Initial commit

.cargo/config.toml

@@ -0,0 +1,4 @@
+[target.x86_64-unknown-linux-gnu]
+linker = "clang"
+rustflags = ["-C", "link-arg=-fuse-ld=/nix/store/n6fa181ai5hxjd8dpa2qqhd4lql3475x-mold-2.4.0/bin/mold"]
+

.gitignore

@@ -1,2 +1,9 @@
 /target
 /.direnv
+
+
+# Added by cargo
+#
+# already existing elements were commented out
+
+#/target

Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "kodotag-rs"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+# TODO(dmf): @release remove `dynamic_linking`
+bevy = { version = "0.12.1", features = ["wayland", "file_watcher", "async-io", "serialize", "trace", "dynamic_linking"] }
+
+[profile.dev]
+opt-level = 1
+
+[profile.dev.package."*"]
+opt-level = 3
+

flake.nix

@@ -4,29 +4,41 @@
     self,
     nixpkgs,
   }: let
+    inherit (self) outputs;
     supportedSystems = ["x86_64-linux"];
-    forEachSupportedSystem = f:
-      nixpkgs.lib.genAttrs supportedSystems (system:
-        f {
-          inherit system;
-          pkgs = import nixpkgs {inherit system;};
-        });
+    forEachSupportedSystem = nixpkgs.lib.genAttrs supportedSystems;
   in {
-    devShells = forEachSupportedSystem ({
-      pkgs,
-      system,
-    }: {
-      rust-development = pkgs.mkShell {
+    devShells = forEachSupportedSystem (system: let
+      pkgs = import nixpkgs {inherit system;};
+    in {
+      # TODO: packages
+      # TODO: checks
+      rust-dev = pkgs.mkShell rec {
+        nativeBuildInputs = with pkgs; [pkg-config];
         buildInputs = with pkgs; [
+          clang
           cargo
           rustc
           rustfmt
           rustPackages.clippy
           rust-analyzer
+          mold
+
+          # source: https://github.com/bevyengine/bevy/blob/main/docs/linux_dependencies.md#nix
+          udev
+          alsa-lib
+          vulkan-loader
+          xorg.libX11
+          xorg.libXcursor
+          xorg.libXi
+          xorg.libXrandr
+          libxkbcommon
+          wayland
         ];
+        LD_LIBRARY_PATH = pkgs.lib.makeLibraryPath buildInputs;
       };
 
-      default = forEachSupportedSystem ({system, ...}: self.outputs.${system}.rust-development);
+      default = outputs.devShells.${system}.rust-dev;
     });
   };
 }

src/main.rs

@@ -0,0 +1,51 @@
+use bevy::prelude::*;
+
+#[derive(Component)]
+struct Person;
+
+#[derive(Component)]
+struct Name(String);
+
+#[derive(Component)]
+struct Position {
+    x: f32,
+    y: f32,
+}
+
+#[derive(Resource)]
+struct GreetTimer(Timer);
+
+struct Entity(u64);
+
+pub struct HelloPlugin;
+
+impl Plugin for HelloPlugin {
+    fn build(&self, app: &mut App) {
+        // add things to your app here
+    }
+}
+
+fn add_people(mut commands: Commands) {
+    commands.spawn((Person, Name("Elaina Proctor".to_string())));
+    commands.spawn((Person, Name("Renzo Hume".to_string())));
+    commands.spawn((Person, Name("Zayna Nieves".to_string())));
+}
+fn main() {
+    let mut app = App::new();
+    app.add_plugins((DefaultPlugins, HelloPlugin))
+        .add_systems(Startup, add_people)
+        .add_systems(Update, greet_people)
+        .insert_resource(GreetTimer(Timer::from_seconds(0.2, TimerMode::Repeating)));
+
+    app.run()
+}
+
+fn greet_people(time: Res<Time>, mut timer: ResMut<GreetTimer>, query: Query<&Name, With<Person>>) {
+    // update our timer with the time elapsed since the last update
+    // if that caused the timer to finish, we say hello to everyone
+    if timer.0.tick(time.delta()).just_finished() {
+        for name in &query {
+            println!("hello {}!", name.0);
+        }
+    }
+}