Add egui as a UI system

Cargo.lock

@@ -200,6 +200,25 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "arboard"
+version = "3.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac57f2b058a76363e357c056e4f74f1945bf734d37b8b3ef49066c4787dde0fc"
+dependencies = [
+ "clipboard-win",
+ "core-graphics",
+ "image",
+ "log",
+ "objc",
+ "objc-foundation",
+ "objc_id",
+ "parking_lot",
+ "thiserror",
+ "winapi",
+ "x11rb",
+]
+
 [[package]]
 name = "arrayvec"
 version = "0.7.4"
@@ -498,6 +517,19 @@ dependencies = [
  "syn 2.0.37",
 ]
 
+[[package]]
+name = "bevy_egui"
+version = "0.22.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fb1c1f6ad293c60fd8559c4502cda5e832e92b0e0f3d994929b33f24d4352d70"
+dependencies = [
+ "arboard",
+ "bevy",
+ "egui",
+ "thread_local",
+ "webbrowser",
+]
+
 [[package]]
 name = "bevy_encase_derive"
 version = "0.11.3"
@@ -1186,6 +1218,17 @@ dependencies = [
  "libloading 0.7.4",
 ]
 
+[[package]]
+name = "clipboard-win"
+version = "4.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7191c27c2357d9b7ef96baac1773290d4ca63b24205b82a3fd8a0637afcf0362"
+dependencies = [
+ "error-code",
+ "str-buf",
+ "winapi",
+]
+
 [[package]]
 name = "codespan-reporting"
 version = "0.11.1"
@@ -1412,6 +1455,35 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ea835d29036a4087793836fa931b08837ad5e957da9e23886b29586fb9b6650"
 
+[[package]]
+name = "ecolor"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cfdf4e52dbbb615cfd30cf5a5265335c217b5fd8d669593cea74a517d9c605af"
+dependencies = [
+ "bytemuck",
+]
+
+[[package]]
+name = "egui"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8bd69fed5fcf4fbb8225b24e80ea6193b61e17a625db105ef0c4d71dde6eb8b7"
+dependencies = [
+ "ahash 0.8.3",
+ "epaint",
+ "nohash-hasher",
+]
+
+[[package]]
+name = "emath"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1ef2b29de53074e575c18b694167ccbe6e5191f7b25fe65175a0d905a32eeec0"
+dependencies = [
+ "bytemuck",
+]
+
 [[package]]
 name = "encase"
 version = "0.6.1"
@@ -1444,6 +1516,21 @@ dependencies = [
  "syn 2.0.37",
 ]
 
+[[package]]
+name = "epaint"
+version = "0.23.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "58067b840d009143934d91d8dcb8ded054d8301d7c11a517ace0a99bb1e1595e"
+dependencies = [
+ "ab_glyph",
+ "ahash 0.8.3",
+ "bytemuck",
+ "ecolor",
+ "emath",
+ "nohash-hasher",
+ "parking_lot",
+]
+
 [[package]]
 name = "equivalent"
 version = "1.0.1"
@@ -1459,6 +1546,16 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "error-code"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "64f18991e7bf11e7ffee451b5318b5c1a73c52d0d0ada6e5a3017c8c1ced6a21"
+dependencies = [
+ "libc",
+ "str-buf",
+]
+
 [[package]]
 name = "euclid"
 version = "0.22.9"
@@ -1541,6 +1638,15 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 
+[[package]]
+name = "form_urlencoded"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a62bc1cf6f830c2ec14a513a9fb124d0a213a629668a4186f329db21fe045652"
+dependencies = [
+ "percent-encoding",
+]
+
 [[package]]
 name = "fsevent-sys"
 version = "4.1.0"
@@ -1577,6 +1683,16 @@ dependencies = [
  "waker-fn",
 ]
 
+[[package]]
+name = "gethostname"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c1ebd34e35c46e00bb73e81363248d627782724609fe1b6396f553f68fe3862e"
+dependencies = [
+ "libc",
+ "winapi",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.10"
@@ -1822,6 +1938,25 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dfa686283ad6dd069f105e5ab091b04c62850d3e4cf5d67debad1933f55023df"
 
+[[package]]
+name = "home"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5444c27eef6923071f7ebcc33e3444508466a76f7a2b93da00ed6e19f30c1ddb"
+dependencies = [
+ "windows-sys 0.48.0",
+]
+
+[[package]]
+name = "idna"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d20d6b07bfbc108882d88ed8e37d39636dcc260e15e30c45e6ba089610b917c"
+dependencies = [
+ "unicode-bidi",
+ "unicode-normalization",
+]
+
 [[package]]
 name = "image"
 version = "0.24.7"
@@ -1834,6 +1969,7 @@ dependencies = [
  "num-rational",
  "num-traits",
  "png",
+ "tiff",
 ]
 
