err);
-                        update_textures(&world_manager, &mut world.resource_mut::<Assets<Image>>());
+                        } else {
-                    }
+                            update_textures(
-                },
+                                &world_manager,
-                ToolbarButton::SaveWorld => {
+                                &render_settings,
-                    if let Err(err) = world_manager.save_world("planet.ron") {
+                                &mut world.resource_mut::<Assets<Image>>(),
-                        eprintln!("Failed to save planet.ron: {}", err);
+                            );
-                    }
+                        }
-                },
+                    },
-                ToolbarButton::LoadWorld => {
+                    ToolbarButton::SaveLoad => {
-                    let mut images = world.resource_mut::<Assets<Image>>();
+                        open_window::<SaveLoad>(&mut world.resource_mut::<OpenedWindows>());
-                    if let Err(err) = world_manager.load_world("planet.ron", &mut images) {
+                    },
-                        eprintln!("Failed to load planet.ron: {}", err);
+                    ToolbarButton::Views => {
-                    } else {
+                        open_window::<WorldViewSelection>(
-                        update_textures(&world_manager, &mut images);
+                            &mut world.resource_mut::<OpenedWindows>(),
-                    }
+                        );
-                },
+                    },
-                ToolbarButton::Overlays => {
+                    ToolbarButton::Overlays => {
-                    open_window::<Overlay>(&mut world.resource_mut::<OpenedWindows>());
+                        open_window::<WorldOverlaySelection>(
-                },
+                            &mut world.resource_mut::<OpenedWindows>(),
-                ToolbarButton::ToggleBiomes => {
+                        );
-                    world_manager.render_settings.cycle_view();
+                    },
-                    update_textures(&world_manager, &mut world.resource_mut::<Assets<Image>>());
+                };
-                },
+            });
-            };
         });
     }
 }
@@ -67,11 +71,10 @@ impl ToolbarButton {
 impl From<ToolbarButton> for &'static str {
     fn from(button: ToolbarButton) -> Self {
         match button {
+            ToolbarButton::Views => "Change view",
             ToolbarButton::Overlays => "Overlays",
-            ToolbarButton::ToggleBiomes => "Toggle biome view",
             ToolbarButton::GenerateWorld => "Generate new world",
-            ToolbarButton::SaveWorld => "Save",
+            ToolbarButton::SaveLoad => "Save/Load",
-            ToolbarButton::LoadWorld => "Load",
         }
     }
 }

src/gui/window.rs

@@ -21,10 +21,13 @@ pub(crate) trait WindowSystem: SystemParam {
 }
 
 pub(crate) fn render_windows(world: &mut World, ctx: &Context) {
-    // TODO: Windows are hard-coded here instead of being iterable.
+    // TODO: Windows are hard-coded here instead of being iterable, and allows
-    // Is that good enough? Probably, yea.
+    // creating new windows that are never rendered.
-    window::<windows::Overlay>(world, ctx);
+    // Is that good enough?
     window::<windows::TileInfo>(world, ctx);
+    window::<windows::WorldViewSelection>(world, ctx);
+    window::<windows::WorldOverlaySelection>(world, ctx);
+    window::<windows::SaveLoad>(world, ctx);
 }
 
 pub(crate) fn open_window<S: 'static + WindowSystem>(windows: &mut OpenedWindows) {

src/gui/windows/mod.rs

@@ -1,4 +1,8 @@
-mod overlay;
-pub(crate) use overlay::Overlay;
 mod tile_info;
 pub(crate) use tile_info::TileInfo;
+mod world_view_selection;
+pub(crate) use world_view_selection::WorldViewSelection;
+mod world_overlay_selection;
+pub(crate) use world_overlay_selection::WorldOverlaySelection;
+mod save_load;
+pub(crate) use save_load::SaveLoad;

src/gui/windows/overlay.rs

@@ -1,25 +0,0 @@
-use {
-    crate::gui::WindowSystem,
-    bevy::ecs::{
-        system::{SystemParam, SystemState},
-        world::World,
-    },
-    bevy_egui::egui::Ui,
-    std::marker::PhantomData,
-};
-
-#[derive(SystemParam)]
-pub(crate) struct Overlay<'w, 's> {
-    #[system_param(ignore)]
-    _phantom: PhantomData<(&'w (), &'s ())>,
-}
-
-impl WindowSystem for Overlay<'_, '_> {
-    fn draw_contents(world: &mut World, _state: &mut SystemState<Self>, ui: &mut Ui) {
-        ui.label(format!("{world:#?}"));
-    }
-
-    fn name() -> &'static str {
-        "Overlay Selection"
-    }
-}

