Nix

flake.nix

@@ -0,0 +1,26 @@
+{
+  inputs = {
+    self.submodules = true;
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+  };
+
+  outputs = { nixpkgs, self, ... }: let
+    mkPkgs = system: import nixpkgs {
+      inherit system;
+      overlays = [ self.overlays.game3 ];
+    };
+  in {
+    overlays = rec {
+      default = game3;
+      game3 = final: prev: {
+        fastnoise2 = final.callPackage ./nix/fastnoise.nix { };
+        game3 = final.callPackage ./nix/game3.nix { };
+      };
+    };
+
+    packages.x86_64-linux = rec {
+      default = game3;
+      inherit (mkPkgs "x86_64-linux") fastnoise2 game3;
+    };
+  };
+}

nix/fastnoise.nix

@@ -0,0 +1,49 @@
+{
+  stdenv,
+  fetchFromGitHub,
+  cmake,
+  lib,
+}:
+
+# let
+#   fastsimd = fetchFromGitHub {
+#     owner = "Auburn";
+#     repo = "FastSIMD";
+#     rev = "16450dae9528727e500e7254f635a671f9c7ee2d";
+#     hash = "sha256-86JqDMXbeK7Q0PgeFhKa7h2Jpl7Sa5tZNfyInhXF8tU=";
+#   };
+# in
+
+stdenv.mkDerivation (finalAttrs: {
+  pname = "fastnoise2";
+  # version = "1.1.1";
+  version = "0-unstable-2024-09-27";
+
+  src = fetchFromGitHub {
+    owner = "Auburn";
+    repo = "FastNoise2";
+    # tag = "v${finalAttrs.version}";
+    # hash = "sha256-bmJ2iTmAAEYSZgsyLU8ZJsRnM2LH/4a2ITKGFJEDdvY=";
+    rev = "9937723493bb6fd1b8f1491bf9ce251a8867226b";
+    hash = "sha256-1JchJhg1Xn95mU5uMY1zv8kBNAlLOV9K+BrbFleZ46U=";
+  };
+
+  # postPatch = ''
+  #   sed -i '/CPMAddPackage/,+4d' src/CMakeLists.txt
+  #   sed -i '1i add_subdirectory(${fastsimd} fastsimd)' src/CMakeLists.txt
+  # '';
+
+  nativeBuildInputs = [
+    cmake
+  ];
+
+  cmakeFlags = [
+    # (lib.cmakeBool "FASTNOISE2_TOOLS" false)
+    (lib.cmakeBool "FASTNOISE2_NOISETOOL" false)
+  ];
+
+  meta = {
+    description = "Modular node graph based noise generation library using SIMD, C++17 and templates";
+    license = lib.licenses.mit;
+  };
+})

nix/game3.nix

@@ -0,0 +1,81 @@
+{
+  stdenv,
+  meson,
+  ninja,
+  cmake,
+  pkg-config,
+  flex,
+  bison,
+  opusfile,
+  libvorbis,
+  libxcb,
+  libpng,
+  curl,
+  glibmm_2_68,
+  freetype,
+  libGL,
+  libGLU,
+  glfw3,
+  asio,
+  lz4,
+  boost,
+  libsigcxx30,
+  leveldb,
+  fastnoise2,
+  glm,
+  libbfd,
+  libx11,
+  libnoise,
+  lib,
+}:
+
+stdenv.mkDerivation {
+  pname = "game3";
+  version = "1.0.0";
+
+  src = ../.;
+
+  postPatch = ''
+    substituteInPlace src/meson.build \
+      --replace-fail '-lnoise' '-lnoise-static'
+  '';
+
+  nativeBuildInputs = [
+    meson
+    ninja
+    cmake
+    pkg-config
+    flex
+    bison
+  ];
+
+  buildInputs = [
+    opusfile
+    libvorbis
+    libxcb
+    libpng
+    curl
+    glibmm_2_68
+    freetype
+    libGL
+    libGLU
+    glfw3
+    asio
+    lz4
+    boost
+    libsigcxx30
+    leveldb
+    fastnoise2
+    libbfd
+    libx11
+    libnoise
+    glm
+  ];
+
+  meta = {
+    description = "the third game";
+    mainProgram = "game3";
+    license = lib.licenses.agpl3Plus;
+    platforms = lib.platforms.linux;
+  };
+}