chore: initial commit

flake.nix

@@ -0,0 +1,80 @@
+{
+  description = "Survivor Slop game";
+
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+
+  outputs =
+    { self, nixpkgs }:
+    let
+      allSystems = [
+        "x86_64-linux"
+        "aarch64-linux"
+        "x86_64-darwin"
+        "aarch64-darwin"
+      ];
+      forAllSystems =
+        f:
+        nixpkgs.lib.genAttrs allSystems (
+          system:
+          f {
+            pkgs = import nixpkgs {
+              inherit system;
+              config.allowUnfree = true;
+            };
+          }
+        );
+    in
+    {
+      devShells = forAllSystems (
+        { pkgs }:
+        {
+          default = pkgs.mkShell {
+            packages = with pkgs; [
+              godot
+              krita
+              gimp
+              pixelorama
+              aseprite
+            ];
+          };
+        }
+      );
+
+      packages = forAllSystems (
+        { pkgs }:
+        {
+          slopvivors = pkgs.stdenv.mkDerivation {
+            pname = "slopvivors";
+            version = "0.1.0";
+            src = ./.;
+
+            strictDeps = true;
+
+            nativeBuildInputs = with pkgs; [
+              godot
+            ];
+
+            buildPhase = ''
+              runHook preBuild
+
+              export HOME=$(mktemp -d)
+              mkdir -p $HOME/.local/share/godot/
+              ln -s ${pkgs.godot.export-template}/share/godot/export_templates "$HOME/.local/share/godot/"
+              mkdir -p build
+
+              godot --headless --export-release Linux ./build/slopvivors
+
+              runHook postBuild
+            '';
+            installPhase = ''
+              find .
+              install -D -m 755 -t $out/libexec ./build/slopvivors
+              install -D -m 644 -t $out/libexec ./build/slopvivors.pck
+              install -d -m 755 $out/bin
+              ln -s $out/libexec/utdg $out/bin/slopvivors
+            '';
+          };
+        }
+      );
+    };
+}