From aa9c1a4829af92ed71118b99381462138816ff2e Mon Sep 17 00:00:00 2001
From: Ryan Yin <xiaoyin_c@qq.com>
Date: Wed, 18 Sep 2024 20:25:35 +0800
Subject: [PATCH] feat: add templates for bevy

---
 templates/bevy/Justfile  | 17 +++++++++++++
 templates/bevy/flake.nix | 54 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 71 insertions(+)
 create mode 100644 templates/bevy/Justfile
 create mode 100644 templates/bevy/flake.nix

diff --git a/templates/bevy/Justfile b/templates/bevy/Justfile
new file mode 100644
index 00000000..683716f6
--- /dev/null
+++ b/templates/bevy/Justfile
@@ -0,0 +1,17 @@
+default:
+  @just --list
+
+# Auto-format the source tree
+fmt:
+  treefmt
+
+# Run 'cargo run' on the project
+drun *ARGS:
+  nix develop --command cargo run {{ARGS}}
+
+dbuild:
+  nix develop --command cargo build
+
+# Run 'cargo watch' to run the project (auto-recompiles)
+watch *ARGS:
+  cargo watch -x "run -- {{ARGS}}"
diff --git a/templates/bevy/flake.nix b/templates/bevy/flake.nix
new file mode 100644
index 00000000..559d1097
--- /dev/null
+++ b/templates/bevy/flake.nix
@@ -0,0 +1,54 @@
+# https://github.com/bevyengine/bevy/blob/v0.14.2/docs/linux_dependencies.md#nix
+{
+  description = "Bevy Game Engine - Rust Lang";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    rust-overlay = {
+      url = "github:oxalica/rust-overlay";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = {
+    nixpkgs,
+    rust-overlay,
+    ...
+  }: let
+    systems = [
+      "x86_64-linux"
+      "aarch64-linux"
+    ];
+    # Helper function to generate a set of attributes for each system
+    forAllSystems = func: (nixpkgs.lib.genAttrs systems func);
+  in {
+    devShells = forAllSystems (system: let
+      pkgs = import nixpkgs {
+        inherit system;
+        overlays = [(import rust-overlay)];
+      };
+      lib = pkgs.lib;
+    in {
+      default = pkgs.mkShell rec {
+        nativeBuildInputs = with pkgs; [
+          pkg-config
+        ];
+        buildInputs = with pkgs; [
+          udev
+          alsa-lib
+          vulkan-loader
+          xorg.libX11
+          xorg.libXcursor
+          xorg.libXi
+          xorg.libXrandr # To use the x11 feature
+          libxkbcommon
+          wayland # To use the wayland feature
+
+          # rust toolchain
+          rust-analyzer
+        ];
+        LD_LIBRARY_PATH = lib.makeLibraryPath buildInputs;
+      };
+    });
+  };
+}