 [[package]]
@@ -1938,6 +2074,22 @@ dependencies = [
  "walkdir",
 ]
 
+[[package]]
+name = "jni"
+version = "0.21.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a87aa2bb7d2af34197c04845522473242e1aa17c12f4935d5856491a7fb8c97"
+dependencies = [
+ "cesu8",
+ "cfg-if",
+ "combine",
+ "jni-sys",
+ "log",
+ "thiserror",
+ "walkdir",
+ "windows-sys 0.45.0",
+]
+
 [[package]]
 name = "jni-sys"
 version = "0.3.0"
@@ -1953,6 +2105,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "jpeg-decoder"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bc0000e42512c92e31c2252315bda326620a4e034105e900c98ec492fa077b3e"
+
 [[package]]
 name = "js-sys"
 version = "0.3.64"
@@ -2110,6 +2268,15 @@ version = "2.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f232d6ef707e1956a43342693d2a31e72989554d58299d7a88738cc95b0d35c"
 
+[[package]]
+name = "memoffset"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "metal"
 version = "0.24.0"
@@ -2129,6 +2296,7 @@ name = "minibaldur"
 version = "0.1.0"
 dependencies = [
  "bevy",
+ "bevy_egui",
  "rand",
 ]
 
@@ -2239,6 +2407,7 @@ dependencies = [
  "bitflags 1.3.2",
  "cfg-if",
  "libc",
+ "memoffset",
 ]
 
 [[package]]
@@ -2252,6 +2421,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "nohash-hasher"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2bf50223579dc7cdcfb3bfcacf7069ff68243f8c363f62ffa99cf000a6b9c451"
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -2393,6 +2568,17 @@ dependencies = [
  "objc_exception",
 ]
 
+[[package]]
+name = "objc-foundation"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1add1b659e36c9607c7aab864a76c7a4c2760cd0cd2e120f3fb8b952c7e22bf9"
+dependencies = [
+ "block",
+ "objc",
+ "objc_id",
+]
+
 [[package]]
 name = "objc-sys"
 version = "0.2.0-beta.2"
@@ -2428,6 +2614,15 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "objc_id"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c92d4ddb4bd7b50d730c215ff871754d0da6b2178849f8a2a2ab69712d0c073b"
+dependencies = [
+ "objc",
+]
+
 [[package]]
 name = "object"
 version = "0.32.1"
@@ -2913,6 +3108,12 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
+[[package]]
+name = "str-buf"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e08d8363704e6c71fc928674353e6b7c23dcea9d82d7012c8faf2a3a025f8d0"
+
 [[package]]
 name = "svg_fmt"
 version = "0.4.1"
@@ -3026,6 +3227,17 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "tiff"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d172b0f4d3fba17ba89811858b9d3d97f928aece846475bbda076ca46736211"
+dependencies = [
+ "flate2",
+ "jpeg-decoder",
+ "weezl",
+]
+
 [[package]]
 name = "tinyvec"
 version = "1.6.0"
@@ -3147,12 +3359,27 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "unicode-bidi"
+version = "0.3.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "92888ba5573ff080736b3648696b70cafad7d250551175acbaa4e0385b3e1460"
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
 
+[[package]]
+name = "unicode-normalization"
+version = "0.1.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
+dependencies = [
+ "tinyvec",
+]
+
 [[package]]
 name = "unicode-width"
 version = "0.1.11"
@@ -3165,6 +3392,17 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"
 
+[[package]]
+name = "url"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "143b538f18257fac9cad154828a57c6bf5157e1aa604d4816b5995bf6de87ae5"
+dependencies = [
+ "form_urlencoded",
+ "idna",
+ "percent-encoding",
+]
+
 [[package]]
 name = "uuid"
 version = "1.4.1"
@@ -3302,6 +3540,29 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "webbrowser"
+version = "0.8.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82b2391658b02c27719fc5a0a73d6e696285138e8b12fba9d4baa70451023c71"
+dependencies = [
+ "core-foundation",
+ "home",
+ "jni 0.21.1",
+ "log",
+ "ndk-context",
+ "objc",
+ "raw-window-handle",
+ "url",
+ "web-sys",
+]
+
+[[package]]
+name = "weezl"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9193164d4de03a926d909d3bc7c30543cecb35400c02114792c2cae20d5e2dbb"
+
 [[package]]
 name = "wgpu"
 version = "0.16.3"
@@ -3433,6 +3694,15 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "winapi-wsapoll"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44c17110f57155602a80dca10be03852116403c9ff3cd25b079d666f2aa3df6e"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
@@ -3691,6 +3961,28 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "x11rb"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "592b4883219f345e712b3209c62654ebda0bb50887f330cbd018d0f654bfd507"
+dependencies = [
+ "gethostname",
+ "nix 0.24.3",
+ "winapi",
+ "winapi-wsapoll",
+ "x11rb-protocol",
+]
+
+[[package]]
+name = "x11rb-protocol"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56b245751c0ac9db0e006dc812031482784e434630205a93c73cfefcaabeac67"
+dependencies = [
+ "nix 0.24.3",
+]
+
 [[package]]
 name = "xi-unicode"
 version = "0.3.0"