src/gui/windows/save_load.rs

@@ -0,0 +1,57 @@
+use {
+    crate::gui::WindowSystem,
+    bevy::{
+        ecs::{
+            change_detection::Mut,
+            system::{Local, SystemParam, SystemState},
+            world::World,
+        },
+        log::error,
+        prelude::{Assets, Image},
+    },
+    bevy_egui::egui::Ui,
+    planet::{WorldManager, WorldRenderSettings},
+    std::marker::PhantomData,
+};
+
+#[derive(SystemParam)]
+pub(crate) struct SaveLoad<'w, 's> {
+    pub file_name: Local<'s, String>,
+    #[system_param(ignore)]
+    _phantom:      PhantomData<(&'w (), &'s ())>,
+}
+
+impl WindowSystem for SaveLoad<'_, '_> {
+    fn draw_contents(world: &mut World, state: &mut SystemState<Self>, ui: &mut Ui) {
+        world.resource_scope(|world, mut world_manager: Mut<WorldManager>| {
+            world.resource_scope(|world, mut images: Mut<Assets<Image>>| {
+                world.resource_scope(|world, render_settings: Mut<WorldRenderSettings>| {
+                    let mut state = state.get_mut(world);
+
+                    // TODO: File selection dialog.
+                    ui.text_edit_singleline(&mut *state.file_name);
+
+                    if ui.button("Save").clicked() {
+                        if let Err(err) = world_manager.save_world(&*state.file_name) {
+                            // TODO: Error popup
+                            error!("Failed to save: {err:#?}");
+                        }
+                    }
+                    if ui.button("Load").clicked() {
+                        if let Err(err) = world_manager.load_world(
+                            &*state.file_name,
+                            &render_settings,
+                            &mut images,
+                        ) {
+                            error!("Failed to load: {err:#?}");
+                        }
+                    }
+                });
+            });
+        });
+    }
+
+    fn name() -> &'static str {
+        "Save/Load world"
+    }
+}

src/gui/windows/world_overlay_selection.rs

@@ -0,0 +1,50 @@
+use {
+    crate::gui::{update_textures, WindowSystem},
+    bevy::{
+        asset::Assets,
+        ecs::{
+            change_detection::Mut,
+            system::{SystemParam, SystemState},
+            world::World,
+        },
+        render::texture::Image,
+    },
+    bevy_egui::egui::Ui,
+    planet::{WorldManager, WorldOverlay, WorldRenderSettings},
+    std::marker::PhantomData,
+};
+
+#[derive(SystemParam)]
+pub(crate) struct WorldOverlaySelection<'w, 's> {
+    #[system_param(ignore)]
+    _phantom: PhantomData<(&'w (), &'s ())>,
+}
+
+impl WindowSystem for WorldOverlaySelection<'_, '_> {
+    fn draw_contents(world: &mut World, _state: &mut SystemState<Self>, ui: &mut Ui) {
+        world.resource_scope(|world, mut render_settings: Mut<WorldRenderSettings>| {
+            for overlay in WorldOverlay::iterator() {
+                if ui
+                    .selectable_label(
+                        render_settings.overlay_visible(overlay),
+                        <&'static str>::from(overlay),
+                    )
+                    .clicked()
+                {
+                    render_settings.toggle_overlay(overlay);
+                    world.resource_scope(|world, mut images: Mut<Assets<Image>>| {
+                        update_textures(
+                            world.resource::<WorldManager>(),
+                            &render_settings,
+                            &mut images,
+                        );
+                    });
+                }
+            }
+        });
+    }
+
+    fn name() -> &'static str {
+        "Overlay Selection"
+    }
+}

