{
    description = "Build Project X-001";

    inputs = {
        nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
        imgui = {
            url = "github:ocornut/imgui?ref=docking";
            flake = false;
        };
    };

    outputs = { self, nixpkgs, imgui }@inputs: let
            system = "x86_64-linux";
            pkgs = import nixpkgs { inherit system; };
    in {

        packages.${system}.default = pkgs.stdenv.mkDerivation {

            name = "Engine";

            src = ./src;

            imgui = inputs.imgui;

            buildInputs = with pkgs; [
                vulkan-headers
                vulkan-loader
            ];

            buildPhase = ''
                g++ *.cpp -o $name 
            ''; 

            installPhase = ''
                mkdir -p $out/bin
                cp *.spv $out/bin
                cp $name $out/bin
            '';

        };

        shaders = pkgs.stdenv.mkDerivation {

            name = "Engine";

            src = ./modules/shaders;

            buildInputs = with pkgs; [
                shaderc
            ];

            buildPhase = ''
                glslc *.vert -o vert.spv
                glslc *.frag -o frag.spv
            '';

            installPhase = ''
                mkdir -p $out/bin
                cp *.spv $out/bin
            '';

        };
    };
}