Cargo.toml

@@ -8,3 +8,4 @@ edition = "2021"
 [dependencies]
 bevy = { version = "0.11.3", features = ["dynamic_linking"] }
 rand = "0.8.5"
+bevy_egui = "0.22.0"

src/components.rs

@@ -12,6 +12,11 @@ pub struct Armor {
     pub ac: u32,
 }
 
+#[derive(Component)]
+pub struct Named {
+    pub name: String,
+}
+
 #[derive(Bundle)]
 pub struct Creature {
     pub health: Health,
@@ -20,7 +25,9 @@ pub struct Creature {
 }
 
 #[derive(Component)]
-pub struct PlayerCharacter;
+pub struct PlayerCharacter {
+    pub name: String,
+}
 
 #[derive(Component)]
 pub struct Battle(pub HashMap<u32, Entity>);

src/main.rs

@@ -1,4 +1,5 @@
 use bevy::prelude::*;
+use bevy_egui::{egui, EguiContexts, EguiPlugin};
 
 pub mod util;
 pub mod components;
@@ -10,16 +11,18 @@ use util::roll;
 fn main() {
     App::new()
         .add_plugins(DefaultPlugins)
+        .add_plugins(EguiPlugin)
         .add_systems(Startup, setup)
+        .add_systems(Update, gui)
         .run();
 }
 
-
 fn setup(
     mut commands: Commands,
     mut meshes: ResMut<Assets<Mesh>>,
     mut materials: ResMut<Assets<StandardMaterial>>,
 ) {
+    let names = ["Dane", "Cole"];
     for i in 0..2 {
         let (hp, _) = roll("1d6 + 3");
         commands.spawn(Creature {
@@ -35,7 +38,9 @@ fn setup(
                 ..default()
             },
         })
-            .insert(PlayerCharacter)
+            .insert(PlayerCharacter {
+                name: names[i].to_string(),
+            })
             .with_children(|parent| {
                 parent.spawn(PbrBundle {
                     mesh: meshes.add(shape::Capsule::default().into()),
@@ -47,10 +52,27 @@ fn setup(
 
     commands.spawn(DirectionalLightBundle {
         transform: Transform::default().looking_at(Vec3::new(3.0, -50.0, 1.0), Vec3::Y),
-        ..default()
+        ..default::<_>()
     });
     commands.spawn(Camera3dBundle {
         transform: Transform::from_xyz(1.0, 15.0, 2.0).looking_at(Vec3::ZERO, Vec3::Y),
         ..default()
     });
 }
+
+fn gui(
+    query: Query<(&Health, &PlayerCharacter)>,
+    mut contexts: EguiContexts
+) {
+    let ctx = contexts.ctx_mut();
+    egui::Window::new("Battle Menu")
+        .title_bar(false)
+        .collapsible(false)
+        .resizable(false)
+        .movable(false)
+        .show(ctx, |ui| {
+            for (health, pc) in query.iter() {
+                ui.label(format!("{} HP: {}", pc.name, health.hp));
+            }
+        });
+}

src/systems.rs

@@ -4,7 +4,10 @@ use bevy::prelude::*;
 use crate::components::*;
 use crate::util::roll;
 
-pub fn initiate_battle(query: Query<Entity, With<PlayerCharacter>>, mut commands: Commands) {
+pub fn initiate_battle(
+    query: Query<Entity, With<PlayerCharacter>>,
+    mut commands: Commands
+) {
     let order: HashMap<u32, Entity> = query.iter().map(|ent| {
         let (total, _rolls) = roll("1d20");
         (total, ent)
@@ -12,4 +15,3 @@ pub fn initiate_battle(query: Query<Entity, With<PlayerCharacter>>, mut commands
 
     commands.spawn(Battle(order));
 }
-