src/gui/windows/world_view_selection.rs

@@ -0,0 +1,50 @@
+use {
+    crate::gui::{update_textures, WindowSystem},
+    bevy::{
+        asset::Assets,
+        ecs::{
+            change_detection::Mut,
+            system::{SystemParam, SystemState},
+            world::World,
+        },
+        render::texture::Image,
+    },
+    bevy_egui::egui::Ui,
+    planet::{WorldManager, WorldRenderSettings, WorldView},
+    std::marker::PhantomData,
+};
+
+#[derive(SystemParam)]
+pub(crate) struct WorldViewSelection<'w, 's> {
+    #[system_param(ignore)]
+    _phantom: PhantomData<(&'w (), &'s ())>,
+}
+
+impl WindowSystem for WorldViewSelection<'_, '_> {
+    fn draw_contents(world: &mut World, _state: &mut SystemState<Self>, ui: &mut Ui) {
+        world.resource_scope(|world, mut render_settings: Mut<WorldRenderSettings>| {
+            let current_selection = render_settings.view;
+            for view in WorldView::iterator() {
+                let view = *view;
+                if ui
+                    .selectable_label(view == current_selection, <&'static str>::from(view))
+                    .clicked()
+                    && render_settings.view != view
+                {
+                    render_settings.view = view;
+                    world.resource_scope(|world, mut images: Mut<Assets<Image>>| {
+                        update_textures(
+                            world.resource::<WorldManager>(),
+                            &render_settings,
+                            &mut images,
+                        );
+                    });
+                }
+            }
+        });
+    }
+
+    fn name() -> &'static str {
+        "View Selection"
+    }
+}

src/main.rs

@@ -1,3 +1,5 @@
+#![cfg_attr(not(feature = "logging"), windows_subsystem = "windows")]
+
 pub(crate) mod components;
 #[cfg(feature = "render")]
 pub(crate) mod gui;
@@ -35,13 +37,7 @@ use {
         prelude::Vec2,
         render::{
             camera::{Camera, RenderTarget},
-            render_resource::{
+            render_resource::{TextureDescriptor, TextureDimension, TextureFormat, TextureUsages},
-                Extent3d,
-                TextureDescriptor,
-                TextureDimension,
-                TextureFormat,
-                TextureUsages,
-            },
             texture::{Image, ImageSettings},
         },
         sprite::{Sprite, SpriteBundle},
@@ -54,7 +50,15 @@ use {
         EguiContext,
     },
     components::panning::Pan2d,
-    gui::{render_windows, widget, widgets::ToolbarWidget, window::open_window, windows::TileInfo},
+    gui::{
+        render_windows,
+        update_textures,
+        widget,
+        widgets::ToolbarWidget,
+        window::open_window,
+        windows::TileInfo,
+    },
+    planet::WorldRenderSettings,
     resources::{CursorMapPosition, OpenedWindows},
 };
 
@@ -93,9 +97,10 @@ fn update_cursor_map_position(
 #[cfg(feature = "render")]
 fn generate_graphics(
     mut commands: Commands<'_, '_>,
-    mut world_manager: ResMut<'_, WorldManager>,
+    world_manager: ResMut<'_, WorldManager>,
     mut images: ResMut<'_, Assets<Image>>,
     mut egui_context: ResMut<'_, EguiContext>,
+    mut render_settings: ResMut<'_, WorldRenderSettings>,
 ) {
     // Add Julia-Mono font to egui
     {
@@ -127,14 +132,10 @@ fn generate_graphics(
     // Set up 2D map mode
     {
         let map_image_handle = images.add(Image {
-            data: world_manager.map_color_bytes(),
+            data: vec![],
             texture_descriptor: TextureDescriptor {
                 label:           None,
-                size:            Extent3d {
+                size:            default(),
-                    width: world.width,
-                    height: world.height,
-                    ..default()
-                },
                 dimension:       TextureDimension::D2,
                 format:          TextureFormat::Rgba32Float,
                 mip_level_count: 1,
@@ -143,14 +144,14 @@ fn generate_graphics(
             },
             ..default()
         });
-        world_manager.render_settings.map_image_handle_id = Some(map_image_handle.id);
+        render_settings.map_image_handle_id = Some(map_image_handle.id);
         _ = commands
             .spawn_bundle(Camera2dBundle::default())
             .insert(Pan2d::new());
 
         // TODO: Switch to egui
         _ = commands.spawn_bundle(SpriteBundle {
-            texture: images.get_handle(world_manager.render_settings.map_image_handle_id.unwrap()),
+            texture: images.get_handle(map_image_handle.id),
             sprite: Sprite {
                 custom_size: Some(custom_sprite_size),
                 ..default()
@@ -159,6 +160,7 @@ fn generate_graphics(
         });
     }
 
+    update_textures(&world_manager, &render_settings, &mut images);
 }
 
 #[cfg(feature = "render")]
@@ -222,6 +224,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
             })
             .insert_resource(CursorMapPosition::default())
             .insert_resource(OpenedWindows::default())
+            .insert_resource(WorldRenderSettings::default())
             .add_startup_system(generate_graphics)
             .add_system(update_gui.exclusive_system())
             .add_system(update_cursor_map_position)